What are the cheapest airlines flying from London to Milwaukee round-trip?

Flying on Icelandair is currently your cheapest option to Milwaukee, with prices starting at £682. Additional return tickets that might be worth considering are offered by United Airlines and Lufthansa, with the lowest prices starting at £698 and £699, respectively. Icelandair is currently priced 4% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from London to Milwaukee one-way?

£520 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Lufthansa and Aer Lingus, with prices starting from £659 and £662, respectively.

What is the cheapest day to fly from London to Milwaukee?

Travellers seeking maximum savings on their London to Milwaukee flight should consider departing on Friday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Milwaukee ranges from 36.0 - 102.0 inches per month. June is typically the wettest month, when rainfall can reach 102.0 mm. January is typically the driest time to visit Milwaukee when rainfall is around 36.0 mm.

If weather is an important factor for your trip to Milwaukee, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

What are the most popular airlines that fly from London to Milwaukee?

Consider Finnair, JetBlue or British Airways when booking your flight. These represent the most popular airlines when flying from London to Milwaukee.

What is the cheapest day to fly round-trip from London to Milwaukee?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Milwaukee. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from London to Milwaukee?

To save on the cost of your flight from London to Milwaukee, book at least 26 days before your planned departure. Booking around this time can save you about 59% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £564 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £1,261.

What is the cheapest month to fly from London to Milwaukee?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, September can be a great choice for travel to Milwaukee. Flights to Milwaukee from London in September are about £714 on average during September, but can be found for as low as £504.

What airport do you fly into for flights to Milwaukee from London?

For a flight from London to Milwaukee, you will be flying into Milwaukee-Mitchell. Milwaukee-Mitchell (MKE) is just 6.4 mi from the center of the city. Milwaukee-Mitchell is the only Milwaukee airport and it handles 0 inbound flights from London per day. 4 airlines have flights to Milwaukee-Mitchell from London on a regular basis.

Can I find deals for flights from London to Milwaukee that include hotel bookings?

Yes. In addition to deals on London to Milwaukee flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from London to Milwaukee?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Milwaukee.

Can I find deals for business class flights from London to Milwaukee?

Yes. Cheapflights offers flight deals from London to Milwaukee by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£418+ Flights from London to Milwaukee

Cheapflights Tip: The best prices from London to Milwaukee-Mitchell are usually found in September or November, booked 25 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from London to Milwaukee

Round-trip from	£682
One-way from	£418
Popular in	August
Cheapest in	September
Average price	£813

Icelandair
30/7-8/8
2 total stops
45h 10m total
London to Milwaukee

Search Deals

26/8
2 total stops
48h 08m total
London to Milwaukee

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£53 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from London to Milwaukee

Cheapest flights from London to Milwaukee
Explore the most affordable flight options available from London to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Wed 30/708:25LHR - MKE

1 stop12h 43mIcelandair

Fri 8/816:03MKE - LHR

1 stop32h 27mIcelandair

Deal found 2/7£682

Thu 11/909:00LHR - MKE

2 stops17h 46mUnited Airlines

Sun 14/915:44MKE - LHR

1 stop14h 01mUnited Airlines

Deal found 3/7£698

Fri 12/908:30LHR - MKE

2 stops18h 16mLufthansa

Sun 14/911:39MKE - LHR

1 stop13h 36mLufthansa

Deal found 3/7£699

Wed 27/809:55LHR - MKE

2 stops19h 41mVirgin Atlantic

Thu 25/1212:18MKE - LHR

1 stop17h 22mVirgin Atlantic

Deal found 2/7£701

Fri 12/914:05LHR - MKE

2 stops26h 08mAir Canada

Sun 14/907:00MKE - LHR

2 stops20h 35mAir Canada

Deal found 3/7£715

Thu 18/908:45LCY - MKE

2 stops18h 01mLufthansa

Mon 22/917:45MKE - LCY

2 stops18h 50mLufthansa

Deal found 2/7£724

Fri 12/916:00LHR - MKE

1 stop13h 29mMultiple Airlines

Fri 19/918:04MKE - LHR

1 stop12h 16mMultiple Airlines

Deal found 2/7£725

Wed 15/1007:05LHR - MKE

2 stops18h 37mScandinavian Airlines

Sat 1/1111:15MKE - LHR

2 stops23h 45mScandinavian Airlines

Deal found 3/7£785

Mon 18/814:25LHR - MKE

1 stop11h 35mBritish Airways

Thu 28/819:49MKE - LHR

1 stop10h 26mBritish Airways

Deal found 2/7£793

Sat 5/708:25LHR - MKE

1 stop13h 28mJetBlue

Mon 14/716:03MKE - LHR

1 stop32h 27mJetBlue

Deal found 3/7£798

Thu 25/906:45LCY - MKE

2 stops17h 08mAer Lingus

Fri 3/1010:34MKE - LCY

2 stops18h 16mAer Lingus

Deal found 3/7£862

Mon 18/806:45LCY - MKE

2 stops15h 41mMultiple Airlines

Thu 28/805:00MKE - LCY

2 stops22h 05mMultiple Airlines

Deal found 2/7£876

Best flights from London to Milwaukee
Discover carefully curated flight deals from London to Milwaukee that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 July 2025.

Wed 30/708:25LHR - MKE

1 stop12h 43mIcelandair

Fri 8/816:03MKE - LHR

1 stop32h 27mIcelandair

Deal found 2/7£682

Thu 11/909:00LHR - MKE

2 stops17h 46mUnited Airlines

Tue 16/908:30MKE - LHR

1 stop17h 50mUnited Airlines

Deal found 3/7£698

Fri 12/908:30LHR - MKE

2 stops18h 16mLufthansa

Tue 16/911:39MKE - LHR

1 stop13h 06mLufthansa

Deal found 3/7£699

Wed 27/809:55LHR - MKE

2 stops19h 41mVirgin Atlantic

Thu 25/1212:18MKE - LHR

1 stop17h 22mVirgin Atlantic

Deal found 2/7£701

Fri 12/914:05LHR - MKE

2 stops26h 08mAir Canada

Sun 14/907:00MKE - LHR

2 stops20h 35mAir Canada

Deal found 3/7£715

Fri 12/916:00LHR - MKE

1 stop13h 29mMultiple Airlines

Fri 19/918:04MKE - LHR

1 stop12h 16mMultiple Airlines

Deal found 2/7£725

Mon 18/813:05LHR - MKE

1 stop13h 41mKLM

Mon 25/817:30MKE - LHR

1 stop13h 40mKLM

Deal found 3/7£769

Wed 15/1007:05LHR - MKE

2 stops18h 37mScandinavian Airlines

Sat 1/1111:15MKE - LHR

2 stops23h 45mScandinavian Airlines

Deal found 3/7£785

Mon 18/814:25LHR - MKE

1 stop11h 35mBritish Airways

Thu 28/819:49MKE - LHR

1 stop10h 26mBritish Airways

Deal found 2/7£793

Mon 18/806:30LHR - MKE

2 stops17h 22mDelta

Mon 25/811:25MKE - LHR

1 stop14h 40mDelta

Deal found 4/7£806

Thu 25/906:45LCY - MKE

2 stops17h 08mAer Lingus

Fri 3/1010:34MKE - LCY

2 stops18h 16mAer Lingus

Deal found 3/7£862

Thu 18/908:45LCY - MKE

2 stops19h 56mLufthansa

Mon 22/917:45MKE - LCY

2 stops16h 40mLufthansa

Deal found 3/7£722

Last-minute flights from London to Milwaukee
Discover last-minute flight deals from London to Milwaukee. Data last updated 4 July 2025 and is based on user searches.

Sat 5/708:25LHR - MKE

1 stop13h 28mJetBlue

Mon 14/716:03MKE - LHR

1 stop32h 27mJetBlue

Deal found 3/7£798

Tue 8/712:55LHR - MKE

1 stop13h 37mDelta

Thu 31/711:26MKE - LHR

1 stop13h 19mDelta

Deal found 2/7£1,568

Tue 8/722:05LHR - MKE

2 stops27h 05mAvianca

Tue 29/710:45MKE - LHR

2 stops22h 50mAvianca

Deal found 2/7£2,134

Wed 9/709:30LHR - MKE

2 stops19h 15mAir Canada

Sat 2/807:00MKE - LHR

2 stops21h 00mAir Canada

Deal found 2/7£936

Sun 13/708:30LHR - MKE

1 stop12h 40mUnited Airlines

Mon 28/715:45MKE - LHR

1 stop10h 35mUnited Airlines

Deal found 1/7£1,088

Tue 15/706:50LHR - MKE

2 stops14h 20mUnited Airlines

Mon 28/712:10MKE - LHR

2 stops16h 00mUnited Airlines

Deal found 1/7£870

Fri 25/707:05LHR - MKE

2 stops19h 27mScandinavian Airlines

Sat 2/807:15MKE - LHR

2 stops26h 45mScandinavian Airlines

Deal found 1/7£843

Wed 30/708:25LHR - MKE

1 stop12h 43mIcelandair

Fri 8/816:03MKE - LHR

1 stop32h 27mIcelandair

Deal found 2/7£682

Thu 31/719:10LCY - MKE

2 stops33h 35mLufthansa

Thu 7/812:10MKE - LCY

2 stops22h 15mLufthansa

Deal found 1/7£1,204

Mon 11/806:45LCY - MKE

2 stops15h 41mAer Lingus

Mon 25/813:06MKE - LCY

2 stops13h 24mAer Lingus

Deal found 2/7£972

Thu 14/806:15LHR - MKE

3 stops40h 24mMultiple Airlines

Tue 19/806:00MKE - LHR

3 stops23h 55mMultiple Airlines

Deal found 3/7£758

Sun 17/812:25LHR - MKE

1 stop13h 59mDelta

Sun 24/813:08MKE - LHR

2 stops13h 42mDelta

Deal found 3/7£881

One-way flights from London to Milwaukee
Search for one-way flight options from London to Milwaukee. Find affordable one-way fares based on user searches. Data last updated 4 July 2025.

Tue 26/822:15LHR - MKE

2 stops48h 08mMultiple Airlines

Deal found 3/7£418

Wed 20/808:25LHR - MKE

1 stop12h 43mJetBlue

Deal found 3/7£520

Mon 25/815:20LHR - MKE

1 stop14h 09mLufthansa

Deal found 3/7£659

Sun 21/1207:50LHR - MKE

2 stops19h 38mAer Lingus

Deal found 1/7£662

Thu 16/1012:15LHR - MKE

1 stop15h 09mBritish Airways

Deal found 3/7£714

Mon 18/806:45LCY - MKE

2 stops18h 33mAer Lingus

Deal found 3/7£880

Sun 21/1213:45LCY - MKE

2 stops16h 08mDelta

Deal found 1/7£1,359

Thu 25/908:30LCY - MKE

3 stops33h 54mMultiple Airlines

Deal found 3/7£1,521

Tue 26/808:45LCY - MKE

2 stops18h 01mLufthansa

Deal found 3/7£2,405

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Wed 30/7

08:25-15:08

1 stop12h 43m

Milwaukee-Mitchell

Fri 8/8

16:03-06:30

1 stop32h 27m

£682

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Thu 11/9

09:00-20:46

2 stops17h 46m

Milwaukee-Mitchell

Sun 14/9

15:44-11:45

1 stop14h 01m

£698

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Fri 12/9

08:30-20:46

2 stops18h 16m

Milwaukee-Mitchell

Mon 15/9

11:39-05:55

1 stop12h 16m

£699

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Wed 27/8

09:55-23:36

2 stops19h 41m

Milwaukee-Mitchell

Thu 25/12

12:18-11:40

1 stop17h 22m

£701

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Fri 12/9

14:05-10:13

2 stops26h 08m

Milwaukee-Mitchell

Sun 14/9

07:00-09:35

2 stops20h 35m

£715

LondonMilwaukee

LCY - MKE

LCYMKE

London City

Thu 18/9

08:45-22:41

2 stops19h 56m

Milwaukee-Mitchell

Mon 22/9

17:45-16:25

2 stops16h 40m

£722

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Fri 12/9

16:00-23:29

1 stop13h 29m

Milwaukee-Mitchell

Fri 19/9

18:04-12:20

1 stop12h 16m

£725

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Wed 15/10

07:05-19:42

2 stops18h 37m

Milwaukee-Mitchell

Sat 1/11

11:15-16:00

2 stops23h 45m

£785

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Mon 18/8

14:25-20:00

1 stop11h 35m

Milwaukee-Mitchell

Thu 28/8

19:49-12:15

1 stop10h 26m

£793

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Fri 17/10

06:30-16:43

2 stops16h 13m

Milwaukee-Mitchell

Mon 20/10

12:20-10:15

2 stops15h 55m

£841

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Showing 1-10 of 23 results

Best time to book a flight from London to Milwaukee

Have a flexible travel schedule? Discover the best time to fly to Milwaukee from London with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Milwaukee

How far ahead should I book a flight from London to Milwaukee?

To ensure you get the cheapest price possible for a flight from London to Milwaukee, you should look to book at least 25 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London to Milwaukee?

Currently, January is the cheapest month in which you can book a flight from London to Milwaukee (average of £655). Flying from London to Milwaukee in July is currently the most expensive (average of £1,079). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to MKE?

It’s typically best to fly out from London to Milwaukee at midday. Doing so could potentially save you 5% on the flight price compared to flying in the morning, which is usually more expensive.

How much does it cost for a return flight from London to Milwaukee?

Reviews of airlines servicing Milwaukee

Read through reviews of airlines operating flights from London to Milwaukee, such as Delta, KLM, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,970 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,970 reviews

Delta

8.0

Very Good

7,970 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,363 reviews

Delta

8.0

Very Good

7,970 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,845 reviews

Delta

8.0

Very Good

7,970 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Virgin Atlantic

7.4

Good

654 reviews

Delta

8.0

Very Good

7,970 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

JetBlue

7.3

Good

2,916 reviews

Delta

8.0

Very Good

7,970 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly into for flights to Milwaukee from London?
For a flight from London to Milwaukee, you will be flying into Milwaukee-Mitchell. Milwaukee-Mitchell (MKE) is just 6.4 mi from the center of the city. Milwaukee-Mitchell is the only Milwaukee airport and it handles 0 inbound flights from London per day. 4 airlines have flights to Milwaukee-Mitchell from London on a regular basis.
What are the cheapest airlines flying from London to Milwaukee round-trip?
Flying on Icelandair is currently your cheapest option to Milwaukee, with prices starting at £682. Additional return tickets that might be worth considering are offered by United Airlines and Lufthansa, with the lowest prices starting at £698 and £699, respectively. Icelandair is currently priced 4% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from London to Milwaukee one-way?
£520 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Lufthansa and Aer Lingus, with prices starting from £659 and £662, respectively.
Can I find deals for flights from London to Milwaukee that include hotel bookings?
Yes. In addition to deals on London to Milwaukee flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Milwaukee?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Milwaukee.
Can I find deals for business class flights from London to Milwaukee?
Yes. Cheapflights offers flight deals from London to Milwaukee by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London to Milwaukee?
Currently, January is the cheapest month in which you can book a flight from London to Milwaukee (average of £655). Flying from London to Milwaukee in July is currently the most expensive (average of £1,079). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for London to Milwaukee

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Direct flights to United States

Top 4 airlines flying from London to Milwaukee

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest£456	Average£575	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Finnair	Cheapest£505	Average£631	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Virgin Atlantic	Cheapest£600	Average£819	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£661	Average£777	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to Milwaukee?

Cheapflights helps you search for flights from London to Milwaukee via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from London to Milwaukee?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Milwaukee from London.

Can Cheapflights find flights from London to Milwaukee with no change fees?

Yes, we can. To see specific flights from London to Milwaukee with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from London to Milwaukee become cheaper?

Not ready to book yet? You can track prices for flights from London to Milwaukee on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from London to Milwaukee from £418

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London to Milwaukee-Mitchell are usually found in September or November, booked 25 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from London to Milwaukee

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from London to Milwaukee

Cheapest flights from London to MilwaukeeExplore the most affordable flight options available from London to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Explore the most affordable flight options available from London to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Cheapflights Fare Finder

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

Best time to book a flight from London to Milwaukee

Have a flexible travel schedule? Discover the best time to fly to Milwaukee from London with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London to Milwaukee

How far ahead should I book a flight from London to Milwaukee?

Use this chart to determine the optimal time to book a return flight from London to Milwaukee. Price data was last updated on 27 June 2025.

What is the cheapest month to book a flight from London to Milwaukee?

What is the cheapest time of day to fly from LON to MKE?

Find hourly flight availability from London to Milwaukee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.

How much does it cost for a return flight from London to Milwaukee?

Reviews of airlines servicing Milwaukee

Read through reviews of airlines operating flights from London to Milwaukee, such as Delta, KLM, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from London to Milwaukee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Milwaukee from London?

What are the cheapest airlines flying from London to Milwaukee round-trip?

What are the cheapest airlines to fly from London to Milwaukee one-way?

Can I find deals for flights from London to Milwaukee that include hotel bookings?

How can I find direct flights from London to Milwaukee?

Can I find deals for business class flights from London to Milwaukee?

What is the cheapest month to book a flight from London to Milwaukee?

Travelling to a place near London?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Milwaukee

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from London to Milwaukee

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Milwaukee?

Why should you use Cheapflights to find cheap flight tickets from London to Milwaukee?

Can Cheapflights find flights from London to Milwaukee with no change fees?

Can Cheapflights notify me if prices for flights from London to Milwaukee become cheaper?

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Cheapest flights from London to Milwaukee
Explore the most affordable flight options available from London to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.