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Cheap flights from Ontario to Siem Reap from $475

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:50 pm - 5:15 pmONT  Ontario-SAI Siem Reap–Angkor Intl
27h 25m2 stops Taipei City Taiwan Taoyuan Intl Ho Chi Minh City
Multiple Airlines Logo
10:25 pm - 5:05 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
33h 40m2 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl
$1,236Multiple Airlines
Sun, Nov 29 - Sun, Dec 6
Multiple Airlines Logo
10:50 pm - 12:40 pmONT  Ontario-SAI Siem Reap–Angkor Intl
22h 50m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:55 am - 5:05 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
22h 10m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,298Multiple Airlines
Mon, Feb 1 - Thu, Feb 25
Multiple Airlines Logo
10:50 pm - 12:40 pmONT  Ontario-SAI Siem Reap–Angkor Intl
22h 50m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:55 am - 5:05 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
22h 10m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,299Multiple Airlines
Mon, Feb 1 - Thu, Feb 25
Multiple Airlines Logo
11:50 pm - 6:45 pmONT  Ontario-SAI Siem Reap–Angkor Intl
28h 55m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:40 am - 6:00 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
22h 20m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,321Multiple Airlines
Wed, Mar 17 - Sat, Apr 10
Multiple Airlines Logo
10:50 pm - 12:40 pmONT  Ontario-SAI Siem Reap–Angkor Intl
22h 50m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:55 am - 5:05 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
22h 10m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,333Multiple Airlines
Thu, Dec 3 - Thu, Dec 10
Multiple Airlines Logo
10:50 pm - 12:40 pmONT  Ontario-SAI Siem Reap–Angkor Intl
22h 50m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:40 am - 6:00 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
22h 20m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,352Multiple Airlines
Mon, Mar 1 - Thu, Apr 1
Multiple Airlines Logo
10:50 pm - 12:40 pmONT  Ontario-SAI Siem Reap–Angkor Intl
22h 50m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:55 am - 5:05 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
22h 10m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,371Multiple Airlines
Thu, Jan 7 - Wed, Jan 13
Multiple Airlines Logo
11:50 pm - 12:40 pmONT  Ontario-SAI Siem Reap–Angkor Intl
22h 50m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:40 am - 6:00 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
22h 20m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,399Multiple Airlines
Fri, Mar 19 - Sat, Apr 10
Multiple Airlines Logo
10:50 pm - 12:40 pmONT  Ontario-SAI Siem Reap–Angkor Intl
22h 50m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:55 am - 5:05 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
22h 10m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,401Multiple Airlines
Sun, Feb 14 - Sun, Mar 14
Multiple Airlines Logo
11:50 pm - 12:40 pmONT  Ontario-SAI Siem Reap–Angkor Intl
22h 50m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:40 am - 6:00 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
22h 20m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,402Multiple Airlines
Fri, Mar 19 - Sat, Apr 10

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Use the filters below to find and compare flights from Ontario to Siem Reap that are best for you.

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Cheapest round-trip

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Sun 11/29

10:50 pm-5:15 pm

2 stops27h 25m

Siem Reap–Angkor Intl

Sun 12/6

10:25 pm-5:05 pm

2 stops33h 40m

$1,236
Quickest round-trip

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Mon 2/1

10:50 pm-12:40 pm

2 stops22h 50m

Siem Reap–Angkor Intl

Thu 2/25

9:55 am-5:05 pm

2 stops22h 10m

$1,298

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Mon 2/1

10:50 pm-12:40 pm

2 stops22h 50m

Siem Reap–Angkor Intl

Thu 2/25

9:55 am-5:05 pm

2 stops22h 10m

$1,299

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Wed 3/17

11:50 pm-6:45 pm

2 stops28h 55m

Siem Reap–Angkor Intl

Sat 4/10

9:40 am-6:00 pm

2 stops22h 20m

$1,321

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Thu 12/3

10:50 pm-12:40 pm

2 stops22h 50m

Siem Reap–Angkor Intl

Thu 12/10

9:55 am-5:05 pm

2 stops22h 10m

$1,333

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Mon 3/1

10:50 pm-12:40 pm

2 stops22h 50m

Siem Reap–Angkor Intl

Thu 4/1

9:40 am-6:00 pm

2 stops22h 20m

$1,352

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Thu 1/7

10:50 pm-12:40 pm

2 stops22h 50m

Siem Reap–Angkor Intl

Wed 1/13

9:55 am-5:05 pm

2 stops22h 10m

$1,371

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Fri 3/19

11:50 pm-12:40 pm

2 stops22h 50m

Siem Reap–Angkor Intl

Sat 4/10

9:40 am-6:00 pm

2 stops22h 20m

$1,399

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Sun 2/14

10:50 pm-12:40 pm

2 stops22h 50m

Siem Reap–Angkor Intl

Sun 3/14

9:55 am-5:05 pm

2 stops22h 10m

$1,401

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Fri 3/19

11:50 pm-12:40 pm

2 stops22h 50m

Siem Reap–Angkor Intl

Sat 4/10

9:40 am-6:00 pm

2 stops22h 20m

$1,402

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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When to book flights from Ontario to Siem Reap

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Siem Reap according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Siem Reap (ONT to SAI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Siem Reap

Best Price Found

$475

Fastest flight time

22h 50m

Direct flights

None
The best one-way flight to Siem Reap from Ontario in the past 72 hours is $475. The best round-trip flight deal from Ontario to Siem Reap found on momondo in the last 72 hours is $1,236.
The fastest flight from Ontario to Siem Reap takes 22h 50m
There are no direct flights from Ontario to Siem Reap. There are no popular flight routes from Ontario to Siem Reap.
Search flight deals

Frequently asked questions about flying from Ontario to Siem Reap

  • How far is Ontario to Siem Reap–Angkor Intl by plane?

    The distance between Ontario and Siem Reap–Angkor Intl is about 8168.6 mi. A reasonable flight in good conditions will take 22h 50m.

  • When did momondo last update prices for flights from Ontario Airport to Siem Reap–Angkor Intl Airport?

    Prices for flights from Ontario Airport to Siem Reap–Angkor Intl Airport are updated daily.

  • How old do you have to be to fly from Ontario Airport to Siem Reap–Angkor Intl Airport?

    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 Ontario Airport to Siem Reap–Angkor Intl Airport.

  • What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

    The necessary travel and health documents for your Siem Reap–Angkor Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Ontario to Siem Reap

  • How do I get Price Alerts for flights from Ontario to Siem Reap?

    Search flight deals from Ontario to Siem Reap. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Ontario to Siem Reap with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Siem Reap?

Finding the right flight to Siem Reap from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Siem Reap quick and easy, saving you time and money.

Can I find flights from Ontario to Siem Reap with flexible booking policies on momondo?

momondo does allow users to show only those flights to Siem Reap from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to Siem Reap?

Once you have performed a search for Ontario to Siem Reap flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ontario to Siem Reap right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to Siem Reap flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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