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Cheap flights from Ontario to Siem Reap from $649

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 - 6:50 pmONT  Ontario-SAI Siem Reap–Angkor Intl
29h 00m2 stops Taipei City Taiwan Taoyuan Intl Ho Chi Minh City
Multiple Airlines Logo
7:30 pm - 5:05 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
60h 35m2 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl
$1,128Multiple Airlines
Tue, Nov 3 - Sun, Nov 29
Multiple Airlines Logo
10:50 pm - 6:50 pmONT  Ontario-SAI Siem Reap–Angkor Intl
29h 00m2 stops Taipei City Taiwan Taoyuan Intl Ho Chi Minh City
Multiple Airlines Logo
2:50 pm - 5:05 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
65h 15m3 stops Phnom Penh Techo Intl Ho Chi Minh City Taipei City Taiwan Taoyuan Intl
$1,193Multiple Airlines
Tue, Nov 3 - Sun, Nov 29
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
7:30 pm - 5:05 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
60h 35m2 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl
$1,272Multiple Airlines
Tue, Nov 3 - Sun, Nov 29
Multiple Airlines Logo
10:50 pm - 2:25 pmONT  Ontario-SAI Siem Reap–Angkor Intl
24h 35m2 stops Taipei City Taiwan Taoyuan Intl Ho Chi Minh City
Multiple Airlines Logo
7:30 pm - 5:05 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
60h 35m2 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl
$1,283Multiple Airlines
Mon, Nov 2 - Sun, Nov 29
Multiple Airlines Logo
12:10 am - 1:15 pmONT  Ontario-SAI Siem Reap–Angkor Intl
23h 05m2 stops Taipei City Taiwan Taoyuan Intl Ho Chi Minh City
Multiple Airlines Logo
10:35 pm - 6:05 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
33h 30m2 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl
$1,299Multiple Airlines
Mon, Oct 5 - Sat, Oct 24
Multiple Airlines Logo
10:50 pm - 2:25 pmONT  Ontario-SAI Siem Reap–Angkor Intl
24h 35m2 stops Taipei City Taiwan Taoyuan Intl Ho Chi Minh City
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
$1,310Multiple Airlines
Sun, Nov 1 - Thu, Nov 26
Multiple Airlines Logo
12:10 am - 6:05 pmONT  Ontario-SAI Siem Reap–Angkor Intl
27h 55m2 stops Taipei City Taiwan Taoyuan Intl Hanoi Noibai
Multiple Airlines Logo
10:35 pm - 6:05 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
33h 30m3 stops Ho Chi Minh City Hanoi Noibai Taipei City Taiwan Taoyuan Intl
$1,333Multiple Airlines
Mon, Oct 5 - Sat, Oct 24
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
$1,424Multiple Airlines
Mon, Nov 2 - Sat, Nov 28
Multiple Airlines Logo
12:10 am - 6:20 pmONT  Ontario-SAI Siem Reap–Angkor Intl
28h 10m3 stops Taipei City Taiwan Taoyuan Intl Hanoi Noibai Ho Chi Minh City
Multiple Airlines Logo
10:35 pm - 6:05 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
33h 30m3 stops Ho Chi Minh City Hanoi Noibai Taipei City Taiwan Taoyuan Intl
$1,439Multiple Airlines
Mon, Oct 5 - Sat, Oct 24
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
$1,458Multiple Airlines
Wed, Dec 30 - Thu, Jan 28

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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

Tue 11/3

10:50 pm-6:50 pm

2 stops29h 00m

Siem Reap–Angkor Intl

Sun 11/29

7:30 pm-5:05 pm

2 stops60h 35m

$1,128

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Tue 11/3

10:50 pm-6:50 pm

2 stops29h 00m

Siem Reap–Angkor Intl

Sun 11/29

2:50 pm-5:05 pm

3 stops65h 15m

$1,193

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Tue 11/3

10:50 pm-12:40 pm

2 stops22h 50m

Siem Reap–Angkor Intl

Sun 11/29

7:30 pm-5:05 pm

2 stops60h 35m

$1,272

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Mon 11/2

10:50 pm-2:25 pm

2 stops24h 35m

Siem Reap–Angkor Intl

Sun 11/29

7:30 pm-5:05 pm

2 stops60h 35m

$1,283

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Mon 10/5

12:10 am-1:15 pm

2 stops23h 05m

Siem Reap–Angkor Intl

Sat 10/24

10:35 pm-6:05 pm

2 stops33h 30m

$1,299

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Sun 11/1

10:50 pm-2:25 pm

2 stops24h 35m

Siem Reap–Angkor Intl

Thu 11/26

9:55 am-5:05 pm

2 stops22h 10m

$1,310

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Mon 10/5

12:10 am-6:05 pm

2 stops27h 55m

Siem Reap–Angkor Intl

Sat 10/24

10:35 pm-6:05 pm

3 stops33h 30m

$1,333
Quickest round-trip

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Mon 11/2

10:50 pm-12:40 pm

2 stops22h 50m

Siem Reap–Angkor Intl

Sat 11/28

9:55 am-5:05 pm

2 stops22h 10m

$1,424

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Mon 10/5

12:10 am-6:20 pm

3 stops28h 10m

Siem Reap–Angkor Intl

Sat 10/24

10:35 pm-6:05 pm

3 stops33h 30m

$1,439

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Wed 12/30

10:50 pm-12:40 pm

2 stops22h 50m

Siem Reap–Angkor Intl

Thu 1/28

9:55 am-5:05 pm

2 stops22h 10m

$1,458

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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Cheap Ontario to Region of Siem Reap flight deals and tips

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

Best Price Found

$649

Fastest flight time

22h 50m

Direct flights

None
The best one-way flight to Region of Siem Reap from Ontario in the past 72 hours is $649. The best round-trip flight deal from Ontario to Region of Siem Reap found on momondo in the last 72 hours is $1,128.
The fastest flight from Ontario to Region of Siem Reap takes 22h 50m
There are no direct flights from Ontario to Region of Siem Reap. There are no popular flight routes from Ontario to Region of Siem Reap.
Search flight deals

Frequently asked questions about flying from Ontario to Siem Reap

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

    Prices for flights from Ontario Airport to Siem Reap are refreshed on a daily basis.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Siem Reap.

  • What documentation or ID do you need to fly to Siem Reap?

    The necessary travel and health documents for your Siem Reap 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 Region of Siem Reap?

    Confirm your travel details to search for the latest offers for flights from Ontario to Region of Siem Reap. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

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

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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?

All flight searches from Ontario to Siem Reap on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Ontario and Siem Reap by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Siem Reap, momondo offers a useful price alert feature which will track prices for flights to Siem Reap from Ontario and alert you when they change.

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