Flights from Seattle to Brussels

Compare 1 flight options on JAL

* Based on 3 flight price data points (fetched: 2026-02-14). 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$10,549.00
Flight Time30h - 36h 10m
Stops1 stop

Fares by Cabin Class

Economy$10,549
Premium Eco$15,513
Business$38,096

Available Route Options

Outbound/ReturnFlight TimeStopsEconomyPremium EcoBusiness
OutboundSEA SeattleSIN SingaporeBRU Brussels
ReturnBRU BrusselsSIN SingaporeSEA Seattle
36h 10m30h
1stop1stop
$10,549~$15,513~$38,096~

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$10,549 - $10,54929,25627729,256277
Premium Eco$15,513 - $15,51336,56823636,568236
Business$38,096 - $38,09643,88411543,884115
Learn more about JAL Mileage Bank

Flight Itineraries & Booking Class Details

Browse 1 available flight options from Seattle to Brussels. 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
SEASeattleSINSingaporeBRUBrussels(36.2h+)BRUBrusselsSINSingaporeSEASeattle(30.0h+)
29,256 mi
Economy (Booking Class Y)
$10,549
29,256FLY ON Points277 FLY ON Points/$100
29,256Miles277 Miles/$100
Premium Eco (Booking Class S)
$15,513
36,568FLY ON Points236 FLY ON Points/$100
36,568Miles236 Miles/$100
Business (Booking Class C)
$38,096
43,884FLY ON Points115 FLY ON Points/$100
43,884Miles115 Miles/$100

FAQ

You can earn between 29,256 and 43,884 Elite Miles depending on booking class. Economy: 29,256–29,256. Premium Economy: 36,568–36,568. Business: 43,884–43,884.

The lowest fare starts at $10,549. Economy from $10,549. Premium Economy from $15,513. Business from $38,096.

Economy class offers better Elite Miles per cost. Economy: up to 277.3, Business: up to 115.2.

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 36.2h.

OriginSEASeattleChange
DestinationBRUBrussels
Destinations (25)
Airline