$386 Find Cheap Flights from Seattle to Siem Reap - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Siem Reap departing on 8/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Book Cheap Seattle to Siem Reap Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Siem Reap that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Siem Reap

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
$801Singapore 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
$804Singapore 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
$818Singapore 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
$821Singapore Airlines
Tue, Nov 17 - 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
$833Singapore Airlines
Tue, Nov 17 - Thu, Dec 3
Singapore Airlines Logo
8:45 am - 9:50 am
SEA
-
SAI
34h 05m
1 stop
Singapore Airlines Logo
10:45 am - 8:52 am
SAI
-
SEA
37h 07m
2 stops
$1,052Singapore 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 - 9:51 am
SAI
-
SEA
37h 21m
2 stops
$1,068Singapore 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 - 9:51 am
SAI
-
SEA
37h 21m
2 stops
$1,071Singapore Airlines
Tue, Sep 15 - Wed, Sep 30
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
$1,100Singapore Airlines
Thu, Sep 17 - Sun, Sep 27
Multiple Airlines Logo
10:15 am - 9:40 am
SEA
-
SAI
33h 25m
1 stop
Multiple Airlines Logo
7:10 pm - 10:05 am
SAI
-
SEA
28h 55m
2 stops
$1,113Multiple Airlines
Useful Info

FAQs - booking Siem Reap flights

  • How does KAYAK find such low prices on flights from Seattle to Siem Reap?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Siem Reap.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Siem Reap?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Seattle to Siem Reap is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Siem Reap?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Seattle to Siem Reap with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Siem Reap?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Seattle to Siem Reap up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Seattle to Siem Reap

Information on your arrival and departure airports

Seattle (SEA)