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BOI to SMX: distance & flight time
Boise (Boise Air Terminal/Gowen Field) → Santa Maria (Santa Maria Pub/Capt G Allan Hancock Field)
640 mi
1,030 km · 556 nm
1h 51m
estimated nonstop flight time
-1h
time difference · heading south
See live BOI→SMX fares Phone-only fares on this route — call free
Flight time details
640 miles nonstop takes roughly 1h 51m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- BOI — Boise Air Terminal/Gowen Field · Boise, United States
- SMX — Santa Maria Pub/Capt G Allan Hancock Field · Santa Maria, 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 SMX
- VBG · Vandenberg Air Force Base13 mi away
- LPC · Lompoc Airport16 mi away
- SBP · San Luis County Regional Airport26 mi away
- SQA · Santa Ynez Airport30 mi away
Frequently asked questions
How far is BOI from SMX?
The flight distance from Boise (BOI) to Santa Maria (SMX) is 640 miles (1,030 km, 556 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOI to SMX?
A nonstop flight takes about 1h 51m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from BOI to SMX?
Nonstop service on BOI–SMX depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 51m nonstop estimate.
What is the time difference between Boise and Santa Maria?
Santa Maria is 1 hour behind Boise.
What is the cheapest way to fly from BOI to SMX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOI–SMX that never appear on search engines, with no booking fees.
Why are some BOI to SMX fares phone-only?
Consolidator contracts let us sell certain BOI–SMX tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.