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Cheap flights from Harrisburg to London from £242

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Harrisburg to London departing on 27/7. 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 Harrisburg to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:56 - 13:15
MDT
-
LHR
17h 19m
1 stop
Multiple Airlines Logo
06:15 - 16:08
LHR
-
MDT
14h 53m
2 stops
£536Multiple Airlines
Tue, 18 Aug - Wed, 2 Sep
Delta Logo
12:30 - 10:20
MDT
-
LHR
16h 50m
2 stops
Delta Logo
08:40 - 23:40
LHR
-
MDT
20h 00m
2 stops
£539Delta
Wed, 26 Aug - Tue, 8 Sep
KLM Logo
14:56 - 13:15
MDT
-
LHR
17h 19m
1 stop
KLM Logo
11:15 - 23:40
LHR
-
MDT
17h 25m
1 stop
£540KLM
Tue, 18 Aug - Wed, 2 Sep
Delta Logo
06:10 - 06:25
MDT
-
LHR
19h 15m
2 stops
Delta Logo
09:20 - 22:44
LHR
-
MDT
18h 24m
2 stops
£544Delta
Sat, 12 Sep - Fri, 18 Sep
KLM Logo
14:56 - 11:20
MDT
-
LHR
15h 24m
1 stop
KLM Logo
06:30 - 17:27
LHR
-
MDT
15h 57m
2 stops
£632KLM
Mon, 21 Sep - Tue, 29 Sep
Delta Logo
12:25 - 07:15
MDT
-
LHR
13h 50m
1 stop
Delta Logo
15:15 - 23:40
LHR
-
MDT
13h 25m
1 stop
£637Delta
Wed, 26 Aug - Tue, 8 Sep
Lufthansa Logo
19:59 - 18:25
MDT
-
LHR
17h 26m
2 stops
Lufthansa Logo
10:50 - 23:25
LHR
-
MDT
17h 35m
2 stops
£649Lufthansa
Tue, 18 Aug - Wed, 2 Sep
Lufthansa Logo
19:59 - 18:25
MDT
-
LHR
17h 26m
2 stops
Lufthansa Logo
10:50 - 23:25
LHR
-
MDT
17h 35m
2 stops
£650Lufthansa
Tue, 18 Aug - Wed, 2 Sep
British Airways Logo
12:11 - 07:50
MDT
-
LHR
14h 39m
1 stop
British Airways Logo
09:15 - 21:35
LHR
-
MDT
17h 20m
2 stops
£651British Airways
Tue, 18 Aug - Wed, 2 Sep
British Airways Logo
12:11 - 07:50
MDT
-
LHR
14h 39m
1 stop
British Airways Logo
06:15 - 23:12
LHR
-
MDT
21h 57m
2 stops
£651British Airways
Tue, 8 Sep - Wed, 23 Sep

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Lufthansa flights from Harrisburg to London Heathrow Airport

Our best Lufthansa deals on Harrisburg to London Heathrow Airport flight tickets
Lufthansa
18 Aug
MDT19:59Harrisburg
17h 26m
2 stops
LHR18:25London Heathrow
2 Sept
LHR10:50London Heathrow
17h 35m
2 stops
MDT23:25Harrisburg
£649
Lufthansa
18 Aug
MDT19:59Harrisburg
17h 26m
2 stops
LHR18:25London Heathrow
2 Sept
LHR10:50London Heathrow
17h 35m
2 stops
MDT23:25Harrisburg
£650

British Airways flights from Harrisburg to London Heathrow Airport

Our best British Airways deals on Harrisburg to London Heathrow Airport flight tickets
British Airways
18 Aug
MDT12:11Harrisburg
14h 39m
1 stop
LHR07:50London Heathrow
2 Sept
LHR09:15London Heathrow
17h 20m
2 stops
MDT21:35Harrisburg
£651
British Airways
8 Sept
MDT12:11Harrisburg
17h 09m
1 stop
LHR10:20London Heathrow
23 Sept
LHR06:15London Heathrow
19h 30m
2 stops
MDT20:45Harrisburg
£651
British Airways
8 Sept
MDT14:26Harrisburg
19h 29m
2 stops
LHR14:55London Heathrow
23 Sept
LHR06:15London Heathrow
19h 30m
2 stops
MDT20:45Harrisburg
£655

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 2 May 2026.
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

Cheapest return flight

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 18/8

14:56-13:15

1 stop17h 19m

London Heathrow

Wed 2/9

06:15-16:08

2 stops14h 53m

£536

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 26/8

12:30-10:20

2 stops16h 50m

London Heathrow

Tue 8/9

08:40-23:40

2 stops20h 00m

£539

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 18/8

14:56-13:15

1 stop17h 19m

London Heathrow

Wed 2/9

11:15-23:40

1 stop17h 25m

£540

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 12/9

06:10-06:25

2 stops19h 15m

London Heathrow

Fri 18/9

09:20-22:44

2 stops18h 24m

£544

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 21/9

14:56-11:20

1 stop15h 24m

London Heathrow

Tue 29/9

06:30-17:27

2 stops15h 57m

£632
Fastest return journey

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 26/8

12:25-07:15

1 stop13h 50m

London Heathrow

Tue 8/9

15:15-23:40

1 stop13h 25m

£637

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 18/8

19:59-18:25

2 stops17h 26m

London Heathrow

Wed 2/9

10:50-23:25

2 stops17h 35m

£649

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 18/8

19:59-18:25

2 stops17h 26m

London Heathrow

Wed 2/9

10:50-23:25

2 stops17h 35m

£650

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 18/8

12:11-07:50

1 stop14h 39m

London Heathrow

Wed 2/9

09:15-21:35

2 stops17h 20m

£651

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 8/9

12:11-07:50

1 stop14h 39m

London Heathrow

Wed 23/9

06:15-23:12

2 stops21h 57m

£651

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

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 typical price of a round-trip flight between Harrisburg and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

In general, April 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 £0. The month of November is another great option to travel to London Heathrow Airport, with average flight prices from Harrisburg averaging around £390.

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

Fastest flight time

10h 37m

Direct flights

None
The fastest flight from Harrisburg to London Heathrow Airport takes 10h 37m
There are no direct flights from Harrisburg to London Heathrow Airport. There are no popular flight routes from Harrisburg to London Heathrow Airport.
Search flight deals

Frequently asked questions about flying from Harrisburg to London Heathrow Airport

  • 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 10h 37m.

  • 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
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Slough
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Maidstone
Northampton
Swindon
Ipswich
Southend-on-Sea
Ilford
Canterbury
Guildford
Hayes
Poole
Chelmsford
Folkestone
Dover

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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