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

WestJet is the most popular carrier 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 Milwaukee and flying into London Heathrow Airport (one of the most popular routes), then the duration is 9h 59m on average. Another popular route from Wisconsin to London is flying from Green Bay to London Heathrow Airport, which will take roughly 10h 20m. 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 328 per week as of November 2025. The most frequent departure day is Wed, 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 November 2025, there are 11 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.

£179 Cheap Flights from Wisconsin to London in 2025/26

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Find the cheapest flights from Wisconsin to London

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Cheap return flights

Enter your travel dates to find the best prices.

18:30 - 19:30ORD-LHR

19h 00m1 stop

20:35 - 17:20LHR-ORD

26h 45m1 stop

£415Icelandair

Find Deal

Mon, 2 Mar - Sat, 7 Mar

18:30 - 10:50ORD-LHR

10h 20m1 stop

12:15 - 18:20LHR-ORD

11h 05m1 stop

£416Icelandair

Find Deal

Wed, 25 Feb - Sun, 8 Mar

19:20 - 16:00ORD-LHR

14h 40m1 stop

10:20 - 17:45LHR-ORD

12h 25m1 stop

£417Scandinavian Airlines

Find Deal

Mon, 2 Mar - Mon, 16 Mar

07:00 - 10:05ORD-LGW

21h 05m1 stop

14:00 - 14:19LGW-ORD

30h 19m1 stop

£417Multiple Airlines

Find Deal

Sat, 17 Jan - Sat, 24 Jan

18:30 - 17:50ORD-STN

17h 20m2 stops

06:30 - 17:20STN-ORD

16h 50m2 stops

£417Multiple Airlines

Find Deal

Wed, 3 Dec - Wed, 10 Dec

19:20 - 16:25ORD-LHR

15h 05m2 stops

06:40 - 16:55LHR-ORD

16h 15m2 stops

£419Scandinavian Airlines

Find Deal

Thu, 15 Jan - Sun, 25 Jan

15:50 - 09:05ORD-LHR

11h 15m1 stop

07:50 - 14:00LHR-ORD

12h 10m1 stop

£423Aer Lingus

Find Deal

Sun, 16 Nov - Fri, 21 Nov

15:50 - 09:05ORD-LHR

11h 15m1 stop

08:50 - 14:00LHR-ORD

11h 10m1 stop

£424Aer Lingus

Find Deal

Sun, 23 Nov - Thu, 27 Nov

18:00 - 12:45ORD-LHR

12h 45m1 stop

18:45 - 16:00LHR-ORD

27h 15m1 stop

£433TAP AIR PORTUGAL

Find Deal

Wed, 15 Apr - Tue, 28 Apr

20:25 - 20:35ORD-LGW

18h 10m2 stops

16:35 - 14:45LGW-ORD

28h 10m1 stop

£443TAP AIR PORTUGAL

Find Deal

Sun, 30 Nov - Sat, 6 Dec

Icelandair flights from Wisconsin to London

Our best Icelandair deals on Wisconsin to London flight tickets

Icelandair

2 Mar

ORD18:30Chicago O'Hare Intl

19h 00m

1 stop

LHR19:30London Heathrow

7 Mar

LHR20:35London Heathrow

26h 45m

1 stop

ORD17:20Chicago O'Hare Intl

£415

Find similar

Icelandair

25 Feb

ORD18:30Chicago O'Hare Intl

10h 20m

1 stop

LHR10:50London Heathrow

8 Mar

LHR12:15London Heathrow

11h 05m

1 stop

ORD18:20Chicago O'Hare Intl

£416

Find similar

Icelandair

22 Feb

ORD18:30Chicago O'Hare Intl

10h 20m

1 stop

LHR10:50London Heathrow

6 Mar

LHR20:35London Heathrow

26h 45m

1 stop

ORD17:20Chicago O'Hare Intl

£417

Find similar

Finnair flights from Wisconsin to London

Our best Finnair deals on Wisconsin to London flight tickets

Finnair

16 Nov

ORD11:46Chicago O'Hare Intl

14h 49m

1 stop

LHR08:35London Heathrow

25 Nov

LHR12:35London Heathrow

8h 50m

ORD15:25Chicago O'Hare Intl

£437

Find similar

Finnair

2 Dec

ORD16:06Chicago O'Hare Intl

11h 34m

1 stop

LHR09:40London Heathrow

9 Dec

LHR12:35London Heathrow

8h 50m

ORD15:25Chicago O'Hare Intl

£438

Find similar

Finnair

16 Nov

ORD16:06Chicago O'Hare Intl

11h 34m

1 stop

LHR09:40London Heathrow

25 Nov

LHR12:35London Heathrow

8h 50m

ORD15:25Chicago O'Hare Intl

£439

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 2/3

18:30-19:30

1 stop19h 00m

London Heathrow

Sat 7/3

20:35-17:20

1 stop26h 45m

£415

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 25/2

18:30-10:50

1 stop10h 20m

London Heathrow

Sun 8/3

12:15-18:20

1 stop11h 05m

£416

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 2/3

19:20-16:00

1 stop14h 40m

London Heathrow

Mon 16/3

10:20-17:45

1 stop12h 25m

£417

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sat 17/1

07:00-10:05

1 stop21h 05m

London Gatwick

Sat 24/1

14:00-14:19

1 stop30h 19m

£417

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 3/12

18:30-17:50

2 stops17h 20m

London Stansted

Wed 10/12

06:30-17:20

2 stops16h 50m

£417

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Thu 15/1

19:20-16:25

2 stops15h 05m

London Heathrow

Sun 25/1

06:40-16:55

2 stops16h 15m

£419

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 16/11

15:50-09:05

1 stop11h 15m

London Heathrow

Fri 21/11

07:50-14:00

1 stop12h 10m

£423

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 23/11

15:50-09:05

1 stop11h 15m

London Heathrow

Thu 27/11

08:50-14:00

1 stop11h 10m

£424

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 15/4

18:00-12:45

1 stop12h 45m

London Heathrow

Tue 28/4

18:45-16:00

1 stop27h 15m

£433

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 30/11

20:25-20:35

2 stops18h 10m

London Gatwick

Sat 6/12

16:35-14:45

1 stop28h 10m

£443

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 November. Flight prices, which tend to average around £535, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Wisconsin averaging around £550.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £542. Flights at midday are often more expensive, with an average ticket price of £646.

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Wisconsin when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £802 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Wisconsin for as low as £624 on momondo.

Can stopping save me money on Wisconsin to London flights?

You could potentially save up to 21% 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

Fastest flight time	7h 40m
Direct flights	Every day
Airports in London	1 airport

The fastest flight from Wisconsin to London takes 7h 40m

Direct flights go from Wisconsin to London every day.

There is 1 airport near London: London Heathrow (LHR)

Search flight deals

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 November 2025, there are 11 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

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Canterbury

Southend-on-Sea

Ipswich

Ilford

Guildford

Dover

Colchester

Chelmsford

Hayes

Worthing

Ramsgate

Dartford

Bedford

Winchester

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.