Cheap flights from Detroit to London from $238
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to London departing on 7/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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JetBlue flights from Detroit to London Heathrow Airport
Our best JetBlue deals on Detroit to London Heathrow Airport flight tickets
Icelandair flights from Detroit to London Heathrow Airport
Our best Icelandair deals on Detroit to London Heathrow Airport flight tickets
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How to get the cheapest flight ticket from Detroit to London Heathrow Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Detroit and London Heathrow Airport?
What is the cheapest month to fly to London Heathrow Airport?
The month of April is, on average, the cheapest month to fly to London Heathrow Airport from Detroit, with most prices found around $778. If you’re not able to fly to London Heathrow Airport in April, then February is your next best option. Flight prices from Detroit to London Heathrow Airport during February average around $796.
What is the cheapest day to depart on your flight to London Heathrow Airport?
Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $990. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $1,109.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Detroit to London Heathrow Airport in the morning for as low as $918. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $1,093.
What is the cheapest Detroit to London Heathrow flight route?
Fly from Detroit Metropolitan Wayne County to London Heathrow for the best Detroit - London Heathrow flight prices
How far in advance should I book a flight to London Heathrow Airport?
You are more likely to see cheaper flights to London Heathrow Airport from Detroit when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $982 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Detroit for as low as $799 on momondo.
What cabin class options are available on Detroit to London Heathrow flights?
There are 3 cabin classes available to choose from on Detroit to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Detroit to London Heathrow?
Icelandair, JetBlue, and Scandinavian Airlines are the most popular carriers operating from Detroit to London Heathrow
What airlines fly to London Heathrow Airport?
Delta, KLM and British Airways are the top three most popular airlines that fly to London Heathrow Airport from Detroit according to our data. Delta is the first choice among our users, with 51% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 14 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Detroit to London Heathrow Airport on average per day?
The number of flights available between Detroit and London Heathrow Airport is 5 per day as of June 2025. The most frequent departure time is 8:00PM, with 100% of daily flights leaving in the evening.
How many flights depart from Detroit to London Heathrow Airport on average per week?
As of June 2025, 35 flights take off from Detroit and land in London Heathrow Airport each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.
When to book flights from Detroit to London Heathrow Airport
Cheap Detroit to London Heathrow Airport (DTT to LHR) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Detroit to London Heathrow Airport
How far is Detroit to London Heathrow by plane?
London Heathrow is 3736.1 mi away from Detroit. A reasonable flight in good conditions will take 7h 35m.
When did momondo last update prices for flights from Detroit to London Heathrow Airport?
Prices for flights from Detroit to London Heathrow Airport are updated daily.
How many operators does momondo search for flights from Detroit to London Heathrow Airport?
As of June 2025, there are 14 operators available to choose from for flights from Detroit to London Heathrow Airport.
How old do you have to be to fly from Detroit to London Heathrow Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Detroit to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Detroit to London Heathrow Airport?
momondo data reveals that the most frequently booked plane model on the route from Detroit to London Heathrow Airport is Airbus A330-200, representing 96.70% of all bookings. The subsequent popular models are Airbus A330-900neo at 0.78%, Boeing 777-300ER at 0.35%, and Boeing 787-9 Dreamliner at 0.35%.
What is the most popular airline from Detroit to London Heathrow Airport?
momondo data reveals that the most frequently booked airline on the route from Detroit to London Heathrow Airport is Delta, representing 37% of all bookings. The subsequent popular airlines are KLM at 13%, Icelandair at 11%, and Air France at 10%.
Best airlines flying from Detroit to London Heathrow Airport
Compare and see reviews for airlines that fly from Detroit to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $60 | Free Cancellation | Rating 6.3 8,061 reviews | |||
| PriceFrom $504 | Free Cancellation | Rating 6.6 7,019 reviews | |||
| PriceFrom $543 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $560 | Free Cancellation | Rating 7.0 499 reviews | |||
| PriceFrom $591 | Free Cancellation | Rating 7.3 2,922 reviews | |||
| PriceFrom $603 | Free Cancellation | Rating 7.3 1,388 reviews | |||
| PriceFrom $638 | Free Cancellation | Rating 7.0 2,778 reviews | |||
| PriceFrom $653 | Free Cancellation | Rating 7.3 3,852 reviews | |||
| PriceFrom $726 | Free Cancellation | Rating 7.5 1,465 reviews | |||
| PriceFrom $726 | Free Cancellation | Rating 7.8 1,361 reviews |
Delta Flights From Detroit to London Heathrow Airport
Delta operates around 7 flights from Detroit to London Heathrow Airport every week. The average price of these flights found in the last 72 hours has been $1,199, but momondo users have found Delta deals from Detroit to London Heathrow Airport from as low as $775 round-trip. Delta has been scored 8.0/10 in 7,963 reviews.
KLM Flights From Detroit to London Heathrow Airport
KLM is also a popular choice for this route. KLM flight deals for Detroit to London Heathrow Airport start from as low as $726 round-trip, depending on your selected dates, with average KLM deals seen on momondo around $1,124. KLM operates 7 flights to London Heathrow Airport from Detroit in an average week. Users have rated it 7.8/10 across 1,361 reviews.
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Why should I use momondo to find a flight deal from Detroit to London?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Detroit to London for you.
Can I find flights from Detroit to London with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Detroit to London flights to just show those with flexible booking policies.
How can momondo help me find flights from Detroit to London?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Detroit.
I’m not ready to book a flight from Detroit to London right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Detroit to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.