How long does it take to fly to St. Louis?

Flight times from Thailand to St. Louis vary, but if you’re flying out of Phuket City and flying into St. Louis (one of the most popular routes), then the duration is 26h 02m on average. Another popular route from Thailand to St. Louis is flying from Bangkok to St. Louis, which will take roughly 34h 16m. Keep in mind that layovers or delays could extend your travel time.

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

Prices for flights from Thailand to Lambert-St Louis Airport refresh daily.

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

As of August 2025, there are 2 operators available to choose from for flights from Thailand to Lambert-St Louis Airport.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Thailand to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$955 Cheap Flights from Thailand to St. Louis in 2025

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Find the cheapest flights from Thailand to St. Louis

Round-trip

One-way

Last minute

Recent round-trip flight deals from Thailand to St. Louis

12:25 am - 10:59 pmBKK-STL

34h 34m2 stops

9:56 am - 5:50 amSTL-BKK

55h 54m2 stops

$955Japan Airlines

Find Deal

Fri, Sep 12 - Sat, Oct 4

12:25 am - 11:09 pmBKK-STL

34h 44m2 stops

9:56 am - 11:00 pmSTL-BKK

25h 04m2 stops

$983Japan Airlines

Find Deal

Sun, Aug 31 - Sun, Sep 21

9:45 am - 11:09 pmBKK-STL

49h 24m2 stops

9:56 am - 11:00 pmSTL-BKK

25h 04m2 stops

$986Japan Airlines

Find Deal

Mon, Sep 1 - Sun, Sep 21

1:20 am - 7:57 pmBKK-STL

54h 37m2 stops

1:30 pm - 11:10 pmSTL-BKK

45h 40m2 stops

$1,055Air Canada

Find Deal

Tue, Sep 16 - Wed, Sep 24

7:45 am - 3:18 pmBKK-STL

43h 33m2 stops

1:30 pm - 11:10 pmSTL-BKK

45h 40m2 stops

$1,067Air Canada

Find Deal

Wed, Sep 17 - Wed, Sep 24

3:10 pm - 11:59 pmBKK-STL

44h 49m2 stops

3:57 pm - 1:05 pmSTL-BKK

33h 08m2 stops

$1,112EVA Air

Find Deal

Sat, Sep 13 - Sat, Oct 4

10:50 am - 2:39 pmBKK-STL

39h 49m2 stops

3:57 pm - 1:05 pmSTL-BKK

33h 08m2 stops

$1,148

Find Deal

Sat, Sep 27 - Sat, Oct 25

2:40 am - 2:39 pmBKK-STL

47h 59m2 stops

6:33 am - 1:05 pmSTL-BKK

42h 32m2 stops

$1,156

Find Deal

Fri, Sep 26 - Sat, Oct 25

11:20 pm - 11:01 pmHKT-STL

35h 41m2 stops

6:00 am - 9:40 pmSTL-HKT

26h 40m2 stops

$1,389Delta

Find Deal

Thu, Oct 30 - Mon, Nov 3

11:20 pm - 1:22 pmHKT-STL

26h 02m2 stops

1:30 pm - 9:40 pmSTL-HKT

43h 10m2 stops

$1,399Delta

Find Deal

Thu, Oct 30 - Mon, Nov 3

Japan Airlines flights from Thailand to St. Louis

Our best Japan Airlines deals on Thailand to St. Louis flight tickets

Japan Airlines

Sep 12

BKK12:25 amBangkok Suvarnabhumi

34h 34m

2 stops

STL10:59 pmLambert-St Louis

Oct 4

STL9:56 amLambert-St Louis

55h 54m

2 stops

BKK5:50 amBangkok Suvarnabhumi

$955

Find similar

Japan Airlines

Aug 31

BKK12:25 amBangkok Suvarnabhumi

34h 44m

2 stops

STL11:09 pmLambert-St Louis

Sep 21

STL9:56 amLambert-St Louis

25h 04m

2 stops

BKK11:00 pmBangkok Suvarnabhumi

$983

Find similar

Japan Airlines

Sep 1

BKK9:45 amBangkok Suvarnabhumi

49h 24m

2 stops

STL11:09 pmLambert-St Louis

Sep 21

STL9:56 amLambert-St Louis

25h 04m

2 stops

BKK11:00 pmBangkok Suvarnabhumi

$986

Find similar

Delta flights from Thailand to St. Louis

Our best Delta deals on Thailand to St. Louis flight tickets

Delta

Oct 30

HKT11:20 pmPhuket City

35h 41m

2 stops

STL11:01 pmLambert-St Louis

Nov 3

STL6:00 amLambert-St Louis

26h 40m

2 stops

HKT9:40 pmPhuket City

$1,389

Find similar

Delta

Oct 30

HKT11:20 pmPhuket City

26h 02m

2 stops

STL1:22 pmLambert-St Louis

Nov 3

STL1:30 pmLambert-St Louis

43h 10m

2 stops

HKT9:40 pmPhuket City

$1,399

Find similar

Delta

Aug 10

BKK2:35 amBangkok Suvarnabhumi

34h 03m

2 stops

STL12:38 amLambert-St Louis

Aug 18

STL6:00 amLambert-St Louis

31h 05m

2 stops

BKK1:05 amBangkok Suvarnabhumi

$1,480

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Fri 9/12

12:25 am-10:59 pm

2 stops34h 34m

Lambert-St Louis

Sat 10/4

9:56 am-5:50 am

2 stops55h 54m

$955

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 8/31

12:25 am-11:09 pm

2 stops34h 44m

Lambert-St Louis

Sun 9/21

9:56 am-11:00 pm

2 stops25h 04m

$983

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 9/1

9:45 am-11:09 pm

2 stops49h 24m

Lambert-St Louis

Sun 9/21

9:56 am-11:00 pm

2 stops25h 04m

$986

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Tue 9/16

1:20 am-7:57 pm

2 stops54h 37m

Lambert-St Louis

Wed 9/24

1:30 pm-11:10 pm

2 stops45h 40m

$1,055

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Wed 9/17

7:45 am-3:18 pm

2 stops43h 33m

Lambert-St Louis

Wed 9/24

1:30 pm-11:10 pm

2 stops45h 40m

$1,067

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 9/13

3:10 pm-11:59 pm

2 stops44h 49m

Lambert-St Louis

Sat 10/4

3:57 pm-1:05 pm

2 stops33h 08m

$1,112

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 9/27

10:50 am-2:39 pm

2 stops39h 49m

Lambert-St Louis

Sat 10/25

3:57 pm-1:05 pm

2 stops33h 08m

$1,148

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Fri 9/26

2:40 am-2:39 pm

2 stops47h 59m

Lambert-St Louis

Sat 10/25

6:33 am-1:05 pm

2 stops42h 32m

$1,156

Phuket CitySt. Louis

HKT - STL

HKTSTL

Phuket City

Thu 10/30

11:20 pm-11:01 pm

2 stops35h 41m

Lambert-St Louis

Mon 11/3

6:00 am-9:40 pm

2 stops26h 40m

$1,389

Phuket CitySt. Louis

HKT - STL

HKTSTL

Phuket City

Thu 10/30

11:20 pm-1:22 pm

2 stops26h 02m

Lambert-St Louis

Mon 11/3

1:30 pm-9:40 pm

2 stops43h 10m

$1,399

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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

Prices

Other information

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $1,120. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $1,375. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Thailand in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,245 when looking at flights departing in the morning. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $1,251 per ticket.

Cheap Thailand to St. Louis flight deals and tips

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

Best Price Found	$955
Fastest flight time	23h 29m
Direct flights	None
Airports in St. Louis	1 airport

The best flight deal from Thailand to St. Louis found on momondo in the last 72 hours is $955

The fastest flight from Thailand to St. Louis takes 23h 29m

There are no direct flights from Thailand to St. Louis. Popular non-direct routes for this connection are Phuket City Airport - Lambert-St Louis Airport and Bangkok Suvarnabhumi Airport - Lambert-St Louis Airport.

There is 1 airport near St. Louis: Lambert-St Louis (STL)

Search flight deals

When did momondo last update prices for flights from Thailand to Lambert-St Louis Airport?
Prices for flights from Thailand to Lambert-St Louis Airport refresh daily.
How many operators does momondo search for flights from Thailand to Lambert-St Louis Airport?
As of August 2025, there are 2 operators available to choose from for flights from Thailand to Lambert-St Louis Airport.
How old do you have to be to fly from Thailand to Lambert-St Louis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Thailand to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Thailand to St. Louis

Compare and see reviews for airlines that fly from Thailand to St. Louis with momondo

Airline	Rating	Free Cancellation	Price
Japan Airlines	PriceFrom $998	Free Cancellation	Rating 8.3 1,543 reviews		Search Japan Airlines flights
Air Canada	PriceFrom $1,015	Free Cancellation	Rating 7.1 9,879 reviews		Search Air Canada flights

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Hermann

Fairview Heights

Maryland Heights

Florissant

Fenton

Collinsville

O'Fallon

Alton

St. Peters

Farmington

Wentzville

Festus

Glencoe

Eureka

Edwardsville

Clayton

Shrewsbury

Grafton

Why use momondo?

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

It is quick and easy to find Thailand to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

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

All flight searches from Thailand to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to St. Louis from Thailand. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Thailand and alert you when they change.