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Cheap flights from Seattle to Cambodia from $323

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 9/25. 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
0 bags

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Find the cheapest flights from Seattle to Cambodia

Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$819Singapore Airlines
Thu, Sep 24 - Thu, Oct 8
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
$912Singapore 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
$922Singapore 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
$925Singapore 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
60h 15m
1 stop
$1,061Singapore Airlines
Tue, Sep 8 - Tue, Sep 29
Singapore Airlines Logo
10:15 am - 9:40 am
SEA
-
SAI
33h 25m
1 stop
Singapore Airlines Logo
4:00 pm - 8:45 am
SAI
-
SEA
30h 45m
1 stop
$1,074Singapore Airlines
Thu, Sep 24 - Wed, Oct 7
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
$1,090Singapore Airlines
Thu, Sep 17 - Wed, Sep 30
Multiple Airlines Logo
10:15 am - 9:40 am
SEA
-
SAI
33h 25m
1 stop
Multiple Airlines Logo
9:40 am - 4:10 pm
SAI
-
SEA
20h 30m
2 stops
$1,121Multiple Airlines
Thu, Sep 24 - Thu, Oct 8
Singapore Airlines Logo
10:15 am - 9:40 am
SEA
-
SAI
33h 25m
1 stop
Singapore Airlines Logo
4:00 pm - 8:45 am
SAI
-
SEA
30h 45m
1 stop
$1,123Singapore Airlines
Thu, Sep 10 - Wed, Sep 30
Multiple Airlines Logo
10:15 am - 9:40 am
SEA
-
SAI
33h 25m
1 stop
Multiple Airlines Logo
9:40 am - 4:10 pm
SAI
-
SEA
20h 30m
2 stops
$1,136Multiple Airlines
Thu, Sep 24 - Thu, Oct 8

United Airlines flights from Seattle to Cambodia

Our best United Airlines deals on Seattle to Cambodia flight tickets
United Airlines
Aug 17
SEA7:11 amSeattle/Tacoma Intl
36h 29m
2 stops
SAI9:40 amSiem Reap–Angkor Intl
Aug 24
SAI10:30 amSiem Reap–Angkor Intl
45h 59m
2 stops
SEA6:29 pmSeattle/Tacoma Intl
$1,264
United Airlines
Aug 16
SEA7:35 pmSeattle/Tacoma Intl
48h 05m
2 stops
SAI9:40 amSiem Reap–Angkor Intl
Aug 24
SAI10:30 amSiem Reap–Angkor Intl
45h 59m
2 stops
SEA6:29 pmSeattle/Tacoma Intl
$1,270
United Airlines
Aug 19
SEA5:20 pmSeattle/Tacoma Intl
26h 20m
2 stops
SAI9:40 amSiem Reap–Angkor Intl
Aug 26
SAI10:30 amSiem Reap–Angkor Intl
37h 29m
2 stops
SEA9:59 amSeattle/Tacoma Intl
$1,372

Emirates flights from Seattle to Cambodia

Our best Emirates deals on Seattle to Cambodia flight tickets
Emirates
Aug 18
SEA5:15 pmSeattle/Tacoma Intl
38h 15m
2 stops
SAI9:30 pmSiem Reap–Angkor Intl
Aug 27
SAI11:50 pmSiem Reap–Angkor Intl
27h 35m
2 stops
SEA1:25 pmSeattle/Tacoma Intl
$1,387
Emirates
Aug 16
SEA5:15 pmSeattle/Tacoma Intl
38h 15m
2 stops
SAI9:30 pmSiem Reap–Angkor Intl
Aug 28
SAI12:55 pmSiem Reap–Angkor Intl
38h 30m
2 stops
SEA1:25 pmSeattle/Tacoma Intl
$1,388
Emirates
Aug 13
SEA5:15 pmSeattle/Tacoma Intl
38h 15m
2 stops
SAI9:30 pmSiem Reap–Angkor Intl
Aug 27
SAI11:50 pmSiem Reap–Angkor Intl
27h 35m
2 stops
SEA1:25 pmSeattle/Tacoma Intl
$1,437

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 May 25, 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

Thu 9/24

10:15 am-9:40 am

1 stop33h 25m

Siem Reap–Angkor Intl

Thu 10/8

10:30 am-8:45 am

1 stop36h 15m

$819

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

$912

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

$922

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

$925

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Tue 9/8

10:15 am-9:40 am

1 stop33h 25m

Siem Reap–Angkor Intl

Tue 9/29

10:30 am-8:45 am

1 stop60h 15m

$1,061

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Thu 9/24

10:15 am-9:40 am

1 stop33h 25m

Siem Reap–Angkor Intl

Wed 10/7

4:00 pm-8:45 am

1 stop30h 45m

$1,074

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Thu 9/17

10:15 am-9:40 am

1 stop33h 25m

Siem Reap–Angkor Intl

Wed 9/30

10:30 am-8:45 am

1 stop36h 15m

$1,090
Quickest round-trip

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Thu 9/24

10:15 am-9:40 am

1 stop33h 25m

Siem Reap–Angkor Intl

Thu 10/8

9:40 am-4:10 pm

2 stops20h 30m

$1,121

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Thu 9/10

10:15 am-9:40 am

1 stop33h 25m

Siem Reap–Angkor Intl

Wed 9/30

4:00 pm-8:45 am

1 stop30h 45m

$1,123

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Thu 9/24

10:15 am-9:40 am

1 stop33h 25m

Siem Reap–Angkor Intl

Thu 10/8

9:40 am-4:10 pm

2 stops20h 30m

$1,136

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, November 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 $364. The month of March is another great option to travel to Cambodia, with average flight prices from Seattle averaging around $442.

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 $1,034 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 $743 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

27h 40m

Direct flights

None
The fastest flight from Seattle to Cambodia takes 27h 40m
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
998 reviews
Search Philippine Airlines flights
Korean AirPriceFrom $446Free CancellationRating
8.4
1,217 reviews
Search Korean Air flights
Singapore AirlinesPriceFrom $523Free CancellationRating
8.2
1,522 reviews
Search Singapore Airlines flights
Asiana AirlinesPriceFrom $566Free CancellationRating
8.1
535 reviews
Search Asiana Airlines flights
China AirlinesPriceFrom $636Free CancellationRating
8.3
826 reviews
Search China Airlines flights
Cathay PacificPriceFrom $730Free CancellationRating
7.6
1,344 reviews
Search Cathay Pacific flights
DeltaPriceFrom $753Free CancellationRating
7.9
8,434 reviews
Search Delta flights
EVA AirPriceFrom $1,053Free CancellationRating
8.5
1,459 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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