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

SEA — BKK
29 Mar — 5 Apr1
1 adult

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 2025

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 24 March 2025.

One-way from

฿32,945

Return from

฿44,694

Popular in

December

Cheapest in

February

Average price (all airlines)

฿28,171
Japan Airlines
  • Japan Airlines
  • 13/4
  • 2 total stops
  • 43h 02m total
  • Seattle to Bangkok
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Japan Airlines
  • Japan Airlines
  • 19/9-4/10
  • 4 total stops
  • 65h 08m total
  • Seattle to Bangkok
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Highest demand for flights from Seattle/Tacoma Intl to Bangkok Suvarnabhumi; 2% potential price increase.
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Best time to find cheap flights from Seattle/Tacoma Intl to Bangkok Suvarnabhumi; 2% 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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  • How do most travelers feel about Japan Airlines?

    When planning your SEA-BKK trip, keep in mind that Japan Airlines is typically rated 8.4/10. This rating comes from 1,047 reviews by Cheapflights users who have traveled with Japan Airlines.

Find Japan Airlines flight deals from Seattle to Suvarnabhumi

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 24 March 2025.

Sat 26/406:08SEA - BKK
2 stops32h 32mJapan Airlines
Sun 18/500:25BKK - SEA
2 stops24h 00mJapan Airlines
Deal found 23/3฿50,484

Travel insights for Japan Airlines flights from Seattle to Suvarnabhumi

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

How far ahead should I book a flight from Seattle to Bangkok Suvarnabhumi Airport with Japan Airlines?

Use this chart to determine the optimal time to book a return flight from Seattle to Suvarnabhumi. Price data was last updated on 21 March 2025.

Booking with Japan Airlines 17 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Bangkok Suvarnabhumi Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seattle to Bangkok Suvarnabhumi Airport with Japan Airlines?

Currently, the most affordable month to book a Japan Airlines flight from Seattle to Bangkok Suvarnabhumi Airport in September, with an average price of ฿27,900. Conversely, traveling with Japan Airlines from Seattle to Bangkok Suvarnabhumi Airport in June will be the most expensive, with an average cost of ฿73,407. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

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 24 March 2025.
EVA Air flights from Seattle/Tacoma Intl to Bangkok Suvarnabhumi
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 24 March 2025.
Japan Airlines
8.3
Very Good
1,440 reviews
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Overview

Comfort

8.2

Entertainment

7.8

Food

7.7

Boarding

8.4

Crew

8.7
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