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Cheap flights from Harrisburg to London from £190

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LON
11 May — 18 May1
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 11 April 2026.

Tue 5/506:00
MDT
-
LHR
1 stop20h 15m
Delta
Tue 12/506:15
LHR
-
MDT
2 stops21h 35m
Delta
Deal found 7/4£539
Wed 14/1012:30
MDT
-
LHR
2 stops19h 35m
Delta
Wed 21/1008:55
LHR
-
MDT
2 stops18h 51m
Delta
Deal found 7/4£543
Tue 5/516:19
MDT
-
LHR
1 stop9h 51m
KLM
Tue 12/515:15
LHR
-
MDT
1 stop13h 36m
KLM
Deal found 7/4£544
Mon 21/917:00
MDT
-
LHR
2 stops15h 15m
Delta
Tue 29/920:05
LHR
-
MDT
2 stops20h 46m
Delta
Deal found 6/4£547
Tue 5/512:00
MDT
-
LHR
1 stop20h 15m
Multiple Airlines
Thu 14/506:15
LHR
-
MDT
2 stops15h 02m
Multiple Airlines
Deal found 8/4£551
Tue 18/814:56
MDT
-
LHR
1 stop17h 19m
Multiple Airlines
Wed 2/906:15
LHR
-
MDT
2 stops14h 53m
Multiple Airlines
Deal found 9/4£552
Tue 5/516:19
MDT
-
LGW
2 stops18h 41m
Delta
Wed 20/510:25
LGW
-
MDT
2 stops18h 26m
Delta
Deal found 7/4£553
Tue 5/516:19
MDT
-
LHR
2 stops14h 46m
Delta
Thu 14/509:55
LHR
-
MDT
2 stops18h 56m
Delta
Deal found 8/4£554
Tue 18/812:25
MDT
-
LHR
2 stops13h 45m
Delta
Wed 2/908:55
LHR
-
MDT
2 stops19h 45m
Delta
Deal found 8/4£555
Tue 5/518:19
MDT
-
LHR
1 stop13h 56m
KLM
Wed 20/510:45
LHR
-
MDT
1 stop17h 05m
KLM
Deal found 8/4£556
Tue 5/518:19
MDT
-
LHR
1 stop12h 01m
Delta
Wed 20/506:30
LHR
-
MDT
2 stops22h 21m
Delta
Deal found 11/4£557
Tue 5/518:19
MDT
-
LGW
2 stops16h 41m
Delta
Thu 14/510:25
LGW
-
MDT
2 stops17h 25m
Delta
Deal found 8/4£565

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 11 April 2026.

Round-trip from

£539

One-way from

£190

Popular in

July

Cheapest in

January

Average price

£550
Delta
  • Delta
  • 5/5-12/5
  • 3 total stops
  • 41h 50m total
  • Harrisburg to London
Search Deals
KLM
  • KLM
  • 8/5
  • 1 total stop
  • 13h 42m total
  • Harrisburg to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£67 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 11 April 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

Tue 18/8

12:30-07:10

1 stop13h 40m

London Heathrow

Wed 2/9

06:15-16:08

2 stops14h 53m

£539

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 4/5

18:19-11:20

1 stop12h 01m

London Heathrow

Wed 13/5

11:30-23:51

2 stops17h 21m

£539

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 4/5

18:19-11:20

1 stop12h 01m

London Heathrow

Tue 12/5

08:40-23:51

2 stops20h 11m

£539
Fastest return journey

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 5/5

16:19-07:10

1 stop9h 51m

London Heathrow

Wed 20/5

06:15-16:17

2 stops15h 02m

£539

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 8/9

17:00-13:05

2 stops15h 05m

London Heathrow

Wed 23/9

09:55-23:40

2 stops18h 45m

£542

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 18/8

17:00-12:05

2 stops14h 05m

London Heathrow

Wed 2/9

11:30-23:40

2 stops17h 10m

£542

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 18/8

12:30-07:10

1 stop13h 40m

London Heathrow

Wed 2/9

13:25-23:40

1 stop15h 15m

£544

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 21/9

14:56-13:15

1 stop17h 19m

London Heathrow

Tue 29/9

13:25-23:40

1 stop15h 15m

£544

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Tue 5/5

18:19-16:00

2 stops16h 41m

London Gatwick

Wed 20/5

10:25-22:50

2 stops17h 25m

£553

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Tue 5/5

18:19-16:00

2 stops16h 41m

London Gatwick

Thu 14/5

10:25-22:50

2 stops17h 25m

£565

Flights are sorted by cheapest return flights first.

Deals found on 8/4

Showing 1-10 of 41 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, April is the cheapest month in which you can book a flight from Harrisburg to London (average of £313). Flying from Harrisburg to London in June is currently the most expensive (average of £576). 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 £539, Delta can have you in London from Harrisburg in 12h 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 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, April is the cheapest month in which you can book a flight from Harrisburg to London (average of £313). Flying from Harrisburg to London in June is currently the most expensive (average of £576). 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
Wembley
Croydon
Hounslow
Gatwick
Luton
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Chelmsford
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford

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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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