BKK - ONT

$487 Find Cheap Flights from Bangkok to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$824
Typical prices: $735-$886
STARLUX Airlines
Thu 11/8Fri 11/23
BKK - ONT • 1 stop
Cheapest one-way
$487
Typical prices: $493-$661
STARLUX Airlines
Sat 11/24
BKK - ONT • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Bangkok Suvarnabhumi Airport 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
+1
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Ontario!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Bangkok to Ontario (BKK-ONT)

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

Recent round-trip flight deals from Bangkok to Ontario

Sun, Nov 8 - Mon, Nov 23
STARLUX Airlines Logo
5:40 pm - 3:55 pmBKK  Bangkok Suvarnabhumi-ONT Ontario
37h 15m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
9:45 pm - 12:35 pmONT  Ontario-BKK Bangkok Suvarnabhumi
23h 50m1 stop Taipei City Taiwan Taoyuan Intl
$823STARLUX Airlines
Sun, Nov 8 - Mon, Nov 23
STARLUX Airlines Logo
5:40 pm - 3:55 pmBKK  Bangkok Suvarnabhumi-ONT Ontario
37h 15m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
9:45 pm - 12:35 pmONT  Ontario-BKK Bangkok Suvarnabhumi
23h 50m1 stop Taipei City Taiwan Taoyuan Intl
$824STARLUX Airlines
Sun, Nov 8 - Mon, Nov 23
China Airlines Logo
10:55 am - 5:05 pmBKK  Bangkok Suvarnabhumi-ONT Ontario
21h 10m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
10:50 pm - 1:35 amONT  Ontario-BKK Bangkok Suvarnabhumi
35h 45m1 stop Taipei City Taiwan Taoyuan Intl
$827China Airlines
Sun, Nov 8 - Mon, Nov 23
STARLUX Airlines Logo
5:40 pm - 3:55 pmBKK  Bangkok Suvarnabhumi-ONT Ontario
37h 15m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
9:45 pm - 12:35 pmONT  Ontario-BKK Bangkok Suvarnabhumi
23h 50m1 stop Taipei City Taiwan Taoyuan Intl
$828STARLUX Airlines
Fri, Dec 25 - Tue, Jan 26
China Airlines Logo
10:55 am - 5:05 pmBKK  Bangkok Suvarnabhumi-ONT Ontario
21h 10m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
10:50 pm - 1:35 amONT  Ontario-BKK Bangkok Suvarnabhumi
35h 45m1 stop Taipei City Taiwan Taoyuan Intl
$829China Airlines
Fri, Dec 25 - Sat, Jan 23
China Airlines Logo
2:05 pm - 5:05 pmBKK  Bangkok Suvarnabhumi-ONT Ontario
18h 00m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
10:50 pm - 1:35 amONT  Ontario-BKK Bangkok Suvarnabhumi
35h 45m1 stop Taipei City Taiwan Taoyuan Intl
$829China Airlines
Fri, Dec 25 - Tue, Jan 26
STARLUX Airlines Logo
1:45 pm - 3:55 pmBKK  Bangkok Suvarnabhumi-ONT Ontario
17h 10m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
9:45 pm - 12:55 pmONT  Ontario-BKK Bangkok Suvarnabhumi
24h 10m1 stop Taipei City Taiwan Taoyuan Intl
$837STARLUX Airlines
Sun, Nov 8 - Mon, Nov 23
Multiple Airlines Logo
11:55 pm - 7:30 pmBKK  Bangkok Suvarnabhumi-ONT Ontario
34h 35m2 stops Incheon Intl San Francisco
Multiple Airlines Logo
10:55 am - 11:15 amONT  Ontario-BKK Bangkok Suvarnabhumi
33h 20m3 stops Las Vegas Harry Reid Intl San Francisco Incheon Intl
$883Multiple Airlines
Sun, Nov 8 - Mon, Nov 23
Multiple Airlines Logo
11:55 pm - 7:30 pmBKK  Bangkok Suvarnabhumi-ONT Ontario
34h 35m2 stops Incheon Intl San Francisco
Multiple Airlines Logo
10:55 am - 11:15 amONT  Ontario-BKK Bangkok Suvarnabhumi
33h 20m3 stops Las Vegas Harry Reid Intl San Francisco Incheon Intl
$886Multiple Airlines
Sun, Nov 8 - Mon, Nov 23
Multiple Airlines Logo
11:55 pm - 7:30 pmBKK  Bangkok Suvarnabhumi-ONT Ontario
34h 35m2 stops Incheon Intl San Francisco
Multiple Airlines Logo
10:55 am - 11:15 amONT  Ontario-BKK Bangkok Suvarnabhumi
33h 20m3 stops Las Vegas Harry Reid Intl San Francisco Incheon Intl
$897Multiple Airlines
Booking Insights

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

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

How much is a round-trip flight from Bangkok Suvarnabhumi Airport to Ontario?

Round-trip flights from Bangkok Suvarnabhumi Airport to Ontario typically range from $735 to $886. The lowest price found in the past 5 days was $824, on STARLUX Airlines.

Find deals

Key details for Bangkok Suvarnabhumi Airport to Ontario flights

Low season

July

Cheapest flight

$487
Beat the crowds with an average 94% drop in travelers.
The most popular month to fly with an average 65% increase in travelers.
One-way flight from Bangkok Suvarnabhumi Airport to Ontario

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 round-trip price

Your Bangkok Suvarnabhumi Airport to Ontario flight questions, answered

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

  • What cabin classes can I book on flights from Bangkok Suvarnabhumi Airport to Ontario?

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

    • Economy Class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Bangkok Suvarnabhumi Airport to Ontario?

    A nonstop flight from Bangkok Suvarnabhumi Airport to Ontario takes 00m, covering 8,280 miles.

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

    Round-trip flights from Bangkok Suvarnabhumi Airport to Ontario range from $735 to $886, with an average of $755 over the past 12 months. Anything below $735 counts as a good deal.

  • How are flight prices from Bangkok Suvarnabhumi Airport to Ontario looking right now?

    One-way fares from Bangkok Suvarnabhumi Airport to Ontario are currently lower than usual. Average one-way flight prices are about $492, which is 13% below the typical average for this route.

  • What car rental options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:

    • Fox
    • Thrifty
    • Europcar
    • Dollar
    • Alamo

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

    Flights from Bangkok Suvarnabhumi Airport to Ontario usually depart from Bangkok Suvarnabhumi (BKK) and arrive at Ontario (ONT).

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

    Most connecting flights from Bangkok Suvarnabhumi Airport 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 Suvarnabhumi Airport to Ontario?

    Yes. Flexible dates can save you up to 34% on flights from Bangkok Suvarnabhumi Airport to Ontario. Monday is the cheapest departure day at $693 round-trip on average, while Sunday is the most expensive at $1,038, a difference of $345.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Bangkok Suvarnabhumi Airport and Ontario?

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

  • What popular places can I visit in Ontario?

    Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

Your guide to booking Bangkok Suvarnabhumi Airport 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 $693, about $345 less than Sunday fares (33% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Bangkok Suvarnabhumi Airport to Ontario trip for February. Fares historically average $699 round-trip in that month - typically $643 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
    • Azure Hotel & Suites, Trademark Collection by Wyndham
    • La Quinta Inn & Suites by Wyndham Ontario Airport

More options for your flight from Bangkok to Ontario

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

Car rentals in Ontario
Hotels in Ontario
Vacations in Ontario