AirHint found the following cheapest return flights from Washington (IAD) to Frankfurt (FRA) in April 2026 (see full year).

Return flights

25 Apr - 02 May	TAP
18 Apr - 02 May	Icelandair
21 Apr - 05 May	Icelandair
29 Apr - 11 May	Icelandair
02 Apr - 11 Apr	Icelandair
01 Apr - 08 Apr	Aer Lingus
01 Apr - 09 Apr	Aer Lingus
14 Apr - 10 May	TAP
09 Apr - 20 Apr	Icelandair
21 Apr - 05 May	Lufthansa	direct
29 Apr - 11 May	Lufthansa	direct
09 Apr - 20 Apr	Lufthansa	direct
18 Apr - 02 May	Lufthansa	direct
25 Apr - 02 May	Lufthansa	direct
23 Apr - 27 Apr	Lufthansa
23 Apr - 27 Apr	Lufthansa	direct
01 Apr - 08 Apr	Lufthansa	direct
01 Apr - 09 Apr	Lufthansa	direct
02 Apr - 11 Apr	Lufthansa	direct

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

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 Washington to Frankfurt in April from 394€

Return flights