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Find cheap flights from Washington to Phnom Penh from $903

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Phnom Penh departing on 6/7. 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
Sun 4/28
Sun 5/5

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Good to know

Low season

May

High season

December

Cheapest flight

$903
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly with an average 34% increase in price.
Flight from Seattle to Phnom Penh

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.

See more FAQs

Prefer to fly non-stop from Washington to Phnom Penh?

Find which airlines fly direct from Washington to Pochentong, which days they fly and book direct flights.

Nonstop departures

Washington to Phnom Penh Pochentong

Monday

ANA, Air Astana, Air Canada, +45 more

ANA, Air Astana, +46 more

Tuesday

ANA, Air Astana, Air Canada, +46 more

ANA, Air Astana, +47 more

Wednesday

ANA, Air Astana, Air Canada, +46 more

ANA, Air Astana, +47 more

Thursday

ANA, Air Astana, Air Canada, +46 more

ANA, Air Astana, +47 more

Friday

ANA, Air Astana, Air Canada, +46 more

ANA, Air Astana, +47 more

Saturday

ANA, Air Astana, Air Canada, +46 more

ANA, Air Astana, +47 more

Sunday

ANA, Air Astana, Air Canada, +46 more

ANA, Air Astana, +47 more

See more direct flights

Nonstop returns

Phnom Penh Pochentong to Washington

Monday

ANA, Air Astana, Air Canada, +45 more

ANA, Air Astana, +46 more

Tuesday

ANA, Air Astana, Air Canada, +46 more

ANA, Air Astana, +47 more

Wednesday

ANA, Air Astana, Air Canada, +46 more

ANA, Air Astana, +47 more

Thursday

ANA, Air Astana, Air Canada, +46 more

ANA, Air Astana, +47 more

Friday

ANA, Air Astana, Air Canada, +46 more

ANA, Air Astana, +47 more

Saturday

ANA, Air Astana, Air Canada, +46 more

ANA, Air Astana, +47 more

Sunday

ANA, Air Astana, Air Canada, +46 more

ANA, Air Astana, +47 more

See more direct flights
See more direct flights

Book cheap flights from Washington to Phnom Penh

Recent round-trip flight deals

9/15Sun
1 stopAsiana Airlines
18h 35mSEA-PNH
9/24Tue
1 stopAsiana Airlines
26h 50mPNH-SEA
$1,058
9/15Sun
1 stopSingapore Airlines
41h 15mSEA-PNH
9/24Tue
2 stopsSingapore Airlines
32h 10mPNH-SEA
$1,106
4/16Tue
2 stops
47h 51mSEA-PNH
5/9Thu
2 stops
29h 47mPNH-SEA
$1,108
8/12Mon
1 stopKorean Air
19h 10mSEA-PNH
8/27Tue
2 stopsKorean Air
30h 01mPNH-SEA
$1,113
8/10Sat
2 stops
29h 53mSEA-PNH
8/25Sun
1 stop
23h 00mPNH-SEA
$1,115
8/12Mon
2 stopsKorean Air
24h 50mSEA-PNH
8/21Wed
2 stopsKorean Air
30h 01mPNH-SEA
$1,118
8/31Sat
1 stopEVA Air
20h 05mSEA-PNH
9/14Sat
1 stopEVA Air
20h 55mPNH-SEA
$1,164
8/13Tue
1 stopEVA Air
20h 05mSEA-PNH
8/27Tue
1 stopEVA Air
20h 35mPNH-SEA
$1,255
9/1Sun
2 stopsPhilippine Airlines
48h 59mSEA-PNH
9/13Fri
2 stopsPhilippine Airlines
46h 20mPNH-SEA
$1,506
5/9Thu
2 stopsPhilippine Airlines
27h 59mSEA-PNH
6/6Thu
2 stopsPhilippine Airlines
34h 56mPNH-SEA
$1,669

Search by stops

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Recent one-way flight deals

6/7Fri
2 stops
26h 50mSEA-PNH
$903
6/6Thu
1 stopEVA Air
19h 25mSEA-PNH
$905
6/7Fri
1 stopKorean Air
19h 10mSEA-PNH
$1,032
6/6Thu
2 stops
28h 05mSEA-PNH
$1,384
6/7Fri
3 stopsQatar Airways
39h 36mSEA-PNH
$1,919

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Flights to Phnom Penh

Destination:

Phnom Penh (PNH)Cambodia

Return flight deals:

Phnom Penh - Washington

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