Cambodia

$277+ Cheap flights from Washington to Cambodia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — KTI
Feb 28 — Mar 71
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Cheap flight deals from Washington to Cambodia

Cheapest flights from Washington to Cambodia
Explore the most affordable flight options available from Washington to Cambodia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This FlightHub deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2210:15 am
SEA
-
SAI
1 stop38h 55m
Singapore Airlines
Sat 6/610:30 am
SAI
-
SEA
1 stop36h 15m
Singapore Airlines
Deal found 1/27$540
This oojo deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:49 pm
SEA
-
SAI
2 stops30h 21m
Singapore Airlines
Wed 5/2710:30 am
SAI
-
SEA
1 stop36h 15m
Singapore Airlines
Deal found 1/27$733
This oojo deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2210:15 am
SEA
-
SAI
1 stop38h 55m
Singapore Airlines
Sun 5/3110:30 am
SAI
-
SEA
2 stops36h 27m
Singapore Airlines
Deal found 1/28$739
This FlightHub deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2610:15 am
SEA
-
SAI
1 stop38h 55m
Singapore Airlines
Sat 7/1110:30 am
SAI
-
SEA
1 stop36h 15m
Singapore Airlines
Deal found 1/29$813
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/611:35 am
SEA
-
SAI
2 stops32h 05m
United Airlines
Sun 4/1210:30 am
SAI
-
SEA
2 stops50h 57m
United Airlines
Deal found 1/27$838
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2512:32 pm
SEA
-
SAI
2 stops60h 23m
United Airlines
Wed 3/1110:45 am
SAI
-
SEA
2 stops43h 29m
United Airlines
Deal found 1/27$840
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/57:37 pm
SEA
-
SAI
2 stops48h 03m
United Airlines
Wed 4/1510:30 am
SAI
-
SEA
2 stops46h 05m
United Airlines
Deal found 1/27$844
This Justfly.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/310:15 am
SEA
-
SAI
1 stop33h 25m
Singapore Airlines
Sat 4/1810:30 am
SAI
-
SEA
1 stop36h 15m
Singapore Airlines
Deal found 1/27$855
This Justfly.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/310:15 am
SEA
-
SAI
1 stop33h 25m
Singapore Airlines
Mon 4/1310:30 am
SAI
-
SEA
1 stop36h 15m
Singapore Airlines
Deal found 1/27$868
This oojo deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/218:45 am
SEA
-
SAI
1 stop34h 05m
Singapore Airlines
Sat 12/124:45 pm
SAI
-
SEA
1 stop29h 25m
Singapore Airlines
Deal found 1/26$931

Find flight deals from Washington to Cambodia

Keep the following information in mind while searching for Washington to Cambodia flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$540
(FlightHub)

One-way from

$277
(oojo)

Popular in

June

Cheapest in

January

Average price

$814
Provider with most accurate pricing for Seattle/Tacoma Intl-Phnom Penh Pochentong flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Phnom Penh Pochentong flights.
From Washington to Cambodia
One-way flight from Washington to Cambodia
Highest demand for flights based on searches. 18% potential increase in price ($241 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
Average for round-trip flights in January 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Cambodia 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, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Washington to Cambodia that are best for you.

Fly from

Washington

Fly to

Cambodia

Route

Depart

Return

Price

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Sat 5/23

10:15 am-9:40 am

1 stop33h 25m

Siem Reap–Angkor Intl

Sat 6/6

10:30 am-8:45 am

1 stop36h 15m

$540

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Wed 5/20

6:49 pm-3:10 pm

2 stops30h 21m

Siem Reap–Angkor Intl

Wed 5/27

10:30 am-8:45 am

1 stop36h 15m

$733

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Fri 6/26

10:15 am-3:10 pm

1 stop38h 55m

Siem Reap–Angkor Intl

Sat 7/11

10:30 am-8:45 am

1 stop36h 15m

$813

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Mon 4/6

7:37 pm-9:40 am

2 stops24h 03m

Siem Reap–Angkor Intl

Sun 4/19

10:30 am-10:39 am

2 stops38h 09m

$838

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Wed 2/25

12:32 pm-3:55 pm

2 stops60h 23m

Siem Reap–Angkor Intl

Wed 3/11

10:45 am-4:14 pm

2 stops43h 29m

$840

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Sun 4/5

5:45 pm-9:40 am

2 stops49h 55m

Siem Reap–Angkor Intl

Sun 4/12

10:30 am-11:27 pm

2 stops50h 57m

$844

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Sun 4/5

8:42 am-9:40 am

2 stops58h 58m

Siem Reap–Angkor Intl

Sun 4/19

10:30 am-10:39 am

2 stops38h 09m

$844

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Sun 4/5

5:45 pm-9:40 am

2 stops49h 55m

Siem Reap–Angkor Intl

Wed 4/15

10:30 am-11:27 pm

2 stops50h 57m

$844

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Sat 4/4

10:15 am-9:40 am

1 stop33h 25m

Siem Reap–Angkor Intl

Sun 4/12

4:00 pm-8:59 am

2 stops30h 59m

$938

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Mon 4/6

5:45 pm-9:40 am

2 stops25h 55m

Siem Reap–Angkor Intl

Mon 4/20

10:30 am-6:35 pm

2 stops46h 05m

$959

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 20 results
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Best time to book a flight from Washington to Cambodia

Have a flexible travel schedule? Discover the best time to fly to Cambodia from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Cambodia

What is the cheapest month to book a flight from State of Washington to Cambodia?

Currently, November is the cheapest month in which you can book a flight from State of Washington to Cambodia (average of $364). Flying from State of Washington to Cambodia in July is currently the most expensive (average of $928). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Washington to Cambodia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from State of Washington to Cambodia?

    For as low as $838, Singapore Airlines can have you in Cambodia from State of Washington in 24h 03m. The distance between State of Washington and Cambodia is about 7346 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from State of Washington to Cambodia one-way?

    For one-way options, check prices for Korean Air. According to our data, you can fly for as low as $262. Users have also found prices from $298 and $317 on Asiana Airlines and Delta, respectively.

  • Can I find deals for flights from Washington to Cambodia that include hotel bookings?

    Yes. In addition to deals on Washington to Cambodia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Cambodia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Cambodia.

  • Can I find deals for business class flights from Washington to Cambodia?

    Yes. Cheapflights offers flight deals from Washington to Cambodia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Cambodia?

    Currently, November is the cheapest month in which you can book a flight from State of Washington to Cambodia (average of $364). Flying from State of Washington to Cambodia in July is currently the most expensive (average of $928). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington to Cambodia

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Washington to Cambodia

Discover the top 8 airlines that operate flights from Washington to Cambodia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$506Average$955FlexibilityNo cancel feeOn-time81%
DeltaCheapest$574Average$1,525FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$581Average$922FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$616Average$936FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$636Average$1,174FlexibilityNo cancel feeOn-time70%
Philippine AirlinesCheapest$693Average$925FlexibilityNo cancel feeOn-time60%
Cathay PacificCheapest$816Average$905FlexibilityNo cancel feeOn-time72%
EVA AirCheapest$895Average$1,288FlexibilityNo cancel feeOn-time74%

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