HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$257+ Cheap flights from Madison (MSN) 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
MSN — LHR
Mar 18 — Mar 251
Wed 3/18
Wed 3/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Madison to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Madison to Heathrow

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 February 16, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 2/13. 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.
Wed 10/145:30 pm
MSN
-
LHR
2 stops16h 10m
Lufthansa
Wed 10/2110:50 am
LHR
-
MSN
2 stops19h 07m
Lufthansa
Deal found 2/13$635
This oojo deal was found by Cheapflights users on 2/12. 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.
Wed 9/26:45 pm
MSN
-
LHR
1 stop10h 30m
British Airways
Mon 9/76:10 pm
LHR
-
MSN
2 stops35h 20m
British Airways
Deal found 2/12$649
This Orbitz deal was found by Cheapflights users on 2/12. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1510:19 am
MSN
-
LHR
1 stop18h 11m
Iberia
Wed 4/226:15 am
LHR
-
MSN
2 stops16h 51m
Iberia
Deal found 2/12$653
This Delta deal was found by Cheapflights users on 2/15. 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.
Wed 4/17:00 am
MSN
-
LHR
1 stop18h 10m
Delta
Wed 4/811:30 am
LHR
-
MSN
2 stops17h 04m
Delta
Deal found 2/15$656
This United Airlines deal was found by Cheapflights users on 2/15. 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.
Wed 4/110:05 am
MSN
-
LHR
2 stops16h 30m
United Airlines
Wed 4/86:55 am
LHR
-
MSN
2 stops16h 20m
United Airlines
Deal found 2/15$658
This United Airlines deal was found by Cheapflights users on 2/14. 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.
Tue 3/3110:48 am
MSN
-
LHR
2 stops13h 42m
United Airlines
Tue 4/77:25 am
LHR
-
MSN
2 stops17h 28m
United Airlines
Deal found 2/14$661
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Sat 3/283:53 pm
MSN
-
LHR
1 stop32h 52m
United Airlines
Tue 4/76:50 am
LHR
-
MSN
2 stops18h 03m
United Airlines
Deal found 2/12$663
This United Airlines deal was found by Cheapflights users on 2/13. 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.
Wed 4/15:50 pm
MSN
-
LHR
1 stop11h 55m
United Airlines
Fri 4/109:30 am
LHR
-
MSN
2 stops41h 46m
United Airlines
Deal found 2/13$667
This Expedia deal was found by Cheapflights users on 2/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/11:24 pm
MSN
-
LHR
1 stop11h 46m
KLM
Wed 4/83:15 pm
LHR
-
MSN
1 stop13h 19m
KLM
Deal found 2/15$670
This United Airlines deal was found by Cheapflights users on 2/13. 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.
Sat 3/283:53 pm
MSN
-
LHR
1 stop32h 52m
United Airlines
Wed 4/89:30 am
LHR
-
MSN
2 stops44h 19m
United Airlines
Deal found 2/13$672
This KLM deal was found by Cheapflights users on 2/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/19:31 am
MSN
-
LHR
1 stop15h 39m
KLM
Fri 4/1010:45 am
LHR
-
MSN
1 stop12h 39m
KLM
Deal found 2/15$678

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 February 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$653
(Orbitz)

One-way from

$257
(KLM)

Popular in

June

Cheapest in

December

Average price

$802
Provider with most accurate pricing for Madison Truax Field-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Madison Truax Field-London Heathrow flights.
Search Deals
From Madison Truax Field to London Heathrow
Search Deals
One-way flight from Madison Truax Field to London Heathrow
Search Deals
Highest demand for flights based on searches. 31% potential increase in price ($439 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($113 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated February 16, 2026.
Use the filters below to find and compare flights from Madison to London Heathrow Airport that are best for you.

Fly from

Madison

Fly to

Heathrow

Route

Depart

Return

Price

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 4/1

10:05 am-6:45 am

1 stop14h 40m

London Heathrow

Wed 4/8

6:55 am-6:53 pm

2 stops17h 58m

$658

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 4/15

12:13 pm-7:15 am

2 stops13h 02m

London Heathrow

Wed 4/22

10:50 am-9:16 pm

2 stops16h 26m

$663

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Sat 3/28

3:53 pm-5:45 am

1 stop32h 52m

London Heathrow

Tue 4/7

6:50 am-6:53 pm

2 stops18h 03m

$663

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 4/1

5:50 pm-11:45 am

1 stop11h 55m

London Heathrow

Fri 4/10

9:30 am-9:16 pm

2 stops41h 46m

$667

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 4/1

1:24 pm-7:10 am

1 stop11h 46m

London Heathrow

Wed 4/8

3:15 pm-10:34 pm

1 stop13h 19m

$670

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 4/1

9:31 am-7:10 am

1 stop15h 39m

London Heathrow

Fri 4/10

12:25 pm-5:47 pm

1 stop11h 22m

$678

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 4/1

1:24 pm-10:30 am

2 stops15h 06m

London Heathrow

Fri 4/10

10:45 am-10:58 pm

2 stops18h 13m

$687

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 4/15

2:44 pm-8:30 am

1 stop11h 46m

London Heathrow

Thu 4/23

11:05 am-6:58 pm

1 stop13h 53m

$687

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 4/15

12:13 pm-6:45 am

1 stop12h 32m

London Heathrow

Fri 4/24

2:05 pm-11:49 pm

2 stops15h 44m

$690

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Tue 7/14

5:55 pm-1:05 pm

1 stop13h 10m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Showing 1-10 of 17 results
1
2

Compare providers for flights from Madison to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Madison to Heathrow in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Madison-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Madison-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Madison-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Madison-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Madison-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 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 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 $566). Flying from Madison 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.

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 February 16, 2026.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Madison 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
7.9
Good
8,204 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,204 reviews
Delta
7.9
Good
8,204 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,299 reviews
Delta
7.9
Good
8,204 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,294 reviews
Delta
7.9
Good
8,204 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,750 reviews
Delta
7.9
Good
8,204 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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?

    If you book a flight to London Heathrow from Madison, you will be flying from Truax Field, which is the city’s only airport. Madison Truax Field (MSN) is located 5.4 mi from the center of Madison. There are 0 flights from Truax Field to London Heathrow per day from 4 different airlines.

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

    Departing from Madison to London Heathrow Airport will take you 14h 40m. The distance between Madison and London Heathrow Airport is about 3940 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on Delta is currently your cheapest option to London Heathrow Airport, with prices starting at $622. Additional round-trip tickets that might be worth considering are offered by United Airlines and British Airways, with the lowest prices starting at $676 and $680, respectively. Delta is 35% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 vacation 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 $566). Flying from Madison 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Croydon
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Madison to Heathrow

Discover the top 4 airlines that operate flights from Madison 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 February 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$622Average$1,101FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$676Average$803FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$680Average$807FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$712Average$930FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.