Cheap flights from St. Louis (STL) to Suvarnabhumi (BKK) from $582

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 9/5. 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
Jun 11 — Jun 181

The best prices from Lambert-St Louis to Bangkok Suvarnabhumi are usually found in October or February, booked 81 days in advance, depart on a Monday or Saturday and return on a Tuesday

Cheap flight deals from St. Louis to Suvarnabhumi

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Suvarnabhumi (BKK). 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 June 6, 2024.

Popular in

December

Cheapest in

October

Round-trip from

$1,046

One-way from

$677
High demand for flights, 21% potential price rise
Best time to find cheap flights, 19% potential price drop
From Lambert-St Louis to Bangkok Suvarnabhumi
One-way flight from Lambert-St Louis to Bangkok Suvarnabhumi

What is the cheapest day to fly round-trip from St. Louis to Bangkok Suvarnabhumi Airport?

Saturday flights are found to be more expensive to fly from St. Louis to Bangkok Suvarnabhumi Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Bangkok Suvarnabhumi Airport.

How far in advance should I book a flight from St. Louis to Bangkok Suvarnabhumi Airport?

Travelers have found it’s best to book a flight 39 days in advance to save up to 11% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 39 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Bangkok Suvarnabhumi Airport 1-2 weeks in advance for as low as $1,436, or $1,553 for flights within the next 24 hours.

What is the cheapest month to fly from St. Louis to Bangkok Suvarnabhumi Airport?

October can be a great time to fly to Bangkok Suvarnabhumi Airport from St. Louis with a flight ticket averaging about $1,709. Cheapflights users have found deals in the month of October for as cheap as $1,241. The most expensive prices can be found in the month of December.

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

It’s typically best to fly out from St. Louis to Bangkok Suvarnabhumi Airport in the evening. Doing so could potentially save you 29% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap St. Louis to Suvarnabhumi flights in June & July 2024

Find cheap flight options from St. Louis to Suvarnabhumi specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 6, 2024.
Check out some of the best flight deals from St. Louis to Bangkok in 2024. Check back regularly for other flight deals.
Wed 7/36:08 pmSTL - BKK
2 stops47h 17mFinnair
Mon 7/87:15 amBKK - STL
2 stops47h 25mFinnair
Deal found 6/5$1,632
Wed 7/36:08 amSTL - BKK
3 stops53h 47mUnited Airlines
Mon 7/89:35 amBKK - STL
2 stops38h 42mUnited Airlines
Deal found 6/6$1,637
Sat 7/136:09 pmSTL - BKK
2 stops47h 16mFinnair
Sun 7/217:15 amBKK - STL
2 stops47h 25mFinnair
Deal found 6/5$1,691
Wed 7/311:05 amSTL - BKK
2 stops31h 05mQatar Airways
Sun 7/73:00 amBKK - STL
2 stops42h 12mQatar Airways
Deal found 6/6$1,727
Wed 6/196:15 amSTL - BKK
2 stops29h 40mANA
Wed 6/269:35 pmBKK - STL
2 stops30h 53mANA
Deal found 6/5$1,787
Fri 6/283:23 pmSTL - BKK
2 stops30h 07mKLM
Tue 7/912:05 pmBKK - STL
2 stops44h 31mKLM
Deal found 6/6$1,855
Wed 6/1911:05 amSTL - BKK
2 stops38h 05mQatar Airways
Tue 6/252:30 amBKK - STL
2 stops42h 37mQatar Airways
Deal found 6/5$1,883
Wed 7/35:30 pmSTL - BKK
2 stops53h 20mTurkish Airlines
Mon 7/811:05 pmBKK - STL
2 stops52h 35mTurkish Airlines
Deal found 6/5$1,895
Wed 7/311:05 amSTL - BKK
2 stops31h 05mQatar Airways
Sun 7/72:30 amBKK - STL
2 stops42h 42mQatar Airways
Deal found 6/5$1,941

St. Louis to Suvarnabhumi 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Suvarnabhumi in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Check out some of the best flight deals from St. Louis to Bangkok in 2024. Check back regularly for other flight deals.
Thu 9/56:06 amSTL - BKK
2 stops27h 39mDelta
Thu 9/199:50 amBKK - STL
2 stops25h 49mDelta
Deal found 6/5$1,150
Mon 9/98:00 amSTL - BKK
2 stops33h 50mAmerican Airlines
Thu 10/39:45 amBKK - STL
2 stops25h 15mAmerican Airlines
Deal found 6/4$1,154
Tue 9/107:30 amSTL - BKK
2 stops34h 20mAmerican Airlines
Wed 10/98:05 amBKK - STL
2 stops26h 19mAmerican Airlines
Deal found 6/4$1,156
Mon 9/97:00 amSTL - BKK
2 stops33h 40mJapan Airlines
Wed 10/212:25 amBKK - STL
2 stops34h 35mJapan Airlines
Deal found 6/4$1,157
Thu 9/59:05 amSTL - BKK
2 stops26h 50mUnited Airlines
Wed 9/187:00 amBKK - STL
2 stops25h 36mUnited Airlines
Deal found 6/5$1,158
Tue 9/107:30 amSTL - BKK
2 stops43h 55mJapan Airlines
Wed 9/2512:25 amBKK - STL
2 stops34h 35mJapan Airlines
Deal found 6/6$1,161
Sun 9/86:00 pmSTL - BKK
2 stops46h 35mUnited Airlines
Wed 9/189:35 amBKK - STL
2 stops50h 52mUnited Airlines
Deal found 6/5$1,164
Mon 9/95:20 pmSTL - BKK
3 stops47h 15mUnited Airlines
Wed 9/189:35 amBKK - STL
2 stops50h 52mUnited Airlines
Deal found 6/5$1,166
Wed 8/219:30 amSTL - BKK
2 stops42h 00mANA
Sun 9/19:35 pmBKK - STL
2 stops36h 17mANA
Deal found 6/5$1,170

One-way flights to Suvarnabhumi from St. Louis

Search for one-way flight options from St. Louis to Suvarnabhumi. 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 3,050,429 searches. Data last updated June 6, 2024.
Users traveling one-way from St. Louis to Bangkok can select one of these great deals. Users can also find round-trip St. Louis to Bangkok flights by using the search form above.
Thu 9/56:18 pmSTL - BKK
3 stops40h 52mMultiple Airlines
Deal found 6/5$582
Sun 9/87:06 pmSTL - BKK
2 stops40h 29mDelta
Deal found 6/4$636
Thu 9/56:06 amSTL - BKK
2 stops29h 29mDelta
Deal found 6/5$637
Wed 7/319:47 amSTL - BKK
2 stops32h 03mAmerican Airlines
Deal found 6/6$639
Thu 8/17:00 amSTL - BKK
2 stops28h 00mAmerican Airlines
Deal found 6/6$641
Mon 7/296:29 amSTL - BKK
2 stops34h 11mJapan Airlines
Deal found 6/6$643
Tue 7/307:00 amSTL - BKK
2 stops28h 00mJapan Airlines
Deal found 6/6$648
Sun 8/46:06 amSTL - BKK
2 stops29h 29mDelta
Deal found 6/6$677
Fri 8/28:01 amSTL - BKK
2 stops33h 49mAmerican Airlines
Deal found 6/6$679

Find flights from St. Louis to Suvarnabhumi within your budget

Customize your flight search to find flights from St. Louis to Suvarnabhumi 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 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,150 - $1,683

Route

Depart

Return

Price

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Thu 9/5

2 stops27h 39m

Bangkok Suvarnabhumi

Thu 9/19

2 stops25h 49m

$1,150

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Mon 9/9

2 stops33h 50m

Bangkok Suvarnabhumi

Thu 10/3

2 stops25h 15m

$1,154

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Mon 9/9

2 stops33h 40m

Bangkok Suvarnabhumi

Wed 10/2

2 stops34h 35m

$1,157

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Thu 9/5

2 stops26h 50m

Bangkok Suvarnabhumi

Wed 9/18

2 stops25h 36m

$1,158

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Wed 8/21

2 stops42h 00m

Bangkok Suvarnabhumi

Sun 9/1

2 stops36h 17m

$1,170

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Sun 9/15

2 stops39h 29m

Bangkok Suvarnabhumi

Sat 9/28

2 stops34h 35m

$1,218

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Tue 9/10

2 stops35h 10m

Bangkok Suvarnabhumi

Tue 10/8

2 stops33h 28m

$1,301

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Wed 7/3

2 stops47h 17m

Bangkok Suvarnabhumi

Mon 7/8

2 stops47h 25m

$1,632

Lambert-St LouisBangkok Suvarnabhumi

STL - BKK

STLBKK

Lambert-St Louis

Sun 8/11

2 stops37h 21m

Bangkok Suvarnabhumi

Sat 8/24

2 stops49h 18m

$1,683

Flights are sorted by cheapest first

Deals found on 6/5

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

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Suvarnabhumi. Price data was last updated on May 31, 2024.
To ensure you get the cheapest price possible for a flight from St. Louis to Bangkok Suvarnabhumi Airport, you should look to book at least 80 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Suvarnabhumi. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Bangkok Suvarnabhumi Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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

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

Temperature and rainfall in Suvarnabhumi by month

Plan your trip to Suvarnabhumi by taking into account the average temperature and rainfall totals by month.

BKK

Temperature

78.8 - 86 °F

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

Get insights into the airlines that provide service to Suvarnabhumi. 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 Suvarnabhumi. Reviews last updated June 6, 2024.
Read reviews from past customers who have flown Japan Airlines, United Airlines and Delta 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.
8.5
Very good
912 reviews

Boarding

8.6

Crew

8.8

Comfort

8.3

Food

7.8

Entertainment

8.0

Overall

8.5

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.

8.5
Very good
912 reviews
8.5
Very good
912 reviews

Boarding

8.6

Crew

8.8

Comfort

8.3

Food

7.8

Entertainment

8.0

Overall

8.5

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.

8.3
Very good
1,462 reviews
8.5
Very good
912 reviews

Boarding

8.6

Crew

8.8

Comfort

8.3

Food

7.8

Entertainment

8.0

Overall

8.5

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.

8.0
Very good
10,368 reviews
8.5
Very good
912 reviews

Boarding

8.6

Crew

8.8

Comfort

8.3

Food

7.8

Entertainment

8.0

Overall

8.5

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.

7.9
Good
1,489 reviews
8.5
Very good
912 reviews

Boarding

8.6

Crew

8.8

Comfort

8.3

Food

7.8

Entertainment

8.0

Overall

8.5

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.

7.7
Good
4,312 reviews
8.5
Very good
912 reviews

Boarding

8.6

Crew

8.8

Comfort

8.3

Food

7.8

Entertainment

8.0

Overall

8.5

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 Suvarnabhumi. 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 Suvarnabhumi?

    Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to Bangkok Suvarnabhumi from St. Louis. Booking flights from Lambert-St Louis (STL) to Bangkok Suvarnabhumi should be relatively easy as there are 0 daily outbound flights to Bangkok Suvarnabhumi from 13 different airlines.

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

    Yes, there are multiple flights from St. Louis to Bangkok Suvarnabhumi Airport for under $1,200. The cheapest flight booked recently is on Delta for just $1,150, but on average you can expect to pay $1,180.

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

    Delta, at $1,150, was found to be the cheapest airline from St. Louis to Bangkok Suvarnabhumi Airport.Alternate airlines to your destination round-trip include American Airlines and Japan Airlines. You may be able to fly from St. Louis to Bangkok Suvarnabhumi Airport for 32% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $636. American Airlines flights start at $639 while deals on Japan Airlines start at $643 one-way.

  • 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.

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

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

    Most Doha visitors opt to spend their time experiencing Katara Cultural Village, Aspire Tower, and Museum of Islamic Art. Travelers on a layover in Doha can visit Katara Cultural Village, Aspire Tower, and Museum of Islamic Art, by traveling 8.7 mi, 10.6 mi, and 5.2 mi, respectively after landing at Doha Hamad Intl. Those landing in Doha looking to spend some time exploring during their layover can rent a car for about $37 per day.

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

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

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

    Yes, Cheapflights allows you to browse and filter St. Louis to Suvarnabhumi 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 Suvarnabhumi that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Suvarnabhumi 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 Suvarnabhumi that allow pets onboard?

    Many airlines flying from St. Louis to Suvarnabhumi 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 Suvarnabhumi?

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

    The St. Louis to Bangkok Suvarnabhumi Airport flight deals you see on this page were last updated on 6/6.

  • What are the most popular airlines that fly from St. Louis to Bangkok Suvarnabhumi Airport?

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

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Bangkok Suvarnabhumi Airport (average of $1,046). Flying from St. Louis to Bangkok Suvarnabhumi Airport in June is currently the most expensive (average of $1,592). 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

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Alternative routes for St. Louis to Suvarnabhumi
See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from St. Louis to Suvarnabhumi

Discover the top 10 airlines that operate flights from St. Louis to Suvarnabhumi. 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 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$1,006Average$1,674FlexibilityNo cancel feeOn-time76%
ANACheapest$1,130Average$2,172FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$1,158Average$1,852FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$1,243Average$1,499FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$1,243Average$1,841FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$1,258Average$2,073FlexibilityNo cancel feeOn-time79%
Cathay PacificCheapest$1,279Average$1,612FlexibilityNo cancel feeOn-time72%
Qatar AirwaysCheapest$1,330Average$1,411FlexibilityNo cancel feeOn-time68%
LufthansaCheapest$1,410Average$1,676FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$1,424Average$1,545FlexibilityNo cancel feeOn-time71%

Search flights from St. Louis to Suvarnabhumi by cabin class

Find flights from St. Louis to Suvarnabhumi, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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