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Cheap flights from Monroe to London from $629

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Monroe to London departing on 2/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Monroe to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
1:01 pm - 11:40 am
MLU
-
LHR
16h 39m1 stop
KLM Logo
6:30 am - 4:35 pm
LHR
-
MLU
16h 05m2 stops
$629KLM
Thu, Feb 5 - Thu, Feb 12
Delta Logo
6:15 am - 6:55 am
MLU
-
LHR
18h 40m2 stops
Delta Logo
6:30 am - 4:35 pm
LHR
-
MLU
16h 05m2 stops
$634Delta
Thu, Feb 5 - Thu, Feb 12
Multiple Airlines Logo
2:21 pm - 12:15 pm
MLU
-
LHR
15h 54m1 stop
Multiple Airlines Logo
3:00 pm - 9:32 am
LHR
-
MLU
24h 32m1 stop
$657Multiple Airlines
Thu, Feb 5 - Thu, Feb 12
Delta Logo
1:06 pm - 6:25 am
MLU
-
LHR
12h 19m1 stop
Delta Logo
8:55 am - 10:18 pm
LHR
-
MLU
19h 23m2 stops
$733Delta
Tue, Mar 17 - Sat, Apr 4
Delta Logo
6:02 am - 7:05 am
MLU
-
LHR
20h 03m2 stops
Delta Logo
8:55 am - 10:18 pm
LHR
-
MLU
19h 23m2 stops
$738Delta
Tue, Mar 17 - Sat, Apr 4
Delta Logo
6:02 am - 6:45 am
MLU
-
LHR
18h 43m1 stop
Delta Logo
6:15 am - 10:08 pm
LHR
-
MLU
21h 53m2 stops
$751Delta
Fri, Apr 24 - Sat, May 9
KLM Logo
6:02 am - 11:40 am
MLU
-
LHR
24h 38m1 stop
KLM Logo
1:05 pm - 10:18 pm
LHR
-
MLU
15h 13m1 stop
$755KLM
Tue, Mar 17 - Sat, Apr 4
Multiple Airlines Logo
10:10 am - 10:55 am
MLU
-
LHR
18h 45m1 stop
Multiple Airlines Logo
12:55 pm - 9:54 pm
LHR
-
MLU
14h 59m1 stop
$773Multiple Airlines
Thu, Apr 16 - Sat, May 2
KLM Logo
5:20 pm - 11:10 am
MLU
-
LHR
11h 50m1 stop
KLM Logo
12:25 pm - 10:20 pm
LHR
-
MLU
15h 55m2 stops
$777KLM
Thu, Apr 16 - Sat, May 2

KLM flights from Monroe to London Heathrow Airport

Our best KLM deals on Monroe to London Heathrow Airport flight tickets
KLM
Feb 5
MLU1:01 pmMonroe Huenefeld
16h 39m
1 stop
LHR11:40 amLondon Heathrow
Feb 12
LHR6:30 amLondon Heathrow
16h 05m
2 stops
MLU4:35 pmMonroe Huenefeld
$629
Find similar
KLM
Mar 17
MLU6:02 amMonroe Huenefeld
24h 38m
1 stop
LHR11:40 amLondon Heathrow
Apr 4
LHR1:05 pmLondon Heathrow
15h 13m
1 stop
MLU10:18 pmMonroe Huenefeld
$755
Find similar
KLM
Apr 16
MLU5:20 pmMonroe Huenefeld
11h 50m
1 stop
LHR11:10 amLondon Heathrow
May 2
LHR12:25 pmLondon Heathrow
15h 55m
2 stops
MLU10:20 pmMonroe Huenefeld
$777
Find similar

Delta flights from Monroe to London Heathrow Airport

Our best Delta deals on Monroe to London Heathrow Airport flight tickets
Delta
Feb 5
MLU6:15 amMonroe Huenefeld
18h 40m
2 stops
LHR6:55 amLondon Heathrow
Feb 12
LHR6:30 amLondon Heathrow
16h 05m
2 stops
MLU4:35 pmMonroe Huenefeld
$634
Find similar
Delta
Mar 17
MLU1:06 pmMonroe Huenefeld
12h 19m
1 stop
LHR6:25 amLondon Heathrow
Apr 4
LHR8:55 amLondon Heathrow
19h 23m
2 stops
MLU10:18 pmMonroe Huenefeld
$733
Find similar
Delta
Mar 17
MLU6:02 amMonroe Huenefeld
20h 03m
2 stops
LHR7:05 amLondon Heathrow
Apr 4
LHR8:55 amLondon Heathrow
19h 23m
2 stops
MLU10:18 pmMonroe Huenefeld
$738
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Monroe to London Heathrow Airport 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, momondo users made 832,500 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Monroe to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Thu 2/5

1:01 pm-11:40 am

1 stop16h 39m

London Heathrow

Thu 2/12

6:30 am-4:35 pm

2 stops16h 05m

$629

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Thu 2/5

6:15 am-6:55 am

2 stops18h 40m

London Heathrow

Thu 2/12

6:30 am-4:35 pm

2 stops16h 05m

$634

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Thu 2/5

2:21 pm-12:15 pm

1 stop15h 54m

London Heathrow

Thu 2/12

3:00 pm-9:32 am

1 stop24h 32m

$657

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Tue 3/17

1:06 pm-6:25 am

1 stop12h 19m

London Heathrow

Sat 4/4

8:55 am-10:18 pm

2 stops19h 23m

$733

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Tue 3/17

6:02 am-7:05 am

2 stops20h 03m

London Heathrow

Sat 4/4

8:55 am-10:18 pm

2 stops19h 23m

$738

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Fri 4/24

6:02 am-6:45 am

1 stop18h 43m

London Heathrow

Sat 5/9

6:15 am-10:08 pm

2 stops21h 53m

$751

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Tue 3/17

6:02 am-11:40 am

1 stop24h 38m

London Heathrow

Sat 4/4

1:05 pm-10:18 pm

1 stop15h 13m

$755

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Thu 4/16

10:10 am-10:55 am

1 stop18h 45m

London Heathrow

Sat 5/2

12:55 pm-9:54 pm

1 stop14h 59m

$773

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Thu 4/16

5:20 pm-11:10 am

1 stop11h 50m

London Heathrow

Sat 5/2

12:25 pm-10:20 pm

2 stops15h 55m

$777

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to London from

How to get the cheapest flight ticket from Monroe to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Monroe to London Heathrow Airport in the afternoon for as low as $827. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $878.

When to book flights from Monroe to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Monroe to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Monroe to London Heathrow Airport (MLU to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Monroe to London Heathrow Airport

Fastest flight time

12h 19m

Direct flights

None
The fastest flight from Monroe to London Heathrow Airport takes 12h 19m
There are no direct flights from Monroe to London Heathrow Airport. There are no popular flight routes from Monroe to London Heathrow Airport.
Search flight deals

  • How far is Monroe Huenefeld to London Heathrow by plane?

    The distance between Monroe Huenefeld and London Heathrow is about 4563.7 mi. Flights usually cover this in 12h 19m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Monroe Huenefeld Airport to London Heathrow Airport?

    Prices for flights from Monroe Huenefeld Airport to London Heathrow Airport refresh daily.

  • How old do you have to be to fly from Monroe Huenefeld Airport to London Heathrow Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Monroe Huenefeld Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Stratford-upon-Avon
Crawley
Brentwood
Salisbury
Watford
Wembley
Cobham
Folkestone
Romford
Richmond
Uxbridge

Why use momondo?

Why should I use momondo to find a flight deal from Monroe to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Monroe.

Can I find flights from Monroe to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Monroe which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Monroe to London?

momondo helps you find the best flight between Monroe and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Monroe to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Monroe. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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