Cheapest return flights from Seattle to Amsterdam in May from 671€

Best time to book flights for Seattle (SEA) to Amsterdam (AMS) flights at AirHint

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

Return flights

14 May - 21 May Aer Lingus
10 May - 17 May Aer Lingus
03 May - 09 May Condor
20 May - 05 Jun Aer Lingus
17 May - 20 May Frontier Airlines
08 May - 22 May Aer Lingus
16 May - 18 May Aer Lingus
28 May - 24 Jun Aer Lingus
25 May - 16 Jun Aer Lingus
14 May - 21 May Delta direct
20 May - 05 Jun Air France direct
08 May - 22 May Air France direct
10 May - 17 May Air France direct
16 May - 18 May Delta direct
25 May - 16 Jun Air France direct
28 May - 24 Jun Air France direct

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

Skyscanner

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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