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Cheap flights from Ontario to Southeast Asia from C$ 568

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BKK
22 Feb — 1 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Southeast Asia

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Southeast Asia
Explore the most affordable flight options available from Ontario to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 January 2026.

Mon 19/106:30 a.m.
YYZ
-
BKK
2 stops30h 25m
United Airlines
Mon 16/117:10 a.m.
BKK
-
YYZ
2 stops28h 55m
United Airlines
Deal found 21/1C$ 1,247
Mon 21/96:20 p.m.
YYZ
-
BKK
2 stops28h 15m
United Airlines
Tue 27/107:10 a.m.
BKK
-
YYZ
2 stops27h 55m
United Airlines
Deal found 22/1C$ 1,248
Tue 10/114:55 p.m.
YYZ
-
BKK
2 stops43h 25m
United Airlines
Mon 16/117:10 a.m.
BKK
-
YYZ
2 stops28h 55m
United Airlines
Deal found 22/1C$ 1,250
Wed 6/58:50 a.m.
YYZ
-
BKK
2 stops28h 05m
ANA
Wed 13/59:35 a.m.
BKK
-
YYZ
2 stops45h 02m
ANA
Deal found 21/1C$ 1,251
Wed 6/57:25 a.m.
YTZ
-
BKK
2 stops34h 10m
United Airlines
Tue 9/69:35 a.m.
BKK
-
YTZ
2 stops34h 59m
United Airlines
Deal found 21/1C$ 1,251
Fri 17/46:50 p.m.
YYZ
-
BKK
2 stops27h 45m
United Airlines
Mon 4/53:45 p.m.
BKK
-
YYZ
2 stops35h 29m
United Airlines
Deal found 21/1C$ 1,253
Tue 17/36:45 a.m.
YYZ
-
BKK
2 stops30h 35m
United Airlines
Wed 22/49:35 a.m.
BKK
-
YYZ
2 stops33h 35m
United Airlines
Deal found 22/1C$ 1,254
Mon 26/112:45 p.m.
YYZ
-
BKK
3 stops34h 40m
United Airlines
Tue 3/24:55 p.m.
BKK
-
YYZ
3 stops28h 51m
United Airlines
Deal found 23/1C$ 1,255
Sat 2/56:30 p.m.
YYZ
-
BKK
2 stops31h 45m
Delta
Sat 13/69:40 p.m.
BKK
-
YYZ
2 stops28h 38m
Delta
Deal found 21/1C$ 1,257
Fri 28/84:50 p.m.
YUL
-
BKK
2 stops68h 05m
United Airlines
Mon 7/93:45 p.m.
BKK
-
YUL
2 stops39h 30m
United Airlines
Deal found 22/1C$ 1,257
Sat 2/56:10 a.m.
YYZ
-
BKK
2 stops28h 35m
Delta
Sun 10/59:50 a.m.
BKK
-
YYZ
2 stops35h 34m
Delta
Deal found 22/1C$ 1,258
Sun 12/46:00 a.m.
YUL
-
BKK
2 stops28h 45m
Delta
Fri 8/59:40 p.m.
BKK
-
YUL
2 stops49h 07m
Delta
Deal found 22/1C$ 1,258

Find flight deals from Ontario to Southeast Asia

Keep the following information in mind while searching for Ontario to Southeast Asia flight deals. Data was last updated 23 January 2026.

Round-trip from

C$ 1,251

One-way from

C$ 568

Popular in

December

Cheapest in

September

Average price

C$ 1,605
ANA
  • ANA
  • 6/5-13/5
  • 4 total stops
  • 73h 07m total
  • Ontario to Southeast Asia
Search Deals
ANA
  • ANA
  • 9/3
  • 2 total stops
  • 43h 35m total
  • Ontario to Southeast Asia
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 129 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 66 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Southeast Asia 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 629,999 searches. Data last updated 23 January 2026.
Use the filters below to find and compare flights from Ontario to Southeast Asia that are best for you.

Fly from

Ontario

Fly to

Southeast Asia

Route

Depart

Return

Price

TorontoBangkok

YTZ - BKK

YTZBKK

Toronto Island

Wed 6/5

7:25 a.m.-4:35 a.m.

2 stops34h 10m

Bangkok Suvarnabhumi

Tue 9/6

9:35 a.m.-9:34 a.m.

2 stops34h 59m

C$ 1,251

TorontoBangkok

YTZ - BKK

YTZBKK

Toronto Island

Thu 7/5

7:25 a.m.-4:35 a.m.

2 stops34h 10m

Bangkok Suvarnabhumi

Wed 10/6

9:35 a.m.-9:34 a.m.

2 stops34h 59m

C$ 1,251

TorontoBangkok

YYZ - BKK

YYZBKK

Toronto Pearson Intl

Sat 2/5

6:10 a.m.-9:45 p.m.

2 stops28h 35m

Bangkok Suvarnabhumi

Thu 14/5

9:40 p.m.-10:00 p.m.

2 stops35h 20m

C$ 1,258

MontrealBangkok

YUL - BKK

YULBKK

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

6:00 a.m.-12:55 a.m.

2 stops30h 55m

Bangkok Suvarnabhumi

Thu 23/4

9:40 p.m.-11:41 a.m.

2 stops49h 01m

C$ 1,258

MontrealBangkok

YUL - BKK

YULBKK

Montreal Pierre Elliott Trudeau Intl

Fri 1/5

6:00 a.m.-9:45 p.m.

2 stops28h 45m

Bangkok Suvarnabhumi

Fri 22/5

11:30 p.m.-11:34 p.m.

2 stops35h 04m

C$ 1,258

MontrealBangkok

YUL - BKK

YULBKK

Montreal Pierre Elliott Trudeau Intl

Sat 4/4

7:00 a.m.-1:15 p.m.

2 stops43h 15m

Bangkok Suvarnabhumi

Sun 3/5

9:50 a.m.-5:34 p.m.

2 stops42h 44m

C$ 1,258

TorontoBangkok

YYZ - BKK

YYZBKK

Toronto Pearson Intl

Tue 28/4

1:00 p.m.-9:35 a.m.

3 stops33h 35m

Bangkok Suvarnabhumi

Mon 11/5

9:35 a.m.-6:24 a.m.

2 stops31h 49m

C$ 1,265

TorontoBangkok

YTZ - BKK

YTZBKK

Toronto Island

Tue 5/5

6:10 p.m.-11:55 p.m.

2 stops42h 45m

Bangkok Suvarnabhumi

Wed 10/6

9:35 a.m.-9:34 a.m.

2 stops34h 59m

C$ 1,266

TorontoBangkok

YYZ - BKK

YYZBKK

Toronto Pearson Intl

Mon 6/4

10:45 a.m.-9:35 a.m.

3 stops35h 50m

Bangkok Suvarnabhumi

Wed 13/5

7:00 a.m.-9:42 p.m.

2 stops25h 42m

C$ 1,268

MontrealBangkok

YUL - BKK

YULBKK

Montreal Pierre Elliott Trudeau Intl

Fri 20/2

9:15 a.m.-5:10 a.m.

2 stops31h 55m

Bangkok Suvarnabhumi

Sun 8/3

7:10 a.m.-8:17 p.m.

2 stops25h 07m

C$ 1,273

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/1

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia 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 Southeast Asia

What is the cheapest month to book a flight from Region of Ontario to Southeast Asia?

Currently, July is the cheapest month in which you can book a flight from Region of Ontario to Southeast Asia (average of C$ 475). Flying from Region of Ontario to Southeast Asia in June is currently the most expensive (average of C$ 1,333). 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 ON to YJX?

Find hourly flight availability from Ontario to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 January 2026.

When flying from Region of Ontario to Southeast Asia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

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

  • How long is the flight from Region of Ontario to Southeast Asia?

    Airlines like United Airlines, Delta, and KLM fly from Region of Ontario to Southeast Asia in about 30h 55m. The time it takes to get you to your destination can typically vary by up to 5h 20m. Airlines will cover a distance of 13404 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Region of Ontario to Southeast Asia one-way?

    One-way options have recently been found by users for as low as C$ 450 on American Airlines. Other airlines that offer cheap prices include Philippine Airlines from C$ 486 and United Airlines from C$ 517 one-way.

  • Can I find deals for flights from Ontario to Southeast Asia that include hotel bookings?

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

  • How can I find direct flights from Ontario to Southeast Asia?

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

  • Can I find deals for business class flights from Ontario to Southeast Asia?

    Yes. Cheapflights offers flight deals from Ontario to Southeast Asia 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 Region of Ontario to Southeast Asia?

    Currently, July is the cheapest month in which you can book a flight from Region of Ontario to Southeast Asia (average of C$ 475). Flying from Region of Ontario to Southeast Asia in June is currently the most expensive (average of C$ 1,333). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Ontario to Southeast Asia

Discover the top 10 airlines that operate flights from Ontario to Southeast Asia. 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 629,999 searches. Data last updated 23 January 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 684AverageC$ 1,254FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
CondorCheapestC$ 738AverageC$ 1,590FlexibilityNo cancel feeOn-time76%
Search Condor flights
ANACheapestC$ 983AverageC$ 1,256FlexibilityNo cancel feeOn-time80%
Search ANA flights
SAUDIACheapestC$ 1,052AverageC$ 1,526FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
Air FranceCheapestC$ 1,055AverageC$ 1,651FlexibilityNo cancel feeOn-time77%
Search Air France flights
Turkish AirlinesCheapestC$ 1,074AverageC$ 1,501FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Asiana AirlinesCheapestC$ 1,103AverageC$ 2,199FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Singapore AirlinesCheapestC$ 1,105AverageC$ 1,842FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
China AirlinesCheapestC$ 1,110AverageC$ 1,757FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
China EasternCheapestC$ 1,130AverageC$ 1,497FlexibilityNo cancel feeOn-time62%
Search China Eastern flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Southeast Asia?

Cheapflights makes it easy to find Ontario to Southeast Asia flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Southeast Asia?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Southeast Asia from Ontario.

Can Cheapflights find flights from Ontario to Southeast Asia with no change fees?

Certainly. Search results for flights to Southeast Asia from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ontario to Southeast Asia become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Southeast Asia from Ontario today and book when prices fit your budget.

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