$318+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
Jun 22 — Jun 291
Round-trip
1 adult, Economy
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Find cheap flights from Milwaukee to Heathrow with Cheapflights
1. Tell us where you want to go
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 May 23, 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 May 23, 2026.
This Orbitz deal was found by Cheapflights users on 5/20. 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.
Mon 10/58:16 pm
MKE
- LHR
1 stop9h 59m
Iberia
Wed 10/146:15 am
LHR
- MKE
2 stops17h 25m
Iberia
Deal found 5/20![Iberia logo]()
$861
This Expedia deal was found by Cheapflights users on 5/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:20 pm
MKE
- LHR
1 stop12h 05m
Air France
Wed 9/306:15 am
LHR
- MKE
2 stops19h 54m
Air France
Deal found 5/18![Air France logo]()
$866
This Justfly.com deal was found by Cheapflights users on 5/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:00 am
MKE
- LHR
2 stops32h 40m
Scandinavian Airlines
Mon 10/197:05 am
LHR
- MKE
2 stops19h 03m
Scandinavian Airlines
Deal found 5/20![Scandinavian Airlines logo]()
$868
This British Airways deal was found by Cheapflights users on 5/20. 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 10/134:49 pm
MKE
- LHR
1 stop10h 16m
British Airways
Tue 10/207:50 am
LHR
- MKE
2 stops17h 50m
British Airways
Deal found 5/20![British Airways logo]()
$869
This oojo deal was found by Cheapflights users on 5/20. 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 10/54:49 pm
MKE
- LHR
1 stop12h 01m
British Airways
Wed 10/1411:10 am
LHR
- MKE
1 stop14h 30m
British Airways
Deal found 5/20![British Airways logo]()
$874
This Delta deal was found by Cheapflights users on 5/19. 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.
Wed 9/232:45 pm
MKE
- LHR
1 stop14h 35m
Delta
Tue 10/139:55 am
LHR
- MKE
2 stops17h 14m
Delta
Deal found 5/19![Delta logo]()
$875
This Delta deal was found by Cheapflights users on 5/20. 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 10/111:00 pm
MKE
- LHR
1 stop12h 10m
Delta
Tue 10/206:30 am
LHR
- MKE
2 stops13h 43m
Delta
Deal found 5/20![Delta logo]()
$876
This Finnair deal was found by Cheapflights users on 5/18. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:41 pm
MKE
- LHR
1 stop10h 34m
Multiple Airlines
Wed 9/3012:35 pm
LHR
- MKE
1 stop16h 43m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$877
This FlightHub deal was found by Cheapflights users on 5/20. 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 10/133:01 pm
MKE
- LHR
1 stop12h 04m
British Airways
Wed 10/217:30 am
LHR
- MKE
2 stops19h 48m
British Airways
Deal found 5/20![British Airways logo]()
$879
This Delta deal was found by Cheapflights users on 5/20. 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.
Tue 10/136:25 pm
MKE
- LHR
2 stops13h 20m
Delta
Tue 10/206:30 am
LHR
- MKE
2 stops15h 37m
Delta
Deal found 5/20![Delta logo]()
$880
This Delta deal was found by Cheapflights users on 5/18. 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.
Wed 9/95:00 pm
MKE
- LHR
2 stops13h 05m
Delta
Wed 9/306:30 am
LHR
- MKE
2 stops16h 12m
Delta
Deal found 5/18![Delta logo]()
$882
This Scandinavian Airlines deal was found by Cheapflights users on 5/19. 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 stops29h 30m
Scandinavian Airlines
Mon 11/96:40 am
LHR
- MKE
2 stops19h 28m
Scandinavian Airlines
Deal found 5/19![Scandinavian Airlines logo]()
$883
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 May 23, 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 May 23, 2026.
This Delta deal was found by Cheapflights users on 5/18. 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.
Wed 7/86:45 am
MKE
- LHR
1 stop18h 00m
Delta
Tue 8/116:30 am
LHR
- MKE
2 stops14h 39m
Delta
Deal found 5/18![Delta logo]()
$1,069
This KLM deal was found by Cheapflights users on 5/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/811:35 am
MKE
- LHR
1 stop13h 10m
KLM
Wed 7/1511:45 am
LHR
- MKE
1 stop13h 39m
KLM
Deal found 5/18![KLM logo]()
$1,098
This Scandinavian Airlines deal was found by Cheapflights users on 5/18. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/811:35 am
MKE
- LHR
3 stops21h 00m
Scandinavian Airlines
Wed 7/157:05 am
LHR
- MKE
2 stops18h 19m
Scandinavian Airlines
Deal found 5/18![Scandinavian Airlines logo]()
$1,159
This Delta deal was found by Cheapflights users on 5/20. 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.
Wed 7/84:49 pm
MKE
- LHR
2 stops14h 26m
Delta
Wed 7/156:30 am
LHR
- MKE
2 stops14h 39m
Delta
Deal found 5/20![Delta logo]()
$1,072
This KLM deal was found by Cheapflights users on 5/22. 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 7/92:59 pm
MKE
- LHR
1 stop14h 21m
KLM
Fri 7/1712:25 pm
LHR
- MKE
1 stop13h 06m
KLM
Deal found 5/22![KLM logo]()
$1,157
This Delta deal was found by Cheapflights users on 5/22. 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 7/92:59 pm
MKE
- LHR
1 stop14h 21m
Delta
Fri 7/178:40 am
LHR
- MKE
2 stops15h 36m
Delta
Deal found 5/22![Delta logo]()
$1,128
This KLM deal was found by Cheapflights users on 5/20. 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.
Fri 7/1011:35 am
MKE
- LHR
1 stop13h 10m
KLM
Fri 7/179:40 am
LHR
- MKE
1 stop14h 37m
KLM
Deal found 5/20![KLM logo]()
$1,157
This Delta deal was found by Cheapflights users on 5/20. 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 7/104:49 pm
MKE
- LHR
2 stops14h 26m
Delta
Fri 7/178:40 am
LHR
- MKE
2 stops15h 36m
Delta
Deal found 5/20![Delta logo]()
$1,132
This Delta deal was found by Cheapflights users on 5/22. 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.
Wed 7/811:35 am
MKE
- LHR
1 stop15h 40m
Delta
Sat 7/186:15 am
LHR
- MKE
2 stops15h 47m
Delta
Deal found 5/22![Delta logo]()
$1,145
Last-minute flights from Milwaukee to HeathrowDiscover last-minute flight deals from Milwaukee to Heathrow. Data last updated May 23, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to Heathrow. Data last updated May 23, 2026 and is based on user searches.
This The Travel House deal was found by Cheapflights users on 5/19. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:41 am
MKE
- LHR
1 stop15h 49m
JetBlue
Wed 6/38:40 am
LHR
- MKE
1 stop29h 11m
JetBlue
Deal found 5/19![JetBlue logo]()
$1,064
This Ovago deal was found by Cheapflights users on 5/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:41 am
MKE
- LHR
1 stop15h 49m
JetBlue
Thu 6/118:40 am
LHR
- MKE
1 stop30h 06m
JetBlue
Deal found 5/19![JetBlue logo]()
$1,200
This FlightHub deal was found by Cheapflights users on 5/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:41 am
MKE
- LHR
2 stops18h 49m
JetBlue
Tue 6/98:40 am
LHR
- MKE
1 stop29h 11m
JetBlue
Deal found 5/18![JetBlue logo]()
$1,168
This FlightHub deal was found by Cheapflights users on 5/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/211:33 am
MKE
- LHR
2 stops24h 07m
Scandinavian Airlines
Tue 6/97:05 am
LHR
- MKE
2 stops18h 18m
Scandinavian Airlines
Deal found 5/18![Scandinavian Airlines logo]()
$1,233
This Justfly.com deal was found by Cheapflights users on 5/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:41 am
MKE
- LHR
1 stop15h 49m
JetBlue
Sat 6/138:40 am
LHR
- MKE
1 stop30h 06m
JetBlue
Deal found 5/19![JetBlue logo]()
$1,173
This Ovago deal was found by Cheapflights users on 5/20. 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 Ovago 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
Mon 6/158:40 am
LHR
- MKE
1 stop30h 06m
JetBlue
Deal found 5/20![JetBlue logo]()
$1,128
This Ovago deal was found by Cheapflights users on 5/20. 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 Ovago 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
Sun 6/148:40 am
LHR
- MKE
1 stop30h 06m
JetBlue
Deal found 5/20![JetBlue logo]()
$1,164
This Ovago deal was found by Cheapflights users on 5/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/139:36 am
MKE
- LHR
1 stop14h 54m
JetBlue
Sun 6/218:40 am
LHR
- MKE
1 stop30h 06m
JetBlue
Deal found 5/19![JetBlue logo]()
$1,228
This Mytrip deal was found by Cheapflights users on 5/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/171:15 pm
MKE
- LHR
3 stops35h 20m
Multiple Airlines
Wed 6/248:50 pm
LHR
- MKE
3 stops31h 31m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$1,226
This KAYAK deal was found by Cheapflights users on 5/21. 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.
Sun 6/217:00 am
MKE
- LHR
2 stops28h 40m
Scandinavian Airlines
Mon 6/297:50 pm
LHR
- MKE
2 stops29h 33m
Scandinavian Airlines
Deal found 5/21![Scandinavian Airlines logo]()
$1,212
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 May 23, 2026.
Search for one-way flight options from Milwaukee to Heathrow. Find affordable one-way fares based on user searches. Data last updated May 23, 2026.
This TravelUp deal was found by Cheapflights users on 5/18. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:49 pm
MKE
- LHR
1 stop13h 26m
British Airways
Deal found 5/18![British Airways logo]()
$318
This oojo deal was found by Cheapflights users on 5/22. 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 9/76:46 pm
MKE
- LHR
1 stop10h 29m
British Airways
Deal found 5/22![British Airways logo]()
$325
This Iberia deal was found by Cheapflights users on 5/20. 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.
Sun 9/273:03 pm
MKE
- LHR
1 stop13h 47m
Iberia
Deal found 5/20![Iberia logo]()
$329
This Delta deal was found by Cheapflights users on 5/20. 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 9/71:00 pm
MKE
- LHR
2 stops15h 20m
Delta
Deal found 5/20![Delta logo]()
$334
This oojo deal was found by Cheapflights users on 5/22. 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 10/98:16 pm
MKE
- LHR
1 stop9h 59m
British Airways
Deal found 5/22![British Airways logo]()
$373
This oojo deal was found by Cheapflights users on 5/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:03 pm
MKE
- LHR
1 stop9h 47m
British Airways
Deal found 5/18![British Airways logo]()
$378
This American Airlines deal was found by Cheapflights users on 5/20. 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.
Thu 9/173:03 pm
MKE
- LHR
1 stop12h 02m
American Airlines
Deal found 5/20![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 5/20. 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 10/95:00 pm
MKE
- LHR
2 stops13h 05m
Delta
Deal found 5/20![Delta logo]()
$384
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 May 23, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $861 (Orbitz) |
One-way from | $318 (TravelUp) |
Popular in | June |
Cheapest in | January |
Average price | $948 |
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 May 23, 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
Wed 7/8
6:45 am-6:45 am
1 stop18h 00m
London Heathrow
Tue 8/11
6:30 am-3:09 pm
2 stops14h 39m
$1,069
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Wed 7/8
4:49 pm-1:15 pm
2 stops14h 26m
London Heathrow
Wed 7/15
6:30 am-3:09 pm
2 stops14h 39m
$1,072
Quickest round-trip
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Wed 7/8
11:35 am-6:45 am
1 stop13h 10m
London Heathrow
Wed 7/15
11:45 am-7:24 pm
1 stop13h 39m
$1,098
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Thu 7/9
2:59 pm-11:20 am
1 stop14h 21m
London Heathrow
Fri 7/17
8:40 am-6:16 pm
2 stops15h 36m
$1,128
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Fri 7/10
4:49 pm-1:15 pm
2 stops14h 26m
London Heathrow
Fri 7/17
8:40 am-6:16 pm
2 stops15h 36m
$1,132
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Wed 7/8
11:35 am-9:15 am
1 stop15h 40m
London Heathrow
Sat 7/18
6:15 am-4:02 pm
2 stops15h 47m
$1,145
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Thu 7/9
2:59 pm-11:20 am
1 stop14h 21m
London Heathrow
Fri 7/17
12:25 pm-7:31 pm
1 stop13h 06m
$1,157
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Fri 7/10
11:35 am-6:45 am
1 stop13h 10m
London Heathrow
Fri 7/17
9:40 am-6:17 pm
1 stop14h 37m
$1,157
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Wed 7/8
11:35 am-2:35 pm
3 stops21h 00m
London Heathrow
Wed 7/15
7:05 am-7:24 pm
2 stops18h 19m
$1,159
Cheapest one-way
MilwaukeeLondon
MKE - LHR
MKELHR
Milwaukee-Mitchell
Mon 9/7
1:17 pm-10:30 am
1 stop15h 13m
$325
Showing 1-10 of 13 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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Milwaukee-London Heathrow Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Milwaukee-London Heathrow Airport flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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
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 $1,351). 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 May 23, 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.
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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
Dorking
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted
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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Complete your trip
Complete your trip to Heathrow by adding a car rental and/or hotel reservation to your travel itinerary.
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 May 23, 2026.
Milwaukee and Heathrow flights
Browse other Milwaukee and Heathrow flight options. Last updated on May 23, 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 May 23, 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 May 23, 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$874 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$659 | Average$1,049 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$708 | Average$1,352 | FlexibilityNo cancel fee | On-time69% |