What are the cheapest airlines flying from Phnom Penh to Washington, D.C. round-trip?

According to our current data, China Airlines ($1,393), EVA Air ($1,485), and Korean Air ($2,127) offers the cheapest pricing from Phnom Penh to Washington, D.C..

What is the cheapest day to fly from Phnom Penh to Washington, D.C.?

Travelers seeking maximum savings on their Phnom Penh to Washington, D.C. flight should consider departing on Tuesday evenings when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Phnom Penh to Washington, D.C.?

Flying to your destination on a Tuesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Washington, D.C.. Check prices with Cheapflights to find a great deal for your trip.

Most accurate provider : When it comes to deals on Phnom Penh-Washington, D.C. flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Phnom Penh-Washington, D.C. flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Phnom Penh-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Phnom Penh-Washington, D.C. flights, Cheapflights users trust AranGrant the most. AranGrant 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-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Phnom Penh to Washington, D.C.?

Phnom Penh Pochentong (PNH) is the airport you will fly out of if you book a flight from Phnom Penh to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Pochentong; the airport handles an average of 0 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Phnom Penh airport to Washington, D.C.. It is only a 5.0 mi journey to Pochentong (PNH) from Phnom Penh’s city center.

Can I find deals for flights from Phnom Penh to Washington, D.C. that include hotel bookings?

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

How can I find direct flights from Phnom Penh to Washington, D.C.?

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, D.C..

Can I find deals for business class flights from Phnom Penh to Washington, D.C.?

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

$1,237+ Flights from Phnom Penh to Washington, D.C.

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1. Tell us where you want to go

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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

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Cheap flight deals from Phnom Penh to Washington, D.C.

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$1,237 (FlightHub)

Provider with most accurate pricing for Phnom Penh Pochentong-Washington, D.C. (WAS) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Phnom Penh Pochentong-Washington, D.C. (WAS) flights.

Search Deals

From Phnom Penh Pochentong to Washington, D.C. (WAS)

Search Deals

Find flight deals from Phnom Penh to Washington, D.C.

Cheapest flights from Phnom Penh to Washington, D.C.
Explore the most affordable flight options available from Phnom Penh to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Sat 5/1011:10 amPNH - IAD

2 stops32h 30mMultiple Airlines

Sat 5/2410:55 amIAD - PNH

2 stops43h 30mMultiple Airlines

Deal found 4/22

$1,237

Sun 6/110:50 amPNH - IAD

2 stops31h 46mChina Airlines

Tue 7/17:59 pmIAD - PNH

2 stops33h 06mChina Airlines

Deal found 4/22

$1,393

Sat 5/1012:35 pmPNH - DCA

2 stops43h 23mEVA Air

Sat 5/246:38 pmDCA - PNH

2 stops29h 37mEVA Air

Deal found 4/22

$1,485

Sun 6/110:50 amPNH - DCA

2 stops45h 09mChina Airlines

Tue 7/16:58 pmDCA - PNH

2 stops34h 07mChina Airlines

Deal found 4/22

$1,596

Sun 6/111:30 pmPNH - IAD

1 stop22h 45mKorean Air

Tue 7/11:30 pmIAD - PNH

1 stop21h 40mKorean Air

Deal found 4/22

$2,127

Sat 5/105:40 pmPNH - IAD

1 stop33h 00mQatar Airways

Sat 5/249:00 pmIAD - PNH

1 stop32h 15mQatar Airways

Deal found 4/22

$2,180

Sat 5/311:15 amPNH - DCA

2 stops30h 37mPhilippine Airlines

Tue 7/12:54 pmDCA - PNH

2 stops46h 21mPhilippine Airlines

Deal found 4/22

$2,726

Best flights from Phnom Penh to Washington, D.C.
Discover carefully curated flight deals from Phnom Penh to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 22, 2025.

Sat 5/1011:10 amPNH - IAD

2 stops32h 30mMultiple Airlines

Sat 5/2410:55 amIAD - PNH

2 stops43h 30mMultiple Airlines

Deal found 4/22

$1,237

Sun 6/110:50 amPNH - IAD

2 stops31h 46mChina Airlines

Tue 7/17:59 pmIAD - PNH

2 stops33h 06mChina Airlines

Deal found 4/22

$1,393

Sat 5/1012:35 pmPNH - DCA

2 stops43h 23mEVA Air

Sat 5/246:38 pmDCA - PNH

2 stops29h 37mEVA Air

Deal found 4/22

$1,485

Sun 6/111:30 pmPNH - IAD

1 stop22h 45mKorean Air

Tue 7/11:30 pmIAD - PNH

1 stop21h 40mKorean Air

Deal found 4/22

$2,127

Sat 5/105:40 pmPNH - IAD

1 stop33h 00mQatar Airways

Sat 5/249:00 pmIAD - PNH

1 stop32h 15mQatar Airways

Deal found 4/22

$2,180

Sat 5/311:15 amPNH - DCA

2 stops30h 37mPhilippine Airlines

Tue 7/12:54 pmDCA - PNH

2 stops46h 21mPhilippine Airlines

Deal found 4/22

$2,726

Sun 6/110:50 amPNH - DCA

2 stops45h 09mChina Airlines

Tue 7/16:58 pmDCA - PNH

2 stops34h 07mChina Airlines

Deal found 4/22

$1,596

Last-minute flights from Phnom Penh to Washington, D.C.
Discover last-minute flight deals from Phnom Penh to Washington, D.C.. Data last updated April 22, 2025 and is based on user searches.

Sat 5/1011:10 amPNH - IAD

2 stops32h 30mMultiple Airlines

Sat 5/2410:55 amIAD - PNH

2 stops43h 30mMultiple Airlines

Deal found 4/22

$1,237

Sat 5/1012:35 pmPNH - DCA

2 stops43h 23mEVA Air

Sat 5/246:38 pmDCA - PNH

2 stops29h 37mEVA Air

Deal found 4/22

$1,485

Sat 5/105:40 pmPNH - IAD

1 stop33h 00mQatar Airways

Sat 5/249:00 pmIAD - PNH

1 stop32h 15mQatar Airways

Deal found 4/22

$2,180

Sat 5/1011:30 pmPNH - IAD

1 stop22h 45mKorean Air

Sat 5/248:33 pmIAD - PNH

2 stops38h 37mKorean Air

Deal found 4/21

$2,495

Sat 5/311:15 amPNH - DCA

2 stops30h 37mPhilippine Airlines

Tue 7/12:54 pmDCA - PNH

2 stops46h 21mPhilippine Airlines

Deal found 4/22

$2,726

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phnom Penh to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Sat 5/10

11:10 am-8:40 am

2 stops32h 30m

Washington, D.C. Dulles Intl

Sat 5/24

10:55 am-5:25 pm

2 stops43h 30m

$1,237

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Sun 6/1

10:50 am-7:36 am

2 stops31h 46m

Washington, D.C. Dulles Intl

Tue 7/1

7:59 pm-4:05 pm

2 stops33h 06m

$1,393

Phnom PenhWashington, D.C.

PNH - DCA

PNHDCA

Phnom Penh Pochentong

Sat 5/10

12:35 pm-8:58 pm

2 stops43h 23m

Washington, D.C. Reagan-National

Sat 5/24

6:38 pm-11:15 am

2 stops29h 37m

$1,485

Phnom PenhWashington, D.C.

PNH - DCA

PNHDCA

Phnom Penh Pochentong

Sun 6/1

10:50 am-8:59 pm

2 stops45h 09m

Washington, D.C. Reagan-National

Tue 7/1

6:58 pm-4:05 pm

2 stops34h 07m

$1,596

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Sun 6/1

11:30 pm-11:15 am

1 stop22h 45m

Washington, D.C. Dulles Intl

Tue 7/1

1:30 pm-10:10 pm

1 stop21h 40m

$2,127

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Sat 5/10

5:40 pm-3:40 pm

1 stop33h 00m

Washington, D.C. Dulles Intl

Sat 5/24

9:00 pm-4:15 pm

1 stop32h 15m

$2,180

Phnom PenhWashington, D.C.

PNH - DCA

PNHDCA

Phnom Penh Pochentong

Sat 5/31

1:15 am-8:52 pm

2 stops30h 37m

Washington, D.C. Reagan-National

Tue 7/1

2:54 pm-12:15 am

2 stops46h 21m

$2,726

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Compare providers for flights from Phnom Penh to Washington, D.C.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Phnom Penh to Washington, D.C. in April.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust 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-Washington, D.C. flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Phnom Penh-Washington, D.C. flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Phnom Penh-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Phnom Penh-Washington, D.C. flights, Cheapflights users trust AranGrant the most. AranGrant 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-Washington, D.C. 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 Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

Cheapflights Insights

Everything you need to know about your flight from Phnom Penh to Washington, D.C.

What is the cheapest month to book a flight from Phnom Penh to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Phnom Penh to Washington, D.C. (average of $309). Flying from Phnom Penh to Washington, D.C. in June is currently the most expensive (average of $383). 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 WAS?

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

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

EVA Air

8.4

Very good

1,179 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

EVA Air

8.4

Very good

1,179 reviews

EVA Air

8.4

Very good

1,179 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Korean Air

8.4

Very good

1,062 reviews

EVA Air

8.4

Very good

1,179 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

China Airlines

8.3

Very good

727 reviews

EVA Air

8.4

Very good

1,179 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Qatar Airways

7.4

Good

3,560 reviews

EVA Air

8.4

Very good

1,179 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Philippine Airlines

7.2

Good

857 reviews

EVA Air

8.4

Very good

1,179 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Related info for your journey

What airport do you fly from for flights from Phnom Penh to Washington, D.C.?
Phnom Penh Pochentong (PNH) is the airport you will fly out of if you book a flight from Phnom Penh to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Pochentong; the airport handles an average of 0 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Phnom Penh airport to Washington, D.C.. It is only a 5.0 mi journey to Pochentong (PNH) from Phnom Penh’s city center.
What are the cheapest airlines flying from Phnom Penh to Washington, D.C. round-trip?
According to our current data, China Airlines ($1,393), EVA Air ($1,485), and Korean Air ($2,127) offers the cheapest pricing from Phnom Penh to Washington, D.C..
Can I find deals for flights from Phnom Penh to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Phnom Penh to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Phnom Penh to Washington, D.C.?
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, D.C..
Can I find deals for business class flights from Phnom Penh to Washington, D.C.?
Yes. Cheapflights offers flight deals from Phnom Penh to Washington, D.C. 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 Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Phnom Penh to Washington, D.C. (average of $309). Flying from Phnom Penh to Washington, D.C. in June is currently the most expensive (average of $383). 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

Arlington

Alexandria

Woodbridge

Fairfax

Tysons

Springfield

Rockville

Fredericksburg

Gaithersburg

Silver Spring

Linthicum Heights

Falls Church

Laurel

Easton

Herndon

Bowie

Towson

National Harbor

Oxon Hill

Reston

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Phnom Penh to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Air China	Cheapest$855	Average$937	FlexibilityNo cancel fee	On-time67%
Korean Air	Cheapest$1,550	Average$1,795	FlexibilityNo cancel fee	On-time81%

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$1,237+ Cheap flights from Phnom Penh (PNH) to Washington, D.C. (WAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Phnom Penh to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Phnom Penh to Washington, D.C.

Most accurate provider

Most trusted provider

Round-trip from

Find flight deals from Phnom Penh to Washington, D.C.

Cheapest flights from Phnom Penh to Washington, D.C.Explore the most affordable flight options available from Phnom Penh to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Explore the most affordable flight options available from Phnom Penh to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phnom Penh to Washington, D.C. that are best for you.

Compare providers for flights from Phnom Penh to Washington, D.C.

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 Washington, D.C. in April.

Best time to book a flight from Phnom Penh to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Phnom Penh with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Phnom Penh to Washington, D.C.

What is the cheapest month to book a flight from Phnom Penh to Washington, D.C.?

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

Find hourly flight availability from Phnom Penh to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 22, 2025.

Rainfall in Washington, D.C. by month

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

Temperature in Washington, D.C. by month

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

Reviews of airlines servicing Washington, D.C.

Related info for your journey

Find useful and relevant information for your journey from Phnom Penh to Washington, D.C.. 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, D.C.?

What are the cheapest airlines flying from Phnom Penh to Washington, D.C. round-trip?

Can I find deals for flights from Phnom Penh to Washington, D.C. that include hotel bookings?

How can I find direct flights from Phnom Penh to Washington, D.C.?

Can I find deals for business class flights from Phnom Penh to Washington, D.C.?

What is the cheapest month to book a flight from Phnom Penh to Washington, D.C.?

Traveling to a place near Phnom Penh?

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, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Phnom Penh to Washington, D.C.

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Cheapest flights from Phnom Penh to Washington, D.C.
Explore the most affordable flight options available from Phnom Penh to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.