Cheap Flights from Seattle-Tacoma International Airport to Singapore (SIN) Find and Compare the Best Airline Deals | Skyticket

Departure Date

2025/8
Sun	Mon	Tue	Wed	Thu	Fri	Sat
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3Search	4Search	54,866	6Search	7Search	8Search	91,823
10Search	11Search	12734	13Search	14655	15753	161,321
17Search	18748	19Search	20Search	21Search	22Search	23763
24Search	25Search	26Search	27Search	28Search	29Search	30Search
31Search

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2025/8
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Total Fares（Round-Trip/Economy）: USD /Per Person

* Displayed fare(s) may differ from the actual search result

-Tacoma－Singapore Changi Airport
August Lowest Airfares
USD655

The airfare displayed above is for United Airlines

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-Tacoma－Singapore Changi Airport
September Lowest Airfares
USD833

The airfare displayed above is for United Airlines

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-Tacoma－Singapore Changi Airport
October Lowest Airfares
USD861

The airfare displayed above is for United Airlines

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-Tacoma－Singapore Changi Airport
November Lowest Airfares
USD817

The airfare displayed above is for Asiana Airlines

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-Tacoma－Singapore Changi Airport
December Lowest Airfares
USD1,366

The airfare displayed above is for Vietnam Airlines

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Seattle－Singapore
Estimated Flight Time
16 Hours 20 Minutes
Seattle－Singapore
Number of Operating Airlines
30

Operating Airlines for -Tacoma－Singapore Changi Airport Route
Non-StopDelta Air Lines

American Airlines

Air Canada

Air France

Alaska Airlines

Finnair

British Airways

Eva Air

Air China

China Airlines

Cathay Pacific

China Southern Airlines

Emirates Airlines

Hainan Airlines

Japan Airlines

Starlux Airlines

Korean Air

Klm Royal Dutch Airlines

Lufthansa

Swissair

XiamenAir

China Eastern Airlines

All Nippon Airways

Asiana Airlines

Philippine Airlines

Qatar Airways

Singapore Airlines

Turkish Airlines

United Airlines

Vietnam Airlines

Other Destinations from:Seattle

-Tacoma－Bangkok(Suvarnabhumi)
USD690〜
-Tacoma－Denpasar (Bali)(Ngurah Rai)
USD1,120〜
-Tacoma－Kuala Lumpur(KUL)
USD1,807〜
-Tacoma－Perth(PER)
USD1,347〜
-Tacoma－Tokyo(Haneda)
USD712〜
-Tacoma－Tokyo(Narita)
USD720〜
-Tacoma－Osaka(Kansai)
USD718〜
* Fares vary in accordance to seat availability
Other Departures to: Singapore

Dallas/Fort Worth Airport－Singapore(Changi)
USD728〜
Logan Airport－Singapore(Changi)
USD802〜
O'Hare Airport－Singapore(Changi)
USD731〜
Washington Dulles Airport－Singapore(Changi)
USD898〜
Baltimore-Washington Airport－Singapore(Changi)
USD1,238〜
Ronald Reagan Washington National Airport－Singapore(Changi)
USD1,186〜
* Fares vary in accordance to seat availability