A panoramic view of a city with a park, a fountain, and a distant coastline.

$349 Cheap Delta flights Boston (BOS) to Barcelona (BCN)

View $349 flight on Sun, Oct 18, 2026Opens in a new window

$349 Cheap Delta flights Boston (BOS) to Barcelona (BCN)

Prices were available within the past 7 days and start at $349 for one-way flights and $700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, Oct 18 - Thu, Oct 29
BOS
Boston
BCN
Barcelona
$700 Roundtrip, found 2 days ago
$700
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Oct 18 from Boston to Barcelona, returning Thu, Oct 29, priced at $700 found 2 days ago
Delta
Thu, Sep 17 - Tue, Sep 22
BOS
Boston
BCN
Barcelona
$740 Roundtrip, found 18 hours ago
$740
Roundtrip
found 18 hours ago
Select Delta flight, departing Thu, Sep 17 from Boston to Barcelona, returning Tue, Sep 22, priced at $740 found 18 hours ago

Travel information

Origin airport
Logan Intl.
Destination airport
Barcelona Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Condor, Delta, Finnair, ITA Airways, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, TAP Portugal, Turkish Airlines, Virgin Atlantic
Popular airline
JetBlue Airways
Distance
5824 km
Average flight time
13 hours 14 mins

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