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$ 654 on ANA. Other airlines that offer cheap prices include United Airlines from C$ 686 and Cathay Pacific from C$ 760 one-way.

How far in advance should I book a flight from Region of Ontario to Southeast Asia?

To save up to 20% on this flight, we recommend booking at least 60 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Region of Ontario to Southeast Asia from C$ 1,801 1-2 weeks out and tickets from C$ 1,832 for flights departing within the next 72 hours.

What is the cheapest month to fly from Region of Ontario to Southeast Asia?

Our data shows that September tends to be the cheapest month to fly to Southeast Asia from Region of Ontario. Users have commonly found prices around C$ 1,776 for the month, but tickets can be as low as C$ 1,024. Due to multiple factors, prepare for potentially higher prices in December.

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.

C$ 654+ Flights from Ontario to Southeast Asia

Cheap flight deals from Ontario to Southeast Asia

Round-trip from	C$ 1,259
One-way from	C$ 654
Popular in	December
Cheapest in	September
Average price	C$ 2,077

ANA
5/9-26/9
4 total stops
62h 41m total
Ontario to Southeast Asia

Search Deals

ANA
30/9
2 total stops
31h 00m total
Ontario to Southeast Asia

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (C$ 253 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 88 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Find flight deals from Ontario to Southeast Asia

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 12 June 2025.

Wed 8/106:00 a.m.YUL - BKK

2 stops30h 55mUnited Airlines

Wed 29/109:25 a.m.BKK - YUL

2 stops23h 05mUnited Airlines

Deal found 11/6C$ 1,241

Fri 29/81:35 a.m.YYZ - BKK

1 stop29h 05mPhilippine Airlines

Sat 13/911:20 p.m.BKK - YYZ

2 stops41h 53mPhilippine Airlines

Deal found 12/6C$ 1,284

Wed 1/106:15 a.m.YUL - BKK

2 stops30h 40mMultiple Airlines

Wed 15/109:35 p.m.BKK - YUL

2 stops30h 51mMultiple Airlines

Deal found 12/6C$ 1,285

Thu 27/116:55 p.m.YYZ - BKK

2 stops27h 55mUnited Airlines

Sat 13/127:10 a.m.BKK - YYZ

2 stops26h 19mUnited Airlines

Deal found 11/6C$ 1,287

Fri 26/93:30 p.m.YYZ - BKK

1 stop21h 20mCathay Pacific

Sun 5/104:25 p.m.BKK - YYZ

1 stop24h 20mCathay Pacific

Deal found 11/6C$ 1,288

Tue 14/103:58 p.m.YUL - MNL

2 stops41h 42mJapan Airlines

Tue 17/39:40 a.m.MNL - YUL

2 stops41h 09mJapan Airlines

Deal found 11/6C$ 1,292

Fri 4/74:25 p.m.YYZ - BKK

2 stops33h 30mChina Eastern

Thu 17/78:50 p.m.BKK - YYZ

2 stops28h 35mChina Eastern

Deal found 11/6C$ 1,293

Thu 2/106:30 a.m.YYZ - MNL

1 stop35h 25mUnited Airlines

Mon 3/1111:30 p.m.MNL - YYZ

1 stop21h 00mUnited Airlines

Deal found 11/6C$ 1,300

Sun 7/97:45 p.m.YYZ - MNL

2 stops32h 05mChina Airlines

Sat 27/94:50 p.m.MNL - YYZ

2 stops50h 09mChina Airlines

Deal found 11/6C$ 1,302

Fri 12/910:00 a.m.YYZ - MNL

2 stops31h 45mMultiple Airlines

Thu 16/1011:05 a.m.MNL - YYZ

1 stop31h 54mMultiple Airlines

Deal found 11/6C$ 1,304

Tue 12/87:45 p.m.YYZ - BKK

2 stops51h 00mChina Airlines

Tue 7/102:40 a.m.BKK - YYZ

2 stops39h 19mChina Airlines

Deal found 10/6C$ 1,306

Sat 8/1110:30 a.m.YYZ - MNL

2 stops53h 20mAmerican Airlines

Mon 24/117:00 p.m.MNL - YYZ

2 stops39h 46mAmerican Airlines

Deal found 12/6C$ 1,306

Best flights from Ontario to Southeast Asia
Discover carefully curated flight deals from Ontario to Southeast Asia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 12 June 2025.

Fri 5/99:45 a.m.YUL - BKK

2 stops31h 50mANA

Fri 26/99:35 p.m.BKK - YUL

2 stops30h 51mANA

Deal found 12/6C$ 1,259

Tue 1/75:45 p.m.YUL - BKK

2 stops47h 50mUnited Airlines

Tue 8/79:35 a.m.BKK - YUL

2 stops47h 31mUnited Airlines

Deal found 10/6C$ 1,263

Fri 29/81:35 a.m.YYZ - BKK

1 stop29h 05mPhilippine Airlines

Sat 13/911:20 p.m.BKK - YYZ

2 stops41h 53mPhilippine Airlines

Deal found 12/6C$ 1,284

Wed 6/86:35 p.m.YUL - BKK

2 stops41h 35mMultiple Airlines

Wed 24/91:20 a.m.BKK - YUL

2 stops51h 35mMultiple Airlines

Deal found 10/6C$ 1,287

Fri 4/74:25 p.m.YYZ - BKK

2 stops33h 30mChina Eastern

Thu 17/78:50 p.m.BKK - YYZ

2 stops28h 35mChina Eastern

Deal found 11/6C$ 1,293

Wed 10/93:30 p.m.YYZ - BKK

1 stop31h 30mCathay Pacific

Tue 23/94:25 p.m.BKK - YYZ

1 stop32h 25mCathay Pacific

Deal found 12/6C$ 1,295

Sun 7/97:45 p.m.YYZ - MNL

2 stops32h 05mChina Airlines

Sat 27/94:50 p.m.MNL - YYZ

2 stops50h 09mChina Airlines

Deal found 11/6C$ 1,302

Sat 8/1110:30 a.m.YYZ - MNL

2 stops53h 20mAmerican Airlines

Mon 24/117:00 p.m.MNL - YYZ

2 stops39h 46mAmerican Airlines

Deal found 12/6C$ 1,306

Wed 10/91:40 p.m.YYZ - BKK

1 stop22h 30mAir Canada

Tue 23/91:20 a.m.BKK - YYZ

2 stops32h 54mAir Canada

Deal found 10/6C$ 1,330

Mon 8/912:30 p.m.YYZ - BKK

1 stop23h 55mKorean Air

Mon 29/99:50 a.m.BKK - YYZ

2 stops25h 53mKorean Air

Deal found 10/6C$ 1,332

Fri 22/86:49 a.m.YYZ - BKK

2 stops36h 01mJapan Airlines

Sat 6/910:05 p.m.BKK - YYZ

2 stops34h 25mJapan Airlines

Deal found 9/6C$ 1,333

Wed 26/117:45 p.m.YUL - SGN

1 stop23h 20mTurkish Airlines

Thu 26/38:45 a.m.SGN - YUL

1 stop45h 05mTurkish Airlines

Deal found 9/6C$ 1,380

Last-minute flights from Ontario to Southeast Asia
Discover last-minute flight deals from Ontario to Southeast Asia. Data last updated 12 June 2025 and is based on user searches.

Thu 12/65:10 p.m.YYZ - BKK

1 stop27h 10mAir India

Thu 19/63:15 p.m.BKK - YYZ

2 stops30h 35mAir India

Deal found 11/6C$ 1,341

Tue 17/66:30 a.m.YYZ - BKK

2 stops30h 25mUnited Airlines

Tue 24/69:35 a.m.BKK - YYZ

2 stops59h 23mUnited Airlines

Deal found 11/6C$ 1,374

Tue 17/66:30 a.m.YYZ - SGN

2 stops28h 25mUnited Airlines

Wed 9/711:15 p.m.SGN - YYZ

2 stops29h 19mUnited Airlines

Deal found 10/6C$ 1,411

Wed 18/610:35 a.m.YYZ - BKK

1 stop26h 15mCathay Pacific

Wed 9/77:00 p.m.BKK - YYZ

1 stop21h 45mCathay Pacific

Deal found 11/6C$ 1,388

Wed 18/611:30 p.m.YYZ - SGN

1 stop20h 55mAir France

Wed 25/69:25 a.m.SGN - YYZ

1 stop22h 30mAir France

Deal found 10/6C$ 1,617

Wed 18/67:00 p.m.YUL - SGN

1 stop25h 25mAir France

Wed 9/79:25 a.m.SGN - YUL

1 stop21h 45mAir France

Deal found 11/6C$ 1,622

Fri 20/64:25 p.m.YYZ - MNL

1 stop20h 55mChina Eastern

Fri 11/72:25 a.m.MNL - YYZ

1 stop24h 00mChina Eastern

Deal found 12/6C$ 1,416

Fri 20/65:10 p.m.YYZ - BKK

1 stop27h 10mAir India

Wed 16/710:25 p.m.BKK - YYZ

2 stops27h 25mAir India

Deal found 10/6C$ 1,570

Fri 20/63:30 p.m.YYZ - BKK

1 stop21h 20mMultiple Airlines

Wed 16/71:30 p.m.BKK - YYZ

1 stop20h 30mMultiple Airlines

Deal found 10/6C$ 1,578

Fri 20/66:45 a.m.YUL - BKK

2 stops30h 55mMultiple Airlines

Tue 22/72:10 a.m.BKK - YUL

2 stops33h 27mMultiple Airlines

Deal found 12/6C$ 1,624

Fri 20/610:05 a.m.YYZ - SGN

2 stops24h 50mMultiple Airlines

Tue 30/911:15 p.m.SGN - YYZ

2 stops25h 27mMultiple Airlines

Deal found 12/6C$ 1,627

Sat 21/69:45 a.m.YUL - SGN

2 stops27h 30mUnited Airlines

Tue 15/711:15 p.m.SGN - YUL

2 stops44h 20mUnited Airlines

Deal found 12/6C$ 1,326

One-way flights from Ontario to Southeast Asia
Search for one-way flight options from Ontario to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated 12 June 2025.

Tue 30/96:15 a.m.YUL - SGN

2 stops31h 00mANA

Deal found 11/6C$ 654

Tue 15/712:00 p.m.YYZ - KUL

3 stops58h 15mMultiple Airlines

Deal found 10/6C$ 655

Thu 6/117:55 a.m.YYZ - DPS

2 stops58h 10mMultiple Airlines

Deal found 10/6C$ 667

Wed 26/113:00 p.m.YUL - SGN

3 stops43h 55mUnited Airlines

Deal found 11/6C$ 686

Tue 15/78:10 a.m.YUL - SGN

2 stops38h 45mMultiple Airlines

Deal found 10/6C$ 736

Mon 11/88:00 a.m.YYZ - MNL

3 stops33h 45mMultiple Airlines

Deal found 11/6C$ 738

Tue 8/77:55 a.m.YYZ - BKK

2 stops33h 40mMultiple Airlines

Deal found 10/6C$ 740

Fri 1/88:40 a.m.YYZ - BKK

2 stops32h 55mUnited Airlines

Deal found 9/6C$ 745

Fri 12/96:45 a.m.YUL - DMK

3 stops46h 00mMultiple Airlines

Deal found 11/6C$ 746

Fri 1/86:45 p.m.YUL - BKK

2 stops46h 50mUnited Airlines

Deal found 9/6C$ 749

Thu 28/810:35 a.m.YYZ - BKK

1 stop20h 25mCathay Pacific

Deal found 9/6C$ 760

Thu 7/86:49 a.m.YYZ - MNL

2 stops26h 51mJapan Airlines

Deal found 11/6C$ 762

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealBangkok

YUL - BKK

YULBKK

Montreal Pierre Elliott Trudeau Intl

Wed 8/10

6:00 a.m.-11:55 p.m.

2 stops30h 55m

Bangkok Suvarnabhumi

Wed 29/10

9:25 a.m.-9:30 p.m.

2 stops23h 05m

C$ 1,241

TorontoBangkok

YYZ - BKK

YYZBKK

Toronto Pearson Intl

Sun 24/8

1:35 a.m.-5:40 p.m.

1 stop29h 05m

Bangkok Suvarnabhumi

Fri 19/9

1:30 p.m.-6:13 a.m.

2 stops27h 43m

C$ 1,284

MontrealBangkok

YUL - BKK

YULBKK

Montreal Pierre Elliott Trudeau Intl

Wed 1/10

6:15 a.m.-11:55 p.m.

2 stops30h 40m

Bangkok Suvarnabhumi

Wed 15/10

9:35 p.m.-5:26 p.m.

2 stops30h 51m

C$ 1,285

TorontoBangkok

YYZ - BKK

YYZBKK

Toronto Pearson Intl

Thu 27/11

6:55 p.m.-10:50 a.m.

2 stops27h 55m

Bangkok Suvarnabhumi

Sat 13/12

7:10 a.m.-9:29 p.m.

2 stops26h 19m

C$ 1,287

TorontoBangkok

YYZ - BKK

YYZBKK

Toronto Pearson Intl

Fri 26/9

3:30 p.m.-11:50 p.m.

1 stop21h 20m

Bangkok Suvarnabhumi

Sun 5/10

4:25 p.m.-5:45 a.m.

1 stop24h 20m

C$ 1,288

MontrealManila

YUL - MNL

YULMNL

Montreal Pierre Elliott Trudeau Intl

Tue 14/10

3:58 p.m.-9:40 p.m.

2 stops41h 42m

Manila Ninoy Aquino Intl

Tue 17/3

9:40 a.m.-2:49 p.m.

2 stops41h 09m

C$ 1,292

TorontoBangkok

YYZ - BKK

YYZBKK

Toronto Pearson Intl

Fri 4/7

4:25 p.m.-12:55 p.m.

2 stops33h 30m

Bangkok Suvarnabhumi

Thu 17/7

8:50 p.m.-2:25 p.m.

2 stops28h 35m

C$ 1,293

TorontoManila

YYZ - MNL

YYZMNL

Toronto Pearson Intl

Sun 7/9

7:45 p.m.-3:50 p.m.

2 stops32h 05m

Manila Ninoy Aquino Intl

Sat 27/9

4:50 p.m.-6:59 a.m.

2 stops50h 09m

C$ 1,302

TorontoManila

YYZ - MNL

YYZMNL

Toronto Pearson Intl

Fri 12/9

10:00 a.m.-5:45 a.m.

2 stops31h 45m

Manila Ninoy Aquino Intl

Thu 16/10

11:05 a.m.-6:59 a.m.

1 stop31h 54m

C$ 1,304

TorontoManila

YYZ - MNL

YYZMNL

Toronto Pearson Intl

Sat 8/11

10:30 a.m.-4:50 a.m.

2 stops53h 20m

Manila Ninoy Aquino Intl

Mon 24/11

7:00 p.m.-9:46 p.m.

2 stops39h 46m

C$ 1,306

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 60 results

...

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, September is the cheapest month in which you can book a flight from Region of Ontario to Southeast Asia (average of C$ 965). Flying from Region of Ontario to Southeast Asia in December is currently the most expensive (average of C$ 1,441). 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?

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.

Rainfall in Southeast Asia by month

In terms of precipitation, rainfall in Southeast Asia ranges from 10.0 - 400.0 mm per month. July is typically the wettest month, when rainfall can reach 400.0 mm. February is typically the driest time to visit Southeast Asia when rainfall is around 10.0 mm.

Temperature in Southeast Asia by month

If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

Reviews of airlines servicing Southeast Asia

To help decide which airline to fly from Ontario to Southeast Asia, see what other customers have to say about EVA Air, Korean Air and Japan Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,202 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

EVA Air

8.4

Very good

1,202 reviews

EVA Air

8.4

Very good

1,202 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Korean Air

8.4

Very good

1,088 reviews

EVA Air

8.4

Very good

1,202 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Japan Airlines

8.3

Very good

1,489 reviews

EVA Air

8.4

Very good

1,202 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

China Airlines

8.3

Very good

738 reviews

EVA Air

8.4

Very good

1,202 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

ANA

8.3

Very good

882 reviews

EVA Air

8.4

Very good

1,202 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

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$ 654 on ANA. Other airlines that offer cheap prices include United Airlines from C$ 686 and Cathay Pacific from C$ 760 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, September is the cheapest month in which you can book a flight from Region of Ontario to Southeast Asia (average of C$ 965). Flying from Region of Ontario to Southeast Asia in December is currently the most expensive (average of C$ 1,441). 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

Top 10 airlines flying from Ontario to Southeast Asia

Airline	Cheapest	Average	Flexibility	On-time
Condor	CheapestC$ 731	AverageC$ 1,627	FlexibilityNo cancel fee	On-time76%	Search Condor flights
SAUDIA	CheapestC$ 832	AverageC$ 1,213	FlexibilityNo cancel fee	On-time86%	Search SAUDIA flights
SWISS	CheapestC$ 927	AverageC$ 1,386	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Air France	CheapestC$ 1,050	AverageC$ 1,668	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Delta	CheapestC$ 1,092	AverageC$ 2,058	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
WestJet Encore	CheapestC$ 1,151	AverageC$ 1,562	FlexibilityNo cancel fee	On-timeN/A	Search WestJet Encore flights
Ethiopian Air	CheapestC$ 1,183	AverageC$ 1,398	FlexibilityNo cancel fee	On-time72%	Search Ethiopian Air flights
China Eastern	CheapestC$ 1,198	AverageC$ 1,536	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
American Airlines	CheapestC$ 1,204	AverageC$ 1,409	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
China Southern	CheapestC$ 1,235	AverageC$ 1,720	FlexibilityNo cancel fee	On-time69%	Search China Southern flights

Fly with Cheapflights

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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Cheap flights from Ontario to Southeast Asia from C$ 654

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 12 June 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Southeast Asia

Cheapest flights from Ontario to Southeast AsiaExplore 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 12 June 2025.

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 12 June 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Southeast Asia that are best for you.

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.

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?

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 12 June 2025.

Rainfall in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average rainfall totals by month.

Temperature in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average temperature totals by month.

Reviews of airlines servicing Southeast Asia

To help decide which airline to fly from Ontario to Southeast Asia, see what other customers have to say about EVA Air, Korean Air and Japan Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

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

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

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

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

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.

Top 10 airlines flying from Ontario to Southeast Asia

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?

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

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

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

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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 12 June 2025.