STL - BKK

฿18,892 Find Cheap Flights from St. Louis to Bangkok – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Suvarnabhumi departing on 8/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Bangkok Suvarnabhumi Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Bangkok, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Bangkok, as well as popular online travel agencies
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Everything you should know

Cheapest return fare
฿33,199
Typical prices: ฿44,380-฿33,330
เอทิฮัดแอร์เวย์
Thu 20/8Wed 18/11
STL - BKK • 2 stops
Cheapest one-way flight
฿18,892
Multiple Airlines
Sat 8/8
STL - BKK • 3 stops
Direct flights
Not available
There are currently no direct flights between St. Louis and Suvarnabhumi. You’ll need at least 2 connections.
Insights
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When to book
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 11% compared to booking last minute.
Insights
Insights
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Insights
When to travel
Cheapest • 20% price drop
Most popular
Good to know
Good to know
+1
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Good to know
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Suvarnabhumi!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from St. Louis to Bangkok (STL-BKK)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from St. Louis to Bangkok that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from St. Louis to Suvarnabhumi

Thu 20 Aug - Wed 18 Nov
เอทิฮัดแอร์เวย์ Logo
08:34 - 23:50
STL
-
BKK
27h 16m
2 stops
เอทิฮัดแอร์เวย์ Logo
20:50 - 13:17
BKK
-
STL
29h 27m
2 stops
฿33,199เอทิฮัดแอร์เวย์
Thu 20 Aug - Wed 18 Nov
เอทิฮัดแอร์เวย์ Logo
10:22 - 06:45
STL
-
BKK
32h 23m
2 stops
เอทิฮัดแอร์เวย์ Logo
14:40 - 13:17
BKK
-
STL
35h 37m
2 stops
฿33,363เอทิฮัดแอร์เวย์
Wed 2 Sep - Fri 18 Sep
เอทิฮัดแอร์เวย์ Logo
08:34 - 23:50
STL
-
BKK
27h 16m
2 stops
เอทิฮัดแอร์เวย์ Logo
03:15 - 08:20
BKK
-
STL
41h 05m
2 stops
฿33,429เอทิฮัดแอร์เวย์
Thu 20 Aug - Wed 18 Nov
เอทิฮัดแอร์เวย์ Logo
09:44 - 23:50
STL
-
BKK
26h 06m
2 stops
เอทิฮัดแอร์เวย์ Logo
20:50 - 13:17
BKK
-
STL
29h 27m
2 stops
฿33,494เอทิฮัดแอร์เวย์
Thu 13 Aug - Sat 22 Aug
เอทิฮัดแอร์เวย์ Logo
06:00 - 23:50
STL
-
BKK
29h 50m
2 stops
เอทิฮัดแอร์เวย์ Logo
15:55 - 12:54
BKK
-
STL
32h 59m
2 stops
฿33,559เอทิฮัดแอร์เวย์
Wed 2 Sep - Fri 18 Sep
เอทิฮัดแอร์เวย์ Logo
06:54 - 23:50
STL
-
BKK
28h 56m
2 stops
เอทิฮัดแอร์เวย์ Logo
03:15 - 08:20
BKK
-
STL
41h 05m
2 stops
฿33,592เอทิฮัดแอร์เวย์
Wed 2 Sep - Fri 18 Sep
เอทิฮัดแอร์เวย์ Logo
06:54 - 06:45
STL
-
BKK
35h 51m
2 stops
เอทิฮัดแอร์เวย์ Logo
03:15 - 08:20
BKK
-
STL
41h 05m
2 stops
฿33,723เอทิฮัดแอร์เวย์
Sun 11 Oct - Fri 23 Oct
Multiple Airlines Logo
07:35 - 23:50
STL
-
BKK
28h 15m
2 stops
Multiple Airlines Logo
03:15 - 20:08
BKK
-
STL
28h 53m
2 stops
฿33,985Multiple Airlines
Thu 8 Oct - Mon 19 Oct
Multiple Airlines Logo
07:38 - 06:45
STL
-
BKK
35h 07m
2 stops
Multiple Airlines Logo
03:15 - 23:25
BKK
-
STL
32h 10m
2 stops
฿34,182Multiple Airlines
Sun 30 Aug - Sat 5 Sep
เอทิฮัดแอร์เวย์ Logo
13:25 - 12:10
STL
-
BKK
34h 45m
2 stops
เอทิฮัดแอร์เวย์ Logo
15:55 - 17:34
BKK
-
STL
37h 39m
2 stops
฿34,313เอทิฮัดแอร์เวย์
Booking Insights

KAYAK's insights & trends for St. Louis to Suvarnabhumi flights

Get data-powered insights and trends into flights from St. Louis to Suvarnabhumi to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from St. Louis to Bangkok Suvarnabhumi Airport?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Bangkok Suvarnabhumi Airport departing in August.

What is the cheapest month to fly from St. Louis to Bangkok Suvarnabhumi Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Bangkok Suvarnabhumi Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Bangkok Suvarnabhumi Airport is February, where tickets cost ฿33,396 (return) on average. On the other hand, the most expensive months are December and May, where the average cost of round-trip tickets is ฿49,472 and ฿47,671 respectively.

How far in advance should I book a flight from St. Louis to Bangkok Suvarnabhumi Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from St. Louis to Bangkok Suvarnabhumi Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from St. Louis to Bangkok Suvarnabhumi Airport, you should book around 2 weeks before departure, which saves you about 11% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 15 weeks before departure.

Good to know

Low seasonAugust
Cheapest flight฿18,892
Best time to beat the crowds (6% less expensive on average)
Most popular time to fly and prices are also 1% lower on average.
Flight from St. Louis to Bangkok

When to book flights from St. Louis to Suvarnabhumi

Are your dates flexible? Find out the best times to travel from St. Louis to Suvarnabhumi 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. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking St. Louis to Bangkok flights

  • What is the cheapest flight from St. Louis to Bangkok Suvarnabhumi Airport?

    In the last 3 days, the lowest price for a flight from St. Louis to Bangkok Suvarnabhumi Airport was ฿18,892 for a one-way ticket and ฿33,199 for a return.

  • Which aircraft models fly most regularly from St. Louis to Bangkok?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from St. Louis to Bangkok?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Bangkok.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Bangkok?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Bangkok from St. Louis is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Bangkok?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Bangkok with an airline and back to St. Louis with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Bangkok?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Bangkok from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from St. Louis to Suvarnabhumi

Information on your arrival and departure airports