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Cheap flights from Washington to Cambodia from $589

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington 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 Washington 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
$589Singapore Airlines
Tue, Sep 29 - Thu, Oct 15
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
$770Singapore 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
4:00 pm - 8:45 am
SAI
-
SEA
30h 45m
1 stop
$773Singapore Airlines
Sat, Oct 10 - Fri, Oct 16
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
$775Singapore Airlines
Sat, Oct 10 - Fri, Oct 16
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
$801Singapore 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
$803Singapore 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 - 8:57 am
SAI
-
SEA
36h 27m
2 stops
$961Singapore Airlines
Tue, Sep 29 - Thu, Oct 15
Singapore Airlines Logo
10:15 am - 9:40 am
SEA
-
SAI
33h 25m
1 stop
Singapore Airlines Logo
10:30 am - 9:51 am
SAI
-
SEA
37h 21m
2 stops
$993Singapore Airlines
Thu, Sep 17 - Thu, Oct 1
Multiple Airlines Logo
10:15 am - 9:40 am
SEA
-
SAI
33h 25m
1 stop
Multiple Airlines Logo
10:30 am - 11:24 am
SAI
-
SEA
38h 54m
2 stops
$996Multiple Airlines
Thu, Sep 17 - Thu, Oct 1
Multiple Airlines Logo
9:32 pm - 6:20 pm
PDX
-
SAI
30h 48m
3 stops
Multiple Airlines Logo
1:20 pm - 10:44 pm
SAI
-
PDX
24h 24m
3 stops
$1,452Multiple Airlines
Fri, Sep 11 - Mon, Dec 7

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Singapore Airlines flights from State of Washington to Cambodia

Our best Singapore Airlines deals on State of Washington to Cambodia flight tickets
Singapore Airlines
Sep 29
SEA10:15 amSeattle/Tacoma Intl
33h 25m
1 stop
SAI9:40 amSiem Reap–Angkor Intl
Oct 15
SAI10:30 amSiem Reap–Angkor Intl
36h 15m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$589
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
$770
Singapore Airlines
Oct 10
SEA10:15 amSeattle/Tacoma Intl
33h 25m
1 stop
SAI9:40 amSiem Reap–Angkor Intl
Oct 16
SAI4:00 pmSiem Reap–Angkor Intl
30h 45m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$773

Emirates flights from State of Washington to Cambodia

Our best Emirates deals on State of Washington to Cambodia flight tickets
Emirates
Aug 30
SEA5:15 pmSeattle/Tacoma Intl
38h 15m
2 stops
SAI9:30 pmSiem Reap–Angkor Intl
Sep 17
SAI11:50 pmSiem Reap–Angkor Intl
27h 35m
2 stops
SEA1:25 pmSeattle/Tacoma Intl
$1,298
Emirates
Aug 30
SEA5:15 pmSeattle/Tacoma Intl
38h 15m
2 stops
SAI9:30 pmSiem Reap–Angkor Intl
Sep 18
SAI12:55 pmSiem Reap–Angkor Intl
38h 30m
2 stops
SEA1:25 pmSeattle/Tacoma Intl
$1,299

momondo Fare Finder

 
Customize your flight search to find flights from State of 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, momondo users made 832,500 searches. Data last updated June 27, 2026.
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

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Tue 9/29

10:15 am-9:40 am

1 stop33h 25m

Siem Reap–Angkor Intl

Thu 10/15

10:30 am-8:45 am

1 stop36h 15m

$589

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

$770

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Sat 10/10

10:15 am-9:40 am

1 stop33h 25m

Siem Reap–Angkor Intl

Fri 10/16

4:00 pm-8:45 am

1 stop30h 45m

$773

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Sat 10/10

10:15 am-9:40 am

1 stop33h 25m

Siem Reap–Angkor Intl

Fri 10/16

4:00 pm-8:45 am

1 stop30h 45m

$775

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

$801

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

$803

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Tue 9/29

10:15 am-9:40 am

1 stop33h 25m

Siem Reap–Angkor Intl

Thu 10/15

10:30 am-8:57 am

2 stops36h 27m

$961

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-9:51 am

2 stops37h 21m

$993

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-11:24 am

2 stops38h 54m

$996
Quickest round-trip

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Fri 9/11

9:32 pm-6:20 pm

3 stops30h 48m

Siem Reap–Angkor Intl

Mon 12/7

1:20 pm-10:44 pm

3 stops24h 24m

$1,452

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Cambodia from

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

What is the cheapest month to fly to Cambodia?

In general, November 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 $364. The month of August is another great option to travel to Cambodia, with average flight prices from State of Washington averaging around $442.

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 $983 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 $718 on momondo.

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

You could potentially save up to 61% 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

Fastest flight time

26h 05m

Direct flights

None
The fastest flight from State of Washington to Cambodia takes 26h 05m
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?

  • 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 AirlinesPriceFrom $364Free CancellationRating
7.3
1,003 reviews
Search Philippine Airlines flights
Korean AirPriceFrom $446Free CancellationRating
8.4
1,219 reviews
Search Korean Air flights
Singapore AirlinesPriceFrom $523Free CancellationRating
8.2
1,555 reviews
Search Singapore Airlines flights
Asiana AirlinesPriceFrom $566Free CancellationRating
8.1
550 reviews
Search Asiana Airlines flights
China AirlinesPriceFrom $636Free CancellationRating
8.3
829 reviews
Search China Airlines flights
Cathay PacificPriceFrom $730Free CancellationRating
7.6
1,394 reviews
Search Cathay Pacific flights
DeltaPriceFrom $753Free CancellationRating
7.8
8,455 reviews
Search Delta flights
EVA AirPriceFrom $1,053Free CancellationRating
8.5
1,484 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.

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