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Cheap flights from Madison to London Heathrow Airport from £389

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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
MSN — LHR
29 Apr — 6 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Madison to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Madison to Heathrow
Explore the most affordable flight options available from Madison to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 March 2026.

Mon 4/512:18
MSN
-
LHR
2 stops15h 37m
Lufthansa
Fri 15/507:25
LHR
-
MSN
2 stops19h 55m
Lufthansa
Deal found 29/3£627
Wed 22/417:55
MSN
-
LHR
2 stops18h 30m
Lufthansa
Wed 29/410:50
LHR
-
MSN
2 stops16h 31m
Lufthansa
Deal found 26/3£627
Fri 3/417:55
MSN
-
LHR
2 stops16h 45m
Lufthansa
Wed 22/407:25
LHR
-
MSN
2 stops19h 56m
Lufthansa
Deal found 25/3£634
Mon 9/1117:30
MSN
-
LHR
1 stop11h 45m
United Airlines
Wed 11/1106:35
LHR
-
MSN
2 stops20h 19m
United Airlines
Deal found 29/3£636
Wed 19/813:32
MSN
-
LHR
1 stop13h 33m
Multiple Airlines
Wed 26/807:50
LHR
-
MSN
2 stops18h 06m
Multiple Airlines
Deal found 25/3£639
Mon 17/817:40
MSN
-
LHR
2 stops17h 00m
Lufthansa
Tue 25/811:30
LHR
-
MSN
2 stops17h 12m
Lufthansa
Deal found 27/3£642
Sat 28/320:22
MSN
-
LHR
1 stop30h 43m
British Airways
Wed 8/412:15
LHR
-
MSN
1 stop15h 55m
British Airways
Deal found 25/3£643
Mon 4/512:18
MSN
-
LHR
2 stops15h 37m
Lufthansa
Mon 18/519:30
LHR
-
MSN
2 stops27h 13m
Lufthansa
Deal found 28/3£648
Fri 3/415:03
MSN
-
LHR
1 stop13h 27m
Iberia
Mon 6/409:45
LHR
-
MSN
1 stop15h 51m
Iberia
Deal found 28/3£653
Wed 29/410:50
MSN
-
LHR
1 stop15h 40m
United Airlines
Wed 6/506:50
LHR
-
MSN
2 stops14h 10m
United Airlines
Deal found 30/3£658
Mon 4/514:30
MSN
-
LHR
1 stop10h 15m
United Airlines
Fri 15/506:50
LHR
-
MSN
2 stops18h 18m
United Airlines
Deal found 26/3£659

Find flight deals from Madison to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Madison (MSN) 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 30 March 2026.

Round-trip from

£627

One-way from

£389

Popular in

June

Cheapest in

December

Average price

£671
Lufthansa
  • Lufthansa
  • 4/5-15/5
  • 4 total stops
  • 35h 32m total
  • Madison to London
Search Deals
Lufthansa
  • Lufthansa
  • 19/4
  • 2 total stops
  • 16h 45m total
  • Madison to London
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£180 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£40 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Madison 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 858,174 searches. Data last updated 30 March 2026.
Use the filters below to find and compare flights from Madison to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 26/8

10:49-06:55

2 stops14h 06m

London Heathrow

Wed 2/9

06:50-14:53

2 stops14h 03m

£662

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 19/8

10:49-06:55

2 stops14h 06m

London Heathrow

Tue 25/8

06:50-22:42

2 stops21h 52m

£662

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 15/4

12:13-06:45

1 stop12h 32m

London Heathrow

Fri 24/4

14:10-23:49

1 stop15h 39m

£680

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Fri 4/9

14:45-06:30

2 stops33h 45m

London Heathrow

Sat 12/9

07:25-22:42

2 stops21h 17m

£741
Fastest return journey

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Fri 4/9

15:44-11:15

1 stop13h 31m

London Heathrow

Sat 12/9

11:10-17:38

1 stop12h 28m

£749

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 13/5

14:30-10:40

2 stops14h 10m

London Heathrow

Sun 17/5

14:10-22:54

1 stop14h 44m

£765

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 13/5

14:30-11:50

2 stops15h 20m

London Heathrow

Sat 23/5

14:05-11:48

2 stops27h 43m

£773

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 20/5

06:30-06:30

2 stops18h 00m

London Heathrow

Wed 27/5

06:50-21:07

2 stops20h 17m

£774

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 13/5

14:33-13:05

1 stop16h 32m

London Heathrow

Sat 23/5

06:30-21:27

2 stops20h 57m

£776

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Thu 14/5

09:55-07:15

2 stops15h 20m

London Heathrow

Thu 21/5

08:00-17:10

1 stop15h 10m

£786

Flights are sorted by cheapest return flights first.

Deals found on 26/3

Showing 1-10 of 17 resultsSorted by cheapest first
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Best time to book a flight from Madison to Heathrow

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

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

Currently, October is the cheapest month in which you can book a flight from Madison to London Heathrow Airport (average of £403). Flying from Madison to London Heathrow Airport in June is currently the most expensive (average of £814). 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.

How much does it cost for a return flight from Madison to London Heathrow Airport?

Related info for your journey

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

    For a flight from Madison to London Heathrow, you will be flying from Truax Field. Madison Truax Field (MSN) is just 5.4 mi from the center of the city. Truax Field is the only Madison airport and it handles 0 outbound flights to London Heathrow per day. 0 airlines have flights to London Heathrow from Madison Truax Field on a regular basis.

  • How long is the flight from Madison to London Heathrow Airport?

    United Airlines can get you from Madison to London Heathrow Airport in just under 14h 06m. Your travel time can differ by up to . The distance from Madison to London Heathrow Airport is about 3940 mi.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Madison to London Heathrow Airport (average of £403). Flying from Madison to London Heathrow Airport in June is currently the most expensive (average of £814). 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 Heathrow Airport?

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

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

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

Yes! Cheapflights helps users easily find flights from Madison to Heathrow with no change fees.

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Of course! You can now track prices for flights from Madison to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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