Cheap flights from Michigan to London from £166

The cheapest month to fly to London from Michigan is in October. Flight prices, which tend to average around £534, are often lower during this time because this is during the off-season. The month of April is another great option to travel to London, with average flight prices from Michigan averaging around £589.

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £717. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Michigan to London for around £814.

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £759. Flights in the afternoon are often more expensive, with an average ticket price of £886.

Fly from Detroit Metropolitan Wayne County to London Heathrow for the best Michigan - London flight prices

You are more likely to see cheaper flights to London from Michigan when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £730 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Michigan for as low as £531 on momondo.

There are 3 cabin classes available to choose from on Michigan to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

The number of flights available between Michigan and London is 49 per day as of February 2026. The most frequent departure time is 20:00, with 100% of daily flights leaving in the evening.

The number of flights available between Michigan and London is 343 per week as of February 2026. The most frequent departure day is Tue, with 15% of weekly flights leaving on this day.