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Cheap flights from Harrisburg to London from £381

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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LON
20 Jan — 27 Jan1
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 21 December 2025.

Thu 25/1215:00MDT - LHR
1 stop10h 40mUnited Airlines
Thu 1/107:30LHR - MDT
2 stops16h 28mUnited Airlines
Deal found 20/12£898
Sun 21/1210:30MDT - LHR
2 stops14h 25mUnited Airlines
Wed 31/1207:30LHR - MDT
2 stops16h 28mUnited Airlines
Deal found 20/12£945

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 21 December 2025.

Round-trip from

£452

One-way from

£381

Popular in

July

Cheapest in

January

Average price

£646
Lufthansa
  • Lufthansa
  • 27/1-1/2
  • 2 total stops
  • 27h 16m total
  • Harrisburg to London
Search Deals
British Airways
  • British Airways
  • 11/1
  • 1 total stop
  • 10h 32m total
  • Harrisburg to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£54 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 21 December 2025.
Use the filters below to find and compare flights from Harrisburg to London that are best for you.

Fly from

Harrisburg

Fly to

London

Route

Depart

Return

Price

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 27/1

14:28-10:50

1 stop15h 22m

London Heathrow

Sun 1/2

12:05-18:59

1 stop11h 54m

£452

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 11/2

15:10-11:15

1 stop15h 05m

London Heathrow

Sun 15/2

06:50-09:37

2 stops31h 47m

£470

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 3/2

14:28-10:50

1 stop15h 22m

London Heathrow

Tue 10/2

06:50-18:59

2 stops17h 09m

£516

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 24/4

17:02-10:20

1 stop12h 18m

London Heathrow

Mon 27/4

20:15-16:32

2 stops25h 17m

£537

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Fri 24/4

17:02-11:30

2 stops13h 28m

London City

Mon 27/4

19:55-16:32

2 stops25h 37m

£735

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Tue 27/1

15:08-14:05

2 stops17h 57m

London City

Sun 1/2

19:15-20:14

2 stops29h 59m

£756

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Fri 24/4

17:02-20:00

2 stops21h 58m

London Gatwick

Mon 27/4

20:40-22:00

2 stops30h 20m

£832

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Tue 27/1

15:08-19:00

2 stops22h 52m

London Gatwick

Sun 1/2

11:45-20:14

2 stops37h 29m

£914

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Sun 4/1

13:52-16:25

2 stops21h 33m

London City

Tue 13/1

19:15-20:14

2 stops29h 59m

£956

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Sun 4/1

13:52-19:00

2 stops24h 08m

London Gatwick

Tue 13/1

11:45-20:14

2 stops37h 29m

£1,395

Flights are sorted by cheapest return flights first.

Deals found on 20/12

Showing 1-10 of 14 results
1
2

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, July is the cheapest month in which you can book a flight from Harrisburg to London (average of £217). Flying from Harrisburg to London in June is currently the most expensive (average of £542). 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.

How much does it cost for a return flight from Harrisburg to London?

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 £735, Lufthansa can have you in London from Harrisburg in 13h 28m. The distance from Harrisburg to London is about 3601 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 City and Harrisburg - London Gatwick.

  • 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, July is the cheapest month in which you can book a flight from Harrisburg to London (average of £217). Flying from Harrisburg to London in June is currently the most expensive (average of £542). 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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Fly with Cheapflights

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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?

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

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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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