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Cheap flights from Madison to London from £299

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
MSN — LON
18 Mar — 25 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Madison to London

Enter your travel dates to find the best prices.

Cheapest flights from Madison to London
Explore the most affordable flight options available from Madison to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 February 2026.

Wed 14/1017:30
MSN
-
LHR
2 stops16h 10m
Lufthansa
Wed 21/1010:50
LHR
-
MSN
2 stops19h 07m
Lufthansa
Deal found 13/2£465
Wed 15/410:19
MSN
-
LHR
1 stop18h 11m
Iberia
Wed 22/406:15
LHR
-
MSN
2 stops16h 51m
Iberia
Deal found 12/2£478
Wed 1/407:00
MSN
-
LHR
1 stop18h 10m
Delta
Wed 8/411:30
LHR
-
MSN
2 stops17h 04m
Delta
Deal found 15/2£480
Wed 1/410:05
MSN
-
LHR
2 stops16h 30m
United Airlines
Wed 8/406:55
LHR
-
MSN
2 stops16h 20m
United Airlines
Deal found 15/2£482
Sun 26/410:19
MSN
-
LGW
2 stops18h 31m
Iberia
Tue 5/520:40
LGW
-
MSN
2 stops31h 35m
Iberia
Deal found 12/2£484
Tue 31/310:48
MSN
-
LHR
2 stops13h 42m
United Airlines
Tue 7/407:25
LHR
-
MSN
2 stops17h 28m
United Airlines
Deal found 14/2£484
Sat 28/315:53
MSN
-
LHR
1 stop32h 52m
United Airlines
Tue 7/406:50
LHR
-
MSN
2 stops18h 03m
United Airlines
Deal found 12/2£485
Wed 1/417:50
MSN
-
LHR
1 stop11h 55m
United Airlines
Fri 10/409:30
LHR
-
MSN
2 stops41h 46m
United Airlines
Deal found 13/2£488
Wed 1/413:24
MSN
-
LHR
1 stop11h 46m
KLM
Wed 8/415:15
LHR
-
MSN
1 stop13h 19m
KLM
Deal found 15/2£491
Sat 28/315:53
MSN
-
LHR
1 stop32h 52m
United Airlines
Wed 8/409:30
LHR
-
MSN
2 stops44h 19m
United Airlines
Deal found 13/2£492
Wed 1/409:31
MSN
-
LHR
1 stop15h 39m
KLM
Fri 10/412:25
LHR
-
MSN
1 stop16h 33m
KLM
Deal found 16/2£496
Wed 14/1017:30
MSN
-
LCY
2 stops18h 25m
Lufthansa
Wed 21/1009:15
LCY
-
MSN
2 stops20h 42m
Lufthansa
Deal found 13/2£497

Find flight deals from Madison to London

Discover tips and strategies to find the most affordable flight options for your journey from Madison (MSN) 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 16 February 2026.

Round-trip from

£478

One-way from

£299

Popular in

December

Cheapest in

November

Average price

£587
Iberia
  • Iberia
  • 15/4-22/4
  • 3 total stops
  • 35h 02m total
  • Madison to London
Search Deals
United Airlines
  • United Airlines
  • 15/3
  • 1 total stop
  • 12h 42m total
  • Madison to London
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£5 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Madison 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 858,174 searches. Data last updated 16 February 2026.
Use the filters below to find and compare flights from Madison to London that are best for you.

Fly from

Madison

Fly to

London

Route

Depart

Return

Price

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 1/4

07:00-07:10

1 stop18h 10m

London Heathrow

Wed 8/4

11:30-22:34

2 stops17h 04m

£480

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Tue 14/4

12:13-06:45

1 stop12h 32m

London Heathrow

Thu 30/4

06:50-15:00

2 stops14h 10m

£482

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 1/4

10:05-06:45

1 stop14h 40m

London Heathrow

Wed 8/4

06:55-18:53

2 stops17h 58m

£482

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 15/4

12:13-07:15

2 stops13h 02m

London Heathrow

Wed 22/4

10:50-21:16

2 stops16h 26m

£485

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Sat 28/3

15:53-05:45

1 stop32h 52m

London Heathrow

Tue 7/4

06:50-18:53

2 stops18h 03m

£485

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 1/4

12:13-08:30

1 stop14h 17m

London Heathrow

Fri 10/4

09:30-19:25

2 stops39h 55m

£488

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 1/4

13:24-07:10

1 stop11h 46m

London Heathrow

Wed 8/4

15:15-22:34

1 stop13h 19m

£491

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 15/4

10:50-06:45

1 stop13h 55m

London Heathrow

Thu 23/4

07:30-18:58

2 stops17h 28m

£491

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 1/4

09:31-07:10

1 stop15h 39m

London Heathrow

Fri 10/4

12:25-17:47

1 stop11h 22m

£496

MadisonLondon

MSN - LGW

MSNLGW

Madison Truax Field

Wed 15/4

18:22-16:00

2 stops15h 38m

London Gatwick

Wed 22/4

10:25-22:27

2 stops18h 02m

£601

Flights are sorted by cheapest return flights first.

Deals found on 13/2

Showing 1-10 of 45 results
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Best time to book a flight from Madison to London

Have a flexible travel schedule? Discover the best time to fly to London from Madison with our price prediction graph.
Estimated return 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 Madison to London

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

Currently, October is the cheapest month in which you can book a flight from Madison to London (average of £414). Flying from Madison to London in June is currently the most expensive (average of £811). 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.

Related info for your journey

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

    Located just 5.4 mi from the city center, Madison Truax Field is the airport most travelers will use when flying to London from Madison. Booking flights from Truax Field (MSN) to London should be relatively easy as there are 0 daily outbound flights to London from 0 different airlines.

  • How long is the flight from Madison to London?

    Departing from Madison to London will take you 12h 32m. Madison and London are separated by a distance of 3940 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Madison to London?

    The most popular flight routes from Madison to London are Madison Truax Field - London Heathrow, Madison Truax Field - London City and Madison Truax Field - London Gatwick.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Madison 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 Madison to London?

    Currently, October is the cheapest month in which you can book a flight from Madison to London (average of £414). Flying from Madison to London in June is currently the most expensive (average of £811). 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?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Croydon
Luton
Wembley
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Ipswich
Bedford
Romford

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

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Madison to London flexibly with Cheapflights today.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Madison today and book when prices fit your budget.

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