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Cheap flights from Harrisburg to London from £244

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LON
31 Aug — 7 Sep1
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 1 August 2026.

Wed 14/1017:10
MDT
-
LHR
2 stops13h 55m
Delta
Fri 23/1009:55
LHR
-
MDT
2 stops18h 03m
Delta
Deal found 1/8£638
Wed 14/1014:00
MDT
-
LHR
1 stop11h 45m
United Airlines
Wed 28/1006:35
LHR
-
MDT
2 stops21h 09m
United Airlines
Deal found 1/8£641
Wed 14/1006:00
MDT
-
LHR
2 stops18h 20m
Delta
Wed 28/1008:40
LHR
-
MDT
2 stops18h 48m
Delta
Deal found 1/8£644
Sun 18/1011:44
MDT
-
LHR
2 stops14h 56m
Delta
Tue 27/1010:00
LHR
-
MDT
2 stops17h 28m
Delta
Deal found 1/8£647
Thu 15/1014:56
MDT
-
LHR
1 stop11h 19m
Delta
Fri 23/1009:55
LHR
-
MDT
2 stops18h 03m
Delta
Deal found 1/8£660
Sat 17/1017:54
MDT
-
LHR
1 stop34h 06m
Lufthansa
Sun 25/1016:20
LHR
-
MDT
1 stop11h 24m
Lufthansa
Deal found 1/8£661
Wed 2/1212:09
MDT
-
LHR
1 stop14h 36m
Delta
Sat 12/1208:40
LHR
-
MDT
2 stops20h 10m
Delta
Deal found 30/7£662
Mon 7/1210:35
MDT
-
LHR
1 stop19h 15m
United Airlines
Wed 9/1213:35
LHR
-
MDT
1 stop12h 45m
United Airlines
Deal found 31/7£664
Wed 30/906:30
MDT
-
LHR
2 stops22h 30m
United Airlines
Sat 10/1006:55
LHR
-
MDT
2 stops21h 34m
United Airlines
Deal found 28/7£665
Wed 2/1218:22
MDT
-
LGW
2 stops16h 23m
Delta
Sat 12/1210:00
LGW
-
MDT
2 stops18h 12m
Delta
Deal found 29/7£671
Wed 2/1218:22
MDT
-
LCY
2 stops17h 13m
Delta
Sat 12/1208:40
LCY
-
MDT
2 stops19h 32m
Delta
Deal found 31/7£684
Tue 18/812:22
MDT
-
LGW
2 stops16h 03m
Delta
Wed 2/910:25
LGW
-
MDT
2 stops18h 18m
Delta
Deal found 30/7£692

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 1 August 2026.

Round-trip from

£638

One-way from

£244

Popular in

December

Cheapest in

November

Average price

£579
Delta
  • Delta
  • 14/10-22/10
  • 3 total stops
  • 35h 59m total
  • Harrisburg to London
Search Deals
Delta
  • Delta
  • 13/9
  • 1 total stop
  • 17h 15m total
  • Harrisburg to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£25 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 1 August 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

Mon 19/10

12:12-09:15

2 stops16h 03m

London Heathrow

Wed 28/10

08:40-23:28

2 stops18h 48m

£644

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 14/10

17:54-11:55

1 stop13h 01m

London Heathrow

Thu 22/10

12:15-23:29

1 stop16h 14m

£659
Fastest return journey

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 7/12

14:30-10:25

2 stops14h 55m

London Heathrow

Wed 9/12

10:25-18:40

1 stop13h 15m

£667

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Wed 2/12

18:25-15:45

2 stops16h 20m

London Gatwick

Sat 12/12

10:00-23:12

2 stops18h 12m

£671

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Wed 2/12

18:22-15:45

2 stops16h 23m

London Gatwick

Sat 12/12

10:00-23:12

2 stops18h 12m

£671

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 23/8

19:59-15:40

2 stops14h 41m

London Heathrow

Sat 5/9

10:50-23:30

2 stops17h 40m

£678

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Wed 2/12

18:22-16:35

2 stops17h 13m

London City

Sat 12/12

08:40-23:12

2 stops19h 32m

£684

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 13/8

06:30-06:45

1 stop19h 15m

London Heathrow

Thu 20/8

06:50-23:30

2 stops21h 40m

£684

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 23/8

11:55-07:15

1 stop14h 20m

London Heathrow

Sat 5/9

08:40-23:21

2 stops19h 41m

£685

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 17/10

17:54-09:00

1 stop34h 06m

London Heathrow

Sun 25/10

07:40-18:57

1 stop15h 17m

£685

Flights are sorted by cheapest return flights first.

Deals found on 30/7

Showing 1-10 of 25 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 £482). Flying from Harrisburg to London in June is currently the most expensive (average of £867). 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 £659, Delta can have you in London from Harrisburg in 13h 01m. 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 £482). Flying from Harrisburg to London in June is currently the most expensive (average of £867). 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?

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Brentford
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Watford
Southend-on-Sea
Enfield
Kingston upon Thames
Southall
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Dover
Romford

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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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