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Cheap flights from Bangkok to Ontario from ฿17,847

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ONT
28 Oct — 4 Nov1
1 adult

Cheap flight deals from Bangkok to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 23 October 2024.

Round-trip from

฿29,500

One-way from

฿17,847

Popular in

July

Cheapest in

April
China Airlines
  • China Airlines
  • 25/12-30/12
  • 2 total stops
  • 37h 50m total
  • Bangkok to Ontario
Search Deals
China Airlines
  • China Airlines
  • 4/11
  • 1 total stop
  • 29h 15m total
  • Bangkok to Ontario
Search Deals
High demand for flights, 22% potential price rise
Search Deals
Best time to find cheap flights, 10% potential price drop
Search Deals

Find flight deals from Bangkok to Ontario

Cheapest flights from Bangkok to Ontario
Explore the most affordable flight options available from Bangkok to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 October 2024.

Wed 25/1214:05BKK - ONT
1 stop17h 45mChina Airlines
Mon 30/1222:45ONT - BKK
1 stop20h 05mChina Airlines
Deal found 22/10฿29,500
Wed 25/1207:10BKK - ONT
2 stops21h 06mUnited Airlines
Mon 30/1205:05ONT - BKK
2 stops28h 00mUnited Airlines
Deal found 22/10฿33,216
Thu 14/1101:00BKK - ONT
2 stops30h 45mKorean Air
Mon 2/1205:40ONT - BKK
2 stops24h 50mKorean Air
Deal found 22/10฿48,284
Sat 16/1123:15BKK - ONT
2 stops32h 30mMultiple Airlines
Mon 2/1205:40ONT - BKK
2 stops26h 40mMultiple Airlines
Deal found 22/10฿52,269
Fri 25/1009:50BKK - ONT
2 stops26h 49mเดลต้า
Fri 1/1117:50ONT - BKK
2 stops37h 40mเดลต้า
Deal found 23/10฿66,466
Thu 19/1208:05BKK - ONT
2 stops24h 04mJapan Airlines
Mon 30/1206:00ONT - BKK
2 stops26h 35mJapan Airlines
Deal found 22/10฿150,579
Wed 25/1207:00DMK - ONT
2 stops24h 50mMultiple Airlines
Mon 30/1222:45ONT - DMK
1 stop24h 10mMultiple Airlines
Deal found 22/10฿238,676
Sat 21/1203:00BKK - ONT
2 stops35h 59mQatar Airways
Tue 31/1206:00ONT - BKK
2 stops33h 40mQatar Airways
Deal found 22/10฿246,477

Find flights from Bangkok to Ontario within your budget

Customise your flight search to find flights from Bangkok to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 16,666 searches. Data last updated 23 October 2024.

Fly from

Any airport

Fly to

Any airport

Budget

฿29,500 - ฿238,676

Route

Depart

Return

Price

Bangkok SuvarnabhumiOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Wed 25/12

1 stop17h 45m

Ontario

Mon 30/12

1 stop20h 05m

฿29,500

Bangkok SuvarnabhumiOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Wed 29/1

2 stops25h 54m

Ontario

Mon 3/3

2 stops32h 10m

฿29,667

Bangkok SuvarnabhumiOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Mon 10/2

2 stops23h 08m

Ontario

Tue 4/3

2 stops32h 10m

฿42,927

Bangkok SuvarnabhumiOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Mon 18/11

2 stops30h 45m

Ontario

Tue 26/11

2 stops24h 50m

฿45,840

Bangkok SuvarnabhumiOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Tue 19/11

2 stops22h 15m

Ontario

Tue 26/11

2 stops26h 35m

฿47,146

Bangkok SuvarnabhumiOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Fri 15/11

2 stops36h 45m

Ontario

Fri 6/12

2 stops27h 55m

฿48,653

Bangkok SuvarnabhumiOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Sun 24/11

2 stops48h 54m

Ontario

Sun 15/12

2 stops42h 45m

฿63,921

Bangkok Don Mueang IntlOntario

DMK - ONT

DMKONT

Bangkok Don Mueang Intl

Wed 25/12

2 stops24h 50m

Ontario

Mon 30/12

1 stop24h 10m

฿238,676

Flights are sorted by cheapest first

Deals found on 22/10

Best time to book a flight from Bangkok to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Bangkok with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Bangkok to Ontario

Get recent, data-driven insights about flights from Bangkok to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from BKK to ONT?

Find hourly flight availability from Bangkok to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 October 2024.

It’s optimal to fly from Bangkok to Ontario at midday. By choosing this option you can save up to 7% on the cost of your flight, compared to a flight in the morning.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 inches per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 23 October 2024.
To help decide which airline to fly from Bangkok to Ontario, see what other customers have to say about China Airlines and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very Good
1,044 reviews
Check prices

Comfort

8.3

Crew

8.8

Entertainment

8.2

Overall

8.5

Boarding

8.5

Food

8.1

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

Korean Air
8.5
Very Good
1,044 reviews
Korean Air
8.5
Very Good
1,044 reviews
Check prices

Comfort

8.3

Crew

8.8

Entertainment

8.2

Overall

8.5

Boarding

8.5

Food

8.1

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

Japan Airlines
8.3
Very Good
1,448 reviews
Korean Air
8.5
Very Good
1,044 reviews
Check prices

Comfort

8.3

Crew

8.8

Entertainment

8.2

Overall

8.5

Boarding

8.5

Food

8.1

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

China Airlines
8.3
Very Good
801 reviews
Korean Air
8.5
Very Good
1,044 reviews
Check prices

Comfort

8.3

Crew

8.8

Entertainment

8.2

Overall

8.5

Boarding

8.5

Food

8.1

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

เดลต้า
8.0
Very Good
8,884 reviews
Korean Air
8.5
Very Good
1,044 reviews
Check prices

Comfort

8.3

Crew

8.8

Entertainment

8.2

Overall

8.5

Boarding

8.5

Food

8.1

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

Qatar Airways
7.5
Good
3,914 reviews
Korean Air
8.5
Very Good
1,044 reviews
Check prices

Comfort

8.3

Crew

8.8

Entertainment

8.2

Overall

8.5

Boarding

8.5

Food

8.1

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

Related info for your journey

Find useful and relevant information for your journey from Bangkok to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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.

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

    Cheapflights users have booked flights from Bangkok to Ontario return from ฿29,500. Other airlines that can offer you cheap pricing are United Airlines, from ฿29,667, and Korean Air, from ฿45,840. You may be able to fly from Bangkok to Ontario for 10% less than the average price by searching for these airlines.

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

    ฿17,847 is the cheapest one-way deal found within the past few days, from China Airlines. You may also be able to find cheap deals on Japan Airlines and United Airlines, with prices starting from ฿21,262 and ฿21,363, respectively.

  • Can I find deals for flights from Bangkok to Ontario that include hotel bookings?

    Yes. In addition to deals on Bangkok to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Bangkok to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bangkok to Ontario.

  • Can I find deals for business class flights from Bangkok to Ontario?

    Yes. Cheapflights offers flight deals from Bangkok to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Bangkok to Ontario

Discover the top airline that operate flights from Bangkok to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 16,666 searches. Data last updated 23 October 2024.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest฿28,687Average฿32,479FlexibilityNo cancel feeOn-time70%
Search China Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Bangkok to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Bangkok to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Bangkok to Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Bangkok to Ontario for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Bangkok to Ontario with no change fees?

Yes! Cheapflights helps users easily find flights from Bangkok to Ontario with no change fees.

Can Cheapflights notify me if prices for flights from Bangkok to Ontario become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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