$690 Cheap Flights from St. Louis to Bangkok

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Find The Best Dates To Fly from Lambert-St. Louis Intl. to Suvarnabhumi Intl.

Amazing STL to BKK Flight Deals

The cheapest flights to Suvarnabhumi Intl. found within the past 7 days were $1,160 round trip and $690 one way. Prices and availability subject to change. Additional terms may apply.

Wed, Apr 24 - Wed, May 1
STL
St. Louis
BKK
Bangkok
$1,160 Roundtrip, found 4 days ago
$1,160
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Apr 24 from St. Louis to Bangkok, returning Wed, May 1, priced at $1,160 found 4 days ago
Fri, Feb 9 - Wed, Feb 14
STL
St. Louis
BKK
Bangkok
$1,201 Roundtrip, found 1 day ago
$1,201
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Feb 9 from St. Louis to Bangkok, returning Wed, Feb 14, priced at $1,201 found 1 day ago
Sun, Jan 21 - Thu, Feb 1
STL
St. Louis
BKK
Bangkok
$1,337 Roundtrip, found 6 days ago
$1,337
Roundtrip
found 6 days ago
Select Austrian Airlines flight, departing Sun, Jan 21 from St. Louis to Bangkok, returning Thu, Feb 1, priced at $1,337 found 6 days ago
Sun, Jan 21 - Thu, Feb 1
STL
St. Louis
BKK
Bangkok
$1,347 Roundtrip, found 6 days ago
$1,347
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Sun, Jan 21 from St. Louis to Bangkok, returning Thu, Feb 1, priced at $1,347 found 6 days ago
Tue, Nov 7 - Tue, Nov 21
STL
St. Louis
BKK
Bangkok
$1,363 Roundtrip, found 3 days ago
$1,363
Roundtrip
found 3 days ago
Select Turkish Airlines flight, departing Tue, Nov 7 from St. Louis to Bangkok, returning Tue, Nov 21, priced at $1,363 found 3 days ago
Wed, May 1 - Wed, May 8
STL
St. Louis
BKK
Bangkok
$1,523 Roundtrip, found 3 days ago
$1,523
Roundtrip
found 3 days ago
Select Qatar Airways flight, departing Wed, May 1 from St. Louis to Bangkok, returning Wed, May 8, priced at $1,523 found 3 days ago
Wed, Oct 11 - Wed, Oct 25
STL
St. Louis
BKK
Bangkok
$1,542 Roundtrip, found 1 day ago
$1,542
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 11 from St. Louis to Bangkok, returning Wed, Oct 25, priced at $1,542 found 1 day ago
Wed, May 15 - Thu, May 23
STL
St. Louis
BKK
Bangkok
$1,558 Roundtrip, found 1 day ago
$1,558
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, May 15 from St. Louis to Bangkok, returning Thu, May 23, priced at $1,558 found 1 day ago
Sun, Dec 3 - Fri, Dec 8
STL
St. Louis
BKK
Bangkok
$1,595 Roundtrip, found 22 hours ago
$1,595
Roundtrip
found 22 hours ago
Select Royal Jordanian flight, departing Sun, Dec 3 from St. Louis to Bangkok, returning Fri, Dec 8, priced at $1,595 found 22 hours ago
Thu, Feb 8 - Mon, Feb 19
STL
St. Louis
BKK
Bangkok
$1,611 Roundtrip, found 10 hours ago
$1,611
Roundtrip
found 10 hours ago
Select Finnair flight, departing Thu, Feb 8 from St. Louis to Bangkok, returning Mon, Feb 19, priced at $1,611 found 10 hours ago

Frequently asked questions

Can I catch a flight from Lambert-St. Louis Intl. Airport (STL) to BKK right now?
For information on any present BKK quarantine requirements and travel advice, visit the Covid-19 Travel Advisor. Look before you arrange your flight, so you don’t get caught out 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 BKK, please visit our Customer Service Portal.
What is the flight distance from Lambert-St. Louis Intl. Airport (STL) to Suvarnabhumi Airport?
From STL to Bangkok Airport, there’s a flight distance of 8,800 mi. So, it’ll be wise to have a good range of entertainment to choose from. Movies, magazines, games … Whatever interests you. If you’re adequately prepared, it won’t feel like too long before you hear the call to prepare for landing.
What airlines fly from Lambert-St. Louis Intl. Airport (STL) to Bangkok Airport?
When traveling from St. Louis Lambert International Airport to BKK, you’ll need to plan ahead — no airlines currently offer direct flights. Booking well in advance should help you find the ideal price and route.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Bangkok Airways, Thai AirAsia or Thai Airways you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
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 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that 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 2021, 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 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
Lambert-St. Louis Intl.
Traveling To
Suvarnabhumi Intl.
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$1,160

Route Info

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


Origin:
STL - Lambert-St. Louis International Airport
Destination:
BKK - Suvarnabhumi Airport
Distance:
10,136.00 miles


Discover our best flights from St. Louis STL to Bangkok BKK. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from St. Louis STL to Bangkok BKK at the right price  

Airfares to Bangkok BKK from St. Louis STL currently cost between $1,160 and $1,611. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from St. Louis STL to Bangkok BKK 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from St. Louis STL to Bangkok BKK on Travelocity starting at $690. Prices and availability subject to change. Additional terms may apply. 

 

Get to Bangkok BKK from St. Louis STL quicker with direct flights. 

Get to Bangkok faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to BKK from STL to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from St. Louis STL to Bangkok BKK

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to BKK from STL. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from St. Louis STL to Bangkok BKK today 

If you’re flexible about when you travel, April is usually the cheapest month to fly from St. Louis STL to Bangkok BKK. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Bangkok BKK from St. Louis STL 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to BKK from STL have this option.  

 

Travel with confidence when you book flights to Bangkok BKK from St. Louis STL with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*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.