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

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

Which city has the cheapest flights to St. Louis?

Based on fares booked in the past 5 days, the cheapest flights to St. Louis are from Bangkok, starting at ฿39,685 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 ฿40,109 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.

What is the cheapest flight to St. Louis?

Bangkok Suvarnabhumi Airport to St. Louis is the cheapest route at ฿39,685 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?

On average, a return flight from Thailand to St. Louis costs ฿43,851, based on KAYAK data over the past 12 months. Return fares from Bangkok average ฿42,283.

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

Thursday is the cheapest day to fly to St. Louis at ฿39,753 return on average over the past 12 months on KAYAK. Tuesday is the most expensive at ฿57,706.

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

Afternoon flights to St. Louis are the cheapest at ฿40,428 return on average. Night flights are the most expensive at ฿57,706.

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

Flights under ฿40,109 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 ฿39,747.

What are the most popular airlines flying to St. Louis?

Japan Airlines is the only airline flying to St. Louis on KAYAK.

฿19,471 CHEAP FLIGHTS to St. Louis in 2026/27

Save 30% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest return flight

฿39,685

Typical prices: ฿40,109-฿57,652

Japan Airlines

Mon 12/11Fri 16/11

BKK - STL • 2 stops

Cheapest one-way flight

฿19,471

Typical prices: ฿21,264-฿29,281

Korean Air

Mon 19/11

BKK - STL • 2 stops

Top airlines

Japan Airlines

Best reviews • 8.3 score

Airline reviews

When to travel

October

Cheapest • 13% price drop

April

Most popular

Good to know

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We hope you enjoy your trip to St. Louis!

Flight Deals

Cheap Flights to St. Louis

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

Return

One-way

All Flight Deals

Recent return flight deals to St. Louis

Thu 12 Nov - Mon 16 Nov

07:55 - 23:59BKK Bangkok Suvarnabhumi-STL Lambert-St Louis

29h 04m2 stops Tokyo Narita Seattle/Tacoma Intl

07:26 - 05:05STL Lambert-St Louis-BKK Bangkok Suvarnabhumi

32h 39m2 stops Chicago O'Hare Intl Tokyo Haneda

฿39,685Japan Airlines

Thu 12 Nov - Mon 16 Nov

07:55 - 23:59BKK Bangkok Suvarnabhumi-STL Lambert-St Louis

29h 04m2 stops Tokyo Narita Seattle/Tacoma Intl

07:26 - 05:05STL Lambert-St Louis-BKK Bangkok Suvarnabhumi

32h 39m2 stops Chicago O'Hare Intl Tokyo Haneda

฿39,719Japan Airlines

Thu 12 Nov - Mon 16 Nov

15:10 - 16:43BKK Bangkok Suvarnabhumi-STL Lambert-St Louis

38h 33m2 stops Hong Kong Intl Chicago O'Hare Intl

06:00 - 00:15STL Lambert-St Louis-BKK Bangkok Suvarnabhumi

29h 15m2 stops Seattle/Tacoma Intl Hong Kong Intl

฿41,339Cathay Pacific

Fri 27 Nov - Fri 4 Dec

13:10 - 14:22BKK Bangkok Suvarnabhumi-STL Lambert-St Louis

38h 12m2 stops Manila Ninoy Aquino Intl Seattle/Tacoma Intl

16:04 - 12:05STL Lambert-St Louis-BKK Bangkok Suvarnabhumi

31h 01m2 stops Seattle/Tacoma Intl Manila Ninoy Aquino Intl

฿45,523Multiple Airlines

Thu 12 Nov - Mon 16 Nov

16:55 - 10:02BKK Bangkok Suvarnabhumi-STL Lambert-St Louis

30h 07m3 stops Hong Kong Intl Los Angeles Houston George Bush Intcntl

10:53 - 11:30STL Lambert-St Louis-BKK Bangkok Suvarnabhumi

35h 37m3 stops Chicago O'Hare Intl Los Angeles Hong Kong Intl

฿49,472United Airlines

Thu 12 Nov - Mon 16 Nov

16:55 - 10:02BKK Bangkok Suvarnabhumi-STL Lambert-St Louis

30h 07m3 stops Hong Kong Intl Los Angeles Houston George Bush Intcntl

10:53 - 11:30STL Lambert-St Louis-BKK Bangkok Suvarnabhumi

35h 37m3 stops Chicago O'Hare Intl Los Angeles Hong Kong Intl

฿49,505United Airlines

Thu 12 Nov - Mon 16 Nov

16:55 - 10:02BKK Bangkok Suvarnabhumi-STL Lambert-St Louis

30h 07m3 stops Hong Kong Intl Los Angeles Houston George Bush Intcntl

13:08 - 11:30STL Lambert-St Louis-BKK Bangkok Suvarnabhumi

33h 22m3 stops Chicago O'Hare Intl Los Angeles Hong Kong Intl

฿49,539United Airlines

Thu 12 Nov - Mon 16 Nov

16:55 - 10:02BKK Bangkok Suvarnabhumi-STL Lambert-St Louis

30h 07m3 stops Hong Kong Intl Los Angeles Houston George Bush Intcntl

19:05 - 11:30STL Lambert-St Louis-BKK Bangkok Suvarnabhumi

27h 25m2 stops San Francisco Hong Kong Intl

฿49,742United Airlines

Thu 12 Nov - Mon 16 Nov

16:55 - 10:02BKK Bangkok Suvarnabhumi-STL Lambert-St Louis

30h 07m3 stops Hong Kong Intl Los Angeles Houston George Bush Intcntl

19:05 - 11:30STL Lambert-St Louis-BKK Bangkok Suvarnabhumi

27h 25m2 stops San Francisco Hong Kong Intl

฿49,775United Airlines

Thu 12 Nov - Mon 16 Nov

16:55 - 10:02BKK Bangkok Suvarnabhumi-STL Lambert-St Louis

30h 07m3 stops Hong Kong Intl Los Angeles Houston George Bush Intcntl

19:05 - 11:30STL Lambert-St Louis-BKK Bangkok Suvarnabhumi

27h 25m2 stops San Francisco Hong Kong Intl

฿49,809United Airlines

All return flight deals to St. Louis

Thu 12 Nov - Mon 16 Nov

07:55 - 23:59BKK Bangkok Suvarnabhumi-STL Lambert-St Louis

29h 04m2 stops Tokyo Narita Seattle/Tacoma Intl

07:26 - 05:05STL Lambert-St Louis-BKK Bangkok Suvarnabhumi

32h 39m2 stops Chicago O'Hare Intl Tokyo Haneda

฿39,685Japan Airlines

Thu 12 Nov - Mon 16 Nov

07:55 - 23:59BKK Bangkok Suvarnabhumi-STL Lambert-St Louis

29h 04m2 stops Tokyo Narita Seattle/Tacoma Intl

07:26 - 05:05STL Lambert-St Louis-BKK Bangkok Suvarnabhumi

32h 39m2 stops Chicago O'Hare Intl Tokyo Haneda

฿39,719Japan Airlines

Thu 12 Nov - Mon 16 Nov

15:10 - 16:43BKK Bangkok Suvarnabhumi-STL Lambert-St Louis

38h 33m2 stops Hong Kong Intl Chicago O'Hare Intl

06:00 - 00:15STL Lambert-St Louis-BKK Bangkok Suvarnabhumi

29h 15m2 stops Seattle/Tacoma Intl Hong Kong Intl

฿41,339Cathay Pacific

Fri 27 Nov - Fri 4 Dec

13:10 - 14:22BKK Bangkok Suvarnabhumi-STL Lambert-St Louis

38h 12m2 stops Manila Ninoy Aquino Intl Seattle/Tacoma Intl

16:04 - 12:05STL Lambert-St Louis-BKK Bangkok Suvarnabhumi

31h 01m2 stops Seattle/Tacoma Intl Manila Ninoy Aquino Intl

฿45,523Multiple Airlines

Thu 12 Nov - Mon 16 Nov

16:55 - 10:02BKK Bangkok Suvarnabhumi-STL Lambert-St Louis

30h 07m3 stops Hong Kong Intl Los Angeles Houston George Bush Intcntl

10:53 - 11:30STL Lambert-St Louis-BKK Bangkok Suvarnabhumi

35h 37m3 stops Chicago O'Hare Intl Los Angeles Hong Kong Intl

฿49,472United Airlines

Thu 12 Nov - Mon 16 Nov

16:55 - 10:02BKK Bangkok Suvarnabhumi-STL Lambert-St Louis

30h 07m3 stops Hong Kong Intl Los Angeles Houston George Bush Intcntl

10:53 - 11:30STL Lambert-St Louis-BKK Bangkok Suvarnabhumi

35h 37m3 stops Chicago O'Hare Intl Los Angeles Hong Kong Intl

฿49,505United Airlines

Thu 12 Nov - Mon 16 Nov

16:55 - 10:02BKK Bangkok Suvarnabhumi-STL Lambert-St Louis

30h 07m3 stops Hong Kong Intl Los Angeles Houston George Bush Intcntl

13:08 - 11:30STL Lambert-St Louis-BKK Bangkok Suvarnabhumi

33h 22m3 stops Chicago O'Hare Intl Los Angeles Hong Kong Intl

฿49,539United Airlines

Thu 12 Nov - Mon 16 Nov

16:55 - 10:02BKK Bangkok Suvarnabhumi-STL Lambert-St Louis

30h 07m3 stops Hong Kong Intl Los Angeles Houston George Bush Intcntl

19:05 - 11:30STL Lambert-St Louis-BKK Bangkok Suvarnabhumi

27h 25m2 stops San Francisco Hong Kong Intl

฿49,742United Airlines

Thu 12 Nov - Mon 16 Nov

16:55 - 10:02BKK Bangkok Suvarnabhumi-STL Lambert-St Louis

30h 07m3 stops Hong Kong Intl Los Angeles Houston George Bush Intcntl

19:05 - 11:30STL Lambert-St Louis-BKK Bangkok Suvarnabhumi

27h 25m2 stops San Francisco Hong Kong Intl

฿49,775United Airlines

Thu 12 Nov - Mon 16 Nov

16:55 - 10:02BKK Bangkok Suvarnabhumi-STL Lambert-St Louis

30h 07m3 stops Hong Kong Intl Los Angeles Houston George Bush Intcntl

19:05 - 11:30STL Lambert-St Louis-BKK Bangkok Suvarnabhumi

27h 25m2 stops San Francisco Hong Kong Intl

฿49,809United Airlines

Booking Insights

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

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

Prices

Airlines

What is the cheapest flight to St. Louis?: Bangkok Suvarnabhumi Airport to St. Louis is the cheapest route at ฿39,685 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? Average and cheapest price for all return flights to St. Louis from each origin found by users searching on KAYAK in the last 12 months.: On average, a return flight from Thailand to St. Louis costs ฿43,851, based on KAYAK data over the past 12 months. Return fares from Bangkok average ฿42,283.
What is the cheapest day to fly to St. Louis?: Thursday is the cheapest day to fly to St. Louis at ฿39,753 return on average over the past 12 months on KAYAK. Tuesday is the most expensive at ฿57,706.
What is the cheapest time of day to fly to St. Louis? Average price for all return flights depending on time of departure, seen by users on KAYAK in the last 12 months.: Afternoon flights to St. Louis are the cheapest at ฿40,428 return on average. Night flights are the most expensive at ฿57,706.
What is a good deal for flights to St. Louis?: Flights under ฿40,109 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 ฿39,747.

Find deals

Low season	July
High season	April
Cheapest flight	฿19,471

Beat the crowds with an average 91% drop in travellers.

The most popular month to fly with an average 98% increase in travellers.

One-way flight 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

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. The information is for flights to St. Louis based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

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 ฿40,109 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.
How far is Lambert-St Louis from St. Louis city centre?
Lambert-St Louis is 21.1 km from St. Louis city centre.
Which city has the cheapest flights to St. Louis?
Based on fares booked in the past 5 days, the cheapest flights to St. Louis are from Bangkok, starting at ฿39,685 return.
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.

For flights to St. Louis, a good return fare is around ฿40,109. If you find a fare below that, you're getting a strong deal.
If your travel dates are flexible, consider flying to St. Louis in October. Return fares historically average ฿37,964, making October the cheapest month to travel based on KAYAK data from 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 ฿17,278 on a return flight. Midday flights to St. Louis average ฿40,428 compared to ฿57,706 for evening flights.

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Everything you should know

Cheap Flights to St. Louis

Recent return flight deals to St. Louis

Recent one-way flight deals to St. Louis

All return flight deals to St. Louis

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

What is the cheapest flight to St. Louis?

How much is a flight to St. Louis?

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

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

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

What are the most popular airlines flying to St. Louis?

Key details for flights to St. Louis

Low season

High season

Cheapest flight

When to book flights to St. Louis

Your questions about flights to St. Louis, answered

Your guide to booking St. Louis flights

More options for your flight to St. Louis

Complete your trip to St. Louis with a hotel stay or car hire

Information on the airport you'll fly into in St. Louis

Cabin class types available on flights to St. Louis

Flights from local origins to St. Louis

Flights to other popular destinations

Find deals for your return flight