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Heathrow

$399+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
MSN — LHR
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Madison Truax Field to London Heathrow are usually found in November or October, booked 76 days in advance, depart on a Wednesday or Thursday and return on a Monday

Cheap 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 July 29, 2025.

Round-trip from

$598
(World Air Fares)

One-way from

$399
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$1,161
From Madison Truax Field to London Heathrow
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One-way flight from Madison Truax Field to London Heathrow
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Highest demand for flights based on searches. 11% potential increase in price ($139 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 29, 2025.

This World Air Fares deal was found by Cheapflights users on 7/27. 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1010:50 amMSN - LHR
2 stops14h 05mLufthansa
Wed 9/179:30 amLHR - MSN
2 stops18h 53mLufthansa
Deal found 7/27$598
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/192:31 pmMSN - LHR
1 stop11h 49mUnited Airlines
Tue 8/262:05 pmLHR - MSN
2 stops29h 44mUnited Airlines
Deal found 7/28$629
This Ovago deal was found by Cheapflights users on 7/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:24 pmMSN - LHR
1 stop10h 41mBritish Airways
Wed 9/179:15 amLHR - MSN
1 stop11h 09mBritish Airways
Deal found 7/26$646
This Gotogate deal was found by Cheapflights users on 7/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/113:58 pmMSN - LHR
2 stops32h 32mMultiple Airlines
Thu 9/188:25 pmLHR - MSN
2 stops51h 58mMultiple Airlines
Deal found 7/28$688
This KLM deal was found by Cheapflights users on 7/27. 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.
Fri 9/125:12 pmMSN - LHR
1 stop14h 18mKLM
Wed 9/1712:45 pmLHR - MSN
1 stop15h 49mKLM
Deal found 7/27$702
This Travelocity deal was found by Cheapflights users on 7/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/188:18 pmMSN - LHR
1 stop29h 02mIberia
Tue 9/309:15 amLHR - MSN
1 stop14h 56mIberia
Deal found 7/28$707
This Virgin Atlantic deal was found by Cheapflights users on 7/29. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/144:55 pmMSN - LHR
2 stops14h 35mVirgin Atlantic
Tue 9/309:40 amLHR - MSN
2 stops16h 43mVirgin Atlantic
Deal found 7/29$854
This Delta deal was found by Cheapflights users on 7/28. 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.
Fri 8/151:23 pmMSN - LHR
2 stops12h 37mDelta
Sun 8/2411:45 amLHR - MSN
2 stops17h 05mDelta
Deal found 7/28$915
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/52:09 pmMSN - LHR
1 stop10h 31mAmerican Airlines
Tue 8/122:25 pmLHR - MSN
1 stop11h 32mAmerican Airlines
Deal found 7/29$1,035

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 July 29, 2025.
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 9/10

10:50 am-6:55 am

2 stops14h 05m

London Heathrow

Wed 9/17

9:30 am-10:23 pm

2 stops18h 53m

$598

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Tue 8/19

6:30 am-6:30 am

2 stops18h 00m

London Heathrow

Tue 8/26

2:05 pm-1:49 pm

2 stops29h 44m

$629

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 9/10

6:24 pm-11:05 am

1 stop10h 41m

London Heathrow

Wed 9/17

9:15 am-2:24 pm

1 stop11h 09m

$646

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Thu 9/11

3:58 pm-6:30 am

2 stops32h 32m

London Heathrow

Thu 9/18

8:25 pm-6:23 pm

2 stops51h 58m

$688

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Fri 9/12

5:12 pm-1:30 pm

1 stop14h 18m

London Heathrow

Wed 9/17

12:45 pm-10:34 pm

1 stop15h 49m

$702

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Thu 9/18

8:18 pm-7:20 am

1 stop29h 02m

London Heathrow

Tue 9/30

9:15 am-6:11 pm

1 stop14h 56m

$707

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Fri 8/15

3:55 pm-9:10 am

1 stop11h 15m

London Heathrow

Sun 8/24

9:15 am-6:14 pm

1 stop14h 59m

$750

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Tue 8/5

4:00 pm-8:20 am

1 stop10h 20m

$399

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Sun 8/10

1:28 pm-10:30 am

2 stops15h 02m

$439

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Sat 8/23

6:44 pm-10:35 am

2 stops33h 51m

$444

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 16 results
1
2

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

How far ahead should I book a flight from Madison to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Madison to Heathrow. Price data was last updated on July 25, 2025.

The best time to book flights from Madison to London Heathrow Airport is 76 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.

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

Currently, November is the cheapest month in which you can book a flight from Madison to London Heathrow Airport (average of $661). Flying from Madison to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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 July 29, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and United 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
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

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
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

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
1,383 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

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!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

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 Canada
7.1
Good
9,826 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

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 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 5 different airlines.

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

    Flying on Lufthansa is currently your cheapest option to London Heathrow Airport, with prices starting at $598. Additional round-trip tickets that might be worth considering are offered by United Airlines and British Airways, with the lowest prices starting at $629 and $646, respectively. Lufthansa is 42% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Madison to London Heathrow Airport one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $399. Users have also found prices from $439 and $444 on Delta and Iberia, respectively.

  • 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, November is the cheapest month in which you can book a flight from Madison to London Heathrow Airport (average of $661). Flying from Madison to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dover
Stratford-upon-Avon
Orpington
Watford
Northampton
Gatwick
Borehamwood
Dartford
Broadway
Aylesbury
Chelmsford
Folkestone
Southend-on-Sea
Chichester
Swindon

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Madison to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Madison to Heathrow

Discover the top 5 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$555Average$764FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$639Average$900FlexibilityNo cancel feeOn-time71%
DeltaCheapest$686Average$1,140FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$698Average$832FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$729Average$846FlexibilityNo cancel feeOn-time69%

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