฿17,734 Find Cheap Flights from St. Louis to Thailand

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 Thailand departing on 2/11. 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

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Best Thailand Flight Deals from St. Louis

Cheapest return prices found by our users on KAYAK in the last 72 hours
Chiang Mai
Chiang Mai2 stops฿47,769
Phuket City
Phuket City2 stops฿34,944
Chiang Mai
Chiang Mai2 stops฿47,769
Phuket City
Phuket City2 stops฿34,944

Cheap Flights from St. Louis to Thailand

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from St. Louis to Thailand 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 Thailand

Thu 20 Aug - Tue 17 Nov
เอทิฮัดแอร์เวย์ Logo
09:21 - 23:50
STL
-
BKK
26h 29m
2 stops
เอทิฮัดแอร์เวย์ Logo
02:55 - 13:17
BKK
-
STL
47h 22m
2 stops
฿33,111เอทิฮัดแอร์เวย์
Thu 20 Aug - Wed 18 Nov
เอทิฮัดแอร์เวย์ Logo
06:54 - 23:50
STL
-
BKK
28h 56m
2 stops
เอทิฮัดแอร์เวย์ Logo
08:30 - 13:17
BKK
-
STL
41h 47m
2 stops
฿33,177เอทิฮัดแอร์เวย์
Thu 20 Aug - Wed 18 Nov
เอทิฮัดแอร์เวย์ Logo
06:54 - 23:50
STL
-
BKK
28h 56m
2 stops
เอทิฮัดแอร์เวย์ Logo
08:30 - 13:17
BKK
-
STL
41h 47m
2 stops
฿33,209เอทิฮัดแอร์เวย์
Sun 25 Oct - Fri 30 Oct
เอทิฮัดแอร์เวย์ Logo
06:02 - 06:35
STL
-
BKK
36h 33m
2 stops
เอทิฮัดแอร์เวย์ Logo
14:40 - 19:02
BKK
-
STL
40h 22m
2 stops
฿33,308เอทิฮัดแอร์เวย์
Sun 11 Oct - Sat 24 Oct
Multiple Airlines Logo
09:38 - 23:50
STL
-
BKK
26h 12m
2 stops
Multiple Airlines Logo
21:00 - 20:08
BKK
-
STL
35h 08m
2 stops
฿33,962Multiple Airlines
Thu 20 Aug - Wed 18 Nov
Multiple Airlines Logo
16:54 - 12:10
STL
-
BKK
31h 16m
2 stops
Multiple Airlines Logo
20:50 - 16:18
BKK
-
STL
32h 28m
2 stops
฿33,995Multiple Airlines
Sun 13 Sep - Thu 17 Sep
Qatar Airways Logo
06:00 - 07:45
STL
-
HKT
37h 45m
2 stops
Qatar Airways Logo
20:30 - 23:59
HKT
-
STL
39h 29m
2 stops
฿43,810Qatar Airways
Mon 17 Aug - Mon 24 Aug
Cathay Pacific Logo
15:32 - 10:50
STL
-
HKT
31h 18m
2 stops
Cathay Pacific Logo
11:50 - 23:42
HKT
-
STL
47h 52m
2 stops
฿45,741Cathay Pacific
Mon 29 Jun - Mon 6 Jul
Qatar Airways Logo
09:39 - 18:50
STL
-
HKT
45h 11m
2 stops
Qatar Airways Logo
09:20 - 19:21
HKT
-
STL
46h 01m
2 stops
฿48,162Qatar Airways
Wed 1 Jul - Thu 16 Jul
Cathay Pacific Logo
17:03 - 10:50
STL
-
HKT
53h 47m
2 stops
Cathay Pacific Logo
11:50 - 19:26
HKT
-
STL
43h 36m
2 stops
฿59,286Cathay Pacific
Booking Insights

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

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

What is the cheapest month to fly from St. Louis to Thailand?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Thailand, 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 Thailand is February, when tickets cost ฿5,464 (return) on average. On the other hand, the most expensive months are June and May, when the average cost of return tickets is ฿39,590 and ฿36,579 respectively.

How far in advance should I book a flight from St. Louis to Thailand?

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 Thailand, 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 a flight from St. Louis to Thailand, you should book around 2 weeks before departure, which saves you about 13% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 15 weeks before departure.

Find deals

Good to know

Low seasonAugust
Cheapest flight฿17,734
Best time to beat the crowds (12% less expensive on average)
Most popular time to fly and prices are also 3% lower on average.
Flight from St. Louis to Bangkok

FAQs - booking Thailand flights

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

    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 Thailand.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from St. Louis to Thailand 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 Thailand?

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

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

    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 from St. Louis to Thailand 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 Thailand

Information on your arrival and departure airports

St. Louis (STL)