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Japan Airlines flights from Seattle to Bangkok Suvarnabhumi Airport (SEA - BKK)

SEA — BKK
7 Apr — 14 Apr1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from Seattle to Bangkok on Japan Airlines typically fly into Bangkok Suvarnabhumi and depart from Seattle/Tacoma Intl. Select your dates above for pricing.

Japan Airlines flights from Seattle to Suvarnabhumi in 2026

Find detailed information about Japan Airlines flights from Seattle to Suvarnabhumi. Explore the options provided by Japan Airlines to plan your journey from Seattle to Suvarnabhumi. Data last updated 8 March 2026.

One-way from

฿87,809

Return from

฿29,788

Popular in

June

Cheapest in

September

Average price (all airlines)

฿23,887
Japan Airlines
  • Japan Airlines
  • 13/7
  • 1 total stop
  • 19h 35m total
  • Seattle to Bangkok
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Japan Airlines
  • Japan Airlines
  • 18/8-11/9
  • 4 total stops
  • 65h 11m total
  • Seattle to Bangkok
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Highest demand for flights from Seattle/Tacoma Intl to Bangkok Suvarnabhumi; 14% potential price increase.
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Best time to find cheap flights from Seattle/Tacoma Intl to Bangkok Suvarnabhumi; 3% potential price drop.
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Average price for all Seattle/Tacoma Intl to Bangkok Suvarnabhumi flights (one-way and round-trip).
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Find Japan Airlines flight deals from Seattle to Suvarnabhumi

Enter your travel dates to find the best prices.

Cheapest Japan Airlines flights from Seattle to Suvarnabhumi
Explore the most affordable Japan Airlines flight options available from Seattle to Suvarnabhumi. Find the lowest fares with prices last updated on 8 March 2026.

Mon 20/415:52
SEA
-
BKK
2 stops57h 18m
Japan Airlines
Sat 6/600:30
BKK
-
SEA
2 stops48h 20m
Japan Airlines
Deal found 4/3฿40,320
Thu 23/408:31
SEA
-
BKK
2 stops24h 29m
Japan Airlines
Sat 6/600:30
BKK
-
SEA
2 stops48h 20m
Japan Airlines
Deal found 4/3฿40,352
Mon 20/415:52
SEA
-
BKK
2 stops57h 18m
Japan Airlines
Wed 10/600:30
BKK
-
SEA
2 stops24h 20m
Japan Airlines
Deal found 4/3฿42,445

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 Seattle to Suvarnabhumi

Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi from Seattle 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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Fly from Seattle to Suvarnabhumi on another airline

Consider alternative airlines that service the Suvarnabhumi area. Flight routes are based on user searches made on Cheapflights and were last updated on 8 March 2026.
Korean Air flights from Seattle/Tacoma Intl to Bangkok Suvarnabhumi

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 8 March 2026.
Japan Airlines
8.3
Very Good
1,726 reviews
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Overview

Boarding

8.4

Food

7.7

Crew

8.7

Entertainment

7.8

Comfort

8.2

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