Dulles (IAD) to Barcelona (BCN) flights
United Airlines flies nonstop from Washington Dulles International Airport to Josep Tarradellas Barcelona-El Prat Airport, with about 7 flights a week in July 2026. The 4,060-mile flight takes about 7h 51m gate to gate.
From
IAD
Dulles
Washington Dulles International Airport
To
BCN
Barcelona
Josep Tarradellas Barcelona-El Prat Airport
- Distance
- 4,060 mi · 6,534 km
- Flight time
- 7h 51m
- Airlines
- 1
- Seats filled
- 88%
Flights a week, July 2026
305 flights and 63,313 passengers in 12 months
Airlines flying IAD to BCN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 7 | Boeing 787-8 Dreamliner, Boeing 767-300/300ER, Boeing 787-9 Dreamliner | 63,313 | 7h 51m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 31 | 6,546 | |
| September 2025 | 30 | 7,245 | |
| October 2025 | 31 | 6,846 | |
| November 2025 | 29 | 5,255 | |
| December 2025 | 25 | 4,400 | |
| January 2026 | 3 | 563 | |
| February 2026 | 6 | 985 | |
| March 2026 | 30 | 6,801 | |
| April 2026 | 30 | 6,398 | |
| May 2026 | 31 | 5,998 | |
| June 2026 | 29 | 6,259 | |
| July 2026 | 30 | 6,017 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.