What airlines fly to Phnom Penh?

Korean Air, Delta and Asiana Airlines are the top three most popular airlines that fly to Phnom Penh from Washington, D.C. according to our data. Korean Air is the first choice among our users, with 67% of people opting to fly with this airline when traveling to Phnom Penh. Keep in mind that there are 3 different airlines that fly to Phnom Penh on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Washington, D.C. to Phnom Penh Pochentong?

British Airways is the most popular carrier operating from Washington, D.C. to Phnom Penh Pochentong

When did momondo last update prices for flights from Washington, D.C. to Phnom Penh Pochentong Airport?

Prices for flights from Washington, D.C. to Phnom Penh Pochentong Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Washington, D.C. to Phnom Penh Pochentong Airport?

The number of operators available for flights from Washington, D.C. to Phnom Penh Pochentong Airport is 2 as of March 2026.

How old do you have to be to fly from Washington, D.C. to Phnom Penh Pochentong Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Phnom Penh Pochentong Airport.

What documentation or ID do you need to fly to Phnom Penh Pochentong Airport?

The travel and health documents required for your trip to Phnom Penh Pochentong Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Phnom Penh Pochentong Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$2,507 Cheap Flights from Washington, D.C. to Phnom Penh in 2026

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Find the cheapest flights from Washington, D.C. to Phnom Penh

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 pm - 10:00 am

IAD

PNH

51h 45m

2 stops

6:20 pm - 5:25 pm

PNH

IAD

34h 05m

2 stops

$3,008British Airways

Wed, Jul 8 - Wed, Jul 29

9:30 pm - 10:00 am

BWI

PNH

49h 30m

2 stops

6:20 pm - 7:40 pm

PNH

BWI

36h 20m

2 stops

$3,113British Airways

Wed, Jul 8 - Wed, Jul 29

7:15 pm - 10:00 am

IAD

PNH

51h 45m

2 stops

6:20 pm - 8:20 pm

PNH

IAD

37h 00m

2 stops

$3,209British Airways

Thu, Jul 30 - Tue, Aug 11

5:40 pm - 10:00 am

IAD

PNH

53h 20m

2 stops

6:20 pm - 7:00 pm

PNH

IAD

35h 40m

3 stops

$3,218British Airways

Wed, Jul 8 - Wed, Jul 29

7:15 pm - 10:00 am

IAD

PNH

51h 45m

2 stops

6:20 pm - 7:15 pm

PNH

IAD

35h 55m

3 stops

$3,437British Airways

Thu, Jul 30 - Tue, Aug 11

5:40 pm - 10:00 am

IAD

PNH

53h 20m

2 stops

6:20 pm - 7:40 pm

PNH

IAD

36h 20m

2 stops

$4,714British Airways

Thu, Jul 30 - Tue, Aug 11

7:15 pm - 10:00 am

IAD

PNH

51h 45m

2 stops

6:20 pm - 7:15 pm

PNH

IAD

35h 55m

3 stops

$4,814British Airways

Thu, Jul 30 - Tue, Aug 11

5:40 pm - 10:00 am

IAD

PNH

53h 20m

2 stops

6:20 pm - 3:50 pm

PNH

IAD

32h 30m

2 stops

$4,989British Airways

Thu, Jul 30 - Tue, Aug 11

5:40 pm - 10:00 am

IAD

PNH

53h 20m

2 stops

6:20 pm - 3:45 pm

PNH

IAD

32h 25m

3 stops

$5,089British Airways

Thu, Jul 30 - Tue, Aug 11

7:15 pm - 10:00 am

IAD

PNH

27h 45m

3 stops

6:20 pm - 7:15 pm

PNH

IAD

35h 55m

3 stops

$8,742Multiple Airlines

Thu, Jul 30 - Tue, Aug 11

British Airways flights from Washington, D.C. to Phnom Penh

Our best British Airways deals on Washington, D.C. to Phnom Penh flight tickets

British Airways

Jul 8

IAD7:15 pmWashington, D.C. Dulles Intl

51h 45m

2 stops

PNH10:00 amPhnom Penh Pochentong

Jul 29

PNH6:20 pmPhnom Penh Pochentong

34h 05m

2 stops

IAD5:25 pmWashington, D.C. Dulles Intl

$3,008

British Airways

Jul 8

BWI9:30 pmBaltimore/Washington

49h 30m

2 stops

PNH10:00 amPhnom Penh Pochentong

Jul 29

PNH6:20 pmPhnom Penh Pochentong

36h 20m

2 stops

BWI7:40 pmBaltimore/Washington

$3,113

British Airways

Jul 30

IAD7:15 pmWashington, D.C. Dulles Intl

51h 45m

2 stops

PNH10:00 amPhnom Penh Pochentong

Aug 11

PNH6:20 pmPhnom Penh Pochentong

37h 00m

2 stops

IAD8:20 pmWashington, D.C. Dulles Intl

$3,209

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Wed 7/8

7:15 pm-10:00 am

2 stops51h 45m

Phnom Penh Pochentong

Wed 7/29

6:20 pm-5:25 pm

2 stops34h 05m

$3,008

BaltimorePhnom Penh

BWI - PNH

BWIPNH

Baltimore/Washington

Wed 7/8

9:30 pm-10:00 am

2 stops49h 30m

Phnom Penh Pochentong

Wed 7/29

6:20 pm-7:40 pm

2 stops36h 20m

$3,113

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Thu 7/30

7:15 pm-10:00 am

2 stops51h 45m

Phnom Penh Pochentong

Tue 8/11

6:20 pm-8:20 pm

2 stops37h 00m

$3,209

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Wed 7/8

5:40 pm-10:00 am

2 stops53h 20m

Phnom Penh Pochentong

Wed 7/29

6:20 pm-7:00 pm

3 stops35h 40m

$3,218

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Thu 7/30

7:15 pm-10:00 am

2 stops51h 45m

Phnom Penh Pochentong

Tue 8/11

6:20 pm-7:15 pm

3 stops35h 55m

$3,437

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Thu 7/30

5:40 pm-10:00 am

2 stops53h 20m

Phnom Penh Pochentong

Tue 8/11

6:20 pm-7:40 pm

2 stops36h 20m

$4,714

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Thu 7/30

7:15 pm-10:00 am

2 stops51h 45m

Phnom Penh Pochentong

Tue 8/11

6:20 pm-7:15 pm

3 stops35h 55m

$4,814

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Thu 7/30

5:40 pm-10:00 am

2 stops53h 20m

Phnom Penh Pochentong

Tue 8/11

6:20 pm-3:50 pm

2 stops32h 30m

$4,989

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Thu 7/30

5:40 pm-10:00 am

2 stops53h 20m

Phnom Penh Pochentong

Tue 8/11

6:20 pm-3:45 pm

3 stops32h 25m

$5,089

Quickest round-trip

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Thu 7/30

7:15 pm-10:00 am

3 stops27h 45m

Phnom Penh Pochentong

Tue 8/11

6:20 pm-7:15 pm

3 stops35h 55m

$8,742

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to Phnom Penh

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on Washington, D.C. to Phnom Penh flights?

You could potentially save up to 11% on your flight if you consider stops on a Washington, D.C. to Phnom Penh flight.

When to book flights from Washington, D.C. to Phnom Penh

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Phnom Penh according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to Phnom Penh (WAS to PNH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Phnom Penh

Fastest flight time	32h 25m
Direct flights	None

The fastest flight from Washington, D.C. to Phnom Penh takes 32h 25m

There are no direct flights from Washington, D.C. to Phnom Penh. There are no popular flight routes from Washington, D.C. to Phnom Penh.

Search flight deals

How far is Washington, D.C. to Phnom Penh Pochentong by plane?
The distance between Washington, D.C. and Phnom Penh Pochentong is about 8941.3 mi. 32h 25m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. to Phnom Penh Pochentong Airport?
Prices for flights from Washington, D.C. to Phnom Penh Pochentong Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to Phnom Penh Pochentong Airport?
The number of operators available for flights from Washington, D.C. to Phnom Penh Pochentong Airport is 2 as of March 2026.
How old do you have to be to fly from Washington, D.C. to Phnom Penh Pochentong Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Phnom Penh Pochentong Airport.
What documentation or ID do you need to fly to Phnom Penh Pochentong Airport?
The travel and health documents required for your trip to Phnom Penh Pochentong Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Phnom Penh Pochentong Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Washington, D.C. to Phnom Penh?
Based on momondo bookings for flights between Washington, D.C. and Phnom Penh, the leading airline is Korean Air, making up 100% of the total bookings.

Best airlines flying from Washington, D.C. to Phnom Penh

Compare and see reviews for airlines that fly from Washington, D.C. to Phnom Penh with momondo

Airline	Rating	Free Cancellation	Price
Korean Air	PriceFrom $1,254	Free Cancellation	Rating 8.4 1,205 reviews		Search Korean Air flights
Asiana Airlines	PriceFrom $1,415	Free Cancellation	Rating 8.1 506 reviews		Search Asiana Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Phnom Penh?

Finding the right flight to Phnom Penh from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Phnom Penh quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Phnom Penh with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Phnom Penh flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Phnom Penh?

momondo helps you find the best flight between Washington, D.C. and Phnom Penh by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Phnom Penh right now. Can momondo alert me if prices change?

Price alerts on flights to Phnom Penh from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Washington, D.C. to Phnom Penh from $3,008

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Phnom Penh departing on 7/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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British Airways flights from Washington, D.C. to Phnom Penh

Our best British Airways deals on Washington, D.C. to Phnom Penh flight tickets

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See travel insights to Phnom Penh from

How to get the cheapest flight ticket from Washington, D.C. to Phnom Penh

Can stopping save me money on Washington, D.C. to Phnom Penh flights?

What is the cheapest airline that flies from Washington, D.C. to Phnom Penh Pochentong?

What airlines fly to Phnom Penh?

When to book flights from Washington, D.C. to Phnom Penh

Cheap Washington, D.C. to Phnom Penh (WAS to PNH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Phnom Penh

Fastest flight time

Direct flights

Best airlines flying from Washington, D.C. to Phnom Penh

Compare and see reviews for airlines that fly from Washington, D.C. to Phnom Penh with momondo

Why use momondo?

An easier way to manage your Phnom Penh trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Cambodia

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List of cabin classes available on flights landing in Phnom Penh. Availability may vary depending on flight origin and airline.

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