ONT - PNH

$458 Find Cheap Flights from Ontario to Phnom Penh

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Phnom Penh departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Phnom Penh

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Phnom Penh, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Phnom Penh, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Ontario to Phnom Penh (ONT-PNH)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Phnom Penh that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Phnom Penh

Wed, Sep 17 - Tue, Nov 18
 Logo
6:00 am - 1:10 pmONT-PNH
41h 10m2 stops
 Logo
7:40 pm - 12:37 pmPNH-ONT
31h 57m2 stops
Sun, Oct 19 - Thu, Oct 23
Delta Logo
6:37 am - 10:10 pmONT-PNH
25h 33m2 stops
Delta Logo
11:30 pm - 10:41 pmPNH-ONT
37h 11m2 stops
$837Delta
Find Deal
Sat, Nov 22 - Mon, Dec 15
 Logo
9:45 pm - 11:25 amONT-PNH
22h 40m1 stop
 Logo
12:45 pm - 4:30 pmPNH-ONT
18h 45m1 stop
Wed, Aug 27 - Sun, Sep 7
China Airlines Logo
12:45 am - 9:50 amONT-PNH
19h 05m1 stop
China Airlines Logo
10:50 am - 6:40 pmPNH-ONT
21h 50m1 stop
$878China Airlines
Find Deal
Wed, Sep 10 - Wed, Sep 17
 Logo
11:10 pm - 11:15 amONT-PNH
22h 05m1 stop
 Logo
12:35 pm - 5:05 pmPNH-ONT
18h 30m1 stop
Sat, Nov 22 - Mon, Dec 15
Asiana Airlines Logo
7:33 pm - 10:55 pmONT-PNH
36h 22m2 stops
Asiana Airlines Logo
11:55 pm - 6:17 pmPNH-ONT
33h 22m2 stops
$1,012Asiana Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 15
Asiana Airlines Logo
4:11 pm - 10:55 pmONT-PNH
40h 44m2 stops
Asiana Airlines Logo
11:55 pm - 11:32 pmPNH-ONT
38h 37m2 stops
$1,020Asiana Airlines
Find Deal
Wed, Sep 17 - Sun, Nov 2
United Airlines Logo
6:50 pm - 10:55 pmONT-PNH
38h 05m2 stops
United Airlines Logo
11:55 pm - 5:34 pmPNH-ONT
32h 39m2 stops
$1,191United Airlines
Find Deal
Tue, Jan 6 - Tue, Feb 3
United Airlines Logo
10:40 am - 10:55 pmONT-PNH
45h 15m2 stops
United Airlines Logo
11:55 pm - 6:00 pmPNH-ONT
33h 05m2 stops
$1,256United Airlines
Find Deal
Wed, Sep 17 - Wed, Oct 1
EVA Air Logo
3:06 pm - 11:15 amONT-PNH
30h 09m2 stops
EVA Air Logo
12:35 pm - 6:47 pmPNH-ONT
44h 12m2 stops
$1,342EVA Air
Find Deal
Booking Insights

KAYAK's insights & trends for Ontario to Phnom Penh flights

Get data-powered insights and trends into flights from Ontario to Phnom Penh to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Ontario to Phnom Penh?

The average price of all round-trip flights from Ontario to Phnom Penh clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Phnom Penh on a Tuesday and more expensive on a Thursday. On your return trip to Ontario, you should consider flying back on a Wednesday, and avoid Fridays for better deals.

What is the cheapest month to fly from Ontario to Phnom Penh?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Ontario to Phnom Penh, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Ontario to Phnom Penh is February, where tickets cost $861 (return) on average. On the other hand, the most expensive months are June and December, where the average cost of round-trip tickets is $1,380 and $1,354 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Ontario to Phnom Penh, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Ontario to Phnom Penh, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Good to know

Low seasonFebruary
Cheapest flight$458
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly with an average 29% increase in price.
Flight from Ontario to Phnom Penh

When to book flights from Ontario to Phnom Penh

Are your dates flexible? Find out the best times to travel from Ontario to Phnom Penh based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Ontario to Phnom Penh

  • What is the cheapest flight from Ontario to Phnom Penh?

    In the last 3 days, the lowest price for a flight from Ontario to Phnom Penh was $458 for a one-way ticket and $796 for a round-trip.

  • Do I need a passport to fly between Ontario and Phnom Penh?

    A passport is required to fly from Ontario to Phnom Penh.

  • Which aircraft models fly most regularly from Ontario to Phnom Penh?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Ontario to Phnom Penh?

    Star Alliance, and SkyTeam are the airline alliances operating flights between Ontario and Phnom Penh, with Star Alliance being the most commonly used for this route.

  • What is the most popular layover when flying to Phnom Penh from Ontario?

    Taipei City is the most popular layover city among KAYAK users traveling from Ontario to Phnom Penh.

  • How does KAYAK find such low prices on flights from Ontario to Phnom Penh?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Phnom Penh.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Phnom Penh?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Phnom Penh from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Phnom Penh?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Phnom Penh with an airline and back to Ontario with another airline. Booking your flights between Ontario and PNH can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Phnom Penh?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Phnom Penh from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Ontario to Phnom Penh

 
See real verified KAYAK customer reviews for airlines flying from Ontario to Phnom Penh. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Ontario to Phnom Penh? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.4
Korean AirOverall score based on 1131 reviews
8.2Entertainment
8.5Boarding
8.7Crew
8.1Food
8.3Comfort
Airline reviews

It was good, I liked the self-serve snacks but it was a little difficult to get the alcohol, which is understandable since I wouldn't want kids sneaking it.

8.0 ExcellentMatt, Aug 2025ATL - ICN
Read more Korean Air reviews

It was good, I liked the self-serve snacks but it was a little difficult to get the alcohol, which is understandable since I wouldn't want kids sneaking it.

Friendly flight attendants and gate agents. Very clean plane and food was good!

This was an amazing flight. The crew was great. The service was great. The food provided was great.

I was unable to select decent seats, and so I was stuck in the middle seat because it was selected for me

There was a lot of partial tv shows but not enough to last the flight. The food was incredible! The crew were so helpful and patient. Lots more space than what I usually get on an international flight. Very comfortable!

Stingy on the drinks - 15 hour direct flight and could barely get attention for some water

Korean Air is unlike any other major airline I have flown with. The grace and respect that the staff has from check in to de-boarding is unmatched. The flight attendants this time were especially wonderful to my five little children. They helped us rearrange to more suitable seating, brought our children’s meals, and patiently waited for them in the aisles when they had to use the bathroom. We felt so welcome and comfortable. I really appreciate the meal voucher when our flight was delayed. I am grateful to have had such an stress-free experience.

Not many people, so you can lay down on two seats

It's good overall. Flight was packed. Inflight entertainment choices were lacking.

The delay in Korea was a pain and set us back a day. I have to give big props to Korean Air for setting up a hotel with dinner and transportation to and from the hotel. I also needed assistance with a wheelchair and they did an outstanding job.

I love my Delta crew, they were so welcoming and helpful.

Sat next to a woman who had her period. Blood was on her seat and on the arm rest between us. I ended up having period blood on my jacket and shoes. Very gross!

Better organization of boarding procedures. Terrible leadership guiding people to gates.

I did not like how the plane landed. It was not smooth.

Been flying with China Airline over years many times. Good experience with them, no issues.

China Airlines crews are very excellent doing their job. Very friendly and hardworking. I will always choose China Airlines over and over. Thank you all for making my flight comfortable. God bless to all the staff. :)

Staff was so nice and very helpful with directions aswell!

Not great, will likely try to fly another or maybe I should have upgraded my ticket? Needed Air…

I don’t think I’ll be flying them again. Tight seats, no flowing air or air nozzles that you can turn air on you, for those who could have motion sickness this would be your worst nightmare. The pilot was great and experienced (which is what you want when flying 12 hours) overall I’m thankful knowledgeable pilots!

My ticket did not indication which group I was in for boarding; the gate attended help me

Everything you need to know for your flight from Ontario to Phnom Penh

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