Cambodia

$308+ Cheap flights from Seattle (SEA) to Cambodia

SEA — KTI
Dec 9 — Dec 161
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Cheap flight deals from Seattle to Cambodia

Cheapest flights from Seattle to Cambodia

Wed 11/114:59 pm -
2 stops33h 46m
Wed 11/1811:45 am -
1 stop36h 00m
Deal found 11/6$889
Wed 11/254:45 pm -
2 stops34h 00m
Sat 12/121:20 am -
1 stop32h 25m
Deal found 11/6$891
Wed 11/1110:25 am -
1 stop40h 20m
Thu 11/2611:45 am -
2 stops25h 56m
Deal found 11/4$894
Mon 11/94:59 pm -
2 stops26h 26m
Thu 11/191:20 am -
1 stop32h 25m
Deal found 11/4$899
Mon 11/94:59 pm -
2 stops26h 26m
Mon 11/1611:45 am -
1 stop36h 00m
Deal found 11/5$905
Sat 11/283:40 pm -
2 stops36h 15m
Thu 12/101:20 am -
1 stop32h 25m
Deal found 11/4$914
Wed 11/1811:26 am -
2 stops63h 19m
Tue 12/811:45 am -
1 stop36h 00m
Deal found 11/8$928
Wed 11/1110:25 am -
1 stop40h 20m
Wed 11/187:05 pm -
1 stop28h 40m
Deal found 11/6$930
Wed 11/1110:25 am -
1 stop40h 20m
Thu 12/1011:45 am -
2 stops26h 16m
Deal found 11/5$931
Mon 11/234:45 pm -
2 stops26h 40m
Wed 12/211:45 am -
1 stop36h 00m
Deal found 11/8$933
Tue 11/178:40 am -
1 stop34h 15m
Thu 12/310:45 am -
1 stop35h 20m
Deal found 11/4$941
Tue 11/1012:00 pm -
2 stops62h 45m
Tue 12/87:05 pm -
1 stop28h 40m
Deal found 11/7$945

Find flight deals from Seattle to Cambodia

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$583
(KAYAK)

One-way from

$308
(KAYAK)

Popular in

December

Cheapest in

May

Average price

$1,104
Provider with most accurate pricing for Seattle/Tacoma Intl-Phnom Penh Techo Intl flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Phnom Penh Techo Intl flights.
From Seattle/Tacoma Intl to Cambodia
One-way flight from Seattle/Tacoma Intl to Cambodia
Highest demand for flights based on searches. 13% potential increase in price ($158 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSiem Reap

SEA Seattle/Tacoma Intl - SAI Siem Reap–Angkor Intl

SEASAI

Seattle/Tacoma Intl

Wed 1/20

8:40 am-4:00 pm

1 stop40h 20m

Siem Reap–Angkor Intl

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$308

SeattlePhnom Penh

SEA Seattle/Tacoma Intl - KTI Phnom Penh Techo Intl

SEAKTI

Seattle/Tacoma Intl

Wed 1/20

8:40 am-6:30 pm

1 stop42h 50m

Phnom Penh Techo Intl

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$315

SeattleSiem Reap

SEA Seattle/Tacoma Intl - SAI Siem Reap–Angkor Intl

SEASAI

Seattle/Tacoma Intl

Fri 4/30

10:15 am-9:40 am

1 stop33h 25m

Siem Reap–Angkor Intl

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$330

SeattlePhnom Penh

SEA Seattle/Tacoma Intl - KTI Phnom Penh Techo Intl

SEAKTI

Seattle/Tacoma Intl

Wed 1/20

5:00 am-6:30 pm

2 stops46h 30m

Phnom Penh Techo Intl

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$444

SeattlePhnom Penh

SEA Seattle/Tacoma Intl - KTI Phnom Penh Techo Intl

SEAKTI

Seattle/Tacoma Intl

Tue 11/24

3:40 pm-6:55 pm

2 stops36h 15m

Phnom Penh Techo Intl

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$449

SeattlePhnom Penh

SEA Seattle/Tacoma Intl - KTI Phnom Penh Techo Intl

SEAKTI

Seattle/Tacoma Intl

Wed 2/3

3:45 pm-10:25 am

2 stops27h 40m

Phnom Penh Techo Intl

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$453

SeattleSiem Reap

SEA Seattle/Tacoma Intl - SAI Siem Reap–Angkor Intl

SEASAI

Seattle/Tacoma Intl

Sun 2/28

8:40 am-11:45 am

2 stops36h 05m

Siem Reap–Angkor Intl

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$506

SeattleSiem Reap

SEA Seattle/Tacoma Intl - SAI Siem Reap–Angkor Intl

SEASAI

Seattle/Tacoma Intl

Wed 1/20

3:45 pm-8:45 am

2 stops26h 00m

Siem Reap–Angkor Intl

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$585

SeattleSiem Reap

SEA Seattle/Tacoma Intl - SAI Siem Reap–Angkor Intl

SEASAI

Seattle/Tacoma Intl

Mon 3/1

3:45 pm-2:50 pm

3 stops32h 05m

Siem Reap–Angkor Intl

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$629

SeattleSiem Reap

SEA Seattle/Tacoma Intl - SAI Siem Reap–Angkor Intl

SEASAI

Seattle/Tacoma Intl

Tue 1/26

8:40 am-9:55 am

1 stop58h 15m

Siem Reap–Angkor Intl

Sun 2/14

10:45 am-7:05 am

1 stop59h 20m

$880

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/7

Showing 1-10 of 31 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Cambodia

Have a flexible travel schedule? Discover the best time to fly to Cambodia from Seattle with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

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

What is the cheapest month to book a flight from Seattle to Cambodia?

Currently, May is the cheapest month in which you can book a flight from Seattle to Cambodia (average of $772). Flying from Seattle to Cambodia in December is currently the most expensive (average of $1,317). 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.

How far ahead should I book a flight from Seattle to Cambodia?

The price you pay for your flight from Seattle to Cambodia may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Cambodia

Read reviews from past customers who have flown EVA Air,Korean Air, andChina Airlines from Seattle to Cambodia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2026

SEA - TPE

The food on EVA suits my Asian palate and is always of a high standard. The flight was comfortable and the crew very helpful. I lost an ear bud while I slept and they helped me find it at the end of the flight. I was very grateful!

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2026

SEA - TPE

The food on EVA suits my Asian palate and is always of a high standard. The flight was comfortable and the crew very helpful. I lost an ear bud while I slept and they helped me find it at the end of the flight. I was very grateful!

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2026

SEA - TPE

The food on EVA suits my Asian palate and is always of a high standard. The flight was comfortable and the crew very helpful. I lost an ear bud while I slept and they helped me find it at the end of the flight. I was very grateful!

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2026

SEA - TPE

The food on EVA suits my Asian palate and is always of a high standard. The flight was comfortable and the crew very helpful. I lost an ear bud while I slept and they helped me find it at the end of the flight. I was very grateful!

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2026

SEA - TPE

The food on EVA suits my Asian palate and is always of a high standard. The flight was comfortable and the crew very helpful. I lost an ear bud while I slept and they helped me find it at the end of the flight. I was very grateful!

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2026

SEA - TPE

The food on EVA suits my Asian palate and is always of a high standard. The flight was comfortable and the crew very helpful. I lost an ear bud while I slept and they helped me find it at the end of the flight. I was very grateful!

Related info for your journey

  • What airport do you fly from for flights from Seattle to Cambodia?

    If you book a flight to Cambodia from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle.

  • How long is the flight from Seattle to Cambodia?

    Departing from Seattle to Cambodia will take you 38h 05m. There are 7346 mi between Seattle and Cambodia. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Seattle to Cambodia one-way?

    To fly one-way, consider booking your trip with Singapore Airlines, which is currently one of the cheapest options available, starting at $270. Asiana Airlines flights start at $291 while deals on Philippine Airlines start at $311 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to Cambodia?

    Currently, May is the cheapest month in which you can book a flight from Seattle to Cambodia (average of $772). Flying from Seattle to Cambodia in December is currently the most expensive (average of $1,317). 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

Top 8 airlines flying from Seattle to Cambodia

AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest$364Average$442FlexibilityNo cancel feeOn-time60%
Korean AirCheapest$500Average$955FlexibilityNo cancel feeOn-time81%
Singapore AirlinesCheapest$543Average$846FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$566Average$793FlexibilityNo cancel feeOn-time76%
China AirlinesCheapest$636Average$1,238FlexibilityNo cancel feeOn-time70%
Cathay PacificCheapest$730Average$863FlexibilityNo cancel feeOn-time72%
DeltaCheapest$753Average$1,194FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$1,053Average$1,339FlexibilityNo cancel feeOn-time74%

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