Cheap flights from Boston to Costa Barcelona

View AU$373 flight on Mon, 20 Oct. 2025Opens in a new window

Popular airlines from Boston to Costa Barcelona

  • American Airlines

    American Airlines

  • Air Canada

    Air Canada

  • Avianca

    Avianca

  • Finnair

    Finnair

  • ITA Airways

    ITA Airways

  • British Airways

    British Airways

  • Delta

    Delta

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Cheap Flights from Boston (BOS) to Costa Barcelona (BCN)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Tue, 14 Oct. - Wed, 22 Oct.
BOS
Boston
BCN
Barcelona
AU$538 Return, found 1 day ago
AU$538
Return
found 1 day ago
Select Virgin Atlantic flight, departing Tue, 14 Oct. from Boston to Barcelona, returning Wed, 22 Oct., priced at AU$538 found 1 day ago
United
Sun, 12 Oct. - Tue, 21 Oct.
BOS
Boston
BCN
Barcelona
AU$538 Return, found 1 day ago
AU$538
Return
found 1 day ago
Select United flight, departing Sun, 12 Oct. from Boston to Barcelona, returning Tue, 21 Oct., priced at AU$538 found 1 day ago
Air Canada
Mon, 20 Oct. - Thu, 6 Nov.
BOS
Boston
BCN
Barcelona
AU$539 Return, found 2 days ago
AU$539
Return
found 2 days ago
Select Air Canada flight, departing Mon, 20 Oct. from Boston to Barcelona, returning Thu, 6 Nov., priced at AU$539 found 2 days ago
Icelandair
Thu, 16 Oct. - Fri, 31 Oct.
BOS
Boston
BCN
Barcelona
AU$605 Return, found 2 days ago
AU$605
Return
found 2 days ago
Select Icelandair flight, departing Thu, 16 Oct. from Boston to Barcelona, returning Fri, 31 Oct., priced at AU$605 found 2 days ago
Delta
Thu, 25 Sep. - Wed, 8 Oct.
BOS
Boston
BCN
Barcelona
AU$645 Return, found 2 days ago
AU$645
Return
found 2 days ago
Select Delta flight, departing Thu, 25 Sep. from Boston to Barcelona, returning Wed, 8 Oct., priced at AU$645 found 2 days ago
TAP Portugal
Sat, 11 Oct. - Sat, 25 Oct.
BOS
Boston
BCN
Barcelona
AU$646 Return, found 2 days ago
AU$646
Return
found 2 days ago
Select TAP Portugal flight, departing Sat, 11 Oct. from Boston to Barcelona, returning Sat, 25 Oct., priced at AU$646 found 2 days ago

Find the cheapest month to fly from Boston (BOS) to Barcelona (BCN)

September is typically the cheapest month to fly

From AU$474 - AU$1,015 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.