$400+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
May 7 — May 141
Round-trip
1 adult, Economy
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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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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 7, 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 7, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 4/2. 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 4/2![Scandinavian Airlines logo]()
$832
This Cheapflightsfares deal was found by Cheapflights users on 4/3. 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.
Wed 9/97:00 pm
MKE
- LHR
2 stops16h 40m
Lufthansa
Wed 9/168:25 pm
LHR
- MKE
2 stops24h 39m
Lufthansa
Deal found 4/3![Lufthansa logo]()
$850
This KAYAK deal was found by Cheapflights users on 4/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:10 am
MKE
- LHR
2 stops32h 30m
Scandinavian Airlines
Mon 5/187:50 pm
LHR
- MKE
2 stops32h 02m
Scandinavian Airlines
Deal found 4/6![Scandinavian Airlines logo]()
$853
This Iberia deal was found by Cheapflights users on 4/5. 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 9/283:03 pm
MKE
- LHR
1 stop13h 47m
Iberia
Tue 10/136:15 am
LHR
- MKE
2 stops17h 25m
Iberia
Deal found 4/5![Iberia logo]()
$867
This United Airlines deal was found by Cheapflights users on 4/5. 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 5/43:25 pm
MKE
- LHR
1 stop11h 05m
United Airlines
Tue 5/126:50 am
LHR
- MKE
2 stops13h 37m
United Airlines
Deal found 4/5![United Airlines logo]()
$872
This oojo deal was found by Cheapflights users on 4/6. 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.
Mon 5/44:26 pm
MKE
- LHR
1 stop12h 49m
British Airways
Mon 5/187:25 pm
LHR
- MKE
2 stops34h 15m
British Airways
Deal found 4/6![British Airways logo]()
$873
This United Airlines deal was found by Cheapflights users on 4/5. 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 5/53:25 pm
MKE
- LHR
2 stops12h 35m
United Airlines
Tue 5/126:50 am
LHR
- MKE
2 stops13h 37m
United Airlines
Deal found 4/5![United Airlines logo]()
$875
This Travelocity deal was found by Cheapflights users on 4/5. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:03 pm
MKE
- LHR
1 stop10h 37m
Iberia
Mon 9/2812:20 pm
LHR
- MKE
2 stops37h 17m
Iberia
Deal found 4/5![Iberia logo]()
$878
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 7, 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 7, 2026.
This United Airlines deal was found by Cheapflights users on 4/3. 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 5/49:37 am
MKE
- LHR
2 stops14h 18m
United Airlines
Mon 5/1810:50 am
LHR
- MKE
2 stops15h 58m
United Airlines
Deal found 4/3![United Airlines logo]()
$928
This Virgin Atlantic deal was found by Cheapflights users on 4/3. 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.
Tue 9/11:00 pm
MKE
- LHR
2 stops14h 15m
Virgin Atlantic
Sat 12/1910:45 am
LHR
- MKE
1 stop16h 23m
Virgin Atlantic
Deal found 4/3![Virgin Atlantic logo]()
$1,018
This KLM deal was found by Cheapflights users on 4/6. 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.
Thu 5/212:55 pm
MKE
- LHR
1 stop14h 25m
KLM
Thu 5/2812:25 pm
LHR
- MKE
1 stop13h 22m
KLM
Deal found 4/6![KLM logo]()
$1,162
This Delta deal was found by Cheapflights users on 4/4. 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 7/66:59 pm
MKE
- LHR
1 stop12h 06m
Delta
Mon 7/1312:25 pm
LHR
- MKE
1 stop11h 52m
Delta
Deal found 4/4![Delta logo]()
$1,237
This United Airlines deal was found by Cheapflights users on 4/5. 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.
Sat 8/81:30 pm
MKE
- LHR
2 stops35h 00m
United Airlines
Tue 8/187:25 am
LHR
- MKE
2 stops17h 30m
United Airlines
Deal found 4/5![United Airlines logo]()
$956
This KLM deal was found by Cheapflights users on 4/6. 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.
Tue 7/76:59 pm
MKE
- LHR
1 stop12h 06m
KLM
Wed 7/2912:25 pm
LHR
- MKE
1 stop13h 07m
KLM
Deal found 4/6![KLM logo]()
$1,167
This Delta deal was found by Cheapflights users on 4/3. 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 8/96:30 am
LHR
- MKE
2 stops14h 39m
Delta
Deal found 4/3![Delta logo]()
$1,261
This Delta deal was found by Cheapflights users on 4/4. 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.
Sun 7/126:45 pm
MKE
- LHR
1 stop12h 30m
Delta
Tue 7/143:15 pm
LHR
- MKE
1 stop14h 41m
Delta
Deal found 4/4![Delta logo]()
$1,267
This United Airlines deal was found by Cheapflights users on 4/5. 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 7/92:54 pm
MKE
- LHR
2 stops13h 21m
United Airlines
Sat 7/118:00 am
LHR
- MKE
1 stop20h 39m
United Airlines
Deal found 4/5![United Airlines logo]()
$1,304
This Delta deal was found by Cheapflights users on 4/4. 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 7/112:05 pm
MKE
- LHR
1 stop10h 40m
Delta
Tue 7/1412:25 pm
LHR
- MKE
1 stop11h 52m
Delta
Deal found 4/4![Delta logo]()
$1,327
Last-minute flights from Milwaukee to HeathrowDiscover last-minute flight deals from Milwaukee to Heathrow. Data last updated April 7, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to Heathrow. Data last updated April 7, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 4/6. 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.
Sat 4/116:40 pm
MKE
- LHR
1 stop30h 10m
British Airways
Wed 9/21:10 pm
LHR
- MKE
1 stop12h 47m
British Airways
Deal found 4/6![British Airways logo]()
$906
This Air Canada deal was found by Cheapflights users on 4/4. 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 4/2112:13 pm
MKE
- LHR
2 stops15h 47m
Air Canada
Tue 4/282:05 pm
LHR
- MKE
2 stops32h 42m
Air Canada
Deal found 4/4![Air Canada logo]()
$884
This oojo deal was found by Cheapflights users on 4/4. 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.
Tue 4/216:40 pm
MKE
- LHR
1 stop10h 35m
British Airways
Tue 4/2812:15 pm
LHR
- MKE
1 stop11h 45m
British Airways
Deal found 4/4![British Airways logo]()
$895
This KAYAK deal was found by Cheapflights users on 4/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:10 am
MKE
- LHR
2 stops32h 30m
Scandinavian Airlines
Mon 5/187:50 pm
LHR
- MKE
2 stops32h 02m
Scandinavian Airlines
Deal found 4/6![Scandinavian Airlines logo]()
$853
This United Airlines deal was found by Cheapflights users on 4/5. 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 5/43:25 pm
MKE
- LHR
1 stop11h 05m
United Airlines
Tue 5/126:50 am
LHR
- MKE
2 stops13h 37m
United Airlines
Deal found 4/5![United Airlines logo]()
$872
This oojo deal was found by Cheapflights users on 4/6. 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.
Mon 5/44:26 pm
MKE
- LHR
1 stop12h 49m
British Airways
Mon 5/187:25 pm
LHR
- MKE
2 stops34h 15m
British Airways
Deal found 4/6![British Airways logo]()
$873
This United Airlines deal was found by Cheapflights users on 4/5. 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 5/53:25 pm
MKE
- LHR
2 stops12h 35m
United Airlines
Tue 5/126:50 am
LHR
- MKE
2 stops13h 37m
United Airlines
Deal found 4/5![United Airlines logo]()
$875
This British Airways deal was found by Cheapflights users on 4/6. 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.
Tue 5/54:26 pm
MKE
- LHR
1 stop10h 39m
British Airways
Tue 5/1212:15 pm
LHR
- MKE
1 stop11h 45m
British Airways
Deal found 4/6![British Airways logo]()
$900
This FlightHub deal was found by Cheapflights users on 4/5. 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 5/58:33 am
MKE
- LHR
2 stops15h 57m
Air Canada
Tue 5/129:30 am
LHR
- MKE
2 stops17h 18m
Air Canada
Deal found 4/5![Air Canada logo]()
$907
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 7, 2026.
Search for one-way flight options from Milwaukee to Heathrow. Find affordable one-way fares based on user searches. Data last updated April 7, 2026.
This KLM deal was found by Cheapflights users on 4/5. 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 7/1511:35 am
MKE
- LHR
1 stop13h 10m
KLM
Deal found 4/5![KLM logo]()
$400
This Delta deal was found by Cheapflights users on 4/3. 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.
Thu 9/245:00 pm
MKE
- LHR
2 stops13h 10m
Delta
Deal found 4/3![Delta logo]()
$414
This Cheapflightsfares deal was found by Cheapflights users on 4/3. 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.
Sat 8/19:36 am
MKE
- LHR
1 stop14h 54m
JetBlue
Deal found 4/3![JetBlue logo]()
$429
This KLM deal was found by Cheapflights users on 4/5. 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.
Thu 7/912:56 pm
MKE
- LHR
1 stop11h 29m
KLM
Deal found 4/5![KLM logo]()
$460
This FlightHub deal was found by Cheapflights users on 4/3. 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.
Wed 4/1511:13 am
MKE
- LHR
2 stops14h 52m
Aer Lingus
Deal found 4/3![Aer Lingus logo]()
$506
This KAYAK deal was found by Cheapflights users on 4/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/95:40 am
MKE
- LHR
1 stop18h 45m
Scandinavian Airlines
Deal found 4/5![Scandinavian Airlines logo]()
$510
This FlightHub deal was found by Cheapflights users on 4/5. 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 4/2811:56 am
MKE
- LHR
2 stops22h 04m
Scandinavian Airlines
Deal found 4/5![Scandinavian Airlines logo]()
$514
This Booking.com deal was found by Cheapflights users on 4/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:30 am
MKE
- LHR
2 stops40h 00m
Air Canada
Deal found 4/3![Air Canada logo]()
$517
This United Airlines deal was found by Cheapflights users on 4/5. 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 4/285:37 pm
MKE
- LHR
1 stop12h 18m
United Airlines
Deal found 4/5![United Airlines logo]()
$518
This Air Canada deal was found by Cheapflights users on 4/5. 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 4/289:43 am
MKE
- LHR
3 stops16h 52m
Air Canada
Deal found 4/5![Air Canada logo]()
$527
This Orbitz deal was found by Cheapflights users on 4/6. 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.
Fri 4/175:37 pm
MKE
- LHR
2 stops54h 53m
Air Canada
Deal found 4/6![Air Canada logo]()
$533
This FlightHub deal was found by Cheapflights users on 4/4. 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.
Wed 4/151:53 pm
MKE
- LHR
1 stop11h 47m
British Airways
Deal found 4/4![British Airways logo]()
$541
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 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $850 (Cheapflightsfares) |
One-way from | $400 (Delta) |
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 7, 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
Mon 5/4
9:37 am-5:55 am
2 stops14h 18m
London Heathrow
Mon 5/18
10:50 am-8:48 pm
2 stops15h 58m
$928
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Sat 8/8
1:30 pm-6:30 am
2 stops35h 00m
London Heathrow
Tue 8/18
7:25 am-6:55 pm
2 stops17h 30m
$956
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Tue 9/1
1:00 pm-9:15 am
2 stops14h 15m
London Heathrow
Sat 12/19
10:45 am-9:08 pm
1 stop16h 23m
$1,018
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Thu 5/21
2:55 pm-11:20 am
1 stop14h 25m
London Heathrow
Thu 5/28
12:25 pm-7:47 pm
1 stop13h 22m
$1,162
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Tue 7/7
6:59 pm-1:05 pm
1 stop12h 06m
London Heathrow
Wed 7/29
12:25 pm-7:32 pm
1 stop13h 07m
$1,167
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Mon 7/6
6:59 pm-1:05 pm
1 stop12h 06m
London Heathrow
Mon 7/13
12:25 pm-6:17 pm
1 stop11h 52m
$1,237
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Sat 8/1
4:52 pm-1:15 pm
2 stops14h 23m
London Heathrow
Sun 8/9
6:30 am-3:09 pm
2 stops14h 39m
$1,261
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Sun 7/12
6:45 pm-1:15 pm
1 stop12h 30m
London Heathrow
Tue 7/14
3:15 pm-11:56 pm
1 stop14h 41m
$1,267
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Thu 7/9
2:54 pm-10:15 am
2 stops13h 21m
London Heathrow
Sat 7/11
8:00 am-10:39 pm
1 stop20h 39m
$1,304
Quickest round-trip
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Sat 7/11
2:05 pm-6:45 am
1 stop10h 40m
London Heathrow
Tue 7/14
12:25 pm-6:17 pm
1 stop11h 52m
$1,327
Showing 1-10 of 22 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 3, 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, May is the cheapest month in which you can book a flight from Milwaukee to London Heathrow Airport (average of $391). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of $883). 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 7, 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.
Food
7.2
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.9
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.9
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.9
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.9
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.9
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.9
Comfort
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
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton
Browse thousands of different options on Cheapflights for your next trip
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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 7, 2026.
Milwaukee and Heathrow flights
Browse other Milwaukee and Heathrow flight options. Last updated on April 7, 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 7, 2026.
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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 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$596 | Average$851 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$624 | Average$881 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$629 | Average$861 | 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% |