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

Return flights

17 Nov - 01 Dec	Condor	direct
22 Nov - 01 Dec	Condor	direct
14 Nov - 28 Nov	Icelandair
04 Nov - 11 Nov	Icelandair
09 Nov - 16 Nov	Icelandair
14 Nov - 21 Nov	Icelandair
19 Nov - 26 Nov	Icelandair
04 Nov - 11 Nov	Lufthansa	direct
14 Nov - 21 Nov	Lufthansa	direct
14 Nov - 28 Nov	Lufthansa	direct

Also check the deals for one-way flights from Seattle to Frankfurt 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 Frankfurt in November from $638

Return flights