ONT - KTI

Find cheap flights from Ontario to Phnom Penh - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Nonstop flights
Not available
There are currently no direct flights between Ontario and Phnom Penh. You'll need to take a connecting flight to reach the destination.
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When to book
12 weeks
in advance
Our data shows that travelers who book at least 12 weeks in advance save around 56% compared to booking last minute.
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Insights
When to travel
February
Cheapest • 44% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Shanghai Pu Dong (PVG)
Cheapest • Avg $803 (round-trip)
Taipei City Taiwan Taoyuan Intl (TPE)
Shortest trip • 21h 01m (one-way)
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Cheap Flights from Ontario to Phnom Penh (ONT-KTI)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Phnom Penh

Multiple Airlines Logo
ONT  Ontario Airport-KTI Phnom Penh Techo Intl
8232 mimulti-stop
Multiple Airlines Logo
KTI  Phnom Penh Techo Intl-ONT Ontario Airport
8232 mimulti-stop
Multiple Airlines
Booking Insights

Price, demand and travel trends for Ontario to Phnom Penh flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Ontario to Phnom Penh with more confidence.

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

Monday is the cheapest day of the week to fly from Ontario to Phnom Penh, it is 21% cheaper than the average day. Sunday is the most expensive day with flight prices 33% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • February is the cheapest month to fly from Ontario to Phnom Penh at $652 round-trip.
  • June ($1,396) and July ($1,317) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 114% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Ontario to Phnom Penh the cheapest?

Flights from Ontario to Phnom Penh are cheapest 12 weeks before departure. Booking in this window typically costs about 56% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Ontario to Phnom Penh flights

Low season

September
Best time to beat the crowds with an average 23% drop in price.
Most popular time to fly with an average 20% increase in price.

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

Your Ontario to Phnom Penh flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Ontario to Phnom Penh?

    Flights from Ontario to Phnom Penh usually depart from Ontario (ONT) and arrive at Phnom Penh Techo Intl (KTI).

  • What cabin classes can I book on flights from Ontario to Phnom Penh?

    Two cabin classes are available on flights from Ontario to Phnom Penh:

    • Economy Class
    • Business Class

  • Which airports do connecting flights from Ontario to Phnom Penh pass through?

    Connecting flights from Ontario to Phnom Penh most commonly pass through:

    • Taipei City Taiwan Taoyuan Intl (TPE) - 100% of one-stop connections
    • Shanghai Pu Dong (PVG) - 0% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Ontario to Phnom Penh?

    Yes. Being flexible with your travel dates can save you up to 41% on the Ontario to Phnom Penh route. Monday is the cheapest departure day at $923 round-trip on average, while Sunday is the most expensive at $1,561, a difference of $638. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How expensive are last-minute Ontario to Phnom Penh flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 33% above the route average of $1,166. Book 12 weeks before departure for the lowest fares.

  • How long is a flight from Ontario to Phnom Penh?

    A nonstop flight from Ontario to Phnom Penh takes 0h 00m, covering 8,232 miles.

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

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much time can I save by choosing a different layover airport from Ontario to Phnom Penh?

    Flying via Taipei City Taiwan Taoyuan Intl (TPE) gives the shortest average 1-stop total travel time at 21h 01m, compared with 22h 17m via Shanghai Pu Dong (PVG).

  • What is the time difference between Ontario and Phnom Penh?

    Phnom Penh is 14 hours ahead of Ontario (Indochina Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • How much should I expect to pay for a Ontario to Phnom Penh flight?

    Round-trip flights from Ontario to Phnom Penh range from $885 to $1,364, with an average of $1,166 over the past 12 months. Anything below $885 counts as a good deal.

Your guide to booking Ontario to Phnom Penh flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Monday departure instead of Sunday. On this route, Monday flights average $923 - about $638 less than Sunday (41% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 12 weeks before you fly. On this route, that window historically saves about 56% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Ontario to Phnom Penh trip for February. Fares historically average $652 round-trip in that month - typically $744 less than the most expensive month, which is June (based on the last 12 months).

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

Information on your arrival and departure airports

Ontario (ONT)
Phnom Penh (KTI)