Beginning of main content
Round Trip Icon
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5
Due to coronavirus (COVID-19) travel advisories, some destinations may be unavailable for certain dates. Find out more.

Change your flight without a fee on select flights

Feel at ease with free flight cancellations within 24 hours of booking

Flights Fare Calendar Find minimum fare between Lambert-St. Louis Intl. and Suvarnabhumi Intl. Click this button to get previous days data Click this button to get next days data $1,882 $1,613 $1,344 $1,075 $807 $538 $269 $0 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T Price is $1,882 on All Nippon Airways Price is $1,539 on All Nippon Airways Price is $1,769 on All Nippon Airways Price is $1,629 on American Airlines Price is $1,293 on American Airlines Price is $1,725 on Qatar Airways Price is $1,633 on Qatar Airways Price is $1,641 on Japan Airlines Price is $1,145 on American Airlines Price is $1,472 on Japan Airlines Price is $1,437 on All Nippon Airways Price is $1,439 on All Nippon Airways

Amazing STL to BKK Flight Deals

The cheapest flights to Suvarnabhumi Intl. found within the past 7 days were $958 round trip and $477 one way. Prices and availability subject to change. Additional terms may apply.

FAQs about flights from Lambert-St. Louis Intl. Airport (STL) to Suvarnabhumi Intl. Airport (BKK)

Can I catch a flight from St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) to Bangkok Airport (BKK-Suvarnabhumi Intl.) right now?

For info on any current Bangkok Airport (BKK-Suvarnabhumi Intl.) travel advice and quarantine requirements, go to the Covid-19 Travel Advisor. Look before you book your flight, so you don't get caught up en route.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to Suvarnabhumi Intl. Airport (BKK), please visit our Customer Service Portal.

What airlines fly from Lambert-St. Louis Intl. Airport (STL) to Suvarnabhumi Intl. Airport (BKK)?

You'll have to plan for at least one stopover if you want to fly from Lambert-St. Louis Intl. Airport (STL) to Suvarnabhumi Intl. Airport (BKK), as no airlines operate direct flights on this route. Take advantage of your layover time by freshening up, giving your legs a stretch and engaging in a little retail therapy.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2020. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Sunday, as data shows the end of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2020, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2020 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2 weeks to 2 months prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2020 saved nearly 40% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2020. Savings are subject to change based on departure location, date and destination.

Lambert-St. Louis Intl. to Suvarnabhumi Intl. Flight FAQ

Traveling FromLambert-St. Louis Intl.
Traveling ToSuvarnabhumi Intl.
Shortest Flight Time hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price$958

Route Info

Flight path for flights from Lambert-St. Louis International Airport to Suvarnabhumi Airport.


Distance:
10,136.00 miles


Popular Flight Routes from St. Louis (STL)

Lambert-St. Louis Intl. to Suvarnabhumi Intl. Flight FAQ

Traveling FromLambert-St. Louis Intl.
Traveling ToSuvarnabhumi Intl.
Shortest Flight Time hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price$958

Popular Flight Routes from Bangkok (BKK)

Travelers at BKK love to visit these top cities. Roam to the top destinations from Bangkok(BKK) today with the cheap prices from Travelocity!

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.