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Cheap flights from Harrisburg to London from £296

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 14/2. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LON
20 Feb — 27 Feb1
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 January 2026.

Tue 17/214:59
MDT
-
LHR
1 stop11h 51m
Multiple Airlines
Tue 24/207:50
LHR
-
MDT
2 stops16h 20m
Multiple Airlines
Deal found 20/1£426
Wed 18/214:59
MDT
-
LHR
1 stop10h 36m
British Airways
Wed 25/206:15
LHR
-
MDT
2 stops17h 55m
British Airways
Deal found 19/1£430
Tue 17/209:51
MDT
-
LHR
1 stop15h 44m
British Airways
Tue 24/219:05
LHR
-
MDT
2 stops29h 05m
British Airways
Deal found 20/1£440
Wed 18/214:59
MDT
-
LGW
2 stops27h 31m
British Airways
Wed 25/221:05
LGW
-
MDT
2 stops27h 05m
British Airways
Deal found 19/1£463
Thu 5/310:35
MDT
-
LHR
1 stop14h 20m
United Airlines
Thu 12/306:50
LHR
-
MDT
2 stops18h 15m
United Airlines
Deal found 20/1£468
Tue 17/214:59
MDT
-
LGW
2 stops23h 01m
British Airways
Tue 24/209:50
LGW
-
MDT
2 stops38h 20m
British Airways
Deal found 20/1£486
Wed 18/214:33
MDT
-
LCY
2 stops22h 07m
Lufthansa
Wed 25/218:10
LCY
-
MDT
2 stops29h 30m
Lufthansa
Deal found 19/1£525
Tue 17/214:59
MDT
-
LCY
2 stops18h 06m
British Airways
Tue 24/219:15
LCY
-
MDT
2 stops31h 59m
British Airways
Deal found 20/1£539
Mon 3/812:30
MDT
-
LGW
2 stops22h 15m
Air France
Tue 11/817:00
LGW
-
MDT
2 stops28h 08m
Air France
Deal found 20/1£666
Wed 18/315:15
MDT
-
LCY
2 stops18h 50m
British Airways
Mon 23/317:05
LCY
-
MDT
2 stops30h 05m
British Airways
Deal found 19/1£671
Wed 21/114:28
MDT
-
LCY
2 stops22h 12m
Lufthansa
Mon 26/118:15
LCY
-
MDT
2 stops29h 44m
Lufthansa
Deal found 18/1£673
Sat 6/619:58
MDT
-
LGW
1 stop33h 02m
Multiple Airlines
Wed 10/614:00
LGW
-
MDT
1 stop30h 10m
Multiple Airlines
Deal found 19/1£680

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 January 2026.

Round-trip from

£426

One-way from

£296

Popular in

July

Cheapest in

January

Average price

£396
17/2-24/2
  • 17/2-24/2
  • 3 total stops
  • 28h 11m total
  • Harrisburg to London
Search Deals
14/2
  • 14/2
  • 3 total stops
  • 31h 44m total
  • Harrisburg to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£65 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 January 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 21 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

Tue 17/2

14:59-07:50

1 stop11h 51m

London Heathrow

Tue 24/2

07:50-19:10

2 stops16h 20m

£426

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 18/2

14:59-06:35

1 stop10h 36m

London Heathrow

Wed 25/2

06:15-19:10

2 stops17h 55m

£430

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 17/2

14:59-07:50

1 stop11h 51m

London Heathrow

Tue 24/2

13:10-19:10

1 stop11h 00m

£444

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 19/3

10:40-10:50

1 stop20h 10m

London Heathrow

Tue 24/3

06:50-10:00

2 stops31h 10m

£468

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 5/3

06:15-05:55

1 stop18h 40m

London Heathrow

Thu 12/3

06:50-23:13

2 stops20h 23m

£468

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 18/3

14:33-06:40

1 stop12h 07m

London Heathrow

Mon 23/3

13:25-23:13

2 stops37h 48m

£474

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Tue 17/2

14:59-19:00

2 stops23h 01m

London Gatwick

Tue 24/2

09:50-19:10

2 stops38h 20m

£486

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Wed 18/2

14:33-17:40

2 stops22h 07m

London City

Wed 25/2

18:10-18:40

2 stops29h 30m

£525

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Tue 17/2

14:59-14:05

2 stops18h 06m

London City

Tue 24/2

19:15-22:14

2 stops31h 59m

£539

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Wed 18/3

15:15-14:05

2 stops18h 50m

London City

Mon 23/3

17:05-19:10

2 stops30h 05m

£671

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 34 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 £532). 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 £430, British Airways can have you in London from Harrisburg in 10h 36m. 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 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 £216). Flying from Harrisburg to London in June is currently the most expensive (average of £532). 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
Milton Keynes
Luton
Croydon
Wembley
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Colchester
Watford
Crawley
Bedford
Kingston upon Thames
Chelmsford
Eastbourne
Romford
Folkestone
Southend-on-Sea

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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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Philadelphia to Luton flights
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Harrisburg to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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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