Cheapest return flights from Seattle to Ho Chi Minh City in April from $514

AirHint found the following cheapest return flights from Seattle (SEA) to Ho Chi Minh City (SGN) in April 2026 (see full year).

Return flights

10 Apr - 22 Apr Singapore Airlines
12 Apr - 23 Apr Singapore Airlines
07 Apr - 16 Apr Singapore Airlines
16 Apr - 29 Apr Singapore Airlines
16 Apr - 17 May Cathay Pacific
06 Apr - 15 Apr Alaska Airlines
29 Apr - 28 May United
19 Apr - 26 Apr China Airlines
06 Apr - 16 Apr Cathay Pacific
01 Apr - 29 Apr Cathay Pacific
01 Apr - 15 Apr Cathay Pacific
16 Apr - 25 Apr Singapore Airlines

Also check the deals for one-way flights from Seattle to Ho Chi Minh City in April.

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