$1,351 Cheap KLM flights Barcelona (BCN) to Washington (IAD)

View $1,351 flight on Fri, Jan 9, 2026Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$1,351 Cheap KLM flights Barcelona (BCN) to Washington (IAD)

Prices were available within the past 7 days and start at $1,351 for one-way flights and $637 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Thu, Jan 15 - Tue, Jan 20
BCN
Barcelona
IAD
Washington
$637 Roundtrip, found 5 days ago
$637
Roundtrip
found 5 days ago
Select KLM flight, departing Thu, Jan 15 from Barcelona to Washington, returning Tue, Jan 20, priced at $637 found 5 days ago
Flights from Barcelona (BCN) to Washington (IAD)
Origin airport
Barcelona Intl.
Destination airport
Washington Dulles 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, Virgin Atlantic
Popular airline
TAP Portugal
Distance
4047 mi
Average flight time
8 hours 45 mins

Explore a world of travel with Expedia

*Available to One Key members.