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Cheap flights from St. Louis to Bangkok from $914

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Bangkok departing on 6/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Easily compare round-trip flights from St. Louis to Bangkok

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from St. Louis to Bangkok by changing tabs
Multiple Airlines
Sep 8
STL7:31 pmLambert-St Louis
27h 34m
2 stops
BKK11:05 amBangkok Suvarnabhumi
Sep 14
BKK3:10 pmBangkok Suvarnabhumi
34h 23m
2 stops
STL1:33 pmLambert-St Louis
Qatar Airways
Sep 8
STL7:56 pmLambert-St Louis
28h 49m
2 stops
BKK12:45 pmBangkok Suvarnabhumi
Sep 13
BKK2:30 amBangkok Suvarnabhumi
29h 28m
2 stops
STL7:58 pmLambert-St Louis
KLM
May 24
STL5:37 pmLambert-St Louis
27h 53m
2 stops
BKK9:30 amBangkok Suvarnabhumi
May 31
BKK12:05 pmBangkok Suvarnabhumi
42h 36m
2 stops
STL6:41 pmLambert-St Louis
United Airlines
Sep 8
STL5:20 pmLambert-St Louis
47h 15m
3 stops
BKK4:35 amBangkok Suvarnabhumi
Sep 14
BKK9:35 amBangkok Suvarnabhumi
45h 54m
2 stops
STL7:29 pmLambert-St Louis
Cathay Pacific
Jun 12
STL6:29 amLambert-St Louis
29h 21m
2 stops
BKK11:50 pmBangkok Suvarnabhumi
Aug 6
BKK6:30 amBangkok Suvarnabhumi
27h 05m
2 stops
STL9:35 pmLambert-St Louis
Emirates
Jul 3
STL3:10 pmLambert-St Louis
33h 20m
2 stops
BKK12:30 pmBangkok Suvarnabhumi
Jul 7
BKK3:30 amBangkok Suvarnabhumi
30h 44m
2 stops
STL10:14 pmLambert-St Louis

Find the cheapest one-way flights from St. Louis to Bangkok

If you're looking for one-way flights from St. Louis to Bangkok, view some of our deals below provided by ANA and Cathay Pacific
Multiple Airlines
Jun 5
STL11:36 amLambert-St Louis
56h 14m
3 stops
BKK7:50 amBangkok Suvarnabhumi
Cathay Pacific
Jun 5
STL6:29 amLambert-St Louis
41h 01m
2 stops
BKK11:30 amBangkok Suvarnabhumi
ANA
May 23
STL6:15 amLambert-St Louis
29h 40m
2 stops
BKK11:55 pmBangkok Suvarnabhumi

Best airlines flying from St. Louis to Bangkok

Compare and see reviews for airlines that fly from St. Louis to Bangkok with momondo
Airline
Rating
Free Cancellation
Price
FinnairPriceFrom $1,006Free CancellationRating
7.7
1,383 reviews
Search Finnair flights
Qatar AirwaysPriceFrom $1,197Free CancellationRating
7.7
4,468 reviews
Search Qatar Airways flights
ANAPriceFrom $1,202Free CancellationRating
8.4
948 reviews
Search ANA flights
Air CanadaPriceFrom $1,243Free CancellationRating
7.0
6,863 reviews
Search Air Canada flights
Japan AirlinesPriceFrom $1,260Free CancellationRating
8.3
1,483 reviews
Search Japan Airlines flights
Cathay PacificPriceFrom $1,279Free CancellationRating
7.8
1,133 reviews
Search Cathay Pacific flights
DeltaPriceFrom $1,292Free CancellationRating
8.0
10,966 reviews
Search Delta flights
American AirlinesPriceFrom $1,299Free CancellationRating
7.3
14,884 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,362Free CancellationRating
7.4
11,226 reviews
Search United Airlines flights
LufthansaPriceFrom $1,425Free CancellationRating
7.0
7,749 reviews
Search Lufthansa flights

Qatar Airways flights from St. Louis to Bangkok

Our best Qatar Airways deals on St. Louis to Bangkok flight tickets
Qatar Airways
Sep 8
STL7:56 pmLambert-St Louis
28h 49m
2 stops
BKK12:45 pmBangkok Suvarnabhumi
Sep 13
BKK2:30 amBangkok Suvarnabhumi
29h 28m
2 stops
STL7:58 pmLambert-St Louis
Qatar Airways
May 20
STL10:30 amLambert-St Louis
31h 40m
2 stops
BKK6:10 amBangkok Suvarnabhumi
Jun 17
BKK2:30 amBangkok Suvarnabhumi
42h 37m
2 stops
STL9:07 amLambert-St Louis
Qatar Airways
May 20
STL10:30 amLambert-St Louis
31h 40m
2 stops
BKK6:10 amBangkok Suvarnabhumi
Jun 18
BKK9:05 pmBangkok Suvarnabhumi
33h 09m
2 stops
STL6:14 pmLambert-St Louis

KLM flights from St. Louis to Bangkok

Our best KLM deals on St. Louis to Bangkok flight tickets
KLM
May 24
STL5:37 pmLambert-St Louis
27h 53m
2 stops
BKK9:30 amBangkok Suvarnabhumi
May 31
BKK12:05 pmBangkok Suvarnabhumi
42h 36m
2 stops
STL6:41 pmLambert-St Louis
KLM
Jun 28
STL5:53 pmLambert-St Louis
27h 37m
2 stops
BKK9:30 amBangkok Suvarnabhumi
Jul 9
BKK12:05 pmBangkok Suvarnabhumi
40h 15m
2 stops
STL4:20 pmLambert-St Louis

How to get the cheapest flight ticket from St. Louis to Bangkok

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from St. Louis to Bangkok?

January. The cheapest time of year to fly to Bangkok from St. Louis is January. Most expensive is December

What is the cheapest day to depart St. Louis for Bangkok?

Monday. The cheapest day of the week is typically Monday. The most expensive is typically Thursday

When is the cheapest time to fly from St. Louis to Bangkok?

In the evening. St. Louis to Bangkok flights are approximately 27% more expensive in the morning than in the evening

What is the cheapest airline that flies to Bangkok from St. Louis?

Qatar Airways. American Airlines, Cathay Pacific, and Finnair are the most popular carriers operating from St. Louis to Bangkok

What is the cheapest St. Louis to Bangkok flight route?

Lambert-St Louis - Bangkok Suvarnabhumi. Fly from Lambert-St Louis to Bangkok Suvarnabhumi for the best St. Louis - Bangkok flight prices

How far in advance should you book St. Louis to Bangkok flights?

20 days before. The cheapest time to buy a flight from St. Louis to Bangkok is approximately 20 days to departure

Cheap St. Louis to Bangkok flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Bangkok

Best Price Found

$914

Fastest flight time

25h 02m

Direct flights

None

Airports in Bangkok

1 airport
The best one-way flight to Bangkok from St. Louis in the past 72 hours is $914. The best round-trip flight deal from St. Louis to Bangkok found on momondo in the last 72 hours is $1,267.
The fastest flight from St. Louis to Bangkok takes 25h 02m
There are no direct flights from St. Louis to Bangkok. Popular non-direct route for this connection is Lambert-St Louis Airport - Bangkok Suvarnabhumi Airport.
There is 1 airport near Bangkok: Bangkok Suvarnabhumi (BKK)

  • How far is Lambert-St Louis to Bangkok by plane?

    A flight from Lambert-St Louis to Bangkok will travel around 8745.3 mi. Typically, this will take 25h 02m by plane in normal conditions.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Bangkok?

    Prices for flights from Lambert-St Louis Airport to Bangkok are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Bangkok?

  • How old do you have to be to fly from Lambert-St Louis Airport to Bangkok?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Bangkok.

  • What documentation or ID do you need to fly to Bangkok?

    The travel and health documents you'll need for your trip to Bangkok may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bangkok. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Bangkok?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Bangkok from St. Louis.

Can I find flights from St. Louis to Bangkok with flexible booking policies on momondo?

Flights from St. Louis to Bangkok with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Bangkok?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bangkok from St. Louis.

I’m not ready to book a flight from St. Louis to Bangkok right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Bangkok flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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Wed 5/1
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Find better results for your stay in Thailand

Fly into one of these airports located in Bangkok
Airports listed have a maximum distance of 15.4 mi from Bangkok