flight_takeoff DEN → IAH

Cheap Flights from Denver to Houston

Compare fares from Denver (DEN) to Houston (IAH) across hundreds of airlines. The route covers about 862 miles with a typical nonstop time of ~2h 15m.

straighten

Distance

862 mi

1,387 km

schedule

Est. flight time

2h 15m

nonstop

flight

Nonstop service

Available

3 carriers

language

Time difference

1 hour ahead

Houston

Flying from Denver to Houston

The journey from Denver (DEN) to Houston (IAH) spans roughly 862 miles (1,387 km), a nonstop flight of about 2h 15m. On arrival, Houston is 1 hour ahead Denver. Lets Fly Travel compares live fares across hundreds of airlines so you can find the best deal — and every booking is reviewed by a real travel agent.

Airlines on this route

Carriers that have operated nonstop service between DEN and IAH include:

flightFrontier Airlines flightSpirit Airlines flightUnited Airlines

Airline availability changes over time — search your dates for current operators and fares.

Denver to Houston — FAQs

How long is the flight from Denver to Houston? expand_more
A nonstop flight from Denver (DEN) to Houston (IAH) takes approximately 2h 15m, covering a distance of about 862 miles (1387 km). Actual flight time varies with aircraft, routing and winds.
Which airlines fly from Denver to Houston? expand_more
Airlines that have operated nonstop service on the DEN–IAH route include Frontier Airlines, Spirit Airlines, United Airlines. Use our search to compare current carriers, schedules and fares.
Is there a nonstop flight from Denver to Houston? expand_more
Yes. The DEN–IAH route has nonstop service. Nonstop availability can vary by season and day of week, so check live results for your dates.
How far is Houston from Denver? expand_more
The distance from Denver (DEN) to Houston (IAH) is about 862 miles (1387 km) as the crow flies.
What is the time difference between Denver and Houston? expand_more
Houston is 1 hour ahead Denver. Factor the time change into your arrival and connection planning.
When is the best time to book flights from Denver to Houston? expand_more
For domestic routes like Denver to Houston, booking about 1–3 months ahead and choosing mid-week departures usually finds the best prices. Avoid peak Friday and Sunday travel where possible.

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