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SEA to SKF: distance & flight time
Seattle (Seattle Tacoma International Airport) → San Antonio (Lackland Air Force Base)
1,777 mi
2,860 km · 1,544 nm
3h 57m
estimated nonstop flight time
+2h
time difference · heading southeast
See live SEA→SKF fares Phone-only fares on this route — call free
Flight time details
1,777 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
- SKF — Lackland Air Force Base · 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 SKF
- SSF · Stinson Municipal Airport7 mi away
- SAT · San Antonio International Airport12 mi away
- RND · Randolph Air Force Base21 mi away
- AUS · Austin Bergstrom International Airport78 mi away
Frequently asked questions
How far is SEA from SKF?
The flight distance from Seattle (SEA) to San Antonio (SKF) is 1,777 miles (2,860 km, 1,544 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEA to SKF?
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 SKF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEA–SKF that never appear on search engines, with no booking fees.