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$601+ Cheap flights from St. Louis (STL) to Bangkok

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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BKK
Nov 4 — Nov 111
Mon 11/4
Mon 11/11
1 adult, Economy
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The best prices from Lambert-St Louis to Bangkok are usually found in September or October, booked 27 days in advance, depart on a Tuesday or Friday and return on a Thursday

Cheap flight deals from St. Louis to Bangkok

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Bangkok (TH1). 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 October 30, 2024.

Popular in

December

Cheapest in

September

Round-trip from

$1,100
(FlightHub)

One-way from

$601
(FlightHub)
High demand for flights, 23% potential price rise
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Best time to find cheap flights, 21% potential price drop
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From Lambert-St Louis to Bangkok
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One-way flight from Lambert-St Louis to Bangkok
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Find flight deals from St. Louis to Bangkok

Cheapest flights from St. Louis to Bangkok
Explore the most affordable flight options available from St. Louis to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2024.

This Orbitz deal was found by Cheapflights users on 10/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/287:00 amSTL - BKK
2 stops38h 45mMultiple Airlines
Thu 12/55:10 pmBKK - STL
2 stops33h 14mMultiple Airlines
Deal found 10/29$1,204
This oojo deal was found by Cheapflights users on 10/30. 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.
Wed 11/138:05 amSTL - BKK
2 stops42h 05mTurkish Airlines
Wed 11/2010:00 amBKK - STL
2 stops66h 39mTurkish Airlines
Deal found 10/30$1,246
This oojo deal was found by Cheapflights users on 10/30. 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 10/3110:55 amSTL - BKK
2 stops25h 15mCathay Pacific
Thu 11/76:40 amBKK - STL
2 stops30h 17mCathay Pacific
Deal found 10/30$1,266
This Gurufare deal was found by Cheapflights users on 10/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/308:05 amSTL - BKK
2 stops32h 05mANA
Tue 12/310:50 pmBKK - STL
2 stops30h 48mANA
Deal found 10/28$1,388
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/295:16 pmSTL - BKK
2 stops43h 29mDelta
Sun 11/101:00 amBKK - STL
2 stops32h 49mDelta
Deal found 10/29$1,534
This FlightHub deal was found by Cheapflights users on 10/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1111:31 amSTL - BKK
2 stops36h 19mQatar Airways
Tue 11/192:00 amBKK - STL
2 stops30h 03mQatar Airways
Deal found 10/29$1,561
This KAYAK deal was found by Cheapflights users on 10/29. 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.
Thu 11/1412:52 pmSTL - BKK
2 stops35h 23mFinnair
Mon 1/63:00 pmBKK - STL
2 stops44h 26mFinnair
Deal found 10/29$1,809
This KLM deal was found by Cheapflights users on 10/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/153:21 pmSTL - BKK
2 stops29h 44mKLM
Mon 7/2112:05 pmBKK - STL
2 stops38h 11mKLM
Deal found 10/28$2,057
This United Airlines deal was found by Cheapflights users on 10/29. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1610:10 amSTL - BKK
2 stops30h 00mUnited Airlines
Thu 1/167:10 amBKK - STL
2 stops23h 26mUnited Airlines
Deal found 10/29$2,197
This Justfly.com deal was found by Cheapflights users on 10/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/215:30 pmSTL - BKK
2 stops47h 45mAir Canada
Sat 1/1810:50 pmBKK - STL
2 stops53h 16mAir Canada
Deal found 10/29$2,341
This oojo deal was found by Cheapflights users on 10/29. 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 12/297:04 amSTL - BKK
2 stops33h 01mJapan Airlines
Wed 1/812:55 amBKK - STL
2 stops35h 08mJapan Airlines
Deal found 10/29$6,242
This oojo deal was found by Cheapflights users on 10/30. 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 11/1412:00 pmSTL - BKK
3 stops35h 55mEmirates
Fri 12/278:35 pmBKK - STL
2 stops38h 10mEmirates
Deal found 10/30$9,646

Find flights from St. Louis to Bangkok within your budget

Customize your flight search to find flights from St. Louis to Bangkok 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 2,570,725 searches. Data last updated October 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,100 - $9,646

Route

Depart

Return

Price

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Tue 1/14

2 stops39h 50m

Bangkok Suvarnabhumi

Tue 1/28

2 stops28h 47m

$1,100

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Sat 3/1

2 stops56h 55m

Bangkok Suvarnabhumi

Fri 3/7

2 stops28h 54m

$1,176

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Fri 1/31

2 stops28h 50m

Bangkok Suvarnabhumi

Fri 2/14

2 stops46h 50m

$1,191

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Thu 11/28

2 stops38h 45m

Bangkok Suvarnabhumi

Thu 12/5

2 stops33h 14m

$1,204

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Wed 11/13

2 stops42h 05m

Bangkok Suvarnabhumi

Wed 11/20

2 stops66h 39m

$1,246

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Mon 11/11

2 stops39h 58m

Bangkok Suvarnabhumi

Wed 11/20

2 stops30h 17m

$1,277

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Fri 1/31

2 stops26h 00m

Bangkok Suvarnabhumi

Thu 2/13

2 stops33h 42m

$1,339

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Fri 4/11

2 stops35h 28m

Bangkok Suvarnabhumi

Tue 4/15

2 stops42h 44m

$1,440

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Thu 1/2

2 stops27h 20m

Bangkok Suvarnabhumi

Fri 1/10

2 stops47h 33m

$1,749

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Sun 12/15

2 stops29h 44m

Bangkok Suvarnabhumi

Mon 7/21

2 stops38h 11m

$2,057

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Sat 12/21

2 stops47h 45m

Bangkok Suvarnabhumi

Sat 1/18

2 stops53h 16m

$2,341

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Thu 11/14

3 stops35h 55m

Bangkok Suvarnabhumi

Thu 12/26

2 stops31h 35m

$9,646

Flights are sorted by cheapest first

Deals found on 10/29

Best time to book a flight from St. Louis to Bangkok

Have a flexible travel schedule? Discover the best time to fly to Bangkok 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 Bangkok

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

How far ahead should I book a flight from St. Louis to Bangkok?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Bangkok. Price data was last updated on October 25, 2024.

Booking 27 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Bangkok. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from St. Louis to Bangkok (average of $979). Flying from St. Louis to Bangkok in June is currently the most expensive (average of $1,580). 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 BKK?

Find hourly flight availability from St. Louis to Bangkok. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2024.

It’s typically best to fly out from St. Louis to Bangkok in the morning. Doing so could potentially save you 22% on the flight price compared to flying at noon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Bangkok. Price data was last updated on October 27, 2024.

Travelers seeking maximum savings on their St. Louis to Bangkok flight should consider departing on Saturday mornings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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Rainfall in Bangkok by month

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

In terms of precipitation, rainfall in Bangkok 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 Bangkok when rainfall is around 0.4 in.

Temperature in Bangkok by month

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

If weather is an important factor for your trip to Bangkok, 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 Bangkok

Get insights into the airlines that provide service to Bangkok. 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 Bangkok. Reviews last updated October 30, 2024.
Read reviews from past customers who have flown Emirates, ANA and United Airlines from St. Louis to Bangkok. 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
1,040 reviews

Crew

8.7

Boarding

8.5

Comfort

8.3

Overall

8.5

Entertainment

8.2

Food

8.1

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
1,040 reviews
Korean Air
8.5
Very good
1,040 reviews

Crew

8.7

Boarding

8.5

Comfort

8.3

Overall

8.5

Entertainment

8.2

Food

8.1

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
832 reviews
Korean Air
8.5
Very good
1,040 reviews

Crew

8.7

Boarding

8.5

Comfort

8.3

Overall

8.5

Entertainment

8.2

Food

8.1

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
1,450 reviews
Korean Air
8.5
Very good
1,040 reviews

Crew

8.7

Boarding

8.5

Comfort

8.3

Overall

8.5

Entertainment

8.2

Food

8.1

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.

Emirates
8.1
Very good
3,548 reviews
Korean Air
8.5
Very good
1,040 reviews

Crew

8.7

Boarding

8.5

Comfort

8.3

Overall

8.5

Entertainment

8.2

Food

8.1

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.

Alaska Airlines
8.0
Very good
9,418 reviews
Korean Air
8.5
Very good
1,040 reviews

Crew

8.7

Boarding

8.5

Comfort

8.3

Overall

8.5

Entertainment

8.2

Food

8.1

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 Bangkok. 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 Bangkok?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Bangkok. You should not have trouble finding flights to Bangkok from Lambert-St Louis; the airport handles an average of 0 outbound flights to Bangkok per day. You should also have plenty of airline options to choose from since 12 airlines have flights from the St. Louis airport to Bangkok. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

  • Can I find flights from St. Louis to Bangkok for under $1,100 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Bangkok for under $1,100. The cheapest flight booked recently is on ANA for just $1,100, but on average you can expect to pay $2,147.

  • Are there last-minute flights available from St. Louis to Bangkok for under $1,300?

    There are currently 7+ open flights from St. Louis to Bangkok within the next 7 days for less than $1,300.

  • What are the cheapest airlines flying from St. Louis to Bangkok round-trip?

    Cheapflights users have booked flights from St. Louis to Bangkok round-trip from $1,100. Other airlines that can offer you cheap pricing are Japan Airlines, from $1,176, and United Airlines, from $1,191. ANA is priced at 29% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for ANA. According to our data, you can fly for as low as $601. Users have also found prices from $673 and $935 on Cathay Pacific and Turkish Airlines, respectively.

  • What does STL to BKK mean?

    STL and BKK are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. STL to BKK refers to a flight route from Lambert-St Louis Airport to Bangkok Suvarnabhumi Airport. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Bangkok Don Mueang Intl Airport (DMK), Rayong Utapao Rayong Pattaya Airport (UTP), Hua Hin Airport (HHQ).

  • Where are the most common layover locations when flying from St. Louis to Bangkok?

    Flights departing from St. Louis and landing in Bangkok layover in Doha most frequently.

  • What are some popular things to do or see while on a layover in Doha?

    The majority of Doha visitors spend their time at Museum of Islamic Art, Aspire Tower, and Katara Cultural Village. Travelers on a layover in Doha can visit Museum of Islamic Art, Aspire Tower, and Katara Cultural Village, by traveling 5.2 mi, 10.6 mi, and 8.7 mi, respectively after landing at Doha Hamad Intl. Travelers can book a car rental at Doha Hamad Intl for about $30 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for St. Louis to Bangkok flights?

    Of the flights from St. Louis to Bangkok that have layovers, the fewest flights stop in Chicago.

  • Can I find deals for flights from St. Louis to Bangkok that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Bangkok flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Bangkok with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Bangkok flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from St. Louis to Bangkok that allow pets onboard?

    Many airlines flying from St. Louis to Bangkok offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Bangkok?

    Yes, you can often find last-minute deals on St. Louis to Bangkok flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Bangkok flight deals updated?

    The St. Louis to Bangkok flight deals you see on this page were last updated on 10/30.

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

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Bangkok (average of $979). Flying from St. Louis to Bangkok in June is currently the most expensive (average of $1,580). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from St. Louis to Bangkok

Discover the top 10 airlines that operate flights from St. Louis to Bangkok. 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 2,570,725 searches. Data last updated October 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$1,113Average$1,233FlexibilityNo cancel feeOn-time79%
ANACheapest$1,130Average$1,809FlexibilityNo cancel feeOn-time80%
American AirlinesCheapest$1,149Average$1,546FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,149Average$1,355FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,154Average$1,296FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$1,158Average$1,320FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$1,226Average$1,678FlexibilityNo cancel feeOn-time67%
FinnairCheapest$1,259Average$1,692FlexibilityNo cancel feeOn-time76%
Cathay PacificCheapest$1,279Average$1,629FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$1,305Average$2,082FlexibilityNo cancel feeOn-time81%
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