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Cheap flights from St. Louis to Bangkok from $572

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 1/20. 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

These are some of the best round-trip flight deals from St. Louis to Bangkok that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Bangkok.

Cheap last minute flights

Planning a quick getaway from St. Louis to Bangkok? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Bangkok, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Bangkok

Find recent round-trip train or bus tickets from St. Louis to Bangkok.

All round-trip flight deals to Bangkok

The cheapest plane tickets to Bangkok found on KAYAK recently.
6:15 am - 3:30 pmSTL-BKK
45h 15m2 stops
9:35 pm - 2:34 pmBKK-STL
28h 59m2 stops
$1,091ANA
Find Deal
Mon, Apr 7 - Mon, May 5
6:00 am - 11:20 pmSTL-BKK
28h 20m2 stops
9:30 pm - 10:13 pmBKK-STL
36h 43m2 stops
$1,103Delta
Find Deal
Mon, Mar 3 - Mon, Mar 24
6:15 am - 12:05 amSTL-BKK
28h 50m2 stops
7:10 am - 4:31 pmBKK-STL
22h 21m2 stops
$1,115United Airlines
Find Deal
Thu, Jan 9 - Wed, Jan 29
4:36 pm - 12:05 amSTL-BKK
42h 29m2 stops
7:10 am - 8:43 pmBKK-STL
26h 33m2 stops
$1,121United Airlines
Find Deal
Mon, Jan 20 - Mon, Jan 27
6:03 am - 10:35 pmSTL-BKK
27h 32m2 stops
11:40 am - 11:08 pmBKK-STL
24h 28m2 stops
$1,266Cathay Pacific
Find Deal
Mon, Jan 20 - Thu, Feb 20
6:00 pm - 12:05 pmSTL-BKK
53h 05m2 stops
6:40 am - 4:20 pmBKK-STL
22h 40m2 stops
$1,287Cathay Pacific
Find Deal
Wed, Jan 8 - Thu, Jan 30
6:44 am - 6:45 pmSTL-BKK
48h 01m2 stops
2:30 am - 9:40 pmBKK-STL
31h 10m2 stops
$1,325Qatar Airways
Find Deal
Sun, Mar 23 - Mon, Mar 31
7:00 am - 1:10 pmSTL-BKK
42h 10m2 stops
2:30 am - 10:24 pmBKK-STL
31h 54m2 stops
$1,332Qatar Airways
Find Deal
Tue, Apr 29 - Wed, May 7
6:13 pm - 5:25 amSTL-BKK
47h 12m2 stops
7:05 am - 11:56 pmBKK-STL
28h 51m2 stops
$1,458Finnair
Find Deal
Fri, Jun 6 - Thu, Jun 26
7:00 am - 5:25 amSTL-BKK
34h 25m2 stops
7:05 am - 6:25 pmBKK-STL
47h 20m2 stops
$1,564Finnair
Find Deal
Sun, Jun 1 - Sun, Jun 15
8:31 pm - 12:45 amSTL-BKK
39h 14m3 stops
Mon, Jan 20
5:40 am - 5:05 amSTL-BKK
34h 25m2 stops
$589Japan Airlines
Find Deal
Mon, Jan 20
8:34 pm - 10:35 pmSTL-BKK
37h 01m3 stops
Thu, Jan 9
2:49 pm - 11:10 amSTL-BKK
31h 21m2 stops
Thu, Jan 9
5:30 am - 11:55 pmSTL-BKK
30h 25m2 stops
$949United Airlines
Find Deal
Tue, Jun 3
6:25 am - 5:10 amSTL-BKK
33h 45m2 stops
$4,018ANA
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Thu, Jan 2
11:30 am - 5:10 amSTL-BKK
28h 40m2 stops
$9,172ANA
Find Deal
Wed, Jan 8
6:00 pm - 6:05 pmSTL-BKK
59h 05m3 stops
$13,167
Find Deal
Wed, Jan 8
7:00 am - 6:40 amSTL-BKK
34h 40m3 stops
$14,056Alaska Airlines
Find Deal
Thu, Jan 2
7:00 am - 11:40 pmSTL-BKK
27h 40m2 stops
3:50 pm - 1:24 pmBKK-STL
34h 34m2 stops
$1,983
Find Deal
Wed, Dec 11 - Fri, Dec 13
3:45 pm - 5:55 amSTL-BKK
25h 10m2 stops
12:50 pm - 11:30 amBKK-STL
35h 40m3 stops
$2,088
Find Deal
Wed, Dec 11 - Fri, Dec 13
3:45 pm - 8:10 amSTL-BKK
27h 25m3 stops
12:50 pm - 11:30 amBKK-STL
35h 40m3 stops
$2,224
Find Deal
Wed, Dec 11 - Fri, Dec 13
3:45 pm - 11:50 amSTL-BKK
31h 05m3 stops
10:05 pm - 4:25 pmBKK-STL
31h 20m3 stops
$2,258
Find Deal
Fri, Dec 13 - Sun, Dec 15
6:15 am - 5:10 amSTL-BKK
33h 55m2 stops
10:50 pm - 4:38 pmBKK-STL
30h 48m2 stops
$2,263ANA
Find Deal
Sat, Dec 14 - Mon, Dec 16
3:45 pm - 11:50 amSTL-BKK
31h 05m3 stops
5:55 pm - 12:10 pmBKK-STL
31h 15m3 stops
$2,300
Find Deal
Fri, Dec 13 - Sat, Dec 21
7:00 am - 11:10 amSTL-BKK
39h 10m2 stops
5:10 pm - 1:24 pmBKK-STL
33h 14m2 stops
$2,314
Find Deal
Sat, Dec 14 - Mon, Dec 16
3:45 pm - 11:50 amSTL-BKK
31h 05m3 stops
10:05 pm - 11:26 amBKK-STL
26h 21m2 stops
$2,413
Find Deal
Fri, Dec 13 - Sun, Dec 15
6:00 am - 11:20 pmSTL-BKK
28h 20m2 stops
10:05 pm - 12:12 amBKK-STL
39h 07m2 stops
$2,513
Find Deal
Fri, Dec 13 - Sun, Dec 15
11:43 am - 12:10 amSTL-BKK
23h 27m2 stops
4:55 pm - 5:58 pmBKK-STL
38h 03m2 stops
$2,543Cathay Pacific
Find Deal
Fri, Dec 13 - Sat, Dec 21

Cathay Pacific flights from St. Louis to Bangkok

Our best Cathay Pacific deals on St. Louis to Bangkok flight tickets
Cathay Pacific
Jan 20
STL6:03 amLambert-St Louis
27h 32m
2 stops
BKK10:35 pmBangkok Suvarnabhumi
Feb 20
BKK11:40 amBangkok Suvarnabhumi
24h 28m
2 stops
STL11:08 pmLambert-St Louis
Cathay Pacific
Jan 8
STL6:00 pmLambert-St Louis
53h 05m
2 stops
BKK12:05 pmBangkok Suvarnabhumi
Jan 30
BKK6:40 amBangkok Suvarnabhumi
22h 40m
2 stops
STL4:20 pmLambert-St Louis
Cathay Pacific
Jan 31
STL5:40 amLambert-St Louis
29h 30m
2 stops
BKK12:10 amBangkok Suvarnabhumi
Feb 16
BKK7:15 pmBangkok Suvarnabhumi
40h 53m
2 stops
STL11:08 pmLambert-St Louis

Delta flights from St. Louis to Bangkok

Our best Delta deals on St. Louis to Bangkok flight tickets
Delta
Mar 3
STL6:00 amLambert-St Louis
28h 20m
2 stops
BKK11:20 pmBangkok Suvarnabhumi
Mar 24
BKK9:30 pmBangkok Suvarnabhumi
36h 43m
2 stops
STL10:13 pmLambert-St Louis
Delta
Mar 2
STL6:00 amLambert-St Louis
28h 20m
2 stops
BKK11:20 pmBangkok Suvarnabhumi
Mar 25
BKK1:00 amBangkok Suvarnabhumi
33h 13m
2 stops
STL10:13 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 typical price of a round-trip flight between St. Louis and Bangkok?

What is the cheapest month to fly to Bangkok?

If you aren’t able to travel during the month of September, then book flights to Bangkok from St. Louis during January instead. Flights to Bangkok in January, while not as cheap as those in September, still average around $1,246.

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 $1,348. 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 $1,547. 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 $1,344. 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 $1,757. 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?

We recommend purchasing flights from St. Louis to Bangkok 46 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Bangkok for $1,535. Keep in mind that you might also find cheap flights to Bangkok outside of this time window. In fact, momondo users recently found flights from St. Louis to Bangkok for $1,114.

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

$572

Fastest flight time

23h 28m

Direct flights

None

Airports in Bangkok

1 airport
The best one-way flight to Bangkok from St. Louis in the past 72 hours is $572. The best round-trip flight deal from St. Louis to Bangkok found on momondo in the last 72 hours is $1,091.
The fastest flight from St. Louis to Bangkok takes 23h 28m
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 23h 28m 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 $1,084Free CancellationRating
8.3
1,442 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $1,113Free CancellationRating
7.4
9,107 reviews
Search United Airlines flights
ANAPriceFrom $1,125Free CancellationRating
8.4
833 reviews
Search ANA flights
American AirlinesPriceFrom $1,149Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $1,149Free CancellationRating
8.0
8,656 reviews
Search Delta flights
Turkish AirlinesPriceFrom $1,158Free CancellationRating
7.3
3,919 reviews
Search Turkish Airlines flights
Air CanadaPriceFrom $1,226Free CancellationRating
7.0
8,329 reviews
Search Air Canada flights
FinnairPriceFrom $1,259Free CancellationRating
7.7
1,288 reviews
Search Finnair flights
Cathay PacificPriceFrom $1,265Free CancellationRating
7.6
847 reviews
Search Cathay Pacific flights
Qatar AirwaysPriceFrom $1,319Free CancellationRating
7.5
3,800 reviews
Search Qatar Airways 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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Fly into one of these airports located in Bangkok

Airports listed have a maximum distance of 15.4 mi from Bangkok