Flights from Seattle to San Antonio – Direct & connecting routes
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SEA to SAT – All flight route options from Seattle Tacoma International, Washington, USA to San Antonio International, Texas, USA. These flights are operated by 8 airlines. Fly non-stop with Alaska Airlines or choose from 14 different transit flights. The shortest flight time is 4 hours and 5 minutes. See the full flight schedule and time table, including departure times, airlines and stopover details to find the best option for you.
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Seattle to San Antonio flights
There are over 15 airlines and as many as 582 flights every week to this destination. You can fly non-stop to San Antonio (SAT) from Seattle (SEA) with Alaska Airlines but if a stopover option suits you better you can choose to fly via Los Angeles, Las Vegas or any other of the 14 alternatives with connectiing airports.
Seattle to San Antonio with Alaska Airlines
You can fly non-stop every weekday with flights departing between 11:00 am and 11:00 pm. Alaska Airlines is a member of the air alliance OneWorld.
With Frontier Airlines
If you fly from Seattle with Frontier Airlines you will do a stopover in Denver, DEN before reaching San Antonio. This flight trip will take 6 hours and 10 minutes and you can fly every day of the week except Mondays and Tuesday with departures at 06:00 or 06:25.
Distance & flight times: Seattle Airport to San Antonio International
The shortest flight time between SEA and SAT is 4 hours and 4 minutes.
Via | Total flight time | Layover time | Distance |
---|---|---|---|
Direct | 4h 4m | - | 1783 miles (2869 km) |
LAX Los Angeles | 6h 28m | 30m | 2175 miles (3500 km) |
LAS Las Vegas | 6h 35m | 2h 45m | 1944 miles (3128 km) |
DEN Denver | 6h 38m | 1h 11m | 1827 miles (2940 km) |
PHX Phoenix | 6h 42m | 32m | 1959 miles (3152 km) |
DFW Dallas | 6h 52m | 2h 58m | 1915 miles (3081 km) |
SLC Salt Lake City | 7h 3m | 2h 32m | 1784 miles (2870 km) |
DAL Dallas | 7h 25m | 1h 10m | 1926 miles (3099 km) |
IAH Houston | 7h 28m | 1h 47m | 2074 miles (3337 km) |
HOU Houston | 7h 50m | 2h 30m | 2095 miles (3371 km) |
SAN San Diego | 8h 15m | 1h 20m | 2190 miles (3524 km) |
SFO San Francisco | 8h 41m | 2h 19m | 2171 miles (3493 km) |
SJC San Jose | 8h 50m | 1h 35m | 2160 miles (3475 km) |
OAK Oakland | 9h 55m | 2h 45m | 2156 miles (3469 km) |
SMF Sacramento | 9h 55m | 2h 55m | 2078 miles (3344 km) |

