Menu

Cheap flights from Ontario (ONT) to Bangkok (BKK)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Ontario to Bangkok are usually found in September or November, booked 50 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

How to find the cheapest flight from
Ontario (ONT) to Bangkok (BKK)

ONT - TH1
Price
$652 - $1,001
TH1
Temperature
89.6 - 96.8 °F
TH1
Rainfall
0.4 - 12.1 inches

Popular in

December

High demand for flights, 26% potential price rise

Cheapest in

September

Best time to find cheap flights, 12% potential price drop

Round-trip from

$652

From Ontario to Bangkok

One-way from

$594

One-way flight from Ontario to Bangkok

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Ontario to Bangkok?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

Travelers have found it’s best to book a flight 61 days in advance to save up to 22% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Ontario to Bangkok 1-2 weeks in advance for as low as $706, or $720 for flights within the next 24 hours.

What is the cheapest month to fly from Ontario to Bangkok?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, November can be a great choice for travel to Bangkok. Flights to Bangkok from Ontario in November are about $672 on average during November, but can be found for as low as $454.

When is the cheapest time to fly from Ontario to Bangkok (ONT - TH1)?

One of the essential ways to save on airfare from Ontario to Bangkok is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 47% on airfare.

Cheap flights from Ontario to Bangkok in November, December 2020

The best prices found for ONT to BKK flights for November, December
30 Nov - 9 Dec
$1,672pp
ONT
Ontario
Multiple Airlines
     
3 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
     
3 STOPS
ONT
Ontario
30 Nov - 8 Dec
$1,735pp
ONT
Ontario
Qatar Airways
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Qatar Airways
   
2 STOPS
ONT
Ontario
10 Dec - 29 Jan
$1,764pp
ONT
Ontario
Qatar Airways
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Qatar Airways
   
2 STOPS
ONT
Ontario

Ontario to Bangkok 2021 flight deals

Cheap flights to Bangkok from Ontario found for next year
30 Nov - 9 Dec
$1,672pp
ONT
Ontario
Multiple Airlines
     
3 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
     
3 STOPS
ONT
Ontario
30 Nov - 8 Dec
$1,735pp
ONT
Ontario
Qatar Airways
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Qatar Airways
   
2 STOPS
ONT
Ontario
10 Dec - 29 Jan
$1,764pp
ONT
Ontario
Qatar Airways
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Qatar Airways
   
2 STOPS
ONT
Ontario

Last minute flights from Ontario to Bangkok

Late deals on round-trip flights to Bangkok from Ontario, departing today and this week
10 Dec - 29 Jan
$1,764pp
ONT
Ontario
Qatar Airways
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Qatar Airways
   
2 STOPS
ONT
Ontario
10 Dec - 28 Jan
$1,874pp
ONT
Ontario
Multiple Airlines
     
3 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
     
3 STOPS
ONT
Ontario
10 Dec - 29 Jan
$1,880pp
ONT
Ontario
Multiple Airlines
     
3 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
     
3 STOPS
ONT
Ontario

One-way flights to Bangkok from Ontario

The cheapest one-way flights from Ontario to Bangkok
8:21 am - 12:00 am
United Airlines
2 Stops
48h 39m
ONT - BKK
United Airlines
$594
United
5:48 am - 7:40 am
Multiple Airlines
2 Stops
34h 52m
ONT - BKK
Multiple Airlines
$1,330
qatarairways.com
5:50 am - 7:40 am
Qatar Airways
2 Stops
34h 50m
ONT - BKK
Qatar Airways
$1,559
KAYAK

Related info for your journey

Useful info, stats and facts about Ontario to Bangkok flights.

Flight FAQs

From Ontario to Bangkok

Are flight prices decreasing from Ontario to Bangkok due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Ontario and Bangkok for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Ontario to Bangkok have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Ontario to Bangkok that may be offering flexible cancellation policies are United Airlines and China Eastern. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Ontario to Bangkok for under $600 on Cheapflights?

Yes, there are multiple flights from Ontario to Bangkok for under $600. The cheapest flight booked recently is on Japan Airlines for just $505, but on average you can expect to pay $567.

Are there nonstop flights from Ontario to Bangkok for under $500 on Cheapflights?

There are no nonstop flights from Ontario to Bangkok, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Ontario to Bangkok for under $1,800?

There are currently 5+ open flights from Ontario to Bangkok within the next 7 days for less than $1,800.

Is Ontario weather warmer or cooler than Bangkok?

Expect the weather to be around 97 °F on average in April. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Bangkok is generally hotter than in Ontario.

How long is the flight from Ontario to Bangkok?

A quick flight from Ontario to Bangkok can take about 24h. Japan Airlines provides one of the quickest options available for as low as $576. This flight may include one or multiple stops.

What are the cheapest airlines flying from Ontario to Bangkok round-trip?

Currently priced at $505, Japan Airlines will fly you from Ontario to Bangkok and back. In addition to Japan Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $555. Japan Airlines is 32% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Ontario to Bangkok one-way?

To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $594. United Airlines is not the only option available. At the moment, Qatar Airways is another option, for $880.

Alternative routes for Ontario to Bangkok

Destination information for Bangkok

Things to know before you go. Useful info for your trip from Ontario to Bangkok
Today's exchange rate
$1 = ฿30.23
Average temperature for November in Bangkok
91.4 °F
Avg rainfall for November in Bangkok
1.9 ″

Airports servicing Ontario

Airports servicing Bangkok

Don Mueang International (DMK)
Home Asia Thailand Bangkok Cheap flights from Ontario to Bangkok