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Cheap flights from Ontario to Bangkok from $449

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 3/10. 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 to Bangkok

The cheapest plane tickets to Bangkok found on KAYAK recently.
6:00 am - 12:45 amONT-BKK
27h 45m2 stops
1:00 am - 10:22 pmBKK-ONT
35h 22m2 stops
$757Delta
Find Deal
Sun, Feb 23 - Mon, Mar 10
4:05 pm - 12:45 amONT-BKK
41h 40m2 stops
1:00 am - 10:22 pmBKK-ONT
35h 22m2 stops
$763Delta
Find Deal
Sat, Mar 1 - Tue, Mar 11
6:00 am - 11:55 pmONT-BKK
27h 55m2 stops
9:35 am - 8:24 pmBKK-ONT
24h 49m2 stops
$845United Airlines
Find Deal
Mon, Apr 21 - Wed, May 14
6:00 am - 11:55 pmONT-BKK
27h 55m2 stops
7:00 am - 3:46 pmBKK-ONT
22h 46m2 stops
$848United Airlines
Find Deal
Wed, Apr 23 - Thu, May 22
6:00 am - 11:55 pmONT-BKK
27h 55m2 stops
7:00 am - 2:25 pmBKK-ONT
21h 25m2 stops
Mon, Apr 21 - Thu, May 15
10:45 pm - 4:45 pmONT-BKK
27h 00m1 stop
2:35 am - 5:50 pmBKK-ONT
29h 15m1 stop
$858China Airlines
Find Deal
Thu, Feb 20 - Tue, Mar 18
12:10 am - 9:45 amONT-BKK
19h 35m1 stop
2:40 am - 6:00 pmBKK-ONT
29h 20m1 stop
$871China Airlines
Find Deal
Tue, May 6 - Wed, Jun 11
6:00 am - 9:30 pmONT-BKK
24h 30m2 stops
9:40 pm - 5:14 pmBKK-ONT
33h 34m2 stops
$884Korean Air
Find Deal
Thu, Jan 30 - Wed, Apr 30
5:40 am - 12:45 amONT-BKK
29h 05m2 stops
11:15 pm - 4:42 pmBKK-ONT
31h 27m2 stops
$909Korean Air
Find Deal
Thu, Mar 13 - Mon, Mar 24
6:00 am - 9:30 pmONT-BKK
24h 30m2 stops
1:00 am - 4:42 pmBKK-ONT
29h 42m2 stops
Thu, Feb 27 - Sun, Mar 9
8:26 am - 1:55 amONT-BKK
27h 29m2 stops
Mon, Mar 10
7:55 am - 8:05 pmONT-BKK
46h 10m2 stops
Thu, Apr 10
6:00 am - 12:45 amONT-BKK
27h 45m2 stops
$485Delta
Find Deal
Mon, Jan 20
10:45 pm - 1:35 amONT-BKK
35h 50m1 stop
$490China Airlines
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Tue, Feb 18
11:42 am - 9:30 pmONT-BKK
43h 48m2 stops
$496Delta
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Sun, Mar 23
12:10 am - 4:20 pmONT-BKK
26h 10m1 stop
$518China Airlines
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Mon, Mar 31
6:00 am - 9:30 pmONT-BKK
24h 30m2 stops
$539Korean Air
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Mon, Jan 27
6:15 am - 12:05 amONT-BKK
26h 50m2 stops
$540United Airlines
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Wed, Jan 15
6:00 am - 12:45 amONT-BKK
27h 45m2 stops
$550Korean Air
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Tue, Feb 4
6:38 pm - 12:05 amONT-BKK
38h 27m2 stops
$552United Airlines
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Sun, Feb 9
4:11 pm - 5:10 amONT-BKK
45h 59m2 stops
3:15 pm - 10:39 pmBKK-ONT
46h 24m2 stops
$1,235
Find Deal
Sun, Jan 12 - Sun, Jan 19
10:45 pm - 1:05 pmONT-BKK
23h 20m1 stop
2:05 pm - 4:50 pmBKK-ONT
17h 45m1 stop
$1,267China Airlines
Find Deal
Sun, Jan 12 - Wed, Feb 12
10:45 pm - 9:50 amONT-BKK
20h 05m1 stop
2:05 pm - 4:50 pmBKK-ONT
17h 45m1 stop
$1,268China Airlines
Find Deal
Sat, Jan 11 - Fri, Feb 14
10:45 pm - 1:05 pmONT-BKK
23h 20m1 stop
1:20 pm - 6:40 pmBKK-ONT
19h 20m1 stop
$1,320China Airlines
Find Deal
Sun, Jan 12 - Tue, Jul 1
6:00 am - 11:20 pmONT-BKK
26h 20m2 stops
9:40 am - 10:32 pmBKK-ONT
27h 52m2 stops
$1,597Korean Air
Find Deal
Sun, Jan 12 - Wed, Feb 12
6:00 am - 9:30 pmONT-BKK
24h 30m2 stops
9:30 pm - 10:32 pmBKK-ONT
40h 02m2 stops
$1,664Korean Air
Find Deal
Fri, Jan 10 - Thu, Jan 16
11:33 am - 5:55 amONT-BKK
27h 22m2 stops
3:00 am - 6:13 pmBKK-ONT
30h 13m2 stops
$3,287Qatar Airways
Find Deal
Mon, Jan 13 - Sun, Jan 19
11:33 am - 5:55 amONT-BKK
27h 22m2 stops
6:55 pm - 10:39 pmBKK-ONT
42h 44m2 stops
$3,840Qatar Airways
Find Deal
Fri, Jan 10 - Sun, Jan 12
4:25 pm - 4:10 pmONT-BKK
32h 45m2 stops
10:55 pm - 6:37 pmBKK-ONT
34h 42m2 stops
$4,827British Airways
Find Deal
Fri, Jan 10 - Sun, Jan 19
4:25 pm - 4:10 pmONT-BKK
32h 45m2 stops
10:55 pm - 6:37 pmBKK-ONT
34h 42m2 stops
$11,037British Airways
Find Deal
Thu, Jan 9 - Sun, Jan 19

United Airlines flights from Ontario to Bangkok

Our best United Airlines deals on Ontario to Bangkok flight tickets
United Airlines
Apr 21
ONT6:00 amOntario
27h 55m
2 stops
BKK11:55 pmBangkok Suvarnabhumi
May 14
BKK9:35 amBangkok Suvarnabhumi
24h 49m
2 stops
ONT8:24 pmOntario
United Airlines
Apr 23
ONT6:00 amOntario
27h 55m
2 stops
BKK11:55 pmBangkok Suvarnabhumi
May 22
BKK7:00 amBangkok Suvarnabhumi
22h 46m
2 stops
ONT3:46 pmOntario
United Airlines
Mar 9
ONT6:00 amOntario
28h 05m
2 stops
BKK12:05 amBangkok Suvarnabhumi
May 29
BKK9:35 amBangkok Suvarnabhumi
26h 30m
2 stops
ONT10:05 pmOntario

China Airlines flights from Ontario to Bangkok

Our best China Airlines deals on Ontario to Bangkok flight tickets
China Airlines
Feb 20
ONT10:45 pmOntario
27h 00m
1 stop
BKK4:45 pmBangkok Suvarnabhumi
Mar 18
BKK2:35 amBangkok Suvarnabhumi
29h 15m
1 stop
ONT5:50 pmOntario
China Airlines
May 6
ONT12:10 amOntario
19h 35m
1 stop
BKK9:45 amBangkok Suvarnabhumi
Jun 11
BKK2:40 amBangkok Suvarnabhumi
29h 20m
1 stop
ONT6:00 pmOntario
China Airlines
Mar 2
ONT10:45 pmOntario
27h 00m
1 stop
BKK4:45 pmBangkok Suvarnabhumi
Mar 13
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 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?

We recommend purchasing flights from Ontario to Bangkok 16 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Bangkok for $1,065. Keep in mind that you might also find cheap flights to Bangkok outside of this time window. In fact, momondo users recently found flights from Ontario to Bangkok for $813.

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

$449

Fastest flight time

19h 35m

Direct flights

None

Airports in Bangkok

2 airports
The best one-way flight to Bangkok from Ontario in the past 72 hours is $449. 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 35m
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
Asiana AirlinesPriceFrom $683Free CancellationRating
8.2
460 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $785Free CancellationRating
8.4
1,028 reviews
Search Korean Air flights
United AirlinesPriceFrom $795Free CancellationRating
7.4
8,939 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $806Free CancellationRating
8.3
1,441 reviews
Search Japan Airlines flights
DeltaPriceFrom $807Free CancellationRating
8.0
8,499 reviews
Search Delta flights
China AirlinesPriceFrom $828Free CancellationRating
8.2
733 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