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Cheap flights from Seattle to Cambodia from $430

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Cambodia departing on 9/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Cambodia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
8:45 am - 9:50 am
SEA
-
SAI
34h 05m
1 stop
Singapore Airlines Logo
4:45 pm - 7:10 am
SAI
-
SEA
29h 25m
1 stop
$854Singapore Airlines
Tue, Nov 17 - Thu, Dec 10
Singapore Airlines Logo
8:45 am - 9:50 am
SEA
-
SAI
34h 05m
1 stop
Singapore Airlines Logo
10:45 am - 7:10 am
SAI
-
SEA
35h 25m
1 stop
$854Singapore Airlines
Tue, Nov 17 - Thu, Dec 3
Singapore Airlines Logo
8:45 am - 3:55 pm
SEA
-
SAI
40h 10m
1 stop
Singapore Airlines Logo
10:45 am - 7:10 am
SAI
-
SEA
35h 25m
1 stop
$854Singapore Airlines
Tue, Nov 10 - Thu, Dec 3
Singapore Airlines Logo
8:45 am - 9:50 am
SEA
-
SAI
34h 05m
1 stop
Singapore Airlines Logo
10:45 am - 7:10 am
SAI
-
SEA
35h 25m
1 stop
$860Singapore Airlines
Tue, Nov 17 - Thu, Dec 3
Singapore Airlines Logo
10:15 am - 9:40 am
SEA
-
SAI
33h 25m
1 stop
Singapore Airlines Logo
10:30 am - 8:45 am
SAI
-
SEA
36h 15m
1 stop
$926Singapore Airlines
Thu, Sep 17 - Thu, Oct 1
Singapore Airlines Logo
10:15 am - 9:40 am
SEA
-
SAI
33h 25m
1 stop
Singapore Airlines Logo
10:30 am - 8:45 am
SAI
-
SEA
36h 15m
1 stop
$942Singapore Airlines
Thu, Sep 17 - Thu, Oct 1
Singapore Airlines Logo
8:45 am - 9:50 am
SEA
-
SAI
34h 05m
1 stop
Singapore Airlines Logo
10:45 am - 7:10 am
SAI
-
SEA
35h 25m
1 stop
$947Singapore Airlines
Tue, Nov 17 - Sat, Dec 5
Singapore Airlines Logo
10:15 am - 9:40 am
SEA
-
SAI
33h 25m
1 stop
Singapore Airlines Logo
10:30 am - 8:45 am
SAI
-
SEA
36h 15m
1 stop
$948Singapore Airlines
Thu, Sep 17 - Thu, Oct 1
Multiple Airlines Logo
4:30 pm - 9:00 am
SEA
-
SAI
26h 30m
2 stops
Multiple Airlines Logo
7:10 pm - 2:25 pm
SAI
-
SEA
33h 15m
2 stops
$1,011Multiple Airlines
Sat, Oct 10 - Fri, Oct 16
Multiple Airlines Logo
3:40 pm - 9:15 am
SEA
-
SAI
26h 35m
2 stops
Multiple Airlines Logo
6:40 pm - 1:20 pm
SAI
-
SEA
33h 40m
2 stops
$1,011Multiple Airlines
Mon, Nov 16 - Fri, Dec 4

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Singapore Airlines flights from Seattle to Cambodia

Our best Singapore Airlines deals on Seattle to Cambodia flight tickets
Singapore Airlines
Sep 17
SEA10:15 amSeattle/Tacoma Intl
33h 25m
1 stop
SAI9:40 amSiem Reap–Angkor Intl
Oct 1
SAI10:30 amSiem Reap–Angkor Intl
36h 15m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$926
Singapore Airlines
Sep 17
SEA10:15 amSeattle/Tacoma Intl
33h 25m
1 stop
SAI9:40 amSiem Reap–Angkor Intl
Oct 1
SAI10:30 amSiem Reap–Angkor Intl
36h 15m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$942
Singapore Airlines
Sep 17
SEA10:15 amSeattle/Tacoma Intl
33h 25m
1 stop
SAI9:40 amSiem Reap–Angkor Intl
Oct 1
SAI10:30 amSiem Reap–Angkor Intl
36h 15m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$948

momondo Fare Finder

 
Customize your flight search to find flights from Seattle 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, momondo users made 832,500 searches. Data last updated July 28, 2026.
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 - SAI

SEASAI

Seattle/Tacoma Intl

Tue 11/17

8:45 am-9:50 am

1 stop34h 05m

Siem Reap–Angkor Intl

Thu 12/10

4:45 pm-7:10 am

1 stop29h 25m

$854

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Tue 11/17

8:45 am-9:50 am

1 stop34h 05m

Siem Reap–Angkor Intl

Thu 12/3

10:45 am-7:10 am

1 stop35h 25m

$854

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Tue 11/10

8:45 am-3:55 pm

1 stop40h 10m

Siem Reap–Angkor Intl

Thu 12/3

10:45 am-7:10 am

1 stop35h 25m

$854

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Tue 11/17

8:45 am-9:50 am

1 stop34h 05m

Siem Reap–Angkor Intl

Thu 12/3

10:45 am-7:10 am

1 stop35h 25m

$860

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Thu 9/17

10:15 am-9:40 am

1 stop33h 25m

Siem Reap–Angkor Intl

Thu 10/1

10:30 am-8:45 am

1 stop36h 15m

$926

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Thu 9/17

10:15 am-9:40 am

1 stop33h 25m

Siem Reap–Angkor Intl

Thu 10/1

10:30 am-8:45 am

1 stop36h 15m

$942

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Tue 11/17

8:45 am-9:50 am

1 stop34h 05m

Siem Reap–Angkor Intl

Sat 12/5

10:45 am-7:10 am

1 stop35h 25m

$947

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Thu 9/17

10:15 am-9:40 am

1 stop33h 25m

Siem Reap–Angkor Intl

Thu 10/1

10:30 am-8:45 am

1 stop36h 15m

$948
Quickest round-trip

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Sat 10/10

4:30 pm-9:00 am

2 stops26h 30m

Siem Reap–Angkor Intl

Fri 10/16

7:10 pm-2:25 pm

2 stops33h 15m

$1,011

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Mon 11/16

3:40 pm-9:15 am

2 stops26h 35m

Siem Reap–Angkor Intl

Fri 12/4

6:40 pm-1:20 pm

2 stops33h 40m

$1,011

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 Cambodia from

How to get the cheapest flight ticket from Seattle 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

What is the cheapest month to fly to Cambodia?

In general, May is the cheapest month to fly from Seattle 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 Seattle averaging around $818.

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

You are more likely to see cheaper flights to Cambodia from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Cambodia for around $1,000 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cambodia from Seattle for as low as $718 on momondo.

Cheap Seattle to Cambodia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Cambodia

Fastest flight time

26h 30m

Direct flights

None
The fastest flight from Seattle to Cambodia takes 26h 30m
There are no direct flights from Seattle to Cambodia. There are no popular flight routes from Seattle to Cambodia.
Search flight deals

Frequently asked questions about flying from Seattle to Cambodia

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Cambodia?

    Prices for flights from Seattle/Tacoma Intl Airport to Cambodia were last updated today.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Cambodia?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Cambodia?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Cambodia.

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

    The travel and health documents you'll need for your trip to Cambodia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cambodia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to Cambodia

Compare and see reviews for airlines that fly from Seattle to Cambodia with momondo
Airline
Rating
Free Cancellation
Price
Philippine AirlinesPriceFrom $364Free CancellationRating
7.3
1,011 reviews
Search Philippine Airlines flights
Korean AirPriceFrom $500Free CancellationRating
8.4
1,221 reviews
Search Korean Air flights
Singapore AirlinesPriceFrom $543Free CancellationRating
8.2
1,584 reviews
Search Singapore Airlines flights
Asiana AirlinesPriceFrom $566Free CancellationRating
8.1
555 reviews
Search Asiana Airlines flights
China AirlinesPriceFrom $636Free CancellationRating
8.3
838 reviews
Search China Airlines flights
Cathay PacificPriceFrom $730Free CancellationRating
7.6
1,433 reviews
Search Cathay Pacific flights
DeltaPriceFrom $753Free CancellationRating
7.8
8,491 reviews
Search Delta flights
EVA AirPriceFrom $1,053Free CancellationRating
8.5
1,506 reviews
Search EVA Air flights

Why use momondo?

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

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 Seattle to Cambodia for you.

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

All flight searches from Seattle to Cambodia on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Seattle and Cambodia 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 Seattle to Cambodia right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Cambodia from Seattle. 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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