Seattle / Tacoma (SEA) to Singapore (SIN) flight deal in economy from $407

DLDelta Air Lines

One Way•Economy

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

SIN

Singapore Changi Airport

Singapore, Singapore

$806 USD

-50%$407 USD

Verified about 8 hours ago

December 2026

Today

Mon

Tue

Wed

Thu

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Sun

30$6461$6462$6463$6464$8365$8566$8367$7668$8369$76610$91011$1,13612$1,23513$1,06614$91415$1,19516$1,49417$1,61118$1,65119$1,65120$1,53421$1,19522$1,19523$1,19524$1,19525$1,35326$1,35327$1,00328$1,00329$1,15530$83631$7201$1,3532$1,1553$1,155

Rare Availability

5% of dates checked are available within 10% of the lowest price

Wednesday, December 2nd, 2026

Outbound Flights

24h·1 stop

$646 USD

SEADec 2 13:00

→

ICNDec 3 17:55

DL 197Airbus A350

5h 20m layover

ICNDec 3 23:15

→

SINDec 4 05:00

KE 647Boeing 787

21h 10m·1 stop

$716 USD

SEADec 2 11:00

→

ICNDec 3 15:55

KE 42Boeing 787-10

2h 35m layover

ICNDec 3 18:30

→

SINDec 4 00:10

KE 645Boeing 787

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