Cheap flights from Bangkok to Ontario

BKK — ONT
30 Sep — 7 Oct1
Return
1 adult
Economy
From?
To?
Fri 30/9
Fri 7/10

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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 43 days before your planned departure. Booking around this time can save you about 20% on the cost of this flight compared to booking a flight leaving this week. We have found prices from ฿36,590 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as ฿40,827.

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

Flights from Bangkok to Ontario lean towards being more expensive in July. Prices are generally better when you fly from Bangkok to Ontario in October, with the cheapest ticket starting at ฿26,955.

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 September, October 2022

The best prices found for Bangkok to ONT flights in September, October
17 Oct - 10 Nov
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

25h 35m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

26h 25m
฿33,666

เจแปนแอร์ไลน์

Pick Dates

Deal found 24/9/22

17 Oct - 16 Nov
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

25h 35m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

26h 25m
฿33,704

เจแปนแอร์ไลน์

Pick Dates

Deal found 24/9/22

17 Oct - 10 Nov
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

25h 35m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

26h 25m
฿33,929

เจแปนแอร์ไลน์

Pick Dates

Deal found 23/9/22

Bangkok to Ontario 2022 flight deals

Cheap flights to Ontario from Bangkok found for this year
17 Oct - 10 Nov
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

25h 35m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

26h 25m
฿33,666

เจแปนแอร์ไลน์

Pick Dates

Deal found 24/9/22

17 Oct - 16 Nov
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

25h 35m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

26h 25m
฿33,704

เจแปนแอร์ไลน์

Pick Dates

Deal found 24/9/22

17 Oct - 10 Nov
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

25h 35m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

26h 25m
฿33,929

เจแปนแอร์ไลน์

Pick Dates

Deal found 23/9/22

Cheap ยูไนเต็ด flights from Bangkok to Ontario

26 Jan - 6 Feb
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

25h 52m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

30h 05m
฿33,629

ยูไนเต็ด

Pick Dates

Deal found 25/9/22

10 Nov - 18 Mar
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

63h 22m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

44h 34m
฿35,616

ยูไนเต็ด

Pick Dates

Deal found 25/9/22

5 Dec - 9 Jan
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

44h 20m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

25h 00m
฿35,803

ยูไนเต็ด

Pick Dates

Deal found 22/9/22

Cheap เจแปนแอร์ไลน์ flights from Bangkok to Ontario

17 Oct - 10 Nov
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

25h 35m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

26h 25m
฿33,666

เจแปนแอร์ไลน์

Pick Dates

Deal found 24/9/22

17 Oct - 16 Nov
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

25h 35m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

26h 25m
฿33,704

เจแปนแอร์ไลน์

Pick Dates

Deal found 24/9/22

17 Oct - 10 Nov
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

25h 35m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

2 stops

26h 25m
฿33,929

เจแปนแอร์ไลน์

Pick Dates

Deal found 23/9/22

Last-minute flights from Bangkok to Ontario

Late deals on return flights to Ontario from Bangkok, departing today and this week
4 Oct - 28 Nov
BKK

Bangkok Suvarnabhumi

ONT

Ontario

1 stop

21h 05m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

1 stop

20h 00m
฿44,838

ไชน่าแอร์ไลน์

Pick Dates

Deal found 24/9/22

1 Oct - 1 Nov
BKK

Bangkok Suvarnabhumi

ONT

Ontario

1 stop

21h 05m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

1 stop

20h 00m
฿45,363

ไชน่าแอร์ไลน์

Pick Dates

Deal found 23/9/22

30 Sep - 27 Oct
BKK

Bangkok Suvarnabhumi

ONT

Ontario

1 stop

38h 35m
ONT

Ontario

BKK

Bangkok Suvarnabhumi

1 stop

19h 35m
฿46,188

ไชน่าแอร์ไลน์

Pick Dates

Deal found 24/9/22

One-way flights to Ontario from Bangkok

The cheapest one-way flights from Bangkok to Ontario
1 Nov
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

32h 12m
฿19,832

อเมริกันแอร์ไลน์

Pick Dates

Deal found 24/9/22

1 Nov
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

38h 04m
฿19,870

อเมริกันแอร์ไลน์

Pick Dates

Deal found 23/9/22

3 Nov
BKK

Bangkok Suvarnabhumi

ONT

Ontario

2 stops

47h 40m
฿19,907

Multiple Airlines

Pick Dates

Deal found 23/9/22

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 1 airline.

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

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

Can I find flights from Bangkok to Ontario for under ฿33,700 on Cheapflights?

Yes, there are multiple flights from Bangkok to Ontario for under ฿33,700. The cheapest flight booked recently is on ยูไนเต็ด for just ฿33,629, but on average you can expect to pay ฿36,028.

Are there last-minute flights available from Bangkok to Ontario for under ฿44,900?

There are currently 12+ open flights from Bangkok to Ontario within the next 7 days for less than ฿44,900.

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

Cheapflights users have booked flights from Bangkok to Ontario round-trip from ฿33,629. Another airline that can offer you cheap pricing is เจแปนแอร์ไลน์. You may be able to fly from Bangkok to Ontario for 24% less than the average price by searching for these airlines.

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

฿19,832 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 ฿20,732 and ฿24,744, respectively.

What are the cheapest flights from Bangkok to Ontario?

Looking at all options, your cheapest flight can be booked for ฿28,916. While the most popular route (Bangkok Suvarnabhumi - Ontario) can be booked for ฿30,779 on average our data indicates ฿71,831 when flying from Bangkok to Ontario.

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 San Diegofrom ฿37,708 pp
Chiang Mai to Los Angelesfrom ฿41,598 pp
Krabi to Los Angelesfrom ฿43,522 pp
Koh Samui to Los Angelesfrom ฿64,375 pp