What is the cheapest airline that flies from Washington to Cambodia?

Cathay Pacific is the most popular carrier operating from Washington to Cambodia

What airlines fly to Cambodia?

EVA Air, Asiana Airlines and Singapore Airlines are the top three most popular airlines that fly to Cambodia from State of Washington according to our data. EVA Air is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Cambodia. Keep in mind that there are 8 different airlines that fly to Cambodia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Washington to Cambodia?

Prices for flights from Washington to Cambodia were last updated today.

How many operators does momondo search for flights from Washington to Cambodia?

As of September 2026, there are 8 operators available to choose from for flights from Washington to Cambodia.

How old do you have to be to fly from Washington to Cambodia?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Cambodia.

What documentation or ID do you need to fly to Cambodia?

The required travel and health documents for your Cambodia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cambodia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$319 Cheap Flights from Washington to Cambodia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Cambodia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:40 am - 8:35 amSEA Seattle/Tacoma Intl-KTI Phnom Penh Techo Intl

32h 55m1 stop Singapore Changi

9:35 am - 7:05 amKTI Phnom Penh Techo Intl-SEA Seattle/Tacoma Intl

36h 30m1 stop Singapore Changi

$584Singapore Airlines

Wed, Jan 20 - Sat, Jan 30

8:40 am - 1:45 pmSEA Seattle/Tacoma Intl-KTI Phnom Penh Techo Intl

38h 05m1 stop Singapore Changi

2:40 pm - 7:05 amKTI Phnom Penh Techo Intl-SEA Seattle/Tacoma Intl

31h 25m1 stop Singapore Changi

$587Singapore Airlines

Wed, Jan 13 - Mon, Jan 25

11:45 am - 10:15 amSEA Seattle/Tacoma Intl-KTI Phnom Penh Techo Intl

32h 30m1 stop Hong Kong Intl

11:45 am - 9:45 amKTI Phnom Penh Techo Intl-SEA Seattle/Tacoma Intl

36h 00m1 stop Hong Kong Intl

$811Cathay Pacific

Wed, Oct 21 - Sun, Oct 25

10:25 am - 10:25 amSEA Seattle/Tacoma Intl-KTI Phnom Penh Techo Intl

33h 00m1 stop Hong Kong Intl

7:05 pm - 8:45 amKTI Phnom Penh Techo Intl-SEA Seattle/Tacoma Intl

28h 40m1 stop Hong Kong Intl

$820Cathay Pacific

Wed, Jan 13 - Wed, Jan 27

3:40 pm - 8:45 amSEA Seattle/Tacoma Intl-KTI Phnom Penh Techo Intl

26h 05m2 stops Tokyo Haneda Bangkok Suvarnabhumi

1:50 pm - 1:20 pmKTI Phnom Penh Techo Intl-SEA Seattle/Tacoma Intl

38h 30m2 stops Ho Chi Minh City Tokyo Haneda

$854Multiple Airlines

Sun, Nov 29 - Sat, Dec 12

10:25 am - 10:25 amSEA Seattle/Tacoma Intl-KTI Phnom Penh Techo Intl

33h 00m1 stop Hong Kong Intl

7:05 pm - 7:08 amKTI Phnom Penh Techo Intl-SEA Seattle/Tacoma Intl

27h 03m2 stops Hong Kong Intl Vancouver Intl

$857Multiple Airlines

Wed, Jan 13 - Wed, Jan 27

12:30 pm - 10:45 pmSEA Seattle/Tacoma Intl-KTI Phnom Penh Techo Intl

19h 15m1 stop Incheon Intl

12:10 am - 11:56 amKTI Phnom Penh Techo Intl-SEA Seattle/Tacoma Intl

26h 46m1 stop Incheon Intl

$929Delta

Wed, Nov 18 - Sun, Dec 20

11:00 am - 10:45 pmSEA Seattle/Tacoma Intl-KTI Phnom Penh Techo Intl

20h 45m1 stop Incheon Intl

12:10 am - 2:10 pmKTI Phnom Penh Techo Intl-SEA Seattle/Tacoma Intl

29h 00m1 stop Incheon Intl

$933Korean Air

Wed, Nov 11 - Wed, Nov 25

12:10 am - 10:45 pmSEA Seattle/Tacoma Intl-KTI Phnom Penh Techo Intl

31h 35m1 stop Incheon Intl

12:10 am - 2:10 pmKTI Phnom Penh Techo Intl-SEA Seattle/Tacoma Intl

29h 00m1 stop Incheon Intl

$933Korean Air

Sun, Nov 8 - Wed, Nov 18

12:30 pm - 10:45 pmSEA Seattle/Tacoma Intl-KTI Phnom Penh Techo Intl

19h 15m1 stop Incheon Intl

12:10 am - 11:56 amKTI Phnom Penh Techo Intl-SEA Seattle/Tacoma Intl

26h 46m1 stop Incheon Intl

$979Delta

Wed, Nov 18 - Thu, Dec 17

Cheap last minute flights

Enter your travel dates to find the best prices.

11:45 am - 10:15 amSEA Seattle/Tacoma Intl-KTI Phnom Penh Techo Intl

32h 30m1 stop Hong Kong Intl

6:30 pm - 10:05 amKTI Phnom Penh Techo Intl-SEA Seattle/Tacoma Intl

29h 35m1 stop Hong Kong Intl

$823Cathay Pacific

Wed, Sep 23 - Wed, Oct 14

11:45 am - 10:15 amSEA Seattle/Tacoma Intl-KTI Phnom Penh Techo Intl

32h 30m1 stop Hong Kong Intl

11:45 am - 9:45 amKTI Phnom Penh Techo Intl-SEA Seattle/Tacoma Intl

36h 00m1 stop Hong Kong Intl

$846Cathay Pacific

Mon, Sep 28 - Wed, Oct 28

11:45 am - 10:15 amSEA Seattle/Tacoma Intl-KTI Phnom Penh Techo Intl

32h 30m1 stop Hong Kong Intl

7:05 pm - 8:45 amKTI Phnom Penh Techo Intl-SEA Seattle/Tacoma Intl

28h 40m1 stop Hong Kong Intl

$846Cathay Pacific

Mon, Sep 28 - Sun, Nov 1

11:45 am - 5:15 pmSEA Seattle/Tacoma Intl-KTI Phnom Penh Techo Intl

39h 30m1 stop Hong Kong Intl

6:30 pm - 7:08 amKTI Phnom Penh Techo Intl-SEA Seattle/Tacoma Intl

26h 38m2 stops Hong Kong Intl Vancouver Intl

$884Multiple Airlines

Wed, Sep 23 - Wed, Oct 14

11:45 am - 10:15 amSEA Seattle/Tacoma Intl-KTI Phnom Penh Techo Intl

32h 30m1 stop Hong Kong Intl

11:25 am - 9:39 pmKTI Phnom Penh Techo Intl-SEA Seattle/Tacoma Intl

24h 14m2 stops Hong Kong Intl Los Angeles

$889Multiple Airlines

Thu, Sep 24 - Wed, Sep 30

1:00 pm - 10:15 pmSEA Seattle/Tacoma Intl-KTI Phnom Penh Techo Intl

19h 15m1 stop Incheon Intl

12:10 am - 12:51 pmKTI Phnom Penh Techo Intl-SEA Seattle/Tacoma Intl

26h 41m1 stop Incheon Intl

$969Delta

Mon, Sep 28 - Wed, Oct 28

7:15 am - 10:15 pmSEA Seattle/Tacoma Intl-KTI Phnom Penh Techo Intl

25h 00m2 stops San Francisco Incheon Intl

12:10 am - 4:37 pmKTI Phnom Penh Techo Intl-SEA Seattle/Tacoma Intl

30h 27m2 stops Incheon Intl San Francisco

$989Korean Air

Mon, Sep 28 - Wed, Oct 28

7:15 am - 10:15 pmSEA Seattle/Tacoma Intl-KTI Phnom Penh Techo Intl

25h 00m2 stops San Francisco Incheon Intl

12:10 am - 2:50 pmKTI Phnom Penh Techo Intl-SEA Seattle/Tacoma Intl

28h 40m2 stops Incheon Intl Los Angeles

$989Korean Air

Mon, Sep 28 - Tue, Oct 27

1:00 pm - 10:15 pmSEA Seattle/Tacoma Intl-KTI Phnom Penh Techo Intl

19h 15m1 stop Incheon Intl

12:10 am - 12:51 pmKTI Phnom Penh Techo Intl-SEA Seattle/Tacoma Intl

26h 41m1 stop Incheon Intl

$1,019Delta

Mon, Sep 28 - Fri, Oct 30

7:11 am - 10:25 pmSEA Seattle/Tacoma Intl-KTI Phnom Penh Techo Intl

49h 14m2 stops San Francisco Incheon Intl

12:25 am - 8:47 pmKTI Phnom Penh Techo Intl-SEA Seattle/Tacoma Intl

34h 22m2 stops Incheon Intl San Francisco

$2,205Asiana Airlines

Mon, Sep 28 - Fri, Oct 30

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Cathay Pacific flights from State of Washington to Cambodia

Our best Cathay Pacific deals on State of Washington to Cambodia flight tickets

Cathay Pacific

Oct 21

SEA11:45 amSeattle/Tacoma Intl

32h 30m

1 stop

KTI10:15 amPhnom Penh Techo Intl

Oct 25

KTI11:45 amPhnom Penh Techo Intl

36h 00m

1 stop

SEA9:45 amSeattle/Tacoma Intl

$811

Cathay Pacific

Jan 13

SEA10:25 amSeattle/Tacoma Intl

33h 00m

1 stop

KTI10:25 amPhnom Penh Techo Intl

Jan 27

KTI7:05 pmPhnom Penh Techo Intl

28h 40m

1 stop

SEA8:45 amSeattle/Tacoma Intl

$820

Cathay Pacific

Jan 14

SEA10:25 amSeattle/Tacoma Intl

40h 20m

1 stop

KTI5:45 pmPhnom Penh Techo Intl

Jan 27

KTI7:05 pmPhnom Penh Techo Intl

28h 40m

1 stop

SEA8:45 amSeattle/Tacoma Intl

$823

Delta flights from State of Washington to Cambodia

Our best Delta deals on State of Washington to Cambodia flight tickets

Delta

Nov 18

SEA12:30 pmSeattle/Tacoma Intl

19h 15m

1 stop

KTI10:45 pmPhnom Penh Techo Intl

Dec 20

KTI12:10 amPhnom Penh Techo Intl

26h 46m

1 stop

SEA11:56 amSeattle/Tacoma Intl

$929

Delta

Sep 28

SEA1:00 pmSeattle/Tacoma Intl

19h 15m

1 stop

KTI10:15 pmPhnom Penh Techo Intl

Oct 28

KTI12:10 amPhnom Penh Techo Intl

26h 41m

1 stop

SEA12:51 pmSeattle/Tacoma Intl

$969

Delta

Oct 3

SEA1:00 pmSeattle/Tacoma Intl

19h 15m

1 stop

KTI10:15 pmPhnom Penh Techo Intl

Oct 28

KTI12:10 amPhnom Penh Techo Intl

26h 41m

1 stop

SEA12:51 pmSeattle/Tacoma Intl

$1,019

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Cambodia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattlePhnom Penh

SEA Seattle/Tacoma Intl - KTI Phnom Penh Techo Intl

SEAKTI

Seattle/Tacoma Intl

Wed 1/20

8:40 am-8:35 am

1 stop32h 55m

Phnom Penh Techo Intl

Sat 1/30

9:35 am-7:05 am

1 stop36h 30m

$584

SeattlePhnom Penh

SEA Seattle/Tacoma Intl - KTI Phnom Penh Techo Intl

SEAKTI

Seattle/Tacoma Intl

Wed 1/13

8:40 am-1:45 pm

1 stop38h 05m

Phnom Penh Techo Intl

Mon 1/25

2:40 pm-7:05 am

1 stop31h 25m

$587

SeattlePhnom Penh

SEA Seattle/Tacoma Intl - KTI Phnom Penh Techo Intl

SEAKTI

Seattle/Tacoma Intl

Wed 10/21

11:45 am-10:15 am

1 stop32h 30m

Phnom Penh Techo Intl

Sun 10/25

11:45 am-9:45 am

1 stop36h 00m

$811

SeattlePhnom Penh

SEA Seattle/Tacoma Intl - KTI Phnom Penh Techo Intl

SEAKTI

Seattle/Tacoma Intl

Wed 1/13

10:25 am-10:25 am

1 stop33h 00m

Phnom Penh Techo Intl

Wed 1/27

7:05 pm-8:45 am

1 stop28h 40m

$820

SeattlePhnom Penh

SEA Seattle/Tacoma Intl - KTI Phnom Penh Techo Intl

SEAKTI

Seattle/Tacoma Intl

Sun 11/29

3:40 pm-8:45 am

2 stops26h 05m

Phnom Penh Techo Intl

Sat 12/12

1:50 pm-1:20 pm

2 stops38h 30m

$854

SeattlePhnom Penh

SEA Seattle/Tacoma Intl - KTI Phnom Penh Techo Intl

SEAKTI

Seattle/Tacoma Intl

Wed 1/13

10:25 am-10:25 am

1 stop33h 00m

Phnom Penh Techo Intl

Wed 1/27

7:05 pm-7:08 am

2 stops27h 03m

$857

Quickest round-trip

SeattlePhnom Penh

SEA Seattle/Tacoma Intl - KTI Phnom Penh Techo Intl

SEAKTI

Seattle/Tacoma Intl

Wed 11/18

12:30 pm-10:45 pm

1 stop19h 15m

Phnom Penh Techo Intl

Sun 12/20

12:10 am-11:56 am

1 stop26h 46m

$929

SeattlePhnom Penh

SEA Seattle/Tacoma Intl - KTI Phnom Penh Techo Intl

SEAKTI

Seattle/Tacoma Intl

Wed 11/11

11:00 am-10:45 pm

1 stop20h 45m

Phnom Penh Techo Intl

Wed 11/25

12:10 am-2:10 pm

1 stop29h 00m

$933

SeattlePhnom Penh

SEA Seattle/Tacoma Intl - KTI Phnom Penh Techo Intl

SEAKTI

Seattle/Tacoma Intl

Sun 11/8

12:10 am-10:45 pm

1 stop31h 35m

Phnom Penh Techo Intl

Wed 11/18

12:10 am-2:10 pm

1 stop29h 00m

$933

SeattlePhnom Penh

SEA Seattle/Tacoma Intl - KTI Phnom Penh Techo Intl

SEAKTI

Seattle/Tacoma Intl

Wed 11/18

12:30 pm-10:45 pm

1 stop19h 15m

Phnom Penh Techo Intl

Thu 12/17

12:10 am-11:56 am

1 stop26h 46m

$979

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington to Cambodia

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

Prices

Airlines

What is the cheapest month to fly to Cambodia?

In general, May is the cheapest month to fly from State of Washington to Cambodia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $772. The month of August is another great option to travel to Cambodia, with average flight prices from State of Washington averaging around $833.

How far in advance should I book a flight from Washington to Cambodia?

You are more likely to see cheaper flights to Cambodia from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Cambodia for around $1,024 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cambodia from State of Washington for as low as $778 on momondo.

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

You could potentially save up to 76% on your flight if you consider stops on a State of Washington to Cambodia flight.

Cheap State of Washington to Cambodia flight deals and tips

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

Best Price Found	$319
Fastest flight time	27h 10m
Direct flights	None

The best one-way flight to Cambodia from State of Washington in the past 72 hours is $319. The best round-trip flight deal from State of Washington to Cambodia found on momondo in the last 72 hours is $584.

The fastest flight from State of Washington to Cambodia takes 27h 10m

There are no direct flights from State of Washington to Cambodia. There are no popular flight routes from State of Washington to Cambodia.

Search flight deals

Frequently asked questions about flying from Washington to Cambodia

When did momondo last update prices for flights from Washington to Cambodia?
Prices for flights from Washington to Cambodia were last updated today.
How many operators does momondo search for flights from Washington to Cambodia?
As of September 2026, there are 8 operators available to choose from for flights from Washington to Cambodia.
How old do you have to be to fly from Washington to Cambodia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Cambodia.
What documentation or ID do you need to fly to Cambodia?
The required travel and health documents for your Cambodia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cambodia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from State of Washington to Cambodia

Compare and see reviews for airlines that fly from State of Washington to Cambodia with momondo

Airline	Rating	Free Cancellation	Price
Philippine Airlines	PriceFrom $364	Free Cancellation	Rating 7.3 1,027 reviews	Search Philippine Airlines flights
Korean Air	PriceFrom $500	Free Cancellation	Rating 8.4 1,218 reviews	Search Korean Air flights
Singapore Airlines	PriceFrom $543	Free Cancellation	Rating 8.2 1,607 reviews	Search Singapore Airlines flights
Asiana Airlines	PriceFrom $566	Free Cancellation	Rating 8.1 562 reviews	Search Asiana Airlines flights
China Airlines	PriceFrom $636	Free Cancellation	Rating 8.3 847 reviews	Search China Airlines flights
Cathay Pacific	PriceFrom $730	Free Cancellation	Rating 7.6 1,490 reviews	Search Cathay Pacific flights
Delta	PriceFrom $753	Free Cancellation	Rating 7.8 8,596 reviews	Search Delta flights
EVA Air	PriceFrom $1,054	Free Cancellation	Rating 8.5 1,531 reviews	Search EVA Air flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cambodia from Washington.

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

Yes. momondo allows you to filter the results for Washington to Cambodia flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington to Cambodia?

momondo provides multiple filters to help you find the best flight to Cambodia from Washington. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Cambodia, momondo offers a useful price alert feature which will track prices for flights to Cambodia from Washington and alert you when they change.

An easier way to manage your Cambodia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 10/22

Thu 10/29

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Cambodia

Popular cities

Other flights from Washington

Other flights to Cambodia

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Cambodia

Flights to Phnom Penh

Flights to Siem Reapfrom $589

Flights to Krong Preah Sihanoukfrom $1,190

Cheap flights from Washington to Cambodia from $319

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Cambodia departing on 1/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Washington to Cambodia

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Cathay Pacific flights from State of Washington to Cambodia

Our best Cathay Pacific deals on State of Washington to Cambodia flight tickets

Delta flights from State of Washington to Cambodia

Our best Delta deals on State of Washington to Cambodia flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Cambodia that are best for you.

See travel insights to Cambodia from

How to get the cheapest flight ticket from State of Washington to Cambodia

What is the cheapest month to fly to Cambodia?

How far in advance should I book a flight from Washington to Cambodia?

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

What is the cheapest airline that flies from Washington to Cambodia?

What airlines fly to Cambodia?

Cheap State of Washington to Cambodia flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington to Cambodia

Best airlines flying from State of Washington to Cambodia

Compare and see reviews for airlines that fly from State of Washington to Cambodia with momondo

Why use momondo?

An easier way to manage your Cambodia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Cambodia

Popular cities in Cambodia

Popular flights according to clicks in the last 7 days on momondo

State of Washington flight routes

According to popular flight searches on momondo this year

Cambodia flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Cambodia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Cambodia

List of cabin classes available on flights landing in Cambodia. Availability may vary depending on flight origin and airline.

Complete your trip to Cambodia

Explore popular destinations other users love

According to popular flight searches on momondo this year