United States to Portugal · 3,185 miles (5,126 km)

Boston (BOS) to Lisbon (LIS) flights

2 airlines fly nonstop from Boston (BOS) to Lisbon (LIS): Delta Air Lines and TAP Portugal. The two airports are 3,185 miles (5,126 km) apart. Delta Air Lines is in SkyTeam and TAP Portugal is in Star Alliance. There are also 31 ways to fly it with one stop, through Halifax, Terceira and Ponta Delgada (Azores) and more.

Airlines flying nonstop from BOS to LIS

  • Delta Air Lines logo
    Delta Air LinesSkyTeam · bookable with 8 programsWho books it
  • TAP Portugal logo
    TAP PortugalStar Alliance · bookable with 12 programsWho books it

Book BOS to LIS with points

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

BOS to LIS with one stop

31 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 Terceira (TER)Azores Airlines the whole way
    Azores Airlines logo
    Azores Airlines logo
    TAP Portugal logo
  • Via Ponta Delgada (Azores) (PDL)Azores Airlines the whole way
    Azores Airlines logo
    Azores Airlines logo
    TAP Portugal logo
  • Via Porto (OPO)TAP Portugal the whole way
    TAP Portugal logo
    TAP Portugal logo
  • Via Montreal (YUL)Air Canada the whole way
    Air Canada logo
    Porter Airlines logo
    Air Canada logo
    Air Transat logo
    TAP Portugal logo
  • Via New York (JFK)Delta Air Lines the whole way
    American Airlines logo
    JetBlue Airways logo
    Delta Air Lines logo
    Delta Air Lines logo
    TAP Portugal logo
  • Via New York (EWR)United Airlines the whole way
    United Airlines logo
    Delta Air Lines logo
    TAP Portugal logo
    United Airlines logo
  • Via Madrid (MAD)Iberia the whole way
    Iberia logo
    JetBlue Airways logo
    Delta Air Lines logo
    Iberia logo
    TAP Portugal logo
    easyJet logo
    +2
  • Via Philadelphia (PHL)American Airlines the whole way
    American Airlines logo
    JetBlue Airways logo
    Delta Air Lines logo
    American Airlines logo
  • Via Dulles (IAD)United Airlines the whole way
    United Airlines logo
    United Airlines logo
    TAP Portugal logo
  • Via Dublin (DUB)Aer Lingus the whole way
    Delta Air Lines logo
    Aer Lingus logo
    JetBlue Airways logo
    Aer Lingus logo
    Ryanair logo
    TAP Portugal logo
  • Via Toronto (YYZ)Air Canada the whole way
    Air Canada logo
    Porter Airlines logo
    Air Canada logo
    TAP Portugal logo
    Air Transat logo
  • Via London (LHR)British Airways the whole way
    British Airways logo
    Delta Air Lines logo
    Virgin Atlantic logo
    +2
    British Airways logo
    TAP Portugal logo
  • Via Reykjavik (KEF)Icelandair the whole way
    Icelandair logo
    Icelandair logo
  • Via London (LGW)JetBlue Airways, then TAP Portugal and easyJet
    JetBlue Airways logo
    TAP Portugal logo
    easyJet logo
See all 31 in Routes

BOS to LIS: common questions

Which airlines fly nonstop from BOS to LIS?

Delta Air Lines (SkyTeam) and TAP Portugal (Star Alliance) fly nonstop from Boston (BOS) to Lisbon (LIS).

How far is Boston from Lisbon by plane?

Boston (BOS) and Lisbon (LIS) are 3,185 miles (5,126 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 LIS award flights?

20 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air Canada Aeroplan, Air France-KLM Flying Blue, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, China Eastern Eastern Miles, Delta SkyMiles and 12 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does BOS to LIS 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 LIS with taxes and fees.

Where can I connect between Boston and Lisbon?

The most direct connections are through Halifax (YHZ), Terceira (TER), Ponta Delgada (Azores) (PDL), Porto (OPO) and Montreal (YUL). On 19 of them the same airline flies both flights, for example Azores Airlines through Terceira.

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.