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Cheap flights from Seattle (SEA) to Phnom Penh (PNH) from $532

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 11/19. 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 — PNH
Jun 15 — Jun 221
From?
To?
Sat 6/15
Sat 6/22
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Phnom Penh Pochentong are usually found in September or November, booked 24 days in advance, depart on a Tuesday or Monday and return on a Sunday

Cheap flight deals from Seattle to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Phnom Penh (PNH). 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 June 10, 2024.

Popular in

December

Cheapest in

September

Round-trip from

$1,081

One-way from

$563
High demand for flights, 27% potential price rise
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Best time to find cheap flights, 17% potential price drop
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From Seattle/Tacoma Intl to Phnom Penh Pochentong
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One-way flight from Seattle/Tacoma Intl to Phnom Penh Pochentong
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What is the cheapest day to fly round-trip from Seattle to Phnom Penh?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 12% on your flight compared to booking on days when demand is much higher.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 25 days in advance, which can save you up to 5% on flights from Seattle to Phnom Penh compared to booking the week you need them. Waiting 25 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,112. For sooner than that we have options available in the next 3 days from $1,257.

What is the cheapest month to fly from Seattle to Phnom Penh?

Our data shows that September tends to be the cheapest month to fly to Phnom Penh from Seattle. Users have commonly found prices around $1,290 for the month, but tickets can be as low as $881. Due to multiple factors, prepare for potentially higher prices in December.

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

One of the essential ways to save on airfare from Seattle to Phnom Penh is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 27% on airfare.

Cheap Seattle to Phnom Penh flights in June & July 2024

Find cheap flight options from Seattle to Phnom Penh specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,020,828 searches. Prices were last updated on June 10, 2024.
These are some of the best deals we've found on flights to Phnom Penh in 2024 at this time. Check back soon for alternative fares.
Tue 7/95:45 pmSEA - PNH
2 stops27h 30mMultiple Airlines
Wed 8/2112:35 pmPNH - SEA
2 stops33h 40mMultiple Airlines
Deal found 6/9$1,434
Tue 7/232:20 pmSEA - PNH
1 stop18h 35mAsiana Airlines
Tue 7/3011:55 pmPNH - SEA
1 stop26h 50mAsiana Airlines
Deal found 6/8$1,599
Tue 7/93:52 pmSEA - PNH
2 stops29h 23mMultiple Airlines
Wed 8/2112:35 pmPNH - SEA
1 stop21h 15mMultiple Airlines
Deal found 6/9$1,664
Mon 7/82:10 amSEA - PNH
1 stop19h 05mMultiple Airlines
Wed 8/2112:35 pmPNH - SEA
2 stops33h 40mMultiple Airlines
Deal found 6/9$1,670
Tue 7/232:20 pmSEA - PNH
1 stop18h 35mMultiple Airlines
Tue 7/304:55 pmPNH - SEA
2 stops33h 50mMultiple Airlines
Deal found 6/8$1,675
Tue 7/97:12 pmSEA - PNH
3 stops51h 53mSingapore Airlines
Wed 8/212:05 pmPNH - SEA
2 stops32h 10mSingapore Airlines
Deal found 6/9$1,739
Tue 7/231:30 pmSEA - PNH
3 stops34h 10mMultiple Airlines
Tue 7/307:00 amPNH - SEA
3 stops24h 52mMultiple Airlines
Deal found 6/8$1,752
Tue 7/99:41 pmSEA - PNH
3 stops34h 29mMultiple Airlines
Wed 8/217:10 pmPNH - SEA
3 stops41h 21mMultiple Airlines
Deal found 6/9$1,763
Mon 7/222:10 amSEA - PNH
1 stop19h 05mMultiple Airlines
Tue 7/309:40 amPNH - SEA
2 stops24h 10mMultiple Airlines
Deal found 6/8$1,764

Seattle to Phnom Penh 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Phnom Penh in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 10, 2024.
These are some of the best deals we've found on flights to Phnom Penh in 2024 at this time. Check back soon for alternative fares.
Sun 10/2711:35 pmSEA - PNH
1 stop34h 10mPhilippine Airlines
Thu 11/2112:45 amPNH - SEA
1 stop32h 30mPhilippine Airlines
Deal found 6/9$775
Wed 10/211:40 pmSEA - PNH
1 stop34h 19mPhilippine Airlines
Tue 10/1512:50 amPNH - SEA
1 stop32h 25mPhilippine Airlines
Deal found 6/8$874
Tue 9/101:40 amSEA - PNH
1 stop24h 25mChina Airlines
Thu 10/175:10 pmPNH - SEA
1 stop16h 20mChina Airlines
Deal found 6/9$947
Tue 9/172:20 pmSEA - PNH
1 stop18h 35mMultiple Airlines
Tue 9/249:05 pmPNH - SEA
2 stops29h 40mMultiple Airlines
Deal found 6/8$972
Tue 10/12:20 pmSEA - PNH
1 stop18h 35mAsiana Airlines
Wed 10/2311:55 pmPNH - SEA
1 stop26h 50mAsiana Airlines
Deal found 6/9$977
Tue 10/15:47 pmSEA - PNH
2 stops29h 18mSingapore Airlines
Wed 10/232:05 pmPNH - SEA
1 stop32h 40mSingapore Airlines
Deal found 6/9$981
Tue 10/12:20 pmSEA - PNH
1 stop18h 35mMultiple Airlines
Tue 10/154:55 pmPNH - SEA
2 stops33h 50mMultiple Airlines
Deal found 6/8$982
Mon 9/301:10 amSEA - PNH
1 stop18h 40mChina Airlines
Sun 10/2711:35 amPNH - SEA
1 stop21h 30mChina Airlines
Deal found 6/9$983
Mon 9/302:20 pmSEA - PNH
1 stop18h 35mAsiana Airlines
Wed 10/1611:55 pmPNH - SEA
1 stop26h 50mAsiana Airlines
Deal found 6/8$994

One-way flights to Phnom Penh from Seattle

Search for one-way flight options from Seattle to Phnom Penh. 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 3,020,828 searches. Data last updated June 10, 2024.
Take a look at some of the one-way flights we've detected from Seattle to Phnom Penh. Users needing a return flight from Seattle to Phnom Penh should utilize the search form above.
Tue 11/198:45 amSEA - PNH
1 stop42h 00mSingapore Airlines
Deal found 6/9$532
Mon 11/1812:10 amSEA - PNH
1 stop19h 25mChina Airlines
Deal found 6/9$563
Wed 9/189:14 amSEA - PNH
3 stops57h 41mMultiple Airlines
Deal found 6/9$569
Tue 9/171:10 amSEA - PNH
2 stops25h 10mMultiple Airlines
Deal found 6/9$599
Wed 9/182:20 pmSEA - PNH
1 stop18h 35mAsiana Airlines
Deal found 6/9$606
Tue 9/171:30 amSEA - PNH
1 stop19h 45mEVA Air
Deal found 6/9$611
Mon 11/1812:10 amSEA - PNH
3 stops28h 15mMultiple Airlines
Deal found 6/9$624
Tue 11/1911:40 amSEA - PNH
2 stops34h 05mSingapore Airlines
Deal found 6/9$638
Wed 9/189:14 amSEA - PNH
2 stops34h 36mMultiple Airlines
Deal found 6/9$648

Find flights from Seattle to Phnom Penh within your budget

Customize your flight search to find flights from Seattle to Phnom Penh 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 3,020,828 searches. Data last updated June 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$775 - $1,147

Route

Depart

Return

Price

Seattle/Tacoma IntlPhnom Penh Pochentong

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Sun 10/27

1 stop34h 10m

Phnom Penh Pochentong

Thu 11/21

1 stop32h 30m

$775

Seattle/Tacoma IntlPhnom Penh Pochentong

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Wed 10/2

1 stop34h 19m

Phnom Penh Pochentong

Tue 10/15

1 stop32h 25m

$874

Seattle/Tacoma IntlPhnom Penh Pochentong

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Tue 9/10

1 stop24h 25m

Phnom Penh Pochentong

Thu 10/17

1 stop16h 20m

$947

Seattle/Tacoma IntlPhnom Penh Pochentong

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Tue 9/17

1 stop18h 35m

Phnom Penh Pochentong

Tue 9/24

2 stops29h 40m

$972

Seattle/Tacoma IntlPhnom Penh Pochentong

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Tue 10/1

1 stop18h 35m

Phnom Penh Pochentong

Wed 10/23

1 stop26h 50m

$977

Seattle/Tacoma IntlPhnom Penh Pochentong

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Tue 10/1

2 stops29h 18m

Phnom Penh Pochentong

Wed 10/23

1 stop32h 40m

$981

Seattle/Tacoma IntlPhnom Penh Pochentong

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Wed 10/2

2 stops26h 15m

Phnom Penh Pochentong

Mon 10/14

2 stops29h 57m

$1,019

Seattle/Tacoma IntlPhnom Penh Pochentong

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Mon 9/16

1 stop19h 45m

Phnom Penh Pochentong

Tue 9/24

1 stop20h 55m

$1,062

Seattle/Tacoma IntlPhnom Penh Pochentong

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Mon 9/30

2 stops25h 10m

Phnom Penh Pochentong

Sun 10/13

1 stop25h 00m

$1,147

Flights are sorted by cheapest first

Deals found on 6/9

How far ahead should I book a flight from Seattle to Phnom Penh?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Phnom Penh. Price data was last updated on May 31, 2024.
The best time to book flights from Seattle to Phnom Penh is 24 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

What is the cheapest day to fly from Seattle to Phnom Penh?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Phnom Penh. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Phnom Penh flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday afternoons 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 Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh 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 Phnom Penh by month

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

PNH

Temperature

77 - 84.2 °F

If weather is an important factor for your trip to Phnom Penh, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Phnom Penh

Get insights into the airlines that provide service to Phnom Penh. 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 Phnom Penh. Reviews last updated June 10, 2024.
Read through reviews of airlines operating flights from Seattle to Phnom Penh, such as Philippine Airlines, Asiana Airlines and Singapore Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,129 reviews

Entertainment

8.2

Crew

8.8

Boarding

8.6

Comfort

8.3

Food

8.2

Overall

8.5

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Korean Air
8.5
Very good
1,129 reviews
Korean Air
8.5
Very good
1,129 reviews

Entertainment

8.2

Crew

8.8

Boarding

8.6

Comfort

8.3

Food

8.2

Overall

8.5

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

EVA Air
8.4
Very good
1,488 reviews
Korean Air
8.5
Very good
1,129 reviews

Entertainment

8.2

Crew

8.8

Boarding

8.6

Comfort

8.3

Food

8.2

Overall

8.5

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Asiana Airlines
8.4
Very good
564 reviews
Korean Air
8.5
Very good
1,129 reviews

Entertainment

8.2

Crew

8.8

Boarding

8.6

Comfort

8.3

Food

8.2

Overall

8.5

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

China Airlines
8.3
Very good
884 reviews
Korean Air
8.5
Very good
1,129 reviews

Entertainment

8.2

Crew

8.8

Boarding

8.6

Comfort

8.3

Food

8.2

Overall

8.5

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Singapore Airlines
8.3
Very good
1,419 reviews
Korean Air
8.5
Very good
1,129 reviews

Entertainment

8.2

Crew

8.8

Boarding

8.6

Comfort

8.3

Food

8.2

Overall

8.5

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Related info for your journey

Find useful and relevant information for your journey from Seattle to Phnom Penh. 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 Phnom Penh for under $800 on Cheapflights?

    Yes, there are multiple flights from Seattle to Phnom Penh for under $800. The cheapest flight booked recently is on Philippine Airlines for just $775, but on average you can expect to pay $992.

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

    Our cheapest airline available from Seattle to Phnom Penh is Philippine Airlines. Our recent data shows that you can find tickets from as low as $775 on this airline. Additional options worth looking into are China Airlines and Asiana Airlines, starting at $947 and $977 round-trip. Philippine Airlines is 39% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for Singapore Airlines. According to our data, you can fly for as low as $532. Users have also found prices from $563 and $606 on China Airlines and Asiana Airlines, respectively.

  • What does SEA to PNH mean?

    SEA stands for Seattle/Tacoma Intl Airport, while PNH stands for Phnom Penh Pochentong Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Where are the most common layover locations when flying from Seattle to Phnom Penh?

    Seattle to Phnom Penh flights have a layover in Taipei City most of the time.

  • What are some popular things to do or see while on a layover in Taipei City?

    The majority of Taipei City visitors spend their time at Taipei 101, Shilin Night Market, and Raohe Street Night Market. Taipei 101, Shilin Night Market, and Raohe Street Night Market can be accessed by traveling approximately 21.0 mi, 18.3 mi, and 21.6 mi, respectively from Taipei City Taiwan Taoyuan Intl. Travelers in need of a car in Taipei City can rent one for about $87 per day.

  • Where are the least popular layover locations for Seattle to Phnom Penh flights?

    Flights departing from Seattle and landing in Phnom Penh layover in Incheon least frequently.

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

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

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

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

  • How can I find direct flights from Seattle to Phnom Penh?

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

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

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

    Many airlines flying from Seattle to Phnom Penh 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 Phnom Penh?

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

    The Seattle to Phnom Penh flight deals you see on this page were last updated on 6/9.

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

    Consider EVA Air, Korean Air or Malaysia Airlines when booking your flight. These represent the most popular airlines when flying from Seattle to Phnom Penh.

  • What is the cheapest month to book a flight from Seattle to Phnom Penh?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Phnom Penh (average of $1,081). Flying from Seattle to Phnom Penh in June is currently the most expensive (average of $1,582). 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

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Alternative routes for Seattle to Phnom Penh
See prices for flight routes from nearby airports that may be better suited for you.

Portland to Phnom Penh flights
Spokane to Phnom Penh flights

Top 5 airlines flying from Seattle to Phnom Penh

Discover the top 5 airlines that operate flights from Seattle to Phnom Penh. 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 3,020,828 searches. Data last updated June 10, 2024.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$798Average$1,135FlexibilityNo cancel feeOn-time81%
Singapore AirlinesCheapest$807Average$1,043FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$921Average$1,255FlexibilityNo cancel feeOn-time76%
EVA AirCheapest$1,071Average$1,327FlexibilityNo cancel feeOn-time74%
Malaysia AirlinesCheapest$1,625Average$1,700FlexibilityNo cancel feeOn-time67%
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Search flights from Seattle to Phnom Penh by cabin class

Find flights from Seattle to Phnom Penh, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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