$789 Find Cheap Flights from Ontario to Siem Reap

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Siem Reap departing on 7/7. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Siem Reap

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Siem Reap, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Siem Reap, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Flight Deals
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Flight Deals

Book Cheap Ontario 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 Ontario 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 Ontario to Siem Reap

Wed, Sep 2 - Wed, Sep 23
Multiple Airlines Logo
11:30 pm - 6:55 pm
ONT
-
SAI
29h 25m
2 stops
Multiple Airlines Logo
9:40 am - 6:00 pm
SAI
-
ONT
22h 20m
2 stops
$1,298Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
11:30 pm - 6:55 pm
ONT
-
SAI
29h 25m
2 stops
Multiple Airlines Logo
9:40 am - 6:00 pm
SAI
-
ONT
22h 20m
2 stops
$1,302Multiple Airlines
Wed, Sep 16 - Wed, Sep 30
Multiple Airlines Logo
11:30 pm - 6:55 pm
ONT
-
SAI
29h 25m
2 stops
Multiple Airlines Logo
9:40 am - 6:00 pm
SAI
-
ONT
22h 20m
2 stops
$1,304Multiple Airlines
Mon, Nov 2 - Mon, Nov 9
Multiple Airlines Logo
9:45 pm - 9:15 am
ONT
-
SAI
44h 30m
2 stops
Multiple Airlines Logo
9:55 am - 3:55 pm
SAI
-
ONT
21h 00m
2 stops
$1,314Multiple Airlines
Sat, Aug 29 - Mon, Sep 7
Multiple Airlines Logo
12:45 am - 6:55 pm
ONT
-
SAI
28h 10m
2 stops
Multiple Airlines Logo
12:55 pm - 6:40 pm
SAI
-
ONT
43h 45m
2 stops
$1,345Multiple Airlines
Sat, Jul 18 - Sun, Aug 2
Multiple Airlines Logo
12:45 am - 6:55 pm
ONT
-
SAI
28h 10m
2 stops
Multiple Airlines Logo
7:35 pm - 6:40 pm
SAI
-
ONT
37h 05m
2 stops
$2,053Multiple Airlines
Tue, Jun 30 - Tue, Jul 28
Multiple Airlines Logo
12:45 am - 9:00 am
ONT
-
SAI
42h 15m
2 stops
Multiple Airlines Logo
7:35 pm - 6:40 pm
SAI
-
ONT
37h 05m
2 stops
$2,238Multiple Airlines
Wed, Nov 4 - Tue, Nov 10
Multiple Airlines Logo
10:50 pm - 6:45 pm
ONT
-
SAI
28h 55m
2 stops
Multiple Airlines Logo
7:25 pm - 4:50 pm
SAI
-
ONT
36h 25m
2 stops
$2,548Multiple Airlines
Thu, Nov 5 - Wed, Nov 11
Multiple Airlines Logo
10:50 pm - 6:45 pm
ONT
-
SAI
28h 55m
2 stops
Multiple Airlines Logo
9:55 am - 4:50 pm
SAI
-
ONT
21h 55m
2 stops
$2,564Multiple Airlines
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FAQs - booking Siem Reap flights

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

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

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

Information on your arrival and departure airports

Ontario (ONT)