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Cheap flights from St. Louis (STL) to Thailand from $565

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 7/10. 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.
STL — BKK
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
1 adult, Economy
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How far in advance should I book a flight from St. Louis to Thailand?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 39 days in advance, which can save you up to 11% on flights from St. Louis to Thailand compared to booking the week you need them. Waiting 39 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,436. For sooner than that we have options available in the next 3 days from $1,553.

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

Our data shows that October tends to be the cheapest month to fly to Thailand from St. Louis. Users have commonly found prices around $1,719 for the month, but tickets can be as low as $1,241. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from St. Louis to Thailand (STL - TH)?

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.

Cheap United Airlines flights from St. Louis to Thailand

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and Thailand. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Take a peek at the cheapest United Airlines flights we've detected traveling from St. Louis to Thailand. Come back soon if you're not finding the exact deal you're looking for.
Mon 8/265:20 pmSTL - BKK
3 stops47h 15mUnited Airlines
Thu 9/267:00 amBKK - STL
2 stops21h 30mUnited Airlines
Deal found 5/15$1,156
Thu 11/76:15 amSTL - BKK
2 stops28h 50mUnited Airlines
Mon 11/117:10 amBKK - STL
2 stops28h 05mUnited Airlines
Deal found 5/14$1,158
Sun 9/154:51 pmSTL - BKK
2 stops43h 04mUnited Airlines
Thu 9/267:00 amBKK - STL
2 stops27h 15mUnited Airlines
Deal found 5/14$1,165
Sat 11/98:50 amSTL - BKK
2 stops50h 15mUnited Airlines
Sat 11/167:10 amBKK - STL
2 stops22h 16mUnited Airlines
Deal found 5/15$1,245
Tue 11/57:00 amSTL - BKK
2 stops28h 05mUnited Airlines
Tue 12/37:10 amBKK - STL
2 stops44h 08mUnited Airlines
Deal found 5/15$1,269
Tue 11/56:15 amSTL - BKK
2 stops28h 50mUnited Airlines
Tue 12/37:10 amBKK - STL
3 stops46h 25mUnited Airlines
Deal found 5/15$1,281
Tue 8/66:20 amSTL - BKK
2 stops29h 35mUnited Airlines
Tue 8/139:35 amBKK - STL
3 stops66h 53mUnited Airlines
Deal found 5/15$1,864
Wed 7/36:30 amSTL - BKK
2 stops34h 05mUnited Airlines
Mon 7/89:35 amBKK - STL
3 stops42h 53mUnited Airlines
Deal found 5/15$1,996
Mon 6/2410:15 amSTL - BKK
2 stops30h 20mUnited Airlines
Sat 6/299:35 amBKK - STL
3 stops66h 53mUnited Airlines
Deal found 5/15$2,707

Cheap Cathay Pacific flights from St. Louis to Thailand

Explore cheap flight options specifically provided by Cathay Pacific for the route between St. Louis and Thailand. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Have a look at some of the cheapest available Cathay Pacific flights departing from St. Louis and landing in Thailand. Check back soon if you're not seeing flights that suit your needs.
Fri 11/87:23 pmSTL - BKK
2 stops33h 52mCathay Pacific
Sun 11/174:55 pmBKK - STL
2 stops43h 05mCathay Pacific
Deal found 5/16$1,309
Sat 9/145:30 pmSTL - HKT
2 stops36h 00mCathay Pacific
Sat 9/2811:50 amHKT - STL
2 stops44h 08mCathay Pacific
Deal found 5/15$1,329
Sat 8/177:00 amSTL - HKT
2 stops46h 30mCathay Pacific
Sat 8/2411:50 amHKT - STL
2 stops46h 52mCathay Pacific
Deal found 5/15$1,848
Sun 5/2611:24 amSTL - HKT
3 stops43h 06mCathay Pacific
Thu 5/3010:20 amHKT - STL
3 stops72h 57mCathay Pacific
Deal found 5/16$3,176

Cheap St. Louis to Thailand flights in May & June 2024

Find cheap flight options from St. Louis to Thailand specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Thailand in May and June 2024. For more flight deals, be sure to check back very soon.
Wed 6/126:29 amSTL - BKK
2 stops58h 56mMultiple Airlines
Wed 6/197:15 amBKK - STL
2 stops61h 39mMultiple Airlines
Deal found 5/15$1,662
Sun 5/1910:30 amSTL - BKK
2 stops31h 40mQatar Airways
Sun 5/269:05 pmBKK - STL
2 stops37h 54mQatar Airways
Deal found 5/15$1,699
Thu 5/236:08 amSTL - BKK
2 stops40h 42mTurkish Airlines
Fri 6/77:40 amBKK - STL
2 stops39h 17mTurkish Airlines
Deal found 5/16$1,748
Sat 5/255:25 pmSTL - BKK
2 stops34h 00mTurkish Airlines
Thu 6/137:40 amBKK - STL
2 stops44h 01mTurkish Airlines
Deal found 5/16$1,769
Sun 5/1910:30 amSTL - BKK
2 stops32h 35mQatar Airways
Sun 5/269:05 amBKK - STL
2 stops48h 42mQatar Airways
Deal found 5/16$1,791
Tue 5/2110:30 amSTL - BKK
2 stops31h 40mQatar Airways
Tue 5/289:05 amBKK - STL
2 stops44h 17mQatar Airways
Deal found 5/16$1,793
Thu 6/204:02 pmSTL - BKK
2 stops29h 28mKLM
Thu 6/2712:05 pmBKK - STL
2 stops44h 32mKLM
Deal found 5/15$1,855
Fri 6/287:00 amSTL - BKK
2 stops36h 05mQatar Airways
Tue 7/98:00 pmBKK - STL
2 stops39h 59mQatar Airways
Deal found 5/15$1,886
Thu 5/239:51 amSTL - BKK
2 stops41h 44mRoyal Jordanian
Thu 6/612:25 amBKK - STL
2 stops33h 37mRoyal Jordanian
Deal found 5/16$1,903

St. Louis to Thailand 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Thailand in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Thailand in May and June 2024. For more flight deals, be sure to check back very soon.
Mon 8/265:20 pmSTL - BKK
3 stops47h 15mUnited Airlines
Thu 9/267:00 amBKK - STL
2 stops21h 30mUnited Airlines
Deal found 5/15$1,156
Tue 10/297:00 amSTL - BKK
2 stops29h 05mUnited Airlines
Mon 11/117:10 amBKK - STL
2 stops28h 05mUnited Airlines
Deal found 5/16$1,158
Sun 9/154:51 pmSTL - BKK
2 stops43h 04mUnited Airlines
Thu 9/267:00 amBKK - STL
2 stops27h 15mUnited Airlines
Deal found 5/14$1,165
Mon 8/268:05 amSTL - BKK
2 stops27h 50mMultiple Airlines
Thu 9/267:00 amBKK - STL
2 stops21h 30mMultiple Airlines
Deal found 5/16$1,182
Sat 8/248:25 amSTL - BKK
2 stops32h 10mUnited Airlines
Mon 9/99:35 amBKK - STL
2 stops42h 47mUnited Airlines
Deal found 5/16$1,194
Sat 11/98:50 amSTL - BKK
2 stops50h 15mUnited Airlines
Sat 11/167:10 amBKK - STL
2 stops22h 16mUnited Airlines
Deal found 5/15$1,245
Tue 11/57:00 amSTL - BKK
2 stops28h 05mUnited Airlines
Tue 12/37:10 amBKK - STL
2 stops44h 08mUnited Airlines
Deal found 5/15$1,269
Sun 9/155:20 pmSTL - BKK
3 stops47h 15mMultiple Airlines
Thu 9/267:00 amBKK - STL
2 stops21h 30mMultiple Airlines
Deal found 5/14$1,280
Tue 11/56:15 amSTL - BKK
2 stops28h 50mUnited Airlines
Tue 12/37:10 amBKK - STL
3 stops46h 25mUnited Airlines
Deal found 5/15$1,281

St. Louis to Thailand flights leaving soon

Find last-minute flight options from St. Louis to Thailand for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Book one of these great deals on flights from St. Louis to Thailand. Tip: verify your flight details before completing your reservation.
Thu 5/236:08 amSTL - BKK
2 stops40h 42mTurkish Airlines
Fri 6/77:40 amBKK - STL
2 stops39h 17mTurkish Airlines
Deal found 5/16$1,748
Sat 5/255:25 pmSTL - BKK
2 stops34h 00mTurkish Airlines
Thu 6/137:40 amBKK - STL
2 stops44h 01mTurkish Airlines
Deal found 5/16$1,769
Thu 5/239:51 amSTL - BKK
2 stops41h 44mRoyal Jordanian
Thu 6/612:25 amBKK - STL
2 stops33h 37mRoyal Jordanian
Deal found 5/16$1,903
Fri 5/243:00 pmSTL - BKK
2 stops28h 05mQatar Airways
Sat 6/19:05 amBKK - STL
2 stops60h 05mQatar Airways
Deal found 5/15$2,038
Sat 5/259:50 amSTL - BKK
2 stops32h 15mMultiple Airlines
Thu 6/131:30 pmBKK - STL
3 stops35h 11mMultiple Airlines
Deal found 5/16$2,087
Sat 5/259:50 amSTL - BKK
3 stops32h 15mMultiple Airlines
Thu 6/131:30 pmBKK - STL
3 stops35h 11mMultiple Airlines
Deal found 5/16$2,088
Sat 5/2512:15 pmSTL - BKK
3 stops29h 15mMultiple Airlines
Wed 6/121:20 amBKK - STL
3 stops47h 21mMultiple Airlines
Deal found 5/16$2,234
Sat 5/2511:09 amSTL - BKK
2 stops30h 16mMultiple Airlines
Wed 6/121:10 amBKK - STL
2 stops34h 49mMultiple Airlines
Deal found 5/16$2,236
Sun 5/195:08 pmSTL - CNX
3 stops30h 07mQatar Airways
Sun 5/268:00 pmCNX - STL
3 stops35h 28mQatar Airways
Deal found 5/15$2,293

One-way flights to Thailand from St. Louis

Search for one-way flight options from St. Louis to Thailand. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Take a look at some of the one-way flights we've detected from St. Louis to Thailand. Users can also find round-trip St. Louis to Thailand flights by using the search form above.
Wed 7/104:02 pmSTL - BKK
3 stops59h 28mMultiple Airlines
Deal found 5/15$565
Sun 9/157:31 pmSTL - BKK
2 stops33h 09mMultiple Airlines
Deal found 5/14$636
Tue 6/47:23 pmSTL - BKK
3 stops57h 47mMultiple Airlines
Deal found 5/15$762
Thu 7/116:30 amSTL - BKK
2 stops45h 00mANA
Deal found 5/15$790
Mon 7/111:25 amSTL - BKK
2 stops30h 40mMultiple Airlines
Deal found 5/15$805
Mon 6/245:31 pmSTL - BKK
2 stops24h 34mTurkish Airlines
Deal found 5/15$811
Fri 7/53:07 pmSTL - BKK
3 stops42h 03mMultiple Airlines
Deal found 5/15$818
Mon 6/37:23 pmSTL - BKK
3 stops54h 42mMultiple Airlines
Deal found 5/15$829
Thu 7/46:29 amSTL - BKK
3 stops52h 36mMultiple Airlines
Deal found 5/15$875

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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,156 - $1,989

Route

Depart

Return

Price

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Mon 8/26

3 stops47h 15m

Bangkok Suvarnabhumi

Thu 9/26

2 stops21h 30m

$1,156

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Thu 11/7

2 stops28h 50m

Bangkok Suvarnabhumi

Mon 11/11

2 stops28h 05m

$1,158

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Sun 9/15

3 stops47h 15m

Bangkok Suvarnabhumi

Thu 9/26

2 stops21h 30m

$1,280

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Fri 11/8

2 stops33h 52m

Bangkok Suvarnabhumi

Sun 11/17

2 stops43h 05m

$1,309

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Mon 8/26

2 stops32h 27m

Bangkok Suvarnabhumi

Wed 9/25

2 stops42h 38m

$1,352

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Fri 11/8

2 stops37h 29m

Bangkok Suvarnabhumi

Sat 11/16

2 stops34h 11m

$1,677

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Thu 6/20

2 stops29h 28m

Bangkok Suvarnabhumi

Thu 6/27

2 stops44h 32m

$1,855

Lambert-St LouisChiang Mai

STL - CNX

STLCNX

Lambert-St Louis

Sun 10/6

2 stops49h 55m

Chiang Mai

Thu 10/10

2 stops36h 20m

$1,894

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Mon 6/24

2 stops34h 05m

Bangkok Suvarnabhumi

Sat 6/29

2 stops45h 28m

$1,989

Flights are sorted by cheapest first

Deals found on 5/15

No data available for this route at this time. Please check back soon.

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 May 16, 2024.
Get a feel of what it's like to fly with United Airlines, Cathay Pacific and Qatar Airways 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.
ANA
8.5
Very good
921 reviews
Check prices

Boarding

8.6

Entertainment

8.0

Food

7.8

Overall

8.5

Comfort

8.3

Crew

8.8

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

ANA
8.5
Very good
921 reviews
ANA
8.5
Very good
921 reviews
Check prices

Boarding

8.6

Entertainment

8.0

Food

7.8

Overall

8.5

Comfort

8.3

Crew

8.8

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

Asiana Airlines
8.4
Very good
577 reviews
ANA
8.5
Very good
921 reviews
Check prices

Boarding

8.6

Entertainment

8.0

Food

7.8

Overall

8.5

Comfort

8.3

Crew

8.8

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

Japan Airlines
8.3
Very good
1,472 reviews
ANA
8.5
Very good
921 reviews
Check prices

Boarding

8.6

Entertainment

8.0

Food

7.8

Overall

8.5

Comfort

8.3

Crew

8.8

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

Delta
8.0
Very good
10,673 reviews
ANA
8.5
Very good
921 reviews
Check prices

Boarding

8.6

Entertainment

8.0

Food

7.8

Overall

8.5

Comfort

8.3

Crew

8.8

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

KLM
7.9
Good
1,568 reviews
ANA
8.5
Very good
921 reviews
Check prices

Boarding

8.6

Entertainment

8.0

Food

7.8

Overall

8.5

Comfort

8.3

Crew

8.8

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

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.

  • Can I find flights from St. Louis to Thailand for under $1,200 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Thailand for under $1,200. The cheapest flight booked recently is on United Airlines for just $1,156, but on average you can expect to pay $1,380.

  • Are there last-minute flights available from St. Louis to Thailand for under $1,800?

    There are currently 20+ open flights from St. Louis to Thailand within the next 7 days for less than $1,800.

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

    $790 is the cheapest one-way deal found within the past few days, from ANA. You may also be able to find cheap deals on Turkish Airlines and United Airlines, with prices starting from $811 and $914, 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.

  • What are the most popular airlines that fly from St. Louis to Thailand?

    Before booking your flight from St. Louis to Thailand check out the most popular airlines for this route: American Airlines, Air Canada or Finnair.

  • 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. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Phuket City Airport (HKT), Chiang Mai Airport (CNX), Ko Samui Airport (USM), Bangkok Don Mueang Intl Airport (DMK), Krabi Airport (KBV).

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

    The amount of baggage you can bring on your St. Louis to Thailand 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 Thailand with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Thailand 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 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.

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

    Many airlines flying from St. Louis to Thailand 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 Thailand?

    Yes, you can often find last-minute deals on St. Louis to Thailand 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 Thailand flight deals updated?

    The St. Louis to Thailand flight deals you see on this page were last updated on 5/16.

See more FAQs

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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 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$1,006Average$1,572FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Qatar AirwaysCheapest$1,205Average$1,647FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Turkish AirlinesCheapest$1,243Average$1,499FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air CanadaCheapest$1,243Average$1,841FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Japan AirlinesCheapest$1,260Average$1,974FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Cathay PacificCheapest$1,276Average$1,607FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
American AirlinesCheapest$1,298Average$1,909FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
ANACheapest$1,316Average$2,188FlexibilityNo cancel feeOn-time80%
Search ANA flights
United AirlinesCheapest$1,371Average$2,001FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest$1,415Average$1,674FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
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St. Louis to Bangkok flights

Search flights from St. Louis to Thailand by cabin class

Find flights from St. Louis to Thailand, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
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Flights to Miyakojima Hirara

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