How does KAYAK find such low prices on flights from Washington 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 to Phnom Penh. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington 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 is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Washington 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 with another airline. Visit our flight page for the latest deals!>/a>

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

$1,377 CHEAP FLIGHTS from Washington to Phnom Penh

PNH

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Cheap Flights from Washington to Phnom Penh

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington 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 for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Washington to Phnom Penh

Fri, Oct 24 - Mon, Nov 10

11:56 pm - 6:30 amSEA-PNH

40h 34m2 stops

7:55 am - 11:18 pmPNH-SEA

54h 23m2 stops

$1,675Multiple Airlines

Find Deal

Sat, Oct 4 - Sat, Oct 25

11:59 pm - 6:55 amSEA-PNH

40h 56m2 stops

8:30 am - 1:46 pmPNH-SEA

43h 16m2 stops

$1,763Multiple Airlines

Find Deal

Mon, Oct 13 - Sat, Nov 15

11:58 pm - 6:55 amPDX-PNH

40h 57m2 stops

7:50 pm - 12:36 pmPNH-PDX

31h 46m2 stops

$1,988Multiple Airlines

Find Deal

Wed, Oct 22 - Sat, Jan 31

12:34 am - 6:55 amSEA-PNH

40h 21m2 stops

7:50 pm - 10:19 pmPNH-SEA

41h 29m2 stops

$2,147Multiple Airlines

Find Deal

Sat, Oct 11 - Thu, Oct 16

12:34 am - 6:55 amSEA-PNH

40h 21m2 stops

8:30 am - 8:46 pmPNH-SEA

50h 16m2 stops

$2,232Multiple Airlines

Find Deal

Wed, Oct 15 - Sat, Nov 15

11:56 pm - 6:55 amSEA-PNH

40h 59m2 stops

7:50 pm - 1:54 pmPNH-SEA

33h 04m2 stops

$2,394Multiple Airlines

Find Deal

Sat, Feb 7 - Sat, Feb 21

7:20 pm - 6:30 amSEA-PNH

44h 10m2 stops

7:50 pm - 11:07 pmPNH-SEA

42h 17m2 stops

$2,976Multiple Airlines

Find Deal

Thu, Oct 30 - Thu, Nov 6

8:15 am - 6:30 amSEA-PNH

32h 15m3 stops

7:50 pm - 10:16 pmPNH-SEA

41h 26m3 stops

$3,905Multiple Airlines

Find Deal

Thu, Oct 30 - Thu, Nov 6

5:05 pm - 6:25 pmSEA-PNH

35h 20m2 stops

7:50 pm - 10:16 pmPNH-SEA

41h 26m3 stops

$4,367Multiple Airlines

Find Deal

Mon, Nov 3 - Fri, Nov 14

8:05 pm - 6:25 pmSEA-PNH

55h 20m2 stops

7:55 am - 11:18 pmPNH-SEA

54h 23m2 stops

$5,029Multiple Airlines

Find Deal

Cheapest round-trip

$1,675

Overall average: $1,012

Multiple Airlines

Fri 10/24Mon 11/10

SEA - PNH • 2 stops

Cheapest one-way

$1,377

Typical prices: $608-993

Multiple Airlines

Fri 10/17

SEA - PNH • 3 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Phnom Penh!

Useful Info

Low season	May
High season	July
Cheapest flight	$1,377

Best time to beat the crowds with an average 2% drop in price.

Most popular time to fly with an average 22% increase in price.

Flight from Seattle to Phnom Penh

How does KAYAK find such low prices on flights from Washington 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 to Phnom Penh.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington 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 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 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 with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington 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 up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Phnom Penh

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Phnom Penh

Phnom Penh (PNH)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

PNH

$1,377 Find Cheap Flights from Washington to Phnom Penh

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

Cheap Flights from Washington to Phnom Penh

Recent round-trip flight deals from Washington to Phnom Penh

Recent one-way flight deals from Washington to Phnom Penh

Everything you should know

Good to know

FAQs for booking flights from Washington to Phnom Penh

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

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington 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 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 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 with another airline.

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

Everything you need to know for your flight to Phnom Penh

Information on the airport you'll fly into in Phnom Penh

Cabin class types available on flights to Washington

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

Find direct flights for Phnom Penh

Flights to other popular destinations

Flights from domestic origins to Phnom Penh

Choose which airport to fly into in Phnom Penh

Find deals for your return flight