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Cheap flights from Detroit to London from C$ 455

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — LON
5 Sep — 12 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Detroit All airports to London are usually found in October or February, booked 34 days in advance, depart on a Monday or Saturday and return on a Monday

Cheap flight deals from Detroit to London

Enter your travel dates to find the best prices.

Cheapest flights from Detroit to London
Explore the most affordable flight options available from Detroit to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 August 2026.

Wed 16/96:00 a.m. -
1 stop9h 45m
Wed 23/98:15 a.m. -
1 stop13h 25m
Deal found 3/8C$ 1,164
Fri 25/911:41 a.m. -
1 stop13h 49m
Sat 10/108:15 a.m. -
1 stop13h 17m
Deal found 3/8C$ 1,242
Thu 20/86:05 a.m. -
1 stop9h 40m
Fri 28/88:40 a.m. -
1 stop14h 09m
Deal found 4/8C$ 1,244
Wed 18/116:00 a.m. -
1 stop9h 45m
Sun 22/1112:20 p.m. -
1 stop16h 36m
Deal found 2/8C$ 1,250
Mon 24/86:05 a.m. -
1 stop9h 40m
Sat 29/88:15 a.m. -
1 stop20h 44m
Deal found 4/8C$ 1,254
Wed 30/96:00 a.m. -
1 stop9h 45m
Thu 8/108:40 a.m. -
1 stop19h 10m
Deal found 2/8C$ 1,257
Sat 17/108:00 a.m. -
1 stop17h 30m
Tue 27/1012:20 p.m. -
1 stop15h 36m
Deal found 4/8C$ 1,258
Wed 25/118:05 p.m. -
1 stop37h 50m
Tue 1/126:25 a.m. -
1 stop16h 35m
Deal found 1/8C$ 1,274
Thu 19/118:05 p.m. -
1 stop37h 50m
Tue 24/116:25 a.m. -
1 stop16h 35m
Deal found 4/8C$ 1,277
Thu 3/95:55 p.m. -
1 stop31h 35m
Thu 10/98:40 a.m. -
1 stop15h 16m
Deal found 4/8C$ 1,279
Fri 21/86:05 a.m. -
1 stop9h 40m
Mon 31/88:40 a.m. -
1 stop14h 09m
Deal found 4/8C$ 1,286

Find flight deals from Detroit to London

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to London (LON). 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 6 August 2026.

Round-trip from

C$ 1,164

One-way from

C$ 455

Popular in

December

Cheapest in

October

Average price

C$ 1,310

Good round-trip deal

C$ 1,284 or less

Good one-way deal

C$ 621 or less
JetBlue
  • JetBlue
  • 16/9-23/9
  • 2 total stops
  • 23h 10m total
  • Detroit to London
Search Deals
JetBlue
  • JetBlue
  • 18/9
  • 1 total stop
  • 13h 30m total
  • Detroit to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Detroit (DTT) to London (LON).
Search Deals
Price to beat on a one-way flight from Detroit (DTT) to London (LON).
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to London 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 629,999 searches. Data last updated 6 August 2026.
Use the filters below to find and compare flights from Detroit to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitLondon

DTW Detroit Metropolitan Wayne County - LHR London Heathrow

DTWLHR

Detroit Metropolitan Wayne County

Tue 24/11

8:05 p.m.-2:55 p.m.

1 stop37h 50m

London Heathrow

Sun 29/11

10:40 p.m.-6:00 p.m.

1 stop24h 20m

C$ 1,359
Quickest round-trip

DetroitLondon

DTW Detroit Metropolitan Wayne County - LHR London Heathrow

DTWLHR

Detroit Metropolitan Wayne County

Wed 16/9

6:40 p.m.-7:10 a.m.

Nonstop7h 30m

London Heathrow

Wed 23/9

10:45 a.m.-2:23 p.m.

Nonstop8h 38m

C$ 1,404

DetroitLondon

DTW Detroit Metropolitan Wayne County - LHR London Heathrow

DTWLHR

Detroit Metropolitan Wayne County

Thu 3/9

7:02 p.m.-8:40 p.m.

1 stop20h 38m

London Heathrow

Thu 10/9

6:50 a.m.-8:37 p.m.

2 stops18h 47m

C$ 1,452

DetroitLondon

DTW Detroit Metropolitan Wayne County - LHR London Heathrow

DTWLHR

Detroit Metropolitan Wayne County

Sun 4/10

6:40 p.m.-7:10 a.m.

Nonstop7h 30m

London Heathrow

Sun 11/10

10:45 a.m.-2:23 p.m.

Nonstop8h 38m

C$ 1,472

DetroitLondon

DTW Detroit Metropolitan Wayne County - LHR London Heathrow

DTWLHR

Detroit Metropolitan Wayne County

Sat 19/9

6:40 p.m.-7:10 a.m.

Nonstop7h 30m

London Heathrow

Sat 26/9

11:30 a.m.-6:50 p.m.

1 stop12h 20m

C$ 1,513

DetroitLondon

DTW Detroit Metropolitan Wayne County - LHR London Heathrow

DTWLHR

Detroit Metropolitan Wayne County

Fri 25/9

6:40 p.m.-7:10 a.m.

Nonstop7h 30m

London Heathrow

Sat 10/10

10:45 a.m.-2:23 p.m.

Nonstop8h 38m

C$ 1,542

DetroitLondon

DTW Detroit Metropolitan Wayne County - LHR London Heathrow

DTWLHR

Detroit Metropolitan Wayne County

Sat 26/9

6:40 p.m.-7:10 a.m.

Nonstop7h 30m

London Heathrow

Sat 3/10

10:45 a.m.-2:23 p.m.

Nonstop8h 38m

C$ 1,542

DetroitLondon

DTW Detroit Metropolitan Wayne County - LHR London Heathrow

DTWLHR

Detroit Metropolitan Wayne County

Thu 8/10

6:40 p.m.-7:10 a.m.

Nonstop7h 30m

London Heathrow

Sun 18/10

9:40 a.m.-7:46 p.m.

1 stop15h 06m

C$ 1,558

DetroitLondon

DTW Detroit Metropolitan Wayne County - LHR London Heathrow

DTWLHR

Detroit Metropolitan Wayne County

Thu 26/11

7:15 p.m.-7:45 a.m.

Nonstop7h 30m

London Heathrow

Fri 18/12

6:30 a.m.-1:05 p.m.

1 stop11h 35m

C$ 1,649

DetroitLondon

DTW Detroit Metropolitan Wayne County - LHR London Heathrow

DTWLHR

Detroit Metropolitan Wayne County

Wed 16/9

7:05 a.m.-9:35 a.m.

2 stops21h 30m

London Heathrow

Wed 23/9

7:05 a.m.-9:23 p.m.

3 stops19h 18m

C$ 1,889

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Detroit to London

Have a flexible travel schedule? Discover the best time to fly to London 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

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

Currently, January is the cheapest month in which you can book a flight from Detroit to London (average of C$ 1,315). Flying from Detroit to London in December is currently the most expensive (average of C$ 1,848). 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 LON?

Find hourly flight availability from Detroit to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 August 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 as you normally would.

Weekly flight availability from Detroit to London

Explore weekly flight availability from Detroit to London. 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 6 August 2026.

The most flights from DTT to LON 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?

Airfare is typical for this route at the moment.
Detroit to London flights typically cost between C$ 986 and C$ 1,640 in September.
The cheapest round-trip price found within the last 5 days was C$ 1,164 on JetBlue (16 Sep-23 Sep).

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

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

Istanbul (IST) – chosen by Cheapflights users on 60% of one-stop itineraries from Detroit to London on Cheapflights.

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

Average round-trip fare for 1-stop flights from Detroit to London, 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 C$ 998.

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

Shortest average travel time for 1-stop one-way flights from Detroit to London, 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?

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

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 55m.

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

The best time to book flights from Detroit to London is 54 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Related info for your journey

Find useful and relevant information for your journey from Detroit to London. 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?

    Detroit All airports (DTT), located 0.9 km from the city centre, is the airport you fly out of when you book flights from Detroit to London. 0 airlines have flights from All airports to London on a regular basis. Booking flights from Detroit All airports to London should not be difficult; the airport handles an average of 6 outbound flights to London per day.

  • How long is the flight from Detroit to London?

    Departing from Detroit to London will take you 7h 30m. Detroit and London are separated by a distance of 6040 km. Both multi-stop and direct flights can be found to your destination and back.

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

    No one likes to see their flight delayed. When booking a flight from Detroit to London consider choosing SAUDIA (81%), KLM (80%) or Air France (80%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Detroit to London?

    Looking for the cheapest flight from Detroit to London? While on average our users pay C$ 1,098, our data indicates the cheapest price to be C$ 540. The most popular route (Detroit Metropolitan Wayne County - London Heathrow), is priced around C$ 1,240.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Detroit to London 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?

    Currently, January is the cheapest month in which you can book a flight from Detroit to London (average of C$ 1,315). Flying from Detroit to London in December is currently the most expensive (average of C$ 1,848). 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

Travelling to a place near London?

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Alternative routes for Detroit to London

See prices for flight routes from nearby airports that may be better suited for you.
Detroit to Heathrow flights
O'Hare Intl to Heathrow flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Detroit to London?

When you search for this flight from Detroit to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Detroit to London?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Detroit to London.

Can Cheapflights find flights from Detroit to London with no change fees?

Certainly. Search results for flights to London from Detroit shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Detroit to London become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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