$1,438 Cheap Swiss International Air Lines flights Barcelona (BCN) to Washington (IAD)

View $1,438 flight on Wed, Jul 30, 2025Opens in a new window

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$1,438 Cheap Swiss International Air Lines flights Barcelona (BCN) to Washington (IAD)

Prices were available within the past 7 days and start at $1,438 for one-way flights and $452 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Mon, Oct 27 - Sat, Nov 8
BCN
Barcelona
IAD
Washington
$452 Roundtrip, found 2 days ago
$452
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Mon, Oct 27 from Barcelona to Washington, returning Sat, Nov 8, priced at $452 found 2 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, 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, avianca
Popular airline
Swiss International Air Lines
Distance
4047 mi
Average flight time
8 hours 45 mins

Frequently asked questions

How much is a SWISS flight from Barcelona Intl. Airport (BCN) to Washington Dulles Intl. Airport (IAD)?
Set the "Price (lowest to highest)" filter on Expedia to search for cheap SWISS return flights from $452 from BCN to IAD. Affordable one-way options from $1,438 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BCN to IAD with SWISS?
January is one of the most affordable months to jet off to Washington with SWISS. You could also find excellent prices on return and one-way fares in February.
What is the cheapest time to book flights from Barcelona Intl. Airport (BCN) to Washington Dulles Intl. Airport (IAD) with SWISS?
Landing the best SWISS deals from BCN to IAD often comes down to booking at the right time. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. Better still, you can pocket 17% on average by buying your tickets on a Sunday rather than a Friday, which is often the most expensive day to book.* It's a good idea to start searching for flights about one month before your departure date.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does SWISS fly nonstop from Barcelona Intl. Airport (BCN) to Washington Dulles Intl. Airport (IAD)?
To see if there's a direct route from BCN to IAD with SWISS or another airline, select the "Nonstop" filter when searching for flights.
What is the earliest SWISS flight from BCN to IAD?
Sort your results by "Early Morning" and "Morning" to see the earliest departures from BCN to IAD. Leaving early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does SWISS fly into in Washington?
SWISS flights from Barcelona Intl. Airport (BCN) to Washington come in to Washington Dulles Intl. Airport (IAD). This is the main gateway here.
What kind of luggage can I take on a SWISS flight from Barcelona Intl. Airport (BCN) to Washington Dulles Intl. Airport (IAD)?
For checked luggage, passengers can take 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 62 inches. You can also bring 1 cabin bag on board when flying standard economy from BCN to IAD with SWISS. This carry-on has to weigh less than 17 lb and be no larger than 22 inches x 21 inches x 5 inches. Exceeding these limits can mean extra charges, so check SWISS's baggage allowance rules before packing your suitcase.
Why fly with SWISS from BCN to IAD?
SWISS makes flying from BCN to IAD more enjoyable with a rewarding loyalty program and a 4-star airline rating. You also have the chance to earn points with Swiss Miles & More. Be sure to sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my SWISS flight from Barcelona Intl. Airport (BCN) to Washington Dulles Intl. Airport (IAD)?
Depending on the ticket type you purchased, a fee is typically charged if you modify or cancel your flight more than 24 hours after it has been confirmed. To find tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes when looking for flights. For more information on canceling or changing your reservation, head to "Trips," select your flight and tick "Manage Booking."

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