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Cheap flights from Harrisburg to London from £242

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 27/7. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LON
1 jun. — 8 jun.1
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 2 mayo 2026.

mar. 18/814:56
MDT
-
LHR
1 stop17h 19m
Multiple Airlines
mié. 2/906:15
LHR
-
MDT
2 stops14h 53m
Multiple Airlines
Deal found 27/4£536
mar. 22/917:00
MDT
-
LHR
2 stops15h 15m
Delta
mar. 29/906:30
LHR
-
MDT
2 stops22h 10m
Delta
Deal found 27/4£539
mar. 18/814:56
MDT
-
LHR
1 stop17h 19m
KLM
mié. 2/911:15
LHR
-
MDT
1 stop17h 25m
KLM
Deal found 27/4£540
lun. 21/914:56
MDT
-
LHR
1 stop15h 24m
KLM
mar. 29/906:30
LHR
-
MDT
2 stops15h 57m
KLM
Deal found 27/4£632
dom. 16/810:02
MDT
-
LGW
2 stops17h 43m
American Airlines
mié. 18/1111:15
LGW
-
MDT
2 stops18h 03m
American Airlines
Deal found 30/4£637
mar. 18/819:59
MDT
-
LHR
2 stops17h 26m
Lufthansa
mié. 2/910:50
LHR
-
MDT
2 stops17h 35m
Lufthansa
Deal found 30/4£649
mar. 18/812:11
MDT
-
LHR
1 stop14h 39m
British Airways
mié. 2/909:15
LHR
-
MDT
2 stops17h 20m
British Airways
Deal found 30/4£651
mar. 8/912:11
MDT
-
LHR
1 stop14h 39m
British Airways
mié. 23/906:15
LHR
-
MDT
2 stops21h 57m
British Airways
Deal found 29/4£651
mié. 26/806:15
MDT
-
LHR
2 stops21h 20m
United Airlines
mar. 8/906:50
LHR
-
MDT
2 stops15h 01m
United Airlines
Deal found 1/5£654
mar. 8/910:16
MDT
-
LHR
2 stops15h 39m
United Airlines
mié. 23/906:50
LHR
-
MDT
2 stops21h 35m
United Airlines
Deal found 1/5£657
dom. 23/819:15
MDT
-
LGW
1 stop33h 45m
Multiple Airlines
sáb. 5/914:00
LGW
-
MDT
1 stop28h 38m
Multiple Airlines
Deal found 30/4£681
mar. 5/507:00
MDT
-
LGW
2 stops18h 50m
American Airlines
mié. 20/510:45
LGW
-
MDT
2 stops18h 07m
American Airlines
Deal found 30/4£687

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 2 mayo 2026.

Round-trip from

£536

One-way from

£242

Popular in

July

Cheapest in

January

Average price

£665
Air France
  • Air France
  • 18/8-2/9
  • 3 total stops
  • 32h 12m total
  • Harrisburg to London
Search Deals
British Airways
  • British Airways
  • 27/7
  • 1 total stop
  • 14h 55m total
  • Harrisburg to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£61 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 2 mayo 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

mar. 18/8

14:56-13:15

1 stop17h 19m

London Heathrow

mié. 2/9

06:15-16:08

2 stops14h 53m

£536

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

mar. 22/9

12:25-06:25

1 stop13h 00m

London Heathrow

mar. 29/9

10:45-22:44

1 stop16h 59m

£540

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

mié. 26/8

06:15-06:55

1 stop19h 40m

London Heathrow

mar. 8/9

06:50-18:35

2 stops16h 45m

£654
Fastest return journey

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

mar. 8/9

14:26-07:50

1 stop12h 24m

London Heathrow

mié. 23/9

13:45-20:45

1 stop12h 00m

£657

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

mar. 8/9

06:15-05:55

2 stops18h 40m

London Heathrow

mié. 23/9

06:50-23:25

2 stops21h 35m

£657

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

mié. 26/8

08:55-06:50

1 stop16h 55m

London Heathrow

mar. 8/9

11:10-18:50

1 stop12h 40m

£661

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

sáb. 8/8

19:59-20:40

2 stops19h 41m

London Heathrow

mar. 18/8

17:50-16:51

2 stops28h 01m

£667

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

dom. 23/8

19:15-10:00

1 stop33h 45m

London Gatwick

sáb. 5/9

14:00-13:38

1 stop28h 38m

£681

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

mar. 18/8

12:30-09:25

2 stops15h 55m

London Gatwick

mié. 2/9

10:25-22:44

2 stops17h 19m

£690

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

sáb. 15/8

12:30-16:00

2 stops22h 30m

London Gatwick

dom. 22/11

10:00-23:38

2 stops18h 38m

£690

Flights are sorted by cheapest return flights first.

Deals found on 27/4

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, January is the cheapest month in which you can book a flight from Harrisburg to London (average of £384). Flying from Harrisburg to London in February is currently the most expensive (average of £594). 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 £657, KLM can have you in London from Harrisburg in 12h 24m. 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, January is the cheapest month in which you can book a flight from Harrisburg to London (average of £384). Flying from Harrisburg to London in February is currently the most expensive (average of £594). 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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Watford
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Southend-on-Sea
Guildford
Bishop's Stortford
Chelmsford

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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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