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Heathrow

$631+ Cheap flights from Monroe (MLU) to Heathrow (LHR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
MLU — LHR
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Monroe to Heathrow

Cheapest flights from Monroe to Heathrow
Explore the most affordable flight options available from Monroe to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Delta deal was found by Cheapflights users on 1/24. 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 2/216:02 am
MLU
-
LHR
1 stop18h 23m
Delta
Tue 3/36:30 am
LHR
-
MLU
2 stops21h 47m
Delta
Deal found 1/24$631
This Delta deal was found by Cheapflights users on 1/24. 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 2/216:02 am
MLU
-
LHR
2 stops22h 38m
Delta
Wed 3/46:30 am
LHR
-
MLU
2 stops16h 05m
Delta
Deal found 1/24$636
This Delta deal was found by Cheapflights users on 1/24. 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 2/216:02 am
MLU
-
LHR
1 stop18h 23m
Delta
Sun 3/16:20 am
LHR
-
MLU
2 stops21h 57m
Delta
Deal found 1/24$637
This Delta deal was found by Cheapflights users on 1/24. 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 2/226:02 am
MLU
-
LHR
2 stops19h 38m
Delta
Fri 3/66:30 am
LHR
-
MLU
2 stops21h 47m
Delta
Deal found 1/24$641
This Delta deal was found by Cheapflights users on 1/24. 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 2/2112:56 pm
MLU
-
LHR
1 stop11h 29m
Delta
Thu 3/58:55 am
LHR
-
MLU
1 stop13h 40m
Delta
Deal found 1/24$659
This Delta deal was found by Cheapflights users on 1/24. 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 2/11:01 pm
MLU
-
LHR
1 stop12h 49m
Delta
Wed 2/116:30 am
LHR
-
MLU
2 stops21h 51m
Delta
Deal found 1/24$695
This Delta deal was found by Cheapflights users on 1/24. 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 2/16:15 am
MLU
-
LHR
2 stops18h 40m
Delta
Tue 2/106:30 am
LHR
-
MLU
2 stops16h 05m
Delta
Deal found 1/24$700
This KLM deal was found by Cheapflights users on 1/23. 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 4/241:00 pm
MLU
-
LHR
1 stop11h 25m
Multiple Airlines
Tue 4/286:15 am
LHR
-
MLU
2 stops16h 18m
Multiple Airlines
Deal found 1/23$703
This Virgin Atlantic deal was found by Cheapflights users on 1/23. 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.
Fri 4/241:00 pm
MLU
-
LHR
2 stops16h 20m
Virgin Atlantic
Tue 4/286:15 am
LHR
-
MLU
2 stops16h 18m
Virgin Atlantic
Deal found 1/23$708
This Delta deal was found by Cheapflights users on 1/24. 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 2/1712:56 pm
MLU
-
LHR
1 stop11h 29m
Delta
Thu 3/58:55 am
LHR
-
MLU
1 stop13h 40m
Delta
Deal found 1/24$723
This American Airlines deal was found by Cheapflights users on 1/23. 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 4/2412:47 pm
MLU
-
LHR
1 stop13h 18m
American Airlines
Tue 4/2811:10 am
LHR
-
MLU
2 stops17h 23m
American Airlines
Deal found 1/23$729

Find flight deals from Monroe to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Monroe (MLU) 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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$631
(Delta)
Provider with most accurate pricing for Monroe Huenefeld-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Monroe Huenefeld-London Heathrow flights.
Search Deals
From Monroe Huenefeld to London Heathrow
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Monroe 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 January 26, 2026.
Use the filters below to find and compare flights from Monroe to London Heathrow Airport that are best for you.

Fly from

Monroe

Fly to

Heathrow

Route

Depart

Return

Price

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Sat 2/21

6:02 am-6:25 am

1 stop18h 23m

London Heathrow

Mon 3/2

6:30 am-10:17 pm

2 stops21h 47m

$631

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Sun 2/22

5:24 pm-7:50 am

1 stop32h 26m

London Heathrow

Fri 3/6

8:40 am-10:17 pm

2 stops19h 37m

$631

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Sun 2/22

12:56 pm-6:25 am

1 stop11h 29m

London Heathrow

Tue 3/3

8:40 am-10:17 pm

2 stops19h 37m

$631

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Sun 2/22

12:56 pm-6:25 am

1 stop11h 29m

London Heathrow

Wed 3/4

6:30 am-4:35 pm

2 stops16h 05m

$631

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Mon 2/23

5:24 pm-11:40 am

1 stop12h 16m

London Heathrow

Mon 3/2

6:30 am-10:17 pm

2 stops21h 47m

$631

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Mon 2/23

6:02 am-11:40 am

1 stop23h 38m

London Heathrow

Tue 3/3

6:30 am-4:35 pm

2 stops16h 05m

$631

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Sat 2/21

6:02 am-6:25 am

1 stop18h 23m

London Heathrow

Tue 3/3

6:30 am-10:17 pm

2 stops21h 47m

$631

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Mon 2/23

6:02 am-8:05 am

2 stops20h 03m

London Heathrow

Wed 3/4

6:30 am-4:35 pm

2 stops16h 05m

$636

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Sat 2/21

6:02 am-10:40 am

2 stops22h 38m

London Heathrow

Wed 3/4

6:30 am-4:35 pm

2 stops16h 05m

$636

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Mon 2/23

6:02 am-8:05 am

2 stops20h 03m

London Heathrow

Fri 3/6

6:30 am-10:17 pm

2 stops21h 47m

$636

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Compare providers for flights from Monroe 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 Monroe to Heathrow in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Monroe-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 Monroe-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Monroe-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Monroe-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 Monroe-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 Monroe to Heathrow

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

What is the cheapest month to book a flight from Monroe to London Heathrow Airport?

Currently, September is the cheapest month in which you can book a flight from Monroe to London Heathrow Airport (average of $658). Flying from Monroe to London Heathrow Airport in June is currently the most expensive (average of $1,632). 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.

Related info for your journey

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

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

    Monroe Huenefeld (MLU), located 4.4 mi from the city center, is the airport you fly out of when you book flights from Monroe to London Heathrow. 0 airlines have flights from Huenefeld to London Heathrow on a regular basis. Booking flights from Monroe Huenefeld to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

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

    Airlines like Delta fly from Monroe to London Heathrow Airport in about 18h 23m. The time it takes to get you to your destination can typically vary by up to . The distance from Monroe to London Heathrow Airport is about 4561 mi.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Monroe to London Heathrow Airport?

    Currently, September is the cheapest month in which you can book a flight from Monroe to London Heathrow Airport (average of $658). Flying from Monroe to London Heathrow Airport in June is currently the most expensive (average of $1,632). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

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