ONT

Find Cheap Flights from Bangkok to Ontario – Compare and Save

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Everything you should know

Direct flights
Not available
There are currently no direct flights between Bangkok and Ontario. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
February
Cheapest • 7% price drop
December
Most popular
Good to know
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Good to know
+1
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Cheap Flights from Bangkok to Ontario

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Bangkok to Ontario

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TH1  Glasgow Thorntonhall-ONT Ontario Airport
21457 kmmulti-stop
Multiple Airlines Logo
ONT  Ontario Airport-TH1 Glasgow Thorntonhall
21457 kmmulti-stop
Multiple Airlines
Booking Insights

Price, demand, and travel trends for Bangkok to Ontario flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What is the cheapest stopover airport when flying from Bangkok to Ontario?

Flights via Taipei City Taiwan Taoyuan Intl (TPE) offer the most affordable fares, with an average return price of ฿30,443. Based on KAYAK data over the past 3 months.

When flying from Bangkok to Ontario, which airport offers the shortest stopover?

Taipei City Taiwan Taoyuan Intl (TPE) had the shortest average connection time for Bangkok to Ontario stopovers at 11h 32m over the past 3 months.

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Key details for Bangkok to Ontario flights

Low season

July
Beat the crowds with an average 94% drop in travellers.
The most popular month to fly with an average 65% increase in travellers.

When to book flights from Bangkok to Ontario

Are your dates flexible? Find out the best times to travel from Bangkok to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Bangkok to Ontario flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from Bangkok to Ontario?

    Three cabin classes are available on flights from Bangkok to Ontario:

    • Economy class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Bangkok to Ontario?

    A direct flight from Bangkok to Ontario takes 00m, covering 21,457 km.

  • Do I need a passport to fly from Bangkok to Ontario?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Bangkok to Ontario flight?

    Return flights from Bangkok to Ontario range from ฿24,814 to ฿29,907, with an average of ฿25,493 over the past 12 months. Anything below ฿24,814 counts as a good deal.

  • Which airports can I use when flying from Bangkok to Ontario?

    Flights from Bangkok to Ontario may depart from several airports in Bangkok area, including Bangkok Suvarnabhumi (BKK) and Bangkok Don Mueang Intl (DMK). Flights usually arrive at Ontario (ONT).

  • Which airports do connecting flights from Bangkok to Ontario pass through?

    Most connecting flights from Bangkok to Ontario pass through Taipei City Taiwan Taoyuan Intl (TPE), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Bangkok to Ontario?

    Yes. Flexible dates can save you up to 34% on flights from Bangkok to Ontario. Monday is the cheapest departure day at ฿23,388 return on average, while Sunday is the most expensive at ฿35,032, a difference of ฿11,644.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Bangkok and Ontario?

    Ontario is 14 hours behind Bangkok (Pacific Time vs Indochina Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Bangkok to Ontario flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Sunday. On this route, Monday flights average ฿23,388, which is about ฿11,644 less than Sunday fares (33% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Bangkok to Ontario trip for February. Fares historically average ฿23,591 return in that month – typically ฿21,701 less than the most expensive month, which is April (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.

    • Ontario Airport Inn
    • Holiday Inn Ontario Airport By IHG
    • Azure Hotel & Suites, Trademark Collection by Wyndham

More options for your flight from Bangkok to Ontario

Complete your trip to Ontario with a hotel stay or car hire

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