Bangkok Flight Deals
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Ontario, United States
One way

Bangkok to Ontario

1 stop · Taipei
14:05BKK → ONT17:05

15h 5m · 1 stop

2h 55m layover Taipei

฿17,120
฿18,870-9%
฿1,750 below average
China Airlines
Cheapest in the next 365 daysDown from ฿19,951 on Aug 31

Exact-itinerary fare history

2% above tracked low

Route avg. ฿18,870

฿19,951฿16,815Jul 29Sep 10
First seen
฿17,183
Tracked low
฿16,815
Now
฿17,120
View one-way fare

Continue to secure booking

One-way itinerary

Outbound flight only

OutboundDecember 8·Tuesday

14:05

BKK

1 stop
15h 5m

17:05

ONTPST

  1. China Airlines
    BKK14:05TPE18:40
    3h 35m
  2. 2h 55m layover in Taipei
  3. China Airlines
    TPE21:35ONT17:05
    11h 30m

Baggage varies — check booking details.

Nearby one-way departures to Ontario15 days around December 8, 2026
AvgMinp25–p75
฿20,000฿25,000฿30,000฿35,000Nov 23Nov 29Dec 5Dec 11Dec 17Dec 23

Cheapest

฿17,120

Nov 23

Global average

฿18,870

All travel dates

December avg

฿18,679

Selected month

One-way price check

Compared only with historical one-way fares on this route

฿17,120
One-way low ฿17,120One-way high ฿35,075

Current fare

฿17,120

One-way average

฿18,870

This month

฿19,262

Deal score

55/100

Flexible Dates

One-way departures around your current date

Depart →
Thu
Dec 3
Fri
Dec 4
Sat
Dec 5
Sun
Dec 6
Mon
Dec 7
Tue
Dec 8
Wed
Dec 9
Thu
Dec 10
Fri
Dec 11
Sat
Dec 12
Sun
Dec 13
One way฿17,120฿17,120฿22,147฿22,152฿17,529
฿17,120
฿17,120฿17,125฿17,120฿17,125฿22,147

One-way price history

This itinerary’s recorded one-way fare over time

Jul 29 – Sep 9 · Price History
LowestHighest▼ 0% since Jul 29
฿20,600฿18,450฿16,300฿17,120Jul 29 09:58Aug 12 10:59Aug 26 12:00Sep 9 13:01

Ontario

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FAQ about Ontario

What is the cheapest flight from Bangkok to Ontario?
The lowest currently observed flight from Bangkok to Ontario is ฿17,120. Confirm the final itinerary total and availability before booking.
What is the average flight price from Bangkok to Ontario?
The average price for flights from Bangkok to Ontario is around ฿18,870. You can save up to 9% by booking the cheapest available deal.
When is the best time to fly from Bangkok to Ontario?
Prices vary throughout the year. Use the month filter on this page to find the cheapest time to fly from Bangkok to Ontario.
Are there direct flights from Bangkok to Ontario?
Availability of direct flights depends on the season and airline. Use the "Direct" filter on our search page to find non-stop flights from Bangkok to Ontario.
Do I need a visa to visit Ontario, United States?
Visa requirements depend on your nationality. We recommend checking with the embassy or consulate of United States for the most up-to-date visa information before booking your flight.
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