Cheap flights from London Heathrow Airport to Detroit from $399

The cheapest month to fly to Detroit from London Heathrow Airport is in January. Flight prices, which tend to average around $734, are often lower during this time because this is during the off-season. If you’re not able to fly to Detroit in January, then November is your next best option. Flight prices from London Heathrow Airport to Detroit during November average around $807.

On average, the least expensive day to fly to Detroit from London Heathrow Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $934. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Detroit for around $1,441.

At noon is the cheapest time of day to fly from London Heathrow Airport to Detroit when you can find flight prices for as low as $1,134. Flying to Detroit at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,218 on average. Flights to Detroit from London Heathrow Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Detroit from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Detroit for around $1,021 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Detroit from London Heathrow Airport for as low as $854 on momondo.

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

You could potentially save up to 31% on your flight if you consider stops on a London Heathrow Airport to Detroit flight.

JetBlue and Icelandair are the most popular carriers operating from London Heathrow to Detroit

Delta, JetBlue and American Airlines are the top three most popular airlines that fly to Detroit from London Heathrow Airport according to our data. Delta is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Detroit. Keep in mind that there are 5 different airlines that fly to Detroit on a routine basis, so you have a few additional options to choose from.

Historically, on average around 8% of flights between London and Detroit have experienced a delay on any given week. The average delay length over the past 12 months has been 228 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

Chicago (ORD) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

Flights via Philadelphia (PHL) offer the lowest average round-trip price of $814.

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 12h 00m.

Chicago (ORD) has the shortest average layover time for this route: 1h 35m.

The number of flights available between London Heathrow Airport and Detroit is 5 per day as of April 2026. The most frequent departure time is 10:00AM, with 100% of daily flights leaving at noon.

The number of flights available between London Heathrow Airport and Detroit is 35 per week as of April 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.