Denver to Houston (Bush) Flights
Everything you need to know about the DEN → IAH domestic route — flight time, airlines, fares, and booking tips. Track your flight in real time with TripTrack.
✈️ Route Overview
Key facts for the Denver to Houston (Bush) route
🛫 Airlines on This Route
Carriers operating DEN → IAH flights
| Airline | Notes |
|---|---|
| Delta | SkyMiles frequent flyer program |
| American Airlines | AAdvantage frequent flyer program |
| United | MileagePlus frequent flyer program |
| Southwest | Rapid Rewards — bags fly free |
| Alaska Airlines | Mileage Plan — generous earning rates |
| JetBlue | TrueBlue — free snacks, above-average legroom |
💡 Booking Tips
How to get the best deal on Denver to Houston (Bush) flights
Best Days to Fly
Tuesday, Wednesday, and Saturday typically offer lower fares
Fare Range
$80-$240 round trip. Book 3–6 weeks in advance for domestic routes, 2–3 months for international.
Red-Eye Flights
✗ Not available
No overnight options on this route — plan for daytime travel.
Track Your Flight
Once booked, TripTrack automatically imports your flight from your confirmation email. Real-time gate changes and delay alerts — no manual entry needed.
🧳 Travel Tips for This Route
Practical advice from frequent travelers on the DEN → IAH route
- 1 Southwest Airlines does not charge bag fees on this route.
- 2 Spirit and Frontier offer bare-bones fares; add-ons can add up quickly.
🏢 Airport Guides
Full terminal, transit, and traveler info for both airports
Track Your DEN → IAH Flight — Automatically
TripTrack monitors your flight in real time — gate changes, delays, and departure updates sent to your phone the moment they happen. Connect your Gmail once and your trips appear automatically. No manual entry.
Frequently Asked Questions — Denver to Houston (Bush) Flights
How long is the flight from Denver to Houston (Bush)?
The average flight time from Denver (DEN) to Houston (Bush) (IAH) is 2h 20m. This is an estimate including taxi, climb, and descent time — actual flight time may vary based on winds and routing.
Which airlines fly from Denver to Houston (Bush)?
Airlines operating the DEN to IAH route include Delta, American Airlines, United and 3 more. Check each airline's website for current schedules and availability.
How far is Denver from Houston (Bush)?
The great-circle distance from Denver to Houston (Bush) is 862 miles (1,387 km). This is the straight-line distance — actual flight paths may be slightly longer.
What are the cheapest days to fly from Denver to Houston (Bush)?
Tuesday, Wednesday, and Saturday typically offer lower fares. Fares on this route typically range $80-$240 round trip.
Is there a time zone change flying from Denver to Houston (Bush)?
Yes — there is a +1 hour when flying from Denver to Houston (Bush). TripTrack automatically shows local times for both your departure and arrival airports.
Are there red-eye flights from Denver to Houston (Bush)?
No, there are currently no overnight (red-eye) flights on the DEN to IAH route. All flights operate during daytime hours.
How can I track my Denver to Houston (Bush) flight in real time?
TripTrack automatically tracks your DEN to IAH flight — showing real-time gate changes, delays, and departure updates. Connect your Gmail once and your booking confirmation is imported automatically. Available free on iOS and Android.