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Cheap flights from Harrisburg to London from £271

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 30/3. 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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Find the cheapest flights from Harrisburg to London

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
15:03 - 07:50
MDT
-
LHR
11h 47m1 stop
British Airways Logo
19:05 - 20:14
LHR
-
MDT
30h 09m2 stops
£443British Airways
Wed, 21 Jan - Mon, 26 Jan
British Airways Logo
15:03 - 14:55
MDT
-
LHR
18h 52m2 stops
British Airways Logo
11:25 - 20:14
LHR
-
MDT
37h 49m2 stops
£447British Airways
Wed, 21 Jan - Mon, 26 Jan
Delta Logo
06:34 - 09:00
MDT
-
LHR
21h 26m1 stop
Delta Logo
06:30 - 23:00
LHR
-
MDT
21h 30m2 stops
£451Delta
Sun, 22 Feb - Sun, 1 Mar
Delta Logo
06:00 - 07:05
MDT
-
LHR
20h 05m2 stops
Delta Logo
06:30 - 23:00
LHR
-
MDT
21h 30m2 stops
£455Delta
Sun, 22 Feb - Sun, 1 Mar
United Airlines Logo
14:07 - 11:15
MDT
-
LHR
16h 08m1 stop
United Airlines Logo
06:50 - 10:00
LHR
-
MDT
31h 10m2 stops
£469United Airlines
Fri, 6 Mar - Sat, 14 Mar
British Airways Logo
14:59 - 07:50
MDT
-
LHR
11h 51m1 stop
British Airways Logo
13:10 - 19:10
LHR
-
MDT
11h 00m1 stop
£470British Airways
Sun, 22 Feb - Sun, 1 Mar
British Airways Logo
15:03 - 07:50
MDT
-
LHR
11h 47m1 stop
British Airways Logo
10:15 - 20:14
LHR
-
MDT
14h 59m1 stop
£472British Airways
Wed, 21 Jan - Mon, 26 Jan
United Airlines Logo
06:29 - 17:05
MDT
-
LHR
29h 36m2 stops
United Airlines Logo
06:50 - 09:37
LHR
-
MDT
31h 47m2 stops
£475United Airlines
Sat, 21 Feb - Sat, 28 Feb
United Airlines Logo
17:40 - 05:55
MDT
-
LHR
31h 15m1 stop
United Airlines Logo
07:30 - 18:40
LHR
-
MDT
16h 10m2 stops
£478United Airlines
Sun, 22 Feb - Sun, 1 Mar
British Airways Logo
15:03 - 07:50
MDT
-
LHR
11h 47m1 stop
British Airways Logo
19:05 - 20:14
LHR
-
MDT
30h 09m2 stops
£480British Airways
Fri, 23 Jan - Mon, 26 Jan

Delta flights from Harrisburg to London Heathrow Airport

Our best Delta deals on Harrisburg to London Heathrow Airport flight tickets
Delta
22 Feb
MDT06:34Harrisburg
21h 26m
1 stop
LHR09:00London Heathrow
1 Mar
LHR06:30London Heathrow
21h 30m
2 stops
MDT23:00Harrisburg
£451
Delta
22 Feb
MDT06:00Harrisburg
20h 05m
2 stops
LHR07:05London Heathrow
1 Mar
LHR06:30London Heathrow
21h 30m
2 stops
MDT23:00Harrisburg
£455
Delta
20 Jan
MDT06:10Harrisburg
19h 10m
2 stops
LHR06:20London Heathrow
25 Jan
LHR06:30London Heathrow
21h 26m
2 stops
MDT22:56Harrisburg
£489

British Airways flights from Harrisburg to London Heathrow Airport

Our best British Airways deals on Harrisburg to London Heathrow Airport flight tickets
British Airways
21 Jan
MDT15:03Harrisburg
11h 47m
1 stop
LHR07:50London Heathrow
26 Jan
LHR19:05London Heathrow
30h 09m
2 stops
MDT20:14Harrisburg
£443
British Airways
21 Jan
MDT15:03Harrisburg
18h 52m
2 stops
LHR14:55London Heathrow
26 Jan
LHR11:25London Heathrow
37h 49m
2 stops
MDT20:14Harrisburg
£447
British Airways
22 Feb
MDT14:59Harrisburg
11h 51m
1 stop
LHR07:50London Heathrow
1 Mar
LHR13:10London Heathrow
11h 00m
1 stop
MDT19:10Harrisburg
£470

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 9 January 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

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 21/1

15:03-07:50

1 stop11h 47m

London Heathrow

Mon 26/1

19:05-20:14

2 stops30h 09m

£443

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 21/1

15:03-14:55

2 stops18h 52m

London Heathrow

Mon 26/1

11:25-20:14

2 stops37h 49m

£447

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 22/2

06:34-09:00

1 stop21h 26m

London Heathrow

Sun 1/3

06:30-23:00

2 stops21h 30m

£451

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 22/2

06:00-07:05

2 stops20h 05m

London Heathrow

Sun 1/3

06:30-23:00

2 stops21h 30m

£455

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 6/3

14:07-11:15

1 stop16h 08m

London Heathrow

Sat 14/3

06:50-10:00

2 stops31h 10m

£469

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 22/2

14:59-07:50

1 stop11h 51m

London Heathrow

Sun 1/3

13:10-19:10

1 stop11h 00m

£470

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 21/1

15:03-07:50

1 stop11h 47m

London Heathrow

Mon 26/1

10:15-20:14

1 stop14h 59m

£472

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 21/2

06:29-17:05

2 stops29h 36m

London Heathrow

Sat 28/2

06:50-09:37

2 stops31h 47m

£475

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 22/2

17:40-05:55

1 stop31h 15m

London Heathrow

Sun 1/3

07:30-18:40

2 stops16h 10m

£478

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 23/1

15:03-07:50

1 stop11h 47m

London Heathrow

Mon 26/1

19:05-20:14

2 stops30h 09m

£480

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 £395. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Harrisburg averaging around £557.

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

9h 29m

Direct flights

None
The fastest flight from Harrisburg to London Heathrow Airport takes 9h 29m
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

  • 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 9h 29m.

  • 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
Stratford-upon-Avon
Southend-on-Sea
Canterbury
Ipswich
Ilford
Poole
Guildford
Chelmsford
Hayes
Swanage
Dover
Worthing

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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