STL

฿19,261 Find Cheap Flights to St. Louis – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
฿38,124
Typical prices: ฿39,500-฿54,885
Multiple Airlines
Sat 29/9Wed 3/10
BKK - STL • 2 stops
Cheapest one-way flight
฿19,261
Typical prices: ฿20,770-฿28,865
Multiple Airlines
Fri 26/10
BKK - STL • 3 stops
Top airlines
Japan Airlines
Best reviews • 8.3 score
Airline reviews
Airline reviews
When to travel
February
Cheapest • 28% price drop
April
Most popular
Good to know
+1
Good to know
+1
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We hope you enjoy your trip to St. Louis!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights to St. Louis

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals to St. Louis

Sat 31 Oct - Sat 7 Nov
Multiple Airlines Logo
13:45 - 15:25BKK  Bangkok Suvarnabhumi-STL Lambert-St Louis
37h 40m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl
Multiple Airlines Logo
06:00 - 12:35STL  Lambert-St Louis-BKK Bangkok Suvarnabhumi
41h 35m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl
฿37,924Multiple Airlines
Tue 29 Sep - Sat 3 Oct
Multiple Airlines Logo
11:00 - 08:20BKK  Bangkok Suvarnabhumi-STL Lambert-St Louis
33h 20m2 stops Hong Kong Intl Boston Logan Intl
Multiple Airlines Logo
11:01 - 00:10STL  Lambert-St Louis-BKK Bangkok Suvarnabhumi
25h 09m2 stops Chicago O'Hare Intl Hong Kong Intl
฿38,124Multiple Airlines
Sun 17 Jan - Fri 14 May
Multiple Airlines Logo
10:55 - 12:15BKK  Bangkok Suvarnabhumi-STL Lambert-St Louis
38h 20m3 stops Taipei City Taiwan Taoyuan Intl Phoenix Sky Harbor Intl Chicago Midway
Multiple Airlines Logo
05:05 - 09:45STL  Lambert-St Louis-BKK Bangkok Suvarnabhumi
40h 40m3 stops Las Vegas Harry Reid Intl Los Angeles Taipei City Taiwan Taoyuan Intl
฿40,253Multiple Airlines
Sun 17 Jan - Fri 14 May
Multiple Airlines Logo
10:55 - 09:30BKK  Bangkok Suvarnabhumi-STL Lambert-St Louis
35h 35m2 stops Taipei City Taiwan Taoyuan Intl Phoenix Sky Harbor Intl
Multiple Airlines Logo
05:05 - 09:45STL  Lambert-St Louis-BKK Bangkok Suvarnabhumi
40h 40m3 stops Las Vegas Harry Reid Intl Los Angeles Taipei City Taiwan Taoyuan Intl
฿40,253Multiple Airlines
Sun 17 Jan - Fri 14 May
Multiple Airlines Logo
10:55 - 12:15BKK  Bangkok Suvarnabhumi-STL Lambert-St Louis
38h 20m3 stops Taipei City Taiwan Taoyuan Intl Phoenix Sky Harbor Intl Chicago Midway
Multiple Airlines Logo
05:05 - 09:45STL  Lambert-St Louis-BKK Bangkok Suvarnabhumi
40h 40m3 stops Las Vegas Harry Reid Intl Los Angeles Taipei City Taiwan Taoyuan Intl
฿40,319Multiple Airlines
Sun 17 Jan - Fri 14 May
Multiple Airlines Logo
10:55 - 09:30BKK  Bangkok Suvarnabhumi-STL Lambert-St Louis
35h 35m2 stops Taipei City Taiwan Taoyuan Intl Phoenix Sky Harbor Intl
Multiple Airlines Logo
05:05 - 09:45STL  Lambert-St Louis-BKK Bangkok Suvarnabhumi
40h 40m3 stops Las Vegas Harry Reid Intl Los Angeles Taipei City Taiwan Taoyuan Intl
฿40,319Multiple Airlines
Sun 17 Jan - Fri 14 May
Multiple Airlines Logo
10:55 - 09:30BKK  Bangkok Suvarnabhumi-STL Lambert-St Louis
35h 35m2 stops Taipei City Taiwan Taoyuan Intl Phoenix Sky Harbor Intl
Multiple Airlines Logo
08:30 - 09:45STL  Lambert-St Louis-BKK Bangkok Suvarnabhumi
37h 15m2 stops San Francisco Taipei City Taiwan Taoyuan Intl
฿41,251Multiple Airlines
Sun 17 Jan - Fri 14 May
Multiple Airlines Logo
10:55 - 09:30BKK  Bangkok Suvarnabhumi-STL Lambert-St Louis
35h 35m2 stops Taipei City Taiwan Taoyuan Intl Phoenix Sky Harbor Intl
Multiple Airlines Logo
08:30 - 09:45STL  Lambert-St Louis-BKK Bangkok Suvarnabhumi
37h 15m2 stops San Francisco Taipei City Taiwan Taoyuan Intl
฿41,351Multiple Airlines
Sat 31 Oct - Sat 7 Nov
Multiple Airlines Logo
17:50 - 15:25BKK  Bangkok Suvarnabhumi-STL Lambert-St Louis
33h 35m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl
Multiple Airlines Logo
05:50 - 13:05STL  Lambert-St Louis-BKK Bangkok Suvarnabhumi
42h 15m3 stops Dallas Love Field Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl
฿42,082Multiple Airlines
Mon 26 Oct - Sat 31 Oct
Qatar Airways Logo
00:25 - 23:46HKT  Phuket City-STL Lambert-St Louis
35h 21m2 stops Doha Hamad Intl Los Angeles
Qatar Airways Logo
06:04 - 06:50STL  Lambert-St Louis-HKT Phuket City
36h 46m2 stops Los Angeles Doha Hamad Intl
฿48,436Qatar Airways
Booking Insights

Price, demand, and travel trends for Thailand to St. Louis flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Thailand to St. Louis with more confidence.

What is the cheapest flight to St. Louis?

Bangkok Suvarnabhumi Airport to St. Louis is the cheapest route at ฿38,124 return, found in the past 5 days on KAYAK. KAYAK data shows this is also the most popular route.

How much is a flight to St. Louis?

A return flight to St. Louis costs ฿43,854 on average, based on data over the past 12 months on KAYAK. Return fares from Bangkok Suvarnabhumi Airport average ฿42,639.

What is the cheapest day to fly to St. Louis?

Sunday is the cheapest day to fly to St. Louis at ฿37,425 return on average over the past 12 months on KAYAK. Tuesday is the most expensive at ฿56,886.

What is the cheapest time of day to fly to St. Louis?

Afternoon flights to St. Louis are the cheapest at ฿40,153 return on average. Night flights are the most expensive at ฿56,454.

What is a good deal for flights to St. Louis?

Flights under ฿39,500 are considered a good deal. 25% of KAYAK users found return flights to St. Louis at or below these prices, with the lowest fares from:

  • Bangkok Suvarnabhumi Airport ฿39,186
.

Find deals

Key details for flights to St. Louis

Low season

January

Cheapest flight

฿19,261
Most popular time to fly and prices are also 9% lower on average.
Flights from Bangkok Suvarnabhumi Airport to St. Louis

When to book flights to St. Louis

Are your dates flexible? Find out the best times to travel to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your questions about flights to St. Louis, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • What is the difference between the most popular and the most frequent airline at St. Louis?

    Thai Airways operates the most flights from Thailand to St. Louis at 0 per week, while Japan Airlines is the airline most often selected by KAYAK users searching for flights from Thailand to St. Louis. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveller choice.

  • How far is Lambert-St Louis from St. Louis city centre?

    Lambert-St Louis is 21.1 km from St. Louis city centre.

  • Where can I fly from to get the cheapest fares to St. Louis?

    Based on fares booked in the past 5 days, the cheapest flights to St. Louis are from:
    • Bangkok, from ฿38,124 return

  • How do I know if a flight to St. Louis is a good deal?

    A good deal on a flight to St. Louis is around ฿39,500 return. This fare is in the lowest 25% of return flight prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

  • Which airlines should I consider for flights to St. Louis?

    Japan Airlines is the most popular airline for KAYAK users flying to St. Louis and has the best on-time record at the destination's main airport.

Your guide to booking St. Louis flights

From booking to airport arrival, find tips to help you plan your flight with more confidence.
  • For flights to St. Louis, recent KAYAK data shows that stronger deals tend to be around ฿39,500 return. If you see a fare below that threshold, it's a good deal – book before the price climbs back up.
  • If you can choose when to go, aim to travel to St. Louis in February. Return fares historically average ฿31,670 that month – typically the cheapest month to travel based on the last 12 months.
  • Before you book:

    • Check the route's typical price range so you can spot a deal.
    • Confirm baggage fees and seat selection costs on budget carriers.
    • Verify whether you need any travel documents beyond an ID.
    • Pick a departure airport, since your nearest may not be the cheapest origin.
  • Shift your departure to midday to save up to ฿16,301 per return. Midday flights to St. Louis average ฿40,153 compared to ฿56,454 for evening flights. See the time-of-day chart above for the full breakdown.

More options for your flight to St. Louis