Cheapest return flights from Frankfurt to Washington in May from $507

Best time to book flights for Frankfurt (FRA) to Washington (IAD) flights at AirHint

AirHint found the following cheapest return flights from Frankfurt (FRA) to Washington (IAD) in May 2025 (see full year).

Return flights

13 May - 19 May Lufthansa
21 May - 30 May Lufthansa
18 May - 28 May United
14 May - 18 May United
16 May - 19 May United
16 May - 18 May Lufthansa
30 May - 08 Jun United
20 May - 11 Jun Air Canada
17 May - 26 May Lufthansa
15 May - 22 May Lufthansa
25 May - 31 May Lufthansa
17 May - 19 May Lufthansa
28 May - 02 Jun Lufthansa
25 May - 08 Jun Lufthansa
29 May - 01 Jun Lufthansa
29 May - 03 Jun Lufthansa
29 May - 02 Jun Lufthansa
27 May - 10 Jun Lufthansa
19 May - 11 Jun Lufthansa
31 May - 15 Jun KLM

Also check the deals for one-way flights from Frankfurt to Washington in May.

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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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