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Phnom Penh

$473+ Cheap flights from Ontario (ONT) to Phnom Penh (PNH)

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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PNH
Apr 13 — Apr 201
Sun 4/13
Sun 4/20
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Phnom Penh Pochentong are usually found in February or May, booked 59 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Ontario to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Phnom Penh (PNH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$980
(oojo)

One-way from

$489
(ScholarTrip)

Popular in

June

Cheapest in

February

Average price

$977
Provider with most accurate pricing for Ontario-Phnom Penh Pochentong flight deals.
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Provider most trusted by Cheapflights users for Ontario-Phnom Penh Pochentong flights.
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From Ontario to Phnom Penh Pochentong
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One-way flight from Ontario to Phnom Penh Pochentong
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Highest demand for flights based on searches. 14% potential increase in price ($191 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Ontario to Phnom Penh

Cheapest flights from Ontario to Phnom Penh
Explore the most affordable flight options available from Ontario to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 8, 2025.

This StudentUniverse deal was found by Cheapflights users on 4/7. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:00 amONT - PNH
2 stops25h 25mKorean Air
Sat 11/1511:45 pmPNH - ONT
2 stops28h 33mKorean Air
Deal found 4/7$949
This FlightHub deal was found by Cheapflights users on 4/7. 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 10/1112:10 amONT - PNH
1 stop25h 55mMultiple Airlines
Sun 11/23:20 pmPNH - ONT
2 stops40h 30mMultiple Airlines
Deal found 4/7$978
This oojo deal was found by Cheapflights users on 4/7. 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.
Tue 7/812:45 amONT - PNH
1 stop25h 20mChina Airlines
Fri 7/1810:50 amPNH - ONT
1 stop21h 50mChina Airlines
Deal found 4/7$980
This United Airlines deal was found by Cheapflights users on 4/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:00 amONT - PNH
2 stops26h 55mUnited Airlines
Wed 10/2911:55 pmPNH - ONT
2 stops27h 15mUnited Airlines
Deal found 4/6$1,206
This oojo deal was found by Cheapflights users on 4/6. 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 9/146:00 amONT - PNH
3 stops44h 15mQatar Airways
Tue 9/305:40 pmPNH - ONT
3 stops44h 19mQatar Airways
Deal found 4/6$1,453

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Phnom Penh 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 April 8, 2025.
Use the filters below to find and compare flights from Ontario to Phnom Penh that are best for you.

Fly from

Ontario

Fly to

Phnom Penh

Route

Depart

Return

Price

OntarioPhnom Penh

ONT - PNH

ONTPNH

Ontario

Tue 7/8

12:45 am-4:05 pm

1 stop25h 20m

Phnom Penh Pochentong

Fri 7/18

10:50 am-6:40 pm

1 stop21h 50m

$980

OntarioPhnom Penh

ONT - PNH

ONTPNH

Ontario

Tue 5/6

3:10 pm-5:40 pm

2 stops36h 30m

Phnom Penh Pochentong

Wed 6/4

6:55 pm-12:14 pm

2 stops31h 19m

$1,030

OntarioPhnom Penh

ONT - PNH

ONTPNH

Ontario

Mon 8/18

7:00 am-10:10 pm

2 stops25h 10m

Phnom Penh Pochentong

Wed 8/27

11:30 pm-5:28 pm

2 stops31h 58m

$1,053

OntarioPhnom Penh

ONT - PNH

ONTPNH

Ontario

Wed 4/23

3:55 pm-10:55 pm

2 stops41h 00m

Phnom Penh Pochentong

Mon 6/16

11:55 pm-5:39 pm

2 stops31h 44m

$1,236

OntarioPhnom Penh

ONT - PNH

ONTPNH

Ontario

Sun 9/14

6:00 am-4:15 pm

3 stops44h 15m

Phnom Penh Pochentong

Tue 9/30

5:40 pm-11:59 pm

3 stops44h 19m

$1,453

OntarioPhnom Penh

ONT - PNH

ONTPNH

Ontario

Sun 4/27

8:10 am-10:15 am

2 stops36h 05m

$473

OntarioPhnom Penh

ONT - PNH

ONTPNH

Ontario

Wed 4/23

5:45 am-10:10 pm

2 stops26h 25m

$489

OntarioPhnom Penh

ONT - PNH

ONTPNH

Ontario

Tue 4/22

12:10 am-4:05 pm

1 stop25h 55m

$499

OntarioPhnom Penh

ONT - PNH

ONTPNH

Ontario

Wed 4/23

6:00 am-4:15 pm

3 stops44h 15m

$825

OntarioPhnom Penh

ONT - PNH

ONTPNH

Ontario

Sun 5/25

11:51 am-12:15 am

2 stops46h 24m

$3,338

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/6

Compare providers for flights from Ontario to Phnom Penh

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Phnom Penh in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Phnom Penh flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Phnom Penh flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Phnom Penh flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Phnom Penh flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Phnom Penh flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh 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 Phnom Penh

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

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Phnom Penh. Price data was last updated on April 4, 2025.

The price you pay for your flight from Ontario to Phnom Penh may vary depending on when you book. For the best chance of a lower fare, look to book 21 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, March is the cheapest month in which you can book a flight from Ontario to Phnom Penh (average of $994). Flying from Ontario to Phnom Penh in June is currently the most expensive (average of $1,582). 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.

What is the cheapest time of day to fly from ONT to PNH?

Find hourly flight availability from Ontario to Phnom Penh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 8, 2025.

A simple way to save on the total cost of your ticket is to fly from Ontario to Phnom Penh in the morning. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight at noon.

Rainfall in Phnom Penh by month

Plan your trip to Phnom Penh by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phnom Penh ranges from 0.0 - 9.8 inches per month. October is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Phnom Penh when rainfall is around 0.0 in.

Temperature in Phnom Penh by month

Plan your trip to Phnom Penh by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phnom Penh, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Phnom Penh

Get insights into the airlines that provide service to Phnom Penh. 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 Phnom Penh. Reviews last updated April 8, 2025.
To help decide which airline to fly from Ontario to Phnom Penh, see what other customers have to say about Korean Air, China Airlines and Qatar Airways. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,056 reviews

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,056 reviews
Korean Air
8.4
Very good
1,056 reviews

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
China Airlines
8.2
Very good
725 reviews
Korean Air
8.4
Very good
1,056 reviews

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Qatar Airways
7.4
Good
3,544 reviews
Korean Air
8.4
Very good
1,056 reviews

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
United Airlines
7.4
Good
8,629 reviews
Korean Air
8.4
Very good
1,056 reviews

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Philippine Airlines
7.2
Good
851 reviews
Korean Air
8.4
Very good
1,056 reviews

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

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

  • What are the cheapest airlines flying from Ontario to Phnom Penh round-trip?

    Cheapflights users have booked flights from Ontario to Phnom Penh round-trip from $980. Other airlines that can offer you cheap pricing are Korean Air, from $1,053, and United Airlines, from $1,306. China Airlines is 11% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Ontario to Phnom Penh one-way?

    For one-way options, check prices for Korean Air. According to our data, you can fly for as low as $489. Users have also found prices from $811 and $843 on China Airlines and Qatar Airways, respectively.

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

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

  • How can I find direct flights from Ontario to Phnom Penh?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Phnom Penh 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 Phnom Penh?

    Currently, March is the cheapest month in which you can book a flight from Ontario to Phnom Penh (average of $994). Flying from Ontario to Phnom Penh in June is currently the most expensive (average of $1,582). 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

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Top airline flying from Ontario to Phnom Penh

Discover the top airline that operate flights from Ontario to Phnom Penh. 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 April 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$922Average$1,246FlexibilityNo cancel feeOn-time70%

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