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United Airlines flights from Bangkok Suvarnabhumi Airport to Ontario (BKK - ONT)

BKK — ONT
12 Feb — 19 Feb1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from Bangkok to Ontario on United Airlines typically fly into Ontario and depart from Bangkok Suvarnabhumi. Select your dates above for pricing.

United Airlines flights from Suvarnabhumi to Ontario in 2026

Find detailed information about United Airlines flights from Suvarnabhumi to Ontario. Explore the options provided by United Airlines to plan your journey from Suvarnabhumi to Ontario. Data last updated 13 January 2026.

One-way from

฿18,194

Return from

฿25,170

Popular in

July

Cheapest in

March

Average price (all airlines)

฿28,187
United Airlines
  • United Airlines
  • 23/4
  • 2 total stops
  • 27h 10m total
  • Bangkok to Ontario
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United Airlines
  • United Airlines
  • 30/6-29/9
  • 4 total stops
  • 51h 43m total
  • Bangkok to Los Angeles
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Highest demand for flights from Bangkok Suvarnabhumi to Ontario; 8% potential price increase.
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Best time to find cheap flights from Bangkok Suvarnabhumi to Ontario; 2% potential price drop.
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Average price for all Bangkok Suvarnabhumi to Ontario flights (one-way and round-trip).
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Find United Airlines flight deals from Suvarnabhumi to Ontario

Enter your travel dates to find the best prices.

Cheapest United Airlines flights from Suvarnabhumi to Ontario
Explore the most affordable United Airlines flight options available from Suvarnabhumi to Ontario. Find the lowest fares with prices last updated on 13 January 2026.

Fri 30/116:55
BKK
-
ONT
2 stops20h 58m
United Airlines
Sun 8/205:05
ONT
-
BKK
2 stops28h 15m
United Airlines
Deal found 13/1฿29,601
Sun 1/216:55
BKK
-
ONT
2 stops20h 58m
United Airlines
Sat 14/213:53
ONT
-
BKK
2 stops54h 32m
United Airlines
Deal found 13/1฿29,758
Wed 11/207:10
BKK
-
ONT
2 stops28h 48m
United Airlines
Wed 18/218:37
ONT
-
BKK
2 stops25h 48m
United Airlines
Deal found 12/1฿30,952

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).

Best time to book a flight from Suvarnabhumi to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Suvarnabhumi 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.

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Fly from Suvarnabhumi to Ontario on another airline

Consider alternative airlines that service the Ontario area. Flight routes are based on user searches made on Cheapflights and were last updated on 13 January 2026.
China Airlines flights from Bangkok Suvarnabhumi to Ontario

See what others are saying about United Airlines

Read reviews and see what other travellers are saying about their experiences with United Airlines. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing United Airlines for your next flight. Reviews last updated 13 January 2026.
United Airlines
7.4
Good
9,156 reviews
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Overview

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

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