ONT

฿17,134 Find Cheap Flights to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Ontario departing on 10/6. 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, 0 bags

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

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Ontario, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to Ontario, as well as popular online travel agencies
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Everything you should know

Cheapest return fare
฿28,937
Typical prices: ฿26,828-฿25,079
STARLUX Airlines
Fri 16/10Sat 31/10
BKK - ONT • 1 stop
Cheapest one-way flight
฿16,937
Typical prices: ฿17,722-฿18,703
STARLUX Airlines
Wed 10/6
BKK - ONT • 1 stop
When to travel
February
Cheapest • 27% price drop
December
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Ontario!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights to Ontario

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights to Ontario 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 return flight deals to Ontario

Fri 16 Oct - Sat 31 Oct
STARLUX Airlines Logo
13:10 - 17:05
BKK
-
ONT
17h 55m
1 stop
STARLUX Airlines Logo
22:45 - 16:30
ONT
-
BKK
27h 45m
1 stop
฿28,937STARLUX Airlines
Fri 16 Oct - Sat 31 Oct
STARLUX Airlines Logo
17:50 - 17:05
BKK
-
ONT
37h 15m
1 stop
STARLUX Airlines Logo
22:45 - 12:35
ONT
-
BKK
23h 50m
1 stop
฿28,970STARLUX Airlines
Thu 18 Jun - Fri 3 Jul
STARLUX Airlines Logo
17:50 - 17:05
BKK
-
ONT
37h 15m
1 stop
STARLUX Airlines Logo
23:55 - 16:40
ONT
-
BKK
26h 45m
1 stop
฿29,101STARLUX Airlines
Mon 15 Jun - Wed 24 Jun
China Airlines Logo
10:50 - 18:00
BKK
-
ONT
21h 10m
1 stop
China Airlines Logo
00:10 - 16:20
ONT
-
BKK
26h 10m
1 stop
฿29,330China Airlines
Sat 14 Nov - Fri 4 Dec
STARLUX Airlines Logo
13:45 - 16:30
BKK
-
ONT
17h 45m
1 stop
STARLUX Airlines Logo
21:45 - 12:35
ONT
-
BKK
23h 50m
1 stop
฿29,362STARLUX Airlines
Sun 21 Jun - Wed 24 Jun
China Airlines Logo
17:30 - 18:00
BKK
-
ONT
38h 30m
1 stop
China Airlines Logo
00:10 - 09:45
ONT
-
BKK
19h 35m
1 stop
฿29,493China Airlines
Sat 20 Jun - Mon 27 Jul
China Airlines Logo
13:20 - 18:00
BKK
-
ONT
18h 40m
1 stop
China Airlines Logo
00:45 - 09:45
ONT
-
BKK
19h 00m
1 stop
฿29,526China Airlines
Tue 1 Sep - Mon 14 Sep
China Airlines Logo
17:30 - 18:40
BKK
-
ONT
39h 10m
1 stop
China Airlines Logo
00:45 - 09:45
ONT
-
BKK
19h 00m
1 stop
฿29,657China Airlines
Sun 21 Jun - Sun 28 Jun
China Airlines Logo
02:40 - 18:00
BKK
-
ONT
29h 20m
1 stop
China Airlines Logo
00:10 - 09:45
ONT
-
BKK
19h 35m
1 stop
฿29,722China Airlines
Sun 21 Jun - Wed 24 Jun
Multiple Airlines Logo
07:30 - 18:00
DMK
-
ONT
24h 30m
2 stops
Multiple Airlines Logo
00:10 - 17:35
ONT
-
DMK
27h 25m
2 stops
฿34,496Multiple Airlines
Booking Insights

KAYAK's insights & trends for flights to Ontario

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

What is the cheapest month to fly to Ontario?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights to Ontario, 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 to Ontario is February, where tickets cost ฿19,357 on average for return flights. On the other hand, the most expensive months are June and July, where the average cost of tickets from Thailand is ฿33,777 and ฿32,567 respectively. For one-way flights, the best month to travel is February with an average price of ฿19,357.

Find deals

Good to know – Book Cheap Ontario Plane Tickets

Low seasonFebruary
Cheapest flight฿16,937
Best time to beat the crowds (28% less expensive on average)
Most popular time to fly and prices are also 10% lower on average.
Flight from Bangkok Suvarnabhumi Airport to Ontario

When to book flights to Ontario

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

FAQs - booking Ontario flights

  • How far is Ontario Airport from central Ontario?

    The distance between Ontario Airport and the city centre of Ontario is 5 km.

  • What is the name of Ontario’s airport?

    Ontario is served by Ontario Airport, also commonly referred to as Ontario or Ontario Intl. The airport code is ONT.

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

    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 to Ontario.

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

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

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

    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 Ontario with an airline and back with another airline.

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

    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 Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Ontario

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Ontario flight deals.

Everything you need to know for your flight to Ontario

Information on the airport you'll fly into in Ontario

Ontario (ONT)