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Cheap flights from London Heathrow Airport to Milwaukee from £513

LHR — MKE
4 Nov — 11 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Milwaukee

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Milwaukee

Wed 4/1112:15 -
2 stops27h 01m
Thu 12/1110:15 -
2 stops27h 15m
Deal found 30/9£513
Mon 16/1106:40 -
2 stops20h 00m
Mon 23/1107:35 -
2 stops26h 25m
Deal found 2/10£587
Sat 5/1217:00 -
2 stops33h 52m
Tue 8/1207:45 -
2 stops27h 55m
Deal found 1/10£596
Wed 4/1106:40 -
2 stops19h 55m
Thu 12/1107:35 -
3 stops25h 00m
Deal found 30/9£655
Tue 17/1106:40 -
2 stops20h 00m
Tue 24/1107:35 -
2 stops19h 45m
Deal found 3/10£742
Wed 4/1112:40 -
1 stop17h 13m
Thu 12/1109:35 -
1 stop16h 10m
Deal found 30/9£779
Wed 4/1109:00 -
2 stops15h 58m
Thu 12/1118:18 -
1 stop11h 42m
Deal found 30/9£782

Find flight deals from Heathrow to Milwaukee

Round-trip from

£513

Popular in

August

Cheapest in

October

Average price

£459
4/11-12/11
  • 4/11-12/11
  • 4 total stops
  • 54h 16m total
  • London to Milwaukee
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£115 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£26 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

LondonMilwaukee

LHR London Heathrow - MKE Milwaukee-Mitchell

LHRMKE

London Heathrow

Mon 7/12

06:15-22:37

2 stops22h 22m

Milwaukee-Mitchell

Wed 31/12

00:00-07:00

Nonstop0h 00m

£529

LondonMilwaukee

LHR London Heathrow - MKE Milwaukee-Mitchell

LHRMKE

London Heathrow

Mon 7/12

12:40-23:59

1 stop17h 19m

Milwaukee-Mitchell

Wed 31/12

00:00-07:00

Nonstop0h 00m

£544

LondonMilwaukee

LHR London Heathrow - MKE Milwaukee-Mitchell

LHRMKE

London Heathrow

Mon 16/11

06:40-20:27

2 stops19h 47m

Milwaukee-Mitchell

Mon 23/11

07:35-16:25

3 stops26h 50m

£589

LondonMilwaukee

LHR London Heathrow - MKE Milwaukee-Mitchell

LHRMKE

London Heathrow

Sat 5/12

06:40-20:52

2 stops20h 12m

Milwaukee-Mitchell

Tue 8/12

07:45-17:40

2 stops27h 55m

£597

LondonMilwaukee

LHR London Heathrow - MKE Milwaukee-Mitchell

LHRMKE

London Heathrow

Thu 24/12

06:20-16:40

2 stops16h 20m

Milwaukee-Mitchell

Wed 31/12

00:00-07:00

Nonstop0h 00m

£611

LondonMilwaukee

LHR London Heathrow - MKE Milwaukee-Mitchell

LHRMKE

London Heathrow

Mon 19/10

08:50-19:58

2 stops17h 08m

Milwaukee-Mitchell

Wed 31/12

00:00-07:00

Nonstop0h 00m

£624

LondonMilwaukee

LHR London Heathrow - MKE Milwaukee-Mitchell

LHRMKE

London Heathrow

Mon 19/10

09:30-12:44

3 stops33h 14m

Milwaukee-Mitchell

Wed 31/12

00:00-07:00

Nonstop0h 00m

£653

LondonMilwaukee

LHR London Heathrow - MKE Milwaukee-Mitchell

LHRMKE

London Heathrow

Mon 21/12

11:45-20:05

2 stops14h 20m

Milwaukee-Mitchell

Wed 31/12

00:00-07:00

Nonstop0h 00m

£750

LondonMilwaukee

LHR London Heathrow - MKE Milwaukee-Mitchell

LHRMKE

London Heathrow

Tue 22/12

12:35-22:22

1 stop15h 47m

Milwaukee-Mitchell

Wed 31/12

00:00-07:00

Nonstop0h 00m

£752

LondonMilwaukee

LHR London Heathrow - MKE Milwaukee-Mitchell

LHRMKE

London Heathrow

Sun 20/12

11:25-22:22

2 stops40h 57m

Milwaukee-Mitchell

Wed 31/12

00:00-07:00

Nonstop0h 00m

£756

Flights are sorted by cheapest return flights first.

Deals found on 2/10

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

Best time to book a flight from Heathrow to Milwaukee

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

Cheapflights Insights

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

What’s the top stopover airport for flights from London Heathrow Airport to Milwaukee?

Chicago (ORD) – chosen by Cheapflights users on 68% of one-stop itineraries from London Heathrow Airport to Milwaukee on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to Milwaukee?

Boston (BOS) is the most affordable one-stop option, with an average return flight price of £707.

What’s the fastest stopover option from London Heathrow Airport to Milwaukee?

Flights via Chicago (ORD) have the shortest average one-way travel time for one-stop routes: 11h 37m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Milwaukee?

Flights via Chicago (ORD) offer the fastest connection on this route, with an average stopover time of 1h 31m.

Reviews of airlines servicing Milwaukee

Read reviews from past customers who have flown with Aer Lingus and British Airways from London Heathrow Airport to Milwaukee. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,812 reviews
Check prices

Comfort

7.2

Crew

8.1

Food

6.7

Entertainment

7.0

Overall

7.3

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
Aer Lingus
7.3
Good
1,812 reviews
Aer Lingus
7.3
Good
1,812 reviews
Check prices

Comfort

7.2

Crew

8.1

Food

6.7

Entertainment

7.0

Overall

7.3

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
British Airways
6.7
Okay
8,244 reviews
Aer Lingus
7.3
Good
1,812 reviews
Check prices

Comfort

7.2

Crew

8.1

Food

6.7

Entertainment

7.0

Overall

7.3

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Related info for your journey

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

    For a flight from London Heathrow 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 Heathrow per day. 2 airlines have flights to Milwaukee-Mitchell from London Heathrow on a regular basis.

  • How long is the flight from London Heathrow Airport to Milwaukee?

    Departing from London Heathrow Airport to Milwaukee will take you 15h 58m. London Heathrow Airport and Milwaukee are separated by a distance of 3894 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Currently priced at £721, British Airways will fly you from London Heathrow Airport to Milwaukee and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Aer Lingus for as low as £1,154. British Airways is priced at 13% lower than the current average price of a flight leaving 3 months from now.

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

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

  • How can I find direct flights from Heathrow to Milwaukee?

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Heathrow to Milwaukee

AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£721Average£884FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£1,154Average£1,306FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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Certainly. Search results for flights to Milwaukee from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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