What airlines fly to London Heathrow Airport?

American Airlines, British Airways and United Airlines are the top three most popular airlines that fly to London Heathrow Airport from Wisconsin according to our data. American Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 5 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to London Heathrow Airport?

On average, it takes 10h 12m to fly from Wisconsin to London Heathrow Airport if you fly out of Appleton (the most popular airport in Wisconsin) and into London Heathrow Airport (the most popular airport in London Heathrow Airport). If you’re flying out of Green Bay and into London Heathrow Airport, then the flight time is around 10h 58m.

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

423 flights are operational weekly from Wisconsin to London Heathrow Airport as of September 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

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

WestJet, TAP AIR PORTUGAL, and Scandinavian Airlines are the most popular carriers operating from Wisconsin to London Heathrow

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

As of September 2025, there are 17 operators available to choose from 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 you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$207 Cheap Flights from Wisconsin to London Heathrow Airport in 2025/26

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Find the cheapest flights from Wisconsin to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

12:50 pm - 7:10 amORD-LHR

12h 20m1 stop

9:00 am - 6:39 pmLHR-ORD

15h 39m2 stops

$505Air Canada

Find Deal

Wed, Nov 5 - Tue, Nov 11

12:50 pm - 7:10 amORD-LHR

12h 20m1 stop

9:00 am - 6:52 pmLHR-ORD

15h 52m2 stops

$506Multiple Airlines

Find Deal

Mon, Dec 1 - Tue, Dec 9

4:00 pm - 6:20 amORD-LHR

8h 20mnonstop

6:50 am - 12:05 pmLHR-ORD

11h 15m1 stop

$507United Airlines

Find Deal

Tue, Sep 30 - Tue, Oct 7

10:35 pm - 12:15 pmORD-LHR

7h 40mnonstop

2:25 pm - 5:00 pmLHR-ORD

8h 35mnonstop

$510Finnair

Find Deal

Tue, Sep 23 - Fri, Oct 3

4:20 pm - 2:20 pmORD-LHR

16h 00m1 stop

6:00 am - 1:20 pmLHR-ORD

13h 20m1 stop

$511Austrian Airlines

Find Deal

Mon, Sep 29 - Thu, Oct 16

7:10 pm - 9:05 amORD-LHR

7h 55mnonstop

1:10 pm - 3:55 pmLHR-ORD

8h 45mnonstop

$512British Airways

Find Deal

Tue, Oct 14 - Tue, Oct 21

4:00 pm - 6:20 amORD-LHR

8h 20mnonstop

9:30 am - 8:06 pmLHR-ORD

16h 36m1 stop

$517United Airlines

Find Deal

Wed, Sep 24 - Wed, Oct 1

8:40 pm - 10:30 amORD-LHR

7h 50mnonstop

2:25 pm - 5:00 pmLHR-ORD

8h 35mnonstop

$521Finnair

Find Deal

Mon, Oct 6 - Wed, Oct 15

8:35 pm - 11:15 amORD-LHR

33h 40m1 stop

11:45 am - 11:56 pmLHR-ORD

18h 11m1 stop

$537British Airways

Find Deal

Sat, Nov 1 - Wed, Nov 26

4:20 pm - 2:20 pmORD-LHR

16h 00m1 stop

3:05 pm - 1:20 pmLHR-ORD

28h 15m1 stop

$541Austrian Airlines

Find Deal

Sun, Oct 5 - Mon, Oct 13

Iberia flights from Wisconsin to London Heathrow Airport

Our best Iberia deals on Wisconsin to London Heathrow Airport flight tickets

Iberia

Sep 22

ORD5:40 pmChicago O'Hare Intl

7h 40m

LHR7:20 amLondon Heathrow

Oct 21

LHR12:15 pmLondon Heathrow

8h 25m

ORD2:40 pmChicago O'Hare Intl

$512

Find similar

Iberia

Sep 28

ORD8:40 pmChicago O'Hare Intl

7h 50m

LHR10:30 amLondon Heathrow

Oct 7

LHR9:45 amLondon Heathrow

12h 28m

1 stop

ORD4:13 pmChicago O'Hare Intl

$513

Find similar

Iberia

Sep 23

ORD10:35 pmChicago O'Hare Intl

7h 40m

LHR12:15 pmLondon Heathrow

Sep 30

LHR9:45 amLondon Heathrow

13h 38m

1 stop

ORD5:23 pmChicago O'Hare Intl

$528

Find similar

Air Canada flights from Wisconsin to London Heathrow Airport

Our best Air Canada deals on Wisconsin to London Heathrow Airport flight tickets

Air Canada

Sep 22

ORD9:50 pmChicago O'Hare Intl

7h 55m

LHR11:45 amLondon Heathrow

Sep 30

LHR9:30 amLondon Heathrow

11h 25m

1 stop

ORD2:55 pmChicago O'Hare Intl

$505

Find similar

Air Canada

Sep 22

ORD9:50 pmChicago O'Hare Intl

7h 55m

LHR11:45 amLondon Heathrow

Sep 30

LHR8:30 amLondon Heathrow

9h 00m

ORD11:30 amChicago O'Hare Intl

$508

Find similar

Air Canada

Sep 28

ORD7:11 amChicago O'Hare Intl

17h 19m

1 stop

LHR6:30 amLondon Heathrow

Oct 7

LHR6:50 amLondon Heathrow

13h 58m

2 stops

ORD2:48 pmChicago O'Hare Intl

$509

Find similar

momondo Fare Finder

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

Wed 11/5

12:50 pm-7:10 am

1 stop12h 20m

London Heathrow

Tue 11/11

9:00 am-6:39 pm

2 stops15h 39m

$505

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 12/1

12:50 pm-7:10 am

1 stop12h 20m

London Heathrow

Tue 12/9

9:00 am-6:52 pm

2 stops15h 52m

$506

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 9/30

4:00 pm-6:20 am

Nonstop8h 20m

London Heathrow

Tue 10/7

6:50 am-12:05 pm

1 stop11h 15m

$507

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 9/23

10:35 pm-12:15 pm

Nonstop7h 40m

London Heathrow

Fri 10/3

2:25 pm-5:00 pm

Nonstop8h 35m

$510

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 9/29

4:20 pm-2:20 pm

1 stop16h 00m

London Heathrow

Thu 10/16

6:00 am-1:20 pm

1 stop13h 20m

$511

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 10/14

7:10 pm-9:05 am

Nonstop7h 55m

London Heathrow

Tue 10/21

1:10 pm-3:55 pm

Nonstop8h 45m

$512

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 9/24

4:00 pm-6:20 am

Nonstop8h 20m

London Heathrow

Wed 10/1

9:30 am-8:06 pm

1 stop16h 36m

$517

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 10/6

8:40 pm-10:30 am

Nonstop7h 50m

London Heathrow

Wed 10/15

2:25 pm-5:00 pm

Nonstop8h 35m

$521

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sat 11/1

8:35 pm-11:15 am

1 stop33h 40m

London Heathrow

Wed 11/26

11:45 am-11:56 pm

1 stop18h 11m

$537

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 10/5

4:20 pm-2:20 pm

1 stop16h 00m

London Heathrow

Mon 10/13

3:05 pm-1:20 pm

1 stop28h 15m

$541

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Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

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Other information

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

The month of November is, on average, the cheapest month to fly to London Heathrow Airport from Wisconsin, with most prices found around $726. If you’re not able to fly to London Heathrow Airport in November, then October is your next best option. Flight prices from Wisconsin to London Heathrow Airport during October average around $758.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Sunday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $807. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,077.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Wisconsin to London Heathrow Airport in the evening for as low as $761. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $901.

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

You are more likely to see cheaper flights to London Heathrow Airport from Wisconsin when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $916 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Wisconsin for as low as $716 on momondo.

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

You could potentially save up to 31% 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 refresh daily.
How many operators does momondo search for flights from Wisconsin to London Heathrow Airport?
As of September 2025, there are 17 operators available to choose from 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 you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Wisconsin to London Heathrow Airport

Compare and see reviews for airlines that fly from Wisconsin to London Heathrow Airport with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $650	Free Cancellation	Rating 6.7 7,367 reviews	Search British Airways flights
United Airlines	PriceFrom $695	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
American Airlines	PriceFrom $699	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Virgin Atlantic	PriceFrom $703	Free Cancellation	Rating 7.4 664 reviews	Search Virgin Atlantic flights
Delta	PriceFrom $736	Free Cancellation	Rating 7.9 7,961 reviews	Search Delta flights

Gatwick

Hounslow

Dover

Luton

Slough

Milton Keynes

Hayes

Guildford

Dartford

Crawley

Stansted

Chelmsford

Salisbury

Brentwood

Ilford

Folkestone

Colchester

Swindon

Stratford-upon-Avon

Watford

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Wisconsin to London. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to London from Wisconsin with this policy.

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

momondo helps you find the best flight between Wisconsin and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to London from Wisconsin. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London Heathrow Airport trip

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Flights to London Stansted Airportfrom $401

Flights to London Luton Airportfrom $404

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Flights to Belfast Intl Airportfrom $464

Flights to London Southend Airportfrom $486

Flights to Belfast City Airportfrom $514

Cheap flights from Wisconsin to London from $207

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 10/25. 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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Find the cheapest flights from Wisconsin to London

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Iberia flights from Wisconsin to London Heathrow Airport

Our best Iberia deals on Wisconsin to London Heathrow Airport flight tickets

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Our best Air Canada deals on Wisconsin to London Heathrow Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Wisconsin to London Heathrow Airport that are best for you.

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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?

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Sunday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $807. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,077.

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

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

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

You could potentially save up to 31% on your flight if you consider stops on a Wisconsin to London Heathrow Airport flight.

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

WestJet, TAP AIR PORTUGAL, and Scandinavian Airlines are the most popular carriers operating from Wisconsin to London Heathrow

What airlines fly to London Heathrow Airport?

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

423 flights are operational weekly from Wisconsin to London Heathrow Airport as of September 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

How long does it take to fly to London Heathrow Airport?

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

Direct flights

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

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?

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

Best airlines flying from Wisconsin to London Heathrow Airport

Compare and see reviews for airlines that fly from Wisconsin to London Heathrow Airport with momondo

Traveling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize 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 London

Popular cities in the United Kingdom

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