Cheapest return flights from Boston to Barcelona in July from 511€

AirHint found the following cheapest return flights from Boston (BOS) to Barcelona (BCN) in July 2025 (see full year).

Return flights

29 Jul - 05 Aug Brussels Airlines
30 Jul - 07 Aug Brussels Airlines
30 Jul - 06 Aug SWISS
29 Jul - 06 Aug Brussels Airlines
30 Jul - 05 Aug Lufthansa
31 Jul - 05 Aug Austrian Airlines
30 Jul - 04 Aug Lufthansa
30 Jul - 18 Aug Icelandair
30 Jul - 03 Aug Lufthansa
31 Jul - 06 Aug Austrian Airlines
28 Jul - 31 Jul SWISS

Also check the deals for one-way flights from Boston to Barcelona in July.

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.

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