Cheap flights from Harrisburg to London from £278

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 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LON
13 Feb — 20 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 14 January 2026.

Round-trip from

£448

One-way from

£278

Popular in

July

Cheapest in

January

Average price

£395
British Airways
  • British Airways
  • 24/4-27/4
  • 3 total stops
  • 49h 18m total
  • Harrisburg to London
British Airways
  • British Airways
  • 18/2
  • 1 total stop
  • 11h 51m total
  • Harrisburg to London
Highest demand for flights based on searches. 12% potential increase in price (£61 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Average for round-trip flights in January 2026

Find 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 14 January 2026.

Fri 24/419:51
MDT
-
LHR
1 stop30h 59m
British Airways
Mon 27/407:50
LHR
-
MDT
2 stops18h 19m
British Airways
Deal found 13/1£448
Thu 26/214:59
MDT
-
LHR
1 stop10h 36m
British Airways
Thu 5/306:15
LHR
-
MDT
2 stops17h 55m
British Airways
Deal found 12/1£449
Fri 13/212:12
MDT
-
LHR
1 stop13h 13m
Delta
Fri 20/206:30
LHR
-
MDT
2 stops21h 30m
Delta
Deal found 13/1£467
Fri 27/206:29
MDT
-
LHR
1 stop18h 26m
United Airlines
Fri 6/306:50
LHR
-
MDT
2 stops14h 54m
United Airlines
Deal found 13/1£467
Thu 26/210:40
MDT
-
LHR
1 stop15h 00m
United Airlines
Thu 5/306:50
LHR
-
MDT
2 stops14h 54m
United Airlines
Deal found 12/1£468
Fri 13/214:59
MDT
-
LHR
1 stop10h 36m
American Airlines
Fri 20/214:10
LHR
-
MDT
1 stop14h 40m
American Airlines
Deal found 13/1£470
Mon 24/814:17
MDT
-
LHR
1 stop11h 33m
Multiple Airlines
Mon 31/812:20
LHR
-
MDT
2 stops37h 18m
Multiple Airlines
Deal found 13/1£478
Thu 22/115:03
MDT
-
LHR
1 stop11h 47m
British Airways
Mon 26/119:40
LHR
-
MDT
2 stops29h 34m
British Airways
Deal found 11/1£479
Thu 22/114:28
MDT
-
LCY
2 stops13h 52m
Lufthansa
Mon 26/118:15
LCY
-
MDT
2 stops29h 44m
Lufthansa
Deal found 11/1£562
Thu 22/115:03
MDT
-
LCY
2 stops18h 02m
British Airways
Wed 28/107:50
LCY
-
MDT
2 stops17h 24m
British Airways
Deal found 13/1£574
Fri 24/415:11
MDT
-
LGW
2 stops18h 09m
British Airways
Mon 27/420:10
LGW
-
MDT
2 stops31h 43m
British Airways
Deal found 11/1£580
Wed 19/814:17
MDT
-
LCY
2 stops16h 53m
British Airways
Mon 24/819:55
LCY
-
MDT
2 stops29h 43m
British Airways
Deal found 14/1£643

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 14 January 2026.
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

Fri 24/4

19:51-07:50

1 stop30h 59m

London Heathrow

Mon 27/4

07:50-21:09

2 stops18h 19m

£448

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 26/2

14:59-06:35

1 stop10h 36m

London Heathrow

Thu 5/3

06:15-19:10

2 stops17h 55m

£449

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 13/2

12:12-06:25

1 stop13h 13m

London Heathrow

Fri 20/2

06:30-23:00

2 stops21h 30m

£467

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 27/2

06:29-05:55

1 stop18h 26m

London Heathrow

Fri 6/3

06:50-16:44

2 stops14h 54m

£467

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 28/2

10:39-11:15

1 stop19h 36m

London Heathrow

Sat 7/3

06:50-23:13

2 stops21h 23m

£467

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 26/2

10:40-06:40

1 stop15h 00m

London Heathrow

Thu 5/3

06:50-16:44

2 stops14h 54m

£468

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 13/2

14:59-06:35

1 stop10h 36m

London Heathrow

Fri 20/2

14:10-23:50

1 stop14h 40m

£470

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Fri 24/4

15:11-14:20

2 stops18h 09m

London Gatwick

Mon 27/4

20:10-22:53

2 stops31h 43m

£580

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Tue 28/4

19:51-12:10

2 stops35h 19m

London City

Sun 3/5

19:35-18:51

2 stops28h 16m

£680

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Wed 10/6

14:30-17:55

2 stops22h 25m

London City

Mon 15/6

09:15-23:28

2 stops19h 13m

£790

Flights are sorted by cheapest return flights first.

Deals found on 13/1

Showing 1-10 of 32 results
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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, July is the cheapest month in which you can book a flight from Harrisburg to London (average of £216). Flying from Harrisburg to London in June is currently the most expensive (average of £528). 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 £467, British Airways can have you in London from Harrisburg in 13h 13m. 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?

  • 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 £216). Flying from Harrisburg to London in June is currently the most expensive (average of £528). 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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Alternative routes for Harrisburg to London

See prices for flight routes from nearby airports that may be better suited for you.

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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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