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DCA - PNH

Find cheap flights from Reagan Washington National Airport to Phnom Penh from $865

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Reagan-National to Phnom Penh departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 5/16
Thu 5/23

Search hundreds of travel sites at once for deals on flights to Phnom Penh

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Phnom Penh, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Phnom Penh, as well as popular online travel agencies
In the last 7 days travelers have searched 43,990,755 times on KAYAK, and here is why:

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Cheap flight deals from Reagan-National to Phnom Penh (DCA-PNH)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Reagan-National to Phnom Penh that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
9:20 am - 1:05 pmDCA-PNH
40h 45m2 stops
9:35 am - 8:55 pmPNH-DCA
46h 20m2 stops
$1,337Singapore Airlines
Find Deal
Tue, Sep 3 - Mon, Sep 30
9:20 am - 8:40 amDCA-PNH
36h 20m3 stops
2:05 pm - 8:55 pmPNH-DCA
41h 50m2 stops
$1,348Singapore Airlines
Find Deal
Tue, Sep 3 - Mon, Sep 30
8:55 am - 10:10 pmDCA-PNH
26h 15m2 stops
11:40 pm - 5:32 pmPNH-DCA
28h 52m2 stops
$1,461Korean Air
Find Deal
Tue, Oct 1 - Tue, Oct 22
9:00 am - 10:10 pmDCA-PNH
26h 10m2 stops
11:40 pm - 2:39 pmPNH-DCA
25h 59m2 stops
$1,506
Find Deal
Tue, Oct 1 - Mon, Oct 14
9:30 am - 1:05 pmDCA-PNH
40h 35m3 stops
9:35 am - 8:55 pmPNH-DCA
46h 20m2 stops
$1,822Singapore Airlines
Find Deal
Tue, Oct 1 - Mon, Oct 14
5:11 pm - 9:50 amDCA-PNH
29h 39m2 stops
5:10 pm - 4:11 pmPNH-DCA
34h 01m2 stops
$1,839
Find Deal
Mon, Jul 22 - Thu, Aug 15
12:29 pm - 10:15 amDCA-PNH
34h 46m2 stops
11:25 am - 4:28 pmPNH-DCA
40h 03m2 stops
$2,098Cathay Pacific
Find Deal
Sat, Jun 29 - Wed, Jul 24
6:06 am - 10:10 pmDCA-PNH
29h 04m2 stops
11:40 pm - 5:30 pmPNH-DCA
28h 50m2 stops
$2,126Korean Air
Find Deal
Sun, May 12 - Sat, May 18
4:35 pm - 4:00 pmDCA-PNH
36h 25m3 stops
5:40 pm - 4:28 pmPNH-DCA
33h 48m3 stops
$2,128Qatar Airways
Find Deal
Tue, Apr 30 - Sun, May 12
3:30 pm - 4:00 pmDCA-PNH
37h 30m3 stops
5:40 pm - 4:28 pmPNH-DCA
33h 48m3 stops
$2,201Qatar Airways
Find Deal
Wed, May 1 - Sun, May 12

Flights from Reagan-National to Phnom Penh - Travel Insights & Trends

Get data-powered insights and trends into flights from Reagan-National to Phnom Penh to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Washington, D.C. Reagan-National Airport to Phnom Penh, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Washington, D.C. Reagan-National Airport to Phnom Penh is September, where tickets cost $1,186 on average. On the other hand, the most expensive months are December and July, where the average cost of tickets is $2,459 and $2,221 respectively.

How far in advance should I book a flight from Washington, D.C. Reagan-National Airport to Phnom Penh?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Washington, D.C. Reagan-National Airport to Phnom Penh, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Washington, D.C. Reagan-National Airport to Phnom Penh, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 83 days before departure.

Which airlines provide the cheapest flights from Reagan Washington National Airport to Phnom Penh?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the cheapest one-way ticket from Reagan Washington National Airport to Phnom Penh found on KAYAK was with Qatar Airways for $1,082. Singapore Airlines proposed a round-trip connection from $1,337 and Korean Air from $1,461.

Good to know

Cheapest flight

$865
Flight from Reagan Washington National Airport to Phnom Penh

When to book flights from Reagan-National to Phnom Penh

Are your dates flexible? Find out the best times to travel from Reagan-National to Phnom Penh based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Reagan Washington National Airport to Phnom Penh flights

  • What is the cheapest flight from Washington, D.C. Reagan-National Airport to Phnom Penh?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Reagan-National Airport to Phnom Penh was $865 for a one-way ticket and $1,337 for a round-trip.

  • Do I need a passport to fly between Reagan Washington National Airport and Phnom Penh?

    Yes, you’ll need a passport to travel to Phnom Penh from Reagan Washington National Airport.

  • Which airports will I be using when flying from Reagan Washington National Airport to Phnom Penh?

    When flying out of Reagan Washington National Airport you will be using Washington, D.C. Reagan-National. You will be landing at Phnom Penh, also known as Phnom Penh Pochentong.

  • Which aircraft models fly most regularly from Reagan Washington National Airport to Phnom Penh?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Reagan Washington National Airport to Phnom Penh?

    oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between Reagan Washington National Airport and Phnom Penh, with oneworld being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Reagan Washington National Airport to Phnom Penh?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Reagan Washington National Airport to Phnom Penh.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Reagan Washington National Airport to Phnom Penh?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Phnom Penh from Reagan Washington National Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Reagan Washington National Airport to Phnom Penh?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Phnom Penh with an airline and back to Reagan Washington National Airport with another airline. Booking your flights between Reagan Washington National Airport and PNH can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Reagan Washington National Airport to Phnom Penh?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Phnom Penh from Reagan Washington National Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Washington, D.C. to Phnom Penh

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Phnom Penh found on KAYAK in the last 72 hours.
5/7Tue
2 stops
35h 48mDCA-PNH
$865
7/25Thu
2 stops
26h 10mDCA-PNH
$955
5/7Tue
3 stopsQatar Airways
33h 15mDCA-PNH
$1,082
7/25Thu
3 stopsSingapore Airlines
36h 10mDCA-PNH
$1,084
5/7Tue
2 stops
26h 23mDCA-PNH
$1,085
5/20Mon
2 stops
29h 05mDCA-PNH
$1,118
5/20Mon
3 stops
53h 18mDCA-PNH
$1,174

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Reagan Washington National Airport - Phnom Penh Flights

Departure:

Reagan Washington National Airport (DCA)United States

Destination:

Phnom Penh (PNH)Cambodia

Return flight deals:

Phnom Penh - Reagan Washington National Airport

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