What’s the cost of a flight from Ontario to Bangkok?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Ontario and Bangkok.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Which airports serve Ontario and Bangkok?

When planning a trip of about 8285 mi, it's a good idea to check flights from surrounding airports too.

• Airports in Ontario: Ontario is the only operational airport in the area.
• Airports in Bangkok: Another nearby option is Don Mueang.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Explore flights from Ontario to Bangkok your way

On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by agency like eDreams or Expedia. Options include Delta, United, American, and more.

Other popular destinations

Also interested in Thailand? Check out: Bangkok, Chiang Mai, Ko Samui, Krabi, Phuket.

If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.