SIN - SEA

$442 Find Cheap Flights from Singapore to Seattle - Compare and Save

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Everything you should know

Cheapest round-trip
$816
Typical prices: $849-$1,043
Korean Air, Singapore Airlines
Sat 2/3Fri 2/16
SIN - SEA • 1 stop
Cheapest non-stop
$1,055
Typical prices: $1,004-$1,261
Singapore Airlines
Sat 2/10Fri 2/16
SIN - SEA • Non-stop
Nonstop flights
You can fly direct with Singapore Airlines. Average duration is 14h 10m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 87% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 24 weeks in advance save around 39% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 10% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $878 (round-trip)
Shortest trip • 19h 17m (one-way)
Insights
Insights
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We hope you love your trip to Seattle!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Singapore to Seattle (SIN-SEA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Singapore to Seattle

Wed, Feb 3 - Tue, Feb 16
Multiple Airlines Logo
1:40 am - 9:05 amSIN  Singapore Changi-SEA Seattle/Tacoma Intl
23h 25m1 stop Incheon Intl
Multiple Airlines Logo
8:40 am - 5:45 pmSEA  Seattle/Tacoma Intl-SIN Singapore Changi
17h 05mnonstop
$815Multiple Airlines
Wed, Feb 3 - Tue, Feb 16
Multiple Airlines Logo
1:40 am - 9:05 amSIN  Singapore Changi-SEA Seattle/Tacoma Intl
23h 25m1 stop Incheon Intl
Multiple Airlines Logo
8:40 am - 5:45 pmSEA  Seattle/Tacoma Intl-SIN Singapore Changi
17h 05mnonstop
$816Multiple Airlines
Thu, Feb 4 - Tue, Feb 16
Multiple Airlines Logo
10:30 pm - 2:10 pmSIN  Singapore Changi-SEA Seattle/Tacoma Intl
31h 40m1 stop Incheon Intl
Multiple Airlines Logo
8:40 am - 5:45 pmSEA  Seattle/Tacoma Intl-SIN Singapore Changi
17h 05mnonstop
$822Multiple Airlines
Thu, Feb 4 - Tue, Feb 16
Multiple Airlines Logo
10:30 pm - 2:10 pmSIN  Singapore Changi-SEA Seattle/Tacoma Intl
31h 40m1 stop Incheon Intl
Multiple Airlines Logo
8:40 am - 5:45 pmSEA  Seattle/Tacoma Intl-SIN Singapore Changi
17h 05mnonstop
$823Multiple Airlines
Tue, Jan 19 - Tue, Jan 19
STARLUX Airlines Logo
2:45 pm - 3:05 pmSIN  Singapore Changi-SEA Seattle/Tacoma Intl
16h 20m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
11:45 pm - 1:25 pmSEA  Seattle/Tacoma Intl-SIN Singapore Changi
21h 40m1 stop Taipei City Taiwan Taoyuan Intl
$923STARLUX Airlines
Thu, Dec 24 - Sat, Jan 2
STARLUX Airlines Logo
2:45 pm - 3:05 pmSIN  Singapore Changi-SEA Seattle/Tacoma Intl
16h 20m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
11:45 pm - 1:25 pmSEA  Seattle/Tacoma Intl-SIN Singapore Changi
21h 40m1 stop Taipei City Taiwan Taoyuan Intl
$970STARLUX Airlines
Tue, Dec 22 - Sat, Jan 2
STARLUX Airlines Logo
2:45 pm - 3:05 pmSIN  Singapore Changi-SEA Seattle/Tacoma Intl
16h 20m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
11:45 pm - 1:25 pmSEA  Seattle/Tacoma Intl-SIN Singapore Changi
21h 40m1 stop Taipei City Taiwan Taoyuan Intl
$970STARLUX Airlines
Wed, Feb 10 - Tue, Feb 16
Singapore Airlines Logo
8:55 am - 7:05 amSIN  Singapore Changi-SEA Seattle/Tacoma Intl
14h 10mnonstop
Singapore Airlines Logo
8:40 am - 5:45 pmSEA  Seattle/Tacoma Intl-SIN Singapore Changi
17h 05mnonstop
$1,055Singapore Airlines
Sun, Dec 13 - Wed, Feb 17
Singapore Airlines Logo
8:55 am - 7:05 amSIN  Singapore Changi-SEA Seattle/Tacoma Intl
14h 10mnonstop
Singapore Airlines Logo
8:40 am - 5:45 pmSEA  Seattle/Tacoma Intl-SIN Singapore Changi
17h 05mnonstop
$1,158Singapore Airlines
Fri, Jan 15 - Fri, Jan 22
Singapore Airlines Logo
8:55 am - 7:05 amSIN  Singapore Changi-SEA Seattle/Tacoma Intl
14h 10mnonstop
Singapore Airlines Logo
8:40 am - 5:45 pmSEA  Seattle/Tacoma Intl-SIN Singapore Changi
17h 05mnonstop
$1,161Singapore Airlines
Booking Insights

Price, demand and travel trends for Singapore to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Singapore to Seattle?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Singapore to Seattle. It’s 7% cheaper than the average day, while Saturday is the most expensive, with prices 8% higher.

What’s the cheapest month to fly from Singapore to Seattle?

•February is the cheapest month to fly from Singapore to Seattle at $835 round-trip.
•April ($1,093) and October ($1,013) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 30% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Singapore to Seattle the cheapest?

Flights from Singapore to Seattle are cheapest 24 weeks before departure. Booking in this window typically costs about 39% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Singapore to Seattle

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Jessica Macdonald

Jessica Macdonald

Expert on SIN

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Harriet Baskas

Harriet Baskas

Expert on SEA

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Key details for Singapore to Seattle flights

Low season

August

Cheapest flight

$443
Beat the crowds with an average 29% drop in travelers.
The most popular month to fly with an average 49% increase in travelers.
One-way flight from Singapore to Seattle

When to book flights from Singapore to Seattle

Are your dates flexible? Find out the best times to travel from Singapore to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Singapore to Seattle flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Singapore to Seattle?

    These are the earliest and latest flight times currently scheduled from Singapore to Seattle:

    • Earliest: departs at 8:55 am and lands at 11:05 pm
    • Latest: departs at 8:55 am and lands at 11:05 pm.

    The flight takes about 14h 10m.

  • What cabin classes can I book on flights from Singapore to Seattle?

    Three cabin classes are available on flights from Singapore to Seattle:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Singapore to Seattle?

    A nonstop flight from Singapore to Seattle takes about 14h 10m, covering 8,059 miles.

  • Do I need a passport to fly from Singapore to Seattle?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Singapore to Seattle flight?

    Round-trip flights from Singapore to Seattle range from $849 to $1,043, with an average of $924 over the past 12 months. Anything below $849 counts as a good deal.

  • How expensive are last-minute Singapore to Seattle flights?

    Last-minute fares on this route (booked within two weeks of departure) run 50% above the $924 route average. Book 24 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Singapore to Seattle?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $878 round-trip via San Francisco (SFO), compared to $1,035 for nonstop.

  • How does on-time performance compare across airlines flying from Singapore to Seattle?

    Singapore Airlines is the only airline operating Singapore to Seattle flights. 87% of its flights are on time.

  • How are flight departures from Singapore to Seattle spread across the day?

    Flights between Singapore and Seattle typically depart in the morning.

  • How are flight prices from Singapore to Seattle looking right now?

    One-way fares from Singapore to Seattle are currently lower than usual. Average one-way flight prices are about $514, which is 13% below the typical average for this route.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates averaging $61 for economy cars. Top options include:

    • Europcar
    • Fox
    • Thrifty
    • Budget
    • Dollar

  • Which airports can I use when flying from Singapore to Seattle?

    Flights from Singapore to Seattle usually depart from Singapore Changi (SIN) and arrive at Seattle/Tacoma Intl (SEA).

  • What time of day has the fewest delays on flights from Singapore to Seattle?

    Morning flights have the fewest delays on this route.

  • At what point is a flight considered delayed from Singapore to Seattle?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Singapore to Seattle route, 13% of flights were delayed in the past 3 months, with delays averaging 1h 25m.

  • Which airports do connecting flights from Singapore to Seattle pass through?

    One-stop flights from Singapore to Seattle most commonly connect through:

    • Taipei City Taiwan Taoyuan Intl (TPE) - 59% of one-stop connections
    • Vancouver Intl (YVR) - 18% of one-stop connections
    • Incheon Intl (ICN) - 7% of one-stop connections
    • Tokyo Haneda (HND) - 6% of one-stop connections

  • Can I save money by using flexible dates for flights from Singapore to Seattle?

    Yes. Flexible dates can save you up to 15% on flights from Singapore to Seattle. Monday is the cheapest departure day at $861 round-trip on average, while Saturday is the most expensive at $1,006, a difference of $145.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Singapore to Seattle?

    Only Singapore Airlines currently operates flights between Singapore and Seattle on a regular basis.

  • How much time can I save by choosing a different layover airport from Singapore to Seattle?

    Flying via Taipei City Taiwan Taoyuan Intl (TPE) gives the shortest average 1-stop total travel time at 19h 17m, compared with 19h 23m via Tokyo Narita (NRT) and 20h 39m via Manila Ninoy Aquino Intl (MNL).

  • What is the time difference between Singapore and Seattle?

    Seattle is 16 hours behind Singapore (Pacific Time vs Singapore Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

  • Which airlines offer free seat selection on Singapore to Seattle flights?

    Only Singapore Airlines currently offers free seat selection on this route. Availability depends on fare class.

  • Which airlines offer extra legroom on Singapore to Seattle flights?

    None of the airlines on this route currently offer extra legroom.

  • Which airlines include bags at no extra cost on Singapore to Seattle flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Singapore Airlines: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Singapore to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Saturday. On this route, Monday flights average $861, about $145 less than Saturday fares (14% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 24 weeks before you fly. On this route, that window historically saves about 39% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Singapore to Seattle trip for February. Fares historically average $835 round-trip in that month - typically $258 less than the most expensive month, which is April (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through San Francisco Airport (SFO) can be cheaper than flying direct. The cheapest layover option averages $878 round-trip on this route - about $157 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.

    • Coast Gateway Hotel
    • Seattle Airport Marriott
    • Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

Prefer to fly direct from Singapore to Seattle?

 
Find which airlines fly direct from Singapore Changi Airport to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

Singapore Changi to Seattle/Tacoma Intl

Tuesday

Singapore Airlines

Singapore Airlines

Wednesday

Singapore Airlines

Singapore Airlines

Friday

Singapore Airlines

Singapore Airlines

Saturday

Singapore Airlines

Singapore Airlines

Sunday

Singapore Airlines

Singapore Airlines

See more direct flights

Direct returns

Seattle/Tacoma Intl to Singapore Changi

Tuesday

Singapore Airlines

Singapore Airlines

Wednesday

Singapore Airlines

Singapore Airlines

Friday

Singapore Airlines

Singapore Airlines

Saturday

Singapore Airlines

Singapore Airlines

Sunday

Singapore Airlines

Singapore Airlines

See more direct flights

More options for your flight from Singapore to Seattle

Complete your trip to Seattle with a hotel stay or car rental