Seattle (SEA) to San Antonio (SAT) flights
One airline flies nonstop from Seattle (SEA) to San Antonio (SAT): Alaska Airlines. The two airports are 1,773 miles (2,854 km) apart. Alaska Airlines is in oneworld. There are also 26 ways to fly it with one stop, through Salt Lake City, Denver and El Paso and more.
Airlines flying nonstop from SEA to SAT
- Alaska Airlinesoneworld · bookable with 9 programsWho books it
Book SEA to SAT with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Alaska Atmos RewardsBooks Alaska Airlines
- American AAdvantageBooks Alaska Airlines
- British Airways ClubBooks Alaska Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines
- Finnair PlusBooks Alaska Airlines
- Iberia ClubBooks Alaska Airlines
- JAL Mileage BankBooks Alaska Airlines
- Qantas Frequent FlyerBooks Alaska Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines
SEA to SAT with one stop
26 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Salt Lake City (SLC)Delta Air Lines the whole way
- Via Denver (DEN)Frontier Airlines, United Airlines and 1 more the whole way+3
- Via El Paso (ELP)Alaska Airlines, then Southwest Airlines
- Via Dallas (DFW)American Airlines the whole way
- Via Dallas (DAL)Southwest Airlines the whole way
- Via Las Vegas (LAS)Southwest Airlines and Frontier Airlines the whole way+2
- Via Phoenix (PHX)American Airlines and Southwest Airlines the whole way+1
- Via Houston (IAH)United Airlines the whole way
- Via Houston (HOU)Southwest Airlines the whole way
- Via San Francisco (SFO)United Airlines the whole way
- Via Los Angeles (LAX)American Airlines and Delta Air Lines the whole way+2
- Via San Diego (SAN)Southwest Airlines the whole way
- Via Kansas City (MCI)Southwest Airlines the whole way
- Via Saint Louis (STL)Southwest Airlines the whole way
- Via Minneapolis (MSP)Delta Air Lines the whole way
SEA to SAT: common questions
Which airlines fly nonstop from SEA to SAT?
Alaska Airlines (oneworld) flies nonstop from Seattle (SEA) to San Antonio (SAT).
How far is Seattle from San Antonio by plane?
Seattle (SEA) and San Antonio (SAT) are 1,773 miles (2,854 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book SEA to SAT award flights?
9 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 1 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does SEA to SAT cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SEA to SAT with taxes and fees.
Where can I connect between Seattle and San Antonio?
The most direct connections are through Salt Lake City (SLC), Denver (DEN), El Paso (ELP), Dallas (DFW) and Dallas (DAL). On 23 of them the same airline flies both flights, for example Delta Air Lines through Salt Lake City.
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.