Cheapest return flights from Boston to Barcelona in July from $442

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

20 Jul - 26 Aug LEVEL direct
14 Jul - 25 Aug LEVEL direct
21 Jul - 25 Aug LEVEL direct
23 Jul - 25 Aug LEVEL direct
14 Jul - 24 Jul LEVEL direct
14 Jul - 22 Jul LEVEL direct
25 Jul - 05 Aug LEVEL direct
14 Jul - 05 Aug LEVEL direct
15 Jul - 23 Jul LEVEL direct
08 Jul - 22 Jul LEVEL direct
08 Jul - 18 Jul LEVEL direct
12 Jul - 22 Jul LEVEL direct
04 Jul - 18 Jul LEVEL direct
10 Jul - 22 Jul LEVEL direct
11 Jul - 22 Jul LEVEL direct
14 Jul - 30 Jul LEVEL direct
27 Jul - 02 Aug LEVEL direct
16 Jul - 09 Aug Iberia direct
16 Jul - 08 Aug Vueling Airlines direct
25 Jul - 03 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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