HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington

$484+ Cheap flights from Phnom Penh (PNH) to Washington

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
PNH — SEA
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Phnom Penh to Washington with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Phnom Penh to Washington

Discover tips and strategies to find the most affordable flight options for your journey from Phnom Penh (PNH) to Washington (USWA). 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 18, 2024.

Round-trip from

$745
(FlightHub)

One-way from

$484
(Trip.com)
From Phnom Penh Pochentong to Washington
Search Deals
One-way flight from Phnom Penh Pochentong to Washington
Search Deals

Find flight deals from Phnom Penh to Washington

Cheapest flights from Phnom Penh to Washington
Explore the most affordable flight options available from Phnom Penh to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Mytrip deal was found by Cheapflights users on 12/16. 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
Thu 2/612:45 pmSEA - PNH
1 stop19h 35mMultiple Airlines
Deal found 12/16$1,010
This oojo deal was found by Cheapflights users on 12/18. 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 12/2112:45 pmPNH - SEA
1 stop19h 55mEVA Air
Sat 1/411:30 pmSEA - PNH
1 stop20h 55mEVA Air
Deal found 12/18$1,181
This Gurufare deal was found by Cheapflights users on 12/16. 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 Gurufare 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
Thu 2/612:45 pmSEA - PNH
1 stop19h 35mAsiana Airlines
Deal found 12/16$1,210
This Ovago deal was found by Cheapflights users on 12/16. 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 Ovago 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
Wed 1/1510:41 amSEA - PNH
1 stop20h 44mKorean Air
Deal found 12/16$1,574
This Emirates deal was found by Cheapflights users on 12/18. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/219:30 pmPNH - SEA
2 stops54h 05mEmirates
Sat 1/410:56 amSEA - PNH
3 stops40h 29mEmirates
Deal found 12/18$2,818
This oojo deal was found by Cheapflights users on 12/18. 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 12/219:35 amPNH - SEA
3 stops52h 12mSingapore Airlines
Sat 1/410:42 amSEA - PNH
3 stops54h 53mSingapore Airlines
Deal found 12/18$3,541
This oojo deal was found by Cheapflights users on 12/17. 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.
Fri 12/201:05 amPNH - SEA
2 stops37h 39mPhilippine Airlines
Sat 1/410:51 pmSEA - PNH
2 stops58h 24mPhilippine Airlines
Deal found 12/17$4,505

Find flights from Phnom Penh to Washington within your budget

Customize your flight search to find flights from Phnom Penh to Washington 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 18, 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

Tue 5/6

1:15 am-7:20 pm

1 stop32h 05m

Seattle/Tacoma Intl

Wed 9/24

11:30 pm-12:15 am

1 stop34h 45m

$857

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

Wed 5/7

11:40 pm-10:50 am

1 stop25h 10m

Seattle/Tacoma Intl

Fri 9/26

1:00 pm-10:10 pm

1 stop19h 10m

$952

Phnom PenhPortland

PNH - PDX

PNHPDX

Phnom Penh Pochentong

Tue 2/4

12:30 am-2:34 pm

2 stops29h 04m

Portland

Wed 2/19

8:00 am-11:20 pm

2 stops24h 20m

$959

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

Wed 5/7

11:05 am-4:10 pm

2 stops43h 05m

Seattle/Tacoma Intl

Thu 9/25

1:15 am-6:15 pm

2 stops27h 00m

$994

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

Wed 5/7

12:35 pm-7:30 pm

1 stop20h 55m

Seattle/Tacoma Intl

Thu 9/25

1:30 am-11:15 am

1 stop19h 45m

$1,021

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

Sun 5/4

10:50 am-7:30 pm

1 stop22h 40m

Seattle/Tacoma Intl

Tue 9/23

1:10 am-4:05 pm

1 stop24h 55m

$1,029

Phnom PenhPortland

PNH - PDX

PNHPDX

Phnom Penh Pochentong

Wed 2/5

6:55 pm-10:09 pm

2 stops42h 14m

Portland

Wed 2/19

6:00 am-12:45 pm

3 stops39h 45m

$1,369

Phnom PenhPortland

PNH - PDX

PNHPDX

Phnom Penh Pochentong

Sun 2/9

5:10 pm-9:07 pm

3 stops42h 57m

Portland

Mon 2/24

6:42 am-3:25 pm

3 stops65h 43m

$1,586

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

Mon 3/3

6:45 pm-10:48 pm

2 stops67h 03m

Seattle/Tacoma Intl

Mon 3/24

7:00 am-12:45 pm

3 stops39h 45m

$1,616

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 32 results
1
2
3
4

Best time to book a flight from Phnom Penh to Washington

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

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

What is the cheapest month to book a flight from Phnom Penh to State of Washington?

Currently, January is the cheapest month in which you can book a flight from Phnom Penh to State of Washington (average of $238). Flying from Phnom Penh to State of Washington 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 WA?

Find hourly flight availability from Phnom Penh to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Phnom Penh to State of Washington as you normally would.

Rainfall in Washington by month

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

In terms of precipitation, rainfall in State of Washington 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 State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, 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 Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated December 18, 2024.
See what other customers who have flown with Asiana Airlines, Singapore Airlines and Philippine Airlines from Phnom Penh to Washington have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,273 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.2

Food

8.0

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
1,273 reviews
EVA Air
8.4
Very good
1,273 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.2

Food

8.0

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
1,018 reviews
EVA Air
8.4
Very good
1,273 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.2

Food

8.0

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
477 reviews
EVA Air
8.4
Very good
1,273 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.2

Food

8.0

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
1,273 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.2

Food

8.0

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
3,412 reviews
EVA Air
8.4
Very good
1,273 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.2

Food

8.0

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 Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Phnom Penh to Washington?

    If you book a flight to Washington from Phnom Penh, you will be flying from Pochentong, which is the city’s only airport. Phnom Penh Pochentong (PNH) is located 5.0 mi from the center of Phnom Penh.

  • What are the cheapest airlines to fly from Phnom Penh to State of Washington one-way?

    $484 is the cheapest one-way deal found within the past few days, from Philippine Airlines. You may also be able to find cheap deals on Korean Air and China Airlines, with prices starting from $587 and $642, respectively.

  • What are the most popular routes from Phnom Penh to State of Washington?

    Most travelers choose Phnom Penh Pochentong - Seattle/Tacoma Intl, Phnom Penh Pochentong - Portland or Phnom Penh Pochentong - Spokane when deciding on the best route from Phnom Penh to State of Washington.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Phnom Penh to Washington 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 State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Phnom Penh to State of Washington (average of $238). Flying from Phnom Penh to State of Washington 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Phnom Penh to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Phnom Penh to Los Angeles flights
Phnom Penh to Seattle flights
Phnom Penh to Portland flights
Phnom Penh to John F Kennedy Intl flights
Phnom Penh to Hobby flights
Phnom Penh to George Bush Intcntl flights
Phnom Penh to Newark flights
Phnom Penh to Honolulu flights
Phnom Penh to Dulles Intl flights
Phnom Penh to Boston flights
Phnom Penh to San Francisco flights
Phnom Penh to Reagan-National flights
Phnom Penh to Orlando flights
Phnom Penh to Denver flights
Phnom Penh to O'Hare Intl flights
Phnom Penh to San Jose flights
Phnom Penh to Miami flights
Phnom Penh to Indianapolis flights
Phnom Penh to Cleveland flights
Phnom Penh to Charlotte flights
Phnom Penh to Salt Lake City flights
Phnom Penh to Spokane flights
Krong Preah Sihanouk to Honolulu flights
Phnom Penh to Reno flights
Phnom Penh to Richmond flights
Phnom Penh to Raleigh flights
Phnom Penh to Pittsburgh flights
Phnom Penh to Sky Harbor Intl flights
Phnom Penh to Philadelphia flights
Phnom Penh to Lihue flights

Top 4 airlines flying from Phnom Penh to Washington

Discover the top 4 airlines that operate flights from Phnom Penh to Washington. 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 18, 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%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.