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Cheap flights from Wisconsin to London from £186

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 13/5. 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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0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
19:25 - 20:20
ORD
-
LHR
18h 55m1 stop
Icelandair Logo
13:05 - 18:15
LHR
-
ORD
11h 10m1 stop
£395Icelandair
Tue, 5 May - Tue, 12 May
Scandinavian Airlines Logo
19:20 - 16:25
ORD
-
LHR
15h 05m2 stops
Scandinavian Airlines Logo
06:40 - 16:45
LHR
-
ORD
16h 05m1 stop
£396Scandinavian Airlines
Mon, 16 Feb - Mon, 23 Feb
Lufthansa Logo
15:24 - 11:15
MKE
-
LHR
14h 51m1 stop
Lufthansa Logo
11:10 - 21:50
LHR
-
MKE
15h 40m2 stops
£452Lufthansa
Mon, 16 Mar - Tue, 24 Mar
Lufthansa Logo
11:29 - 13:00
MKE
-
LHR
19h 31m2 stops
Lufthansa Logo
06:35 - 18:53
LHR
-
MKE
18h 18m2 stops
£458Lufthansa
Tue, 3 Feb - Tue, 10 Feb
Virgin Atlantic Logo
18:29 - 11:40
MKE
-
LHR
11h 11m1 stop
Virgin Atlantic Logo
13:00 - 20:21
LHR
-
MKE
13h 21m1 stop
£461Virgin Atlantic
Thu, 5 Feb - Sat, 14 Feb
Virgin Atlantic Logo
12:17 - 06:25
MKE
-
LHR
12h 08m1 stop
Virgin Atlantic Logo
11:05 - 21:34
LHR
-
MKE
16h 29m1 stop
£461Virgin Atlantic
Thu, 5 Feb - Sat, 14 Feb
KLM Logo
12:06 - 07:05
GRB
-
LHR
12h 59m1 stop
KLM Logo
06:30 - 16:39
LHR
-
GRB
16h 09m2 stops
£469KLM
Sun, 1 Feb - Sun, 8 Feb
KLM Logo
05:25 - 09:00
ATW
-
LHR
21h 35m1 stop
KLM Logo
06:30 - 15:40
LHR
-
ATW
15h 10m2 stops
£469KLM
Mon, 16 Feb - Mon, 23 Feb
Delta Logo
17:11 - 08:45
MKE
-
LHR
9h 34m1 stop
Delta Logo
11:45 - 20:54
LHR
-
MKE
15h 09m2 stops
£469Delta
Tue, 3 Feb - Tue, 10 Feb
Delta Logo
07:05 - 06:20
MKE
-
LHR
17h 15m1 stop
Delta Logo
06:30 - 20:21
LHR
-
MKE
19h 51m2 stops
£469Delta
Thu, 5 Feb - Sat, 14 Feb

Icelandair flights from Wisconsin to London Heathrow Airport

Our best Icelandair deals on Wisconsin to London Heathrow Airport flight tickets
Icelandair
5 May
ORD19:25Chicago O'Hare Intl
18h 55m
1 stop
LHR20:20London Heathrow
12 May
LHR13:05London Heathrow
11h 10m
1 stop
ORD18:15Chicago O'Hare Intl
£395
Find similar
Icelandair
11 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
£397
Find similar
Icelandair
8 May
ORD19:25Chicago O'Hare Intl
10h 30m
1 stop
LHR11:55London Heathrow
19 May
LHR13:05London Heathrow
14h 20m
1 stop
ORD21:25Chicago O'Hare Intl
£397
Find similar

Lufthansa flights from Wisconsin to London Heathrow Airport

Our best Lufthansa deals on Wisconsin to London Heathrow Airport flight tickets
Lufthansa
16 Mar
MKE17:51Milwaukee-Mitchell
12h 14m
1 stop
LHR11:05London Heathrow
24 Mar
LHR11:10London Heathrow
15h 40m
2 stops
MKE21:50Milwaukee-Mitchell
£452
Find similar
Lufthansa
16 Mar
MKE15:24Milwaukee-Mitchell
16h 36m
2 stops
LHR13:00London Heathrow
24 Mar
LHR11:10London Heathrow
15h 40m
2 stops
MKE21:50Milwaukee-Mitchell
£458
Find similar
Lufthansa
26 Jan
MKE11:30Milwaukee-Mitchell
12h 25m
1 stop
LHR05:55London Heathrow
2 Feb
LHR20:15London Heathrow
28h 38m
2 stops
MKE18:53Milwaukee-Mitchell
£460
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Wisconsin to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 4 January 2026.
Use the filters below to find and compare flights from Wisconsin to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 5/5

19:25-20:20

1 stop18h 55m

London Heathrow

Tue 12/5

13:05-18:15

1 stop11h 10m

£395

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 16/2

19:20-16:25

2 stops15h 05m

London Heathrow

Mon 23/2

06:40-16:45

1 stop16h 05m

£396

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 16/3

15:24-11:15

1 stop14h 51m

London Heathrow

Tue 24/3

11:10-21:50

2 stops15h 40m

£452

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 3/2

11:29-13:00

2 stops19h 31m

London Heathrow

Tue 10/2

06:35-18:53

2 stops18h 18m

£458

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 5/2

18:29-11:40

1 stop11h 11m

London Heathrow

Sat 14/2

13:00-20:21

1 stop13h 21m

£461

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 5/2

12:17-06:25

1 stop12h 08m

London Heathrow

Sat 14/2

11:05-21:34

1 stop16h 29m

£461

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sun 1/2

12:06-07:05

1 stop12h 59m

London Heathrow

Sun 8/2

06:30-16:39

2 stops16h 09m

£469

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Mon 16/2

05:25-09:00

1 stop21h 35m

London Heathrow

Mon 23/2

06:30-15:40

2 stops15h 10m

£469

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 3/2

17:11-08:45

1 stop9h 34m

London Heathrow

Tue 10/2

11:45-20:54

2 stops15h 09m

£469

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 5/2

07:05-06:20

1 stop17h 15m

London Heathrow

Sat 14/2

06:30-20:21

2 stops19h 51m

£469

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Wisconsin to London Heathrow Airport

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

What is the cheapest month to fly to London Heathrow Airport?

In general, December is the cheapest month to fly from Wisconsin to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £495. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Wisconsin averaging around £596.

Can stopping save me money on Wisconsin to London Heathrow Airport flights?

You could potentially save up to 21% on your flight if you consider stops on a Wisconsin to London Heathrow Airport flight.

Cheap Wisconsin to London Heathrow Airport flight deals and tips

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

Fastest flight time

7h 40m

Direct flights

Every day
The fastest flight from Wisconsin to London Heathrow Airport takes 7h 40m
Direct flights go from Wisconsin to London Heathrow Airport every day.
Search flight deals

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

    Prices for flights from Wisconsin to London Heathrow Airport are updated daily.

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

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

    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 Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents required for your trip to London Heathrow Airport 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 Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Northampton
Swindon
Stratford-upon-Avon
Southend-on-Sea
Canterbury
Ipswich
Ilford
Poole
Guildford
Chelmsford
Hayes
Swanage
Dover
Worthing

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Wisconsin to London . Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Wisconsin to London on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Wisconsin.

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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