Dulles (IAD) to Toulouse (TLS) flights
One airline flies nonstop from Dulles (IAD) to Toulouse (TLS): United Airlines. The two airports are 3,946 miles (6,351 km) apart. United Airlines is in Star Alliance. There are also 19 ways to fly it with one stop, through Montreal, Madrid and Dublin and more.
Airlines flying nonstop from IAD to TLS
- United AirlinesStar Alliance · bookable with 13 programsWho books it

Book IAD to TLS 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 TLS with one stop
19 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Montreal (YUL)Air Canada the whole way




- Via Madrid (MAD)Iberia the whole way




- Via Dublin (DUB)Aer Lingus the whole way




- Via London (LHR)British Airways the whole way




- Via Lisbon (LIS)TAP Portugal the whole way




- Via Paris (CDG)Air France the whole way



- Via Edinburgh (EDI)United Airlines, then Ryanair


- Via Geneva (GVA)United Airlines, then easyJet


- Via Brussels (BRU)Brussels Airlines the whole way



- Via Amsterdam (AMS)KLM the whole way



- Via Nice (NCE)United Airlines, then easyJet


- Via Milan (MXP)United Airlines, then easyJet


- Via Casablanca (CMN)Royal Air Maroc the whole way


- Via Munich (MUC)Lufthansa the whole way




- Via Venice (VCE)United Airlines, then Volotea


IAD to TLS: common questions
Which airlines fly nonstop from IAD to TLS?
United Airlines (Star Alliance) flies nonstop from Dulles (IAD) to Toulouse (TLS).
How far is Dulles from Toulouse by plane?
Dulles (IAD) and Toulouse (TLS) are 3,946 miles (6,351 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 TLS 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 TLS 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 TLS with taxes and fees.
Where can I connect between Dulles and Toulouse?
The most direct connections are through Montreal (YUL), Madrid (MAD), Dublin (DUB), London (LHR) and Lisbon (LIS). On 11 of them the same airline flies both flights, for example Air Canada through Montreal.
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.