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Flights from Seattle to Bangkok

Compare 1 flight options on JAL

* Based on 798 flight price data points (fetched: 2026-02-14 〜 2026-02-22). Not real-time data and may not cover all departure dates. Please check the airline's official website for the latest fares and availability.

Lowest Fare$1,168.00
Flight Time19h 45m - 24h 15m
Stops1 stop

Fares by Cabin Class

Economy$1,168 ~ $2,695

Available Route Options

Outbound/ReturnFlight TimeStopsEconomy
OutboundSEA Seattle → SIN Singapore → BKK Bangkok
ReturnBKK Bangkok → SIN Singapore → SEA Seattle
19h 45m24h 15m
1stop1stop
$1,168~
Book on Japan Airlines Official Website→
Search real-time Seattle to Bangkok flights on Expedia→

Compare fares with other airlines

Compare fares from different airlines operating on this route. Click on any airline to view detailed flight information and mileage earning potential.

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Miles & Status Points Earning

(when crediting to JAL Mileage Bank)

When crediting this Japan Airlines flight to JAL Mileage Bank, you earn both FLY ON Points (for elite status) and Miles (for award tickets). Here's how they work:

  • FLY ON Points: FLY ON Points are used for elite status qualification. Accumulate enough points within a calendar year to achieve higher status tiers, which unlock benefits like lounge access, priority boarding, bonus miles, and complimentary upgrades. Status points are calculated based on fare price or flight distance depending on the airline.
  • Miles: Miles are your reward currency for free flights. Redeem accumulated miles for award tickets on the airline and its partners. Miles earned depend on flight distance and your booking class. Higher booking classes earn more miles per flight.

The "FLY ON Points/$100" and "Miles/$100" columns show earning efficiency - higher numbers mean better value for your money. Compare different cabin classes to find the best balance between comfort and mileage earning.

As a oneworld member, Japan Airlines flights can be credited to partner programs. Compare earning potential:Executive Club, AAdvantage

CabinFareFLY ON PointsFLY ON Points/$100MilesMiles/$100
Economy$1,168 - $2,69511,194 - 13,434463 - 110511,194 - 13,434463 - 1105
Learn more about JAL Mileage Bank →

Flight Itineraries & Booking Class Details

Browse 1 available flight options from Seattle to Bangkok. Each itinerary shows the route, layover cities, flight duration, and detailed fare information.

📘What are booking classes?

Even within the same Economy cabin, tickets have hidden categories called "booking classes." Cheaper tickets get lower booking classes (Q, V, etc.) while expensive tickets get higher ones (Y, B, etc.). This dramatically affects how many miles you earn. On popular dates, cheaper booking classes sell out first, so closer to departure you may only find expensive fares—which do earn more miles. Click any fare to see the calculation details.

💡Smart booking tips

To maximize miles earned per dollar spent, look for fares with higher "Points/cost" or "Miles/cost" values. However, keep in mind that booking class also affects change/cancellation flexibility—cheaper fares often have stricter policies.

Flight List
SEASeattle → SINSingapore → BKKBangkok(19.8h+)BKKBangkok → SINSingapore → SEASeattle(24.3h+)
17,912 mi
Economy (Booking Class Q, Q, W, W)
$1,168 - $2,333
11,194FLY ON Points480-958 FLY ON Points/$100
11,194Miles480-958 Miles/$100
▼
Economy (Booking Class H, H, K, K)
$1,179 - $2,420
11,194FLY ON Points463-949 FLY ON Points/$100
11,194Miles463-949 Miles/$100
▼
Economy (Booking Class W)
$1,216 - $2,383
13,432FLY ON Points564-1105 FLY ON Points/$100
13,432Miles564-1105 Miles/$100
▼
Economy (Booking Class E, E, K, K)
$1,441 - $2,695
13,434FLY ON Points499-932 FLY ON Points/$100
13,434Miles499-932 Miles/$100
▼
Premium Eco/Economy (Booking Class R, R, W, W)
$1,613 - $4,296
15,672FLY ON Points365-972 FLY ON Points/$100
15,672Miles365-972 Miles/$100
▼
Premium Eco/Economy (Booking Class L, L, W, W)
$1,784 - $4,472
15,672FLY ON Points350-879 FLY ON Points/$100
15,672Miles350-879 Miles/$100
▼
Premium Eco/Economy (Booking Class T, T, K, K)
$2,147 - $5,173
15,672FLY ON Points303-730 FLY ON Points/$100
15,672Miles303-730 Miles/$100
▼
Premium Eco/Economy (Booking Class S, S, K, K)
$2,307 - $5,328
15,672FLY ON Points294-679 FLY ON Points/$100
15,672Miles294-679 Miles/$100
▼
Business/Premium Eco/Economy (Booking Class U, U, P, P)
$4,153 - $6,459
20,150FLY ON Points312-485 FLY ON Points/$100
20,150Miles312-485 Miles/$100
▼
Business/Premium Eco/Economy (Booking Class J, J, P, P)
$4,875 - $7,208
22,390FLY ON Points311-459 FLY ON Points/$100
22,390Miles311-459 Miles/$100
▼

FAQ

You can earn between 11,194 and 22,390 Elite Miles depending on booking class. Economy: 11,194–13,434. Business/Premium Economy/Economy (Mixed): 20,150–22,390. Premium Economy/Economy (Mixed): 15,672–15,672.

The lowest fare starts at $1,168. Economy from $1,168. Business/Premium Economy/Economy (Mixed) from $4,153. Premium Economy/Economy (Mixed) from $1,613.

Yes. Singapore Airlines flights can also be credited to: Premium Points (ANA), Status Miles (TK), PQP (UA), Status Points (LH).

The shortest flight time is approximately 19.8h.

Bangkok on other airlines

ANATurkishBritish AirwaysUnitedSingaporeAmericanAlaskaQatarLufthansaCompare All

Other destinations from Seattle

ManilaBeijingFrankfurtSingaporeDelhiBrussels
OriginSEASeattleChange
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DestinationBKKBangkok
Destinations (25)
Airline