# Detroit (DTW) to Cardiff (CWL) business class award flights

Source: https://miles.zone/routes/dtw-cwl
Data updated: 2026-10-10T19:17:04.190Z
Cash amounts are in US dollars.

Fewest points: 312,000 miles plus $384 on Air France through Air France-KLM Flying Blue, departing 2026-10-31.

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

| Airline | Program | Points | Cash on top | Routing | Departs | Checked |
| --- | --- | --- | --- | --- | --- | --- |
| Air France | [Air France-KLM Flying Blue](https://miles.zone/programs/flying-blue) (Light fare) | 312,000 miles | $384 | via CDG, AMS | 2026-10-31 | 10 Oct 2026, 19:17 UTC |

## Route facts

Over the next 60 days we hold business class seats from Detroit to Cardiff on 8 of the 8 departure days we have checked so far (52 days are not checked yet), 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) | 8 of 8 checked | 312,000 miles | 700,000 miles | $384 |

No nonstop seats in the window.
With a connection on Air France.

## How to book it

1. [Air France-KLM Flying Blue](https://miles.zone/programs/flying-blue) books on airfrance.fr: sign in there, search DTW to CWL in business class on a date with space, and pay in miles with the cash on top (from $384).

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

## More routes from Detroit

- [Charlotte (CLT)](https://miles.zone/routes/dtw-clt)
- [Chicago (ORD)](https://miles.zone/routes/dtw-ord)
- [Philadelphia (PHL)](https://miles.zone/routes/dtw-phl)
- [Dallas (DFW)](https://miles.zone/routes/dtw-dfw)
- [Miami (MIA)](https://miles.zone/routes/dtw-mia)
- [Seattle (SEA)](https://miles.zone/routes/dtw-sea)
- [Bellingham (BLI)](https://miles.zone/routes/dtw-bli)
- [Fairbanks (FAI)](https://miles.zone/routes/dtw-fai)
- [Portland (PDX)](https://miles.zone/routes/dtw-pdx)
- [New York (LGA)](https://miles.zone/routes/dtw-lga)
- [Kansas City (MCI)](https://miles.zone/routes/dtw-mci)
- [Anchorage (ANC)](https://miles.zone/routes/dtw-anc)

## More routes to Cardiff

- [Amsterdam (AMS)](https://miles.zone/routes/ams-cwl)
- [Paris (CDG)](https://miles.zone/routes/cdg-cwl)
- [Tunis (TUN)](https://miles.zone/routes/tun-cwl)
- [Tel Aviv (TLV)](https://miles.zone/routes/tlv-cwl)
- [Oran (ORN)](https://miles.zone/routes/orn-cwl)
- [Chennai (MAA)](https://miles.zone/routes/maa-cwl)
- [Male (MLE)](https://miles.zone/routes/mle-cwl)
- [Colombo (CMB)](https://miles.zone/routes/cmb-cwl)
- [Kolkata (CCU)](https://miles.zone/routes/ccu-cwl)
- [Amman (AMM)](https://miles.zone/routes/amm-cwl)
- [Beirut (BEY)](https://miles.zone/routes/bey-cwl)
- [Dammam (DMM)](https://miles.zone/routes/dmm-cwl)