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$326+ Cheap flights from Detroit (DTT) to Heathrow (LHR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — LHR
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
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Find cheap flights from Detroit to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Detroit All airports to London Heathrow are usually found in January or February, booked 70 days in advance, depart on a Sunday or Monday and return on a Tuesday

Cheap flight deals from Detroit to Heathrow

Cheapest flights from Detroit to Heathrow
Explore the most affordable flight options available from Detroit to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.

This Flighttix deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:30 am
DTW
-
LHR
1 stop18h 00m
JetBlue
Tue 9/18:15 am
LHR
-
DTW
1 stop20h 44m
JetBlue
Deal found 7/22$827
This Mytrip deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:50 pm
DTW
-
LHR
1 stop9h 45m
Multiple Airlines
Wed 8/269:10 pm
LHR
-
DTW
2 stops25h 10m
Multiple Airlines
Deal found 7/22$847
This Expedia deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:00 am
DTW
-
LHR
1 stop9h 45m
JetBlue
Tue 11/177:25 am
LHR
-
DTW
1 stop13h 25m
JetBlue
Deal found 7/18$852
This Orbitz deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:30 am
DTW
-
LHR
1 stop18h 00m
JetBlue
Wed 9/28:40 am
LHR
-
DTW
1 stop14h 09m
JetBlue
Deal found 7/20$856
This Expedia deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:30 pm
DTW
-
LHR
1 stop11h 00m
JetBlue
Wed 9/308:15 am
LHR
-
DTW
1 stop13h 17m
JetBlue
Deal found 7/18$858
This Expedia deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:00 am
DTW
-
LHR
1 stop9h 45m
JetBlue
Wed 9/1611:55 am
LHR
-
DTW
1 stop17h 01m
JetBlue
Deal found 7/22$863
This Orbitz deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:30 am
DTW
-
LHR
1 stop18h 00m
JetBlue
Tue 8/258:40 am
LHR
-
DTW
1 stop19h 05m
JetBlue
Deal found 7/20$864
This Orbitz deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:55 pm
DTW
-
LHR
1 stop31h 35m
JetBlue
Tue 9/88:40 am
LHR
-
DTW
1 stop19h 17m
JetBlue
Deal found 7/22$865
This Expedia deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:05 am
DTW
-
LHR
1 stop9h 40m
JetBlue
Tue 11/109:20 am
LHR
-
DTW
1 stop18h 00m
JetBlue
Deal found 7/20$866

Find flight deals from Detroit to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$827
(Flighttix)

One-way from

$326
(Cheapflightsfares)

Popular in

June

Cheapest in

January

Average price

$1,079

Good round-trip deal

$807 or less

Good one-way deal

$461 or less
Provider with most accurate pricing for Detroit (DTT)-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-London Heathrow flights.
Search Deals
From Detroit (DTT) to London Heathrow
Search Deals
One-way flight from Detroit (DTT) to London Heathrow
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($215 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Detroit (DTT) to London Heathrow.
Search Deals
Price to beat on a one-way flight from Detroit (DTT) to London Heathrow.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 23, 2026.
Use the filters below to find and compare flights from Detroit to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Mon 10/5

12:10 pm-6:30 am

1 stop13h 20m

London Heathrow

Fri 10/9

11:55 am-11:55 pm

1 stop17h 00m

$946

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Fri 10/9

8:50 pm-9:10 pm

1 stop19h 20m

London Heathrow

Thu 10/15

4:45 pm-6:45 pm

1 stop31h 00m

$949

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Wed 9/23

6:40 pm-7:10 am

Nonstop7h 30m

London Heathrow

Thu 10/22

6:30 am-1:25 pm

1 stop11h 55m

$967

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Sun 9/20

6:40 pm-7:10 am

Nonstop7h 30m

London Heathrow

Wed 9/30

6:30 am-1:25 pm

1 stop11h 55m

$971

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Wed 8/19

12:35 pm-7:15 am

2 stops13h 40m

London Heathrow

Wed 8/26

6:50 am-5:00 pm

2 stops15h 10m

$989

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Tue 10/6

6:46 pm-11:20 am

1 stop11h 34m

London Heathrow

Wed 10/28

1:00 pm-5:45 pm

Nonstop8h 45m

$996

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Wed 10/14

6:40 pm-7:10 am

Nonstop7h 30m

London Heathrow

Mon 10/19

9:55 am-5:19 pm

1 stop12h 24m

$1,021
Quickest round-trip

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Thu 9/17

6:40 pm-7:10 am

Nonstop7h 30m

London Heathrow

Tue 9/22

10:45 am-2:23 pm

Nonstop8h 38m

$1,050

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Fri 10/9

6:40 pm-7:10 am

Nonstop7h 30m

London Heathrow

Thu 10/15

10:45 am-2:23 pm

Nonstop8h 38m

$1,050

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Fri 9/11

3:29 pm-6:45 am

1 stop10h 16m

London Heathrow

Fri 9/25

10:45 am-2:23 pm

Nonstop8h 38m

$1,053

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/18

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Detroit to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Detroit to Heathrow in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Detroit-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Detroit-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Detroit to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Detroit with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Detroit to London Heathrow Airport

What is the cheapest month to book a flight from Detroit to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Detroit to London Heathrow Airport (average of $890). Flying from Detroit to London Heathrow Airport in June is currently the most expensive (average of $1,449). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DTT to LHR?

Find hourly flight availability from Detroit to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 23, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Detroit to London Heathrow Airport as you normally would.

Weekly flight availability from Detroit to London Heathrow Airport

Explore weekly flight availability from Detroit to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 23, 2026.

The most flights from DTT to LHR are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost to fly round-trip from Detroit to London Heathrow Airport?

Airfare is below average for this route at the moment.
Detroit to London Heathrow Airport flights typically cost between $1,014 and $1,308 in August.
The cheapest round-trip price found within the last 5 days was $827 on JetBlue (Aug 23-Sep 1).

What’s the top layover airport for flights from Detroit to London Heathrow Airport?

Share of 1-stop round-trip flights from Detroit to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Toronto (YYZ) – chosen by Cheapflights users on 25% of 1-stop itineraries from Detroit to London Heathrow Airport on Cheapflights.

What’s the cheapest layover airport for flights from Detroit to London Heathrow Airport?

Average round-trip fare for 1-stop flights from Detroit to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Istanbul (IST) is the most affordable 1-stop option, with an average round-trip price of $796.

What’s the fastest layover option from Detroit to London Heathrow Airport?

Shortest average travel time for 1-stop one-way flights from Detroit to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via New York (JFK) have the shortest average one-way travel time for 1-stop routes: 9h 45m.

Which airport typically offers the quickest layover for flights from Detroit to London Heathrow Airport?

Average layover duration for 1-stop one-way flights from Detroit to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via New York (JFK) offer the fastest connection on this route, with an average layover time of 3h 41m.

How far ahead should I book a flight from Detroit to London Heathrow Airport?

To ensure you get the cheapest price possible for a flight from Detroit to London Heathrow Airport, you should look to book at least 68 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated July 23, 2026.
Peruse reviews from past customers who have flown with KLM,Delta, andVirgin Atlantic from Detroit to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,544 reviews

Entertainment

7.2

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,544 reviews
KLM
7.8
Good
1,544 reviews

Entertainment

7.2

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Delta
7.8
Good
8,480 reviews
KLM
7.8
Good
1,544 reviews

Entertainment

7.2

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Virgin Atlantic
7.5
Good
694 reviews
KLM
7.8
Good
1,544 reviews

Entertainment

7.2

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Air France
7.4
Good
1,628 reviews
KLM
7.8
Good
1,544 reviews

Entertainment

7.2

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
JetBlue
7.1
Good
3,020 reviews
KLM
7.8
Good
1,544 reviews

Entertainment

7.2

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from Detroit to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Detroit to London Heathrow?

    If you book a flight to London Heathrow from Detroit, you will be flying from All airports, which is the city’s only airport. Detroit All airports (DTT) is located 0.6 mi from the center of Detroit. There are 6 flights from All airports to London Heathrow per day from 9 different airlines.

  • How long is the flight from Detroit to London Heathrow Airport?

    A quick flight from Detroit to London Heathrow Airport can take about 7h 30m. JetBlue provides one of the quickest options available for as low as $967. The distance from Detroit to London Heathrow Airport is about 3753 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Detroit to London Heathrow Airport round-trip?

    JetBlue, at $66, was found to be the cheapest airline from Detroit to London Heathrow Airport.Alternate airlines to your destination round-trip include Scandinavian Airlines and Turkish Airlines. You may be able to fly from Detroit to London Heathrow Airport for 94% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Detroit to London Heathrow Airport one-way?

    $335 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Virgin Atlantic and KLM, with prices starting from $340 and $444, respectively.

  • What are the most reliable airlines from Detroit to London Heathrow Airport?

    Consider KLM (83%), Air France (83%) or Scandinavian Airlines (83%) when booking your flight. These represent the most reliable airlines when flying from Detroit to London Heathrow Airport.

  • What are the cheapest flights from Detroit to London Heathrow Airport?

    Looking at all options, your cheapest flight can be booked for $240. While the most popular route (Detroit Metropolitan Wayne County - London Heathrow) can be booked for $799 on average, our data indicates $2,810 when flying from Detroit to London Heathrow Airport.

  • Can I find deals for flights from Detroit to Heathrow that include hotel bookings?

    Yes. In addition to deals on Detroit to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Detroit to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Heathrow.

  • Can I find deals for business class flights from Detroit to Heathrow?

    Yes. Cheapflights offers flight deals from Detroit to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Detroit to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Detroit to London Heathrow Airport (average of $890). Flying from Detroit to London Heathrow Airport in June is currently the most expensive (average of $1,449). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Northampton
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from Detroit to Heathrow

Discover the top 9 airlines that operate flights from Detroit to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$66Average$883FlexibilityNo cancel feeOn-time62%
Scandinavian AirlinesCheapest$555Average$700FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$581Average$810FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$792Average$1,289FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$797Average$1,213FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$827Average$1,195FlexibilityNo cancel feeOn-time77%
DeltaCheapest$890Average$1,280FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$934Average$1,227FlexibilityNo cancel feeOn-time69%
KLMCheapest$964Average$1,243FlexibilityNo cancel feeOn-time75%

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