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SEA to SAT: distance & flight time
Seattle (Seattle Tacoma International Airport) → San Antonio (San Antonio International Airport)
1,774 mi
2,854 km · 1,541 nm
3h 57m
estimated nonstop flight time
+2h
time difference · heading southeast
See live SEA→SAT fares Phone-only fares on this route — call free
Flight time details
1,774 miles nonstop takes roughly 3h 57m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- SEA — Seattle Tacoma International Airport · Seattle, United States
- SAT — San Antonio International Airport · San Antonio, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
Near SAT
- RND · Randolph Air Force Base11 mi away
- SKF · Lackland Air Force Base12 mi away
- SSF · Stinson Municipal Airport14 mi away
- AUS · Austin Bergstrom International Airport66 mi away
Frequently asked questions
How far is SEA from SAT?
The flight distance from Seattle (SEA) to San Antonio (SAT) is 1,774 miles (2,854 km, 1,541 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEA to SAT?
A nonstop flight takes about 3h 57m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Seattle and San Antonio?
San Antonio is 2 hours ahead of Seattle.
What is the cheapest way to fly from SEA to SAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEA–SAT that never appear on search engines, with no booking fees.