Question 1

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

Accepted Answer

In the last 3 days, the lowest price for a flight from Washington, D.C. to Phnom Penh was $501 for a one-way ticket and $968 for a round-trip. <a href='/flight-routes/Washington-WAS/Phnom-Penh-Pochentong-PNH'>Visit our flight page for the latest deals!>/a>

Question 2

Do I need a passport to fly between Washington, D.C. and Phnom Penh?

Accepted Answer

Yes, you'll most likely have to show a valid passport before boarding the plane in Washington, D.C. and on arrival in Phnom Penh. <a href='/flight-routes/Washington-WAS/Phnom-Penh-Pochentong-PNH'>Visit our flight page for the latest deals!>/a>

Question 3

Which airports will I be using when flying from Washington, D.C. to Phnom Penh?

Accepted Answer

Washington, D.C. is served by 2 major airports and there is only 1 main airport in Phnom Penh. You will leave Washington, D.C. from one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You will be arriving at Phnom Penh Pochentong. <a href='/flight-routes/Washington-WAS/Phnom-Penh-Pochentong-PNH'>Visit our flight page for the latest deals!>/a>

Question 4

Which aircraft models fly most regularly from Washington, D.C. to Phnom Penh?

Accepted Answer

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

Question 5

Which airline alliances offer flights from Washington, D.C. to Phnom Penh?

Accepted Answer

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

Question 6

What is the most popular layover when flying to Phnom Penh from Washington, D.C.?

Accepted Answer

Seoul is the most popular layover city among KAYAK users traveling from Washington, D.C. to Phnom Penh.

Question 7

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

Accepted Answer

The cheapest month for flights from Washington, D.C. to Phnom Penh is August, where tickets cost $1,299 (return) on average. On the other hand, the most expensive months are December and May, where the average cost of round-trip tickets is $1,921 and $1,817 respectively.

Question 8

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

Accepted Answer

The cheapest month for flights from Washington, D.C. to Phnom Penh is August, where tickets cost $1,299 (return) on average. On the other hand, the most expensive months are December and May, where the average cost of round-trip tickets is $1,921 and $1,817 respectively.

Question 9

How does KAYAK find such low prices on flights from Washington, D.C. to Phnom Penh?

Accepted Answer

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 Washington, D.C. to Phnom Penh. <a href='/flight-routes/Washington-WAS/Phnom-Penh-Pochentong-PNH'>Visit our flight page for the latest deals!>/a>

Question 10

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Phnom Penh?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Phnom Penh from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/Washington-WAS/Phnom-Penh-Pochentong-PNH'>Visit our flight page for the latest deals!>/a>

Question 11

What is the Hacker Fare option on flights from Washington, D.C. to Phnom Penh?

Accepted Answer

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 Washington, D.C. with another airline. <a href='/flight-routes/Washington-WAS/Phnom-Penh-Pochentong-PNH'>Visit our flight page for the latest deals!>/a>

Question 12

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Phnom Penh?

Accepted Answer

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 Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Washington-WAS/Phnom-Penh-Pochentong-PNH'>Visit our flight page for the latest deals!>/a>

Question 13

What is the cheapest layover airport when flying from Washington, D.C. to Phnom Penh?

Accepted Answer

Flights via Abu Dhabi (AUH) offer the most affordable fares, with an average round-trip price of $1,059.

Question 14

What is the most popular layover airport when flying from Washington, D.C. to Phnom Penh?

Accepted Answer

Incheon (ICN) is the top choice – 96% of KAYAK users who clicked on 1-stop flights from Washington, D.C. to Phnom Penh picked an itinerary connecting there.

Question 15

Which layover airport has the quickest connection when flying from Washington, D.C. to Phnom Penh?

Accepted Answer

If you prefer a quick connection, Incheon (ICN) often has the shortest layovers from Washington, D.C. to Phnom Penh, with an average of 2h 08m.

Question 16

Which layover airport offers the shortest total travel time from Washington, D.C. to Phnom Penh?

Accepted Answer

Consider flying via Abu Dhabi (AUH) for the shortest journey. The average one-way travel time for flights connecting there is 21h 50m.

Question 17

Which airlines provide the cheapest flights from Washington, D.C. to Phnom Penh?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to Phnom Penh were found on Air China ($968) and Korean Air ($1,050).

Question 18

Which airlines provide the cheapest flights from Washington, D.C. to Phnom Penh?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to Phnom Penh were found on Air China ($968) and Korean Air ($1,050).

Question 19

How much is a round-trip flight from Washington, D.C. to Phnom Penh?

Accepted Answer

Flight prices are below average for this route right now.Flights to Phnom Penh from Washington, D.C. usually cost between $1,265 and $1,423 in October.
The lowest price found in the past 3 days was $968 on Air China (Oct 24-Nov 6).

Low season	May
High season	December
Cheapest flight	$501

WAS - PNH

$501 Find Cheap Flights from Washington, D.C. to Phnom Penh

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

Cheap Flights from Washington, D.C. to Phnom Penh (WAS-PNH)

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KAYAK's insights & trends for Washington, D.C. to Phnom Penh flights

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

How much is a round-trip flight from Washington, D.C. to Phnom Penh?

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

The cheapest month for flights from Washington, D.C. to Phnom Penh is August, where tickets cost $1,299 (return) on average. On the other hand, the most expensive months are December and May, where the average cost of round-trip tickets is $1,921 and $1,817 respectively.

Which airlines provide the cheapest flights from Washington, D.C. to Phnom Penh?

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to Phnom Penh were found on Air China ($968) and Korean Air ($1,050).

What is the most popular layover airport when flying from Washington, D.C. to Phnom Penh?

Incheon (ICN) is the top choice – 96% of KAYAK users who clicked on 1-stop flights from Washington, D.C. to Phnom Penh picked an itinerary connecting there.

What is the cheapest layover airport when flying from Washington, D.C. to Phnom Penh?

Flights via Abu Dhabi (AUH) offer the most affordable fares, with an average round-trip price of $1,059.

Which layover airport offers the shortest total travel time from Washington, D.C. to Phnom Penh?

Consider flying via Abu Dhabi (AUH) for the shortest journey. The average one-way travel time for flights connecting there is 21h 50m.

Which layover airport has the quickest connection when flying from Washington, D.C. to Phnom Penh?

If you prefer a quick connection, Incheon (ICN) often has the shortest layovers from Washington, D.C. to Phnom Penh, with an average of 2h 08m.

Good to know

When to book flights from Washington, D.C. to Phnom Penh

FAQs for booking flights from Washington, D.C. to Phnom Penh

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

In the last 3 days, the lowest price for a flight from Washington, D.C. to Phnom Penh was $501 for a one-way ticket and $968 for a round-trip.

Do I need a passport to fly between Washington, D.C. and Phnom Penh?

Yes, you'll most likely have to show a valid passport before boarding the plane in Washington, D.C. and on arrival in Phnom Penh.

Which airports will I be using when flying from Washington, D.C. to Phnom Penh?

Washington, D.C. is served by 2 major airports and there is only 1 main airport in Phnom Penh. You will leave Washington, D.C. from one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You will be arriving at Phnom Penh Pochentong.

Which aircraft models fly most regularly from Washington, D.C. to Phnom Penh?

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

Which airline alliances offer flights from Washington, D.C. to Phnom Penh?

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

What is the most popular layover when flying to Phnom Penh from Washington, D.C.?

Seoul is the most popular layover city among KAYAK users traveling from Washington, D.C. to Phnom Penh.

How does KAYAK find such low prices on flights from Washington, D.C. 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 Washington, D.C. to Phnom Penh.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Phnom Penh?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Phnom Penh from Washington, D.C. 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 Washington, D.C. 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 Washington, D.C. with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. 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 Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Washington, D.C. to Phnom Penh

Everything you need to know for your flight from Washington, D.C. to Phnom Penh

Information on your arrival and departure airports

Cabin class types available on flights from Washington, D.C. to Phnom Penh

Complete your trip to Phnom Penh with a hotel stay or car rental

Find direct flights to and from Washington, D.C. and Phnom Penh

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Flights from domestic origins to Phnom Penh

Choose which airport to fly into in Phnom Penh

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