SEA to SGN from $492 in economy – flightdeals.net

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United Airlines

UAUnited Airlines

One Way•Economy

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

Tan Son Nhat International Airport

Ho Chi Minh City, Vietnam

$584 USD

-16%$492 USD

Verified 16 days ago

September 2026

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Great Availability

85% of dates checked are available within 10% of the lowest price

Sunday, September 20th, 2026

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