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BOI to LEX: distance & flight time
Boise (Boise Air Terminal/Gowen Field) → Lexington KY (Blue Grass Airport)
1,686 mi
2,714 km · 1,465 nm
3h 46m
estimated nonstop flight time
+2h
time difference · heading east
See live BOI→LEX fares Phone-only fares on this route — call free
Flight time details
1,686 miles nonstop takes roughly 3h 46m gate to gate, flying east. 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
- BOI — Boise Air Terminal/Gowen Field · Boise, United States
- LEX — Blue Grass Airport · Lexington KY, 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 LEX
- FFT · Capital City Airport19 mi away
- LOU · Bowman Field59 mi away
- SDF · Louisville International Standiford Field62 mi away
- SME · Lake Cumberland Regional Airport68 mi away
Frequently asked questions
How far is BOI from LEX?
The flight distance from Boise (BOI) to Lexington KY (LEX) is 1,686 miles (2,714 km, 1,465 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOI to LEX?
A nonstop flight takes about 3h 46m 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 Lexington KY?
Lexington KY is 2 hours ahead of Boise.
What is the cheapest way to fly from BOI to LEX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOI–LEX that never appear on search engines, with no booking fees.