Dulles (IAD) to South Bend (SBN) flights
2 airlines fly nonstop from Dulles (IAD) to South Bend (SBN): Breeze Airways and United Airlines. The two airports are 504 miles (811 km) apart. United Airlines is in Star Alliance. There are also 9 ways to fly it with one stop, through Detroit, Chicago and Raleigh/Durham and more.
Airlines flying nonstop from IAD to SBN
- Breeze AirwaysNot in an alliance
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book IAD to SBN 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 SBN with one stop
9 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Detroit (DTW)Delta Air Lines the whole way
- Via Chicago (ORD)United Airlines the whole way
- Via Raleigh/Durham (RDU)United Airlines, then Delta Air Lines
- Via New York (EWR)United Airlines the whole way
- Via Charlotte (CLT)American Airlines the whole way
- Via New York (LGA)United Airlines, then Delta Air Lines and American Airlines
- Via Atlanta (ATL)Delta Air Lines the whole way
- Via Boston (BOS)United Airlines, then Delta Air Lines and American Airlines
- Via Minneapolis (MSP)Delta Air Lines the whole way
IAD to SBN: common questions
Which airlines fly nonstop from IAD to SBN?
Breeze Airways and United Airlines (Star Alliance) fly nonstop from Dulles (IAD) to South Bend (SBN).
How far is Dulles from South Bend by plane?
Dulles (IAD) and South Bend (SBN) are 504 miles (811 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 SBN 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.
How many miles does IAD to SBN cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IAD to SBN with taxes and fees.
Where can I connect between Dulles and South Bend?
The most direct connections are through Detroit (DTW), Chicago (ORD), Raleigh/Durham (RDU), New York (EWR) and Charlotte (CLT). On 6 of them the same airline flies both flights, for example Delta Air Lines through Detroit.
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.