Find cheap flights to Bangkok

If you are planning a flight to Bangkok and are looking to avoid the rain, you should avoid traveling during the months of May, June, and July. These months will typically see 5.1 inches or more of rain, meaning that rain is likely. If you do run into rain while in Bangkok, there are still things to do and ways to enjoy your trip. Those looking for a great museum with interesting exhibits should take time out of their trip to Bangkok to go see Siriraj Medical Museum. Siriraj Medical Museum is particularly popular with tourists when the weather in Bangkok is not ideal. Shopping centers like Terminal 21 are very popular destinations for those visiting the Bangkok area. Terminal 21 is a great place to go if you’re looking to spend some time inside. A family-friendly option for when the weather in Bangkok doesn’t cooperate is heading to Sea Life Bangkok Ocean World, where you can enjoy all the ocean animals.

We recommend purchasing flights from United States to Bangkok 33 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Bangkok for $1,042. Keep in mind that you might also find cheap flights to Bangkok outside of this time window. In fact, momondo users recently found flights from United States to Bangkok for $840.

Finding an alternative and possibly cheaper destination airport near Bangkok is possible. If you are planning a flight to Bangkok, consider booking flights to Bangkok Don Mueang Intl Airport (12 mi from Bangkok city center), Utapao Rayong Pattaya Airport (81 mi from Bangkok city center) or Hua Hin Airport (87 mi from Bangkok city center).

You can find deals at Hua Hin Airport for $89 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

Prices for flights to Bangkok are refreshed on a daily basis.

There are 129 operators available for flights to Bangkok as of September 2026.

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Bangkok.

The travel and health documents required for your trip to Bangkok can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bangkok. We always recommend checking with your airline or a trusted third party such as IATA to get advice.