Boston (BOS) to Louisville (SDF) flights
2 airlines fly nonstop from Boston (BOS) to Louisville (SDF): American Airlines and Delta Air Lines. The two airports are 827 miles (1,331 km) apart. American Airlines is in oneworld and Delta Air Lines is in SkyTeam. There are also 17 ways to fly it with one stop, through Pittsburgh, New York and New York and more.
Airlines flying nonstop from BOS to SDF
- American Airlinesoneworld · bookable with 9 programsWho books it
- Delta Air LinesSkyTeam · bookable with 8 programsWho books it
Book BOS to SDF 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 American Airlines
- American AAdvantageBooks American Airlines
- British Airways ClubBooks American Airlines
- Cathay Pacific Asia MilesBooks American Airlines
- China Eastern Eastern MilesBooks Delta Air Lines
- Delta SkyMilesBooks Delta Air Lines
- Finnair PlusBooks American Airlines
- Garuda Indonesia GarudaMilesBooks Delta Air Lines
- Iberia ClubBooks American Airlines
- JAL Mileage BankBooks American Airlines
- Korean Air SKYPASSBooks Delta Air Lines
- Qantas Frequent FlyerBooks American Airlines
- Qatar Airways Privilege ClubBooks American Airlines
- SAS EuroBonusBooks Delta Air Lines
- Virgin Atlantic Flying ClubBooks Delta Air Lines
BOS to SDF with one stop
17 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Pittsburgh (PIT)JetBlue Airways and Delta Air Lines, then Breeze Airways
- Via New York (EWR)United Airlines the whole way
- Via New York (LGA)Delta Air Lines the whole way
- Via Philadelphia (PHL)American Airlines the whole way
- Via Baltimore (BWI)Southwest Airlines the whole way
- Via Dulles (IAD)United Airlines the whole way
- Via Washington (DCA)American Airlines the whole way
- Via Detroit (DTW)Delta Air Lines the whole way
- Via Raleigh/Durham (RDU)JetBlue Airways, Delta Air Lines and 1 more, then Breeze Airways
- Via Charlotte (CLT)American Airlines the whole way
- Via Nashville (BNA)Southwest Airlines the whole way
- Via Chicago (MDW)Southwest Airlines the whole way
- Via Chicago (ORD)American Airlines and United Airlines the whole way+1
- Via Atlanta (ATL)Delta Air Lines the whole way
- Via Charleston (CHS)JetBlue Airways and Delta Air Lines, then Breeze Airways
BOS to SDF: common questions
Which airlines fly nonstop from BOS to SDF?
American Airlines (oneworld) and Delta Air Lines (SkyTeam) fly nonstop from Boston (BOS) to Louisville (SDF).
How far is Boston from Louisville by plane?
Boston (BOS) and Louisville (SDF) are 827 miles (1,331 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 SDF award flights?
17 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 9 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does BOS to SDF 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 SDF with taxes and fees.
Where can I connect between Boston and Louisville?
The most direct connections are through Pittsburgh (PIT), New York (EWR), New York (LGA), Philadelphia (PHL) and Baltimore (BWI). On 14 of them the same airline flies both flights, for example United Airlines 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.