# Denver (DEN) to Houston (IAH) business class award flights

Source: https://miles.zone/routes/den-iah
Data updated: 2026-10-12T21:55:06.115Z
Cash amounts are in US dollars.

Fewest points: 30,000 miles plus $6 on United Airlines through United MileagePlus, departing 2026-10-24.

## Every program and airline that can book it, next 60 days

| Airline | Program | Points | Cash on top | Routing | Departs | Checked |
| --- | --- | --- | --- | --- | --- | --- |
| United Airlines | [United MileagePlus](https://miles.zone/programs/united-mileageplus) | 30,000 miles | $6 | via ORD | 2026-10-24 | 12 Oct 2026, 21:55 UTC |

## Route facts

Over the next 60 days we hold business class seats from Denver to Houston on 60 of the 60 departure days, through 1 program. These figures are counted from the seats stored for those dates, not from a price history; the typical day is the median of each day's cheapest seat.

| Program | Days with space | Lowest | Typical day | Cash on top |
| --- | --- | --- | --- | --- |
| [United MileagePlus](https://miles.zone/programs/united-mileageplus) | 60 of 60 | 30,000 miles | 42,800 miles | $6 |

Nonstop seats on United Airlines.

## How to book it

1. [United MileagePlus](https://miles.zone/programs/united-mileageplus) books on united.com: sign in there, search DEN to IAH in business class on a date with space, and pay in miles with the cash on top (from $6).

MilesZone finds the seat; it does not book it or take payment.

## More routes from Denver

- [London (LHR)](https://miles.zone/routes/den-lhr)
- [London (LGW)](https://miles.zone/routes/den-lgw)
- [Dallas (DFW)](https://miles.zone/routes/den-dfw)
- [Phoenix (PHX)](https://miles.zone/routes/den-phx)
- [Charlotte (CLT)](https://miles.zone/routes/den-clt)
- [Portland (PDX)](https://miles.zone/routes/den-pdx)
- [San Diego (SAN)](https://miles.zone/routes/den-san)
- [Boise (BOI)](https://miles.zone/routes/den-boi)
- [Las Vegas (LAS)](https://miles.zone/routes/den-las)
- [Bellingham (BLI)](https://miles.zone/routes/den-bli)
- [Burbank (BUR)](https://miles.zone/routes/den-bur)
- [Wenatchee (EAT)](https://miles.zone/routes/den-eat)

## More routes to Houston

- [Edinburgh (EDI)](https://miles.zone/routes/edi-iah)
- [London (LHR)](https://miles.zone/routes/lhr-iah)
- [Manchester (MAN)](https://miles.zone/routes/man-iah)
- [Amsterdam (AMS)](https://miles.zone/routes/ams-iah)
- [Paris (CDG)](https://miles.zone/routes/cdg-iah)
- [Doha (DOH)](https://miles.zone/routes/doh-iah)
- [Frankfurt (FRA)](https://miles.zone/routes/fra-iah)
- [London (LGW)](https://miles.zone/routes/lgw-iah)
- [Munich (MUC)](https://miles.zone/routes/muc-iah)
- [Tokyo (NRT)](https://miles.zone/routes/nrt-iah)
- [Sydney (SYD)](https://miles.zone/routes/syd-iah)
- [Seoul (ICN)](https://miles.zone/routes/icn-iah)