AirHint found the following cheapest return flights from Seattle (SEA) to Amsterdam (AMS) in May 2026 (see full year).

Return flights

14 May - 28 May	Icelandair
12 May - 18 May	Icelandair
17 May - 06 Jun	Icelandair
13 May - 27 May	Turkish Airlines
14 May - 27 May	Turkish Airlines
05 May - 19 May	Turkish Airlines
04 May - 18 May	Turkish Airlines
08 May - 22 May	Turkish Airlines
13 May - 27 May	Virgin Atlantic	direct
08 May - 22 May	Delta	direct
14 May - 27 May	Delta	direct
17 May - 06 Jun	Air France	direct

Also check the deals for one-way flights from Seattle to Amsterdam in May.

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 Amsterdam in May from $701

Return flights