Beginning of main content
Round Trip Icon
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5

Search over 1,000,000 properties worldwide and 550 airlines worldwide.

Search over a million flights, hotels, packages, and more

No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheap STL to BKK Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

St. Louis to Bangkok route information

Origin Airport Lambert-St. Louis Intl.
Destination Airport Suvarnabhumi Intl.
Airlines Serving Air Canada, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, Delta, Finnair, Japan Airlines, Korean Air, Lufthansa, Qantas Airways, Royal Jordanian, United
Flight Price $823
Distance 8,743 mi

Cheap STL to BKK Flights

  • Question : What is the cheapest day to fly?
    Answer : The cheapest day to fly from Saint Louis to Bangkok is on Tuesday. If you are trying to save a bit of money on your next trip look for flights on that day.
  • Question : Can I change the date of my flight?
    Answer : You sure can switch your departure date and you may save money by changing when you leave. The cheapest day to fly in July is Tuesday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.
  • Question : What is the cheapest day to fly to Bangkok?
    Answer : If you are wanting to save funds, look at Jul 10th. As of Jun 17th, it's showing the cheapest ticket at $841. That is 47% below the average price for this route, so you can spend that extra cash on some souvenirs.
  • Question : What is the cheapest airline flying from Saint Louis to Bangkok?
    Answer : American Airlines strives to keep costs down for travelers over the next three months. Fares are being booked at just $781 and, when compared to the high-end bookings of $7,004, it's a great deal.
  • Question : How much is a plane ticket to Bangkok (BKK) from Saint Louis (STL)?
    Answer : Prices vary anywhere from $781 to $7,004. Booking in advance can usually help you get the cheapest price. Remember, you can save by booking well in advance.
  • Question : How long do most people stay in Bangkok?
    Answer : Of course, you're not most people, but if you were, you'd stay about 27 days.