Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Wisconsin to London from £200

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 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Wisconsin to London

Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
18:30 - 19:30
ORD
-
LHR
19h 00m
1 stop
Icelandair Logo
12:15 - 17:20
LHR
-
ORD
11h 05m
1 stop
£380Icelandair
Sun, 15 Feb - Fri, 27 Feb
Icelandair Logo
19:25 - 11:55
ORD
-
LHR
10h 30m
1 stop
Icelandair Logo
13:05 - 18:15
LHR
-
ORD
11h 10m
1 stop
£381Icelandair
Thu, 2 Apr - Sat, 18 Apr
Icelandair Logo
19:25 - 11:55
ORD
-
LHR
10h 30m
1 stop
Icelandair Logo
21:25 - 18:15
LHR
-
ORD
26h 50m
1 stop
£382Icelandair
Thu, 2 Apr - Tue, 7 Apr
Multiple Airlines Logo
05:05 - 19:30
ORD
-
LHR
33h 25m
3 stops
Multiple Airlines Logo
20:35 - 00:22
LHR
-
ORD
32h 47m
2 stops
£385Multiple Airlines
Tue, 17 Mar - Tue, 24 Mar
Lufthansa Logo
13:25 - 09:45
MKE
-
LHR
14h 20m
2 stops
Lufthansa Logo
08:45 - 20:55
LHR
-
MKE
18h 10m
2 stops
£462Lufthansa
Wed, 18 Feb - Wed, 25 Feb
KLM Logo
12:08 - 07:05
GRB
-
LHR
12h 57m
1 stop
KLM Logo
11:45 - 20:36
LHR
-
GRB
13h 51m
2 stops
£465KLM
Mon, 2 Mar - Mon, 16 Mar
Delta Logo
15:59 - 11:40
MKE
-
LHR
13h 41m
1 stop
Delta Logo
06:30 - 18:40
LHR
-
MKE
17h 10m
2 stops
£465Delta
Mon, 2 Mar - Wed, 11 Mar
Delta Logo
13:23 - 08:45
MSN
-
LHR
13h 22m
1 stop
Delta Logo
08:40 - 22:58
LHR
-
MSN
19h 18m
2 stops
£465Delta
Mon, 2 Mar - Mon, 9 Mar
Multiple Airlines Logo
09:44 - 07:10
MKE
-
LHR
39h 26m
2 stops
Multiple Airlines Logo
11:10 - 21:50
LHR
-
MKE
15h 40m
2 stops
£466Multiple Airlines
Mon, 2 Mar - Wed, 11 Mar
KLM Logo
11:14 - 08:45
ATW
-
LHR
16h 31m
1 stop
KLM Logo
10:45 - 21:28
LHR
-
ATW
15h 43m
1 stop
£475KLM
Wed, 18 Mar - Wed, 25 Mar

Icelandair flights from Wisconsin to London Heathrow Airport

Our best Icelandair deals on Wisconsin to London Heathrow Airport flight tickets
Icelandair
15 Feb
ORD18:30Chicago O'Hare Intl
19h 00m
1 stop
LHR19:30London Heathrow
26 Feb
LHR12:15London Heathrow
11h 05m
1 stop
ORD17:20Chicago O'Hare Intl
£380
Icelandair
2 Apr
ORD19:25Chicago O'Hare Intl
10h 30m
1 stop
LHR11:55London Heathrow
18 Apr
LHR13:05London Heathrow
11h 10m
1 stop
ORD18:15Chicago O'Hare Intl
£381
Icelandair
17 Apr
ORD19:25Chicago O'Hare Intl
10h 30m
1 stop
LHR11:55London Heathrow
24 Apr
LHR21:25London Heathrow
26h 50m
1 stop
ORD18:15Chicago O'Hare Intl
£382

Scandinavian Airlines flights from Wisconsin to London Heathrow Airport

Our best Scandinavian Airlines deals on Wisconsin to London Heathrow Airport flight tickets
Scandinavian Airlines
18 Feb
ORD19:20Chicago O'Hare Intl
16h 20m
1 stop
LHR17:40London Heathrow
4 Mar
LHR10:20London Heathrow
12h 25m
1 stop
ORD16:45Chicago O'Hare Intl
£399
Scandinavian Airlines
18 Feb
ORD19:20Chicago O'Hare Intl
17h 10m
1 stop
LHR18:30London Heathrow
4 Mar
LHR07:05London Heathrow
15h 40m
2 stops
ORD16:45Chicago O'Hare Intl
£401
Scandinavian Airlines
25 Feb
ORD19:20Chicago O'Hare Intl
14h 40m
1 stop
LHR16:00London Heathrow
2 Mar
LHR07:05London Heathrow
15h 40m
2 stops
ORD16:45Chicago O'Hare Intl
£401

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 3 February 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

Sun 15/2

18:30-19:30

1 stop19h 00m

London Heathrow

Fri 27/2

12:15-17:20

1 stop11h 05m

£380

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Thu 2/4

19:25-11:55

1 stop10h 30m

London Heathrow

Sat 18/4

13:05-18:15

1 stop11h 10m

£381

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Thu 2/4

19:25-11:55

1 stop10h 30m

London Heathrow

Tue 7/4

21:25-18:15

1 stop26h 50m

£382

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 17/3

05:05-19:30

3 stops33h 25m

London Heathrow

Tue 24/3

20:35-00:22

2 stops32h 47m

£385

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 18/2

13:25-09:45

2 stops14h 20m

London Heathrow

Wed 25/2

08:45-20:55

2 stops18h 10m

£462

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Mon 2/3

12:08-07:05

1 stop12h 57m

London Heathrow

Mon 16/3

11:45-20:36

2 stops13h 51m

£465

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 2/3

15:59-11:40

1 stop13h 41m

London Heathrow

Wed 11/3

06:30-18:40

2 stops17h 10m

£465

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Mon 2/3

13:23-08:45

1 stop13h 22m

London Heathrow

Mon 9/3

08:40-22:58

2 stops19h 18m

£465

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 2/3

09:44-07:10

2 stops39h 26m

London Heathrow

Wed 11/3

11:10-21:50

2 stops15h 40m

£466

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Wed 18/3

11:14-08:45

1 stop16h 31m

London Heathrow

Wed 25/3

10:45-21:28

1 stop15h 43m

£475

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 £487. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Wisconsin averaging around £531.

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
Stratford-upon-Avon
Swindon
Southend-on-Sea
Canterbury
Ipswich
Ilford
Poole
Guildford
Chelmsford
Hayes
Dover
Swanage
Folkestone

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.

An easier way to manage your London Heathrow Airport 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 5/3
Thu 12/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London