$702 Cheap Swiss International Air Lines flights Washington (IAD) to Barcelona (BCN)

View $702 flight on Mon, Oct 5, 2026Opens in a new window

$702 Cheap Swiss International Air Lines flights Washington (IAD) to Barcelona (BCN)

Prices were available within the past 7 days and start at $702 for one-way flights and $833 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Mon, Oct 5 - Sat, Oct 17
IAD
Washington
BCN
Barcelona
$833 Roundtrip, found 1 day ago
$833
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Mon, Oct 5 from Washington to Barcelona, returning Sat, Oct 17, priced at $833 found 1 day ago

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

January is typically the cheapest month to fly

From $389 - $1,211 per traveler.
Flights from Washington (IAD) to Barcelona (BCN)
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, Finnair, Iberia, Icelandair, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Popular airline
TAP Portugal
Distance
6476 km
Average flight time
8 hours 15 mins