United States to Spain · 3,641 miles (5,859 km)

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

Book BOS to BCN with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

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
    Air Canada logo
    American Airlines logo
    Delta Air Lines logo
    WestJet logo
  • Via Porto (OPO)TAP Portugal, then Ryanair and Vueling
    TAP Portugal logo
    Ryanair logo
    Vueling logo
  • Via Madrid (MAD)Iberia the whole way
    Iberia logo
    JetBlue Airways logo
    Delta Air Lines logo
    Iberia logo
    Air Europa logo
    Vueling logo
    +2
  • Via Lisbon (LIS)TAP Portugal the whole way
    TAP Portugal logo
    Delta Air Lines logo
    TAP Portugal logo
    Vueling logo
    Ryanair logo
    +1
  • Via Ponta Delgada (Azores) (PDL)Azores Airlines the whole way
    Azores Airlines logo
    Azores Airlines logo
  • Via Dublin (DUB)Aer Lingus the whole way
    Delta Air Lines logo
    Aer Lingus logo
    JetBlue Airways logo
    Aer Lingus logo
    Ryanair logo
    Vueling logo
  • Via Montreal (YUL)Air Canada the whole way
    Air Canada logo
    Porter Airlines logo
    Air Canada logo
    Air Transat logo
  • Via London (LGW)JetBlue Airways, then easyJet and Vueling
    JetBlue Airways logo
    easyJet logo
    Vueling logo
  • Via London (LHR)British Airways the whole way
    British Airways logo
    Delta Air Lines logo
    Virgin Atlantic logo
    +2
    British Airways logo
    Vueling logo
  • Via Paris (CDG)Air France the whole way
    Air France logo
    Delta Air Lines logo
    JetBlue Airways logo
    Air France logo
    Vueling logo
  • Via New York (JFK)American Airlines and Delta Air Lines the whole way
    American Airlines logo
    JetBlue Airways logo
    Delta Air Lines logo
    American Airlines logo
    Delta Air Lines logo
    Iberia logo
  • Via New York (EWR)United Airlines the whole way
    United Airlines logo
    Delta Air Lines logo
    United Airlines logo
  • Via Edinburgh (EDI)Delta Air Lines and JetBlue Airways, then Ryanair, Vueling and 2 more
    Delta Air Lines logo
    JetBlue Airways logo
    Ryanair logo
    Vueling logo
    Ryanair UK logo
    +1
  • Via Nice (NCE)Delta Air Lines, then Vueling
    Delta Air Lines logo
    Vueling logo
  • Via Philadelphia (PHL)American Airlines the whole way
    American Airlines logo
    JetBlue Airways logo
    Delta Air Lines logo
    American Airlines logo
See all 35 in Routes

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.