Dulles (IAD) to Barcelona (BCN) flights

An economy award from Dulles (IAD) to Barcelona (BCN) starts at 27,500 miles one way with ANA Mileage Club on United Airlines, plus taxes and fees from $5.60. One airline flies nonstop from Dulles (IAD) to Barcelona (BCN): United Airlines. The two airports are 4,048 miles (6,515 km) apart. United Airlines is in Star Alliance. There are also 42 ways to fly it with one stop, through Philadelphia, New York and New York and more.
How many miles IAD to BCN costs
Economy, one way, on the nonstop flights, from the Award Flight Pricer's award charts. Ranges run off-peak to peak; "from" is the floor of a dynamic price.
| Program | Economy | Taxes and fees |
|---|---|---|
| ANA Mileage ClubOn United Airlines | 27,500 | $5.60 |
| Avianca LifeMilesOn United Airlines | 30,000 | $54 |
| Emirates SkywardsOn United Airlines | 32,000 | $5.60–355.60 |
| Singapore Airlines KrisFlyerOn United Airlines | 32,500 | $5.60 |
| EVA Air Infinity MileageLandsOn United Airlines | 34,000 | $5.60 |
| Air Canada AeroplanOn United Airlines | 42,500 | $71.61–80.61 |
| TAP Miles&GoOn United Airlines | 50,000 | $50.40 |
| Thai Royal Orchid PlusOn United Airlines | 55,000 | $5.60 |
| Turkish Airlines Miles&SmilesOn United Airlines | 55,000 | $5.60 |
Business and first class prices are in the Award Flight Pricer. Chart prices need award space on your date, so search it before you transfer points.
Compare every program in the Award Flight PricerAirlines flying nonstop from IAD to BCN
- United AirlinesStar Alliance · bookable with 13 programsWho books it

Book IAD to BCN with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks United Airlines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
IAD to BCN with one stop
42 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Philadelphia (PHL)United Airlines, then American Airlines


- Via New York (JFK)Delta Air Lines the whole way




- Via New York (EWR)United Airlines the whole way


- Via Boston (BOS)United Airlines, then Iberia, Delta Air Lines and 1 more




- Via Madrid (MAD)Iberia the whole way



+2
- Via Montreal (YUL)Air Canada the whole way




- Via Lisbon (LIS)TAP Portugal the whole way



+1
- Via Dublin (DUB)Aer Lingus the whole way





- Via Toronto (YYZ)Air Canada the whole way



- Via London (LHR)British Airways the whole way





- Via Paris (CDG)Air France the whole way




- Via Geneva (GVA)United Airlines, then easyJet and Vueling



- Via Edinburgh (EDI)United Airlines, then Ryanair, Vueling and 2 more


+1
- Via Nice (NCE)United Airlines, then Vueling


- Via Brussels (BRU)Brussels Airlines the whole way





IAD to BCN: common questions
How many miles does IAD to BCN cost?
In economy it starts at 27,500 miles one way with ANA Mileage Club on United Airlines, plus taxes and fees from $5.60. Next cheapest: Avianca LifeMiles (30,000), Emirates Skywards (32,000) and Singapore Airlines KrisFlyer (32,500). These are award chart prices from the Award Flight Pricer. Programs that price dynamically can cost more on busy dates, so check yours before you transfer points. Business and first class prices are in the pricer too.
Which airlines fly nonstop from IAD to BCN?
United Airlines (Star Alliance) flies nonstop from Dulles (IAD) to Barcelona (BCN).
How far is Dulles from Barcelona by plane?
Dulles (IAD) and Barcelona (BCN) are 4,048 miles (6,515 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book IAD to BCN award flights?
13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
Where can I connect between Dulles and Barcelona?
The most direct connections are through Philadelphia (PHL), New York (JFK), New York (EWR), Boston (BOS) and Madrid (MAD). On 31 of them the same airline flies both flights, for example Delta Air Lines through New York.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.





