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

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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

Average price

$695

Average for round-trip flights in February 2021

Round-trip from

$652

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 9% 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 $800, or $828 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 June. For low rates, April can be a great choice for travel to Bangkok. Flights to Bangkok from Ontario in April are about $828 on average during April, but can be found for as low as $570.

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 February, March 2021

2 Mar - 29 Apr
$682pp
ONT
Ontario
American Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
American Airlines
   
2 STOPS
ONT
Ontario
3 Mar - 1 May
$688pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
   
2 STOPS
ONT
Ontario
2 Mar - 30 Apr
$692pp
ONT
Ontario
American Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
American Airlines
   
2 STOPS
ONT
Ontario

Ontario to Bangkok 2021 flight deals

8 Nov - 2 Dec
$670pp
ONT
Ontario
American Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
American Airlines
   
2 STOPS
ONT
Ontario
19 Jun - 26 Jun
$673pp
ONT
Ontario
American Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
American Airlines
   
2 STOPS
ONT
Ontario
1 Sep - 30 Nov
$676pp
ONT
Ontario
American Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
American Airlines
   
2 STOPS
ONT
Ontario

Last minute flights from Ontario to Bangkok

2 Mar - 29 Apr
$682pp
ONT
Ontario
American Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
American Airlines
   
2 STOPS
ONT
Ontario
3 Mar - 29 Apr
$688pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
   
2 STOPS
ONT
Ontario
2 Mar - 30 Apr
$692pp
ONT
Ontario
American Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
American Airlines
   
2 STOPS
ONT
Ontario

Related info for your journey

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 China Airlines, United Airlines, and Air China. 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 $700 on Cheapflights?

Yes, there are multiple flights from Ontario to Bangkok for under $700. The cheapest flight booked recently is on American Airlines for just $670, but on average you can expect to pay $763.

Are there nonstop flights from Ontario to Bangkok for under $700 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 $700?

There are currently 20+ open flights from Ontario to Bangkok within the next 7 days for less than $700.

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 19h 05m. China Airlines provides one of the quickest options available for as low as $1,064. This flight may include one or multiple stops.

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

Currently priced at $670, American Airlines will fly you from Ontario to Bangkok and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and China Airlines - these airlines can fly you to your destination from $869 and $1,064, respectively. American Airlines is 9% cheaper than the average price of flights available within the next 90 days to this destination.

Alternative routes for Ontario to Bangkok

Destination information for Bangkok

Today's exchange rate
$1 = ฿30.01
Average temperature for February in Bangkok
91.4 °F
Avg rainfall for February in Bangkok
1.1 ″

Airports servicing Ontario

Airports servicing Bangkok

Don Mueang International (DMK)
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