San Antonio (SAT) to Dulles (IAD) flights
One airline flies nonstop from San Antonio (SAT) to Dulles (IAD): United Airlines. The two airports are 1,361 miles (2,191 km) apart. United Airlines is in Star Alliance. There are also 25 ways to fly it with one stop, through Nashville, Houston and Atlanta and more.
Airlines flying nonstop from SAT to IAD
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book SAT to IAD 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
SAT to IAD with one stop
25 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Nashville (BNA)Southwest Airlines, then United Airlines
- Via Houston (IAH)United Airlines the whole way
- Via Atlanta (ATL)Delta Air Lines the whole way
- Via Charlotte (CLT)American Airlines the whole way
- Via Dallas (DFW)American Airlines the whole way
- Via Raleigh/Durham (RDU)Breeze Airways, then United Airlines
- Via New Orleans (MSY)Southwest Airlines, then United Airlines
- Via Saint Louis (STL)Southwest Airlines, then United Airlines
- Via Detroit (DTW)Delta Air Lines the whole way
- Via Philadelphia (PHL)American Airlines, then United Airlines
- Via Chicago (ORD)United Airlines the whole way
- Via Kansas City (MCI)Southwest Airlines, then United Airlines
- Via Toronto (YYZ)Air Canada the whole way
- Via New York (EWR)United Airlines the whole way
- Via Tampa (TPA)Southwest Airlines, then United Airlines and Frontier Airlines
SAT to IAD: common questions
Which airlines fly nonstop from SAT to IAD?
United Airlines (Star Alliance) flies nonstop from San Antonio (SAT) to Dulles (IAD).
How far is San Antonio from Dulles by plane?
San Antonio (SAT) and Dulles (IAD) are 1,361 miles (2,191 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book SAT to IAD 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 SAT to IAD cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SAT to IAD with taxes and fees.
Where can I connect between San Antonio and Dulles?
The most direct connections are through Nashville (BNA), Houston (IAH), Atlanta (ATL), Charlotte (CLT) and Dallas (DFW). On 15 of them the same airline flies both flights, for example United Airlines through Houston.
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.