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$390+ Cheap flights from Madison (MSN) to London (LON)

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
MSN — LON
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Madison Truax Field to London are usually found in November or September, booked 22 days in advance, depart on a Sunday or Wednesday and return on a Monday

Cheap 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 September 11, 2025.

Round-trip from

$624
(Delta)

One-way from

$390
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$751
From Madison Truax Field to London (LON)
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One-way flight from Madison Truax Field to London (LON)
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Highest demand for flights based on searches. 1% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Madison to London

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 September 11, 2025.

This Delta deal was found by Cheapflights users on 9/10. 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.
Tue 10/75:15 pmMSN - LHR
1 stop14h 15mDelta
Tue 10/148:40 amLHR - MSN
2 stops19h 49mDelta
Deal found 9/10$624
This KLM deal was found by Cheapflights users on 9/9. 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.
Tue 10/75:52 pmMSN - LHR
1 stop13h 18mKLM
Tue 10/1412:25 pmLHR - MSN
1 stop16h 04mKLM
Deal found 9/9$630
This Delta deal was found by Cheapflights users on 9/10. 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.
Mon 10/135:58 pmMSN - LHR
2 stops13h 52mDelta
Fri 10/2411:45 amLHR - MSN
1 stop14h 36mDelta
Deal found 9/10$663
This Scandinavian Airlines deal was found by Cheapflights users on 9/9. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/251:25 pmMSN - LHR
2 stops24h 05mScandinavian Airlines
Sat 11/16:40 amLHR - MSN
2 stops21h 05mScandinavian Airlines
Deal found 9/9$664
This Scandinavian Airlines deal was found by Cheapflights users on 9/9. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:28 amMSN - LHR
2 stops22h 32mScandinavian Airlines
Mon 12/87:05 amLHR - MSN
3 stops21h 29mScandinavian Airlines
Deal found 9/9$667
This Delta deal was found by Cheapflights users on 9/9. 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.
Thu 11/62:42 pmMSN - LHR
1 stop10h 23mDelta
Tue 11/116:20 amLHR - MSN
2 stops17h 02mDelta
Deal found 9/9$673
This Delta deal was found by Cheapflights users on 9/10. 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.
Sun 10/125:30 amMSN - LHR
1 stop19h 45mDelta
Mon 10/206:30 amLHR - MSN
2 stops19h 51mDelta
Deal found 9/10$674
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/810:51 amMSN - LCY
2 stops19h 39mMultiple Airlines
Wed 10/158:45 amLCY - MSN
2 stops16h 10mMultiple Airlines
Deal found 9/10$784
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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.
Thu 11/66:50 pmMSN - LCY
2 stops15h 50mLufthansa
Tue 11/119:50 amLCY - MSN
2 stops18h 55mLufthansa
Deal found 9/9$821
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 10/1310:51 amMSN - LCY
2 stops19h 39mMultiple Airlines
Fri 10/247:30 pmLCY - MSN
2 stops27h 34mMultiple Airlines
Deal found 9/10$867
This Delta deal was found by Cheapflights users on 9/9. 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 10/312:22 pmMSN - LCY
2 stops15h 08mDelta
Fri 10/107:45 amLCY - MSN
2 stops18h 36mDelta
Deal found 9/9$1,115
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 10/263:54 pmMSN - LCY
2 stops15h 56mMultiple Airlines
Sun 11/25:15 pmLCY - MSN
2 stops32h 06mMultiple Airlines
Deal found 9/11$1,189

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 11, 2025.
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

Tue 10/7

5:52 pm-1:10 pm

1 stop13h 18m

London Heathrow

Tue 10/14

8:40 am-8:21 pm

2 stops17h 41m

$624

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Tue 10/7

5:52 pm-1:10 pm

1 stop13h 18m

London Heathrow

Tue 10/14

12:25 pm-10:29 pm

1 stop16h 04m

$630

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Mon 10/13

5:58 pm-1:10 pm

1 stop13h 12m

London Heathrow

Fri 10/24

11:45 am-8:21 pm

1 stop14h 36m

$631

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Thu 12/4

11:28 am-4:00 pm

2 stops22h 32m

London Heathrow

Mon 12/8

6:40 am-10:34 pm

2 stops21h 54m

$664

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Sat 10/25

1:25 pm-7:30 pm

2 stops24h 05m

London Heathrow

Sat 11/1

6:40 am-10:45 pm

2 stops21h 05m

$664

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Tue 10/28

11:25 am-4:00 pm

2 stops23h 35m

London Heathrow

Sat 11/1

6:40 am-10:45 pm

2 stops21h 05m

$664

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Thu 11/6

2:42 pm-7:05 am

1 stop10h 23m

London Heathrow

Tue 11/11

6:20 am-5:22 pm

2 stops17h 02m

$673

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Thu 10/9

5:30 am-7:15 am

1 stop19h 45m

London Heathrow

Thu 10/16

8:40 am-10:29 pm

2 stops19h 49m

$674

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Sun 10/12

5:15 pm-1:30 pm

1 stop14h 15m

London Heathrow

Mon 10/20

6:30 am-8:21 pm

2 stops19h 51m

$674

MadisonLondon

MSN - LCY

MSNLCY

Madison Truax Field

Wed 10/8

10:51 am-12:30 pm

2 stops19h 39m

London City

Wed 10/15

8:45 am-6:55 pm

2 stops16h 10m

$784

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 25 results
1
2
3

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 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

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

Use this chart to determine the optimal time to book a round-trip flight from Madison to London. Price data was last updated on August 29, 2025.

The best time to book flights from Madison to London is 22 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?

Currently, November is the cheapest month in which you can book a flight from Madison to London (average of $661). Flying from Madison to London in June is currently the most expensive (average of $1,098). 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 to fly round-trip from Madison to London?

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated September 11, 2025.
See what other customers who have flown with United Airlines, American Airlines, and British Airways from Madison to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,361 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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?

    Most people fly from Madison Truax Field (MSN) if they book a flight from Madison to London. On average, Truax Field has 0 outbound flights to London per day from 4 airlines. Madison Truax Field is conveniently located just 5.4 mi from Madison’s city center.

  • How long is the flight from Madison to London?

    A quick flight from Madison to London can take about 13h 18m. Delta provides one of the quickest options available for as low as $624. Madison and London are separated by a distance of 3940 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Cheapflights users have booked flights from Madison to London round-trip from $695. Other airlines that can offer you cheap pricing are United Airlines, from $695, and American Airlines, from $707. Users have found that British Airways is 25% cheaper than the other options available to this destination.

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

    The most popular route from Madison to London is Madison Truax Field - London Heathrow. You may also consider Madison Truax Field - London City or 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 vacation 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, November is the cheapest month in which you can book a flight from Madison to London (average of $661). Flying from Madison to London in June is currently the most expensive (average of $1,098). 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?

Book flights to London if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Wembley
Folkestone
Chichester
Arundel

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Madison to London

Discover the top 4 airlines that operate flights from Madison to London. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$695Average$830FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$695Average$844FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$707Average$918FlexibilityNo cancel feeOn-time71%
DeltaCheapest$736Average$1,142FlexibilityNo cancel feeOn-timeN/A

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