$615 Find Cheap Flights from Portland 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 Portland to Siem Reap departing on 8/13. 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 Portland 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 Portland 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 Portland to Siem Reap

화, 9월 1 - 일, 9월 20
Multiple Airlines Logo
6:53 pm - 6:20 pm
PDX
-
SAI
33h 27m
3 stops
Multiple Airlines Logo
12:55 pm - 1:51 pm
SAI
-
PDX
38h 56m
3 stops
$1,457Multiple Airlines
금, 9월 11 - 월, 12월 7
Multiple Airlines Logo
9:32 pm - 6:20 pm
PDX
-
SAI
30h 48m
3 stops
Multiple Airlines Logo
1:20 pm - 10:33 pm
SAI
-
PDX
24h 13m
3 stops
$1,522Multiple Airlines
금, 9월 11 - 월, 12월 7
Multiple Airlines Logo
9:32 pm - 6:20 pm
PDX
-
SAI
30h 48m
3 stops
Multiple Airlines Logo
1:20 pm - 10:33 pm
SAI
-
PDX
24h 13m
3 stops
$1,546Multiple Airlines
금, 9월 11 - 월, 12월 7
Multiple Airlines Logo
9:32 pm - 6:20 pm
PDX
-
SAI
30h 48m
3 stops
Multiple Airlines Logo
1:20 pm - 10:33 pm
SAI
-
PDX
24h 13m
3 stops
$1,547Multiple Airlines
화, 9월 1 - 일, 9월 20
Multiple Airlines Logo
3:43 pm - 9:40 am
PDX
-
SAI
27h 57m
2 stops
Multiple Airlines Logo
10:30 am - 2:36 pm
SAI
-
PDX
42h 06m
2 stops
$1,563Multiple Airlines
화, 9월 1 - 일, 9월 20
Multiple Airlines Logo
7:45 pm - 12:15 pm
PDX
-
SAI
26h 30m
3 stops
Multiple Airlines Logo
7:35 pm - 9:31 am
SAI
-
PDX
27h 56m
2 stops
$1,606Multiple Airlines
금, 9월 11 - 월, 12월 7
Multiple Airlines Logo
9:35 pm - 6:20 pm
PDX
-
SAI
54h 45m
2 stops
Multiple Airlines Logo
7:25 pm - 1:55 pm
SAI
-
PDX
33h 30m
2 stops
$1,916Multiple Airlines
금, 9월 11 - 월, 12월 7
Multiple Airlines Logo
9:35 pm - 6:20 pm
PDX
-
SAI
54h 45m
2 stops
Multiple Airlines Logo
7:25 pm - 1:55 pm
SAI
-
PDX
33h 30m
2 stops
$1,936Multiple Airlines
금, 9월 11 - 월, 12월 7
Multiple Airlines Logo
9:35 pm - 6:20 pm
PDX
-
SAI
54h 45m
2 stops
Multiple Airlines Logo
7:25 pm - 1:55 pm
SAI
-
PDX
33h 30m
2 stops
$2,017Multiple Airlines
금, 9월 11 - 월, 12월 7
Multiple Airlines Logo
9:35 pm - 6:20 pm
PDX
-
SAI
54h 45m
2 stops
Multiple Airlines Logo
7:25 pm - 1:55 pm
SAI
-
PDX
33h 30m
2 stops
$2,227Multiple Airlines
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FAQs - booking Siem Reap flights

  • How does KAYAK find such low prices on flights from Portland 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 Portland to Siem Reap.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Portland 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 Portland 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 Portland 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 Portland 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 Portland 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 Portland to Siem Reap

Information on your arrival and departure airports

Portland (PDX)