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$531+ Cheap flights from Phnom Penh (PNH) to Seattle (SEA)

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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
PNH — SEA
Dec 26 — Jan 21
Thu 12/26
Thu 1/2
1 adult, Economy
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The best prices from Phnom Penh Pochentong to Seattle/Tacoma Intl are usually found in November or October, booked 76 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

Cheap flight deals from Phnom Penh to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Phnom Penh (PNH) to Seattle (SEA). 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 December 21, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$745
(FlightHub)

One-way from

$587
(oojo)

Popular in

January

Cheapest in

November

Average price

$1,154
Provider with most accurate pricing for Phnom Penh Pochentong-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Phnom Penh Pochentong-Seattle/Tacoma Intl flights.
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From Phnom Penh Pochentong to Seattle/Tacoma Intl
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One-way flight from Phnom Penh Pochentong to Seattle/Tacoma Intl
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High demand for flights, 5% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Phnom Penh to Seattle

Cheapest flights from Phnom Penh to Seattle
Explore the most affordable flight options available from Phnom Penh to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2024.

This Mytrip deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/249:45 amPNH - SEA
2 stops23h 30mMultiple Airlines
Tue 2/1812:45 pmSEA - PNH
1 stop19h 35mMultiple Airlines
Deal found 12/20$1,044
This Priceline deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2411:45 pmPNH - SEA
1 stop24h 15mKorean Air
Tue 2/1811:00 amSEA - PNH
1 stop20h 25mKorean Air
Deal found 12/20$1,175
This Gotogate deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2312:30 amPNH - SEA
1 stop25h 25mAsiana Airlines
Tue 2/1812:45 pmSEA - PNH
1 stop19h 35mAsiana Airlines
Deal found 12/20$1,241
This oojo deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/216:55 pmPNH - SEA
1 stop27h 15mSingapore Airlines
Sat 1/48:40 amSEA - PNH
1 stop32h 55mSingapore Airlines
Deal found 12/21$1,825
This oojo deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/215:10 pmPNH - SEA
3 stops40h 42mQatar Airways
Sat 1/44:05 pmSEA - PNH
2 stops32h 20mQatar Airways
Deal found 12/20$2,515

Find flights from Phnom Penh to Seattle within your budget

Customize your flight search to find flights from Phnom Penh to Seattle 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 2,558,603 searches. Data last updated December 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

Sun 3/2

12:30 am-10:55 am

1 stop25h 25m

Seattle/Tacoma Intl

Mon 3/24

1:45 pm-11:20 pm

1 stop19h 35m

$745

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

Mon 3/3

11:45 pm-9:00 am

1 stop24h 15m

Seattle/Tacoma Intl

Mon 3/24

12:00 pm-10:25 pm

1 stop20h 25m

$987

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

Mon 3/3

12:45 pm-6:10 pm

1 stop20h 25m

Seattle/Tacoma Intl

Sun 3/23

1:10 am-11:25 am

1 stop20h 15m

$1,106

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

Mon 2/3

5:20 pm-6:15 pm

1 stop15h 55m

Seattle/Tacoma Intl

Tue 6/10

1:10 am-4:05 pm

1 stop24h 55m

$1,108

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

Mon 3/3

10:55 am-3:05 pm

2 stops19h 10m

Seattle/Tacoma Intl

Mon 3/24

1:45 pm-11:20 pm

1 stop19h 35m

$1,118

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

Mon 3/3

1:45 pm-10:00 am

2 stops35h 15m

Seattle/Tacoma Intl

Mon 3/24

5:59 pm-12:45 pm

2 stops28h 46m

$1,326

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

Thu 1/9

1:05 am-6:10 pm

1 stop32h 05m

Seattle/Tacoma Intl

Tue 1/14

11:23 am-12:15 am

2 stops45h 52m

$1,553

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

Mon 2/3

9:30 pm-7:08 pm

3 stops36h 38m

Seattle/Tacoma Intl

Wed 6/11

5:15 pm-4:35 pm

2 stops57h 20m

$2,260

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

Thu 1/23

1:05 am-6:10 pm

1 stop32h 05m

$531

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

Tue 2/11

8:15 am-4:43 pm

3 stops47h 28m

$552

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 19 results
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Compare providers for flights from Phnom Penh to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Phnom Penh to Seattle in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars
ScholarTripPrice Accuracy3 starsTrust Score*3 stars
business-class.comPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Phnom Penh-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phnom Penh-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phnom Penh-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phnom Penh-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phnom Penh-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Phnom Penh to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Phnom Penh 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.

Travel insights for flights from Phnom Penh to Seattle

Get recent, data-driven insights about flights from Phnom Penh to Seattle including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Phnom Penh to Seattle. Price data was last updated on December 20, 2024.

To ensure you get the cheapest price possible for a flight from Phnom Penh to Seattle, you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Phnom Penh to Seattle (average of $238). Flying from Phnom Penh to Seattle in July is currently the most expensive (average of $411). 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.

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

Find hourly flight availability from Phnom Penh to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 21, 2024.

Unlike in the morning, when flights are generally more expensive, you can save up to 27% on flights from Phnom Penh to Seattle by exploring options for tickets at noon.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated December 21, 2024.
EVA Air
8.4
Very good
1,265 reviews

Entertainment

8.0

Comfort

8.3

Food

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

EVA Air
8.4
Very good
1,265 reviews
EVA Air
8.4
Very good
1,265 reviews

Entertainment

8.0

Comfort

8.3

Food

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Korean Air
8.4
Very good
1,025 reviews
EVA Air
8.4
Very good
1,265 reviews

Entertainment

8.0

Comfort

8.3

Food

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

China Airlines
8.3
Very good
754 reviews
EVA Air
8.4
Very good
1,265 reviews

Entertainment

8.0

Comfort

8.3

Food

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Asiana Airlines
8.3
Very good
474 reviews
EVA Air
8.4
Very good
1,265 reviews

Entertainment

8.0

Comfort

8.3

Food

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Emirates
8.1
Very good
3,403 reviews
EVA Air
8.4
Very good
1,265 reviews

Entertainment

8.0

Comfort

8.3

Food

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Related info for your journey

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

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

    Asiana Airlines, at $745, was found to be the cheapest airline from Phnom Penh to Seattle.Alternate airlines to your destination round-trip include Korean Air and EVA Air. Asiana Airlines is 38% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $587 on Philippine Airlines. Other airlines that offer cheap prices include EVA Air from $813 and China Eastern from $1,405 one-way.

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

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Phnom Penh to Seattle (average of $238). Flying from Phnom Penh to Seattle in July is currently the most expensive (average of $411). 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 Phnom Penh to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Phnom Penh to Portland flights
Phnom Penh to Spokane flights

Top 4 airlines flying from Phnom Penh to Seattle

Discover the top 4 airlines that operate flights from Phnom Penh to Seattle. 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 2,558,603 searches. Data last updated December 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$756Average$1,035FlexibilityNo cancel feeOn-time76%
China AirlinesCheapest$928Average$1,217FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$953Average$1,176FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$1,090Average$1,366FlexibilityNo cancel feeOn-time74%
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