Find flights
Flight research
Deals
Japan Airlines Reviews
Thailand (ภาษาไทย)
ภาษาไทย

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

STL — BKK
22 Jul — 29 Jul1
1 adult

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 2025

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 17 July 2025.

One-way from

฿17,122

Return from

฿31,158

Popular in

December

Cheapest in

September

Average price (all airlines)

฿53,804
Japan Airlines
  • Japan Airlines
  • 28/7
  • 2 total stops
  • 34h 26m total
  • St. Louis to Bangkok
Search Deals
Japan Airlines
  • Japan Airlines
  • 8/9-14/9
  • 4 total stops
  • 68h 54m total
  • St. Louis to Bangkok
Search Deals
Highest demand for flights from Lambert-St Louis to Bangkok Suvarnabhumi; 1% potential price increase.
Search Deals
Best time to find cheap flights from Lambert-St Louis to Bangkok Suvarnabhumi; 2% potential price drop.
Search Deals
Average price for all Lambert-St Louis to Bangkok Suvarnabhumi flights (one-way and round-trip).
Search Deals

Find Japan Airlines flight deals from St. Louis to Suvarnabhumi

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 17 July 2025.

Mon 8/906:20STL - BKK
2 stops34h 20mJapan Airlines
Sun 14/900:25BKK - STL
2 stops34h 34mJapan Airlines
Deal found 17/7฿31,158

Travel insights for Japan Airlines flights from St. Louis to Suvarnabhumi

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

Rainfall in Suvarnabhumi by month

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

In terms of precipitation, rainfall in Bangkok Suvarnabhumi Airport ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Bangkok Suvarnabhumi Airport when rainfall is around 10.0 mm.

Temperature in Suvarnabhumi by month

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

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 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

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.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 17 July 2025.
Japan Airlines
8.3
Very Good
1,515 reviews
Check prices
Overview

Boarding

8.4

Comfort

8.2

Food

7.7

Crew

8.7

Entertainment

7.8

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.