Cheap flights from Washington (WAS) to Phnom Penh (PNH)

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The best prices from Washington to Phnom Penh Pochentong are usually found in September or February, booked 54 days in advance, depart on a Tuesday or Sunday and return on a Tuesday

How to find the cheapest flight from
Washington (WAS) to Phnom Penh (PNH)

All the information you need to plan the best WAS to PNH flight in 2021: compare Washington to Phnom Penh flight prices with the expected peak season, weather and rainfall in Phnom Penh.
WAS - PNH
Price
$779 - $1,390
PNH
Temperature
77 - 84.2 °F
PNH
Precipitation
0 - 9.8 inches

Popular in

December

High demand for flights, 27% potential price rise

Cheapest in

September

Best time to find cheap flights, 24% potential price drop

Average price

$868

Average for round-trip flights in November 2021

Round-trip from

$779

From Washington (WAS) to Phnom Penh Pochentong

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest month to fly from Washington to Phnom Penh?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Phnom Penh. Flights to Phnom Penh from Washington in September are about $1,019 on average during September, but can be found for as low as $607.

When is the cheapest time to fly from Washington to Phnom Penh (WAS - PNH)?

A simple way to save on the total cost of your ticket is to fly from Washington to Phnom Penh in the afternoon. If you’re flexible enough to do this you can expect to save up to 43% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly round-trip from Washington to Phnom Penh?

Flights from Washington to Phnom Penh are found to be more expensive on Tuesday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Phnom Penh.

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

Find a great deal and save up to 4% by booking at least 55 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington to Phnom Penh within the next two weeks, with the cheapest ticket starting at $879.

Cheap flights from Washington to Phnom Penh in November, December 2021

The best prices found for WAS to PNH flights for November, December
3 Dec - 10 Dec
$1,153pp
IAD
Washington Dulles Intl
Emirates
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Emirates
   
2 STOPS
IAD
Washington Dulles Intl
14 Dec - 31 Jan
$1,205pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
14 Dec - 31 Jan
$1,212pp
IAD
Washington Dulles Intl
Multiple Airlines
     
3 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl

Washington to Phnom Penh 2022 flight deals

Cheap flights to Phnom Penh from Washington found for next year
3 Dec - 10 Dec
$1,153pp
IAD
Washington Dulles Intl
Emirates
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Emirates
   
2 STOPS
IAD
Washington Dulles Intl
14 Dec - 31 Jan
$1,205pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
14 Dec - 31 Jan
$1,212pp
IAD
Washington Dulles Intl
Multiple Airlines
     
3 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl

Last minute flights from Washington to Phnom Penh

Late deals on round-trip flights to Phnom Penh from Washington, departing today and this week
3 Dec - 10 Dec
$1,153pp
IAD
Washington Dulles Intl
Emirates
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Emirates
   
2 STOPS
IAD
Washington Dulles Intl
3 Dec - 10 Dec
$1,304pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
3 Dec - 10 Dec
$1,351pp
IAD
Washington Dulles Intl
Emirates
     
3 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Emirates
   
2 STOPS
IAD
Washington Dulles Intl

One-way flights to Pochentong from Washington

The cheapest one-way flights from Washington to Phnom Penh
12:20 pm - 12:35 pm
Singapore Airlines
2 Stops
36h 15m
IAD - PNH
Singapore Airlines
$872
KAYAK
6:50 am - 5:25 pm
Korean Air
1 Stop
22h 35m
IAD - PNH
Korean Air
$1,054
KAYAK
5:30 am - 5:05 am
Multiple Airlines
3 Stops
59h 35m
IAD - PNH
Multiple Airlines
$1,124
Ovago

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Washington</span> to <span class="emphasized">Phnom Penh</span> flights.

Flight FAQs

From Washington to Phnom Penh

What airport do you fly into for flights to Phnom Penh from Washington?

If you book a flight to Phnom Penh from Washington, you will be flying to Pochentong, which is the city’s only airport. Phnom Penh Pochentong (PNH) is located 5.0 mi from the center of Phnom Penh. There are 0 flights from Washington to Pochentong per day from 9 different airlines.

Which airlines flying from Washington to Phnom Penh Pochentong have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Air China, Korean Air, and Cathay Pacific flying from Washington to Phnom Penh Pochentong have implemented new flexible cancellation policies.

Can I find flights from Washington to Phnom Penh for under $800 on Cheapflights?

Yes, there are multiple flights from Washington to Phnom Penh for under $800. The cheapest flight booked recently is on Singapore Airlines for just $771, but on average you can expect to pay $805.

Are there last-minute flights available from Washington to Phnom Penh for under $1,200?

There are currently 20+ open flights from Washington to Phnom Penh within the next 7 days for less than $1,200.

What is the cheapest airline to fly from Washington to Phnom Penh round-trip?

According to our current data, Singapore Airlines ($771), offers the cheapest pricing from Washington to Phnom Penh. You may be able to fly from Washington to Phnom Penh for 24% less than the average price by searching for this airline.

What are the cheapest airlines to fly from Washington to Phnom Penh one-way?

The cheapest airlines for a one-way flight from Washington to Phnom Penh are Singapore Airlines ($473), Korean Air ($1,029), and Emirates ($1,127).

What are the cheapest flights from Washington to Phnom Penh?

On average you can expect to pay $912 for a flight from Washington to Phnom Penh. The cheapest flight overall is $617 while the most popular route, (Washington Dulles Intl - Phnom Penh Pochentong) is currently priced at $777.

What are the most popular routes from Washington to Phnom Penh?

When deciding which route to take from Washington to Phnom Penh consider Washington Dulles Intl - Phnom Penh Pochentong, Washington Reagan-National - Phnom Penh Pochentong or Baltimore/Washington - Phnom Penh Pochentong as they are the most popular.

What are the most popular airlines that fly from Washington to Phnom Penh?

When booking a flight from Washington to Phnom Penh, you may want to consider flying on Air China, Cathay Pacific or Emirates as they are the most popular for this route.

COVID Restrictions

View COVID Travel Restrictions for Phnom Penh, Cambodia

Do I need a COVID test to fly to Phnom Penh from Washington?

Information is based on travel restrictions from Washington to Phnom Penh Pochentong

Most visitors from Washington need to provide a negative COVID-19 test result and/or quarantine to enter Phnom Penh Pochentong.

COVID-19 testing requirements
Visitors from Washington must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Phnom Penh Pochentong.

Quarantine requirements
Visitors from Washington are not required to quarantine after entering Phnom Penh Pochentong.

Do I need a test to fly back to Washington from Phnom Penh?

Returning to Washington from Phnom Penh Pochentong

COVID-19 testing requirements
Visitors from Phnom Penh Pochentong must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Washington.

Quarantine requirements
Visitors from Phnom Penh Pochentong are not required to quarantine after entering Washington.

Hide COVID Travel Restrictions for Phnom Penh, Cambodia

Destination information for Phnom Penh

Things to know before you go - useful duration and weather info for your trip from Washington to Phnom Penh.
Today's exchange rate
$1 = 4,014.46៛
Average temperature for November in Phnom Penh
86.0 °F
Avg rainfall for November in Phnom Penh
0.9 ″

Airports servicing Washington

Reagan-National (DCA)

Airports servicing Phnom Penh

Top 7 airlines flying from Washington to Phnom Penh Pochentong

The chart below displays the airlines Cheapflights users traveling from Washington to Phnom Penh choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Air China
$536 $796 No cancel fee 67%
Korean Air
$703 $1,097 No cancel fee 81%
Cathay Pacific
$721 $1,212 No cancel fee 72%
Singapore Airlines
$876 $1,060 No cancel fee 81%
Etihad Airways
$941 $1,177 No cancel fee 75%
Emirates
$1,079 $1,154 No cancel fee 75%
ANA
$1,095 $1,315 No cancel fee 80%
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