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Cheap flights from Harrisburg to London from £210

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LON
17 Aug — 24 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Harrisburg to London

Enter your travel dates to find the best prices.

Cheapest flights from Harrisburg to London
Explore the most affordable flight options available from Harrisburg to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2026.

Tue 18/811:55
MDT
-
LHR
1 stop13h 30m
Delta
Sun 30/808:40
LHR
-
MDT
2 stops20h 03m
Delta
Deal found 15/7£642
Tue 18/815:04
MDT
-
LHR
1 stop17h 11m
KLM
Mon 31/806:30
LHR
-
MDT
2 stops16h 09m
KLM
Deal found 13/7£643
Tue 18/812:22
MDT
-
LHR
2 stops13h 53m
Delta
Wed 2/908:40
LHR
-
MDT
2 stops20h 03m
Delta
Deal found 13/7£646
Tue 18/818:24
MDT
-
LHR
1 stop11h 56m
Multiple Airlines
Sun 30/806:15
LHR
-
MDT
2 stops16h 24m
Multiple Airlines
Deal found 13/7£648
Wed 30/911:57
MDT
-
LHR
1 stop13h 28m
Multiple Airlines
Sat 10/1008:55
LHR
-
MDT
2 stops19h 48m
Multiple Airlines
Deal found 17/7£649
Wed 2/1218:25
MDT
-
LGW
2 stops16h 20m
Delta
Sat 12/1210:00
LGW
-
MDT
2 stops17h 46m
Delta
Deal found 16/7£651
Wed 2/1218:25
MDT
-
LCY
2 stops17h 10m
Delta
Sat 12/1210:00
LCY
-
MDT
2 stops18h 38m
Delta
Deal found 14/7£664
Tue 18/815:04
MDT
-
LHR
1 stop17h 11m
KLM
Wed 2/909:20
LHR
-
MDT
1 stop19h 23m
KLM
Deal found 13/7£664
Wed 30/906:30
MDT
-
LHR
2 stops21h 05m
United Airlines
Sat 10/1006:50
LHR
-
MDT
2 stops21h 39m
United Airlines
Deal found 17/7£665
Tue 8/917:10
MDT
-
LHR
2 stops14h 55m
Delta
Sat 12/910:45
LHR
-
MDT
2 stops17h 55m
Delta
Deal found 15/7£667
Tue 8/917:10
MDT
-
LHR
2 stops15h 35m
Delta
Sun 13/915:15
LHR
-
MDT
1 stop13h 25m
Delta
Deal found 13/7£668
Sun 23/819:59
MDT
-
LHR
2 stops17h 26m
Lufthansa
Sat 5/909:00
LHR
-
MDT
2 stops19h 30m
Lufthansa
Deal found 15/7£681

Find flight deals from Harrisburg to London

Discover tips and strategies to find the most affordable flight options for your journey from Harrisburg (MDT) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 July 2026.

Round-trip from

£642

One-way from

£210

Popular in

December

Cheapest in

January

Average price

£868
Delta
  • Delta
  • 18/8-2/9
  • 3 total stops
  • 31h 56m total
  • Harrisburg to London
Search Deals
11/10
  • 11/10
  • 1 total stop
  • 32h 21m total
  • Harrisburg to London
Search Deals
High demand for flights, 12% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Harrisburg to London 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, Cheapflights users made 858,174 searches. Data last updated 18 July 2026.
Use the filters below to find and compare flights from Harrisburg to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 2/12

17:00-08:45

1 stop10h 45m

London Heathrow

Sat 12/12

06:30-22:46

2 stops21h 16m

£642
Fastest return journey

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 23/8

12:22-07:10

1 stop13h 48m

London Heathrow

Sat 5/9

06:30-17:39

2 stops16h 09m

£642

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 26/8

11:55-07:15

1 stop14h 20m

London Heathrow

Tue 8/9

06:30-23:15

2 stops21h 45m

£642

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 18/8

12:22-07:15

2 stops13h 53m

London Heathrow

Wed 2/9

08:40-23:43

2 stops20h 03m

£646

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Wed 2/12

18:25-15:45

2 stops16h 20m

London Gatwick

Sat 12/12

10:00-22:46

2 stops17h 46m

£651

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Wed 2/12

18:25-16:35

2 stops17h 10m

London City

Sat 12/12

10:00-23:38

2 stops18h 38m

£664

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 2/12

12:30-08:45

1 stop15h 15m

London Heathrow

Sat 12/12

10:45-23:38

1 stop17h 53m

£664

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 8/9

12:30-13:15

1 stop19h 45m

London Heathrow

Sun 13/9

15:15-23:40

1 stop13h 25m

£664

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Sat 8/8

18:24-16:00

2 stops16h 36m

London Gatwick

Tue 18/8

10:35-23:21

2 stops17h 46m

£711

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Tue 18/8

19:59-17:55

2 stops40h 56m

London City

Wed 2/9

09:15-18:26

2 stops14h 11m

£718

Flights are sorted by cheapest return flights first.

Deals found on 14/7

Showing 1-10 of 45 resultsSorted by cheapest first
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Best time to book a flight from Harrisburg to London

Have a flexible travel schedule? Discover the best time to fly to London from Harrisburg with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Harrisburg to London

What is the cheapest month to book a flight from Harrisburg to London?

Currently, November is the cheapest month in which you can book a flight from Harrisburg to London (average of £483). Flying from Harrisburg to London in June is currently the most expensive (average of £869). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Harrisburg to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Harrisburg to London?

    Most people fly from Harrisburg (MDT) if they book a flight from Harrisburg to London. On average, Harrisburg has 0 outbound flights to London per day from 0 airlines. Harrisburg is conveniently located just 8.5 mi from Harrisburg’s city center.

  • How long is the flight from Harrisburg to London?

    For as low as £642, Delta can have you in London from Harrisburg in 10h 45m. The distance from Harrisburg to London is about 3581 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Harrisburg to London?

    The most popular flight routes from Harrisburg to London are Harrisburg - London Heathrow, Harrisburg - London Gatwick and Harrisburg - London City.

  • Can I find deals for flights from Harrisburg to London that include hotel bookings?

    Yes. In addition to deals on Harrisburg to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Harrisburg to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harrisburg to London.

  • Can I find deals for business class flights from Harrisburg to London?

    Yes. Cheapflights offers flight deals from Harrisburg to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Harrisburg to London?

    Currently, November is the cheapest month in which you can book a flight from Harrisburg to London (average of £483). Flying from Harrisburg to London in June is currently the most expensive (average of £869). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Milton Keynes
Luton
Gatwick
Wembley
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Ilford
Croydon
Hayes
Brentford
Colchester
Watford
Eastbourne
Southend-on-Sea
Kingston upon Thames
Southall
Aylesbury
Romford
Enfield
Borehamwood

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How does Cheapflights help users find flights from Harrisburg to London?

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Why should you use Cheapflights to find cheap flight tickets from Harrisburg to London?

Cheapflights simply makes it quick and affordable to book flights from Harrisburg to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Harrisburg to London with no change fees?

Yes! Cheapflights helps users easily find flights from Harrisburg to London with no change fees.

Can Cheapflights notify me if prices for flights from Harrisburg to London become cheaper?

Of course! You can now track prices for flights from Harrisburg to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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