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?

Only Economy Class is available on flights from Ontario to Phnom Penh.

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

Most connecting flights from Ontario to Phnom Penh pass through Taipei City Taiwan Taoyuan Intl (TPE), which handles 100% of one-stop traffic on this route.

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

Yes. Flexible dates can save you up to 35% on flights from Ontario to Phnom Penh. Monday is the cheapest departure day at $900 round-trip on average, while Tuesday is the most expensive at $1,370, a difference of $470. 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 two weeks of departure) run 32% above the $1,170 route average. 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 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.

Have flight prices from Ontario to Phnom Penh changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $860 to $8,591. That means the highest observed fare was about 10x higher than the lowest one.

How are flight prices from Ontario to Phnom Penh looking right now?

One-way fares from Ontario to Phnom Penh are currently in line with typical prices for this route. Average one-way fares are about $519.

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 $897 to $1,385, with an average of $1,170 over the past 12 months. Anything below $897 counts as a good deal.

How much is a round-trip flight from Ontario to Phnom Penh?

Round-trip flights from Ontario to Phnom Penh typically range from $897 to $1,385. The lowest price found in the past 5 days was $861, on Delta.

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

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Ontario to Phnom Penh. It’s 24% cheaper than the average day, while Tuesday is the most expensive, with prices 17% higher.

When are flights 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.

Which airline is the cheapest to fly from Ontario to Phnom Penh?

Delta ($861) and Korean Air ($861) are the cheapest airlines to fly round-trip from Ontario to Phnom Penh according to KAYAK data over the last 5 days.

What is the cheapest layover airport when flying from Ontario to Phnom Penh?

Flights via Taipei City Taiwan Taoyuan Intl (TPE) offer the most affordable fares, with an average round-trip price of $1,187. Based on KAYAK data over the past 3 months.

When flying from Ontario to Phnom Penh which airport offers the shortest layover?

Taipei City Taiwan Taoyuan Intl (TPE) had the shortest average connection time for Ontario to Phnom Penh layovers at 12h 11m over the past 3 months.

$438 CHEAP FLIGHTS from Ontario to Phnom Penh (ONT - KTI)

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$861

Typical prices: $897-$1,385

Delta

Fri 11/2Sat 11/10

ONT - KTI • 2 stops

Cheapest one-way

$438

Typical prices: $534-$789

Korean Air

Fri 11/16

ONT - KTI • 2 stops

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.

Insights

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.

Insights

When to travel

February

Cheapest • 44% price drop

June

Most popular

Good to know

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Phnom Penh!

Flight Deals

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

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Ontario to Phnom Penh

Mon, Nov 2 - Tue, Nov 10

6:00 am - 10:45 pmONT Ontario-KTI Phnom Penh Techo Intl

25h 45m2 stops Salt Lake City Incheon Intl

12:10 am - 4:24 pmKTI Phnom Penh Techo Intl-ONT Ontario

31h 14m2 stops Incheon Intl Salt Lake City

$861Delta

Mon, Nov 2 - Wed, Nov 11

6:00 am - 10:45 pmONT Ontario-KTI Phnom Penh Techo Intl

25h 45m2 stops Salt Lake City Incheon Intl

12:10 am - 5:16 pmKTI Phnom Penh Techo Intl-ONT Ontario

32h 06m2 stops Incheon Intl Seattle/Tacoma Intl

$861Delta

Tue, Nov 3 - Wed, Nov 11

6:20 am - 10:40 pmONT Ontario-KTI Phnom Penh Techo Intl

25h 20m2 stops Seattle/Tacoma Intl Incheon Intl

12:15 am - 5:16 pmKTI Phnom Penh Techo Intl-ONT Ontario

32h 01m2 stops Incheon Intl Seattle/Tacoma Intl

$861Korean Air

Tue, Nov 3 - Tue, Nov 10

6:00 pm - 10:40 pmONT Ontario-KTI Phnom Penh Techo Intl

37h 40m2 stops Seattle/Tacoma Intl Incheon Intl

12:15 am - 5:16 pmKTI Phnom Penh Techo Intl-ONT Ontario

32h 01m2 stops Incheon Intl Seattle/Tacoma Intl

$861Korean Air

Mon, Nov 2 - Mon, Nov 16

6:00 am - 10:45 pmONT Ontario-KTI Phnom Penh Techo Intl

25h 45m2 stops Salt Lake City Incheon Intl

12:10 am - 5:16 pmKTI Phnom Penh Techo Intl-ONT Ontario

32h 06m2 stops Incheon Intl Seattle/Tacoma Intl

$861Delta

Mon, Nov 2 - Sun, Nov 15

6:00 am - 10:45 pmONT Ontario-KTI Phnom Penh Techo Intl

25h 45m2 stops Salt Lake City Incheon Intl

12:10 am - 5:16 pmKTI Phnom Penh Techo Intl-ONT Ontario

32h 06m2 stops Incheon Intl Seattle/Tacoma Intl

$861Delta

Tue, Nov 3 - Mon, Nov 16

6:00 pm - 10:40 pmONT Ontario-KTI Phnom Penh Techo Intl

37h 40m2 stops Seattle/Tacoma Intl Incheon Intl

12:15 am - 5:16 pmKTI Phnom Penh Techo Intl-ONT Ontario

32h 01m2 stops Incheon Intl Seattle/Tacoma Intl

$861Korean Air

Sun, Nov 1 - Wed, Nov 11

1:35 pm - 10:45 pmONT Ontario-KTI Phnom Penh Techo Intl

42h 10m2 stops Salt Lake City Incheon Intl

12:10 am - 5:16 pmKTI Phnom Penh Techo Intl-ONT Ontario

32h 06m2 stops Incheon Intl Seattle/Tacoma Intl

$866Delta

Mon, Jan 11 - Wed, Feb 24

10:50 pm - 10:35 amONT Ontario-KTI Phnom Penh Techo Intl

20h 45m1 stop Taipei City Taiwan Taoyuan Intl

11:35 am - 5:05 pmKTI Phnom Penh Techo Intl-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$1,133China Airlines

Wed, Jan 27 - Fri, Feb 12

10:50 pm - 10:35 amONT Ontario-KTI Phnom Penh Techo Intl

20h 45m1 stop Taipei City Taiwan Taoyuan Intl

11:35 am - 5:05 pmKTI Phnom Penh Techo Intl-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$1,134China Airlines

Recent last minute flight deals from Ontario to Phnom Penh

Wed, Oct 21 - Mon, Nov 2

6:00 am - 10:15 pmONT Ontario-KTI Phnom Penh Techo Intl

26h 15m2 stops Salt Lake City Incheon Intl

12:10 am - 5:12 pmKTI Phnom Penh Techo Intl-ONT Ontario

32h 02m2 stops Incheon Intl Seattle/Tacoma Intl

$861Delta

Tue, Oct 20 - Mon, Nov 2

6:00 am - 10:15 pmONT Ontario-KTI Phnom Penh Techo Intl

26h 15m2 stops Salt Lake City Incheon Intl

12:10 am - 5:12 pmKTI Phnom Penh Techo Intl-ONT Ontario

32h 02m2 stops Incheon Intl Seattle/Tacoma Intl

$861Delta

Tue, Oct 20 - Sun, Nov 1

6:20 am - 10:15 pmONT Ontario-KTI Phnom Penh Techo Intl

25h 55m2 stops Seattle/Tacoma Intl Incheon Intl

12:10 am - 5:12 pmKTI Phnom Penh Techo Intl-ONT Ontario

32h 02m2 stops Incheon Intl Seattle/Tacoma Intl

$861Delta

Tue, Oct 20 - Wed, Nov 4

6:20 am - 10:15 pmONT Ontario-KTI Phnom Penh Techo Intl

25h 55m2 stops Seattle/Tacoma Intl Incheon Intl

12:10 am - 4:23 pmKTI Phnom Penh Techo Intl-ONT Ontario

31h 13m2 stops Incheon Intl Salt Lake City

$861Delta

Wed, Oct 21 - Wed, Nov 4

6:00 am - 10:15 pmONT Ontario-KTI Phnom Penh Techo Intl

26h 15m2 stops Salt Lake City Incheon Intl

12:10 am - 4:23 pmKTI Phnom Penh Techo Intl-ONT Ontario

31h 13m2 stops Incheon Intl Salt Lake City

$861Delta

Tue, Oct 20 - Tue, Nov 3

6:20 am - 10:15 pmONT Ontario-KTI Phnom Penh Techo Intl

25h 55m2 stops Seattle/Tacoma Intl Incheon Intl

12:10 am - 4:23 pmKTI Phnom Penh Techo Intl-ONT Ontario

31h 13m2 stops Incheon Intl Salt Lake City

$861Delta

Wed, Oct 21 - Tue, Nov 3

6:00 am - 10:15 pmONT Ontario-KTI Phnom Penh Techo Intl

26h 15m2 stops Salt Lake City Incheon Intl

12:10 am - 10:11 pmKTI Phnom Penh Techo Intl-ONT Ontario

37h 01m2 stops Incheon Intl Salt Lake City

$861Delta

Wed, Oct 21 - Sun, Nov 1

6:00 am - 10:15 pmONT Ontario-KTI Phnom Penh Techo Intl

26h 15m2 stops Salt Lake City Incheon Intl

12:10 am - 5:12 pmKTI Phnom Penh Techo Intl-ONT Ontario

32h 02m2 stops Incheon Intl Seattle/Tacoma Intl

$861Delta

Mon, Oct 19 - Wed, Nov 4

12:10 am - 9:50 amONT Ontario-KTI Phnom Penh Techo Intl

19h 40m1 stop Taipei City Taiwan Taoyuan Intl

11:35 am - 5:05 pmKTI Phnom Penh Techo Intl-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$1,135China Airlines

Mon, Oct 19 - Wed, Nov 4

12:10 am - 9:50 amONT Ontario-KTI Phnom Penh Techo Intl

19h 40m1 stop Taipei City Taiwan Taoyuan Intl

11:35 am - 5:05 pmKTI Phnom Penh Techo Intl-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$3,586China 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 with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Ontario to Phnom Penh? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Ontario to Phnom Penh departing in november.
What's the cheapest day of the week to fly from Ontario to Phnom Penh?: Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Ontario to Phnom Penh. It’s 24% cheaper than the average day, while Tuesday is the most expensive, with prices 17% higher.
When are flights 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.

Find deals

Low season	September
High season	June
Cheapest flight	$438

Beat the crowds with an average 77% drop in travelers.

The most popular month to fly with an average 93% increase in travelers.

One-way 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.

What cabin classes can I book on flights from Ontario to Phnom Penh?
Only Economy Class is available on flights from Ontario to Phnom Penh.
How long is a flight from Ontario to Phnom Penh?
A nonstop flight from Ontario to Phnom Penh takes 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 should I expect to pay for a Ontario to Phnom Penh flight?
Round-trip flights from Ontario to Phnom Penh range from $897 to $1,385, with an average of $1,170 over the past 12 months. Anything below $897 counts as a good deal.
How expensive are last-minute Ontario to Phnom Penh flights?
Last-minute fares on this route (booked within two weeks of departure) run 32% above the $1,170 route average. Book 12 weeks before departure for the lowest fares.
Have flight prices from Ontario to Phnom Penh changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $860 to $8,591. That means the highest observed fare was about 10x higher than the lowest one.
How are flight prices from Ontario to Phnom Penh looking right now?
One-way fares from Ontario to Phnom Penh are currently in line with typical prices for this route. Average one-way fares are about $519.
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).
Which airports do connecting flights from Ontario to Phnom Penh pass through?
Most connecting flights from Ontario to Phnom Penh pass through Taipei City Taiwan Taoyuan Intl (TPE), which handles 100% of one-stop traffic on this route.
Can I save money by using flexible dates for flights from Ontario to Phnom Penh?
Yes. Flexible dates can save you up to 35% on flights from Ontario to Phnom Penh. Monday is the cheapest departure day at $900 round-trip on average, while Tuesday is the most expensive at $1,370, a difference of $470.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
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.

If your dates are flexible, aim for a Monday departure and avoid flying on Tuesday. On this route, Monday flights average $900, about $470 less than Tuesday fares (34% 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 $861 less than the most expensive month, which is December (based on the last 12 months).

More options for your flight from Ontario to Phnom Penh

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Complete your trip to Phnom Penh with a hotel stay or car rental

Car rentals in Phnom Penh

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Vacations in Phnom Penh

ONT - KTI

$438 Find Cheap Flights from Ontario to Phnom Penh - Compare and Save

Everything you should know

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

Recent round-trip flight deals from Ontario to Phnom Penh

Recent one-way flight deals from Ontario to Phnom Penh

Recent last minute flight deals from Ontario to Phnom Penh

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

How much is a round-trip flight from Ontario to Phnom Penh?

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

When are flights from Ontario to Phnom Penh the cheapest?

Which airline is the cheapest to fly from Ontario to Phnom Penh?

What is the cheapest layover airport when flying from Ontario to Phnom Penh?

When flying from Ontario to Phnom Penh which airport offers the shortest layover?

Key details for Ontario to Phnom Penh flights

Low season

High season

Cheapest flight

When to book flights from Ontario to Phnom Penh

Your Ontario to Phnom Penh flight questions, answered

Your guide to booking Ontario to Phnom Penh flights

More options for your flight from Ontario to Phnom Penh

Complete your trip to Phnom Penh with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Ontario to Phnom Penh

Find direct flights to and from Ontario and Phnom Penh

Flights from domestic origins to Phnom Penh

Flights to other popular destinations