￥78,450 Cheap Flights from St. Louis (STL) to Bangkok (BKK)

View ￥78,450 flight on Mon, Jan 26, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Suvarnabhumi Intl. Airport (BKK)

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Cheap Flights from St. Louis to Bangkok (STL-BKK)

Prices were available within the past 7 days and start at ￥78,450 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from St. Louis (STL) to Bangkok (BKK)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Suvarnabhumi Intl.
Distance
13988 km

St. Louis to Bangkok Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from St. Louis to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Bangkok.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with STL to BKK flights that won’t make your bank account wince. Ready to temporarily leave behind St. Louis for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to BKK with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from STL to Suvarnabhumi Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight between STL and Bangkok Airport was . Great fares don't stick around for long, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert Field to Suvarnabhumi Airport?
The majority of flights can be canceled online, but each airline has its own set of terms and conditions. If you do have to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from STL to BKK that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for St. Louis Lambert International Airport to Suvarnabhumi Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from STL to Suvarnabhumi Intl. Airport (BKK)?
The distance is around 14,100 kilometers. Eye mask? Check. Spare socks? Double check. We suggest you pack all the travel comforts for this long-haul St. Louis to Bang Phli flight.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to Suvarnabhumi Intl. Airport (BKK)?
At present, no airlines offer direct flights from Lambert-St. Louis Intl. Airport (STL) to Suvarnabhumi Airport. You'll have to book a flight with one or more stops. To score the best price and connections, lock in your airfare well in advance.
Are St. Louis Lambert International Airport to Bangkok Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices from STL to Suvarnabhumi Intl. Airport (BKK) are available up to a year prior to departure on Expedia. And although you may occasionally pick up a great last-minute deal, it's not something you should bank on. Also, booking your flights in advance means you'll have more options — and you can avoid getting caught in the dreaded middle seat! We're constantly updating our fares to bring you the biggest bargains, so check back often for all the latest specials.

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