Cheap flights from Ontario to Bangkok from $459

Round-trip
1 adult
Economy
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Tue 2/1
Tue 2/8

Deals available from 900+ travel sites.

Travel Restriction Alert

The COVID-19 (coronavirus) outbreak may impact travel from Ontario to Bangkok.
View current Thailand travel restrictions

Flight information for Ontario to Bangkok

Find info about flight duration, direct flights, and airports for your flight from Ontario to Bangkok
Best Price Found$459The best one-way flight to Bangkok from Ontario in the past 72 hours is $459. The best round-trip flight deal from Ontario to Bangkok found on momondo in the last 72 hours is $669.
Fastest flight time23h 35mThe fastest flight from Ontario to Bangkok takes 23h 35m
Direct flightsNoneThere 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.
Airports in Bangkok2 airportsThere are 2 airports near Bangkok: Bangkok Suvarnabhumi (BKK), Bangkok Don Mueang Intl (DMK)

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 from Ontario to Bangkok?

September

The cheapest time of year to fly to Bangkok from Ontario is September. Most expensive is December

What is the cheapest airline that flies to Bangkok from Ontario?

China Airlines

China Airlines and United Airlines are the most popular carriers operating from Ontario to Bangkok

What is the cheapest Ontario to Bangkok flight route?

Ontario - Bangkok Suvarnabhumi

Fly from Ontario to Bangkok Suvarnabhumi for the best Ontario - Bangkok flight prices

How far in advance should you book Ontario to Bangkok flights?

47 days before

The cheapest time to buy a flight from Ontario to Bangkok is approximately 47 days to departure


Easily compare round-trip flights from Ontario to Bangkok

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Ontario to Bangkok by changing tabs
American Airlines
Apr 6
ONT2:39 amOntario
32h 21m
2 stops
BKK11:00 amBangkok Suvarnabhumi
Apr 20
BKK5:55 pmBangkok Suvarnabhumi
35h 32m
2 stops
ONT5:27 amOntario
Multiple Airlines
Mar 1
ONT1:00 amOntario
26h 35m
2 stops
BKK3:35 amBangkok Suvarnabhumi
Mar 17
BKK4:25 amBangkok Suvarnabhumi
25h 35m
2 stops
ONT6:00 amOntario
Japan Airlines
Feb 23
ONT1:00 amOntario
26h 35m
2 stops
BKK3:35 amBangkok Suvarnabhumi
Feb 26
BKK3:05 amBangkok Suvarnabhumi
22h 19m
2 stops
ONT1:24 amOntario
United Airlines
Mar 1
ONT1:20 amOntario
26h 45m
2 stops
BKK4:05 amBangkok Suvarnabhumi
Apr 4
BKK3:00 amBangkok Suvarnabhumi
22h 07m
2 stops
ONT1:07 amOntario
American Airlines
Mar 18
ONT2:03 amOntario
27h 32m
2 stops
BKK5:35 amBangkok Suvarnabhumi
May 31
BKK5:55 pmBangkok Suvarnabhumi
39h 22m
2 stops
ONT9:17 amOntario
American Airlines
Mar 16
ONT2:03 amOntario
27h 32m
2 stops
BKK5:35 amBangkok Suvarnabhumi
Mar 25
BKK4:25 amBangkok Suvarnabhumi
29h 17m
2 stops
ONT9:42 amOntario

Find the cheapest one-way flights from Ontario to Bangkok

If you're looking for one-way flights from Ontario to Bangkok, view some of our deals below provided by American Airlines, Delta and Japan Airlines
Delta
Feb 1
ONT1:00 amOntario
26h 00m
2 stops
BKK3:00 amBangkok Suvarnabhumi
Japan Airlines
Feb 9
ONT1:00 amOntario
26h 35m
2 stops
BKK3:35 amBangkok Suvarnabhumi
American Airlines
May 1
ONT8:34 pmOntario
49h 06m
2 stops
BKK9:40 pmBangkok Suvarnabhumi

Search last-minute flights to Bangkok from Ontario

Find and compare round-trip flight prices for your last-minute flight from Ontario to Bangkok
American Airlines
Feb 3
ONT1:27 amOntario
50h 08m
2 stops
BKK3:35 amBangkok Suvarnabhumi
Apr 3
BKK4:05 amBangkok Suvarnabhumi
29h 37m
2 stops
ONT9:42 amOntario
United Airlines
Feb 2
ONT1:00 amOntario
27h 05m
2 stops
BKK4:05 amBangkok Suvarnabhumi
Mar 23
BKK3:10 amBangkok Suvarnabhumi
22h 00m
2 stops
ONT1:10 amOntario
Multiple Airlines
Feb 1
ONT11:00 amOntario
33h 15m
2 stops
BKK8:15 pmBangkok Suvarnabhumi
Mar 1
BKK2:10 amBangkok Suvarnabhumi
23h 00m
2 stops
ONT1:10 amOntario
Japan Airlines
Feb 4
ONT1:00 amOntario
26h 35m
2 stops
BKK3:35 amBangkok Suvarnabhumi
Mar 1
BKK3:25 amBangkok Suvarnabhumi
21h 59m
2 stops
ONT1:24 amOntario
Qatar Airways
Feb 3
ONT3:20 amOntario
31h 10m
2 stops
BKK10:30 amBangkok Suvarnabhumi
Apr 2
BKK11:05 pmBangkok Suvarnabhumi
33h 02m
2 stops
ONT8:07 amOntario
Multiple Airlines
Feb 1
ONT11:00 amOntario
33h 15m
2 stops
BKK8:15 pmBangkok Suvarnabhumi
Mar 1
BKK2:10 amBangkok Suvarnabhumi
23h 00m
2 stops
ONT1:10 amOntario

Best airlines flying from Ontario to Bangkok

Compare and see reviews for airlines that fly from Ontario to Bangkok with momondo
AirlineRatingFree CancellationPrice
United Airlines
PriceFrom $572
Free Cancellation
Rating
7.3
7.5

Boarding

7.1

Comfort

7.8

Crew

7.0

Entertainment

6.7

Food

Reviews

Fresh food

1 / 10
China Airlines
PriceFrom $620
Free Cancellation
Rating
7.5
7.6

Boarding

7.4

Comfort

8.3

Crew

7.6

Entertainment

6.8

Food

Reviews

Pros: Seat is comfortable.

Cons: Very nice airplane. Ride is comfortable. Processing in immigration is very fast. In 30min you are in the parking lot already.

1 / 10

American Airlines flights from Ontario to Bangkok

Our best American Airlines deals on Ontario to Bangkok flight tickets
American Airlines
Apr 6
ONT2:39 amOntario
32h 21m
2 stops
BKK11:00 amBangkok Suvarnabhumi
Apr 20
BKK5:55 pmBangkok Suvarnabhumi
35h 32m
2 stops
ONT5:27 amOntario
American Airlines
Mar 18
ONT2:03 amOntario
27h 32m
2 stops
BKK5:35 amBangkok Suvarnabhumi
May 31
BKK5:55 pmBangkok Suvarnabhumi
39h 22m
2 stops
ONT9:17 amOntario
American Airlines
Mar 16
ONT2:03 amOntario
27h 32m
2 stops
BKK5:35 amBangkok Suvarnabhumi
Mar 25
BKK4:25 amBangkok Suvarnabhumi
29h 17m
2 stops
ONT9:42 amOntario

United Airlines flights from Ontario to Bangkok

Our best United Airlines deals on Ontario to Bangkok flight tickets
United Airlines
Mar 1
ONT1:20 amOntario
26h 45m
2 stops
BKK4:05 amBangkok Suvarnabhumi
Apr 4
BKK3:00 amBangkok Suvarnabhumi
22h 07m
2 stops
ONT1:07 amOntario
United Airlines
Apr 7
ONT2:00 amOntario
27h 20m
2 stops
BKK5:20 amBangkok Suvarnabhumi
Apr 23
BKK3:00 amBangkok Suvarnabhumi
22h 07m
2 stops
ONT1:07 amOntario
United Airlines
Feb 2
ONT1:00 amOntario
27h 05m
2 stops
BKK4:05 amBangkok Suvarnabhumi
Mar 23
BKK3:10 amBangkok Suvarnabhumi
22h 00m
2 stops
ONT1:10 amOntario

  • Are airlines flying from Ontario to Bangkok offering flexible cancellation due to COVID-19?

    Due to the global impact of COVID-19, some of our airline partners operating flights from Ontario to Bangkok, such as China Airlines, United Airlines, and Thai Airways may have put in place flexible cancellation policies. Use our site to search for all of the airlines offering this flexibility to you.

  • 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 26h 35m.


Can I fly to Bangkok from Ontario right now?

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 must present a negative RT-PCR (NAAT) test taken 72 hours before departing to 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.

MorChana App - Alert application and contact tracing app to be used while in Thailand. Download via Apple Store or Google Play Store.


Can I 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 24 hours before departing to Ontario.

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

If you are planning to travel to Bangkok at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.

Alternative routes for Ontario to Bangkok

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Los Angeles to Bangkok Flights
Fastest flight time20h 35m
Cheapest price$573
San Francisco to Bangkok Flights
Fastest flight time20h 10m
Cheapest price$683
Oakland, California to Bangkok Flights
Fastest flight time24h 50m
Cheapest price$733
San Jose to Bangkok Flights
Fastest flight time22h 40m
Cheapest price$770
San Diego to Bangkok Flights
Fastest flight time20h 40m
Cheapest price$720
Los Angeles to Chiang Mai Flights
Fastest flight time26h 10m
Cheapest price$822
Reno to Bangkok Flights
Fastest flight time25h 25m
Cheapest price$866
Sacramento to Bangkok Flights
Fastest flight time23h 00m
Cheapest price$761
San Francisco to Chiang Mai Flights
Fastest flight time25h 40m
Cheapest price$824
Los Angeles to Krabi Flights
Fastest flight time31h 55m
Cheapest price$1,005

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