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

According to our current data, Air China ($1,180), EVA Air ($1,342), and Korean Air ($1,485) 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 Air China, with whom users have recently found tickets for as low as $694. However, be on the lookout for offers from Philippine Airlines and Singapore 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 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 April is currently the most expensive (average of $337). 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 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.

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.

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).

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.

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.

$642+ Flights from Phnom Penh to Washington, D.C.

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

Round-trip from	$1,180 (Air China)
One-way from	$642 (Kiwi.com)

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

Search Deals

One-way flight from Phnom Penh Pochentong to Washington, D.C. (WAS)

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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 July 25, 2025.

Thu 11/612:25 amPNH - IAD

1 stop30h 05mAir China

Tue 11/1110:00 pmIAD - PNH

1 stop37h 10mAir China

Deal found 7/21

$1,180

Sat 11/112:45 pmPNH - IAD

2 stops29h 38mEVA Air

Wed 3/257:01 pmIAD - PNH

2 stops29h 24mEVA Air

Deal found 7/22

$1,342

Sat 11/112:45 pmPNH - DCA

2 stops43h 15mEVA Air

Wed 3/259:30 amDCA - PNH

2 stops38h 55mEVA Air

Deal found 7/22

$1,371

Wed 10/1512:35 pmPNH - IAD

2 stops46h 48mMultiple Airlines

Tue 3/311:50 amIAD - PNH

1 stop22h 35mMultiple Airlines

Deal found 7/24

$1,413

Sat 11/111:45 pmPNH - IAD

1 stop22h 05mKorean Air

Wed 3/2512:50 pmIAD - PNH

1 stop22h 35mKorean Air

Deal found 7/22

$1,485

Tue 10/1411:55 pmPNH - IAD

2 stops29h 44mAsiana Airlines

Wed 4/156:00 amIAD - PNH

2 stops29h 55mAsiana Airlines

Deal found 7/24

$1,538

Thu 11/61:15 amPNH - DCA

2 stops31h 29mPhilippine Airlines

Tue 11/115:00 pmDCA - PNH

2 stops43h 15mPhilippine Airlines

Deal found 7/23

$1,542

Fri 11/78:35 pmPNH - IAD

2 stops47h 35mEmirates

Tue 11/1110:30 amIAD - PNH

2 stops42h 05mEmirates

Deal found 7/21

$1,617

Fri 11/711:45 pmPNH - DCA

2 stops35h 34mDelta

Tue 11/116:00 amDCA - PNH

2 stops28h 25mDelta

Deal found 7/23

$1,688

Tue 10/148:30 amPNH - IAD

1 stop42h 40mEtihad Airways

Wed 4/1510:05 pmIAD - PNH

1 stop21h 40mEtihad Airways

Deal found 7/24

$1,697

Fri 10/311:15 amPNH - DCA

2 stops30h 44mMultiple Airlines

Wed 3/259:30 amDCA - PNH

2 stops46h 05mMultiple Airlines

Deal found 7/22

$1,785

Mon 10/136:55 pmPNH - IAD

2 stops31h 30mSWISS

Sat 4/188:45 pmIAD - PNH

2 stops48h 55mSWISS

Deal found 7/24

$1,824

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 July 25, 2025.

Thu 11/612:25 amPNH - IAD

1 stop30h 05mAir China

Tue 11/1110:00 pmIAD - PNH

1 stop37h 10mAir China

Deal found 7/21

$1,180

Sat 11/112:45 pmPNH - IAD

2 stops29h 38mEVA Air

Wed 3/257:01 pmIAD - PNH

2 stops29h 24mEVA Air

Deal found 7/22

$1,342

Wed 10/1512:35 pmPNH - IAD

2 stops46h 48mMultiple Airlines

Tue 3/311:50 amIAD - PNH

1 stop22h 35mMultiple Airlines

Deal found 7/24

$1,413

Sat 11/111:45 pmPNH - IAD

1 stop22h 05mKorean Air

Wed 3/2512:50 pmIAD - PNH

1 stop22h 35mKorean Air

Deal found 7/22

$1,485

Tue 10/1411:55 pmPNH - IAD

2 stops29h 44mAsiana Airlines

Wed 4/156:00 amIAD - PNH

2 stops29h 55mAsiana Airlines

Deal found 7/24

$1,538

Thu 11/61:15 amPNH - DCA

2 stops31h 29mPhilippine Airlines

Tue 11/115:00 pmDCA - PNH

2 stops43h 15mPhilippine Airlines

Deal found 7/23

$1,542

Fri 11/78:35 pmPNH - IAD

2 stops47h 35mEmirates

Tue 11/1110:30 amIAD - PNH

2 stops42h 05mEmirates

Deal found 7/22

$1,617

Fri 11/711:45 pmPNH - DCA

2 stops35h 34mDelta

Tue 11/116:00 amDCA - PNH

2 stops28h 25mDelta

Deal found 7/23

$1,688

Tue 10/148:30 amPNH - IAD

1 stop42h 40mEtihad Airways

Wed 4/1510:05 pmIAD - PNH

1 stop21h 40mEtihad Airways

Deal found 7/24

$1,697

Mon 10/136:55 pmPNH - IAD

2 stops31h 30mSWISS

Sat 4/188:45 pmIAD - PNH

2 stops48h 55mSWISS

Deal found 7/24

$1,824

Fri 11/75:10 pmPNH - DCA

3 stops33h 22mQatar Airways

Tue 11/115:45 pmDCA - PNH

3 stops33h 40mQatar Airways

Deal found 7/23

$2,314

Sat 11/112:45 pmPNH - DCA

2 stops43h 15mEVA Air

Wed 3/259:30 amDCA - PNH

2 stops38h 55mEVA Air

Deal found 7/22

$1,371

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 July 25, 2025 and is based on user searches.

Fri 8/11:15 amPNH - DCA

2 stops30h 14mPhilippine Airlines

Sun 8/105:30 pmDCA - PNH

2 stops43h 45mPhilippine Airlines

Deal found 7/22

$3,016

Sat 8/211:10 amPNH - IAD

2 stops32h 30mMultiple Airlines

Sun 8/1010:55 amIAD - PNH

2 stops43h 30mMultiple Airlines

Deal found 7/22

$1,531

Sat 8/212:35 pmPNH - DCA

2 stops44h 07mEVA Air

Sun 8/106:58 pmDCA - PNH

2 stops29h 17mEVA Air

Deal found 7/22

$1,795

Sat 8/211:30 pmPNH - IAD

1 stop22h 45mKorean Air

Sun 8/101:30 pmIAD - PNH

1 stop21h 40mKorean Air

Deal found 7/22

$2,571

Thu 8/2112:35 pmPNH - DCA

2 stops43h 24mEVA Air

Thu 8/288:59 amDCA - PNH

2 stops39h 16mEVA Air

Deal found 7/22

$1,433

Thu 8/2112:35 pmPNH - IAD

2 stops29h 57mEVA Air

Thu 8/287:00 amIAD - PNH

2 stops41h 15mEVA Air

Deal found 7/22

$1,435

Thu 8/2111:30 pmPNH - IAD

1 stop22h 45mKorean Air

Thu 8/281:30 pmIAD - PNH

1 stop21h 40mKorean Air

Deal found 7/22

$1,699

Thu 8/218:50 pmPNH - DCA

3 stops38h 04mEmirates

Thu 8/282:59 pmDCA - PNH

3 stops38h 36mEmirates

Deal found 7/22

$2,211

Thu 8/215:40 pmPNH - DCA

3 stops39h 40mMultiple Airlines

Thu 8/286:30 amDCA - PNH

2 stops40h 45mMultiple Airlines

Deal found 7/22

$2,215

Thu 8/218:50 pmPNH - IAD

3 stops38h 05mEmirates

Thu 8/2812:50 pmIAD - PNH

3 stops40h 45mEmirates

Deal found 7/22

$2,270

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 July 25, 2025.

Thu 9/49:45 amPNH - IAD

2 stops32h 55mMultiple Airlines

Deal found 7/22

$642

Tue 9/212:20 pmPNH - DCA

2 stops43h 39mMultiple Airlines

Deal found 7/22

$643

Mon 12/2212:25 amPNH - IAD

1 stop30h 05mAir China

Deal found 7/22

$694

Sat 9/61:15 amPNH - DCA

2 stops54h 44mPhilippine Airlines

Deal found 7/22

$872

Wed 9/32:05 pmPNH - DCA

2 stops41h 54mSingapore Airlines

Deal found 7/22

$937

Mon 9/86:55 pmPNH - IAD

2 stops46h 36mAir Canada

Deal found 7/22

$943

Mon 10/65:10 pmPNH - IAD

2 stops53h 40mChina Airlines

Deal found 7/24

$949

Thu 10/96:55 pmPNH - IAD

2 stops40h 28mSingapore Airlines

Deal found 7/24

$967

Tue 12/237:55 amPNH - IAD

1 stop44h 10mEtihad Airways

Deal found 7/22

$1,026

Sat 8/1612:35 pmPNH - IAD

2 stops38h 50mEVA Air

Deal found 7/23

$1,039

Fri 9/511:30 pmPNH - IAD

1 stop22h 25mKorean Air

Deal found 7/22

$1,103

Sun 10/55:40 pmPNH - IAD

2 stops33h 00mQatar Airways

Deal found 7/24

$1,197

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 11/6

12:25 am-6:30 pm

1 stop30h 05m

Washington, D.C. Dulles Intl

Tue 11/11

10:00 pm-11:10 pm

1 stop37h 10m

$1,180

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Sat 11/1

12:45 pm-7:23 am

2 stops29h 38m

Washington, D.C. Dulles Intl

Wed 3/25

7:01 pm-11:25 am

2 stops29h 24m

$1,342

Phnom PenhWashington, D.C.

PNH - DCA

PNHDCA

Phnom Penh Pochentong

Sat 11/1

12:45 pm-9:00 pm

2 stops43h 15m

Washington, D.C. Reagan-National

Wed 3/25

9:30 am-11:25 am

2 stops38h 55m

$1,371

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Wed 10/15

12:35 pm-12:23 am

2 stops46h 48m

Washington, D.C. Dulles Intl

Tue 3/3

11:50 am-10:25 pm

1 stop22h 35m

$1,413

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Sat 11/1

11:45 pm-10:50 am

1 stop22h 05m

Washington, D.C. Dulles Intl

Wed 3/25

12:50 pm-10:25 pm

1 stop22h 35m

$1,485

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Tue 10/14

11:55 pm-6:39 pm

2 stops29h 44m

Washington, D.C. Dulles Intl

Wed 4/15

6:00 am-10:55 pm

2 stops29h 55m

$1,538

Phnom PenhWashington, D.C.

PNH - DCA

PNHDCA

Phnom Penh Pochentong

Thu 11/6

1:15 am-8:44 pm

2 stops31h 29m

Washington, D.C. Reagan-National

Tue 11/11

5:00 pm-12:15 am

2 stops43h 15m

$1,542

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Fri 11/7

8:35 pm-8:10 am

2 stops47h 35m

Washington, D.C. Dulles Intl

Tue 11/11

10:30 am-4:35 pm

2 stops42h 05m

$1,617

Phnom PenhWashington, D.C.

PNH - DCA

PNHDCA

Phnom Penh Pochentong

Fri 11/7

11:45 pm-11:19 pm

2 stops35h 34m

Washington, D.C. Reagan-National

Tue 11/11

6:00 am-10:25 pm

2 stops28h 25m

$1,688

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Tue 10/14

8:30 am-4:10 pm

1 stop42h 40m

Washington, D.C. Dulles Intl

Wed 4/15

10:05 pm-6:45 am

1 stop21h 40m

$1,697

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 30 results

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 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.

Reviews of airlines servicing Washington, D.C.

Read through reviews of airlines operating flights from Phnom Penh to Washington, D.C., such as EVA Air, Korean Air, and China Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,219 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

EVA Air

8.4

Very good

1,219 reviews

EVA Air

8.4

Very good

1,219 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Korean Air

8.4

Very good

1,114 reviews

EVA Air

8.4

Very good

1,219 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

China Airlines

8.3

Very good

750 reviews

EVA Air

8.4

Very good

1,219 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Asiana Airlines

8.2

Very good

463 reviews

EVA Air

8.4

Very good

1,219 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Emirates

8.1

Very good

3,290 reviews

EVA Air

8.4

Very good

1,219 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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 ($1,180), EVA Air ($1,342), and Korean Air ($1,485) 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 Air China, with whom users have recently found tickets for as low as $694. However, be on the lookout for offers from Philippine Airlines and Singapore 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 April is currently the most expensive (average of $337). 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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Silver Spring

Fredericksburg

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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$1,476	Average$1,793	FlexibilityNo cancel fee	On-time81%

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$642+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.

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

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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 July 25, 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 July 25, 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.

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 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 July 25, 2025.

Reviews of airlines servicing Washington, D.C.

Read through reviews of airlines operating flights from Phnom Penh to Washington, D.C., such as EVA Air, Korean Air, and China Airlines. 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 Washington, D.C.?

Browse thousands of different options on Cheapflights for your next trip

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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 July 25, 2025.