Cheap Flights from Seattle, WA to Singapore from $298

Return flight: Singapore – Seattle

On Cheapflightsplus.com you will find 1 direct and 860 connecting flights from Seattle to Singapore. You can compare airfare deals from 26 airlines and multiple travel sites from $298, book and save on cheap plane tickets and last minute offers. Also check out SEA-SIN flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Seattle to Singapore Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $298 (one-way), $511 (round-trip).
Direct flights
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Full flight schedule will help you in detecting at what time planes fly from Seattle to Singapore. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
10:15 — 17:35
+1 day
10:15 — 17:35 SQ27 Singapore Airlines
Seattle — Singapore
16h 20m
Find flight
from$298
05:00 — 18:25
+1 day
05:00 — 07:15 UA5657 United Airlines
Seattle — San Francisco
3h 30m stop
10:45 — 18:25 UA29 United Airlines
San Francisco — Singapore
22h 25m
including layover
Find flight
from$380
05:10 — 18:25
+1 day
05:10 — 07:22 UA706 United Airlines
Seattle — San Francisco
3h 38m stop
11:00 — 18:25 UA29 United Airlines
San Francisco — Singapore
22h 15m
including layover
Find flight
from$385
07:00 — 18:25
+1 day
07:00 — 09:19 UA2640 United Airlines
Seattle — San Francisco
1h 26m stop
11:00 — 18:25 UA29 United Airlines
San Francisco — Singapore
20h 25m
including layover
Find flight
from$378
07:00 — 18:25
+1 day
07:00 — 09:20 UA714 United Airlines
Seattle — San Francisco
1h 40m stop
11:00 — 18:25 UA29 United Airlines
San Francisco — Singapore
20h 25m
including layover
Find flight
from$385
09:50 — 06:15
+2 days
09:45 — 12:01 UA1470 United Airlines
Seattle — San Francisco
10h 46m stop
22:55 — 06:15 UA1 United Airlines
San Francisco — Singapore
29h 25m
including layover
Find flight
from$385
12:52 — 06:15
+2 days
12:52 — 15:07 UA1482 United Airlines
Seattle — San Francisco
7h 33m stop
22:40 — 06:15 UA1 United Airlines
San Francisco — Singapore
26h 23m
including layover
Find flight
from$381
13:20 — 23:40
+2 days
11:00 — 15:55 KE42 Korean Air
Seattle — Seoul
2h stop
18:35 — 00:10 KE645 Korean Air
Seoul — Singapore
19h 20m
including layover
Find flight
from$367
13:30 — 00:20
+2 days
12:10 — 15:40 JL67 Japan Airlines - JAL
Seattle — Tokyo
2h 30m stop
18:10 — 00:50 JL711 Japan Airlines - JAL
Tokyo — Singapore
19h 50m
including layover
Find flight
from$364
14:30 — 21:30
+2 days
12:40 — 17:50 OZ271 Asiana Airlines
Seattle — Seoul
22h 15m stop
16:20 — 21:55 OZ751 Asiana Airlines
Seoul — Singapore
40h
including layover
Find flight
from$332
14:50 — 06:15
+2 days
14:50 — 17:06 UA1620 United Airlines
Seattle — San Francisco
5h 49m stop
22:55 — 06:15 UA1 United Airlines
San Francisco — Singapore
24h 25m
including layover
Find flight
from$385
15:19 — 06:15
+2 days
15:19 — 17:35 UA2355 United Airlines
Seattle — San Francisco
5h 20m stop
22:55 — 06:15 UA1 United Airlines
San Francisco — Singapore
23h 56m
including layover
Find flight
from$387
15:23 — 06:15
+2 days
14:29 — 16:45 UA325 United Airlines
Seattle — San Francisco
5h 1m stop
22:55 — 06:15 UA1 United Airlines
San Francisco — Singapore
23h 52m
including layover
Find flight
from$380
16:30 — 06:40
+2 days
15:40 — 19:15 NH117 All Nippon Airways
Seattle — Tokyo
5h 40m stop
00:25 — 06:55 NH843 All Nippon Airways
Tokyo — Singapore
23h 10m
including layover
Find flight
from$365
16:30 — 17:15
+2 days
15:40 — 19:15 NH117 All Nippon Airways
Seattle — Tokyo
15h 55m stop
10:50 — 17:35 NH841 All Nippon Airways
Tokyo — Singapore
33h 45m
including layover
Find flight
from$365
17:35 — 06:15
+2 days
17:10 — 19:26 UA2482 United Airlines
Seattle — San Francisco
2h 53m stop
22:55 — 06:15 UA1 United Airlines
San Francisco — Singapore
21h 40m
including layover
Find flight
from$380
19:35 — 06:15
+2 days
19:35 — 21:49 UA2632 United Airlines
Seattle — San Francisco
51m stop
22:40 — 06:15 UA1 United Airlines
San Francisco — Singapore
19h 40m
including layover
Find flight
from$378
01:40 — 18:35
+1 day
01:40 — 05:05 CI21 China Airlines
Seattle — Taipei
2h 10m stop
07:15 — 09:40 CI781 China Airlines
Taipei — Ho Chi Minh City
5h 55m stop
15:35 — 18:35 TR323 Tiger Airways
Ho Chi Minh City — Singapore
25h 55m
including layover
Find flight
from$369
01:40 — 21:15
+1 day
01:40 — 05:05 CI21 China Airlines
Seattle — Taipei
2h 10m stop
07:15 — 09:40 CI781 China Airlines
Taipei — Ho Chi Minh City
8h 35m stop
18:15 — 21:15 TR303 Tiger Airways
Ho Chi Minh City — Singapore
28h 35m
including layover
Find flight
from$378
06:45 — 06:15
+2 days
06:45 — 09:40 UA2127 United Airlines
Seattle — Los Angeles
52m stop
10:32 — 12:05 UA1791 United Airlines
Los Angeles — San Francisco
10h 50m stop
22:55 — 06:15 UA1 United Airlines
San Francisco — Singapore
32h 30m
including layover
Find flight
from$385
08:10 — 23:40
+2 days
08:05 — 10:24 HA6903 Hawaiian Airlines
Seattle — San Francisco
2h 41m stop
12:40 — 17:20 KE24 Korean Air
San Francisco — Seoul
1h 20m stop
18:40 — 23:40 KE645 Korean Air
Seoul — Singapore
24h 30m
including layover
Find flight
from$385
08:41 — 00:20
+2 days
08:41 — 09:38 JL6334 Japan Airlines - JAL
Seattle — Vancouver
4h 27m stop
13:50 — 15:50 JL17 Japan Airlines - JAL
Vancouver — Tokyo
2h 15m stop
18:05 — 00:20 JL711 Japan Airlines - JAL
Tokyo — Singapore
24h 39m
including layover
Find flight
from$360
09:05 — 00:45
+2 days
09:05 — 11:28 NH7305 All Nippon Airways
Seattle — San Francisco
1h 12m stop
12:40 — 15:25 NH7 All Nippon Airways
San Francisco — Tokyo
3h 15m stop
18:40 — 00:45 NH801 All Nippon Airways
Tokyo — Singapore
24h 40m
including layover
Find flight
from$382
11:11 — 06:15
+2 days
11:11 — 14:58 UA1969 United Airlines
Seattle — Denver
3h 1m stop
17:59 — 19:45 UA1007 United Airlines
Denver — San Francisco
3h 10m stop
22:55 — 06:15 UA1 United Airlines
San Francisco — Singapore
28h 4m
including layover
Find flight
from$385
11:11 — 06:15
+2 days
11:11 — 14:58 UA1969 United Airlines
Seattle — Denver
1h 2m stop
16:00 — 17:43 UA2633 United Airlines
Denver — San Francisco
5h 12m stop
22:55 — 06:15 UA1 United Airlines
San Francisco — Singapore
28h 4m
including layover
Find flight
from$385
12:49 — 06:15
+2 days
12:43 — 16:30 UA1417 United Airlines
Seattle — Denver
1h 19m stop
17:59 — 19:42 UA1007 United Airlines
Denver — San Francisco
3h 10m stop
22:55 — 06:15 UA1 United Airlines
San Francisco — Singapore
26h 26m
including layover
Find flight
from$385
19:34 — 17:15
+2 days
19:22 — 21:38 NH7305 All Nippon Airways
Seattle — San Francisco
3h 55m stop
01:45 — 05:00 NH107 All Nippon Airways
San Francisco — Tokyo
6h 25m stop
10:55 — 17:15 NH841 All Nippon Airways
Tokyo — Singapore
30h 41m
including layover
Find flight
from$380
20:26 — 14:25
+3 days
20:26 — 22:40 HA6898 Hawaiian Airlines
Seattle — San Francisco
18h 40m stop
17:20 — 20:00 ZG25 Grozny Avia
San Francisco — Tokyo
12h 15m stop
08:15 — 14:25 TR809 Tiger Airways
Tokyo — Singapore
50h 59m
including layover
Find flight
from$382
21:40 — 23:40
+3 days
21:40 — 23:58 HA6897 Hawaiian Airlines
Seattle — San Francisco
13h 11m stop
13:10 — 17:20 KE24 Korean Air
San Francisco — Seoul
1h 20m stop
18:40 — 23:40 KE645 Korean Air
Seoul — Singapore
35h
including layover
Find flight
from$366
21:44 — 23:40
+3 days
21:44 — 23:59 AS1152 Alaska Airlines
Seattle — San Francisco
13h 11m stop
13:10 — 17:20 KE24 Korean Air
San Francisco — Seoul
1h 20m stop
18:40 — 23:40 KE645 Korean Air
Seoul — Singapore
34h 56m
including layover
Find flight
from$369
*Departure and arrival times - local. Updated on June 6, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Seattle to Singapore depends on and how to choose the most interesting flight option for you.

Distance between Seattle and Singapore is 12980 miles. Time difference between the cities is 4h. Airplanes depart 00:50 to 23:59 from 3 Seattle airports and arrive 00:50 to 23:59 to 4 Singapore airports. Average flight time is 16h 20m.

  • The fastest flight 16h 20m
  • Average flight time 16h 20m
  • The earliest flight 00:50
  • The latest flight 23:59
  • Distance 8066 ml

The cheapest months to travel to Singapore are august (from 398 $), october (from 443 $), july (from 444 $).

The most expensive months are december (from 631 $), june (from 583 $), february (from 578 $).

What is the lowest airfare Seattle to Singapore?

The cheapest plane ticket found by our users is $298. This airfare is for economy class on one-way SQ27 flight by Singapore Airlines for August 28, 2025 which leaves Seattle-Tacoma Intl in Seattle at 10:15 am and arrives at Singapore Changi at 17:35.

Economy class
$298
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Business class
?
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First class
?
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Popular Airlines on the Route

The flight Seattle — Singapore is served by 26 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Japan Airlines - JAL - 20 departures per week at the price of from $ 360 . And the most expensive tickets are offered by United Airlines airline - from $ 1377.

Direct flights

There are 1 nonstop flights on the route. The fastest direct flight is SQ27 by Singapore Airlines takes 16h 20m and the cheapest is SQ27 by Singapore Airlines for $298.

  • SQ - Singapore Airlines
    from $298
    Find
See more direct flights

Connecting Flights

There are 860 flights with layovers on the route. The fastest connecting flight is PR125 by Philippine Airlines takes 18h 50m and the cheapest is SQ27 by Singapore Airlines for $332.

  • JL - Japan Airlines - JAL
    from $360
    Find
  • PR - Philippine Airlines
    from $414
    Find
  • UA - United Airlines
    from $378
    Find
  • HU - Hainan Airlines
    from $566
    Find
  • JX - Jambojet
    from $379
    Find
  • BR - EVA Airways Corporation
    from $423
    Find
  • KE - Korean Air
    from $367
    Find
  • MH - Malaysia Airlines
    from $736
    Find
  • WS - WestJet
    from $515
    Find
  • SQ - Singapore Airlines
    from $679
    Find
  • CA - Air China Limited
    from $730
    Find
  • QR - Qatar Airways
    from $442
    Find
See more connecting flights

Airports

You can fly from Seattle to Singapore from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).

Seattle airports

  • Boeing Field International Airport-BFI
    Find
  • Seattle-Tacoma Intl-SEA
    from $298
    Find
  • Kenmore Air Harbor SPB-LKE
    Find

Singapore airports

  • Changi-SIN
    Find
  • Paya Lebar-QPG
    Find
  • Seletar-XSP
    Find
  • Tengah-TGA
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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