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Japan Airlines flights from St. Louis to Bangkok Suvarnabhumi Airport (STL - BKK)

STL — BKK
20 Jun — 27 Jun1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from St. Louis to Bangkok on Japan Airlines typically fly into Bangkok Suvarnabhumi and depart from Lambert-St Louis. Select your dates above for pricing.

Japan Airlines flights from St. Louis to Suvarnabhumi in 2026

Find detailed information about Japan Airlines flights from St. Louis to Suvarnabhumi. Explore the options provided by Japan Airlines to plan your journey from St. Louis to Suvarnabhumi. Data last updated 21 May 2026.

Return from

฿76,211

Popular in

December

Cheapest in

February

Average price (all airlines)

฿46,934
Japan Airlines
  • Japan Airlines
  • 17/9-2/10
  • 4 total stops
  • 53h 21m total
  • St. Louis to Bangkok
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Highest demand for flights from Lambert-St Louis to Bangkok Suvarnabhumi; 5% potential price increase.
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Best time to find cheap flights from Lambert-St Louis to Bangkok Suvarnabhumi; 3% potential price drop.
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Average price for all Lambert-St Louis to Bangkok Suvarnabhumi flights (one-way and round-trip).
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Best Japan Airlines flights from St. Louis to Suvarnabhumi
Discover carefully curated Japan Airlines flight deals from St. Louis to Suvarnabhumi that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 May 2026.

Thu 17/907:01
STL
-
BKK
2 stops27h 59m
Japan Airlines
Fri 2/1009:40
BKK
-
STL
2 stops25h 22m
Japan Airlines
Deal found 17/5฿76,211
Mon 12/1007:38
STL
-
BKK
2 stops34h 07m
Japan Airlines
Sat 24/1021:40
BKK
-
STL
2 stops37h 25m
Japan Airlines
Deal found 19/5฿81,466

Which month is the cheapest to fly Economy class from St. Louis to Bangkok Suvarnabhumi Airport?

For Economy class flights, the cheapest month to fly this route is February. The most expensive months are June and July.

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 return 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.

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See what others are saying about Japan Airlines

Read reviews and see what other travellers are saying about their experiences with Japan Airlines. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Japan Airlines for your next flight. Reviews last updated 21 May 2026.
Japan Airlines
8.3
Very Good
1,825 reviews
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Overview

Boarding

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.8

Food

7.7

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