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Cheap flights from Ontario to Bangkok Don Mueang Intl Airport from C$ 573

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 24/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — DMK
14 Oct — 21 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Ontario to Don Mueang Intl

Keep the following information in mind while searching for Ontario to Don Mueang Intl flight deals. Data was last updated 14 September 2025.

Round-trip from

C$ 1,691

One-way from

C$ 573

Popular in

December

Cheapest in

September

Average price

C$ 1,309
8/2-1/3
  • 8/2-1/3
  • 4 total stops
  • 72h 25m total
  • Ontario to Bangkok
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24/11
  • 24/11
  • 3 total stops
  • 52h 40m total
  • Ontario to Bangkok
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 198 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 70 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Ontario to Don Mueang Intl

Cheapest flights from Ontario to Don Mueang Intl
Explore the most affordable flight options available from Ontario to Don Mueang Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 September 2025.

Sun 14/91:35 a.m.YYZ - DMK
2 stops35h 35mMultiple Airlines
Tue 30/93:05 a.m.DMK - YYZ
2 stops30h 55mMultiple Airlines
Deal found 13/9C$ 1,286
Fri 19/91:35 a.m.YYZ - DMK
2 stops34h 40mMultiple Airlines
Sat 4/107:05 p.m.DMK - YYZ
3 stops46h 54mMultiple Airlines
Deal found 14/9C$ 1,456
Wed 17/91:50 a.m.YYZ - DMK
2 stops30h 25mMultiple Airlines
Wed 1/107:05 a.m.DMK - YYZ
2 stops33h 40mMultiple Airlines
Deal found 14/9C$ 1,625
Wed 17/91:35 a.m.YYZ - DMK
1 stop22h 50mMultiple Airlines
Sat 20/97:45 a.m.DMK - YYZ
2 stops25h 25mMultiple Airlines
Deal found 13/9C$ 1,733
Thu 18/91:30 a.m.YYZ - DMK
1 stop37h 25mMultiple Airlines
Thu 25/92:45 a.m.DMK - YYZ
2 stops30h 05mMultiple Airlines
Deal found 12/9C$ 1,806
Fri 10/108:05 a.m.YUL - DMK
3 stops33h 20mMultiple Airlines
Fri 24/102:45 a.m.DMK - YUL
2 stops32h 56mMultiple Airlines
Deal found 12/9C$ 1,971
Fri 19/912:55 p.m.YUL - DMK
2 stops24h 15mMultiple Airlines
Fri 3/1011:55 p.m.DMK - YUL
2 stops30h 25mMultiple Airlines
Deal found 12/9C$ 2,057
Thu 25/98:05 a.m.YUL - DMK
2 stops29h 05mMultiple Airlines
Wed 8/107:25 a.m.DMK - YUL
2 stops34h 28mMultiple Airlines
Deal found 14/9C$ 2,062
Fri 19/912:55 p.m.YUL - DMK
2 stops24h 15mMultiple Airlines
Sat 4/102:40 a.m.DMK - YUL
2 stops27h 40mMultiple Airlines
Deal found 12/9C$ 2,065
Fri 12/912:55 p.m.YUL - DMK
2 stops24h 15mMultiple Airlines
Thu 18/92:45 a.m.DMK - YUL
1 stop27h 05mMultiple Airlines
Deal found 11/9C$ 2,342
Fri 26/99:35 p.m.YUL - DMK
2 stops34h 40mMultiple Airlines
Thu 9/1011:50 a.m.DMK - YUL
2 stops37h 55mMultiple Airlines
Deal found 12/9C$ 2,408

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Don Mueang Intl 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 14 September 2025.
Use the filters below to find and compare flights from Ontario to Bangkok Don Mueang Intl Airport that are best for you.

Fly from

Ontario

Fly to

Don Mueang Intl

Route

Depart

Return

Price

MontrealBangkok

YUL - DMK

YULDMK

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

8:50 p.m.-7:15 p.m.

2 stops34h 25m

Bangkok Don Mueang Intl

Sun 1/3

12:05 p.m.-2:05 p.m.

2 stops38h 00m

C$ 1,691

MontrealBangkok

YUL - DMK

YULDMK

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

8:50 p.m.-11:05 a.m.

2 stops26h 15m

Bangkok Don Mueang Intl

Sat 7/3

8:15 p.m.-2:05 p.m.

2 stops53h 50m

C$ 1,696

MontrealBangkok

YUL - DMK

YULDMK

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

8:50 p.m.-7:15 p.m.

2 stops34h 25m

Bangkok Don Mueang Intl

Sun 25/1

8:15 p.m.-2:05 p.m.

2 stops53h 50m

C$ 1,808

TorontoBangkok

YYZ - DMK

YYZDMK

Toronto Pearson Intl

Wed 1/10

1:35 a.m.-10:00 p.m.

1 stop33h 25m

Bangkok Don Mueang Intl

Sat 1/11

2:30 a.m.-1:38 a.m.

2 stops34h 08m

C$ 1,817

TorontoBangkok

YYZ - DMK

YYZDMK

Toronto Pearson Intl

Sun 7/12

10:00 a.m.-2:40 a.m.

2 stops28h 40m

Bangkok Don Mueang Intl

Thu 18/12

2:35 a.m.-11:38 p.m.

3 stops33h 03m

C$ 1,827

TorontoBangkok

YYZ - DMK

YYZDMK

Toronto Pearson Intl

Wed 5/11

3:25 p.m.-6:10 a.m.

1 stop26h 45m

Bangkok Don Mueang Intl

Fri 21/11

2:30 a.m.-12:38 a.m.

2 stops34h 08m

C$ 1,898

MontrealBangkok

YUL - DMK

YULDMK

Montreal Pierre Elliott Trudeau Intl

Fri 10/10

8:05 a.m.-4:25 a.m.

3 stops33h 20m

Bangkok Don Mueang Intl

Fri 24/10

2:45 a.m.-12:41 a.m.

2 stops32h 56m

C$ 1,971

TorontoBangkok

YYZ - DMK

YYZDMK

Toronto Pearson Intl

Thu 25/9

1:10 p.m.-10:50 p.m.

1 stop22h 40m

Bangkok Don Mueang Intl

Thu 16/10

7:05 p.m.-10:10 p.m.

2 stops38h 05m

C$ 1,983

TorontoBangkok

YYZ - DMK

YYZDMK

Toronto Pearson Intl

Mon 2/2

2:30 p.m.-3:35 p.m.

2 stops37h 05m

Bangkok Don Mueang Intl

Sat 28/2

8:15 p.m.-8:15 a.m.

2 stops48h 00m

C$ 2,001

MontrealBangkok

YUL - DMK

YULDMK

Montreal Pierre Elliott Trudeau Intl

Thu 25/9

8:05 a.m.-12:10 a.m.

2 stops29h 05m

Bangkok Don Mueang Intl

Wed 8/10

7:25 a.m.-6:53 a.m.

2 stops34h 28m

C$ 2,062

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/9

Showing 1-10 of 48 results
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Best time to book a flight from Ontario to Don Mueang Intl

Have a flexible travel schedule? Discover the best time to fly to Don Mueang Intl 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 Bangkok Don Mueang Intl Airport

What is the cheapest time of day to fly from ON to DMK?

Find hourly flight availability from Ontario to Don Mueang Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Bangkok Don Mueang Intl Airport as you normally would.

Related info for your journey

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

  • What are the most popular routes from Region of Ontario to Bangkok Don Mueang Intl Airport?

    While some choose either Montreal Pierre Elliott Trudeau Intl - Bangkok Don Mueang Intl or Hamilton - Bangkok Don Mueang Intl, Toronto Pearson Intl - Bangkok Don Mueang Intl is the most popular route from Region of Ontario to Bangkok Don Mueang Intl Airport.

  • Can I find deals for flights from Ontario to Don Mueang Intl that include hotel bookings?

    Yes. In addition to deals on Ontario to Don Mueang Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Don Mueang Intl?

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

  • Can I find deals for business class flights from Ontario to Don Mueang Intl?

    Yes. Cheapflights offers flight deals from Ontario to Don Mueang Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Ontario to Don Mueang Intl

See prices for flight routes from nearby airports that may be better suited for you.
Vancouver Intl to Suvarnabhumi flights
Pierre Elliott Trudeau Intl to Suvarnabhumi flights
Pearson Intl to Suvarnabhumi flights
Québec City to Suvarnabhumi flights
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Edmonton to Suvarnabhumi flights
Toronto Island to Suvarnabhumi flights
Calgary to Suvarnabhumi flights
Pearson Intl to Don Mueang Intl flights
Vancouver Intl to Don Mueang Intl flights
Ottawa to Suvarnabhumi flights
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Kelowna to Suvarnabhumi flights
Winnipeg to Suvarnabhumi flights
Calgary to Don Mueang Intl flights
Saskatoon to Suvarnabhumi flights
Halifax to Suvarnabhumi flights
Hamilton to Suvarnabhumi flights
Pierre Elliott Trudeau Intl to Don Mueang Intl flights
Regina to Suvarnabhumi flights
Fredericton to Suvarnabhumi flights
St. John's to Suvarnabhumi flights
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Prince George to Suvarnabhumi flights
Sudbury to Suvarnabhumi flights
Nanaimo to Suvarnabhumi flights
London to Suvarnabhumi flights
Penticton to Suvarnabhumi flights
Winnipeg to Don Mueang Intl flights
Halifax to Don Mueang Intl flights
Moncton to Don Mueang Intl flights
Edmonton to Don Mueang Intl flights
Québec City to Don Mueang Intl flights
Victoria to Don Mueang Intl flights
Kelowna to Don Mueang Intl flights

Top airline flying from Ontario to Don Mueang Intl

Discover the top airline that operate flights from Ontario to Don Mueang Intl. 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 14 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapestC$ 1,739AverageC$ 2,132FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ontario to Don Mueang Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Don Mueang Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Don Mueang Intl?

Cheapflights simply makes it quick and affordable to book flights from Ontario to Don Mueang Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ontario to Don Mueang Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Don Mueang Intl flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ontario to Don Mueang Intl become cheaper?

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

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