IAD → BCN
Flights from Washington to Barcelona
The lowest fare recently found for IAD to BCN is $705 for June departures, across 3 months of cached fares.
Prices change every day. Search your dates to see the real lowest price right now and how it compares with the usual range.
Check live pricesSee the cheapest month to fly IAD to BCN (June looks lowest)
Want different dates or cabin? Search IAD to BCN.
IAD to BCN fares at a glance
June 2027 has the lowest recently found fare for flying Washington to Barcelona: $705, out of 3 months with data.
Most months fall between $705 and $979, with a middle value of $734. The highest month, December 2026, reaches $979, which is 39% above the lowest.
Cheapest months to fly from Washington to Barcelona
The three lowest months for IAD to BCN are June ($705), November ($734) and December ($979).
Fares were found for 3 of the next 12 months, so this picture is partial: a month with no fare listed simply had none in the feed.
Within June, travelers found IAD to BCN fares on 2 different departure days, from $705 on Jun 1 up to $707.
Nearby airports to compare for IAD to BCN
Besides IAD, you could depart from DCA (Washington, 24 miles from IAD) and BWI (Baltimore, 45 miles from IAD).
How recent this data is
These fares were saved from the Aviasales feed on October 24, 2026, 1 day ago, and cover 3 of the next 12 months for IAD to BCN.
Distance and flight time from Washington to Barcelona
IAD to BCN is about 4,049 miles (6,516 km) in a straight line, roughly 8.5 hours in the air when a nonstop exists, which makes it a long-haul trip.
Fares are cached from Aviasales (via Travelpayouts), recently found by travelers and up to a few days old. They may include extra stops, may be gone, and are not quotes. A fare listed for a month means a traveler search found it recently; it does not mean seats are still available at that price. SplitWing is an information tool and does not sell tickets. Some links are partner links; we may earn a commission at no extra cost to you. Details
Frequently asked questions
How much do flights from Washington to Barcelona cost?
Travelers recently found round-trip fares from $705, and most months sit between $705 and $979, though your own dates decide the real price.
What is the cheapest month to fly from Washington to Barcelona?
June has the lowest recently found fare at $705, followed by November at $734. The highest month, December, is $979.
Is there another airport to try for IAD to BCN?
For IAD to BCN, worth comparing: DCA, BWI; prices can differ between airports in the same area, so price each option for your dates.
How current are these IAD to BCN fares?
The IAD to BCN data was saved 1 day ago and covers 3 months; a fare may be gone by the time you look, so treat $705 as a starting point.
Planning the rest of the trip
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Related routes
Guides
- Cheapest month to fly to Europe from the US: what the fare data shows
- Nearby airports: when flying from or to a different airport helps
- More cheap flights from Washington
Data saved 2026-10-24.