Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Ontario to Siem Reap from $535

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 - 9:15 amONT  Ontario-SAI Siem Reap–Angkor Intl
43h 25m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
1:20 pm - 5:05 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
42h 45m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,176Multiple Airlines
Sat, Feb 6 - Sat, Feb 27
Multiple Airlines Logo
10:45 pm - 6:30 pmONT  Ontario-SAI Siem Reap–Angkor Intl
29h 45m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
1:20 pm - 3:55 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
41h 35m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,207Multiple Airlines
Fri, Oct 30 - Sun, Nov 15
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
$1,224Multiple Airlines
Mon, Nov 2 - Wed, Dec 2
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
$1,228Multiple Airlines
Mon, Nov 2 - Wed, Dec 2
Multiple Airlines Logo
12:10 am - 6:55 pmONT  Ontario-SAI Siem Reap–Angkor Intl
28h 45m2 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
$1,237Multiple Airlines
Mon, Oct 12 - Tue, Oct 20
Multiple Airlines Logo
10:50 pm - 6:35 pmONT  Ontario-SAI Siem Reap–Angkor Intl
28h 45m2 stops Taipei City Taiwan Taoyuan Intl Phnom Penh Techo Intl
Multiple Airlines Logo
3:50 pm - 5:05 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
40h 15m2 stops Phnom Penh Techo Intl Taipei City Taiwan Taoyuan Intl
$1,253Multiple Airlines
Mon, Feb 1 - Thu, Feb 25
Multiple Airlines Logo
10:50 pm - 6:35 pmONT  Ontario-SAI Siem Reap–Angkor Intl
28h 45m2 stops Taipei City Taiwan Taoyuan Intl Phnom Penh Techo Intl
Multiple Airlines Logo
7:30 pm - 5:05 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
36h 35m2 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl
$1,263Multiple Airlines
Mon, Feb 1 - Thu, Feb 25
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
9:40 am - 6:00 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
22h 20m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,270Multiple Airlines
Mon, Oct 12 - Tue, Oct 20
Multiple Airlines Logo
12:10 am - 6:55 pmONT  Ontario-SAI Siem Reap–Angkor Intl
28h 45m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:55 am - 3:55 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
21h 00m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,336Multiple Airlines
Tue, Sep 29 - Mon, Nov 2
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
9:55 am - 5:05 pmSAI  Siem Reap–Angkor Intl-ONT Ontario
22h 10m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,338Multiple Airlines
Sun, Oct 4 - Sat, Nov 7

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Sat 2/6

10:50 pm-9:15 am

2 stops43h 25m

Siem Reap–Angkor Intl

Sat 2/27

1:20 pm-5:05 pm

2 stops42h 45m

$1,176

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Fri 10/30

10:45 pm-6:30 pm

2 stops29h 45m

Siem Reap–Angkor Intl

Sun 11/15

1:20 pm-3:55 pm

2 stops41h 35m

$1,207
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

Wed 12/2

9:55 am-5:05 pm

2 stops22h 10m

$1,224

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

Wed 12/2

9:55 am-5:05 pm

2 stops22h 10m

$1,228

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Mon 10/12

12:10 am-6:55 pm

2 stops28h 45m

Siem Reap–Angkor Intl

Tue 10/20

9:40 am-6:00 pm

2 stops22h 20m

$1,237

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Mon 2/1

10:50 pm-6:35 pm

2 stops28h 45m

Siem Reap–Angkor Intl

Thu 2/25

3:50 pm-5:05 pm

2 stops40h 15m

$1,253

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Mon 2/1

10:50 pm-6:35 pm

2 stops28h 45m

Siem Reap–Angkor Intl

Thu 2/25

7:30 pm-5:05 pm

2 stops36h 35m

$1,263

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Mon 10/12

12:10 am-1:15 pm

2 stops23h 05m

Siem Reap–Angkor Intl

Tue 10/20

9:40 am-6:00 pm

2 stops22h 20m

$1,270

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Tue 9/29

12:10 am-6:55 pm

2 stops28h 45m

Siem Reap–Angkor Intl

Mon 11/2

9:55 am-3:55 pm

2 stops21h 00m

$1,336

OntarioSiem Reap

ONT Ontario - SAI Siem Reap–Angkor Intl

ONTSAI

Ontario

Sun 10/4

12:10 am-1:15 pm

2 stops23h 05m

Siem Reap–Angkor Intl

Sat 11/7

9:55 am-5:05 pm

2 stops22h 10m

$1,338

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

$535

Fastest flight time

22h 50m

Direct flights

None
The best one-way flight to Siem Reap from Ontario in the past 72 hours is $535. The best round-trip flight deal from Ontario to Siem Reap found on momondo in the last 72 hours is $1,176.
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.

An easier way to manage your Siem Reap trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 10/16
Fri 10/23
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Cambodia

Fly your favorite airline to Siem Reap

Singapore Airlines