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

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

All the information you need to plan the best ONT to BKK flight in 2022: compare Ontario to Bangkok flight prices with the expected peak season, weather and rainfall in Bangkok.
ONT - BKK
Price
$652 - $1,001
BKK
Temperature
78.8 - 86 °F
BKK
Rainfall
0.4 - 12.6 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

$747

Average for round-trip flights in May 2022

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.
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 23% 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 $650, or $662 for flights within the next 24 hours.

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

Our data shows that April tends to be the cheapest month to fly to Bangkok from Ontario. Users have commonly found prices around $610 for the month, but tickets can be as low as $406. Due to multiple factors, prepare for potentially higher prices in December.

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

When flying from Ontario to Bangkok, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from Ontario to Bangkok in May, June 2022

The best prices found for ONT to BKK flights for May, June
10 Jun - 15 Sep
$1,500pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
   
2 STOPS
ONT
Ontario
10 Jun - 17 Sep
$1,597pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
   
2 STOPS
ONT
Ontario
17 May - 2 Jun
$1,732pp
ONT
Ontario
Japan Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Japan Airlines
   
2 STOPS
ONT
Ontario

Ontario to Bangkok 2022 flight deals

Cheap flights to Bangkok from Ontario found for this year
23 Oct - 20 Nov
$921pp
ONT
Ontario
Japan Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Japan Airlines
   
2 STOPS
ONT
Ontario
23 Nov - 14 Dec
$926pp
ONT
Ontario
Japan Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Japan Airlines
   
2 STOPS
ONT
Ontario
2 Dec - 10 Dec
$929pp
ONT
Ontario
Japan Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Japan Airlines
   
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
24 May - 21 Jun
$2,250pp
ONT
Ontario
Qatar Airways
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Qatar Airways
   
2 STOPS
ONT
Ontario
23 May - 27 May
$2,305pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
   
2 STOPS
ONT
Ontario
24 May - 9 Jun
$2,313pp
ONT
Ontario
Qatar Airways
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Qatar Airways
   
2 STOPS
ONT
Ontario

One-way flights to Bangkok from Ontario

The cheapest one-way flights from Ontario to Bangkok
8:01 am - 6:30 pm
Delta
2 Stops
44h 29m
ONT - BKK
Delta
$685
Delta
6:54 am - 1:00 am
American Airlines
2 Stops
52h 06m
ONT - BKK
American Airlines
2:00 am - 7:20 pm
Multiple Airlines
2 Stops
27h 20m
ONT - BKK
Multiple Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ontario</span> to <span class="emphasized">Bangkok</span> flights.

Flight FAQs

From Ontario to Bangkok

What airport do you fly from for flights from Ontario to Bangkok?

Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Bangkok from Ontario. Booking flights from Ontario (ONT) to Bangkok should be relatively easy as there are 0 daily outbound flights to Bangkok from 9 different airlines.

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 American Airlines, Japan Airlines, and Delta. 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 $1,000 on Cheapflights?

Yes, there are multiple flights from Ontario to Bangkok for under $1,000. The cheapest flight booked recently is on Japan Airlines for just $921, but on average you can expect to pay $1,022.

Are there last-minute flights available from Ontario to Bangkok for under $2,300?

There are currently 20+ open flights from Ontario to Bangkok within the next 7 days for less than $2,300.

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

Our cheapest airline available from Ontario to Bangkok is Japan Airlines. Our recent data shows that you can find tickets from as low as $921 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $955 and $1,124 round-trip.

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

The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $514. However, be on the lookout for offers from Japan Airlines and American Airlines, as they are both options that can get you from Ontario to Bangkok for a low price.

What are the most popular airlines that fly from Ontario to Bangkok?

When booking a flight from Ontario to Bangkok, you may want to consider flying on American Airlines, Air China or China Airlines as they are the most popular for this route.

What are the cheapest flights from Ontario to Bangkok?

While on average a flight from Ontario to Bangkok is generally $1,375, our data shows the cheapest flight currently is $962. When looking at the most popular route, (Ontario - Bangkok Suvarnabhumi), you can expect to pay $921 for that flight.

COVID Restrictions

View COVID Travel Restrictions for Bangkok, Thailand

Do I need a COVID test to fly to Bangkok from Ontario?

Information is based on travel restrictions from Ontario to Bangkok

Most visitors from Ontario need to provide a negative COVID-19 test result and/or quarantine to enter Bangkok.

COVID-19 testing requirements
Visitors from Ontario are not required to present a negative COVID-19 PCR test or antigen result upon entering Bangkok.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Bangkok.

Documents
Thailand Pass - The Thailand Pass is a web-based system for Thai and foreign travelers to fill in their travel and health information and upload the related documents before travelling. This system is operational and will replace the COE system on 1 November, 2021. However, the COE will continue to be used for certain groups of travelers.


Do I need a test to fly back to Ontario from Bangkok?

Returning to Ontario from Bangkok

COVID-19 testing requirements
Visitors from Bangkok must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Ontario.

Quarantine requirements
Visitors from Bangkok are not required to quarantine after entering Ontario.

Hide COVID Travel Restrictions for Bangkok, Thailand

Alternative routes for Ontario to Bangkok

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Bangkok

Things to know before you go - useful duration and weather info for your trip from Ontario to Bangkok.
Today's exchange rate
$1 = ฿34.74
Average temperature for May in Bangkok
95.0 °F
Avg rainfall for May in Bangkok
8.6 ″

Airports servicing Ontario

Airports servicing Bangkok

Bangkok Suvarnabhumi (BKK)
Bangkok Don Mueang Intl (DMK)

Top 4 airlines flying from Ontario to Bangkok

The chart below displays the airlines Cheapflights users traveling from Ontario to Bangkok choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Japan Airlines
$638 $830 No cancel fee 79%

We couldn't confirm the COVID-19 safety measures taken by Japan Airlines. Please check directly on their website for additional information.

American Airlines
$789 $891 No cancel fee 71%
China Airlines
$1,045 $1,669 No cancel fee 70%
Delta
$1,199 $1,419 No cancel fee N/A
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