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Cheap flights from St. Louis to Bangkok from $636

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 4/5. 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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Find the cheapest flights from St. Louis to Bangkok

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from St. Louis to Bangkok.
6:30 am - 7:20 pmSTL-BKK
48h 50m2 stops
2:30 am - 12:04 amBKK-STL
33h 34m2 stops
$1,053Qatar Airways
Find Deal
Wed, Apr 23 - Tue, May 20
8:20 am - 6:00 amSTL-BKK
33h 40m2 stops
9:35 pm - 2:26 pmBKK-STL
28h 51m2 stops
$1,090ANA
Find Deal
Thu, Aug 28 - Wed, Sep 3
6:45 am - 9:45 pmSTL-BKK
27h 00m2 stops
11:30 pm - 1:20 pmBKK-STL
25h 50m2 stops
$1,104Delta
Find Deal
Thu, Aug 28 - Sun, Sep 14
5:45 pm - 4:35 amSTL-BKK
46h 50m2 stops
9:35 am - 6:58 pmBKK-STL
45h 23m2 stops
$1,110United Airlines
Find Deal
Sun, Aug 31 - Tue, Sep 16
5:45 pm - 4:35 amSTL-BKK
46h 50m2 stops
7:00 am - 4:26 pmBKK-STL
21h 26m2 stops
$1,113United Airlines
Find Deal
Sun, Aug 31 - Thu, Sep 11
7:00 am - 4:40 amSTL-BKK
33h 40m2 stops
12:25 am - 10:59 pmBKK-STL
34h 34m2 stops
$1,132Japan Airlines
Find Deal
Tue, Sep 16 - Thu, Sep 25
7:30 am - 9:45 pmSTL-BKK
26h 15m2 stops
9:50 am - 11:02 pmBKK-STL
25h 12m2 stops
$1,144Delta
Find Deal
Fri, Aug 29 - Mon, Sep 15
11:21 am - 5:30 amSTL-BKK
30h 09m2 stops
7:05 am - 10:45 pmBKK-STL
27h 40m2 stops
$1,402Finnair
Find Deal
Thu, May 1 - Thu, May 8
6:15 am - 5:50 amSTL-BKK
59h 35m2 stops
12:25 am - 11:04 pmBKK-STL
34h 39m2 stops
$1,529Japan Airlines
Find Deal
Thu, May 1 - Wed, May 7
5:27 pm - 5:30 amSTL-BKK
48h 03m2 stops
7:05 am - 10:57 pmBKK-STL
27h 52m2 stops
$1,597Finnair
Find Deal
Thu, Jul 17 - Mon, Jul 28

Delta flights from St. Louis to Bangkok

Our best Delta deals on St. Louis to Bangkok flight tickets
Delta
Aug 28
STL6:45 amLambert-St Louis
27h 00m
2 stops
BKK9:45 pmBangkok Suvarnabhumi
Sep 14
BKK11:30 pmBangkok Suvarnabhumi
25h 50m
2 stops
STL1:20 pmLambert-St Louis
Delta
Aug 29
STL7:30 amLambert-St Louis
26h 15m
2 stops
BKK9:45 pmBangkok Suvarnabhumi
Sep 15
BKK9:50 amBangkok Suvarnabhumi
25h 12m
2 stops
STL11:02 pmLambert-St Louis
Delta
Aug 29
STL8:55 amLambert-St Louis
26h 30m
2 stops
BKK11:25 pmBangkok Suvarnabhumi
Sep 13
BKK9:50 amBangkok Suvarnabhumi
25h 12m
2 stops
STL11:02 pmLambert-St Louis

United Airlines flights from St. Louis to Bangkok

Our best United Airlines deals on St. Louis to Bangkok flight tickets
United Airlines
Aug 31
STL5:45 pmLambert-St Louis
46h 50m
2 stops
BKK4:35 amBangkok Suvarnabhumi
Sep 16
BKK9:35 amBangkok Suvarnabhumi
45h 23m
2 stops
STL6:58 pmLambert-St Louis
United Airlines
Aug 31
STL5:45 pmLambert-St Louis
46h 50m
2 stops
BKK4:35 amBangkok Suvarnabhumi
Sep 11
BKK7:00 amBangkok Suvarnabhumi
21h 26m
2 stops
STL4:26 pmLambert-St Louis
United Airlines
Apr 30
STL6:15 amLambert-St Louis
29h 40m
2 stops
BKK11:55 pmBangkok Suvarnabhumi
May 15
BKK7:00 amBangkok Suvarnabhumi
27h 45m
2 stops
STL10:45 pmLambert-St Louis

See travel insights to Bangkok from

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 to Bangkok?

If you aren’t able to travel during the month of February, then book flights to Bangkok from St. Louis during January instead. Flights to Bangkok in January, while not as cheap as those in February, still average around $1,195.

What is the cheapest day to depart on your flight to Bangkok?

On average, the least expensive day to fly to Bangkok from St. Louis is on a Monday. momondo users have found tickets for Monday departures for as low as $1,334. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from St. Louis to Bangkok on a Thursday will generally be more expensive and average around $1,546. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Bangkok?

According to our data, the cheapest time of day to fly to Bangkok is in the morning. momondo users have found flights departing from St. Louis to Bangkok in the morning for as low as $1,339. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at noon because they tend to be around $1,754. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Bangkok?

You are more likely to see cheaper flights to Bangkok from St. Louis when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to Bangkok for around $1,434 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok from St. Louis for as low as $1,242 on momondo.

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

$636

Fastest flight time

24h 55m

Direct flights

None

Airports in Bangkok

1 airport
The best one-way flight to Bangkok from St. Louis in the past 72 hours is $636. The best round-trip flight deal from St. Louis to Bangkok found on momondo in the last 72 hours is $1,053.
The fastest flight from St. Louis to Bangkok takes 24h 55m
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 24h 55m 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.


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
Japan AirlinesPriceFrom $1,080Free CancellationRating
8.3
1,440 reviews
Search Japan Airlines flights
DeltaPriceFrom $1,104Free CancellationRating
8.0
7,899 reviews
Search Delta flights
United AirlinesPriceFrom $1,113Free CancellationRating
7.4
8,614 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,114Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Turkish AirlinesPriceFrom $1,116Free CancellationRating
7.3
3,748 reviews
Search Turkish Airlines flights
ANAPriceFrom $1,125Free CancellationRating
8.3
831 reviews
Search ANA flights
Air CanadaPriceFrom $1,176Free CancellationRating
7.0
9,012 reviews
Search Air Canada flights
Qatar AirwaysPriceFrom $1,213Free CancellationRating
7.4
3,541 reviews
Search Qatar Airways flights
Cathay PacificPriceFrom $1,238Free CancellationRating
7.5
841 reviews
Search Cathay Pacific flights
FinnairPriceFrom $1,340Free CancellationRating
7.6
1,267 reviews
Search Finnair flights

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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Find better results for your trip to Thailand

Fly into one of these airports located in Bangkok

Airports listed have a maximum distance of 15.4 mi from Bangkok