Boston (BOS) to Barcelona (BCN) flights
3 airlines fly nonstop from Boston (BOS) to Barcelona (BCN): Delta Air Lines, Iberia and JetBlue Airways. The two airports are 3,641 miles (5,859 km) apart. Delta Air Lines is in SkyTeam and Iberia is in oneworld. There are also 35 ways to fly it with one stop, through Halifax, Porto and Madrid and more.
Airlines flying nonstop from BOS to BCN
- Delta Air LinesSkyTeam · bookable with 8 programsWho books it

- Iberiaoneworld · bookable with 9 programsWho books it

- JetBlue AirwaysNot in an alliance · bookable with 2 programsWho books it

Book BOS to BCN with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Aeromexico RewardsBooks Delta Air Lines
- Air France-KLM Flying BlueBooks Delta Air Lines
- Alaska Atmos RewardsBooks Iberia
- American AAdvantageBooks Iberia
- British Airways ClubBooks Iberia
- Cathay Pacific Asia MilesBooks Iberia
- China Eastern Eastern MilesBooks Delta Air Lines
- Delta SkyMilesBooks Delta Air Lines
- Finnair PlusBooks Iberia
- Garuda Indonesia GarudaMilesBooks Delta Air Lines
- Iberia ClubBooks Iberia
- JAL Mileage BankBooks Iberia
- JetBlue TrueBlueBooks JetBlue Airways
- Korean Air SKYPASSBooks Delta Air Lines
- Qantas Frequent FlyerBooks Iberia
- Qatar Airways Privilege ClubBooks Iberia
- SAS EuroBonusBooks Delta Air Lines
- Singapore Airlines KrisFlyerBooks JetBlue Airways
- Virgin Atlantic Flying ClubBooks Delta Air Lines
BOS to BCN with one stop
35 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Halifax (YHZ)Air Canada, American Airlines and 1 more, then WestJet




- Via Porto (OPO)TAP Portugal, then Ryanair and Vueling



- Via Madrid (MAD)Iberia the whole way




+2
- Via Lisbon (LIS)TAP Portugal the whole way



+1
- Via Ponta Delgada (Azores) (PDL)Azores Airlines the whole way


- Via Dublin (DUB)Aer Lingus the whole way






- Via Montreal (YUL)Air Canada the whole way




- Via London (LGW)JetBlue Airways, then easyJet and Vueling



- Via London (LHR)British Airways the whole way

+2


- Via Paris (CDG)Air France the whole way





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






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



- Via Edinburgh (EDI)Delta Air Lines and JetBlue Airways, then Ryanair, Vueling and 2 more



+1
- Via Nice (NCE)Delta Air Lines, then Vueling


- Via Philadelphia (PHL)American Airlines the whole way




BOS to BCN: common questions
Which airlines fly nonstop from BOS to BCN?
Delta Air Lines (SkyTeam), Iberia (oneworld) and JetBlue Airways fly nonstop from Boston (BOS) to Barcelona (BCN).
How far is Boston from Barcelona by plane?
Boston (BOS) and Barcelona (BCN) are 3,641 miles (5,859 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book BOS to BCN award flights?
19 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air France-KLM Flying Blue, Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, China Eastern Eastern Miles, Delta SkyMiles and 11 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does BOS to BCN cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for BOS to BCN with taxes and fees.
Where can I connect between Boston and Barcelona?
The most direct connections are through Halifax (YHZ), Porto (OPO), Madrid (MAD), Lisbon (LIS) and Ponta Delgada (Azores) (PDL). On 27 of them the same airline flies both flights, for example Iberia through Madrid.
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.