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Cheap flights from Harrisburg to London from £292

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 5/10. 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

Delta Logo
12:33 - 08:45MDT-LHR
15h 12m1 stop
Delta Logo
06:20 - 23:04LHR-MDT
21h 44m2 stops
£384Delta
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Mon, 3 Nov - Tue, 11 Nov
Delta Logo
12:33 - 08:45MDT-LHR
15h 12m1 stop
Delta Logo
09:00 - 23:04LHR-MDT
19h 04m2 stops
£385Delta
Find Deal
Mon, 3 Nov - Tue, 11 Nov
Delta Logo
18:25 - 13:30MDT-LHR
14h 05m1 stop
Delta Logo
08:40 - 23:08LHR-MDT
19h 28m2 stops
£385Delta
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Wed, 15 Oct - Wed, 22 Oct
KLM Logo
18:25 - 13:30MDT-LHR
14h 05m1 stop
KLM Logo
13:05 - 23:08LHR-MDT
15h 03m1 stop
£390KLM
Find Deal
Wed, 15 Oct - Wed, 22 Oct
KLM Logo
12:09 - 08:45MDT-LHR
15h 36m1 stop
KLM Logo
08:55 - 23:14LHR-MDT
19h 19m1 stop
£464KLM
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Thu, 6 Nov - Mon, 10 Nov
United Airlines Logo
06:15 - 06:30MDT-LHR
19h 15m2 stops
United Airlines Logo
07:25 - 09:29LHR-MDT
31h 04m2 stops
£467United Airlines
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Wed, 1 Oct - Wed, 8 Oct
United Airlines Logo
06:15 - 06:30MDT-LHR
19h 15m2 stops
United Airlines Logo
11:30 - 09:29LHR-MDT
26h 59m2 stops
£470United Airlines
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Wed, 1 Oct - Wed, 8 Oct
British Airways Logo
16:56 - 08:05MDT-LHR
10h 09m1 stop
British Airways Logo
19:35 - 16:58LHR-MDT
26h 23m2 stops
£1,120British Airways
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Sat, 11 Oct - Sun, 12 Oct
British Airways Logo
16:56 - 08:05MDT-LHR
10h 09m1 stop
British Airways Logo
12:30 - 19:56LHR-MDT
12h 26m1 stop
£1,146British Airways
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Sat, 11 Oct - Sun, 12 Oct
Multiple Airlines Logo
06:15 - 06:30MDT-LHR
19h 15m2 stops
Multiple Airlines Logo
19:30 - 18:59LHR-MDT
28h 29m2 stops
£1,357Multiple Airlines
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Sat, 11 Oct - Sun, 12 Oct

United Airlines flights from Harrisburg to London Heathrow Airport

Our best United Airlines deals on Harrisburg to London Heathrow Airport flight tickets
United Airlines
1 Oct
MDT06:15Harrisburg
19h 15m
2 stops
LHR06:30London Heathrow
8 Oct
LHR07:25London Heathrow
31h 04m
2 stops
MDT09:29Harrisburg
£467
Find similar
United Airlines
1 Oct
MDT06:15Harrisburg
19h 15m
2 stops
LHR06:30London Heathrow
8 Oct
LHR07:45London Heathrow
16h 14m
2 stops
MDT18:59Harrisburg
£470
Find similar
United Airlines
1 Oct
MDT06:15Harrisburg
19h 15m
2 stops
LHR06:30London Heathrow
8 Oct
LHR12:15London Heathrow
26h 14m
1 stop
MDT09:29Harrisburg
£478
Find similar

KLM flights from Harrisburg to London Heathrow Airport

Our best KLM deals on Harrisburg to London Heathrow Airport flight tickets
KLM
15 Oct
MDT18:25Harrisburg
14h 05m
1 stop
LHR13:30London Heathrow
22 Oct
LHR13:05London Heathrow
15h 03m
1 stop
MDT23:08Harrisburg
£390
Find similar
KLM
6 Nov
MDT12:09Harrisburg
15h 36m
1 stop
LHR08:45London Heathrow
10 Nov
LHR08:55London Heathrow
19h 19m
1 stop
MDT23:14Harrisburg
£464
Find similar
KLM
1 Oct
MDT18:23Harrisburg
14h 07m
1 stop
LHR13:30London Heathrow
8 Oct
LHR09:20London Heathrow
18h 48m
1 stop
MDT23:08Harrisburg
£494
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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 18 September 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

Mon 3/11

12:33-08:45

1 stop15h 12m

London Heathrow

Tue 11/11

06:20-23:04

2 stops21h 44m

£384

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 3/11

12:33-08:45

1 stop15h 12m

London Heathrow

Tue 11/11

09:00-23:04

2 stops19h 04m

£385

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 15/10

18:25-13:30

1 stop14h 05m

London Heathrow

Wed 22/10

08:40-23:08

2 stops19h 28m

£385

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 15/10

18:25-13:30

1 stop14h 05m

London Heathrow

Wed 22/10

13:05-23:08

1 stop15h 03m

£390

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 6/11

12:09-08:45

1 stop15h 36m

London Heathrow

Mon 10/11

08:55-23:14

1 stop19h 19m

£464

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 1/10

06:15-06:30

2 stops19h 15m

London Heathrow

Wed 8/10

07:25-09:29

2 stops31h 04m

£467

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 1/10

06:15-06:30

2 stops19h 15m

London Heathrow

Wed 8/10

11:30-09:29

2 stops26h 59m

£470

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 11/10

16:56-08:05

1 stop10h 09m

London Heathrow

Sun 12/10

19:35-16:58

2 stops26h 23m

£1,120

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 11/10

16:56-08:05

1 stop10h 09m

London Heathrow

Sun 12/10

12:30-19:56

1 stop12h 26m

£1,146

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 11/10

06:15-06:30

2 stops19h 15m

London Heathrow

Sun 12/10

19:30-18:59

2 stops28h 29m

£1,357

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted 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, January 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 £520. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Harrisburg averaging around £539.

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 10h 09m.

  • 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
Luton
Milton Keynes
Maidstone
Gatwick
Slough
Northampton
Swindon
Canterbury
Stratford-upon-Avon
Southend-on-Sea
Ipswich
Ilford
Guildford
Swanage
Poole
Colchester
Worthing
Salisbury
Chelmsford

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.

An easier way to manage your London Heathrow Airport trip

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