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Cheap flights from Seattle (SEA) to Hamilton (YHM) from $178

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 6/18. 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 — YHM
Jun 12 — Jun 191
From?
To?
Wed 6/12
Wed 6/19
1 adult, Economy
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How far in advance should I book a flight from Seattle to Hamilton, Ontario?

To save on the cost of your flight from Seattle to Hamilton, Ontario, book at least 27 days before your planned departure. Booking around this time can save you about 88% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $713 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $752.

What is the cheapest month to fly from Seattle to Hamilton, Ontario?

November is one of the best times of the year to fly to Hamilton, Ontario from Seattle. Prices for November average $599 per person but you can even find prices for as low as $214. The most expensive prices can be found in the month of December. Opting for a November flight can save you 5% on your journey compared to booking in December

What is the cheapest time of day to fly from SEA to YHM?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Hamilton, Ontario as you normally would.

Cheap Seattle to Hamilton flights in June & July 2024

Find cheap flight options from Seattle to Hamilton specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 7, 2024.
Tue 7/161:50 pmSEA - YHM
1 stop7h 26mWestJet
Sat 7/276:00 amYHM - SEA
1 stop9h 59mWestJet
Deal found 6/6$428
Thu 7/111:50 pmSEA - YHM
1 stop7h 26mWestJet
Mon 7/156:00 amYHM - SEA
2 stops11h 46mWestJet
Deal found 6/6$446
Tue 7/21:50 pmSEA - YHM
1 stop7h 26mWestJet
Tue 7/96:00 amYHM - SEA
1 stop9h 59mWestJet
Deal found 6/6$455
Tue 6/256:15 pmSEA - YHM
1 stop27h 00mWestJet
Tue 7/26:00 amYHM - SEA
1 stop14h 22mWestJet
Deal found 6/6$457
Thu 7/111:50 pmSEA - YHM
1 stop7h 26mWestJet
Mon 7/156:00 amYHM - SEA
1 stop17h 22mWestJet
Deal found 6/6$480
Tue 7/97:00 amSEA - YHM
1 stop14h 16mWestJet
Mon 7/156:00 amYHM - SEA
2 stops11h 46mWestJet
Deal found 6/6$485
Thu 7/257:00 amSEA - YHM
1 stop14h 16mWestJet
Thu 9/56:00 amYHM - SEA
2 stops11h 46mWestJet
Deal found 6/6$495
Tue 7/161:50 pmSEA - YHM
1 stop7h 26mWestJet
Thu 7/186:00 amYHM - SEA
1 stop14h 22mWestJet
Deal found 6/6$499
Wed 7/311:50 pmSEA - YHM
1 stop7h 26mWestJet
Fri 8/166:00 amYHM - SEA
1 stop17h 21mWestJet
Deal found 6/5$500

Seattle to Hamilton 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Hamilton in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 7, 2024.
Tue 7/161:50 pmSEA - YHM
1 stop7h 26mWestJet
Sat 7/276:00 amYHM - SEA
1 stop9h 59mWestJet
Deal found 6/6$428
Thu 7/111:50 pmSEA - YHM
1 stop7h 26mWestJet
Mon 7/156:00 amYHM - SEA
2 stops11h 46mWestJet
Deal found 6/6$446
Tue 7/21:50 pmSEA - YHM
1 stop7h 26mWestJet
Tue 7/96:00 amYHM - SEA
1 stop9h 59mWestJet
Deal found 6/6$455
Tue 6/256:15 pmSEA - YHM
1 stop27h 00mWestJet
Tue 7/26:00 amYHM - SEA
1 stop14h 22mWestJet
Deal found 6/6$457
Thu 10/107:00 amSEA - YHM
1 stop7h 13mWestJet
Tue 10/156:00 amYHM - SEA
1 stop9h 56mWestJet
Deal found 6/6$464
Wed 8/141:50 pmSEA - YHM
1 stop7h 25mWestJet
Tue 8/206:00 amYHM - SEA
1 stop9h 56mWestJet
Deal found 6/6$473
Fri 8/237:00 amSEA - YHM
1 stop14h 15mWestJet
Sun 8/256:00 amYHM - SEA
2 stops11h 46mWestJet
Deal found 6/6$475
Thu 7/111:50 pmSEA - YHM
1 stop7h 26mWestJet
Mon 7/156:00 amYHM - SEA
1 stop17h 22mWestJet
Deal found 6/6$480
Wed 9/181:50 pmSEA - YHM
1 stop7h 28mWestJet
Thu 9/266:00 amYHM - SEA
2 stops11h 48mWestJet
Deal found 6/6$484

Seattle to Hamilton flights leaving soon

Find last-minute flight options from Seattle to Hamilton 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 3,050,429 searches. Data last updated June 7, 2024.
Mon 6/177:00 amSEA - YHM
1 stop7h 01mWestJet
Wed 6/266:00 amYHM - SEA
1 stop9h 56mWestJet
Deal found 6/6$801
Fri 6/147:00 amSEA - YHM
1 stop7h 15mWestJet
Sun 9/226:05 pmYHM - SEA
2 stops23h 43mWestJet
Deal found 6/6$842
Fri 6/147:00 amSEA - YHM
1 stop7h 15mWestJet
Sun 9/226:05 pmYHM - SEA
1 stop21h 51mWestJet
Deal found 6/6$850
Mon 6/177:00 amSEA - YHM
1 stop7h 01mWestJet
Sat 6/296:00 amYHM - SEA
1 stop17h 21mWestJet
Deal found 6/6$883
Mon 6/177:00 amSEA - YHM
1 stop7h 01mMultiple Airlines
Thu 6/276:00 amYHM - SEA
2 stops11h 38mMultiple Airlines
Deal found 6/6$945
Sun 6/161:50 pmSEA - YHM
1 stop24h 11mWestJet
Wed 6/266:00 amYHM - SEA
1 stop9h 56mWestJet
Deal found 6/5$971
Mon 6/171:50 pmSEA - YHM
1 stop23h 11mWestJet
Thu 6/276:00 amYHM - SEA
1 stop9h 56mWestJet
Deal found 6/6$973
Thu 6/137:00 amSEA - YHM
1 stop7h 15mWestJet
Mon 6/176:05 pmYHM - SEA
1 stop29h 16mWestJet
Deal found 6/6$1,056
Thu 6/137:00 amSEA - YHM
1 stop7h 15mWestJet
Mon 6/176:05 pmYHM - SEA
1 stop21h 51mWestJet
Deal found 6/6$1,086

One-way flights to Hamilton from Seattle

Search for one-way flight options from Seattle to Hamilton. 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 3,050,429 searches. Data last updated June 7, 2024.
Tue 6/187:00 amSEA - YHM
1 stop7h 01mWestJet
Deal found 6/5$178
Wed 7/175:15 pmSEA - YHM
3 stops18h 05mMultiple Airlines
Deal found 6/6$195
Mon 8/126:15 pmSEA - YHM
1 stop27h 00mWestJet
Deal found 6/5$200
Tue 7/161:50 pmSEA - YHM
1 stop7h 26mWestJet
Deal found 6/5$201
Tue 7/161:50 pmSEA - YHM
1 stop7h 26mWestJet
Deal found 6/6$202
Wed 7/241:50 pmSEA - YHM
1 stop7h 26mWestJet
Deal found 6/5$214
Tue 6/117:00 amSEA - YHM
1 stop7h 15mWestJet
Deal found 6/5$215
Sat 8/247:00 amSEA - YHM
1 stop14h 15mWestJet
Deal found 6/6$218
Sun 10/207:00 amSEA - YHM
1 stop7h 13mWestJet
Deal found 6/5$220

Find flights from Seattle to Hamilton within your budget

Customize your flight search to find flights from Seattle to Hamilton 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 3,050,429 searches. Data last updated June 7, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$428 - $596

Route

Depart

Return

Price

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Tue 7/16

1 stop7h 26m

Hamilton

Sat 7/27

1 stop9h 59m

$428

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Thu 7/11

1 stop7h 26m

Hamilton

Mon 7/15

2 stops11h 46m

$446

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Tue 7/2

1 stop7h 26m

Hamilton

Tue 7/9

1 stop9h 59m

$455

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Tue 6/25

1 stop27h 00m

Hamilton

Tue 7/2

1 stop14h 22m

$457

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Tue 9/17

1 stop7h 13m

Hamilton

Tue 9/24

1 stop9h 56m

$459

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Thu 10/10

1 stop7h 13m

Hamilton

Tue 10/15

1 stop9h 56m

$463

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Thu 7/4

1 stop14h 16m

Hamilton

Thu 7/11

2 stops27h 00m

$503

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Thu 7/4

1 stop14h 16m

Hamilton

Thu 7/11

2 stops27h 00m

$507

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Thu 7/4

1 stop14h 16m

Hamilton

Thu 7/11

3 stops20h 30m

$596

Flights are sorted by cheapest first

Deals found on 6/6

No data available for this route at this time. Please check back soon.

Best time to book a flight from Seattle to Hamilton

Have a flexible travel schedule? Discover the best time to fly to Hamilton 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.

Reviews of airlines servicing Hamilton

Get insights into the airlines that provide service to Hamilton. 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 Hamilton. Reviews last updated June 7, 2024.
WestJet
7.5
Good
2,853 reviews

Boarding

7.6

Entertainment

6.4

Food

6.4

Crew

8.1

Comfort

7.3

Overall

7.5

Reviews

1 / 10

Pilots made up time on delayed flights. Air in the cabin was stuffy and too warm. Flight attendants were friendly and efficient.

WestJet
7.5
Good
2,853 reviews
WestJet
7.5
Good
2,853 reviews

Boarding

7.6

Entertainment

6.4

Food

6.4

Crew

8.1

Comfort

7.3

Overall

7.5

Reviews

1 / 10

Pilots made up time on delayed flights. Air in the cabin was stuffy and too warm. Flight attendants were friendly and efficient.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Hamilton. 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 Hamilton, Ontario for under $500 on Cheapflights?

    Yes, there are multiple flights from Seattle to Hamilton, Ontario for under $500. The cheapest flight booked recently is on WestJet for just $428, but on average you can expect to pay $477.

  • Are there last-minute flights available from Seattle to Hamilton, Ontario for under $900?

    There are currently 9+ open flights from Seattle to Hamilton, Ontario within the next 7 days for less than $900.

  • What does SEA to YHM mean?

    Great question - SEA to YHM just means Seattle/Tacoma Intl Airport to Hamilton Airport. Now you’ll know what these unique codes when you look for flights!

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

    The amount of baggage you can bring on your Seattle to Hamilton 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 Hamilton with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Hamilton 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 Hamilton that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Hamilton 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 Hamilton that allow pets onboard?

    Many airlines flying from Seattle to Hamilton 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 Hamilton?

    Yes, you can often find last-minute deals on Seattle to Hamilton 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 Hamilton, Ontario flight deals updated?

    The Seattle to Hamilton, Ontario flight deals you see on this page were last updated on 6/6.

See more FAQs

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