AirHint found the following cheapest return flights from Seattle (SEA) to Ho Chi Minh City (SGN) in June 2025 (see full year).

Return flights

21 Jun - 10 Jul	China Eastern
21 Jun - 11 Jul	China Eastern
23 Jun - 21 Jul	Asiana Airlines
19 Jun - 25 Jun	China Eastern
28 Jun - 01 Jul	Asiana Airlines
27 Jun - 30 Jun	Thai Airways
18 Jun - 05 Jul	Condor
18 Jun - 19 Jul	Condor
18 Jun - 12 Jul	Condor
18 Jun - 29 Jun	ANA
18 Jun - 21 Jul	ANA
19 Jun - 26 Jul	ANA
18 Jun - 26 Jul	ANA

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

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Seattle to Ho Chi Minh City in June from $978

Return flights