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$335+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — LHR
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
1 adult, Economy
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Find cheap flights from Detroit to Heathrow with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Detroit All airports to London Heathrow are usually found in February or January, 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 June 11, 2026.

This Scandinavian Airlines deal was found by Cheapflights users on 6/8. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:10 pm
DTW
-
LHR
2 stops18h 50m
Multiple Airlines
Sat 10/316:40 am
LHR
-
DTW
2 stops16h 19m
Multiple Airlines
Deal found 6/8$940
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:30 am
DTW
-
LHR
2 stops18h 05m
Scandinavian Airlines
Tue 9/87:50 pm
LHR
-
DTW
2 stops28h 05m
Scandinavian Airlines
Deal found 6/10$941
This Turkish Airlines deal was found by Cheapflights users on 6/8. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:05 pm
DTW
-
LHR
1 stop21h 25m
Turkish Airlines
Fri 11/611:20 am
LHR
-
DTW
1 stop36h 40m
Turkish Airlines
Deal found 6/8$942
This Turkish Airlines deal was found by Cheapflights users on 6/8. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:50 pm
DTW
-
LHR
1 stop37h 20m
Turkish Airlines
Tue 9/226:30 pm
LHR
-
DTW
1 stop29h 15m
Turkish Airlines
Deal found 6/8$943
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:20 pm
DTW
-
LHR
1 stop13h 35m
JetBlue
Sun 11/159:20 am
LHR
-
DTW
1 stop18h 00m
JetBlue
Deal found 6/10$944
This Justfly.com deal was found by Cheapflights users on 6/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:50 pm
DTW
-
LHR
2 stops19h 10m
Scandinavian Airlines
Tue 10/69:05 pm
LHR
-
DTW
2 stops30h 15m
Scandinavian Airlines
Deal found 6/10$946
This KAYAK deal was found by Cheapflights users on 6/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/87:59 pm
DTW
-
LHR
1 stop29h 31m
JetBlue
Mon 8/248:15 am
LHR
-
DTW
1 stop20h 43m
JetBlue
Deal found 6/10$947
This KAYAK deal was found by Cheapflights users on 6/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/87:59 pm
DTW
-
LHR
1 stop29h 31m
JetBlue
Mon 8/318:40 am
LHR
-
DTW
1 stop18h 57m
JetBlue
Deal found 6/8$948
This Justfly.com deal was found by Cheapflights users on 6/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:59 pm
DTW
-
LHR
1 stop29h 31m
JetBlue
Fri 8/218:40 am
LHR
-
DTW
1 stop18h 57m
JetBlue
Deal found 6/9$949
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:00 am
DTW
-
LHR
1 stop9h 45m
JetBlue
Tue 8/258:40 am
LHR
-
DTW
1 stop14h 08m
JetBlue
Deal found 6/10$950
This CheapOair deal was found by Cheapflights users on 6/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:55 pm
DTW
-
LHR
1 stop10h 40m
Multiple Airlines
Wed 9/211:55 am
LHR
-
DTW
1 stop17h 03m
Multiple Airlines
Deal found 6/8$951

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 June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$940
(Scandinavian Airlines)

One-way from

$335
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$1,514

Good round-trip deal

$1,013 or less

Good one-way deal

$588 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. 17% potential increase in price ($230 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 11, 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

Sun 8/23

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

Wed 8/26

8:40 am-5:48 pm

1 stop14h 08m

$979

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Mon 11/2

4:10 pm-4:00 pm

2 stops18h 50m

London Heathrow

Wed 11/11

6:40 am-10:20 pm

3 stops20h 40m

$1,007

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Thu 10/15

12:15 pm-4:00 pm

2 stops22h 45m

London Heathrow

Mon 10/19

9:05 pm-6:59 pm

3 stops26h 54m

$1,086

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Tue 7/14

6:45 pm-7:10 am

Nonstop7h 25m

London Heathrow

Wed 7/29

6:15 am-1:21 pm

1 stop12h 06m

$1,096
Quickest round-trip

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Wed 7/15

6:45 pm-7:10 am

Nonstop7h 25m

London Heathrow

Wed 7/22

10:45 am-2:15 pm

Nonstop8h 30m

$1,118

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Thu 8/20

7:30 am-8:20 pm

2 stops31h 50m

London Heathrow

Mon 8/24

9:25 pm-11:58 pm

2 stops31h 33m

$1,135

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Tue 9/15

3:50 pm-4:00 pm

2 stops19h 10m

London Heathrow

Tue 9/29

9:05 pm-6:52 pm

3 stops26h 47m

$1,136

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Fri 8/7

6:45 pm-7:10 am

Nonstop7h 25m

London Heathrow

Fri 8/21

6:30 am-1:30 pm

1 stop12h 00m

$1,140

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Thu 10/15

6:40 pm-7:10 am

Nonstop7h 30m

London Heathrow

Wed 11/4

10:00 am-5:48 pm

1 stop12h 48m

$1,140

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Sun 8/23

3:50 pm-4:00 pm

2 stops19h 10m

London Heathrow

Wed 8/26

6:40 am-11:09 pm

2 stops21h 29m

$1,143

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

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 June.
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, September is the cheapest month in which you can book a flight from Detroit to London Heathrow Airport (average of $51). Flying from Detroit to London Heathrow Airport in April is currently the most expensive (average of $593). 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 June 11, 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 June 11, 2026.

The most flights from DTT to LHR are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

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

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.

New York (JFK) – chosen by Cheapflights users on 57% 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.

New York (JFK) is the most affordable 1-stop option, with an average round-trip price of $758.

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 53m.

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 Istanbul (IST) offer the fastest connection on this route, with an average layover time of 3h 48m.

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 66 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 June 11, 2026.
Peruse reviews from past customers who have flown with Delta,KLM, andAir France 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.
Delta
7.9
Good
8,407 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Food

7.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,407 reviews
Delta
7.9
Good
8,407 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Food

7.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
KLM
7.8
Good
1,527 reviews
Delta
7.9
Good
8,407 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Food

7.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Air France
7.5
Good
1,603 reviews
Delta
7.9
Good
8,407 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Food

7.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Virgin Atlantic
7.5
Good
689 reviews
Delta
7.9
Good
8,407 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Food

7.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
JetBlue
7.1
Good
2,982 reviews
Delta
7.9
Good
8,407 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Food

7.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 5 flights from All airports to London Heathrow per day from 10 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 25m. JetBlue provides one of the quickest options available for as low as $1,096. 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 $51, was found to be the cheapest airline from Detroit to London Heathrow Airport.Alternate airlines to your destination round-trip include Icelandair and Scandinavian Airlines. You may be able to fly from Detroit to London Heathrow Airport for 95% 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?

    $350 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Air France and Delta, with prices starting from $523 and $563, respectively.

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

    Consider KLM (90%), Air France (90%) or Scandinavian Airlines (90%) 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 $444. While the most popular route (Detroit Metropolitan Wayne County - London Heathrow) can be booked for $808 on average, our data indicates $2,570 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, September is the cheapest month in which you can book a flight from Detroit to London Heathrow Airport (average of $51). Flying from Detroit to London Heathrow Airport in April is currently the most expensive (average of $593). 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
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Detroit to Heathrow

Discover the top 10 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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$51Average$840FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$395Average$692FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$555Average$700FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$581Average$810FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$682Average$1,133FlexibilityNo cancel feeOn-time70%
DeltaCheapest$825Average$1,256FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$826Average$1,165FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$914Average$1,283FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$934Average$1,227FlexibilityNo cancel feeOn-time69%
KLMCheapest$964Average$1,243FlexibilityNo cancel feeOn-time75%

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