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IAH to LEX: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → Lexington KY (Blue Grass Airport)
828 mi
1,333 km · 720 nm
2h 16m
estimated nonstop flight time
+1h
time difference · heading northeast
See live IAH→LEX fares Phone-only fares on this route — call free
Flight time details
828 miles nonstop takes roughly 2h 16m gate to gate, flying northeast. 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
- IAH — George Bush Intercontinental Houston Airport · Houston, 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 IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 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 IAH from LEX?
The flight distance from Houston (IAH) to Lexington KY (LEX) is 828 miles (1,333 km, 720 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to LEX?
A nonstop flight takes about 2h 16m 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 Houston and Lexington KY?
Lexington KY is 1 hour ahead of Houston.
What is the cheapest way to fly from IAH to LEX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–LEX that never appear on search engines, with no booking fees.