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$623+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BKK
Jan 3 — Jan 101
Fri 1/3
Fri 1/10
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 December 29, 2024.

Round-trip from

$1,114
(United Airlines)

One-way from

$623
(United Airlines)
From Lambert-St Louis to Thailand
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One-way flight from Lambert-St Louis to Thailand
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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 December 29, 2024.

This oojo deal was found by Cheapflights users on 12/28. 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.
Sun 12/295:36 amSTL - BKK
2 stops29h 34mCathay Pacific
Sun 1/57:15 pmBKK - STL
2 stops34h 19mCathay Pacific
Deal found 12/28$2,490
This Mytrip deal was found by Cheapflights users on 12/28. 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.
Sun 12/293:50 pmSTL - BKK
3 stops29h 55mMultiple Airlines
Sun 1/55:10 pmBKK - STL
3 stops34h 56mMultiple Airlines
Deal found 12/28$2,922
This Mytrip deal was found by Cheapflights users on 12/28. 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.
Sun 12/293:50 pmSTL - HKT
3 stops30h 30mMultiple Airlines
Sun 1/510:05 pmHKT - STL
3 stops37h 11mMultiple Airlines
Deal found 12/28$3,205
This KAYAK deal was found by Cheapflights users on 12/28. 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.
Sun 12/296:30 amSTL - HKT
2 stops41h 25mQatar Airways
Sat 1/412:50 amHKT - STL
2 stops58h 31mQatar Airways
Deal found 12/28$15,802

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 2,558,603 searches. Data last updated December 29, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Tue 2/4

6:15 am-12:05 am

2 stops28h 50m

Bangkok Suvarnabhumi

Tue 2/11

7:10 am-8:43 pm

2 stops26h 33m

$1,114

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Sun 4/27

6:30 am-7:05 am

2 stops36h 35m

Bangkok Suvarnabhumi

Sat 5/10

2:30 am-11:59 pm

2 stops33h 29m

$1,125

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Fri 4/25

6:15 am-11:55 pm

2 stops29h 40m

Bangkok Suvarnabhumi

Sun 5/4

9:35 pm-2:34 pm

2 stops28h 59m

$1,146

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Fri 3/28

6:44 am-12:20 am

2 stops29h 36m

Bangkok Suvarnabhumi

Sun 4/27

1:10 am-11:59 pm

2 stops34h 49m

$1,152

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Mon 2/17

11:04 am-12:10 am

2 stops24h 06m

Bangkok Suvarnabhumi

Mon 3/3

6:40 am-11:08 pm

2 stops29h 28m

$1,266

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Mon 2/17

6:10 am-5:00 am

2 stops33h 50m

Bangkok Suvarnabhumi

Sun 3/2

12:55 am-11:08 pm

2 stops35h 13m

$1,362

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Thu 3/6

6:00 am-12:45 am

2 stops29h 45m

Bangkok Suvarnabhumi

Wed 3/19

1:00 am-1:08 pm

2 stops24h 08m

$1,378

St. LouisPhuket City

STL - HKT

STLHKT

Lambert-St Louis

Fri 1/24

6:00 pm-11:20 am

2 stops52h 20m

Phuket City

Mon 2/3

12:20 pm-10:09 pm

2 stops46h 49m

$1,577

St. LouisPhuket City

STL - HKT

STLHKT

Lambert-St Louis

Fri 1/24

6:03 am-11:20 am

2 stops40h 17m

Phuket City

Sat 2/8

5:20 pm-4:20 pm

3 stops36h 00m

$1,765

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Fri 1/31

6:00 am-12:45 am

2 stops29h 45m

Bangkok Suvarnabhumi

Sat 2/15

1:00 am-4:37 pm

2 stops28h 37m

$1,798

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/28

Showing 1-10 of 25 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, October is the cheapest month in which you can book a flight from St. Louis to Thailand (average of $996). 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 December 29, 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 December 29, 2024.
Get a feel of what it's like to fly with Qatar Airways, Cathay Pacific and Delta 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
1,028 reviews

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.3

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,028 reviews
Korean Air
8.5
Very good
1,028 reviews

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.3

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA
8.4
Very good
844 reviews
Korean Air
8.5
Very good
1,028 reviews

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.3

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very good
1,443 reviews
Korean Air
8.5
Very good
1,028 reviews

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.3

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Emirates
8.1
Very good
3,376 reviews
Korean Air
8.5
Very good
1,028 reviews

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.3

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Delta
8.0
Very good
8,546 reviews
Korean Air
8.5
Very good
1,028 reviews

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.3

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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?

    $623 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and Korean Air, with prices starting from $657 and $715, 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, October is the cheapest month in which you can book a flight from St. Louis to Thailand (average of $996). 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 2,558,603 searches. Data last updated December 29, 2024.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$1,084Average$1,196FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$1,113Average$1,178FlexibilityNo cancel feeOn-time69%
ANACheapest$1,125Average$1,417FlexibilityNo cancel feeOn-time80%
American AirlinesCheapest$1,149Average$1,546FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,149Average$1,834FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$1,158Average$1,347FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$1,176Average$1,638FlexibilityNo cancel feeOn-time67%
FinnairCheapest$1,249Average$1,674FlexibilityNo cancel feeOn-time76%
Cathay PacificCheapest$1,265Average$1,516FlexibilityNo cancel feeOn-time72%
Qatar AirwaysCheapest$1,319Average$1,633FlexibilityNo cancel feeOn-time68%
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