Cheap flights from Houston to Denver

One-way fares from $137 · HOU → DEN · prices found by travellers in the last 48 hours

Compare all dates Denver → Houston
Cheapest fare
$137

Frontier Airlines · Tue, Nov 10

Cheapest month
November

from $137

Direct flights
Not recently

Usually 1+ stop

Quickest trip
4h 58m

1,410 km

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Cheapest month to fly from Houston to Denver

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $137

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart06:00 Tue, Nov 10IAH → DEN 5h 34m · 1 stop
$137one way, per person
View deal
Frontier Airlines
Depart15:49 Mon, Nov 16IAH → DEN 6h 21m · 1 stop
$159one way, per person
View deal
Frontier Airlines
Depart12:19 Thu, Nov 12IAH → DEN 6h 04m · 1 stop
$171one way, per person
View deal
Frontier Airlines
Depart10:45 Fri, Nov 13IAH → DEN 5h 02m · 1 stop
$171one way, per person
View deal
Frontier Airlines
Depart06:00 Fri, Nov 6IAH → DEN 5h 34m · 1 stop
$173one way, per person
View deal
Frontier Airlines
Depart12:27 Mon, Nov 9IAH → DEN 6h 53m · 1 stop
$176one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Denver

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in DenverCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in DenverTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in DenverPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in DenverCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Houston to Denver

Houston (HOU) and Denver (DEN) are about 1,410 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 4h 58m. Over the next few months, one-way fares start from $137, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Houston to Denver?

The cheapest one-way fare we've seen recently is $137 with Frontier Airlines, departing Tuesday, November 10, 2026.

What is the cheapest month to fly from Houston to Denver?

November 2026 currently has the lowest fares, from $137 one way.

Are there direct flights from Houston to Denver?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Houston to Denver?

The quickest journey we've seen takes about 4h 58m. Houston and Denver are around 1,410 km apart.

Which airlines fly from Houston to Denver?

Recent fares on this route were with Frontier Airlines.

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