# Cardiff (CWL) to Washington (IAD) business class reward flights

Source: https://miles.zone/routes/cwl-iad
Data updated: 2026-10-10T07:42:40.361Z
Cash amounts are in US dollars.

Fewest points: 80,000 miles plus $821 on KLM through Air France-KLM Flying Blue, departing 2026-11-10.

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

| Airline | Program | Points | Cash on top | Routing | Departs | Checked |
| --- | --- | --- | --- | --- | --- | --- |
| KLM | [Air France-KLM Flying Blue](https://miles.zone/programs/flying-blue) (Light fare) | 80,000 miles | $821 | via AMS, CDG | 2026-11-10 | 10 Oct 2026, 07:42 UTC |

## Route facts

Over the next 60 days we hold business class seats from Cardiff 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 |
| --- | --- | --- | --- | --- |
| [Air France-KLM Flying Blue](https://miles.zone/programs/flying-blue) | 60 of 60 | 80,000 miles | 152,500 miles | $791 to $821 |

No nonstop seats in the window.
With a connection on KLM.

## How to book it

1. [Air France-KLM Flying Blue](https://miles.zone/programs/flying-blue) books on airfrance.fr: sign in there, search CWL to IAD in business class on a date with space, and pay in miles with the cash on top (from $791).

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

## More routes from Cardiff

- [Algiers (ALG)](https://miles.zone/routes/cwl-alg)
- [Amsterdam (AMS)](https://miles.zone/routes/cwl-ams)
- [Paris (CDG)](https://miles.zone/routes/cwl-cdg)
- [Casablanca (CMN)](https://miles.zone/routes/cwl-cmn)
- [Tunis (TUN)](https://miles.zone/routes/cwl-tun)
- [Calgary (YYC)](https://miles.zone/routes/cwl-yyc)
- [Manama (BAH)](https://miles.zone/routes/cwl-bah)
- [Hyderabad (HYD)](https://miles.zone/routes/cwl-hyd)
- [Chennai (MAA)](https://miles.zone/routes/cwl-maa)
- [Colombo (CMB)](https://miles.zone/routes/cwl-cmb)
- [Cairo (CAI)](https://miles.zone/routes/cwl-cai)
- [Tel Aviv (TLV)](https://miles.zone/routes/cwl-tlv)

## 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)