×
LOGIN OR SIGNUP

St Louis To Bangkok Flights

  • One-Way
  • Round-Trip
  • Multi-City

From

Indira Gandhi International Airport

To

Chhatrapati Shivaji International Airport

DEPARTURE DATE

calender

Friday

Return Date

Book a round trip
to save more

calender

TRAVELLER & CLASS

1 Traveller

Economy

December
January
February
March
April
August
September
October
November

December is by far the best month, wherein you can get cheapest flights for St Louis to Bangkok. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.

disclDisclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Best Flight From St Louis To Bangkok

American Airlines
American Airlines

STL

18:44

St Louis

St Louis Lambert International Airport

Mon , 12 Jan 2026

40h 31m
ellipse
2 Stop

BKK

00:15

Bangkok

Suvarnabhumi Airport

Thu, 15 Jan 2026

£685
American Airlines
American Airlines

STL

11:05

St Louis

St Louis Lambert International Airport

Mon , 12 Jan 2026

24h 10m
ellipse
2 Stop

BKK

00:15

Bangkok

Suvarnabhumi Airport

Wed, 14 Jan 2026

£819
Japan AirLines
Japan AirLines

STL

06:00

St Louis

St Louis Lambert International Airport

Mon , 12 Jan 2026

28h 35m
ellipse
2 Stop

BKK

23:35

Bangkok

Suvarnabhumi Airport

Tue, 13 Jan 2026

£909
Cathay Pacific airways
Cathay Pacific airways

STL

11:05

St Louis

St Louis Lambert International Airport

Mon , 12 Jan 2026

24h 10m
ellipse
2 Stop

BKK

00:15

Bangkok

Suvarnabhumi Airport

Wed, 14 Jan 2026

£920
Air France
Air France

STL

15:45

St Louis

St Louis Lambert International Airport

Mon , 12 Jan 2026

26h 45m
ellipse
2 Stop

BKK

07:30

Bangkok

Suvarnabhumi Airport

Wed, 14 Jan 2026

£1134
Japan AirLines
Japan AirLines

STL

07:15

St Louis

St Louis Lambert International Airport

Mon , 12 Jan 2026

27h 20m
ellipse
2 Stop

BKK

23:35

Bangkok

Suvarnabhumi Airport

Tue, 13 Jan 2026

£1161
Emirates
Emirates

STL

15:11

St Louis

St Louis Lambert International Airport

Mon , 12 Jan 2026

38h 29m
ellipse
2 Stop

BKK

18:40

Bangkok

Suvarnabhumi Airport

Wed, 14 Jan 2026

£1381
Delta Airlines
Delta Airlines

STL

07:00

St Louis

St Louis Lambert International Airport

Mon , 12 Jan 2026

25h 30m
ellipse
2 Stop

BKK

21:30

Bangkok

Suvarnabhumi Airport

Tue, 13 Jan 2026

£1446
Emirates
Emirates

STL

15:11

St Louis

St Louis Lambert International Airport

Mon , 12 Jan 2026

27h 24m
ellipse
2 Stop

BKK

07:35

Bangkok

Suvarnabhumi Airport

Wed, 14 Jan 2026

£1499
Air Canada
Air Canada

STL

16:05

St Louis

St Louis Lambert International Airport

Mon , 12 Jan 2026

24h 40m
ellipse
2 Stop

BKK

05:45

Bangkok

Suvarnabhumi Airport

Wed, 14 Jan 2026

£3348
Alaska Airlines
Alaska Airlines

STL

14:50

St Louis

St Louis Lambert International Airport

Mon , 12 Jan 2026

30h 00m
ellipse
2 Stop

BKK

09:50

Bangkok

Suvarnabhumi Airport

Wed, 14 Jan 2026

£4837
ellipse

Early Morning Flight St Louis to Bangkok

wallet
Cheapest Flight
Found
£909
group
Average Flight
Time
28h 35m
calendra
Date/Time
12 Jan 2026
06:00 AM
plane
Airlines
Japan AirLines
Ellipse

Late Night Flight St Louis to Bangkok

wallet
Cheapest Flight
Found
£685
group
Average Flight
Time
40h 31m
calendar
Date/Time
12 Jan 2026
18:44 PM
plane
Airlines
American Airlines

Flights from St Louis to Bangkok with Easemytrip

Flying from St Louis to Bangkok has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.

The air route between St Louis to Bangkok is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between St Louis Lambert International Airport (STL) and Suvarnabhumi Airport (BKK). You can expect a flight distance of approximately 14071 km, and most direct services cover it in around 17:52.

Let’s take a closer look at everything you need to know before booking your flight from St Louis to Bangkok.

Travel Overview: St Louis to Bangkok

Flight Details Information
Route Distance 14071 km
Average Flight Time 17:52 hrs
Departure Airport St Louis Lambert International Airport (STL)
Arrival Airport Suvarnabhumi Airport (BKK)
Cabin Classes Available Economy Class, Premium Economy, Business Class, First Class
Direct Flights NO
Common Airlines American Airlines, Japan AirLines, Cathay Pacific airways, Air France

The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.

Read more

FAQs about flights from St Louis to Bangkok

Are there direct flights from St Louis to Bangkok?

How early should I book?

Which airlines offer the most frequent service?

Is it cheaper to fly round-trip or one-way?

Can I mix airlines for departure and return?

Is it possible to change or cancel my booking after confirmation?

Can I book additional baggage or in-flight services in advance?