Cheap flights from Wisconsin to London from $215
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 7/22. 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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British Airways flights from Wisconsin to London Heathrow Airport
Our best British Airways deals on Wisconsin to London Heathrow Airport flight tickets
British Airways![British Airways]()
May 8![British Airways]()
May 10
ORD11:45 amChicago O'Hare Intl
12h 35m
1 stop
LHR6:20 amLondon Heathrow
LHR6:15 amLondon Heathrow
18h 35m
1 stop
ORD6:50 pmChicago O'Hare Intl
British Airways![British Airways]()
Aug 19![British Airways]()
Sep 4
ORD7:10 pmChicago O'Hare Intl
7h 55m
LHR9:05 amLondon Heathrow
LHR1:10 pmLondon Heathrow
8h 45m
ORD3:55 pmChicago O'Hare Intl
Air Canada flights from Wisconsin to London Heathrow Airport
Our best Air Canada deals on Wisconsin to London Heathrow Airport flight tickets
Air Canada![Air Canada]()
May 11![Air Canada]()
May 20
ORD12:00 pmChicago O'Hare Intl
12h 30m
2 stops
LHR6:30 amLondon Heathrow
LHR9:30 amLondon Heathrow
15h 24m
2 stops
ORD6:54 pmChicago O'Hare Intl
Air Canada![Air Canada]()
May 11![Air Canada]()
May 20
ORD8:40 amChicago O'Hare Intl
15h 50m
1 stop
LHR6:30 amLondon Heathrow
LHR9:30 amLondon Heathrow
15h 24m
2 stops
ORD6:54 pmChicago O'Hare Intl
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
Prices
Airlines
Other information
What is the cheapest month to fly to London Heathrow Airport?
The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Wisconsin, with most prices found around $699. If you’re not able to fly to London Heathrow Airport in October, then May is your next best option. Flight prices from Wisconsin to London Heathrow Airport during May average around $797.
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 26 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $917 when searching 26 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 $711 on momondo.
What is the cheapest airline that flies from Wisconsin to London Heathrow?
Icelandair, TAP AIR PORTUGAL, and JetBlue are the most popular carriers operating from Wisconsin to London Heathrow
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 40% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 7 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Wisconsin to London Heathrow Airport on average per week?
373 flights are operational weekly from Wisconsin to London Heathrow Airport as of May 2025. The most popular departure day for this route is Tue, with 17% of flights per week taking off on this day.
How long does it take to fly to London Heathrow Airport?
On average, it takes 10h 29m to fly from Wisconsin to London Heathrow Airport if you fly out of Milwaukee (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 38m.
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
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 May 2025, there are 18 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 | ||
|---|---|---|---|---|---|
| PriceFrom $555 | Free Cancellation | Rating 7.8 1,337 reviews | |||
| PriceFrom $566 | Free Cancellation | Rating 7.3 2,921 reviews | |||
| PriceFrom $613 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $613 | Free Cancellation | Rating 8.0 7,944 reviews | |||
| PriceFrom $646 | Free Cancellation | Rating 7.4 8,708 reviews | |||
| PriceFrom $695 | Free Cancellation | Rating 6.6 6,868 reviews | |||
| PriceFrom $703 | Free Cancellation | Rating 7.4 643 reviews |
Traveling to a place near London?
Book flights to London if you plan to visit one of these locationsGatwick
Hounslow
Croydon
Luton
Slough
Guildford
Dartford
Dover
Stansted
Hayes
Salisbury
Milton Keynes
Colchester
Ilford
Wembley
Swindon
Chelmsford
Canterbury
Stratford-upon-Avon
Richmond
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.
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