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Cheap flights from Seattle to Knoxville (SEA - TYS) from $149

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — TYS
jun. 2 — jun. 91
From?
To?
dom. 6/2
dom. 6/9
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Knoxville McGhee Tyson are usually found in September or October, booked 18 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Seattle to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated mayo 28, 2024.

Popular in

November

Cheapest in

September

Round-trip from

$302

One-way from

$219
High demand for flights, 23% potential price rise
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Best time to find cheap flights, 15% potential price drop
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From Seattle/Tacoma Intl to Knoxville McGhee Tyson
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One-way flight from Seattle/Tacoma Intl to Knoxville McGhee Tyson
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What is the cheapest day to fly round-trip from Seattle to Knoxville?

Flights from Seattle to Knoxville are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Knoxville.

How far in advance should I book a flight from Seattle to Knoxville?

Find a great deal and save up to 284% by booking at least 19 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Seattle to Knoxville within the next two weeks, with the cheapest ticket starting at $728.

What is the cheapest month to fly from Seattle to Knoxville?

Our data shows that September tends to be the cheapest month to fly to Knoxville from Seattle. Users have commonly found prices around $662 for the month, but tickets can be as low as $201. Due to multiple factors, prepare for potentially higher prices in November.

When is the cheapest time to fly from Seattle to Knoxville (SEA - TYS)?

It’s optimal to fly from Seattle to Knoxville in the afternoon. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the morning.

Cheap Frontier flights from Seattle to Knoxville

Explore cheap flight options specifically provided by Frontier for the route between Seattle and Knoxville. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated mayo 28, 2024.
Take a look at some of the lowest-priced Frontier flights heading from Seattle to Knoxville. Come back soon if you're not finding the exact deal you're looking for.
lun. 6/107:56 amSEA - TYS
1 stop10h 43mFrontier
sáb. 6/155:51 pmTYS - SEA
1 stop18h 19mFrontier
Deal found 5/28$253
lun. 6/107:56 amSEA - TYS
1 stop10h 43mFrontier
sáb. 6/155:51 pmTYS - SEA
1 stop18h 19mFrontier
Deal found 5/28$269
vie. 6/78:04 amSEA - TYS
1 stop10h 26mFrontier
lun. 6/1010:41 pmTYS - SEA
1 stop12h 58mFrontier
Deal found 5/27$286
vie. 6/78:04 amSEA - TYS
1 stop10h 26mFrontier
sáb. 6/85:51 pmTYS - SEA
1 stop18h 19mFrontier
Deal found 5/27$301
vie. 6/78:04 amSEA - TYS
1 stop10h 26mFrontier
lun. 6/1010:41 pmTYS - SEA
1 stop12h 58mFrontier
Deal found 5/28$308
lun. 6/247:56 amSEA - TYS
1 stop10h 43mFrontier
lun. 7/110:41 pmTYS - SEA
1 stop12h 58mFrontier
Deal found 5/27$310
lun. 6/177:56 amSEA - TYS
1 stop10h 43mFrontier
lun. 6/2410:41 pmTYS - SEA
1 stop12h 58mFrontier
Deal found 5/27$312
vie. 6/78:04 amSEA - TYS
1 stop10h 26mFrontier
mié. 6/127:47 pmTYS - SEA
1 stop17h 39mFrontier
Deal found 5/27$316
jue. 7/47:49 pmSEA - TYS
1 stop22h 47mFrontier
mié. 7/107:48 pmTYS - SEA
1 stop17h 36mFrontier
Deal found 5/28$334

Cheap American Airlines flights from Seattle to Knoxville

Explore cheap flight options specifically provided by American Airlines for the route between Seattle and Knoxville. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated mayo 28, 2024.
Take a gander at the lowest prices we've found on American Airlines flights from Seattle to Knoxville. Make sure to examine the flight information before completing your reservation.
mié. 8/76:00 amSEA - TYS
1 stop12h 07mAmerican Airlines
jue. 8/1511:40 amTYS - SEA
1 stop13h 16mAmerican Airlines
Deal found 5/27$407
lun. 6/245:10 amSEA - TYS
1 stop12h 55mAmerican Airlines
mar. 7/211:42 amTYS - SEA
1 stop11h 06mAmerican Airlines
Deal found 5/27$422
vie. 6/145:10 amSEA - TYS
1 stop12h 55mAmerican Airlines
dom. 6/1611:42 amTYS - SEA
1 stop13h 15mAmerican Airlines
Deal found 5/28$485
mar. 6/255:10 amSEA - TYS
1 stop12h 55mAmerican Airlines
mar. 7/211:42 amTYS - SEA
1 stop13h 15mAmerican Airlines
Deal found 5/28$502
vie. 6/75:10 amSEA - TYS
1 stop12h 55mAmerican Airlines
mar. 6/1111:42 amTYS - SEA
1 stop13h 15mAmerican Airlines
Deal found 5/27$507
dom. 6/910:52 pmSEA - TYS
1 stop14h 18mAmerican Airlines
dom. 6/1611:42 amTYS - SEA
1 stop11h 06mAmerican Airlines
Deal found 5/28$536
mar. 7/1610:52 pmSEA - TYS
1 stop21h 09mAmerican Airlines
jue. 7/2511:43 amTYS - SEA
1 stop13h 15mAmerican Airlines
Deal found 5/26$587
mié. 7/179:47 pmSEA - TYS
1 stop9h 45mAmerican Airlines
sáb. 7/205:10 amTYS - SEA
1 stop10h 05mAmerican Airlines
Deal found 5/27$605
mar. 7/161:14 amSEA - TYS
1 stop9h 11mAmerican Airlines
dom. 7/216:02 pmTYS - SEA
1 stop7h 55mAmerican Airlines
Deal found 5/27$607

Cheap Seattle to Knoxville flights in May & June 2024

Find cheap flight options from Seattle to Knoxville specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Prices were last updated on mayo 28, 2024.
Scroll through some of the best deals on flights from Seattle to Knoxville in 2024. Check back in a little while for more flight options.
lun. 6/107:56 amSEA - TYS
1 stop10h 43mFrontier
sáb. 6/155:51 pmTYS - SEA
1 stop18h 19mFrontier
Deal found 5/28$253
lun. 6/107:56 amSEA - TYS
1 stop10h 43mFrontier
sáb. 6/155:51 pmTYS - SEA
1 stop18h 19mFrontier
Deal found 5/28$274
vie. 6/78:04 amSEA - TYS
1 stop10h 26mFrontier
lun. 6/1010:41 pmTYS - SEA
1 stop12h 58mFrontier
Deal found 5/27$286
vie. 6/78:04 amSEA - TYS
1 stop10h 26mFrontier
sáb. 6/85:51 pmTYS - SEA
1 stop18h 19mFrontier
Deal found 5/27$301
vie. 6/78:04 amSEA - TYS
1 stop10h 26mFrontier
lun. 6/1010:41 pmTYS - SEA
1 stop12h 58mFrontier
Deal found 5/28$308
lun. 6/247:56 amSEA - TYS
1 stop10h 43mFrontier
lun. 7/110:41 pmTYS - SEA
1 stop12h 58mFrontier
Deal found 5/27$310
lun. 6/177:56 amSEA - TYS
1 stop10h 43mFrontier
lun. 6/2410:41 pmTYS - SEA
1 stop12h 58mFrontier
Deal found 5/27$312
vie. 6/78:04 amSEA - TYS
1 stop10h 26mFrontier
mié. 6/127:47 pmTYS - SEA
1 stop17h 39mFrontier
Deal found 5/27$316
lun. 6/179:28 amSEA - TYS
2 stops28h 54mMultiple Airlines
lun. 6/246:00 amTYS - SEA
1 stop13h 28mMultiple Airlines
Deal found 5/27$362

Seattle to Knoxville 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Knoxville in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated mayo 28, 2024.
Scroll through some of the best deals on flights from Seattle to Knoxville in 2024. Check back in a little while for more flight options.
lun. 6/107:56 amSEA - TYS
1 stop10h 43mFrontier
sáb. 6/155:51 pmTYS - SEA
1 stop18h 19mFrontier
Deal found 5/28$253
lun. 6/107:56 amSEA - TYS
1 stop10h 43mFrontier
sáb. 6/155:51 pmTYS - SEA
1 stop18h 19mFrontier
Deal found 5/28$269
vie. 6/78:04 amSEA - TYS
1 stop10h 26mFrontier
lun. 6/1010:41 pmTYS - SEA
1 stop12h 58mFrontier
Deal found 5/27$286
vie. 6/78:04 amSEA - TYS
1 stop10h 26mFrontier
sáb. 6/85:51 pmTYS - SEA
1 stop18h 19mFrontier
Deal found 5/27$301
vie. 6/78:04 amSEA - TYS
1 stop10h 26mFrontier
lun. 6/1010:41 pmTYS - SEA
1 stop12h 58mFrontier
Deal found 5/28$308
lun. 6/247:56 amSEA - TYS
1 stop10h 43mFrontier
lun. 7/110:41 pmTYS - SEA
1 stop12h 58mFrontier
Deal found 5/27$310
lun. 6/177:56 amSEA - TYS
1 stop10h 43mFrontier
lun. 6/2410:41 pmTYS - SEA
1 stop12h 58mFrontier
Deal found 5/27$312
vie. 6/78:04 amSEA - TYS
1 stop10h 26mFrontier
mié. 6/127:47 pmTYS - SEA
1 stop17h 39mFrontier
Deal found 5/27$316
vie. 9/1310:08 pmSEA - TYS
1 stop15h 42mFrontier
lun. 9/166:17 pmTYS - SEA
1 stop17h 20mFrontier
Deal found 5/27$327

Seattle to Knoxville flights leaving soon

Find last-minute flight options from Seattle to Knoxville for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated mayo 28, 2024.
Have a look at some of the last-minute flights available departing from Seattle to Knoxville. Users should examine the flight details to ensure there are no surprises.
vie. 6/78:04 amSEA - TYS
1 stop10h 26mFrontier
lun. 6/1010:41 pmTYS - SEA
1 stop12h 58mFrontier
Deal found 5/27$286
vie. 6/78:04 amSEA - TYS
1 stop10h 26mFrontier
sáb. 6/85:51 pmTYS - SEA
1 stop18h 19mFrontier
Deal found 5/27$301
vie. 6/78:04 amSEA - TYS
1 stop10h 26mFrontier
lun. 6/1010:41 pmTYS - SEA
1 stop12h 58mFrontier
Deal found 5/28$308
vie. 6/78:04 amSEA - TYS
1 stop10h 26mFrontier
mié. 6/127:47 pmTYS - SEA
1 stop17h 39mFrontier
Deal found 5/27$316
vie. 6/79:13 amSEA - TYS
3 stops23h 42mMultiple Airlines
mié. 6/128:10 amTYS - SEA
3 stops27h 22mMultiple Airlines
Deal found 5/27$493
vie. 6/75:10 amSEA - TYS
1 stop12h 55mAmerican Airlines
mar. 6/1111:42 amTYS - SEA
1 stop13h 15mAmerican Airlines
Deal found 5/27$507
vie. 6/79:28 amSEA - TYS
2 stops29h 23mMultiple Airlines
mié. 6/128:10 amTYS - SEA
3 stops27h 22mMultiple Airlines
Deal found 5/27$517
vie. 6/79:28 amSEA - TYS
2 stops29h 23mMultiple Airlines
mié. 6/129:00 amTYS - SEA
2 stops26h 32mMultiple Airlines
Deal found 5/27$555
vie. 6/73:30 pmSEA - TYS
2 stops21h 11mUnited Airlines
mié. 6/127:00 amTYS - SEA
1 stop18h 23mUnited Airlines
Deal found 5/27$615

One-way flights to Knoxville from Seattle

Search for one-way flight options from Seattle to Knoxville. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated mayo 28, 2024.
If you're seeking multiple options on one-way flights from Seattle to Knoxville, be sure to check out these deals, which are updated often. For those needing a return trip from Seattle, there is a search form available above.
mar. 7/29:41 pmSEA - TYS
1 stop14h 47mMultiple Airlines
Deal found 5/28$149
mar. 6/118:12 pmSEA - TYS
1 stop19h 35mFrontier
Deal found 5/26$158
lun. 6/107:56 amSEA - TYS
1 stop10h 43mFrontier
Deal found 5/28$165
vie. 7/58:14 amSEA - TYS
1 stop10h 22mFrontier
Deal found 5/27$183
lun. 6/107:56 amSEA - TYS
1 stop10h 43mFrontier
Deal found 5/26$195
lun. 6/109:28 amSEA - TYS
2 stops28h 54mMultiple Airlines
Deal found 5/26$196
mar. 6/259:49 amSEA - TYS
3 stops30h 50mMultiple Airlines
Deal found 5/28$206
mié. 7/105:10 amSEA - TYS
3 stops27h 17mMultiple Airlines
Deal found 5/27$207
mar. 6/258:12 pmSEA - TYS
1 stop19h 35mFrontier
Deal found 5/28$219

Find flights from Seattle to Knoxville within your budget

Customize your flight search to find flights from Seattle to Knoxville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated mayo 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$253 - $608

Route

Depart

Return

Price

Seattle/Tacoma IntlKnoxville McGhee Tyson

SEA - TYS

SEATYS

Seattle/Tacoma Intl

lun. 6/10

1 stop10h 43m

Knoxville McGhee Tyson

sáb. 6/15

1 stop18h 19m

$253

Seattle/Tacoma IntlKnoxville McGhee Tyson

SEA - TYS

SEATYS

Seattle/Tacoma Intl

lun. 6/10

1 stop10h 43m

Knoxville McGhee Tyson

sáb. 6/15

1 stop18h 19m

$269

Seattle/Tacoma IntlKnoxville McGhee Tyson

SEA - TYS

SEATYS

Seattle/Tacoma Intl

vie. 6/7

1 stop10h 26m

Knoxville McGhee Tyson

lun. 6/10

1 stop12h 58m

$286

Seattle/Tacoma IntlKnoxville McGhee Tyson

SEA - TYS

SEATYS

Seattle/Tacoma Intl

vie. 6/7

1 stop10h 26m

Knoxville McGhee Tyson

sáb. 6/8

1 stop18h 19m

$301

Seattle/Tacoma IntlKnoxville McGhee Tyson

SEA - TYS

SEATYS

Seattle/Tacoma Intl

jue. 6/20

1 stop8h 14m

Knoxville McGhee Tyson

mar. 6/25

2 stops27h 02m

$350

Seattle/Tacoma IntlKnoxville McGhee Tyson

SEA - TYS

SEATYS

Seattle/Tacoma Intl

jue. 6/20

1 stop13h 23m

Knoxville McGhee Tyson

mar. 6/25

3 stops37h 09m

$361

Seattle/Tacoma IntlKnoxville McGhee Tyson

SEA - TYS

SEATYS

Seattle/Tacoma Intl

mié. 8/7

1 stop12h 07m

Knoxville McGhee Tyson

jue. 8/15

1 stop13h 16m

$407

Seattle/Tacoma IntlKnoxville McGhee Tyson

SEA - TYS

SEATYS

Seattle/Tacoma Intl

mar. 8/6

1 stop19h 12m

Knoxville McGhee Tyson

jue. 8/15

1 stop18h 17m

$511

Seattle/Tacoma IntlKnoxville McGhee Tyson

SEA - TYS

SEATYS

Seattle/Tacoma Intl

mié. 7/17

1 stop9h 02m

Knoxville McGhee Tyson

sáb. 7/20

1 stop7h 32m

$608

Flights are sorted by cheapest first

Deals found on 5/28

When is the best time to book a flight from Seattle to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Knoxville. Price data was last updated on May 24, 2024.
The price you pay for your flight from Seattle to Knoxville may vary depending on when you book. For the best chance of a lower fare, look to book 18 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly from Seattle to Knoxville?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Knoxville. Price data was last updated on May 19, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Knoxville flight should consider departing on Tuesday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Seattle to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Knoxville by month

Plan your trip to Knoxville by taking into account the average temperature and rainfall totals by month.

TYS

Temperature

39.2 - 78.8 °F

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Knoxville. Reviews last updated mayo 28, 2024.
To help decide which airline to fly from Seattle to Knoxville, see what other customers have to say about Frontier, American Airlines and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Boarding

8.2

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Overall

8.1

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

Alaska Airlines
8.1
Very good
9,194 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Boarding

8.2

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Overall

8.1

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

Delta
8.0
Very good
10,476 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Boarding

8.2

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Overall

8.1

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

United Airlines
7.4
Good
10,799 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Boarding

8.2

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Overall

8.1

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

American Airlines
7.3
Good
14,316 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Boarding

8.2

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Overall

8.1

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

Frontier
6.3
Okay
4,016 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Boarding

8.2

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Overall

8.1

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Seattle to Knoxville for under $300 on Cheapflights?

    Yes, there are multiple flights from Seattle to Knoxville for under $300. The cheapest flight booked recently is on Frontier for just $253, but on average you can expect to pay $345.

  • Are there last-minute flights available from Seattle to Knoxville for under $300?

    There are currently 20+ open flights from Seattle to Knoxville within the next 7 days for less than $300.

  • What are the cheapest airlines flying from Seattle to Knoxville round-trip?

    Cheapflights users have booked flights from Seattle to Knoxville round-trip from $253. Another airline that can offer you cheap pricing is American Airlines. Users have found that Frontier is 61% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Seattle to Knoxville one-way?

    $158 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $263 and $302, respectively.

  • What does SEA to TYS mean?

    Seattle/Tacoma Intl Airport is SEA and Knoxville McGhee Tyson Airport is TYS. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Seattle to Knoxville that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Knoxville flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Knoxville with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Knoxville flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Seattle to Knoxville that include hotel bookings?

    Yes. In addition to deals on Seattle to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Knoxville.

  • Can I find deals for business class flights from Seattle to Knoxville?

    Yes. Cheapflights offers flight deals from Seattle to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Seattle to Knoxville that allow pets onboard?

    Many airlines flying from Seattle to Knoxville offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Knoxville?

    Yes, you can often find last-minute deals on Seattle to Knoxville flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Knoxville flight deals updated?

    The Seattle to Knoxville flight deals you see on this page were last updated on 5/28.

  • What are the most popular airlines that fly from Seattle to Knoxville?

    American Airlines, Alaska Airlines and Delta are the most popular airlines when flying from Seattle to Knoxville.

  • When is the best time to book a flight from Seattle to Knoxville?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Knoxville (average of $302). Flying from Seattle to Knoxville in April is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Seattle to Knoxville

Discover the top 5 airlines that operate flights from Seattle to Knoxville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated mayo 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$149Average$286FlexibilityNo cancel feeOn-time62%
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American AirlinesCheapest$428Average$629FlexibilityNo cancel feeOn-time71%
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United AirlinesCheapest$434Average$724FlexibilityNo cancel feeOn-time69%
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DeltaCheapest$498Average$750FlexibilityNo cancel feeOn-timeN/A
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Alaska AirlinesCheapest$570Average$817FlexibilityNo cancel feeOn-time75%
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