Cheapest return flights from Seattle to Frankfurt in August from $670

Best time to book flights for Seattle (SEA) to Frankfurt (FRA) flights at AirHint

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

Return flights

05 Aug - 19 Aug Condor direct
27 Aug - 07 Sep Condor
03 Aug - 14 Aug Condor direct
05 Aug - 14 Aug Condor direct
08 Aug - 25 Aug Condor direct
27 Aug - 07 Sep Condor direct
04 Aug - 14 Aug Condor direct
04 Aug - 11 Aug Condor direct
02 Aug - 16 Aug Condor direct
27 Aug - 03 Sep Lufthansa direct
07 Aug - 14 Aug Icelandair
07 Aug - 14 Aug Lufthansa direct

Also check the deals for one-way flights from Seattle to Frankfurt in August.

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.

Book a cheap hotel in Frankfurt

Cheap car rent in Frankfurt