Seattle / Tacoma (SEA) to Ho Chi Minh City (SGN) cheap flight deal from $700 USD in economy class

UAUnited Airlines

Round Trip•Economy

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

SGN

Tan Son Nhat International Airport

Ho Chi Minh City, Vietnam

$1,040 USD

-33%$700 USD

Verified Sep 21, 2025 at 4:34 PM

September 2025

Today

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22$2,371 23$704 24$1,971 25$872 26$736 27$992 28$1,392 29$2,075 30$1,971 1$1,167 2$1,212 3$1,437 4$1,437 5$1,052

Limited Availability

16% of dates checked are available within 10% of the lowest price

Monday, September 29th, 2025

10 round-trip options

Returning

Sat, Oct 4, 2025•5 Day Trip

$2,366 USD

Google Flights

Returning

Sun, Oct 5, 2025•6 Day Trip

$2,075 USD

Google Flights

Returning

Mon, Oct 6, 2025•7 Day Trip

$2,075 USD

Google Flights

Returning

Tue, Oct 7, 2025•8 Day Trip

$2,266 USD

Google Flights

Returning

Wed, Oct 8, 2025•9 Day Trip

$2,276 USD

Google Flights

Returning

Thu, Oct 9, 2025•10 Day Trip

$2,276 USD

Google Flights

Returning

Fri, Oct 10, 2025•11 Day Trip

$2,120 USD

Google Flights

Returning

Sat, Oct 11, 2025•12 Day Trip

$2,248 USD

Google Flights

Returning

Sun, Oct 12, 2025•13 Day Trip

$2,258 USD

Google Flights

Returning

Mon, Oct 13, 2025•14 Day Trip

$2,266 USD

Google Flights