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Cheap flights from Harrisburg to London from £497

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Harrisburg to London departing on 4/3. 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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Cheap return flights

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KLM Logo
12:10 - 07:50MDT-LHR
14h 40m1 stop
KLM Logo
08:55 - 23:40LHR-MDT
18h 45m1 stop
£497KLM
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Wed, 4 Mar - Sun, 8 Mar
United Airlines Logo
10:40 - 06:40MDT-LHR
15h 00m1 stop
United Airlines Logo
06:50 - 22:08LHR-MDT
20h 18m2 stops
£513United Airlines
Find Deal
Wed, 4 Mar - Sun, 8 Mar
Multiple Airlines Logo
15:16 - 06:35MDT-LHR
10h 19m1 stop
Multiple Airlines Logo
06:15 - 19:27LHR-MDT
18h 12m2 stops
£529Multiple Airlines
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Fri, 27 Feb - Thu, 5 Mar
British Airways Logo
15:16 - 06:35MDT-LHR
10h 19m1 stop
British Airways Logo
10:05 - 19:27LHR-MDT
14h 22m1 stop
£535British Airways
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Fri, 27 Feb - Thu, 5 Mar
Multiple Airlines Logo
13:52 - 21:15MDT-LHR
26h 23m2 stops
Multiple Airlines Logo
08:25 - 20:14LHR-MDT
16h 49m2 stops
£680Multiple Airlines
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Sun, 4 Jan - Tue, 13 Jan
Delta Logo
13:34 - 06:55MDT-LHR
12h 21m2 stops
Delta Logo
08:55 - 17:04LHR-MDT
13h 09m1 stop
£682Delta
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Sun, 4 Jan - Tue, 13 Jan
British Airways Logo
17:02 - 06:50MDT-LHR
8h 48m1 stop
British Airways Logo
09:15 - 19:45LHR-MDT
15h 30m1 stop
£725British Airways
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Fri, 8 May - Sun, 24 May
Delta Logo
12:25 - 07:50MDT-LHR
15h 25m1 stop
Delta Logo
11:30 - 22:47LHR-MDT
16h 17m2 stops
£730Delta
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Fri, 27 Mar - Tue, 31 Mar
American Airlines Logo
18:10 - 11:35MDT-LHR
12h 25m1 stop
American Airlines Logo
10:15 - 20:14LHR-MDT
14h 59m1 stop
£731American Airlines
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Sun, 4 Jan - Tue, 13 Jan
American Airlines Logo
11:21 - 07:20MDT-LHR
14h 59m1 stop
American Airlines Logo
13:30 - 22:59LHR-MDT
14h 29m1 stop
£1,003American Airlines
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Mon, 22 Dec - Sun, 28 Dec

KLM flights from Harrisburg to London Heathrow Airport

Our best KLM deals on Harrisburg to London Heathrow Airport flight tickets
KLM
4 Mar
MDT12:10Harrisburg
14h 40m
1 stop
LHR07:50London Heathrow
8 Mar
LHR08:55London Heathrow
18h 45m
1 stop
MDT23:40Harrisburg
£497
Find similar
KLM
14 Nov
MDT19:12Harrisburg
11h 28m
1 stop
LHR11:40London Heathrow
16 Nov
LHR15:50London Heathrow
31h 26m
1 stop
MDT18:16Harrisburg
£533
Find similar
KLM
24 Apr
MDT18:25Harrisburg
14h 05m
1 stop
LHR13:30London Heathrow
27 Apr
LHR15:15London Heathrow
13h 26m
1 stop
MDT23:41Harrisburg
£797
Find similar

United Airlines flights from Harrisburg to London Heathrow Airport

Our best United Airlines deals on Harrisburg to London Heathrow Airport flight tickets
United Airlines
4 Mar
MDT10:40Harrisburg
15h 00m
1 stop
LHR06:40London Heathrow
8 Mar
LHR06:50London Heathrow
20h 18m
2 stops
MDT22:08Harrisburg
£513
Find similar
United Airlines
27 Feb
MDT14:07Harrisburg
15h 58m
2 stops
LHR11:05London Heathrow
5 Mar
LHR06:50London Heathrow
21h 18m
2 stops
MDT23:08Harrisburg
£516
Find similar
United Airlines
14 Nov
MDT08:15Harrisburg
16h 40m
1 stop
LHR05:55London Heathrow
16 Nov
LHR06:50London Heathrow
19h 14m
2 stops
MDT21:04Harrisburg
£545
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Harrisburg 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 279,928 searches. Data last updated 11 November 2025.
Use the filters below to find and compare flights from Harrisburg to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 4/3

12:10-07:50

1 stop14h 40m

London Heathrow

Sun 8/3

08:55-23:40

1 stop18h 45m

£497

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 4/3

10:40-06:40

1 stop15h 00m

London Heathrow

Sun 8/3

06:50-22:08

2 stops20h 18m

£513

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 27/2

15:16-06:35

1 stop10h 19m

London Heathrow

Thu 5/3

06:15-19:27

2 stops18h 12m

£529

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 27/2

15:16-06:35

1 stop10h 19m

London Heathrow

Thu 5/3

10:05-19:27

1 stop14h 22m

£535

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 4/1

13:52-21:15

2 stops26h 23m

London Heathrow

Tue 13/1

08:25-20:14

2 stops16h 49m

£680

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 4/1

13:34-06:55

2 stops12h 21m

London Heathrow

Tue 13/1

08:55-17:04

1 stop13h 09m

£682

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 8/5

17:02-06:50

1 stop8h 48m

London Heathrow

Sun 24/5

09:15-19:45

1 stop15h 30m

£725

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 27/3

12:25-07:50

1 stop15h 25m

London Heathrow

Tue 31/3

11:30-22:47

2 stops16h 17m

£730

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 4/1

18:10-11:35

1 stop12h 25m

London Heathrow

Tue 13/1

10:15-20:14

1 stop14h 59m

£731

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 22/12

11:21-07:20

1 stop14h 59m

London Heathrow

Sun 28/12

13:30-22:59

1 stop14h 29m

£1,003

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Harrisburg 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 month to fly to London Heathrow Airport?

In general, November is the cheapest month to fly from Harrisburg to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £403. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Harrisburg averaging around £520.

When to book flights from Harrisburg to London Heathrow Airport

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

Cheap Harrisburg to London Heathrow Airport (MDT to LHR) flight deals and tips

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

Direct flights

None
There are no direct flights from Harrisburg to London Heathrow Airport. There are no popular flight routes from Harrisburg to London Heathrow Airport.
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  • How far is Harrisburg to London Heathrow by plane?

    Harrisburg and London Heathrow are 3582.5 mi apart from one another. By plane, this route typically takes 8h 48m.

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

    Prices for flights from Harrisburg Airport to London Heathrow Airport are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Harrisburg 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Northampton
Swindon
Canterbury
Stratford-upon-Avon
Southend-on-Sea
Ipswich
Ilford
Poole
Guildford
Swanage
Dover
Colchester
Chelmsford
Hayes

Why use momondo?

Why should I use momondo to find a flight deal from Harrisburg 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 Harrisburg.

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

All flight searches from Harrisburg to London on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Harrisburg to London.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Harrisburg and alert you when they change.

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