Cheap flights from the United States to Thailand from $398

The month of September is, on average, the cheapest month to fly to Thailand from United States, with most prices found around $911. If you are unable to visit Thailand during the month of September, then departing from United States during the month February is also very affordable. Most momondo users find prices during this month for around $917.

The cheapest day to depart on your flight to Thailand is on a Tuesday when prices can be found for as low as $892. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Thailand is Friday, with ticket prices averaging around $1,352.

Fly from Los Angeles to Bangkok Suvarnabhumi for the best United States - Thailand flight prices

You are more likely to see cheaper flights to Thailand from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Thailand for around $995 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Thailand from United States for as low as $846 on momondo.

There are 3 cabin classes available to choose from on United States to Thailand flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 27% on your flight if you consider stops on a United States to Thailand flight.

Alaska Airlines, Delta, and Korean Air are the most popular carriers operating from United States to Thailand

Cathay Pacific, EVA Air and Asiana Airlines are the top three most popular airlines that fly to Thailand from United States according to our data. Cathay Pacific is the first choice among our users, with 29% of people opting to fly with this airline when traveling to Thailand. Keep in mind that there are 42 different airlines that fly to Thailand on a routine basis, so you have a few additional options to choose from.

Historically, on average around 100% of flights between United States and Thailand have experienced a delay on any given week. The average delay length over the past 12 months has been 136 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

As of July 2026, there are 1 flights per day flying from United States to Thailand. The most common time of day flights depart is 11:00PM, with 100% of flights taking off in the evening.

7 flights are operational weekly from United States to Thailand as of July 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.