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

Return flights

09 Mar - 17 Mar	Icelandair
04 Mar - 10 Mar	Icelandair
24 Mar - 30 Mar	ITA Airways
31 Mar - 23 Apr	British Airways
22 Mar - 03 Apr	British Airways
20 Mar - 05 Apr	Air France
26 Mar - 09 Apr	Delta
29 Mar - 12 Apr	Delta
26 Mar - 06 Apr	Delta
27 Mar - 06 Apr	Delta
27 Mar - 04 Apr	Virgin Atlantic
28 Mar - 04 Apr	Delta
14 Mar - 21 Mar	Delta
07 Mar - 14 Mar	Lufthansa
22 Mar - 04 Apr	British Airways

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

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 March from 451€

Return flights