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Cheap flights from Wisconsin to London from £241

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 25/8. 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
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Find the cheapest flights from Wisconsin to London

Cheap return flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
19:15 - 21:35
ORD
-
LHR
20h 20m
2 stops
Scandinavian Airlines Logo
10:20 - 16:45
LHR
-
ORD
12h 25m
1 stop
£595Scandinavian Airlines
Tue, 18 Aug - Sun, 15 Nov
Turkish Airlines Logo
11:25 - 21:05
ORD
-
LHR
27h 40m
1 stop
Turkish Airlines Logo
11:20 - 09:40
LHR
-
ORD
28h 20m
1 stop
£597Turkish Airlines
Wed, 16 Sep - Wed, 23 Sep
Icelandair Logo
19:25 - 20:20
ORD
-
LHR
18h 55m
1 stop
Icelandair Logo
21:25 - 18:15
LHR
-
ORD
26h 50m
1 stop
£597Icelandair
Sun, 9 Aug - Sun, 23 Aug
SWISS Logo
19:05 - 13:00
ORD
-
LHR
11h 55m
1 stop
SWISS Logo
08:40 - 15:55
LHR
-
ORD
13h 15m
1 stop
£602SWISS
Mon, 7 Sep - Wed, 16 Sep
SWISS Logo
19:05 - 13:00
ORD
-
LHR
11h 55m
1 stop
SWISS Logo
06:00 - 12:35
LHR
-
ORD
12h 35m
1 stop
£602SWISS
Mon, 7 Sep - Wed, 16 Sep
Iberia Logo
14:51 - 07:40
GRB
-
LHR
10h 49m
1 stop
Iberia Logo
06:15 - 23:07
LHR
-
GRB
22h 52m
2 stops
£634Iberia
Sun, 13 Sep - Wed, 23 Sep
Delta Logo
10:50 - 07:10
GRB
-
LHR
14h 20m
1 stop
Delta Logo
06:30 - 21:58
LHR
-
GRB
21h 28m
2 stops
£644Delta
Sun, 13 Sep - Wed, 23 Sep
Delta Logo
11:22 - 13:15
MSN
-
LHR
19h 53m
1 stop
Delta Logo
06:30 - 17:48
LHR
-
MSN
17h 18m
2 stops
£644Delta
Wed, 19 Aug - Tue, 25 Aug
Iberia Logo
18:41 - 12:15
MKE
-
LHR
11h 34m
1 stop
Iberia Logo
12:15 - 17:33
LHR
-
MKE
11h 18m
1 stop
£659Iberia
Mon, 14 Sep - Fri, 25 Sep
Icelandair Logo
19:30 - 11:55
MSP
-
LHR
10h 25m
1 stop
Icelandair Logo
13:05 - 18:20
LHR
-
MSP
11h 15m
1 stop
£744Icelandair
Sat, 22 Aug - Sat, 29 Aug

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 Aug
ORD19:15Chicago O'Hare Intl
20h 20m
2 stops
LHR21:35London Heathrow
15 Nov
LHR10:20London Heathrow
12h 25m
1 stop
ORD16:45Chicago O'Hare Intl
£595
Scandinavian Airlines
23 Sept
ORD19:15Chicago O'Hare Intl
15h 10m
2 stops
LHR16:25London Heathrow
28 Sept
LHR19:50London Heathrow
26h 20m
2 stops
ORD16:10Chicago O'Hare Intl
£599
Scandinavian Airlines
9 Sept
ORD19:15Chicago O'Hare Intl
17h 15m
1 stop
LHR18:30London Heathrow
23 Sept
LHR07:05London Heathrow
15h 05m
2 stops
ORD16:10Chicago O'Hare Intl
£600

Turkish Airlines flights from Wisconsin to London Heathrow Airport

Our best Turkish Airlines deals on Wisconsin to London Heathrow Airport flight tickets
Turkish Airlines
16 Sept
ORD11:25Chicago O'Hare Intl
27h 40m
1 stop
LHR21:05London Heathrow
23 Sept
LHR11:20London Heathrow
28h 20m
1 stop
ORD09:40Chicago O'Hare Intl
£597
Turkish Airlines
16 Sept
ORD20:10Chicago O'Hare Intl
18h 55m
1 stop
LHR21:05London Heathrow
28 Sept
LHR18:30London Heathrow
21h 10m
1 stop
ORD09:40Chicago O'Hare Intl
£624

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 11 May 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

Cheapest return flight

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 18/8

19:15-21:35

2 stops20h 20m

London Heathrow

Sun 15/11

10:20-16:45

1 stop12h 25m

£595

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 16/9

11:25-21:05

1 stop27h 40m

London Heathrow

Wed 23/9

11:20-09:40

1 stop28h 20m

£597

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 9/8

19:25-20:20

1 stop18h 55m

London Heathrow

Sun 23/8

21:25-18:15

1 stop26h 50m

£597

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 7/9

19:05-13:00

1 stop11h 55m

London Heathrow

Wed 16/9

08:40-15:55

1 stop13h 15m

£602

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 7/9

19:05-13:00

1 stop11h 55m

London Heathrow

Wed 16/9

06:00-12:35

1 stop12h 35m

£602

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sun 13/9

14:51-07:40

1 stop10h 49m

London Heathrow

Wed 23/9

06:15-23:07

2 stops22h 52m

£634

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sun 13/9

10:50-07:10

1 stop14h 20m

London Heathrow

Wed 23/9

06:30-21:58

2 stops21h 28m

£644

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 19/8

11:22-13:15

1 stop19h 53m

London Heathrow

Tue 25/8

06:30-17:48

2 stops17h 18m

£644

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 14/9

18:41-12:15

1 stop11h 34m

London Heathrow

Fri 25/9

12:15-17:33

1 stop11h 18m

£659
Fastest return journey

MinneapolisLondon

MSP - LHR

MSPLHR

Minneapolis St Paul

Sat 22/8

19:30-11:55

1 stop10h 25m

London Heathrow

Sat 29/8

13:05-18:20

1 stop11h 15m

£744

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, October 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 £346. The month of May is another great option to travel to London Heathrow Airport, with average flight prices from Wisconsin averaging around £426.

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

You could potentially save up to 16% 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

Frequently asked questions about flying from Wisconsin to London Heathrow Airport

  • 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
Stratford-upon-Avon
Wembley
Slough
Maidstone
Northampton
Swindon
Ipswich
Southend-on-Sea
Canterbury
Ilford
Hayes
Guildford
Poole
Folkestone
Chelmsford
Dover

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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