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Flights from Singapore to Seattle

Compare 2 flight options on JAL

* Based on 23 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$1,573.00
Flight Time17h 45m - 26h 50m
StopsUp to 2 stops

Fares by Cabin Class

Economy$1,573 ~ $5,445
Business$10,864 ~ $10,905

Available Route Options

2 different routing options available for this route

Outbound/ReturnFlight TimeStopsEconomyBusiness
OutboundSIN Singapore → NRT Narita → SEA Seattle
ReturnSEA Seattle → NRT Narita → SIN Singapore
17h 45m19h 55m
1stop1stop
$1,573~$10,864~
OutboundSIN Singapore → HND Haneda → LAX Los Angeles → SEA Seattle
ReturnSEA Seattle → NRT Narita → SIN Singapore
26h 50m19h 55m
2stop1stop
$1,591~-
Book on Japan Airlines Official Website→
Search real-time Singapore to Seattle 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$1,573 - $5,4457,863 - 27,226500 - 5007,863 - 27,226500 - 500
Business$10,864 - $10,90554,321 - 54,52550054,321 - 54,525500
Learn more about JAL Mileage Bank →

Flight Itineraries & Booking Class Details

Browse 2 available flight options from Singapore to Seattle. 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
SINSingapore → NRTNarita → SEASeattle(17.8h+)SEASeattle → NRTNarita → SINSingapore(19.9h+)
16,174 mi
Economy (Booking Class V, V, L, L)
$1,573
7,863FLY ON Points500 FLY ON Points/$100
7,863Miles500 Miles/$100
▼
Economy (Booking Class N, N, M, M)
$1,610 - $2,192
8,050 - 10,961FLY ON Points500 FLY ON Points/$100
8,050 - 10,961Miles500 Miles/$100
▼
Economy (Booking Class M, M, V, V)
$1,697
8,486FLY ON Points500 FLY ON Points/$100
8,486Miles500 Miles/$100
▼
Premium Eco/Economy (Booking Class E)
$3,144 - $3,155
15,717 - 15,776FLY ON Points500-500 FLY ON Points/$100
15,717 - 15,776Miles500-500 Miles/$100
▼
Economy (Booking Class Y)
$5,425 - $5,445
27,125 - 27,226FLY ON Points500 FLY ON Points/$100
27,125 - 27,226Miles500 Miles/$100
▼
Premium Eco/Economy (Booking Class W)
$5,425 - $5,445
27,125 - 27,226FLY ON Points500 FLY ON Points/$100
27,125 - 27,226Miles500 Miles/$100
▼
Business (Booking Class J)
$10,864 - $10,905
54,321 - 54,525FLY ON Points500 FLY ON Points/$100
54,321 - 54,525Miles500 Miles/$100
▼
SINSingapore → HNDHaneda → LAXLos Angeles → SEASeattle(26.8h+)SEASeattle → NRTNarita → SINSingapore(19.9h+)
17,813 mi
Economy (Booking Class L)
$1,591
7,955FLY ON Points500 FLY ON Points/$100
7,955Miles500 Miles/$100
▼
Economy (Booking Class Y)
$5,428
27,138FLY ON Points500 FLY ON Points/$100
27,138Miles500 Miles/$100
▼
Premium Eco/Economy (Booking Class W)
$5,428
27,138FLY ON Points500 FLY ON Points/$100
27,138Miles500 Miles/$100
▼
First/Business (Booking Class J)
$10,867
54,334FLY ON Points500 FLY ON Points/$100
54,334Miles500 Miles/$100
▼

FAQ

You can earn between 7,863 and 54,525 Loyalty Points depending on booking class. Economy: 7,863–27,226. Business: 54,321–54,525. First/Business (Mixed): 54,334–54,334. Premium Economy/Economy (Mixed): 15,717–27,226.

The lowest fare starts at $1,573. Economy from $1,573. Business from $10,864. First/Business (Mixed) from $10,867. Premium Economy/Economy (Mixed) from $3,144.

Economy class offers better Loyalty Points per cost. Economy: up to 500.1, Business: up to 500.0.

Yes. American Airlines flights can also be credited to: FLY ON Points (JAL), Tier Points (BA).

The shortest flight time is approximately 17.8h.

Seattle on other airlines

ANATurkishBritish AirwaysUnitedSingaporeAmericanAlaskaQatarLufthansaCompare All

Other destinations from Singapore

VancouverLos AngelesBostonSan FranciscoDallasChicago
OriginSINSingaporeChange
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DestinationSEASeattle
Destinations (9)
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