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$487+ Cheap flights from St. Louis (STL) to Thailand

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BKK
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from St. Louis to Thailand

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Thailand (TH0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Find flight deals from St. Louis to Thailand

Cheapest flights from St. Louis to Thailand
Explore the most affordable flight options available from St. Louis to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This EVA Air deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/257:09 amSTL - BKK
2 stops29h 16mMultiple Airlines
Wed 11/275:10 pmBKK - STL
2 stops33h 17mMultiple Airlines
Deal found 11/21$1,333
This Gurufare deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2411:20 amSTL - BKK
2 stops28h 50mANA
Tue 11/2610:50 pmBKK - STL
2 stops34h 01mANA
Deal found 11/20$1,497
This StudentUniverse deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/246:17 amSTL - BKK
2 stops27h 18mCathay Pacific
Tue 11/266:40 amBKK - STL
2 stops22h 50mCathay Pacific
Deal found 11/20$1,644
This oojo deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/261:46 pmSTL - BKK
2 stops27h 09mQatar Airways
Sun 12/17:35 amBKK - STL
2 stops50h 24mQatar Airways
Deal found 11/20$1,821
This Ovago deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/57:00 amSTL - HKT
2 stops40h 55mQatar Airways
Sun 12/88:20 amHKT - STL
2 stops61h 23mQatar Airways
Deal found 11/21$1,823
This United deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/167:00 amSTL - BKK
3 stops33h 10mUnited Airlines
Thu 1/167:10 amBKK - STL
2 stops26h 33mUnited Airlines
Deal found 11/20$1,996
This KAYAK deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/281:45 pmSTL - BKK
2 stops27h 20mFinnair
Sat 1/117:50 amBKK - STL
2 stops48h 40mFinnair
Deal found 11/21$2,080
This CheapOair deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/47:15 amSTL - BKK
2 stops44h 05mJapan Airlines
Tue 12/3112:55 amBKK - STL
2 stops35h 32mJapan Airlines
Deal found 11/20$2,365
This Mytrip deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/54:00 pmSTL - HKT
2 stops25h 50mMultiple Airlines
Sun 12/811:20 pmHKT - STL
3 stops30h 05mMultiple Airlines
Deal found 11/21$2,622
This oojo deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/265:30 pmSTL - HKT
2 stops57h 10mTurkish Airlines
Thu 1/910:25 pmHKT - STL
2 stops30h 13mTurkish Airlines
Deal found 11/20$2,733
This Expedia deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/207:00 amSTL - CNX
2 stops27h 05mMultiple Airlines
Thu 12/2612:25 amCNX - STL
2 stops36h 34mMultiple Airlines
Deal found 11/19$2,983
This CheapOair deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:29 amSTL - BKK
2 stops27h 51mKorean Air
Thu 1/21:00 amBKK - STL
2 stops34h 06mKorean Air
Deal found 11/20$3,023

Find flights from St. Louis to Thailand within your budget

Customize your flight search to find flights from St. Louis to Thailand that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Sun 2/23

7:00 am-12:20 am

2 stops28h 20m

Bangkok Suvarnabhumi

Sat 3/1

11:55 pm-11:59 pm

2 stops37h 04m

$1,012

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Tue 1/21

7:00 am-5:05 am

2 stops33h 05m

Bangkok Suvarnabhumi

Sun 1/26

12:55 am-11:03 pm

2 stops35h 08m

$1,083

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Mon 3/10

6:30 am-12:45 am

2 stops30h 15m

Bangkok Suvarnabhumi

Mon 3/24

9:30 pm-9:42 pm

2 stops36h 12m

$1,103

St. LouisChiang Mai

STL - CNX

STLCNX

Lambert-St Louis

Wed 1/22

2:49 pm-11:05 pm

2 stops43h 16m

Chiang Mai

Sun 1/26

12:25 am-1:53 pm

2 stops50h 28m

$1,104

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Wed 1/15

7:00 am-12:05 am

2 stops28h 05m

Bangkok Suvarnabhumi

Wed 1/22

7:10 am-6:09 pm

2 stops23h 59m

$1,113

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Sun 3/9

6:30 am-11:20 pm

2 stops28h 50m

Bangkok Suvarnabhumi

Mon 3/24

1:00 am-9:42 pm

2 stops32h 42m

$1,318

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Tue 3/11

7:51 pm-12:50 pm

2 stops28h 59m

Bangkok Suvarnabhumi

Tue 3/25

2:00 am-10:25 pm

2 stops32h 25m

$1,364

St. LouisPhuket City

STL - HKT

STLHKT

Lambert-St Louis

Sat 2/22

6:10 am-11:20 am

2 stops40h 10m

Phuket City

Sat 3/1

12:20 pm-10:04 pm

2 stops46h 44m

$1,379

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Thu 3/13

9:51 am-12:10 am

2 stops26h 19m

Bangkok Suvarnabhumi

Wed 3/26

11:40 am-11:50 pm

2 stops24h 10m

$1,407

St. LouisPhuket City

STL - HKT

STLHKT

Lambert-St Louis

Tue 1/14

6:30 am-3:40 pm

2 stops44h 10m

Phuket City

Thu 1/23

10:25 pm-3:38 pm

2 stops30h 13m

$1,435

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 24 results
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Best time to book a flight from St. Louis to Thailand

Have a flexible travel schedule? Discover the best time to fly to Thailand from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from St. Louis to Thailand

Get recent, data-driven insights about flights from St. Louis to Thailand including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from St. Louis to Thailand?

Currently, September is the cheapest month in which you can book a flight from St. Louis to Thailand (average of $979). Flying from St. Louis to Thailand in June is currently the most expensive (average of $1,585). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to TH?

Find hourly flight availability from St. Louis to Thailand. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

When flying from St. Louis to Thailand, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Thailand by month

Plan your trip to Thailand by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Thailand ranges from 0.4 - 12.6 inches per month. September is typically the wettest month, when rainfall can reach 12.6 in. January is typically the driest time to visit Thailand when rainfall is around 0.4 in.

Temperature in Thailand by month

Plan your trip to Thailand by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Thailand, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

Reviews of airlines servicing Thailand

Get insights into the airlines that provide service to Thailand. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Thailand. Reviews last updated November 21, 2024.
Get a feel of what it's like to fly with Qatar Airways, Cathay Pacific and Turkish Airlines from St. Louis to Thailand by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,024 reviews

Boarding

8.5

Crew

8.7

Comfort

8.3

Food

8.1

Overall

8.5

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Korean Air
8.5
Very good
1,024 reviews
Korean Air
8.5
Very good
1,024 reviews

Boarding

8.5

Crew

8.7

Comfort

8.3

Food

8.1

Overall

8.5

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

ANA
8.4
Very good
833 reviews
Korean Air
8.5
Very good
1,024 reviews

Boarding

8.5

Crew

8.7

Comfort

8.3

Food

8.1

Overall

8.5

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Japan Airlines
8.3
Very good
1,457 reviews
Korean Air
8.5
Very good
1,024 reviews

Boarding

8.5

Crew

8.7

Comfort

8.3

Food

8.1

Overall

8.5

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Asiana Airlines
8.3
Very good
476 reviews
Korean Air
8.5
Very good
1,024 reviews

Boarding

8.5

Crew

8.7

Comfort

8.3

Food

8.1

Overall

8.5

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Delta
8.0
Very good
8,755 reviews
Korean Air
8.5
Very good
1,024 reviews

Boarding

8.5

Crew

8.7

Comfort

8.3

Food

8.1

Overall

8.5

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Thailand. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Thailand?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Thailand. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • What are the cheapest airlines to fly from St. Louis to Thailand one-way?

    $585 is the cheapest one-way deal found within the past few days, from Japan Airlines. You may also be able to find cheap deals on ANA and Delta, with prices starting from $598 and $605, respectively.

  • What are the most popular routes from St. Louis to Thailand?

    The most popular flight routes from St. Louis to Thailand are Lambert-St Louis - Bangkok Suvarnabhumi, Lambert-St Louis - Phuket City and Lambert-St Louis - Chiang Mai.

  • Can I find deals for flights from St. Louis to Thailand that include hotel bookings?

    Yes. In addition to deals on St. Louis to Thailand flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Thailand?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Thailand.

  • Can I find deals for business class flights from St. Louis to Thailand?

    Yes. Cheapflights offers flight deals from St. Louis to Thailand by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Thailand?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Thailand (average of $979). Flying from St. Louis to Thailand in June is currently the most expensive (average of $1,585). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for St. Louis to Thailand

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from St. Louis to Thailand

Discover the top 10 airlines that operate flights from St. Louis to Thailand. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$1,113Average$1,202FlexibilityNo cancel feeOn-time79%
ANACheapest$1,130Average$1,506FlexibilityNo cancel feeOn-time80%
DeltaCheapest$1,149Average$1,836FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,151Average$1,546FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,152Average$1,238FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$1,158Average$1,320FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$1,226Average$1,638FlexibilityNo cancel feeOn-time67%
FinnairCheapest$1,259Average$1,692FlexibilityNo cancel feeOn-time76%
Cathay PacificCheapest$1,266Average$1,581FlexibilityNo cancel feeOn-time72%
Qatar AirwaysCheapest$1,319Average$1,696FlexibilityNo cancel feeOn-time68%
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