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APA to IAH: distance & flight time
Denver (Centennial Airport) → Houston (George Bush Intercontinental Houston Airport)
853 mi
1,373 km · 741 nm
2h 19m
estimated nonstop flight time
+1h
time difference · heading southeast
See live APA→IAH fares Phone-only fares on this route — call free
Flight time details
853 miles nonstop takes roughly 2h 19m 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
- APA — Centennial Airport · Denver, United States
- IAH — George Bush Intercontinental Houston Airport · Houston, 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 APA
- DEN · Denver International Airport22 mi away
- BFK · Buckley Air Force Base10 mi away
- BJC · Rocky Mountain Metropolitan Airport27 mi away
- WBU · Boulder Municipal Airport38 mi away
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
Frequently asked questions
How far is APA from IAH?
The flight distance from Denver (APA) to Houston (IAH) is 853 miles (1,373 km, 741 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from APA to IAH?
A nonstop flight takes about 2h 19m 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 Denver and Houston?
Houston is 1 hour ahead of Denver.
What is the cheapest way to fly from APA to IAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on APA–IAH that never appear on search engines, with no booking fees.