Cheapest return flights from Boston to Barcelona in July from $650

Best time to book flights for Boston (BOS) to Barcelona (BCN) flights at AirHint

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

Return flights

15 Jul - 16 Jul LEVEL direct
15 Jul - 04 Aug LEVEL direct
16 Jul - 04 Aug LEVEL direct
17 Jul - 07 Aug LEVEL direct
17 Jul - 04 Aug LEVEL direct
14 Jul - 16 Jul LEVEL direct
14 Jul - 04 Aug LEVEL direct
15 Jul - 23 Jul LEVEL direct
16 Jul - 23 Jul LEVEL direct
17 Jul - 23 Jul LEVEL direct
14 Jul - 23 Jul LEVEL direct
15 Jul - 22 Jul TAP
12 Jul - 26 Jul Fly Play
01 Jul - 03 Aug Fly Play
25 Jul - 01 Aug TAP
15 Jul - 18 Jul LEVEL direct
16 Jul - 18 Jul LEVEL direct
31 Jul - 12 Aug LEVEL direct
31 Jul - 10 Aug LEVEL direct
31 Jul - 07 Aug LEVEL direct

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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