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$226+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — LHR
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Detroit All airports to London Heathrow are usually found in April or February, booked 69 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap 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 September 11, 2025.

Round-trip from

$505
(FlightHub)

One-way from

$226
(Mytrip)

Popular in

June

Cheapest in

April

Average price

$909

Good round-trip deal

$732 or less

Good one-way deal

$363 or less
From Detroit (DTT) to London Heathrow
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One-way flight from Detroit (DTT) to London Heathrow
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Highest demand for flights based on searches. 15% potential increase in price ($173 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Detroit (DTT) to London Heathrow.
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Price to beat on a one-way flight from Detroit (DTT) to London Heathrow.
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Find 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 September 11, 2025.

This Justfly.com deal was found by Cheapflights users on 9/9. 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.
Fri 11/72:50 pmDTW - LHR
2 stops37h 30mScandinavian Airlines
Mon 11/106:40 amLHR - DTW
2 stops21h 35mScandinavian Airlines
Deal found 9/9$503
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/74:20 pmDTW - LHR
1 stop14h 45mMultiple Airlines
Tue 11/189:55 amLHR - DTW
2 stops27h 16mMultiple Airlines
Deal found 9/9$524
This CrystalTravel deal was found by Cheapflights users on 9/11. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/74:25 pmDTW - LHR
2 stops18h 35mScandinavian Airlines
Sun 11/910:20 amLHR - DTW
2 stops16h 20mScandinavian Airlines
Deal found 9/11$531
This Gurufare deal was found by Cheapflights users on 9/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:25 amDTW - LHR
2 stops42h 55mScandinavian Airlines
Mon 11/246:40 amLHR - DTW
2 stops21h 35mScandinavian Airlines
Deal found 9/10$534
This lol.travel deal was found by Cheapflights users on 9/9. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2510:09 amDTW - LHR
2 stops19h 26mScandinavian Airlines
Sat 11/16:40 amLHR - DTW
2 stops16h 32mScandinavian Airlines
Deal found 9/9$540
This CrystalTravel deal was found by Cheapflights users on 9/8. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/62:17 pmDTW - LHR
2 stops19h 18mScandinavian Airlines
Sat 11/156:40 amLHR - DTW
2 stops17h 34mScandinavian Airlines
Deal found 9/8$543
This CrystalTravel deal was found by Cheapflights users on 9/9. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/77:02 amDTW - LHR
2 stops21h 33mScandinavian Airlines
Tue 10/147:50 pmLHR - DTW
2 stops31h 30mScandinavian Airlines
Deal found 9/9$544
This oojo deal was found by Cheapflights users on 9/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:35 pmDTW - LHR
1 stop10h 15mIcelandair
Sat 11/1512:15 pmLHR - DTW
1 stop11h 15mIcelandair
Deal found 9/10$545
This oojo deal was found by Cheapflights users on 9/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/188:30 pmDTW - LHR
1 stop10h 25mIcelandair
Wed 10/229:25 pmLHR - DTW
1 stop26h 55mIcelandair
Deal found 9/9$547
This FlightHub deal was found by Cheapflights users on 9/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:35 pmDTW - LHR
1 stop18h 55mIcelandair
Fri 11/218:35 pmLHR - DTW
1 stop26h 55mIcelandair
Deal found 9/8$548

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 September 11, 2025.
Use the filters below to find and compare flights from Detroit to London Heathrow Airport that are best for you.

Fly from

Detroit

Fly to

Heathrow

Route

Depart

Return

Price

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Tue 3/3

2:10 pm-5:00 pm

2 stops21h 50m

London Heathrow

Tue 3/10

6:40 am-7:02 pm

2 stops16h 22m

$579

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Thu 10/30

3:50 pm-5:40 pm

2 stops21h 50m

London Heathrow

Sat 11/8

6:40 am-7:12 pm

2 stops17h 32m

$588

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Tue 9/30

12:15 pm-5:40 pm

2 stops24h 25m

London Heathrow

Tue 10/7

6:40 am-10:20 pm

2 stops20h 40m

$592

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Fri 11/7

12:20 pm-4:00 pm

2 stops22h 40m

London Heathrow

Mon 11/10

9:05 pm-10:04 pm

3 stops29h 59m

$611

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Sun 11/9

2:41 pm-4:00 pm

2 stops20h 19m

London Heathrow

Fri 11/14

7:50 pm-7:14 pm

3 stops28h 24m

$637

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Mon 10/27

6:00 am-8:45 pm

1 stop10h 45m

London Heathrow

Thu 11/6

12:20 pm-10:57 pm

1 stop15h 37m

$691

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Sun 10/26

6:00 am-8:45 pm

1 stop10h 45m

London Heathrow

Tue 11/4

12:20 pm-10:57 pm

1 stop15h 37m

$691

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Wed 10/22

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

Wed 11/5

9:20 am-6:37 pm

1 stop14h 17m

$691

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Wed 10/29

6:00 am-9:40 pm

1 stop11h 40m

London Heathrow

Thu 11/6

7:25 am-2:17 pm

1 stop11h 52m

$691

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

Fri 11/14

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

Sat 11/22

12:20 pm-11:11 pm

1 stop15h 51m

$692

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 24 results
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2
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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

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

Use this chart to determine the optimal time to book a round-trip flight from Detroit to Heathrow. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from Detroit to London Heathrow Airport, you should look to book at least 69 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.

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

Currently, November is the cheapest month in which you can book a flight from Detroit to London Heathrow Airport (average of $661). Flying from Detroit to London Heathrow Airport in June is currently the most expensive (average of $1,098). 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 September 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Detroit to London Heathrow Airport in the morning. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Detroit to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Detroit to Heathrow. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Detroit to London Heathrow Airport flight should consider departing on Monday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 11, 2025.

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).

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.

Reykjavik (KEF) – chosen by Cheapflights users on 43% 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 $682.

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 55m.

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 18m.

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 September 11, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and Air 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
8.0
Very good
7,960 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,385 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.4
Good
1,469 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
JetBlue
7.2
Good
2,913 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Icelandair
7.0
Good
546 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 13 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 21h 50m. Scandinavian Airlines provides one of the quickest options available for as low as $579. The distance from Detroit to London Heathrow Airport is about 3753 mi.

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

    Spirit Airlines, at $60, was found to be the cheapest airline from Detroit to London Heathrow Airport.Alternate airlines to your destination round-trip include JetBlue and British Airways. You may be able to fly from Detroit to London Heathrow Airport for 93% less than the average price by searching for these airlines.

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

    Consider KLM (78%), Air France (78%) or Scandinavian Airlines (78%) 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 $347. While the most popular route (Detroit Metropolitan Wayne County - London Heathrow) can be booked for $505 on average, our data indicates $2,248 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, November is the cheapest month in which you can book a flight from Detroit to London Heathrow Airport (average of $661). Flying from Detroit to London Heathrow Airport in June is currently the most expensive (average of $1,098). 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
Hounslow
Hayes
Thornton Heath
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Wembley
Folkestone

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Alternative routes for Detroit to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$60Average$130FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$66Average$745FlexibilityNo cancel feeOn-time62%
British AirwaysCheapest$504Average$812FlexibilityNo cancel feeOn-time70%
IberiaCheapest$510Average$807FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$513Average$730FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$576Average$811FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$639Average$683FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$662Average$821FlexibilityNo cancel feeOn-time77%
KLMCheapest$713Average$1,160FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$726Average$1,050FlexibilityNo cancel feeOn-time77%

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