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$278+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — LHR
juin 17 — juin 241
mar. 6/17
mar. 6/24
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 88 days in advance, depart on a Tuesday or Wednesday and return on a Friday

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 juin 12, 2025.

Round-trip from

$640
(Mytrip)

One-way from

$278
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$1,295

Good round-trip deal

$825 or less

Good one-way deal

$441 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. 19% potential increase in price ($235 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in June 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 juin 12, 2025.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/251:47 pmDTW - LHR
2 stops35h 43mMultiple Airlines
mar. 9/22:05 pmLHR - DTW
2 stops29h 51mMultiple Airlines
Deal found 6/9$640
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/1410:50 amDTW - LHR
1 stop14h 40mJetBlue
mar. 10/218:25 amLHR - DTW
1 stop13h 22mJetBlue
Deal found 6/9$643
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 9/1210:25 amDTW - LHR
2 stops23h 10mScandinavian Airlines
mer. 9/247:05 amLHR - DTW
2 stops20h 15mScandinavian Airlines
Deal found 6/9$644
This The Travel House deal was found by Cheapflights users on 6/11. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 8/17:47 pmDTW - LHR
1 stop29h 43mIcelandair
dim. 8/318:15 amLHR - DTW
1 stop20h 44mIcelandair
Deal found 6/11$693
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/18:05 pmDTW - LHR
1 stop20h 00mTurkish Airlines
mar. 12/910:35 pmLHR - DTW
1 stop24h 35mTurkish Airlines
Deal found 6/11$763
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/222:10 pmDTW - LHR
2 stops14h 25mUnited Airlines
mer. 10/87:30 amLHR - DTW
1 stop11h 40mUnited Airlines
Deal found 6/11$818
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/229:55 amDTW - LHR
2 stops15h 35mAir Canada
mar. 9/305:40 pmLHR - DTW
2 stops24h 32mAir Canada
Deal found 6/11$820
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 9/148:25 pmDTW - LHR
Nonstop7h 30mDelta
mer. 9/2411:45 amLHR - DTW
Nonstop8h 35mDelta
Deal found 6/11$826

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 juin 12, 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

lun. 8/25

1:47 pm-6:30 am

2 stops35h 43m

London Heathrow

mar. 9/2

2:05 pm-2:56 pm

2 stops29h 51m

$640

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

mar. 10/14

10:50 am-6:30 am

1 stop14h 40m

London Heathrow

mar. 10/21

8:25 am-4:47 pm

1 stop13h 22m

$643

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

ven. 9/12

10:25 am-2:35 pm

2 stops23h 10m

London Heathrow

mer. 9/24

7:05 am-10:20 pm

2 stops20h 15m

$644

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

ven. 8/1

7:47 pm-6:30 am

1 stop29h 43m

London Heathrow

dim. 8/31

8:15 am-11:59 pm

1 stop20h 44m

$693

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

jeu. 7/10

9:00 pm-8:50 pm

1 stop18h 50m

London Heathrow

mar. 7/15

10:25 pm-7:05 pm

1 stop25h 40m

$764

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

lun. 9/22

2:10 pm-9:35 am

2 stops14h 25m

London Heathrow

mer. 10/8

7:30 am-2:10 pm

1 stop11h 40m

$818

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

lun. 9/22

9:55 am-6:30 am

2 stops15h 35m

London Heathrow

mar. 9/30

5:40 pm-1:12 pm

2 stops24h 32m

$820

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

dim. 9/14

8:25 pm-8:55 am

Nonstop7h 30m

London Heathrow

mar. 9/23

11:45 am-3:20 pm

Nonstop8h 35m

$826

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

mer. 7/23

9:07 am-3:35 pm

2 stops25h 28m

$278

DetroitLondon

DTW - LHR

DTWLHR

Detroit Metropolitan Wayne County

dim. 7/27

8:30 pm-11:55 am

1 stop10h 25m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 21 results
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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 June 9, 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 88 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 $1,108). 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 juin 12, 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 17% 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 juin 12, 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).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 juin 12, 2025.
Get a feel of what it's like to fly with Delta, KLM and Austrian Airlines from Detroit to London by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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 14 different airlines.

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

    JetBlue, at $651, was found to be the cheapest airline from Detroit to London Heathrow Airport.Alternate airlines to your destination round-trip include Scandinavian Airlines and Icelandair. You may be able to fly from Detroit to London Heathrow Airport for 34% 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?

    $305 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on JetBlue and Delta, with prices starting from $342 and $514, respectively.

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

    Consider Scandinavian Airlines (81%), KLM (80%) or Air France (80%) 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 $366. While the most popular route (Detroit Metropolitan Wayne County - London Heathrow) can be booked for $542 on average our data indicates $3,036 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 $1,108). 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 Detroit?

Book flights to Detroit if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Sutton
Aylesbury
Chelmsford
Brentwood

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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 juin 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$60Average$122FlexibilityNo cancel feeOn-time65%
British AirwaysCheapest$504Average$801FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$543Average$802FlexibilityNo cancel feeOn-time71%
IcelandairCheapest$560Average$750FlexibilityNo cancel feeOn-time76%
JetBlueCheapest$591Average$771FlexibilityNo cancel feeOn-time62%
Scandinavian AirlinesCheapest$603Average$821FlexibilityNo cancel feeOn-time77%
IberiaCheapest$638Average$807FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$653Average$683FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$726Average$1,065FlexibilityNo cancel feeOn-time77%
KLMCheapest$726Average$1,124FlexibilityNo cancel feeOn-time75%

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