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Cheap flights from Ontario to Bangkok from $389

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Bangkok departing on 2/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ontario to Bangkok

Cheap round-trip flights

These are some of the best round-trip flight deals from Ontario to Bangkok that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ontario to Bangkok.

Cheap last minute flights

Planning a quick getaway from Ontario to Bangkok? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Bangkok, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ontario to Bangkok

Find recent round-trip train or bus tickets from Ontario to Bangkok.

All round-trip flight deals from Ontario to Bangkok

The cheapest plane tickets from Ontario to Bangkok found on KAYAK recently.
5:40 am - 1:15 pmONT-BKK
41h 35m2 stops
1:00 am - 10:22 pmBKK-ONT
35h 22m2 stops
$757Delta
Find Deal
Tue, Mar 11 - Tue, Mar 25
11:42 am - 11:20 pmONT-BKK
45h 38m2 stops
9:30 pm - 10:22 pmBKK-ONT
38h 52m2 stops
$764Delta
Find Deal
Sat, Mar 15 - Wed, Mar 26
5:00 am - 11:55 pmONT-BKK
28h 55m2 stops
9:35 am - 8:34 pmBKK-ONT
24h 59m2 stops
$845United Airlines
Find Deal
Mon, Apr 21 - Wed, May 14
5:05 am - 12:05 amONT-BKK
28h 00m2 stops
7:10 am - 8:10 pmBKK-ONT
27h 00m2 stops
$848United Airlines
Find Deal
Thu, Feb 13 - Tue, Mar 11
10:45 pm - 4:45 pmONT-BKK
27h 00m1 stop
10:55 am - 5:50 pmBKK-ONT
20h 55m1 stop
$849China Airlines
Find Deal
Mon, Feb 24 - Tue, Mar 11
12:10 am - 9:45 amONT-BKK
19h 35m1 stop
2:40 am - 6:00 pmBKK-ONT
29h 20m1 stop
$856China Airlines
Find Deal
Tue, Apr 1 - Mon, Apr 28
5:40 am - 9:30 pmONT-BKK
25h 50m2 stops
9:40 pm - 4:43 pmBKK-ONT
33h 03m2 stops
$912Korean Air
Find Deal
Thu, Mar 27 - Sun, Apr 6
5:40 am - 12:45 amONT-BKK
29h 05m2 stops
9:50 am - 10:22 pmBKK-ONT
50h 32m2 stops
$917Korean Air
Find Deal
Thu, Mar 13 - Tue, Apr 1
5:40 am - 9:45 pmONT-BKK
26h 05m2 stops
9:50 am - 4:36 pmBKK-ONT
44h 46m2 stops
Wed, Apr 2 - Tue, Apr 29
8:15 am - 9:10 pmONT-BKK
46h 55m2 stops
5:30 pm - 6:00 pmBKK-ONT
38h 30m1 stop
$1,015
Find Deal
Sun, Apr 6 - Tue, May 6
8:26 am - 5:05 pmONT-BKK
41h 39m3 stops
Mon, Feb 24
8:26 am - 9:25 pmONT-BKK
45h 59m2 stops
Mon, Feb 24
6:00 am - 12:45 amONT-BKK
27h 45m2 stops
$485Delta
Find Deal
Wed, Jan 29
10:45 pm - 1:05 pmONT-BKK
23h 20m1 stop
$491China Airlines
Find Deal
Mon, Feb 24
12:10 am - 9:45 amONT-BKK
19h 35m1 stop
$494China Airlines
Find Deal
Sun, Apr 27
4:05 pm - 9:30 pmONT-BKK
38h 25m2 stops
$498Delta
Find Deal
Sun, Feb 23
6:15 am - 5:10 amONT-BKK
31h 55m2 stops
$537United Airlines
Find Deal
Tue, Jan 28
5:05 am - 12:05 amONT-BKK
28h 00m2 stops
$540United Airlines
Find Deal
Thu, Feb 13
6:00 am - 9:30 pmONT-BKK
24h 30m2 stops
$543Korean Air
Find Deal
Mon, Feb 3
5:40 am - 9:30 pmONT-BKK
25h 50m2 stops
$567Korean Air
Find Deal
Mon, Mar 24
6:00 am - 9:30 pmONT-BKK
24h 30m2 stops
9:30 pm - 3:25 pmBKK-ONT
32h 55m2 stops
$990Korean Air
Find Deal
Mon, Jan 27 - Sat, Mar 1
6:00 am - 9:30 pmONT-BKK
24h 30m2 stops
9:40 am - 10:32 pmBKK-ONT
27h 52m2 stops
$1,061Korean Air
Find Deal
Mon, Jan 27 - Mon, Feb 10
10:45 pm - 9:50 amONT-BKK
20h 05m1 stop
2:05 pm - 4:50 pmBKK-ONT
17h 45m1 stop
$1,149China Airlines
Find Deal
Sat, Jan 25 - Mon, Jan 27
6:00 am - 9:30 pmONT-BKK
24h 30m2 stops
1:00 am - 10:32 pmBKK-ONT
36h 32m2 stops
$1,150Korean Air
Find Deal
Mon, Jan 27 - Fri, Feb 28
10:45 pm - 9:50 amONT-BKK
20h 05m1 stop
2:05 pm - 10:39 pmBKK-ONT
23h 34m2 stops
$1,328
Find Deal
Sat, Jan 25 - Mon, Jan 27
6:00 am - 6:35 amONT-BKK
33h 35m2 stops
10:50 pm - 8:13 pmBKK-ONT
36h 23m2 stops
$1,350
Find Deal
Sat, Jan 25 - Mon, Jan 27
10:45 pm - 4:45 pmONT-BKK
27h 00m1 stop
12:25 pm - 4:50 pmBKK-ONT
43h 25m2 stops
$1,415China Airlines
Find Deal
Mon, Jan 27 - Mon, Feb 3
6:00 am - 5:55 amONT-BKK
32h 55m2 stops
8:20 pm - 8:13 pmBKK-ONT
38h 53m2 stops
$1,831Qatar Airways
Find Deal
Sun, Jan 26 - Tue, Jan 28
11:33 am - 5:55 amONT-BKK
27h 22m2 stops
2:00 am - 6:12 pmBKK-ONT
31h 12m2 stops
$2,046Qatar Airways
Find Deal
Thu, Jan 23 - Wed, Jan 29
6:00 am - 5:05 amONT-BKK
32h 05m2 stops
8:05 am - 6:24 pmBKK-ONT
25h 19m3 stops
$6,614American Airlines
Find Deal
Sat, Jan 25 - Mon, Jan 27

Korean Air flights from Ontario to Bangkok

Our best Korean Air deals on Ontario to Bangkok flight tickets
Korean Air
Mar 27
ONT5:40 amOntario
25h 50m
2 stops
BKK9:30 pmBangkok Suvarnabhumi
Apr 6
BKK9:40 pmBangkok Suvarnabhumi
33h 03m
2 stops
ONT4:43 pmOntario
Korean Air
Mar 13
ONT5:40 amOntario
29h 05m
2 stops
BKK12:45 amBangkok Suvarnabhumi
Apr 1
BKK9:50 amBangkok Suvarnabhumi
50h 32m
2 stops
ONT10:22 pmOntario
Korean Air
Mar 24
ONT5:40 amOntario
25h 50m
2 stops
BKK9:30 pmBangkok Suvarnabhumi
Apr 7
BKK9:40 pmBangkok Suvarnabhumi
33h 03m
2 stops
ONT4:43 pmOntario

China Airlines flights from Ontario to Bangkok

Our best China Airlines deals on Ontario to Bangkok flight tickets
China Airlines
Feb 24
ONT10:45 pmOntario
27h 00m
1 stop
BKK4:45 pmBangkok Suvarnabhumi
Mar 11
BKK10:55 amBangkok Suvarnabhumi
20h 55m
1 stop
ONT5:50 pmOntario
China Airlines
Apr 1
ONT12:10 amOntario
19h 35m
1 stop
BKK9:45 amBangkok Suvarnabhumi
Apr 28
BKK2:40 amBangkok Suvarnabhumi
29h 20m
1 stop
ONT6:00 pmOntario
China Airlines
Feb 18
ONT10:45 pmOntario
35h 50m
1 stop
BKK1:35 amBangkok Suvarnabhumi
Mar 19
BKK10:55 amBangkok Suvarnabhumi
20h 55m
1 stop
ONT5:50 pmOntario

See travel insights to Bangkok from

How to get the cheapest flight ticket from Ontario to Bangkok

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

What is the typical price of a round-trip flight between Ontario and Bangkok?

What is the cheapest month to fly to Bangkok?

If you aren’t able to travel during the month of October, then book flights to Bangkok from Ontario during September instead. Flights to Bangkok in September, while not as cheap as those in October, still average around $882.

What is the cheapest day to depart on your flight to Bangkok?

On average, the least expensive day to fly to Bangkok from Ontario is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $887. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Ontario to Bangkok on a Saturday will generally be more expensive and average around $1,056. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Bangkok?

According to our data, the cheapest time of day to fly to Bangkok is in the morning. momondo users have found flights departing from Ontario to Bangkok in the morning for as low as $901. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $970. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Bangkok?

You are more likely to see cheaper flights to Bangkok from Ontario when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Bangkok for around $1,066 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok from Ontario for as low as $889 on momondo.

Cheap Ontario to Bangkok flight deals and tips

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

Best Price Found

$389

Fastest flight time

19h 00m

Direct flights

None

Airports in Bangkok

2 airports
The best one-way flight to Bangkok from Ontario in the past 72 hours is $389. The best round-trip flight deal from Ontario to Bangkok found on momondo in the last 72 hours is $757.
The fastest flight from Ontario to Bangkok takes 19h 00m
There are no direct flights from Ontario to Bangkok. Popular non-direct routes for this connection are Ontario Airport - Bangkok Don Mueang Intl Airport and Ontario Airport - Bangkok Suvarnabhumi Airport.
There are 2 airports near Bangkok: Bangkok Suvarnabhumi (BKK), Bangkok Don Mueang Intl (DMK)

  • How far is Ontario to Bangkok by plane?

    A flight from Ontario to Bangkok will travel around 8282.1 mi. In terms of flight time, this usually takes a little over 19h 35m.

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

    Prices for flights from Ontario Airport to Bangkok refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Bangkok.

  • What documentation or ID do you need to fly to Bangkok?

    The travel and health documents you'll need for your trip to Bangkok may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bangkok. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Best airlines flying from Ontario to Bangkok

Compare and see reviews for airlines that fly from Ontario to Bangkok with momondo
Airline
Rating
Free Cancellation
Price
Korean AirPriceFrom $785Free CancellationRating
8.4
1,039 reviews
Search Korean Air flights
United AirlinesPriceFrom $795Free CancellationRating
7.4
8,975 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $806Free CancellationRating
8.3
1,447 reviews
Search Japan Airlines flights
DeltaPriceFrom $807Free CancellationRating
8.0
8,512 reviews
Search Delta flights
China AirlinesPriceFrom $828Free CancellationRating
8.2
737 reviews
Search China Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Bangkok for you.

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

Yes. momondo enables you to select and highlight flights to Bangkok from Ontario with this policy.

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

Once all potential Ontario to Bangkok flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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


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Fly into one of these airports located in Bangkok

Airports listed have a maximum distance of 15.4 mi from Bangkok