Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. to Phnom Penh from $1,152

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 9/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

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

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington, D.C. to Phnom Penh.
8:29 pm - 10:15 amIAD-PNH
26h 46m2 stops
6:30 pm - 4:50 pmPNH-IAD
33h 20m2 stops
$1,152
Find Deal
mié., sep. 17 - mié., oct. 15
5:38 pm - 10:15 amIAD-PNH
29h 37m2 stops
6:30 pm - 4:38 pmPNH-IAD
33h 08m2 stops
$1,204
Find Deal
mié., abr. 23 - mié., abr. 30
7:45 pm - 10:15 amDCA-PNH
27h 30m2 stops
11:25 am - 9:03 amPNH-DCA
32h 38m2 stops
$1,218Cathay Pacific
Find Deal
mié., sep. 17 - mié., sep. 24
7:45 pm - 10:15 amDCA-PNH
27h 30m2 stops
6:30 pm - 10:55 pmPNH-DCA
39h 25m2 stops
$1,254Cathay Pacific
Find Deal
mié., sep. 17 - mié., oct. 15
10:05 pm - 8:35 amIAD-PNH
47h 30m2 stops
9:25 am - 4:10 pmPNH-IAD
41h 45m2 stops
$1,328Etihad Airways
Find Deal
lun., ago. 11 - dom., ago. 31
10:05 pm - 8:35 amIAD-PNH
47h 30m2 stops
9:25 am - 4:10 pmPNH-IAD
41h 45m2 stops
$1,428Etihad Airways
Find Deal
jue., jun. 19 - lun., jul. 7
1:15 pm - 10:10 pmIAD-PNH
21h 55m1 stop
11:30 pm - 10:55 amPNH-IAD
22h 25m1 stop
$1,515Korean Air
Find Deal
mié., sep. 17 - mié., oct. 15
1:30 pm - 10:10 pmIAD-PNH
21h 40m1 stop
11:30 pm - 10:55 amPNH-IAD
22h 25m1 stop
$1,610Korean Air
Find Deal
sáb., ago. 30 - sáb., oct. 18
11:45 am - 4:15 pmBWI-PNH
41h 30m3 stops
5:40 pm - 11:25 pmPNH-BWI
40h 45m3 stops
$1,613Qatar Airways
Find Deal
sáb., ago. 30 - sáb., oct. 18
9:00 pm - 4:15 pmIAD-PNH
32h 15m1 stop
5:40 pm - 3:40 pmPNH-IAD
33h 00m1 stop
$1,737Qatar Airways
Find Deal
mié., sep. 17 - mié., sep. 24

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

Our best Etihad Airways deals on Washington, D.C. to Phnom Penh flight tickets
Etihad Airways
Aug 11
IAD10:05 pmWashington, D.C. Dulles Intl
47h 30m
2 stops
PNH8:35 amPhnom Penh Pochentong
Aug 31
PNH9:25 amPhnom Penh Pochentong
41h 45m
2 stops
IAD4:10 pmWashington, D.C. Dulles Intl
Etihad Airways
Jun 19
IAD10:05 pmWashington, D.C. Dulles Intl
47h 30m
2 stops
PNH8:35 amPhnom Penh Pochentong
Jul 7
PNH9:25 amPhnom Penh Pochentong
41h 45m
2 stops
IAD4:10 pmWashington, D.C. Dulles Intl
Etihad Airways
Aug 30
IAD10:05 pmWashington, D.C. Dulles Intl
29h 20m
2 stops
PNH2:25 pmPhnom Penh Pochentong
Oct 18
PNH8:30 amPhnom Penh Pochentong
42h 40m
1 stop
IAD4:10 pmWashington, D.C. Dulles Intl

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

Our best Air China deals on Washington, D.C. to Phnom Penh flight tickets
Air China
Apr 1
IAD11:00 pmWashington, D.C. Dulles Intl
49h 10m
3 stops
PNH11:10 amPhnom Penh Pochentong
Apr 29
PNH12:20 amPhnom Penh Pochentong
32h 05m
2 stops
IAD9:25 pmWashington, D.C. Dulles Intl
Air China
Jun 20
IAD11:00 pmWashington, D.C. Dulles Intl
37h 05m
1 stop
PNH11:05 pmPhnom Penh Pochentong
Jul 6
PNH12:20 amPhnom Penh Pochentong
42h 45m
2 stops
IAD8:05 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, September 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 $1,304. If you aren’t able to travel to Phnom Penh during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,370.

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.

How far in advance should I book a flight to Phnom Penh?

You are more likely to see cheaper flights to Phnom Penh from Washington, D.C. when booking 2 weeks ahead of your departure date. In general, you can expect to find flights to Phnom Penh for around $1,665 when searching 2 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phnom Penh from Washington, D.C. for as low as $1,502 on momondo.

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

$12,243

Fastest flight time

21h 40m

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 $12,243. The best round-trip flight deal from Washington, D.C. to Phnom Penh found on momondo in the last 72 hours is $1,152.
The fastest flight from Washington, D.C. to Phnom Penh takes 21h 40m
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 40m 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
7.4
1,176 reviews
Search Etihad Airways flights
Singapore AirlinesPriceFrom $1,239Free CancellationRating
8.1
1,284 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom $1,299Free CancellationRating
7.4
3,539 reviews
Search Qatar Airways flights
Malaysia AirlinesPriceFrom $1,334Free CancellationRating
7.3
252 reviews
Search Malaysia Airlines flights
Korean AirPriceFrom $1,342Free CancellationRating
8.4
1,047 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.


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.
1 adult
From?
To?
dom. 3/30
dom. 4/6

Find better results for your trip to Cambodia