Cheap flights from Denver to Houston

One-way fares from $86 · DEN → HOU · prices found by travellers in the last 48 hours

Cheapest fare
$86

Frontier Airlines · Thu, Nov 26

Cheapest month
November

from $86

Direct flights
Yes

Frontier Airlines and Southwest Airlines

Flight time
2h 20m

1,410 km

Get a price alert

We'll email you when Denver → Houston drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $86. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Denver to Houston

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

  1. November 2026 Cheapest $86
  2. December 2026 $125

Cheapest dates in November 2026

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

Frontier Airlines
Depart06:00 Thu, Nov 26DEN → IAH 2h 42m · Direct
$86one way, per person
View deal
Frontier Airlines
Depart06:00 Fri, Nov 27DEN → IAH 2h 42m · Direct
$87one way, per person
View deal
Frontier Airlines
Depart20:59 Sat, Nov 28DEN → IAH 2h 23m · Direct
$145one way, per person
View deal
Southwest Airlines
Depart19:15 Sun, Nov 29DEN → HOU 2h 20m · Direct
$151one way, per person
View deal
Frontier Airlines
Depart07:30 Mon, Nov 16DEN → IAH 5h 18m · 1 stop
$155one way, per person
View deal
Frontier Airlines
Depart18:42 Sun, Nov 15DEN → IAH 5h 13m · 1 stop
$165one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Houston

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

About flights from Denver to Houston

Denver (DEN) and Houston (HOU) are about 1,410 km apart. Direct flights take around 2h 20m, and recent direct fares were with Frontier Airlines and Southwest Airlines. Over the next few months, one-way fares start from $86, 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 Denver to Houston?

The cheapest one-way fare we've seen recently is $86 with Frontier Airlines, departing Thursday, November 26, 2026. Over the coming months, the lowest fare in each month ranges from $86 to $125.

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

November 2026 currently has the lowest fares, from $86 one way.

Are there direct flights from Denver to Houston?

Yes. Recent direct fares were with Frontier Airlines and Southwest Airlines.

How long is the flight from Denver to Houston?

A direct flight takes about 2h 20m. Denver and Houston are around 1,410 km apart.

Which airlines fly from Denver to Houston?

Recent fares on this route were with Frontier Airlines and Southwest Airlines.

More cheap flights from Denver

Compare flights to Houston from other cities →