Cheap flights from Bangkok to Ontario

BKK — ONT
21 May — 28 May1
Return
1 adult
Economy
From?
To?
Sat 21/5
Sat 28/5

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

To save on the cost of your flight from Bangkok to Ontario, book at least 61 days before your planned departure. Booking around this time can save you about 12% on the cost of this flight compared to booking a flight leaving this week. We have found prices from ฿26,021 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as ฿27,165.

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

Flights from Bangkok to Ontario lean towards being more expensive in January. Prices are generally better when you fly from Bangkok to Ontario in October, with the cheapest ticket starting at ฿16,146.

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

When flying from Bangkok to Ontario, 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 Bangkok to Ontario in May, June 2022

The best prices found for Bangkok to ONT flights in May, June
17 May - 13 Sep
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

21h 38m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

27h 20m
฿38,738

ยูไนเต็ด

View Deal

Deal found 15 May 2022

22 May - 23 Aug
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

39h 35m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

42h 31m
฿38,876

Multiple Airlines

View Deal

Deal found 15 May 2022

17 May - 11 Sep
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

31h 35m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

46h 29m
฿39,153

ยูไนเต็ด

View Deal

Deal found 15 May 2022

Bangkok to Ontario 2022 flight deals

Cheap flights to Ontario from Bangkok found for this year
5 Dec - 1 Jan
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

30h 34m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

48h 56m
฿28,031

อเมริกันแอร์ไลน์

View Deal

Deal found 15 May 2022

5 Oct - 15 Nov
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

33h 33m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

48h 56m
฿29,590

Multiple Airlines

View Deal

Deal found 14 May 2022

6 Sep - 18 Sep
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

47h 39m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

42h 12m
฿29,798

อเมริกันแอร์ไลน์

View Deal

Deal found 15 May 2022

Cheap อเมริกันแอร์ไลน์ flights from Bangkok to Ontario

6 Sep - 18 Sep
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

47h 39m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

42h 12m
฿29,798

อเมริกันแอร์ไลน์

View Deal

Deal found 15 May 2022

8 Jun - 6 Sep
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

28h 04m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

26h 50m
฿40,505

อเมริกันแอร์ไลน์

View Deal

Deal found 15 May 2022

1 Jun - 28 Aug
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

37h 05m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

49h 25m
฿43,519

อเมริกันแอร์ไลน์

View Deal

Deal found 15 May 2022

Cheap เจแปนแอร์ไลน์ flights from Bangkok to Ontario

7 Sep - 9 Oct
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

25h 29m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

26h 00m
฿32,431

เจแปนแอร์ไลน์

View Deal

Deal found 15 May 2022

21 May - 5 Jun
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

22h 54m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

27h 05m
฿191,955

เจแปนแอร์ไลน์

View Deal

Deal found 15 May 2022

Last-minute flights from Bangkok to Ontario

Late deals on return flights to Ontario from Bangkok, departing today and this week
22 May - 23 Aug
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

39h 35m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

42h 31m
฿38,876

Multiple Airlines

View Deal

Deal found 15 May 2022

22 May - 22 Aug
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

35h 32m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

34h 23m
฿44,524

Multiple Airlines

View Deal

Deal found 15 May 2022

22 May - 23 May
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

26h 52m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

36h 53m
฿58,176

ยูไนเต็ด

View Deal

Deal found 15 May 2022

One-way flights to Ontario from Bangkok

The cheapest one-way flights from Bangkok to Ontario
22 Sep
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

28h 04m
฿20,824

อเมริกันแอร์ไลน์

View Deal

Deal found 15 May 2022

1 Nov
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

21h 48m
฿20,963

เจแปนแอร์ไลน์

View Deal

Deal found 13 May 2022

5 Nov
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

25h 29m
฿20,997

เจแปนแอร์ไลน์

View Deal

Deal found 15 May 2022

Related info for your journey

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

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

If you book a flight to Ontario from Bangkok, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 4.9 km from the centre of Ontario. There are 0 flights from Bangkok to Ontario per day from 2 different airlines.

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

Due to the rapidly changing circumstances due to COVID-19, airlines like ไชน่าแอร์ไลน์ and ยูไนเต็ด flying from Bangkok to Ontario have implemented new flexible cancellation policies.

Can I find flights from Bangkok to Ontario for under ฿29,600 on Cheapflights?

Yes, there are multiple flights from Bangkok to Ontario for under ฿29,600. The cheapest flight booked recently is on Multiple Airlines for just ฿29,590, but on average you can expect to pay ฿35,966.

Are there last-minute flights available from Bangkok to Ontario for under ฿38,900?

There are currently 18+ open flights from Bangkok to Ontario within the next 7 days for less than ฿38,900.

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

Cheapflights users have booked flights from Bangkok to Ontario round-trip from ฿29,798. Other airlines that can offer you cheap pricing are เจแปนแอร์ไลน์, from ฿32,431, and ยูไนเต็ด, from ฿32,709. You may be able to fly from Bangkok to Ontario for 2% less than the average price by searching for these airlines.

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

฿20,824 is the cheapest one-way deal found within the past few days, from อเมริกันแอร์ไลน์. You may also be able to find cheap deals on เจแปนแอร์ไลน์ and ยูไนเต็ด, with prices starting from ฿20,963 and ฿24,116, respectively.

Other flights from Bangkok

Alternative routes for Bangkok to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Chiang Mai to Los Angelesfrom ฿32,646 pp
Chiang Mai to San Diegofrom ฿34,851 pp
Krabi to Los Angelesfrom ฿35,426 pp

Top airline flying from Bangkok to Ontario

The chart below displays the airlines Cheapflights users travelling from Bangkok to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
ไชน่าแอร์ไลน์Cheapest฿24,514Average฿33,189FlexibilityNo cancel feeOn-time70%COVID-19 safety
Search ไชน่าแอร์ไลน์ flights