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Seattle-Tacoma International Airport to Singapore Changi Airport flight
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Cheap Flights from Seattle-Tacoma International Airport to Singapore Changi Airport

Search for flights from Seattle to Singapore and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
sortSort by: Lowest Price
  • Sort by: Lowest Price
  • Sort by: Earliest Flight
      • SEA07:08
        25h 2m
        2 stops
        SIN23:10
        Seattle - Singapore|Wed, May 15|Alaska Airlines
        $414$709
        42% OFF
        42% OFF
        $709$414
      • SEA07:29
        24h 41m
        2 stops
        SIN23:10
        Seattle - Singapore|Wed, May 15|Delta Air Lines
        $415$709
        41% OFF
        41% OFF
        $709$415
      • SEA07:08
        25h 2m
        2 stops
        SIN23:10
        Seattle - Singapore|Wed, May 8|Alaska Airlines
        $423$709
        40% OFF
        40% OFF
        $709$423
      • SEA15:45
        40h 25m
        2 stops
        SIN23:10
        Seattle - Singapore|Tue, May 7|Alaska Airlines
        $430
        $430
      • SEA13:30
        19h 50m
        1 stop
        SIN00:20
        Seattle - Singapore|Sun, Apr 28|Japan Airlines
        $453
        $453
      • SEA13:30
        19h 50m
        1 stop
        SIN00:20
        Seattle - Singapore|Mon, Apr 29|Japan Airlines
        $458
        $458
      • SEA13:30
        19h 50m
        1 stop
        SIN00:20
        Seattle - Singapore|Tue, Apr 30|Japan Airlines
        $459
        $459
      • SEA13:30
        19h 50m
        1 stop
        SIN00:20
        Seattle - Singapore|Sun, May 12|Japan Airlines
        $463
        $463
      • SEA05:15
        34h
        2 stops
        SIN06:15
        Seattle - Singapore|Tue, Apr 30|American Airlines
        $464
        $464
      • SEA07:00
        32h 15m
        2 stops
        SIN06:15
        Seattle - Singapore|Sun, Apr 28|American Airlines
        $476
        $476
      • SEA13:00
        3h 5m
        Direct
        SIN14:00
        Seattle - Singapore|Sun, May 5|Alaska Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from Seattle-Tacoma International Airport to Singapore Changi Airport

See which airlines fly from Seattle to Singapore. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

American Airlines
From $408
Alaska Airlines
From $414
Delta Air Lines
From $415
Japan Airlines
From $453
Korean Air
From $529
United Airlines
From $588
Air Canada
From $607
Virgin Atlantic
From $631
Hawaiian Airlines
From $631
Frontier Airlines
From $661
ANA airlines
Find more flights and airlines
Flight Schedule from Seattle-Tacoma International Airport to Singapore Changi Airport

Check the schedule for flights from Seattle to Singapore and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA501

    United Airlines

    05:30

    SEA

    2.2h

    07:43

    SFO

    S--WTFS
    Search

  2. UA029

    United Airlines

    11:00

    SFO

    16.5h

    18:30

    SIN

    SMTWTFS

  3. AS1166

    Alaska Airlines

    07:00

    SEA

    2.2h

    09:12

    SFO

    SMTW-FS
    Search

  4. SQ031

    Singapore Airlines

    11:05

    SFO

    17.1h

    19:10

    SIN

    SMTWTFS

  5. UA246

    United Airlines

    07:16

    SEA

    2.3h

    09:35

    SFO

    SMT-TF-
    Search

  6. UA029

    United Airlines

    11:00

    SFO

    16.5h

    18:30

    SIN

    SMTWTFS

  7. DL3736

    Delta Air Lines

    07:35

    SEA

    2.3h

    09:54

    SJC

    SMTWTFS
    Search

  8. ZG029

    ZIPAIR

    12:05

    SJC

    10.8h

    14:55

    NRT

    S-TW-FS

  9. ZG053

    ZIPAIR

    17:00

    NRT

    7.2h

    23:10

    SIN

    SMTWTFS

  10. SQ027

    Singapore Airlines

    10:15

    SEA

    16.3h

    Direct

    17:35

    SIN

    -M-W-F-
    Search

  11. KE042

    Korean Air

    13:00

    SEA

    11.7h

    16:40

    ICN

    SMTWTFS
    Search

  12. KE647

    Korean Air

    23:30

    ICN

    6.5h

    05:00

    SIN

    SMTWTFS

  13. KE042

    Korean Air

    13:00

    SEA

    11.7h

    16:40

    ICN

    SMTWTFS
    Search

  14. KE645

    Korean Air

    18:40

    ICN

    6.0h

    23:40

    SIN

    SMTWTFS

  15. AA8445

    American Airlines

    13:30

    SEA

    10.0h

    15:30

    NRT

    SMTWTFS
    Search

  16. AA8482

    American Airlines

    17:55

    NRT

    7.4h

    00:20

    SIN

    SMTWTFS

  17. JL067

    Japan Airlines

    13:30

    SEA

    10.0h

    15:30

    NRT

    SMTWTFS
    Search

  18. JL711

    Japan Airlines

    17:55

    NRT

    7.4h

    00:20

    SIN

    SMTWTFS

  19. UA1550

    United Airlines

    20:50

    SEA

    2.0h

    22:50

    SFO

    SMT--FS
    Search

  20. UA001

    United Airlines

    22:55

    SFO

    16.3h

    06:15

    SIN

    SMTWTFS
Find more flights and airlines

Seattle-Tacoma International Airport to Singapore Changi Airport Flights Info

Flight distance12,993.6km
Cheapest one-way ticket price$414
Cheapest return ticket price$793

FAQs for Seattle-Tacoma International Airport to Singapore Changi Airport Flights

  • How long is a flight from Seattle-Tacoma International Airport to Singapore Changi Airport?

    It takes around 16 hours 21 minutes to fly from Seattle-Tacoma International Airport (SEA) to Singapore Changi Airport (SIN).

  • How many daily flights are there from Seattle-Tacoma International Airport (SEA) to Singapore Changi Airport (SIN)?

    There are around 1 daily flights from Seattle-Tacoma International Airport (SEA) to Singapore Changi Airport (SIN).

  • When are flight tickets from Seattle-Tacoma International Airport (SEA) to Singapore Changi Airport (SIN) the cheapest?

    Tickets cost around $1,812 in May, making it the cheapest month to book. Seattle-Tacoma International Airport (SEA) to Singapore Changi Airport (SIN) is a popular route, so don't forget to book your tickets in advance.

  • When are flight tickets from Seattle-Tacoma International Airport (SEA) to Singapore Changi Airport (SIN) most expensive?

    The route from Seattle-Tacoma International Airport (SEA) to Singapore Changi Airport (SIN) is quite popular. Without considering departure times or holidays, tickets cost around $2,307 in June, the most expensive month to book this route.

  • What time does the earliest flight from Seattle-Tacoma International Airport to Singapore Changi Airport depart?

    The earliest flight departs from Seattle-Tacoma International Airport (SEA) at 09:55 and arrives in Singapore Changi Airport (SIN) at 17:35.

  • What is the transportation method from the main airport to downtown in Singapore?

    • The distance from Singapore Changi Airport to downtown is about 17km. It takes about 30 minutes by taxi.

  • What's the closest airport to Singapore Changi Airport (SIN)?

    The closest airport to Singapore Changi Airport (SIN) is Paya Lebar Airbase. The distance is around 8km.

  • Which airline operates the most direct flights from Seattle-Tacoma International Airport (SEA) to Singapore Changi Airport (SIN)?

    Singapore Airlines is a very popular airline operating an average of 453 flights per month.

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