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Cheap flights from Washington, D.C. to Phnom Penh from $503

This is the cheapest one-way 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 9/7. 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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Easily compare round-trip flights from Washington, D.C. to Phnom Penh

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Washington, D.C. to Phnom Penh by changing tabs
Multiple Airlines
Sep 9
IAD5:38 pmWashington, D.C. Dulles Intl
29h 37m
2 stops
PNH10:15 amPhnom Penh Pochentong
Sep 30
PNH11:25 amPhnom Penh Pochentong
39h 53m
2 stops
IAD4:18 pmWashington, D.C. Dulles Intl
Etihad Airways
Oct 1
IAD10:00 pmWashington, D.C. Dulles Intl
48h 30m
2 stops
PNH9:30 amPhnom Penh Pochentong
Oct 14
PNH3:15 pmPhnom Penh Pochentong
36h 20m
2 stops
IAD4:35 pmWashington, D.C. Dulles Intl
Singapore Airlines
Sep 8
IAD6:03 pmWashington, D.C. Dulles Intl
56h 02m
2 stops
PNH1:05 pmPhnom Penh Pochentong
Sep 22
PNH6:40 pmPhnom Penh Pochentong
55h 33m
2 stops
IAD3:13 pmWashington, D.C. Dulles Intl
Malaysia Airlines
Nov 20
IAD8:05 pmWashington, D.C. Dulles Intl
33h 25m
2 stops
PNH5:30 pmPhnom Penh Pochentong
Dec 4
PNH11:10 amPhnom Penh Pochentong
40h 45m
2 stops
IAD3:55 pmWashington, D.C. Dulles Intl
Cathay Pacific
Nov 1
DCA8:40 amWashington, D.C. Reagan-National
46h 05m
2 stops
PNH5:45 pmPhnom Penh Pochentong
Nov 25
PNH11:45 amPhnom Penh Pochentong
43h 14m
2 stops
DCA6:59 pmWashington, D.C. Reagan-National
Philippine Airlines
Nov 20
IAD7:00 amWashington, D.C. Dulles Intl
52h 45m
2 stops
PNH11:45 pmPhnom Penh Pochentong
Dec 3
PNH12:45 amPhnom Penh Pochentong
51h 16m
2 stops
IAD4:01 pmWashington, D.C. Dulles Intl

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

If you're looking for one-way flights from Washington, D.C. to Phnom Penh, view some of our deals below provided by Cathay Pacific, Korean Air and Singapore Airlines
Multiple Airlines
Sep 7
IAD7:10 pmWashington, D.C. Dulles Intl
54h 35m
3 stops
PNH12:45 pmPhnom Penh Pochentong
Singapore Airlines
Jul 25
BWI6:30 amBaltimore/Washington
47h 50m
3 stops
PNH5:20 pmPhnom Penh Pochentong
Cathay Pacific
Jul 25
BWI11:34 amBaltimore/Washington
42h 36m
2 stops
PNH5:10 pmPhnom Penh Pochentong

Singapore Airlines flights from Washington, D.C. to Phnom Penh

Our best Singapore Airlines deals on Washington, D.C. to Phnom Penh flight tickets
Singapore Airlines
Sep 8
IAD6:03 pmWashington, D.C. Dulles Intl
56h 02m
2 stops
PNH1:05 pmPhnom Penh Pochentong
Sep 22
PNH6:40 pmPhnom Penh Pochentong
55h 33m
2 stops
IAD3:13 pmWashington, D.C. Dulles Intl
Singapore Airlines
Sep 8
IAD5:38 pmWashington, D.C. Dulles Intl
56h 27m
3 stops
PNH1:05 pmPhnom Penh Pochentong
Sep 22
PNH6:40 pmPhnom Penh Pochentong
55h 33m
2 stops
IAD3:13 pmWashington, D.C. Dulles Intl
Singapore Airlines
Sep 9
IAD5:38 pmWashington, D.C. Dulles Intl
51h 52m
3 stops
PNH8:30 amPhnom Penh Pochentong
Sep 30
PNH9:25 amPhnom Penh Pochentong
47h 05m
2 stops
IAD9:30 pmWashington, D.C. Dulles Intl

Korean Air flights from Washington, D.C. to Phnom Penh

Our best Korean Air deals on Washington, D.C. to Phnom Penh flight tickets
Korean Air
Nov 12
IAD11:50 amWashington, D.C. Dulles Intl
22h 35m
1 stop
PNH10:25 pmPhnom Penh Pochentong
Nov 26
PNH11:45 pmPhnom Penh Pochentong
22h 05m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Korean Air
Nov 1
IAD12:50 pmWashington, D.C. Dulles Intl
22h 35m
1 stop
PNH10:25 pmPhnom Penh Pochentong
Nov 25
PNH11:45 pmPhnom Penh Pochentong
22h 05m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Korean Air
Nov 20
IAD11:50 amWashington, D.C. Dulles Intl
22h 35m
1 stop
PNH10:25 pmPhnom Penh Pochentong
Dec 4
PNH11:45 pmPhnom Penh Pochentong
22h 05m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl

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

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

September. The cheapest time of year to fly to Phnom Penh from Washington, D.C. is September. Most expensive is December

What is the cheapest day to depart Washington, D.C. for Phnom Penh?

Monday. The cheapest day of the week is typically Monday. The most expensive is typically Thursday

When is the cheapest time to fly from Washington, D.C. to Phnom Penh?

In the evening. Washington, D.C. to Phnom Penh flights are approximately 17% more expensive at noon than in the evening

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

Singapore Airlines. Etihad Airways, Korean Air, and Qatar Airways are the most popular carriers operating from Washington, D.C. to Phnom Penh

What is the cheapest Washington, D.C. to Phnom Penh flight route?

Washington, D.C. Dulles Intl - Phnom Penh Pochentong. Fly from Washington, D.C. Dulles Intl to Phnom Penh Pochentong for the best Washington, D.C. - Phnom Penh flight prices

How far in advance should you book Washington, D.C. to Phnom Penh flights?

22 days before. The cheapest time to buy a flight from Washington, D.C. to Phnom Penh is approximately 22 days to departure

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

Best Price Found

$503

Fastest flight time

21h 30m

Direct flights

None

Airports in Phnom Penh

1 airport
The best one-way flight to Phnom Penh from Washington, D.C. in the past 72 hours is $503. The best round-trip flight deal from Washington, D.C. to Phnom Penh found on momondo in the last 72 hours is $1,054.
The fastest flight from Washington, D.C. to Phnom Penh takes 21h 30m
There are no direct flights from Washington, D.C. to Phnom Penh. Popular non-direct routes for this connection are Baltimore/Washington Airport - Phnom Penh Pochentong Airport, Washington, D.C. Dulles Intl Airport - Phnom Penh Pochentong Airport and Washington, D.C. Reagan-National Airport - Phnom Penh Pochentong Airport.
There is 1 airport near Phnom Penh: Phnom Penh Pochentong (PNH)

  • 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. 21h 30m 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?

  • 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.


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
Etihad AirwaysPriceFrom $1,044Free CancellationRating
7.3
1,344 reviews
Search Etihad Airways flights
Singapore AirlinesPriceFrom $1,117Free CancellationRating
8.2
1,424 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom $1,240Free CancellationRating
7.7
4,339 reviews
Search Qatar Airways flights
Korean AirPriceFrom $1,261Free CancellationRating
8.5
1,149 reviews
Search Korean Air 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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