AirHint found the following cheapest return flights from Seattle (SEA) to Amsterdam (AMS) in November 2025 (see full year).

Return flights

27 Nov - 04 Dec	Icelandair
23 Nov - 13 Dec	Air Canada
17 Nov - 24 Nov	Aer Lingus
26 Nov - 03 Dec	Aer Lingus
26 Nov - 03 Dec	Air France	direct
29 Nov - 09 Dec	Air Canada
29 Nov - 09 Dec	Air France	direct
27 Nov - 04 Dec	Delta	direct
19 Nov - 13 Dec	TAP
15 Nov - 06 Dec	Alaska Airlines
22 Nov - 13 Dec	Alaska Airlines
15 Nov - 29 Nov	Lufthansa
26 Nov - 30 Nov	Icelandair
22 Nov - 28 Nov	Icelandair
26 Nov - 30 Nov	Delta	direct
16 Nov - 23 Nov	Virgin Atlantic	direct
17 Nov - 24 Nov	Delta	direct
19 Nov - 23 Nov	Air France	direct
15 Nov - 29 Nov	Air France	direct

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

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 November from $456

Return flights