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

According to our current data, Air China ($1,052), EVA Air ($1,369), and Korean Air ($1,782) offers the cheapest pricing from Phnom Penh to Washington, D.C..

What are the cheapest airlines to fly from Phnom Penh to Washington, D.C. one-way?

The cheapest airline one-way is Philippine Airlines, with whom users have recently found tickets for as low as $781. However, be on the lookout for offers from EVA Air and China Airlines, as they are both options that can get you from Phnom Penh to Washington, D.C. for a low price.

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.

$781+ Flights from Phnom Penh to Washington, D.C. - Compare & Save Big

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

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$1,052 (Ovago)
One-way from	$781 (oojo)

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

One-way flight 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 29, 2025.

Thu 6/512:15 pmPNH - IAD

2 stops42h 15mAir China

Fri 6/2011:00 pmIAD - PNH

3 stops49h 10mAir China

Deal found 4/29

$1,052

Wed 5/146:20 pmPNH - IAD

2 stops49h 20mMultiple Airlines

Thu 5/2210:55 amIAD - PNH

2 stops36h 05mMultiple Airlines

Deal found 4/28

$1,276

Thu 5/812:35 pmPNH - IAD

2 stops38h 25mEVA Air

Wed 5/217:25 pmIAD - PNH

2 stops28h 50mEVA Air

Deal found 4/29

$1,369

Fri 5/910:50 amPNH - DCA

2 stops45h 08mMultiple Airlines

Wed 5/148:59 amDCA - PNH

2 stops37h 51mMultiple Airlines

Deal found 4/29

$1,423

Thu 6/512:35 pmPNH - DCA

2 stops43h 24mEVA Air

Thu 6/196:58 pmDCA - PNH

2 stops29h 17mEVA Air

Deal found 4/29

$1,437

Thu 5/85:10 pmPNH - DCA

2 stops38h 48mChina Airlines

Wed 5/218:59 amDCA - PNH

2 stops37h 51mChina Airlines

Deal found 4/29

$1,473

Thu 5/81:15 amPNH - DCA

2 stops54h 45mPhilippine Airlines

Thu 5/158:15 amDCA - PNH

2 stops29h 00mPhilippine Airlines

Deal found 4/29

$1,747

Thu 6/511:30 pmPNH - IAD

1 stop22h 45mKorean Air

Fri 6/207:10 amIAD - PNH

2 stops28h 00mKorean Air

Deal found 4/29

$1,782

Wed 5/145:40 pmPNH - IAD

1 stop33h 00mQatar Airways

Thu 5/229:00 pmIAD - PNH

1 stop32h 15mQatar Airways

Deal found 4/28

$2,174

Thu 6/58:50 pmPNH - DCA

3 stops38h 09mEmirates

Fri 6/202:47 pmDCA - PNH

3 stops38h 48mEmirates

Deal found 4/29

$2,470

Thu 6/59:35 amPNH - DCA

2 stops46h 24mSingapore Airlines

Fri 6/209:59 amDCA - PNH

3 stops40h 11mSingapore Airlines

Deal found 4/29

$2,546

Thu 6/58:50 pmPNH - IAD

3 stops38h 08mEmirates

Fri 6/2012:45 pmIAD - PNH

3 stops40h 50mEmirates

Deal found 4/29

$2,584

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 29, 2025.

Thu 6/512:15 pmPNH - IAD

2 stops42h 15mAir China

Fri 6/2011:00 pmIAD - PNH

3 stops49h 10mAir China

Deal found 4/29

$1,052

Wed 5/146:20 pmPNH - IAD

2 stops49h 20mMultiple Airlines

Thu 5/2210:55 amIAD - PNH

2 stops36h 05mMultiple Airlines

Deal found 4/28

$1,276

Sat 5/1012:35 pmPNH - IAD

2 stops38h 25mEVA Air

Sat 5/246:15 pmIAD - PNH

2 stops30h 00mEVA Air

Deal found 4/28

$1,369

Thu 6/511:30 pmPNH - IAD

1 stop22h 45mKorean Air

Fri 6/207:10 amIAD - PNH

2 stops28h 00mKorean Air

Deal found 4/29

$1,782

Tue 5/131:15 amPNH - DCA

2 stops30h 37mPhilippine Airlines

Thu 5/228:15 amDCA - PNH

2 stops29h 00mPhilippine Airlines

Deal found 4/28

$1,789

Wed 5/145:40 pmPNH - IAD

1 stop33h 00mQatar Airways

Thu 5/229:00 pmIAD - PNH

1 stop32h 15mQatar Airways

Deal found 4/28

$2,174

Thu 6/58:50 pmPNH - DCA

3 stops38h 09mEmirates

Fri 6/202:47 pmDCA - PNH

3 stops38h 48mEmirates

Deal found 4/29

$2,470

Thu 6/59:35 amPNH - DCA

2 stops46h 24mSingapore Airlines

Fri 6/209:59 amDCA - PNH

3 stops40h 11mSingapore Airlines

Deal found 4/29

$2,546

Fri 5/910:50 amPNH - DCA

2 stops45h 08mMultiple Airlines

Wed 5/148:59 amDCA - PNH

2 stops37h 51mMultiple Airlines

Deal found 4/29

$1,423

Thu 6/512:35 pmPNH - DCA

2 stops43h 24mEVA Air

Thu 6/196:58 pmDCA - PNH

2 stops29h 17mEVA Air

Deal found 4/29

$1,437

Thu 6/511:55 pmPNH - DCA

2 stops28h 02mUnited Airlines

Thu 6/1912:00 pmDCA - PNH

3 stops47h 55mUnited Airlines

Deal found 4/29

$3,699

Thu 6/58:50 pmPNH - IAD

3 stops38h 08mEmirates

Fri 6/2012:45 pmIAD - PNH

3 stops40h 50mEmirates

Deal found 4/29

$2,584

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 29, 2025 and is based on user searches.

Thu 5/812:35 pmPNH - IAD

2 stops38h 25mEVA Air

Wed 5/217:25 pmIAD - PNH

2 stops28h 50mEVA Air

Deal found 4/29

$1,369

Thu 5/85:10 pmPNH - DCA

2 stops38h 48mChina Airlines

Wed 5/218:59 amDCA - PNH

2 stops37h 51mChina Airlines

Deal found 4/29

$1,473

Thu 5/81:15 amPNH - DCA

2 stops54h 45mPhilippine Airlines

Thu 5/158:15 amDCA - PNH

2 stops29h 00mPhilippine Airlines

Deal found 4/29

$1,747

Thu 5/88:50 pmPNH - IAD

3 stops38h 08mEmirates

Wed 5/215:10 pmIAD - PNH

3 stops36h 25mEmirates

Deal found 4/29

$2,912

Fri 5/910:50 amPNH - IAD

2 stops40h 10mMultiple Airlines

Wed 5/147:00 amIAD - PNH

2 stops39h 50mMultiple Airlines

Deal found 4/29

$1,304

Fri 5/910:50 amPNH - DCA

2 stops45h 08mMultiple Airlines

Wed 5/148:59 amDCA - PNH

2 stops37h 51mMultiple Airlines

Deal found 4/29

$1,423

Fri 5/912:35 pmPNH - DCA

2 stops43h 23mEVA Air

Thu 5/158:59 amDCA - PNH

2 stops39h 16mEVA Air

Deal found 4/29

$1,481

Fri 5/911:30 pmPNH - IAD

1 stop22h 45mKorean Air

Wed 5/141:15 pmIAD - PNH

1 stop21h 55mKorean Air

Deal found 4/29

$1,954

Fri 5/95:40 pmPNH - IAD

1 stop33h 00mQatar Airways

Thu 5/159:00 pmIAD - PNH

1 stop32h 15mQatar Airways

Deal found 4/29

$2,234

Fri 5/98:50 pmPNH - DCA

3 stops38h 09mEmirates

Wed 5/145:00 pmDCA - PNH

3 stops36h 35mEmirates

Deal found 4/29

$2,799

Wed 5/146:20 pmPNH - IAD

2 stops49h 20mMultiple Airlines

Thu 5/2210:55 amIAD - PNH

2 stops36h 05mMultiple Airlines

Deal found 4/28

$1,276

Wed 5/145:40 pmPNH - IAD

1 stop33h 00mQatar Airways

Thu 5/229:00 pmIAD - PNH

1 stop32h 15mQatar Airways

Deal found 4/28

$2,174

One-way flights from Phnom Penh to Washington, D.C.
Search for one-way flight options from Phnom Penh to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Fri 9/51:15 amPNH - DCA

2 stops30h 59mPhilippine Airlines

Deal found 4/27

$781

Sat 9/67:05 pmPNH - IAD

1 stop23h 35mMultiple Airlines

Deal found 4/27

$782

Sun 9/712:35 pmPNH - DCA

2 stops43h 24mEVA Air

Deal found 4/27

$834

Sun 7/2710:50 amPNH - DCA

2 stops45h 52mChina Airlines

Deal found 4/29

$979

Sun 9/711:30 pmPNH - IAD

1 stop22h 25mKorean Air

Deal found 4/27

$1,178

Sun 7/275:40 pmPNH - IAD

1 stop33h 00mQatar Airways

Deal found 4/29

$1,362

Sun 9/75:40 pmPNH - DCA

3 stops33h 39mQatar Airways

Deal found 4/27

$1,363

Sat 9/61:15 amPNH - IAD

2 stops50h 54mPhilippine Airlines

Deal found 4/27

$1,488

Mon 7/2812:10 amPNH - IAD

2 stops30h 41mChina Eastern

Deal found 4/29

$2,071

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

Thu 6/5

12:15 pm-7:30 pm

2 stops42h 15m

Washington, D.C. Dulles Intl

Fri 6/20

11:00 pm-11:10 am

3 stops49h 10m

$1,052

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Wed 5/14

6:20 pm-8:40 am

2 stops49h 20m

Washington, D.C. Dulles Intl

Thu 5/22

10:55 am-10:00 am

2 stops36h 05m

$1,276

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Sat 5/10

12:35 pm-4:00 pm

2 stops38h 25m

Washington, D.C. Dulles Intl

Sat 5/24

6:15 pm-11:15 am

2 stops30h 00m

$1,369

Phnom PenhWashington, D.C.

PNH - DCA

PNHDCA

Phnom Penh Pochentong

Fri 5/9

10:50 am-8:58 pm

2 stops45h 08m

Washington, D.C. Reagan-National

Wed 5/14

8:59 am-9:50 am

2 stops37h 51m

$1,423

Phnom PenhWashington, D.C.

PNH - DCA

PNHDCA

Phnom Penh Pochentong

Thu 6/5

12:35 pm-8:59 pm

2 stops43h 24m

Washington, D.C. Reagan-National

Thu 6/19

6:58 pm-11:15 am

2 stops29h 17m

$1,437

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Thu 6/5

11:30 pm-11:15 am

1 stop22h 45m

Washington, D.C. Dulles Intl

Fri 6/20

7:10 am-10:10 pm

2 stops28h 00m

$1,782

Phnom PenhWashington, D.C.

PNH - DCA

PNHDCA

Phnom Penh Pochentong

Tue 5/13

1:15 am-8:52 pm

2 stops30h 37m

Washington, D.C. Reagan-National

Thu 5/22

8:15 am-12:15 am

2 stops29h 00m

$1,789

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Wed 5/14

5:40 pm-3:40 pm

1 stop33h 00m

Washington, D.C. Dulles Intl

Thu 5/22

9:00 pm-4:15 pm

1 stop32h 15m

$2,174

Phnom PenhWashington, D.C.

PNH - DCA

PNHDCA

Phnom Penh Pochentong

Thu 6/5

8:50 pm-11:59 pm

3 stops38h 09m

Washington, D.C. Reagan-National

Fri 6/20

2:47 pm-4:35 pm

3 stops38h 48m

$2,470

Phnom PenhWashington, D.C.

PNH - DCA

PNHDCA

Phnom Penh Pochentong

Thu 6/5

9:35 am-8:59 pm

2 stops46h 24m

Washington, D.C. Reagan-National

Fri 6/20

9:59 am-1:10 pm

3 stops40h 11m

$2,546

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 24 results

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 $373). 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.

See what other customers who have flown with EVA Air, Korean Air and China Airlines from Phnom Penh to Washington, D.C. 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

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

EVA Air

8.4

Very good

1,186 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Korean Air

8.4

Very good

1,066 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

China Airlines

8.3

Very good

732 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Singapore Airlines

8.1

Very good

1,292 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Emirates

8.0

Very good

3,215 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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, Air China ($1,052), EVA Air ($1,369), and Korean Air ($1,782) offers the cheapest pricing from Phnom Penh to Washington, D.C..
What are the cheapest airlines to fly from Phnom Penh to Washington, D.C. one-way?
The cheapest airline one-way is Philippine Airlines, with whom users have recently found tickets for as low as $781. However, be on the lookout for offers from EVA Air and China Airlines, as they are both options that can get you from Phnom Penh to Washington, D.C. for a low price.
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 $373). 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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Woodbridge

Tysons

Fairfax

Springfield

Rockville

Fredericksburg

Silver Spring

Gaithersburg

Linthicum Heights

Falls Church

Laurel

Easton

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Herndon

Bowie

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$1,797	FlexibilityNo cancel fee	On-time81%

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$781+ Cheap flights from Phnom Penh (PNH) to Washington, D.C. (WAS)

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 9/5. 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

One-way 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 29, 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 29, 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 29, 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.

See what other customers who have flown with EVA Air, Korean Air and China Airlines from Phnom Penh to Washington, D.C. have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

What are the cheapest airlines to fly from Phnom Penh to Washington, D.C. one-way?

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?

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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 29, 2025.