Cheapest return BWI–MAD flights, July

AirHint found the following cheapest return flights from Baltimore (BWI) to Madrid (MAD) in July 2026 (see full year).

Return flights

20 Jul - 30 Jul Frontier Airlines
20 Jul - 20 Aug Frontier Airlines
13 Jul - 20 Jul Frontier Airlines
03 Jul - 20 Jul Frontier Airlines
17 Jul - 31 Jul Frontier Airlines
27 Jul - 08 Aug Icelandair
06 Jul - 14 Jul Icelandair
13 Jul - 18 Jul Frontier Airlines
06 Jul - 13 Jul Icelandair
12 Jul - 19 Jul Frontier Airlines
18 Jul - 01 Aug Frontier Airlines
10 Jul - 16 Jul Frontier Airlines
03 Jul - 10 Jul Frontier Airlines
17 Jul - 01 Aug Frontier Airlines
24 Jul - 09 Aug Frontier Airlines
31 Jul - 09 Aug Frontier Airlines
21 Jul - 03 Aug Delta
26 Jul - 03 Aug Delta
24 Jul - 10 Aug Frontier Airlines
06 Jul - 14 Aug Icelandair

Also check the deals for one-way flights from Baltimore to Madrid in July.

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