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Cheap flights from Washington, D.C. to Phnom Penh from $545

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 2/25. 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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Find the cheapest flights from Washington, D.C. to Phnom Penh

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. to Phnom Penh that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. to Phnom Penh.

Cheap last minute flights

Planning a quick getaway from Washington, D.C. to Phnom Penh? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Phnom Penh, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Washington, D.C. to Phnom Penh

Find recent round-trip train or bus tickets from Washington, D.C. to Phnom Penh.

All round-trip flight deals to Phnom Penh

The cheapest plane tickets to Phnom Penh found on KAYAK recently.
1:30 pm - 6:25 pmIAD-PNH
40h 55m2 stops
9:30 pm - 12:15 pmPNH-IAD
50h 45m2 stops
$1,064
Find Deal
Sun, Feb 2 - Sun, Feb 9
7:00 am - 10:55 pmIAD-PNH
52h 55m2 stops
11:55 pm - 7:43 amPNH-IAD
42h 48m2 stops
$1,152Asiana Airlines
Find Deal
Wed, Apr 23 - Wed, Apr 30
9:29 am - 5:45 pmDCA-PNH
44h 16m2 stops
11:45 am - 9:32 amPNH-DCA
33h 47m2 stops
$1,289Cathay Pacific
Find Deal
Mon, Jan 20 - Mon, Feb 10
6:54 pm - 5:40 pmBWI-PNH
35h 46m2 stops
9:35 am - 4:47 pmPNH-BWI
42h 12m2 stops
$1,301Singapore Airlines
Find Deal
Thu, May 1 - Tue, May 27
5:50 pm - 1:05 pmBWI-PNH
32h 15m2 stops
2:05 pm - 5:48 pmPNH-BWI
38h 43m2 stops
$1,314Singapore Airlines
Find Deal
Wed, Apr 23 - Wed, Apr 30
9:21 am - 5:45 pmDCA-PNH
44h 24m2 stops
6:30 pm - 4:29 pmPNH-DCA
32h 59m2 stops
$1,329Cathay Pacific
Find Deal
Fri, Feb 28 - Wed, Apr 2
11:50 am - 10:25 pmIAD-PNH
22h 35m1 stop
11:45 pm - 9:50 amPNH-IAD
22h 05m1 stop
$1,368Korean Air
Find Deal
Tue, Feb 4 - Tue, Feb 18
1:25 pm - 10:10 pmIAD-PNH
21h 45m1 stop
11:40 pm - 11:15 amPNH-IAD
22h 35m1 stop
$1,383Korean Air
Find Deal
Thu, May 1 - Tue, May 27
11:00 am - 4:00 pmBWI-PNH
42h 00m3 stops
5:40 pm - 9:56 pmPNH-BWI
39h 16m3 stops
$1,535Qatar Airways
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Wed, Apr 23 - Wed, Apr 30
11:33 am - 4:00 pmBWI-PNH
41h 27m3 stops
5:30 pm - 9:25 pmPNH-BWI
38h 55m3 stops
$1,553Qatar Airways
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Wed, May 7 - Mon, Jun 2
7:00 am - 10:25 pmBWI-PNH
27h 25m2 stops
Tue, Feb 25
9:30 pm - 4:45 pmIAD-PNH
31h 15m2 stops
Tue, Feb 25
9:29 am - 5:45 pmDCA-PNH
44h 16m2 stops
$676Cathay Pacific
Find Deal
Mon, Jan 20
7:37 pm - 4:15 pmIAD-PNH
32h 38m2 stops
$717China Airlines
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Tue, Jan 14
9:29 am - 5:45 pmDCA-PNH
44h 16m2 stops
$741Cathay Pacific
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Fri, Jan 17
7:37 pm - 4:15 pmIAD-PNH
32h 38m2 stops
$755China Airlines
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Sat, Jan 18
11:51 am - 3:25 pmBWI-PNH
39h 34m3 stops
$1,035Qatar Airways
Find Deal
Mon, Jan 20
11:50 am - 10:25 pmIAD-PNH
22h 35m1 stop
$1,043Korean Air
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Tue, Feb 25
11:51 am - 3:25 pmBWI-PNH
39h 34m3 stops
$1,079Qatar Airways
Find Deal
Sat, Jan 18
11:50 am - 10:25 pmIAD-PNH
22h 35m1 stop
$1,081Korean Air
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Mon, Feb 10
9:29 am - 10:25 amDCA-PNH
36h 56m2 stops
11:45 am - 4:27 pmPNH-DCA
40h 42m2 stops
$1,799Cathay Pacific
Find Deal
Wed, Jan 8 - Wed, Jan 15
10:30 am - 9:50 amIAD-PNH
35h 20m2 stops
11:10 am - 8:10 amPNH-IAD
33h 00m2 stops
$1,825
Find Deal
Thu, Jan 9 - Wed, Feb 5
8:05 pm - 5:30 pmIAD-PNH
33h 25m2 stops
11:45 am - 9:46 amPNH-IAD
34h 01m3 stops
$1,922
Find Deal
Thu, Jan 9 - Wed, Feb 5
11:05 am - 10:05 amIAD-PNH
35h 00m2 stops
8:55 pm - 3:40 pmPNH-IAD
54h 45m2 stops
$1,939
Find Deal
Wed, Jan 8 - Wed, Jan 15
5:30 pm - 8:45 amIAD-PNH
27h 15m3 stops
5:15 pm - 4:25 pmPNH-IAD
35h 10m3 stops
$1,990
Find Deal
Thu, Jan 9 - Wed, Feb 5
11:50 am - 10:25 pmIAD-PNH
22h 35m1 stop
11:45 pm - 9:50 amPNH-IAD
22h 05m1 stop
$2,133Korean Air
Find Deal
Thu, Jan 9 - Wed, Feb 5
6:32 am - 11:20 pmIAD-PNH
52h 48m2 stops
12:30 am - 7:08 amPNH-IAD
42h 38m2 stops
$3,101Asiana Airlines
Find Deal
Wed, Jan 8 - Tue, Jan 14
3:30 pm - 6:25 pmDCA-PNH
38h 55m3 stops
9:30 pm - 8:59 pmPNH-DCA
35h 29m3 stops
$12,491Emirates
Find Deal
Wed, Jan 8 - Wed, Jan 15
8:15 am - 10:25 pmBWI-PNH
26h 10m2 stops
11:45 pm - 3:43 pmPNH-BWI
27h 58m2 stops
$20,233Korean Air
Find Deal
Sat, Jan 11 - Mon, Jan 13
11:50 am - 10:25 pmIAD-PNH
22h 35m1 stop
11:45 pm - 9:50 amPNH-IAD
22h 05m1 stop
$22,674Korean Air
Find Deal
Sat, Jan 11 - Mon, Jan 13

Cathay Pacific flights from Washington, D.C. to Phnom Penh

Our best Cathay Pacific deals on Washington, D.C. to Phnom Penh flight tickets
Cathay Pacific
Jan 20
DCA9:29 amWashington, D.C. Reagan-National
44h 16m
2 stops
PNH5:45 pmPhnom Penh Pochentong
Feb 10
PNH11:45 amPhnom Penh Pochentong
33h 47m
2 stops
DCA9:32 amWashington, D.C. Reagan-National
Cathay Pacific
Feb 28
DCA9:21 amWashington, D.C. Reagan-National
44h 24m
2 stops
PNH5:45 pmPhnom Penh Pochentong
Apr 2
PNH6:30 pmPhnom Penh Pochentong
32h 59m
2 stops
DCA4:29 pmWashington, D.C. Reagan-National
Cathay Pacific
Feb 28
DCA9:21 amWashington, D.C. Reagan-National
44h 24m
2 stops
PNH5:45 pmPhnom Penh Pochentong
Apr 2
PNH11:25 amPhnom Penh Pochentong
40h 04m
2 stops
DCA4:29 pmWashington, D.C. Reagan-National

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
Feb 4
IAD11:50 amWashington, D.C. Dulles Intl
22h 35m
1 stop
PNH10:25 pmPhnom Penh Pochentong
Feb 18
PNH11:45 pmPhnom Penh Pochentong
22h 05m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Korean Air
May 1
IAD1:25 pmWashington, D.C. Dulles Intl
21h 45m
1 stop
PNH10:10 pmPhnom Penh Pochentong
May 27
PNH11:40 pmPhnom Penh Pochentong
22h 35m
1 stop
IAD11:15 amWashington, D.C. Dulles Intl
Korean Air
Feb 4
IAD11:50 amWashington, D.C. Dulles Intl
22h 35m
1 stop
PNH10:25 pmPhnom Penh Pochentong
Mar 4
PNH11:45 pmPhnom Penh Pochentong
22h 05m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl

See travel insights to Phnom Penh from

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 typical price of a round-trip flight between Washington, D.C. and Phnom Penh?

What is the cheapest month to fly to Phnom Penh?

In general, October is the cheapest month to fly from Washington, D.C. to Phnom Penh. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,370. If you aren’t able to travel to Phnom Penh during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $1,400.

What is the cheapest day to depart on your flight to Phnom Penh?

The cheapest day to depart from Washington, D.C. to Phnom Penh is on a Saturday. Travelers who choose to depart for Phnom Penh on a Saturday will often find tickets for as low as $1,543. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. to Phnom Penh for around $1,705.

What is the cheapest time of day to depart on your flight to Phnom Penh?

According to our data, the cheapest time of day to fly to Phnom Penh is in the evening. momondo users have found flights departing from Washington, D.C. to Phnom Penh in the evening for as low as $1,316. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Phnom Penh are more costly at noon, with an average ticket price of $1,825. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You could potentially save up to 22% 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

Best Price Found

$545

Fastest flight time

21h 45m

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 $545. The best round-trip flight deal from Washington, D.C. to Phnom Penh found on momondo in the last 72 hours is $1,064.
The fastest flight from Washington, D.C. to Phnom Penh takes 21h 45m
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 45m 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.

  • What is the most popular airline from Washington, D.C. to Phnom Penh?


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 $1,048Free CancellationRating
7.3
1,195 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $1,299Free CancellationRating
7.5
3,746 reviews
Search Qatar Airways flights
Malaysia AirlinesPriceFrom $1,371Free CancellationRating
7.3
277 reviews
Search Malaysia Airlines flights
Korean AirPriceFrom $1,395Free CancellationRating
8.4
1,028 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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