Seattle to San Antonio (SEA–SAT) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
SEA–SAT is served by 3 airlines with nonstop service. Qatar Airways, Alaska Airlines and Delta Air Lines lead the route. The flight covers 1,774 miles in approximately 4h 8m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| QR Qatar Airways | 18 | 73H, 73J, 7M9, B39M | 4h02-4h13 | Oneworld | – | |
| AS Alaska Airlines Also: HA | 15 | 7M9, B39M | 3h34-4h06 | Oneworld | HA | |
| DL Delta Air Lines | 0 | – | – | SkyTeam | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach San Antonio from Seattle
| Metric | SEA→SAT | BFI→SAT | OLM→SAT |
|---|---|---|---|
| Distance from SEA | – | 5 mi | 43 mi |
| Nonstop airlines | 3 | 2 | 1 |
| Weekly flights | 33 | 1 | 1 |
| Flight time | 4h 8m | 3h 27m | 3h 25m |
| Departure OTP | 43% | – | – |
Travel Essentials
SEA: PDT · SAT: CDT
When it's 6:00 PM in Seattle, it's 8:00 PM in San Antonio.
Link Light Rail runs from downtown Seattle (Westlake station) to the airport in 38 minutes ($3.50 peak). Trains run every 6–12 minutes during peak hours from 5am to 1am. Ride-shares run $30–50 from downtown; SR-99 and I-5 can be heavily congested southbound during afternoon rush (3–7pm).
Sound Transit 574 express bus serves Tacoma ($2.50–4). Sounder commuter rail connects Tacoma to the airport area via a shuttle.
SEA–SAT Quick Facts
Frequently Asked Questions
Flights from SEA to SAT
Seattle–Tacoma International Airport (SEA) and San Antonio International Airport (SAT) are connected by nonstop service from Qatar Airways, Alaska Airlines and Delta Air Lines. With 33 weekly departures, this is a heavily served route.
SEA to SAT Flight Duration and Schedule
Nonstop flight time from SEA to SAT is about 4 hours 8 minutes gate to gate. The route covers a distance of 1,774 miles (2,854 km). There are approximately 33 weekly flights outbound and 32 return, totaling 65 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Denver, Salt Lake City and Dallas Love Field. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Seattle (BFI), Olympia (OLM) and Bellingham (BLI).