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BOI to SAT: distance & flight time
Boise (Boise Air Terminal/Gowen Field) → San Antonio (San Antonio International Airport)
1,377 mi
2,215 km · 1,196 nm
3h 28m
estimated nonstop flight time
+1h
time difference · heading southeast
See live BOI→SAT fares Phone-only fares on this route — call free
Flight time details
1,377 miles nonstop takes roughly 3h 28m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- BOI — Boise Air Terminal/Gowen Field · Boise, 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 BOI
- MUO · Mountain Home Air Force Base40 mi away
- ONO · Ontario Municipal Airport50 mi away
- MYL · McCall Municipal Airport92 mi away
- SUN · Friedman Memorial Airport97 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 BOI from SAT?
The flight distance from Boise (BOI) to San Antonio (SAT) is 1,377 miles (2,215 km, 1,196 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOI to SAT?
A nonstop flight takes about 3h 28m 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 Boise and San Antonio?
San Antonio is 1 hour ahead of Boise.
What is the cheapest way to fly from BOI to SAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOI–SAT that never appear on search engines, with no booking fees.