Cheap flights from Houston to Denver from $107 HOU, IAH → DEN

Found recently, and the cheapest we hold

What have prices looked like?

Over 36 days, 7 Oct to 11 Nov, the cheapest return we saw each day was $93 to $217.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 3-night return fares leaving within 3 days of 7 Dec to compare.

Every date we hold

49 fares on 6 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $171.

Found recently, and the cheapest we hold

What have prices looked like?

Over 47 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $33 to $103.

At $107, the cheapest one-way found recently is above that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

No. We hold one-way fares on 2 other departure dates within 3 days of 19 Dec, and none is cheaper.

Every date we hold

7 fares on 4 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $94.

Return

Fares 90 to 179 days before departure were typically 52% lower than 0 to 6 days before departure.

From the cheapest return each day between 7 Oct and 11 Nov (36 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

Fares 14 to 29 days before departure were typically 32% lower than 0 to 6 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (47 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Houston to Denver?

The cheapest return found recently is $213 with Frontier Airlines, 7 Dec to 10 Dec, found yesterday. The cheapest return we hold, of any age, is $171 with Frontier Airlines, 7 Dec to 11 Dec, found 3 days ago. The cheapest return fare on each of 6 departure dates is usually $210 to $280.

How much is a one-way flight from Houston to Denver?

The cheapest one-way found recently is $107 with Frontier Airlines, 19 Dec, found yesterday. The cheapest one-way we hold, of any age, is $94 with Frontier Airlines, 19 Dec, found 7 days ago. The cheapest one-way fare on each of 4 departure dates is usually $114 to $144.

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

December 2026 is the cheapest month for a return, from $171, 7 Dec to 11 Dec, found 3 days ago. It is the cheapest month for a one-way too, from $94, 19 Dec, found 7 days ago.

How far ahead should I book a flight from Houston to Denver?

In 36 days of prices between 7 Oct and 11 Nov, return fares 90 to 179 days before departure were typically 52% lower than 0 to 6 days before departure. In 47 days of prices between 24 Sept and 11 Nov, one-way fares 14 to 29 days before departure were typically 32% lower than 0 to 6 days before departure.

Is there a direct flight from Houston to Denver?

Yes, the cheapest nonstop return found recently is $214 with Frontier Airlines, 7 Dec to 10 Dec, found 2 days ago. The cheapest nonstop one-way found recently is $107 with Frontier Airlines, 19 Dec, found yesterday.

How long is the flight from Houston to Denver?

The cheapest nonstop one-way found recently, with Frontier Airlines on 19 Dec, takes 2 h 45 min from George Bush Intercontinental Airport (IAH) to Denver International Airport (DEN).

Which airlines have the cheapest flights from Houston to Denver?

Between 19 Nov and 21 Feb 2027, Frontier Airlines has the cheapest return on all 6 departure dates we hold. Between 29 Nov and 20 Dec, Frontier Airlines has the cheapest one-way on all 4 departure dates we hold.