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$578+ Cheap flights from Ontario (ONT) to Cambodia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — KTI
Sep 3 — Sep 101
Thu 9/3
Thu 9/10
1 adult, Economy
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Cheap flight deals from Ontario to Cambodia

Cheapest flights from Ontario to Cambodia
Explore the most affordable flight options available from Ontario to Cambodia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.

This Justfly.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:30 pm
ONT
-
SAI
2 stops29h 25m
Multiple Airlines
Sat 10/179:40 am
SAI
-
ONT
2 stops21h 25m
Multiple Airlines
Deal found 7/30$1,097
This Trip.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:10 am
ONT
-
SAI
2 stops23h 05m
Multiple Airlines
Sat 10/1710:35 pm
SAI
-
ONT
2 stops33h 25m
Multiple Airlines
Deal found 7/30$1,122
This Trip.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:10 am
ONT
-
SAI
2 stops23h 05m
Multiple Airlines
Fri 10/169:35 am
SAI
-
ONT
2 stops46h 25m
Multiple Airlines
Deal found 7/30$1,130
This FlightHub deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:30 pm
ONT
-
SAI
2 stops29h 25m
Multiple Airlines
Mon 10/197:35 pm
SAI
-
ONT
2 stops59h 30m
Multiple Airlines
Deal found 8/1$1,180
This FlightHub deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1012:10 am
ONT
-
SAI
2 stops28h 45m
Multiple Airlines
Mon 10/197:35 pm
SAI
-
ONT
2 stops36h 25m
Multiple Airlines
Deal found 8/1$1,186
This Trip.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:45 am
ONT
-
SAI
2 stops27h 35m
Multiple Airlines
Tue 9/810:35 pm
SAI
-
ONT
2 stops58h 05m
Multiple Airlines
Deal found 8/3$1,197
This Trip.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:45 pm
ONT
-
SAI
2 stops30h 00m
Multiple Airlines
Tue 12/11:20 pm
SAI
-
ONT
2 stops41h 35m
Multiple Airlines
Deal found 7/31$1,213
This oojo deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2012:10 am
ONT
-
SAI
2 stops28h 45m
Multiple Airlines
Wed 9/3010:35 pm
SAI
-
ONT
2 stops33h 25m
Multiple Airlines
Deal found 8/1$1,227
This Trip.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:50 pm
ONT
-
SAI
2 stops24h 35m
Multiple Airlines
Sat 11/286:50 pm
SAI
-
ONT
2 stops61h 15m
Multiple Airlines
Deal found 7/30$1,290

Find flight deals from Ontario to Cambodia

Keep the following information in mind while searching for Ontario to Cambodia flight deals. Data was last updated August 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,097
(Justfly.com)

One-way from

$578
(Trip.com)

Popular in

June

Cheapest in

August

Average price

$701
Provider with most accurate pricing for Los Angeles-Phnom Penh Techo Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Phnom Penh Techo Intl flights.
Search Deals
From Ontario to Cambodia
Search Deals
One-way flight from Ontario to Cambodia
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($305 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Cambodia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 4, 2026.
Use the filters below to find and compare flights from Ontario to Cambodia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioSiem Reap

ONT - SAI

ONTSAI

Ontario

Fri 10/9

11:30 pm-6:55 pm

2 stops29h 25m

Siem Reap–Angkor Intl

Sat 10/17

9:40 am-5:05 pm

2 stops21h 25m

$1,097

OntarioSiem Reap

ONT - SAI

ONTSAI

Ontario

Wed 10/7

12:10 am-1:15 pm

2 stops23h 05m

Siem Reap–Angkor Intl

Sat 10/17

10:35 pm-6:00 pm

2 stops33h 25m

$1,122

OntarioSiem Reap

ONT - SAI

ONTSAI

Ontario

Fri 10/9

11:30 pm-6:55 pm

2 stops29h 25m

Siem Reap–Angkor Intl

Mon 10/19

7:35 pm-5:05 pm

2 stops59h 30m

$1,180

OntarioSiem Reap

ONT - SAI

ONTSAI

Ontario

Wed 10/7

12:10 am-4:55 pm

3 stops26h 45m

Siem Reap–Angkor Intl

Fri 10/16

9:35 am-6:00 pm

2 stops46h 25m

$1,181
Quickest round-trip

OntarioSiem Reap

ONT - SAI

ONTSAI

Ontario

Wed 1/6

10:50 pm-12:40 pm

2 stops22h 50m

Siem Reap–Angkor Intl

Thu 1/21

9:55 am-5:05 pm

2 stops22h 10m

$1,215

OntarioSiem Reap

ONT - SAI

ONTSAI

Ontario

Sun 9/20

12:10 am-6:55 pm

2 stops28h 45m

Siem Reap–Angkor Intl

Wed 9/30

10:35 pm-6:00 pm

2 stops33h 25m

$1,227

OntarioSiem Reap

ONT - SAI

ONTSAI

Ontario

Sun 1/17

10:50 pm-12:40 pm

2 stops22h 50m

Siem Reap–Angkor Intl

Tue 1/26

9:55 am-5:05 pm

2 stops22h 10m

$1,243

OntarioSiem Reap

ONT - SAI

ONTSAI

Ontario

Fri 11/13

10:50 pm-12:40 pm

2 stops22h 50m

Siem Reap–Angkor Intl

Sun 11/29

9:55 am-5:05 pm

2 stops22h 10m

$1,729

OntarioSiem Reap

ONT - SAI

ONTSAI

Ontario

Fri 10/9

11:13 am-6:55 pm

3 stops41h 42m

Siem Reap–Angkor Intl

Mon 10/19

7:35 pm-6:00 pm

3 stops36h 25m

$1,836
Cheapest one-way

OntarioSiem Reap

ONT - SAI

ONTSAI

Ontario

Tue 11/17

10:50 pm-7:05 pm

2 stops29h 15m

$578

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Ontario to Cambodia

Have a flexible travel schedule? Discover the best time to fly to Cambodia from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Cambodia

What is the cheapest month to book a flight from Ontario to Cambodia?

Currently, February is the cheapest month in which you can book a flight from Ontario to Cambodia (average of $676). Flying from Ontario to Cambodia in June is currently the most expensive (average of $1,396). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How far ahead should I book a flight from Ontario to Cambodia?

To ensure you get the cheapest price possible for a flight from Ontario to Cambodia, you should look to book at least 51 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Cambodia

Get insights into the airlines that provide service to Cambodia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cambodia. Reviews last updated August 4, 2026.
Read through reviews of airlines operating flights from Ontario to Cambodia, such as China Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.3
Very good
838 reviews

Entertainment

8.0

Overall

8.3

Boarding

8.3

Crew

8.5

Food

7.8

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.
China Airlines
8.3
Very good
838 reviews
China Airlines
8.3
Very good
838 reviews

Entertainment

8.0

Overall

8.3

Boarding

8.3

Crew

8.5

Food

7.8

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Cambodia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Cambodia?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Cambodia. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

  • Can I find deals for flights from Ontario to Cambodia that include hotel bookings?

    Yes. In addition to deals on Ontario to Cambodia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Cambodia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Cambodia.

  • Can I find deals for business class flights from Ontario to Cambodia?

    Yes. Cheapflights offers flight deals from Ontario to Cambodia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Cambodia?

    Currently, February is the cheapest month in which you can book a flight from Ontario to Cambodia (average of $676). Flying from Ontario to Cambodia in June is currently the most expensive (average of $1,396). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Ontario to Cambodia

Discover the top airline that operate flights from Ontario to Cambodia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$630Average$1,168FlexibilityNo cancel feeOn-time70%

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