How long does it take to fly to Ontario?

Average flight duration from Thailand to Ontario depends on which airport you fly into and out of. Flying from Bangkok to Los Angeles is 19h 02m on average, while flying from Chiang Mai to Los Angeles is 22h 35m on average. Los Angeles is the most popular airport in Ontario.

What is the cheapest airline that flies from Thailand to Ontario?

China Airlines is the most popular carrier operating from Thailand to Ontario

What airlines fly to Ontario?

Philippine Airlines, China Airlines and EVA Air are the top three most popular airlines that fly to Ontario from Thailand according to our data. Philippine Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 11 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Thailand to Ontario Airport?

Prices for flights from Thailand to Ontario Airport are updated daily.

How many operators does momondo search for flights from Thailand to Ontario Airport?

As of January 2026, there are 2 operators available to choose from for flights from Thailand to Ontario Airport.

How old do you have to be to fly from Thailand to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Thailand to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$486 Cheap Flights from Thailand to Ontario in 2026

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Find the cheapest flights from Thailand to Los Angeles

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10:50 am - 6:00 pm

BKK

ONT

21h 10m

1 stop

12:10 am - 9:45 am

ONT

BKK

19h 35m

1 stop

$791China Airlines

Mon, Apr 20 - Fri, May 1

1:20 pm - 6:00 pm

BKK

ONT

18h 40m

1 stop

12:45 am - 4:20 pm

ONT

BKK

25h 35m

1 stop

$797China Airlines

Sat, May 16 - Sat, Aug 29

1:20 pm - 6:00 pm

BKK

ONT

18h 40m

1 stop

12:10 am - 12:10 pm

ONT

BKK

22h 00m

1 stop

$798China Airlines

Wed, Apr 8 - Fri, May 1

1:20 pm - 6:00 pm

BKK

ONT

18h 40m

1 stop

12:10 am - 9:45 am

ONT

BKK

19h 35m

1 stop

$800China Airlines

Fri, May 29 - Tue, Jun 2

1:20 pm - 6:00 pm

BKK

ONT

18h 40m

1 stop

12:10 am - 9:45 am

ONT

BKK

19h 35m

1 stop

$805China Airlines

Mon, May 4 - Mon, Jun 8

10:50 am - 6:00 pm

BKK

ONT

21h 10m

1 stop

7:00 am - 9:45 pm

ONT

BKK

24h 45m

2 stops

$814Multiple Airlines

Sat, Jun 20 - Tue, Jul 28

10:55 am - 5:50 pm

BKK

ONT

20h 55m

1 stop

12:10 am - 9:45 am

ONT

BKK

19h 35m

1 stop

$859China Airlines

Thu, Mar 12 - Sun, Oct 4

5:30 pm - 6:00 pm

BKK

ONT

38h 30m

1 stop

12:45 am - 12:10 pm

ONT

BKK

21h 25m

1 stop

$860China Airlines

Fri, Jun 26 - Wed, Jul 1

2:05 pm - 5:50 pm

BKK

ONT

17h 45m

1 stop

12:10 am - 12:10 pm

ONT

BKK

22h 00m

1 stop

$865China Airlines

Sun, Mar 22 - Sat, Apr 4

7:30 am - 5:50 pm

DMK

ONT

24h 20m

2 stops

12:10 am - 11:15 pm

ONT

DMK

33h 05m

2 stops

$1,080Multiple Airlines

Sun, Mar 22 - Sat, Apr 4

United Airlines flights from Thailand to Ontario

Our best United Airlines deals on Thailand to Ontario flight tickets

United Airlines

May 16

BKK7:00 amBangkok Suvarnabhumi

24h 52m

2 stops

ONT5:52 pmOntario

Aug 30

ONT6:00 amOntario

27h 55m

2 stops

BKK11:55 pmBangkok Suvarnabhumi

$927

United Airlines

Jun 6

BKK7:00 amBangkok Suvarnabhumi

29h 34m

2 stops

ONT10:34 pmOntario

Jun 14

ONT6:00 amOntario

37h 35m

2 stops

BKK9:35 amBangkok Suvarnabhumi

$933

United Airlines

May 16

BKK3:45 pmBangkok Suvarnabhumi

55h 56m

2 stops

ONT9:41 amOntario

Aug 30

ONT6:00 amOntario

56h 35m

2 stops

BKK4:35 amBangkok Suvarnabhumi

$941

China Airlines flights from Thailand to Ontario

Our best China Airlines deals on Thailand to Ontario flight tickets

China Airlines

Apr 20

BKK10:50 amBangkok Suvarnabhumi

21h 10m

1 stop

ONT6:00 pmOntario

May 1

ONT12:10 amOntario

19h 35m

1 stop

BKK9:45 amBangkok Suvarnabhumi

$791

China Airlines

May 16

BKK1:20 pmBangkok Suvarnabhumi

18h 40m

1 stop

ONT6:00 pmOntario

Aug 29

ONT12:45 amOntario

25h 35m

1 stop

BKK4:20 pmBangkok Suvarnabhumi

$797

China Airlines

Apr 8

BKK1:20 pmBangkok Suvarnabhumi

18h 40m

1 stop

ONT6:00 pmOntario

May 1

ONT12:10 amOntario

22h 00m

1 stop

BKK12:10 pmBangkok Suvarnabhumi

$798

Fly from

Fly to

Route

Depart

Return

Price

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Mon 4/20

10:50 am-6:00 pm

1 stop21h 10m

Ontario

Fri 5/1

12:10 am-9:45 am

1 stop19h 35m

$791

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Sat 5/16

1:20 pm-6:00 pm

1 stop18h 40m

Ontario

Sat 8/29

12:45 am-4:20 pm

1 stop25h 35m

$797

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Wed 4/8

1:20 pm-6:00 pm

1 stop18h 40m

Ontario

Fri 5/1

12:10 am-12:10 pm

1 stop22h 00m

$798

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Fri 5/29

1:20 pm-6:00 pm

1 stop18h 40m

Ontario

Tue 6/2

12:10 am-9:45 am

1 stop19h 35m

$800

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Mon 5/4

1:20 pm-6:00 pm

1 stop18h 40m

Ontario

Mon 6/8

12:10 am-9:45 am

1 stop19h 35m

$805

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Sat 6/20

10:50 am-6:00 pm

1 stop21h 10m

Ontario

Tue 7/28

7:00 am-9:45 pm

2 stops24h 45m

$814

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Thu 3/12

10:55 am-5:50 pm

1 stop20h 55m

Ontario

Sun 10/4

12:10 am-9:45 am

1 stop19h 35m

$859

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Fri 6/26

5:30 pm-6:00 pm

1 stop38h 30m

Ontario

Wed 7/1

12:45 am-12:10 pm

1 stop21h 25m

$860

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Sun 3/22

2:05 pm-5:50 pm

1 stop17h 45m

Ontario

Sat 4/4

12:10 am-12:10 pm

1 stop22h 00m

$865

BangkokOntario

DMK - ONT

DMKONT

Bangkok Don Mueang Intl

Sun 3/22

7:30 am-5:50 pm

2 stops24h 20m

Ontario

Sat 4/4

12:10 am-11:15 pm

2 stops33h 05m

$1,080

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How to get the cheapest flight ticket from Thailand to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Ontario?

In general, March is the cheapest month to fly from Thailand to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $693. If you aren’t able to travel during the month of March, then book flights to Ontario from Thailand during December instead. Flights to Ontario in December, while not as cheap as those in March, still average around $736.

Can stopping save me money on Thailand to Ontario flights?

You could potentially save up to 26% on your flight if you consider stops on a Thailand to Ontario flight.

Cheap Thailand to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Thailand to Ontario

Fastest flight time	18h 40m
Direct flights	None

The fastest flight from Thailand to Ontario takes 18h 40m

There are no direct flights from Thailand to Ontario. There are no popular flight routes from Thailand to Ontario.

Search flight deals

When did momondo last update prices for flights from Thailand to Ontario Airport?
Prices for flights from Thailand to Ontario Airport are updated daily.
How many operators does momondo search for flights from Thailand to Ontario Airport?
As of January 2026, there are 2 operators available to choose from for flights from Thailand to Ontario Airport.
How old do you have to be to fly from Thailand to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Thailand to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Thailand to Ontario

Compare and see reviews for airlines that fly from Thailand to Ontario with momondo

Airline	Rating	Free Cancellation	Price
China Airlines	PriceFrom $735	Free Cancellation	Rating 8.3 802 reviews		Search China Airlines flights
STARLUX Airlines	PriceFrom $738	Free Cancellation	Rating 8.9 268 reviews		Search STARLUX Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Thailand to Ontario?

Finding the right flight to Ontario from Thailand is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

Can I find flights from Thailand to Ontario with flexible booking policies on momondo?

Yes. All flights to Ontario from Thailand on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Thailand to Ontario?

Once you have performed a search for Thailand to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Thailand to Ontario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Thailand to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.