Detroit Metropolitan (DTW) to Heathrow (LHR).
| Departure | Return | Price |
|---|---|---|
| 05/25/2026 | 06/02/2026 | $917 |
| 05/27/2026 | 06/02/2026 | $917 |
| 05/27/2026 | 06/04/2026 | $917 |
| 05/27/2026 | 06/05/2026 | $917 |
| 06/01/2026 | 06/09/2026 | $917 |
| 06/03/2026 | 06/09/2026 | $917 |
| 05/24/2026 | 05/29/2026 | $972 |
| 05/24/2026 | 06/02/2026 | $972 |
| 05/26/2026 | 06/02/2026 | $972 |
| 05/26/2026 | 06/04/2026 | $972 |
Based on current fares, May is the cheapest month to fly from Detroit to London, with average fares around $1050 round trip (as low as $917).
See the full month-by-month and day-of-week price analysis
Best Time to Fly DTW → LHRDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Detroit to London is May, with average round-trip fares around $1050. Fares in May start as low as $917. The most expensive month is June, averaging $1152.
A nonstop flight from Detroit to London takes approximately 7h 30m.
The cheapest flight from Detroit to London currently starts at $917 round trip in economy class.
The average round-trip flight price from Detroit to London is $1191 in economy class.
The distance is 3724 miles (5992 km). with a nonstop flight time of about 7h 30m. The lowest fare currently available is $917 departing in May. The average round-trip fare is $1191.
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