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Cheap flights from Phnom Penh to Washington from $497

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phnom Penh to Washington departing on 11/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Phnom Penh to Washington

Cheap round-trip flights

Asiana Airlines Logo
11:55 pm - 12:30 pmPNH-SEA
26h 35m1 stop
Asiana Airlines Logo
12:10 am - 10:55 pmSEA-PNH
32h 45m1 stop
$787Asiana Airlines
Find Deal
sáb., oct. 4 - jue., jul. 30
Asiana Airlines Logo
11:55 pm - 12:30 pmPNH-SEA
26h 35m1 stop
Asiana Airlines Logo
12:10 am - 10:55 pmSEA-PNH
32h 45m1 stop
$805Asiana Airlines
Find Deal
sáb., oct. 4 - sáb., may. 30
Korean Air Logo
11:30 pm - 10:40 amPNH-SEA
25h 10m1 stop
Korean Air Logo
12:50 pm - 10:10 pmSEA-PNH
19h 20m1 stop
$841Korean Air
Find Deal
lun., sep. 1 - vie., sep. 12
Logo
7:10 pm - 7:15 pmPNH-SEA
62h 05m2 stops
Logo
12:50 pm - 10:10 pmSEA-PNH
19h 20m1 stop
$926
Find Deal
lun., sep. 1 - vie., sep. 12
Logo
9:10 am - 4:10 pmPNH-SEA
21h 00m2 stops
Logo
1:15 am - 5:35 pmSEA-PNH
26h 20m2 stops
$952
Find Deal
mié., oct. 15 - mié., oct. 15
EVA Air Logo
12:35 pm - 7:30 pmPNH-SEA
20h 55m1 stop
EVA Air Logo
1:30 am - 11:15 amSEA-PNH
19h 45m1 stop
$1,089EVA Air
Find Deal
lun., sep. 1 - jue., sep. 11
EVA Air Logo
12:35 pm - 6:50 pmPNH-SEA
20h 15m1 stop
EVA Air Logo
1:30 am - 11:15 amSEA-PNH
19h 45m1 stop
$1,114EVA Air
Find Deal
mar., sep. 2 - mar., sep. 9
Air Canada Logo
7:40 pm - 9:15 amPNH-PDX
28h 35m2 stops
Air Canada Logo
9:50 am - 6:30 pmPDX-PNH
41h 40m3 stops
$1,157Air Canada
Find Deal
mié., nov. 5 - mié., nov. 26
Korean Air Logo
11:30 pm - 10:50 amPNH-SEA
25h 20m1 stop
Korean Air Logo
1:20 pm - 10:10 pmSEA-PNH
18h 50m1 stop
$1,177Korean Air
Find Deal
dom., ago. 24 - dom., ago. 31
Air Canada Logo
7:40 pm - 2:26 pmPNH-SEA
32h 46m2 stops
Air Canada Logo
8:00 pm - 1:45 pmSEA-PNH
26h 45m2 stops
$1,209Air Canada
Find Deal
jue., oct. 30 - mié., nov. 12

EVA Air flights from Phnom Penh to State of Washington

Our best EVA Air deals on Phnom Penh to State of Washington flight tickets
EVA Air
Sep 1
PNH12:35 pmPhnom Penh Pochentong
20h 55m
1 stop
SEA7:30 pmSeattle/Tacoma Intl
Sep 11
SEA1:30 amSeattle/Tacoma Intl
19h 45m
1 stop
PNH11:15 amPhnom Penh Pochentong
$1,089
Find similar
EVA Air
Sep 2
PNH12:35 pmPhnom Penh Pochentong
20h 15m
1 stop
SEA6:50 pmSeattle/Tacoma Intl
Sep 9
SEA1:30 amSeattle/Tacoma Intl
19h 45m
1 stop
PNH11:15 amPhnom Penh Pochentong
$1,114
Find similar
EVA Air
Sep 21
PNH12:35 pmPhnom Penh Pochentong
20h 55m
1 stop
SEA7:30 pmSeattle/Tacoma Intl
Sep 23
SEA12:30 amSeattle/Tacoma Intl
20h 45m
1 stop
PNH11:15 amPhnom Penh Pochentong
$1,116
Find similar

Korean Air flights from Phnom Penh to State of Washington

Our best Korean Air deals on Phnom Penh to State of Washington flight tickets
Korean Air
Sep 1
PNH11:30 pmPhnom Penh Pochentong
25h 10m
1 stop
SEA10:40 amSeattle/Tacoma Intl
Sep 12
SEA12:50 pmSeattle/Tacoma Intl
19h 20m
1 stop
PNH10:10 pmPhnom Penh Pochentong
$841
Find similar
Korean Air
Aug 24
PNH11:30 pmPhnom Penh Pochentong
25h 20m
1 stop
SEA10:50 amSeattle/Tacoma Intl
Aug 31
SEA1:20 pmSeattle/Tacoma Intl
18h 50m
1 stop
PNH10:10 pmPhnom Penh Pochentong
$1,177
Find similar
Korean Air
Sep 2
PNH11:30 pmPhnom Penh Pochentong
30h 30m
2 stops
SEA4:00 pmSeattle/Tacoma Intl
Sep 10
SEA12:50 pmSeattle/Tacoma Intl
19h 20m
1 stop
PNH10:10 pmPhnom Penh Pochentong
$1,220
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Phnom Penh to State of Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated agosto 14, 2025.
Use the filters below to find and compare flights from Phnom Penh to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

sáb. 10/4

11:55 pm-12:30 pm

1 stop26h 35m

Seattle/Tacoma Intl

jue. 7/30

12:10 am-10:55 pm

1 stop32h 45m

$787

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

sáb. 10/4

11:55 pm-12:30 pm

1 stop26h 35m

Seattle/Tacoma Intl

sáb. 5/30

12:10 am-10:55 pm

1 stop32h 45m

$805

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

lun. 9/1

11:30 pm-10:40 am

1 stop25h 10m

Seattle/Tacoma Intl

vie. 9/12

12:50 pm-10:10 pm

1 stop19h 20m

$841

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

lun. 9/1

7:10 pm-7:15 pm

2 stops62h 05m

Seattle/Tacoma Intl

vie. 9/12

12:50 pm-10:10 pm

1 stop19h 20m

$926

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

mié. 10/15

9:10 am-4:10 pm

2 stops21h 00m

Seattle/Tacoma Intl

mié. 10/15

1:15 am-5:35 pm

2 stops26h 20m

$952

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

lun. 9/1

12:35 pm-7:30 pm

1 stop20h 55m

Seattle/Tacoma Intl

jue. 9/11

1:30 am-11:15 am

1 stop19h 45m

$1,089

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

mar. 9/2

12:35 pm-6:50 pm

1 stop20h 15m

Seattle/Tacoma Intl

mar. 9/9

1:30 am-11:15 am

1 stop19h 45m

$1,114

Phnom PenhPortland

PNH - PDX

PNHPDX

Phnom Penh Pochentong

mié. 11/5

7:40 pm-9:15 am

2 stops28h 35m

Portland

mié. 11/26

9:50 am-6:30 pm

3 stops41h 40m

$1,157

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

dom. 8/24

11:30 pm-10:50 am

1 stop25h 20m

Seattle/Tacoma Intl

dom. 8/31

1:20 pm-10:10 pm

1 stop18h 50m

$1,177

Phnom PenhSeattle

PNH - SEA

PNHSEA

Phnom Penh Pochentong

jue. 10/30

7:40 pm-2:26 pm

2 stops32h 46m

Seattle/Tacoma Intl

mié. 11/12

8:00 pm-1:45 pm

2 stops26h 45m

$1,209

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

How to get the cheapest flight ticket from Phnom Penh to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to State of Washington?

The month of November is, on average, the cheapest month to fly to State of Washington from Phnom Penh, with most prices found around $964. If you aren’t able to travel to State of Washington during the month of November, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $983.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Phnom Penh to State of Washington is on a Wednesday. Travelers who choose to depart for State of Washington on a Wednesday will often find tickets for as low as $1,104. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Phnom Penh to State of Washington for around $1,403.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is at noon when flights can be purchased for as low as $992. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,354 on average. Flights to State of Washington from Phnom Penh in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Phnom Penh to State of Washington flights?

You could potentially save up to 7% on your flight if you consider stops on a Phnom Penh to State of Washington flight.

Cheap Phnom Penh to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phnom Penh to State of Washington

Best Price Found

$497

Fastest flight time

20h 15m

Direct flights

None

Airports in State of Washington

2 airports
The best one-way flight to State of Washington from Phnom Penh in the past 72 hours is $497. The best round-trip flight deal from Phnom Penh to State of Washington found on momondo in the last 72 hours is $787.
The fastest flight from Phnom Penh to State of Washington takes 20h 15m
There are no direct flights from Phnom Penh to State of Washington. Popular non-direct routes for this connection are Phnom Penh Pochentong Airport - Portland Airport and Phnom Penh Pochentong Airport - Seattle/Tacoma Intl Airport.
There are 2 airports near State of Washington: Portland (PDX), Seattle/Tacoma Intl (SEA)
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  • When did momondo last update prices for flights from Phnom Penh Pochentong Airport to Washington?

    Prices for flights from Phnom Penh Pochentong Airport to Washington are updated daily.

  • How many operators does momondo search for flights from Phnom Penh Pochentong Airport to Washington?

  • How old do you have to be to fly from Phnom Penh Pochentong Airport to Washington?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Phnom Penh Pochentong Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Phnom Penh to State of Washington

Compare and see reviews for airlines that fly from Phnom Penh to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
Asiana AirlinesPriceFrom $707Free CancellationRating
8.2
473 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $831Free CancellationRating
8.4
1,131 reviews
Search Korean Air flights
China AirlinesPriceFrom $991Free CancellationRating
8.3
762 reviews
Search China Airlines flights
EVA AirPriceFrom $1,062Free CancellationRating
8.4
1,233 reviews
Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Phnom Penh to Washington?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Phnom Penh to Washington for you.

Can I find flights from Phnom Penh to Washington with flexible booking policies on momondo?

Yes. All flights to Washington from Phnom Penh on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Phnom Penh to Washington?

momondo helps you find the best flight between Phnom Penh and Washington by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Phnom Penh to Washington right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington from Phnom Penh. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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