# Denver (DEN) to Washington (IAD) business class award flights

Source: https://miles.zone/routes/den-iad
Data updated: 2026-10-12T01:23:05.324Z
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, 01:23 UTC |

## Route facts

Over the next 60 days we hold business class seats from Denver to Washington 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 | 45,400 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 IAD 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 Washington

- [London (LHR)](https://miles.zone/routes/lhr-iad)
- [Dublin (DUB)](https://miles.zone/routes/dub-iad)
- [Edinburgh (EDI)](https://miles.zone/routes/edi-iad)
- [Manchester (MAN)](https://miles.zone/routes/man-iad)
- [Amsterdam (AMS)](https://miles.zone/routes/ams-iad)
- [Paris (CDG)](https://miles.zone/routes/cdg-iad)
- [Madrid (MAD)](https://miles.zone/routes/mad-iad)
- [London (LGW)](https://miles.zone/routes/lgw-iad)
- [Doha (DOH)](https://miles.zone/routes/doh-iad)
- [Frankfurt (FRA)](https://miles.zone/routes/fra-iad)
- [Zurich (ZRH)](https://miles.zone/routes/zrh-iad)
- [Rome (FCO)](https://miles.zone/routes/fco-iad)