What is the cheapest airline that flies from Wisconsin to London?

JetBlue, Icelandair, and Virgin Atlantic are the most popular carriers operating from Wisconsin to London

How long does it take to fly to London?

Flight times from Wisconsin to London vary, but if you’re flying out of Green Bay and flying into London Heathrow Airport (one of the most popular routes), then the duration is 10h 10m on average. Another popular route from Wisconsin to London is flying from Madison to London Heathrow Airport, which will take roughly 11h 26m. Keep in mind that layovers or delays could extend your travel time.

How many flights depart from Wisconsin to London on average per week?

The number of flights available between Wisconsin and London is 390 per week as of September 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

When did momondo last update prices for flights from Wisconsin to London?

Prices for flights from Wisconsin to London are updated daily.

How many operators does momondo search for flights from Wisconsin to London?

As of September 2026, there are 9 operators available to choose from for flights from Wisconsin to London.

How old do you have to be to fly from Wisconsin to London?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Wisconsin to London.

What documentation or ID do you need to fly to London?

The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£181 Cheap Flights from Wisconsin to London in 2026/27

Find the cheapest flights from Wisconsin to London

Return

One-way

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Direct

Cheap return flights

Enter your travel dates to find the best prices.

18:30 - 19:30ORD Chicago O'Hare Intl-LHR London Heathrow

19h 00m1 stop Reykjavik Keflavik Intl

12:15 - 17:20LHR London Heathrow-ORD Chicago O'Hare Intl

11h 05m1 stop Reykjavik Keflavik Intl

£456Icelandair

Sun, 10 Jan - Sun, 17 Jan

18:30 - 19:30ORD Chicago O'Hare Intl-LHR London Heathrow

19h 00m1 stop Reykjavik Keflavik Intl

20:35 - 17:20LHR London Heathrow-ORD Chicago O'Hare Intl

26h 45m1 stop Reykjavik Keflavik Intl

£485Icelandair

Sun, 13 Dec - Sun, 20 Dec

22:50 - 11:35ORD Chicago O'Hare Intl-LHR London Heathrow

7h 45mdirect

12:35 - 15:30LHR London Heathrow-ORD Chicago O'Hare Intl

8h 55mdirect

£536Finnair

Tue, 27 Oct - Tue, 3 Nov

21:00 - 13:30ORD Chicago O'Hare Intl-LHR London Heathrow

10h 30m1 stop Dublin

08:50 - 14:10LHR London Heathrow-ORD Chicago O'Hare Intl

11h 20m1 stop Dublin

£536Aer Lingus

Wed, 30 Sep - Sat, 7 Nov

15:45 - 09:05ORD Chicago O'Hare Intl-LHR London Heathrow

11h 20m1 stop Dublin

07:50 - 15:10LHR London Heathrow-ORD Chicago O'Hare Intl

12h 20m1 stop Dublin

£536Aer Lingus

Wed, 30 Sep - Mon, 26 Oct

14:01 - 06:30ORD Chicago O'Hare Intl-LHR London Heathrow

10h 29m1 stop Montreal Pierre Elliott Trudeau Intl

06:50 - 12:00LHR London Heathrow-ORD Chicago O'Hare Intl

11h 10m1 stop Brussels Bruxelles-National

£536United Airlines

Sun, 27 Sep - Tue, 13 Oct

15:55 - 21:00ORD Chicago O'Hare Intl-LGW London Gatwick

23h 05m2 stops Dublin Madrid Barajas

16:35 - 18:20LGW London Gatwick-ORD Chicago O'Hare Intl

31h 45m3 stops Lisbon Humberto Delgado Madrid Barajas Dublin

£536Multiple Airlines

Mon, 2 Nov - Wed, 18 Nov

07:05 - 07:10ORD Chicago O'Hare Intl-LHR London Heathrow

18h 05m1 stop Montreal Pierre Elliott Trudeau Intl

12:05 - 16:15LHR London Heathrow-ORD Chicago O'Hare Intl

34h 10m1 stop Zurich

£538United Airlines

Wed, 3 Feb - Mon, 8 Feb

13:31 - 06:20ORD Chicago O'Hare Intl-LHR London Heathrow

11h 49m1 stop New York John F Kennedy Intl

07:30 - 15:05LHR London Heathrow-ORD Chicago O'Hare Intl

13h 35m1 stop Madrid Barajas

£539Iberia

Wed, 28 Oct - Mon, 2 Nov

20:50 - 10:50ORD Chicago O'Hare Intl-LHR London Heathrow

8h 00mdirect

19:50 - 22:30LHR London Heathrow-ORD Chicago O'Hare Intl

31h 40m2 stops Edinburgh Turnhouse Philadelphia

£540Iberia

Tue, 20 Oct - Mon, 26 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

21:15 - 11:15ORD Chicago O'Hare Intl-LHR London Heathrow

8h 00mdirect

10:30 - 16:46LHR London Heathrow-ORD Chicago O'Hare Intl

12h 16m1 stop New York John F Kennedy Intl

£533British Airways

Sun, 20 Sep - Tue, 29 Sep

19:05 - 09:05ORD Chicago O'Hare Intl-LHR London Heathrow

8h 00mdirect

08:45 - 16:50LHR London Heathrow-ORD Chicago O'Hare Intl

14h 05m1 stop Paris Charles de Gaulle

£536American Airlines

Sun, 20 Sep - Tue, 29 Sep

15:45 - 12:45ORD Chicago O'Hare Intl-LTN London Luton

15h 00m1 stop Dublin

09:40 - 19:15LTN London Luton-ORD Chicago O'Hare Intl

15h 35m1 stop Dublin

£537Multiple Airlines

Mon, 21 Sep - Tue, 29 Sep

15:45 - 07:50ORD Chicago O'Hare Intl-STN London Stansted

10h 05m1 stop Dublin

11:35 - 19:15STN London Stansted-ORD Chicago O'Hare Intl

13h 40m1 stop Dublin

£537Multiple Airlines

Mon, 21 Sep - Tue, 29 Sep

17:55 - 07:40ORD Chicago O'Hare Intl-LHR London Heathrow

7h 45mdirect

09:45 - 12:25LHR London Heathrow-ORD Chicago O'Hare Intl

8h 40mdirect

£541Iberia

Sun, 20 Sep - Tue, 29 Sep

05:00 - 21:20ORD Chicago O'Hare Intl-LHR London Heathrow

10h 20m1 stop Newark

11:05 - 14:10LHR London Heathrow-ORD Chicago O'Hare Intl

9h 05mdirect

£541United Airlines

Sun, 20 Sep - Tue, 29 Sep

19:05 - 09:05ORD Chicago O'Hare Intl-LHR London Heathrow

8h 00mdirect

11:10 - 13:50LHR London Heathrow-ORD Chicago O'Hare Intl

8h 40mdirect

£541British Airways

Sun, 20 Sep - Tue, 29 Sep

21:15 - 11:15ORD Chicago O'Hare Intl-LHR London Heathrow

8h 00mdirect

13:10 - 15:55LHR London Heathrow-ORD Chicago O'Hare Intl

8h 45mdirect

£541American Airlines

Sun, 20 Sep - Tue, 29 Sep

22:25 - 12:15ORD Chicago O'Hare Intl-LHR London Heathrow

7h 50mdirect

12:15 - 14:55LHR London Heathrow-ORD Chicago O'Hare Intl

8h 40mdirect

£542Iberia

Sun, 20 Sep - Tue, 29 Sep

18:05 - 08:30ORD Chicago O'Hare Intl-LHR London Heathrow

8h 25mdirect

11:05 - 14:10LHR London Heathrow-ORD Chicago O'Hare Intl

9h 05mdirect

£542United Airlines

Mon, 21 Sep - Thu, 1 Oct

Cheap direct flights

Enter your travel dates to find the best prices.

22:50 - 11:35ORD Chicago O'Hare Intl-LHR London Heathrow

7h 45mdirect

12:35 - 15:30LHR London Heathrow-ORD Chicago O'Hare Intl

8h 55mdirect

£536Finnair

Tue, 27 Oct - Tue, 3 Nov

20:50 - 10:50ORD Chicago O'Hare Intl-LHR London Heathrow

8h 00mdirect

12:15 - 15:00LHR London Heathrow-ORD Chicago O'Hare Intl

8h 45mdirect

£537Finnair

Wed, 30 Sep - Mon, 5 Oct

17:10 - 06:55ORD Chicago O'Hare Intl-LHR London Heathrow

7h 45mdirect

11:00 - 13:45LHR London Heathrow-ORD Chicago O'Hare Intl

8h 45mdirect

£540Aer Lingus

Tue, 10 Nov - Thu, 19 Nov

19:35 - 08:35ORD Chicago O'Hare Intl-LHR London Heathrow

8h 00mdirect

12:35 - 15:30LHR London Heathrow-ORD Chicago O'Hare Intl

8h 55mdirect

£542American Airlines

Wed, 28 Oct - Tue, 3 Nov

21:15 - 11:15ORD Chicago O'Hare Intl-LHR London Heathrow

8h 00mdirect

12:15 - 15:00LHR London Heathrow-ORD Chicago O'Hare Intl

8h 45mdirect

£542American Airlines

Mon, 12 Oct - Fri, 23 Oct

22:25 - 12:15ORD Chicago O'Hare Intl-LHR London Heathrow

7h 50mdirect

12:15 - 15:00LHR London Heathrow-ORD Chicago O'Hare Intl

8h 45mdirect

£542Iberia

Tue, 29 Sep - Fri, 23 Oct

21:25 - 10:25ORD Chicago O'Hare Intl-LHR London Heathrow

8h 00mdirect

16:30 - 19:30LHR London Heathrow-ORD Chicago O'Hare Intl

9h 00mdirect

£542Iberia

Wed, 28 Oct - Wed, 4 Nov

16:25 - 06:45ORD Chicago O'Hare Intl-LHR London Heathrow

8h 20mdirect

08:00 - 11:10LHR London Heathrow-ORD Chicago O'Hare Intl

9h 10mdirect

£542United Airlines

Mon, 28 Sep - Tue, 6 Oct

15:45 - 05:55ORD Chicago O'Hare Intl-LHR London Heathrow

8h 10mdirect

07:40 - 10:45LHR London Heathrow-ORD Chicago O'Hare Intl

9h 05mdirect

£542United Airlines

Mon, 23 Nov - Thu, 24 Dec

17:00 - 06:50ORD Chicago O'Hare Intl-LHR London Heathrow

7h 50mdirect

15:15 - 18:15LHR London Heathrow-ORD Chicago O'Hare Intl

9h 00mdirect

£690Aer Lingus

Mon, 28 Sep - Fri, 9 Oct

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United Airlines flights from Wisconsin to London

Our best United Airlines deals on Wisconsin to London flight tickets

United Airlines

29 Sept

ORD16:25Chicago O'Hare Intl

8h 20m

LHR06:45London Heathrow

6 Oct

LHR08:00London Heathrow

9h 10m

ORD11:10Chicago O'Hare Intl

£542

United Airlines

2 Nov

ORD21:50Chicago O'Hare Intl

8h 10m

LHR12:00London Heathrow

19 Nov

LHR13:35London Heathrow

9h 20m

ORD16:55Chicago O'Hare Intl

£542

United Airlines

27 Sept

ORD16:25Chicago O'Hare Intl

8h 20m

LHR06:45London Heathrow

5 Oct

LHR17:55London Heathrow

24h 05m

1 stop

ORD12:00Chicago O'Hare Intl

£544

Icelandair flights from Wisconsin to London

Our best Icelandair deals on Wisconsin to London flight tickets

Icelandair

10 Jan

ORD18:30Chicago O'Hare Intl

19h 00m

1 stop

LHR19:30London Heathrow

17 Jan

LHR12:15London Heathrow

11h 05m

1 stop

ORD17:20Chicago O'Hare Intl

£456

Icelandair

13 Dec

ORD18:30Chicago O'Hare Intl

19h 00m

1 stop

LHR19:30London Heathrow

20 Dec

LHR20:35London Heathrow

26h 45m

1 stop

ORD17:20Chicago O'Hare Intl

£485

Icelandair

4 Mar

ORD18:30Chicago O'Hare Intl

10h 25m

1 stop

LGW10:55London Gatwick

8 Mar

LGW11:55London Gatwick

11h 25m

1 stop

ORD17:20Chicago O'Hare Intl

£538

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Sun 10/1

18:30-19:30

1 stop19h 00m

London Heathrow

Sun 17/1

12:15-17:20

1 stop11h 05m

£456

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Sun 13/12

18:30-19:30

1 stop19h 00m

London Heathrow

Sun 20/12

20:35-17:20

1 stop26h 45m

£485

Fastest return journey

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Tue 27/10

22:50-11:35

Nonstop7h 45m

London Heathrow

Tue 3/11

12:35-15:30

Nonstop8h 55m

£536

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Wed 30/9

21:00-13:30

1 stop10h 30m

London Heathrow

Sat 7/11

08:50-14:10

1 stop11h 20m

£536

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Wed 30/9

15:45-09:05

1 stop11h 20m

London Heathrow

Mon 26/10

07:50-15:10

1 stop12h 20m

£536

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Sun 27/9

14:01-06:30

1 stop10h 29m

London Heathrow

Tue 13/10

06:50-12:00

1 stop11h 10m

£536

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Mon 2/11

15:55-21:00

2 stops23h 05m

London Gatwick

Wed 18/11

16:35-18:20

3 stops31h 45m

£536

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Wed 3/2

07:05-07:10

1 stop18h 05m

London Heathrow

Mon 8/2

12:05-16:15

1 stop34h 10m

£538

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Wed 28/10

13:31-06:20

1 stop11h 49m

London Heathrow

Mon 2/11

07:30-15:05

1 stop13h 35m

£539

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Tue 20/10

20:50-10:50

Nonstop8h 00m

London Heathrow

Mon 26/10

19:50-22:30

2 stops31h 40m

£540

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Wisconsin to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from Wisconsin is in January. Flight prices, which tend to average around £531, are often lower during this time because this is during the off-season. The month of April is another great option to travel to London, with average flight prices from Wisconsin averaging around £595.

Can stopping save me money on Wisconsin to London flights?

You could potentially save up to 34% on your flight if you consider stops on a Wisconsin to London flight.

Cheap Wisconsin to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Wisconsin to London

Best price found	£181
Fastest flight time	7h 45m
Direct flights	Every day
Airports in London	6 airports

The best one-way flight to London from Wisconsin in the past 72 hours is £181. The best return flight deal from Wisconsin to London found on momondo in the last 72 hours is £456.

The fastest flight from Wisconsin to London takes 7h 45m

Direct flights go from Wisconsin to London every day.

There are 6 airports in London. From Wisconsin there are direct flights to London Heathrow (LHR).

Search flight deals

Frequently asked questions about flying from Wisconsin to London

When did momondo last update prices for flights from Wisconsin to London?
Prices for flights from Wisconsin to London are updated daily.
How many operators does momondo search for flights from Wisconsin to London?
As of September 2026, there are 9 operators available to choose from for flights from Wisconsin to London.
How old do you have to be to fly from Wisconsin to London?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Wisconsin to London.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Eastbourne

Wembley

Gatwick

Milton Keynes

Southend-on-Sea

Luton

Slough

Ipswich

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Chichester

Hayes

Bedford

Guildford

Colchester

Harlow

Chelmsford

Why use momondo?

Why should I use momondo to find a flight deal from Wisconsin to London?

It is quick and easy to find Wisconsin to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Wisconsin to London with flexible booking policies on momondo?

Flights from Wisconsin to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Wisconsin to London?

Once you have performed a search for Wisconsin to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Wisconsin to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Wisconsin to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Wisconsin to London from £181

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Wisconsin to London departing on 23/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Wisconsin to London

Our best United Airlines deals on Wisconsin to London flight tickets

Icelandair flights from Wisconsin to London

Our best Icelandair deals on Wisconsin to London flight tickets

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How to get the cheapest flight ticket from Wisconsin to London

What is the cheapest month to fly to London?

Can stopping save me money on Wisconsin to London flights?

What is the cheapest airline that flies from Wisconsin to London?

How many flights depart from Wisconsin to London on average per week?

How long does it take to fly to London?

Cheap Wisconsin to London flight deals and tips

Best price found

Fastest flight time

Direct flights

Airports in London

Frequently asked questions about flying from Wisconsin to London

Travelling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

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