$1,029 Cheap United flights Washington (IAD) to Barcelona (BCN)

View $1,029 flight on Sun, Aug 30, 2026Opens in a new window

$1,029 Cheap United flights Washington (IAD) to Barcelona (BCN)

Prices were available within the past 7 days and start at $1,029 for one-way flights and $1,101 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Aug 31 - Sat, Sep 12
IAD
Washington
BCN
Barcelona
$1,101 Roundtrip, found 3 hours ago
$1,101
Roundtrip
found 3 hours ago
Select United flight, departing Mon, Aug 31 from Washington to Barcelona, returning Sat, Sep 12, priced at $1,101 found 3 hours ago

Find the cheapest month to fly from Washington (IAD) to Barcelona (BCN)

February is typically the cheapest month to fly

From $675 - $903 per traveler.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Barcelona Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, ITA Airways, Iberia, Icelandair, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Popular airline
TAP Portugal
Distance
6476 km
Average flight time
7 hours 50 mins

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