Flights from Seattle Tacoma to Singapore

Our cheapest offers for flights from Seattle Tacoma to Singapore

Here you can compare cheap flights from Seattle Tacoma (SEA) to Singapore (SIN) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Singapore. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Seattle-Tacoma
Singapore
Outbound
04/29/25
1 Stopover (ICN)
KE0042, KE0645
19h 50min
Return
05/08/25
1 Stopover (ICN)
KE0648, KE0041
18h 10min
Korean Air ?
$678
Seattle-Tacoma
Singapore
Outbound
04/29/25
1 Stopover (ICN)
KE0042, KE0645
19h 50min
Return
05/08/25
1 Stopover (ICN)
KE0648, KE0041
18h 10min
Korean Air
$766
Best option
Seattle-Tacoma
Singapore
Outbound
09/19/25
direct
SQ0027
16h 20min
Return
09/29/25
1 Stopover (TPE)
CI0754, CI0022
20h 35min
Singapore Airlines ?
$806
Seattle-Tacoma
Singapore
Outbound
09/19/25
1 Stopover (YVR)
AC8809, AC0019
20h 50min
Return
09/29/25
2 Stopovers (MNL, YVR)
AC5937, AC0018, AC8800
26h 20min
Air Canada ?
$682
Seattle-Tacoma
Singapore
Outbound
09/19/25
1 Stopover (YVR)
AC8801, AC0019
34h 20min
Return
09/29/25
2 Stopovers (MNL, YVR)
3K0763, AC0018, AC8798
22h 06min
Air Canada
$702
Seattle-Tacoma
Singapore
Outbound
09/19/25
1 Stopover (YVR)
AC8801, AC0019
34h 20min
Return
09/29/25
2 Stopovers (MNL, YVR)
3K0763, AC0018, AC8798
22h 06min
Air Canada
$706
Seattle-Tacoma
Singapore
Outbound
09/19/25
1 Stopover (YVR)
AC8809, AC0019
20h 50min
Return
09/29/25
2 Stopovers (MNL, YVR)
AC5937, AC0018, AC8798
22h 36min
Air Canada ?
$789
Seattle-Tacoma
Singapore
Outbound
04/29/25
1 Stopover (ICN)
KE0042, KE0643
40h 05min
Return
05/08/25
1 Stopover (ICN)
KE0648, KE0041
18h 10min
Korean Air
$791
Seattle-Tacoma
Singapore
Outbound
04/29/25
1 Stopover (ICN)
KE0042, KE0647
25h 10min
Return
05/08/25
1 Stopover (ICN)
KE0648, KE0041
18h 10min
Korean Air
$795
Seattle-Tacoma
Singapore
Outbound
04/29/25
1 Stopover (SFO)
UA1332, UA0001
30h 35min
Return
05/08/25
1 Stopover (SFO)
UA0002, UA1744
19h 43min
United Airlines ?
$823
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Seattle Tacoma to Singapore

Favorite airline: e.g. Qatar Airways, United Airlines
65 % of travelers choose to book flights on this route with Qatar Airways, United Airlines and Alaska Airlines.
Qatar Airways
25 %
United Airlines
25 %
Alaska Airlines
15 %
Favourite connection: via San Francisco
45 % of booked tickets on this route are for flights with a transfer in San Francisco.
Route
bookings
1 stopover San Francisco International Airport, CA
20h 20min, from $948
45 %
2 stopovers San Francisco International Airport, CA Taiwan-Taoyuan
25h 50min, from $967
27 %
1 stopover Seoul-Incheon International Airport
19h 40min, from $1,207
18 %

Important flight information

Flight information: Seattle-Tacoma - Singapore

Roundtrip from $677.14
Flight duration min. 19:01
Return flight duration min. 16:14
Distance 12993 km
Flights per week 7
Departure airport Airport Seattle-Tacoma International Airport, WA (SEA)
Arrival airport Airport Singapore-Changi Airport (SIN)
Destination country Flights to Singapore
Alternative flights to Singapore
Flight destinations with a similar price