$378+ Cheap flights from Milwaukee (MKE) to Heathrow (LHR)
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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
May 19 — May 261
Round-trip
1 adult, Economy
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Find cheap flights from Milwaukee to Heathrow with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Best
Last-minute
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Cheapest flights from Milwaukee to HeathrowExplore the most affordable flight options available from Milwaukee to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 19, 2026.
Explore the most affordable flight options available from Milwaukee to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 19, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:00 am
MKE
- LHR
3 stops20h 20m
Scandinavian Airlines
Mon 11/96:40 am
LHR
- MKE
2 stops19h 28m
Scandinavian Airlines
Deal found 4/13![Scandinavian Airlines logo]()
$835
This Expedia deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:16 pm
MKE
- LHR
1 stop9h 59m
Iberia
Wed 10/146:15 am
LHR
- MKE
2 stops19h 25m
Iberia
Deal found 4/13![Iberia logo]()
$862
This Iberia deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:16 pm
MKE
- LHR
1 stop9h 59m
Iberia
Wed 10/147:50 am
LHR
- MKE
2 stops17h 50m
Iberia
Deal found 4/18![Iberia logo]()
$864
This Orbitz deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:16 pm
MKE
- LHR
1 stop9h 59m
Iberia
Thu 10/157:50 am
LHR
- MKE
2 stops15h 50m
Iberia
Deal found 4/13![Iberia logo]()
$866
This Cheapflightsfares deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:00 pm
MKE
- LHR
2 stops17h 25m
Lufthansa
Tue 10/2711:10 am
LHR
- MKE
2 stops17h 17m
Lufthansa
Deal found 4/14![Lufthansa logo]()
$869
This British Airways deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:01 pm
MKE
- LHR
1 stop10h 39m
British Airways
Wed 10/146:15 am
LHR
- MKE
2 stops19h 25m
British Airways
Deal found 4/15![British Airways logo]()
$870
This Expedia deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:14 pm
MKE
- LHR
2 stops14h 21m
Multiple Airlines
Tue 10/2711:10 am
LHR
- MKE
2 stops17h 59m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$875
This United Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:14 pm
MKE
- LHR
2 stops13h 01m
United Airlines
Wed 10/147:25 am
LHR
- MKE
2 stops15h 10m
United Airlines
Deal found 4/13![United Airlines logo]()
$879
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:00 pm
MKE
- LHR
2 stops13h 05m
Delta
Wed 10/146:30 am
LHR
- MKE
2 stops16h 15m
Delta
Deal found 4/15![Delta logo]()
$882
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/59:37 am
MKE
- LHR
1 stop15h 08m
United Airlines
Tue 5/122:05 pm
LHR
- MKE
2 stops25h 40m
United Airlines
Deal found 4/14![United Airlines logo]()
$884
Best flights from Milwaukee to HeathrowDiscover carefully curated flight deals from Milwaukee to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 19, 2026.
Discover carefully curated flight deals from Milwaukee to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 19, 2026.
This United Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:14 pm
MKE
- LHR
2 stops13h 01m
United Airlines
Wed 10/147:25 am
LHR
- MKE
2 stops15h 10m
United Airlines
Deal found 4/13![United Airlines logo]()
$879
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:00 pm
MKE
- LHR
2 stops13h 05m
Delta
Wed 10/146:30 am
LHR
- MKE
2 stops15h 37m
Delta
Deal found 4/18![Delta logo]()
$883
This Finnair deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1410:20 am
MKE
- LHR
1 stop14h 30m
Multiple Airlines
Sun 8/3011:10 am
LHR
- MKE
1 stop16h 08m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$998
This Virgin Atlantic deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/89:37 am
MKE
- LHR
2 stops15h 08m
Virgin Atlantic
Fri 7/243:15 pm
LHR
- MKE
1 stop14h 41m
Virgin Atlantic
Deal found 4/18![Virgin Atlantic logo]()
$1,250
This United Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3010:50 am
MKE
- LHR
1 stop13h 05m
United Airlines
Tue 5/56:50 am
LHR
- MKE
2 stops13h 37m
United Airlines
Deal found 4/13![United Airlines logo]()
$924
This United Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/810:20 am
MKE
- LHR
2 stops14h 35m
United Airlines
Thu 5/217:25 am
LHR
- MKE
2 stops16h 28m
United Airlines
Deal found 4/13![United Airlines logo]()
$929
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:05 am
MKE
- LHR
1 stop18h 10m
Delta
Sat 5/96:30 am
LHR
- MKE
2 stops15h 32m
Delta
Deal found 4/15![Delta logo]()
$1,129
This KLM deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/110:20 am
MKE
- LHR
1 stop14h 05m
Multiple Airlines
Sun 8/99:20 am
LHR
- MKE
1 stop14h 20m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$1,289
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/14:52 pm
MKE
- LHR
2 stops14h 23m
Delta
Sun 8/911:20 am
LHR
- MKE
1 stop16h 42m
Delta
Deal found 4/15![Delta logo]()
$1,259
Last-minute flights from Milwaukee to HeathrowDiscover last-minute flight deals from Milwaukee to Heathrow. Data last updated April 19, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to Heathrow. Data last updated April 19, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:41 pm
MKE
- LHR
1 stop10h 14m
United Airlines
Tue 4/2811:05 am
LHR
- MKE
1 stop13h 42m
United Airlines
Deal found 4/14![United Airlines logo]()
$904
This Air Canada deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:43 am
MKE
- LHR
2 stops18h 17m
Air Canada
Tue 4/289:30 am
LHR
- MKE
2 stops19h 00m
Air Canada
Deal found 4/14![Air Canada logo]()
$910
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:50 am
MKE
- LHR
2 stops17h 40m
United Airlines
Sun 4/266:50 am
LHR
- MKE
2 stops17h 05m
United Airlines
Deal found 4/14![United Airlines logo]()
$925
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:51 am
MKE
- LHR
2 stops13h 39m
United Airlines
Mon 4/276:50 am
LHR
- MKE
2 stops15h 57m
United Airlines
Deal found 4/14![United Airlines logo]()
$928
This United Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3010:50 am
MKE
- LHR
1 stop13h 05m
United Airlines
Tue 5/56:50 am
LHR
- MKE
2 stops13h 37m
United Airlines
Deal found 4/13![United Airlines logo]()
$924
This Expedia deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:35 pm
MKE
- LHR
1 stop31h 55m
JetBlue
Tue 5/58:40 am
LHR
- MKE
1 stop13h 21m
JetBlue
Deal found 4/15![JetBlue logo]()
$950
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/59:37 am
MKE
- LHR
1 stop15h 08m
United Airlines
Tue 5/122:05 pm
LHR
- MKE
2 stops25h 40m
United Airlines
Deal found 4/14![United Airlines logo]()
$884
This Air Canada deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:25 pm
MKE
- LHR
2 stops12h 35m
Multiple Airlines
Tue 5/128:30 am
LHR
- MKE
3 stops20h 00m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$920
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/109:37 am
MKE
- LHR
1 stop17h 23m
United Airlines
Sun 5/175:40 pm
LHR
- MKE
2 stops25h 31m
United Airlines
Deal found 4/14![United Airlines logo]()
$939
One-way flights from Milwaukee to HeathrowSearch for one-way flight options from Milwaukee to Heathrow. Find affordable one-way fares based on user searches. Data last updated April 19, 2026.
Search for one-way flight options from Milwaukee to Heathrow. Find affordable one-way fares based on user searches. Data last updated April 19, 2026.
This oojo deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:49 pm
MKE
- LHR
1 stop12h 26m
British Airways
Deal found 4/14![British Airways logo]()
$378
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:01 pm
MKE
- LHR
1 stop9h 49m
American Airlines
Deal found 4/14![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:20 pm
MKE
- LHR
2 stops14h 30m
Delta
Deal found 4/17![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/251:00 pm
MKE
- LHR
2 stops15h 20m
Delta
Deal found 4/14![Delta logo]()
$414
This United Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:50 am
MKE
- LHR
2 stops17h 05m
United Airlines
Deal found 4/13![United Airlines logo]()
$518
This FlightHub deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:15 am
MKE
- LHR
2 stops29h 15m
Scandinavian Airlines
Deal found 4/15![Scandinavian Airlines logo]()
$539
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:00 am
MKE
- LHR
3 stops32h 20m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$570
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:03 pm
MKE
- LHR
3 stops48h 17m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$573
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:06 am
MKE
- LHR
3 stops27h 04m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$581
This KLM deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:32 pm
MKE
- LHR
1 stop13h 43m
KLM
Deal found 4/15![KLM logo]()
$651
This Cheapflightsfares deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/119:36 am
MKE
- LHR
1 stop14h 54m
JetBlue
Deal found 4/17![JetBlue logo]()
$673
Find flight deals from Milwaukee to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $862 (Expedia) |
One-way from | $378 (oojo) |
Popular in | June |
Cheapest in | January |
Average price | $774 |
Cheapflights Fare Finder
Customize your flight search to find flights from Milwaukee to Heathrow 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, Cheapflights users made 2,558,603 searches. Data last updated April 19, 2026.
Use the filters below to find and compare flights from Milwaukee to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Tue 10/6
12:14 pm-7:15 am
2 stops13h 01m
London Heathrow
Wed 10/14
7:25 am-4:35 pm
2 stops15h 10m
$879
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Mon 10/5
5:00 pm-12:05 pm
2 stops13h 05m
London Heathrow
Wed 10/14
6:30 am-4:07 pm
2 stops15h 37m
$883
Quickest round-trip
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Thu 4/30
10:50 am-5:55 am
1 stop13h 05m
London Heathrow
Tue 5/5
6:50 am-2:27 pm
2 stops13h 37m
$924
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Fri 5/8
10:20 am-6:55 am
2 stops14h 35m
London Heathrow
Thu 5/21
7:25 am-5:53 pm
2 stops16h 28m
$929
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Fri 8/14
10:20 am-6:50 am
1 stop14h 30m
London Heathrow
Sun 8/30
11:10 am-9:18 pm
1 stop16h 08m
$998
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Sat 5/2
7:05 am-7:15 am
1 stop18h 10m
London Heathrow
Sat 5/9
6:30 am-4:02 pm
2 stops15h 32m
$1,129
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Wed 7/8
9:37 am-6:45 am
2 stops15h 08m
London Heathrow
Fri 7/24
3:15 pm-11:56 pm
1 stop14h 41m
$1,250
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Sat 8/1
4:52 pm-1:15 pm
2 stops14h 23m
London Heathrow
Sun 8/9
11:20 am-10:02 pm
1 stop16h 42m
$1,259
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Sat 8/1
10:20 am-6:25 am
1 stop14h 05m
London Heathrow
Sun 8/9
9:20 am-5:40 pm
1 stop14h 20m
$1,289
Cheapest one-way
Quickest one-way
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Fri 10/9
4:49 pm-9:05 am
1 stop10h 16m
$379
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Milwaukee to Heathrow
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Milwaukee to Heathrow in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Milwaukee-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Milwaukee-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Milwaukee-London Heathrow Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Milwaukee-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Milwaukee-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Milwaukee to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Milwaukee with our price prediction graph.
MKE-LHR
Estimated round-trip 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 Milwaukee to London Heathrow Airport
How far ahead should I book a flight from Milwaukee to London Heathrow Airport?
Use this chart to determine the optimal time to book a round-trip flight from Milwaukee to Heathrow. Price data was last updated on April 10, 2026.
The best time to book flights from Milwaukee to London Heathrow Airport is 45 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Milwaukee to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Milwaukee to London Heathrow Airport (average of $659). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of $1,349). 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.
How much does it cost to fly round-trip from Milwaukee to London Heathrow Airport?
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated April 19, 2026.
Peruse reviews from past customers who have flown with Delta,Virgin Atlantic, andUnited Airlines from Milwaukee to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Milwaukee to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsIlford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Milwaukee to Heathrow
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Search flights from Milwaukee to Heathrow by cabin class
Find flights from Milwaukee to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Heathrow
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 19, 2026.
Milwaukee and Heathrow flights
Browse other Milwaukee and Heathrow flight options. Last updated on April 19, 2026.
Other flights from Milwaukee
Browse through other flights departing from Milwaukee. Flights are based on user searches made on Cheapflights and were last updated on April 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Milwaukee to Heathrow
Discover the top 5 airlines that operate flights from Milwaukee to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$596 | Average$851 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$603 | Average$881 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$629 | Average$874 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$663 | Average$1,049 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$708 | Average$1,054 | FlexibilityNo cancel fee | On-time69% |