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

SEA — BKK
10 Jul — 17 Jul1
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 5 July 2025.

One-way from

฿15,853

Return from

฿25,559

Popular in

December

Cheapest in

February

Average price (all airlines)

฿34,488
Japan Airlines
  • Japan Airlines
  • 19/7
  • 2 total stops
  • 30h 40m total
  • Seattle to Bangkok
Japan Airlines
  • Japan Airlines
  • 5/9-14/9
  • 4 total stops
  • 60h 43m total
  • Seattle to Bangkok
Highest demand for flights from Seattle/Tacoma Intl to Bangkok Suvarnabhumi; 6% potential price increase.
Best time to find cheap flights from Seattle/Tacoma Intl to Bangkok Suvarnabhumi; 3% potential price drop.
Average price for all Seattle/Tacoma Intl to Bangkok Suvarnabhumi flights (one-way and round-trip).
  • Can I get a flight from Seattle to Bangkok Suvarnabhumi Airport on Japan Airlines for under ฿1,100?

    Cheapflights users have found 1 Japan Airlines flights for under ฿1,100 on the SEA-BKK route. Prices on flights to Bangkok Suvarnabhumi Airport from Seattle can vary based on many factors including dates. To look at price based on your preferred dates, click here.

  • 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 1,100 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 5 July 2025.

Sun 31/813:30SEA - BKK
2 stops25h 10mJapan Airlines
Sat 6/900:25BKK - SEA
2 stops48h 00mJapan Airlines
Deal found 3/7฿27,014

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.

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 December, with an average price of ฿23,456. Conversely, traveling with Japan Airlines from Seattle to Bangkok Suvarnabhumi Airport in May will be the most expensive, with an average cost of ฿72,211. 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 5 July 2025.

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 5 July 2025.
Japan Airlines
8.3
Very Good
1,503 reviews
Overview

Comfort

8.2

Boarding

8.4

Crew

8.7

Entertainment

7.8

Food

7.7

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