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Cheap flights from Harrisburg to London from £168

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 25/7. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LON
23 Mar — 30 Mar1
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 February 2026.

Sun 12/414:46
MDT
-
LHR
1 stop14h 54m
United Airlines
Tue 21/409:00
LHR
-
MDT
2 stops19h 28m
United Airlines
Deal found 19/2£481
Tue 11/820:00
MDT
-
LHR
1 stop29h 55m
United Airlines
Wed 26/807:25
LHR
-
MDT
2 stops17h 05m
United Airlines
Deal found 19/2£483
Tue 8/906:30
MDT
-
LHR
1 stop19h 15m
United Airlines
Wed 23/908:40
LHR
-
MDT
2 stops17h 40m
United Airlines
Deal found 18/2£485
Wed 26/806:00
MDT
-
LHR
1 stop19h 55m
United Airlines
Tue 8/907:30
LHR
-
MDT
2 stops30h 54m
United Airlines
Deal found 19/2£492
Sun 12/409:57
MDT
-
LHR
1 stop15h 53m
British Airways
Tue 21/409:15
LHR
-
MDT
1 stop18h 38m
British Airways
Deal found 19/2£499
Wed 1/418:32
MDT
-
LGW
2 stops16h 28m
Delta
Wed 8/410:25
LGW
-
MDT
2 stops18h 16m
Delta
Deal found 20/2£568
Fri 3/422:06
MDT
-
LGW
1 stop30h 54m
Multiple Airlines
Fri 10/414:00
LGW
-
MDT
1 stop31h 47m
Multiple Airlines
Deal found 17/2£589
Fri 24/418:16
MDT
-
LGW
2 stops31h 04m
Multiple Airlines
Wed 29/414:00
LGW
-
MDT
1 stop25h 50m
Multiple Airlines
Deal found 20/2£641
Mon 6/415:15
MDT
-
LCY
2 stops36h 20m
British Airways
Mon 13/419:55
LCY
-
MDT
2 stops27h 56m
British Airways
Deal found 17/2£646
Wed 29/414:50
MDT
-
LCY
2 stops16h 20m
Multiple Airlines
Wed 6/509:50
LCY
-
MDT
2 stops16h 19m
Multiple Airlines
Deal found 20/2£658
Wed 1/418:32
MDT
-
LCY
2 stops17h 08m
Delta
Wed 8/408:25
LCY
-
MDT
2 stops20h 16m
Delta
Deal found 20/2£670
Sun 5/422:06
MDT
-
LGW
1 stop30h 54m
Multiple Airlines
Sun 12/414:00
LGW
-
MDT
2 stops32h 26m
Multiple Airlines
Deal found 19/2£676

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 February 2026.

Round-trip from

£481

One-way from

£168

Popular in

July

Cheapest in

January
United Airlines
  • United Airlines
  • 12/4-21/4
  • 3 total stops
  • 34h 22m total
  • Harrisburg to London
Search Deals
United Airlines
  • United Airlines
  • 25/7
  • 2 total stops
  • 19h 40m total
  • Harrisburg to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£58 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£18 potential savings vs. average return price).
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 February 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

Sun 12/4

14:46-10:40

1 stop14h 54m

London Heathrow

Tue 21/4

09:00-23:28

2 stops19h 28m

£481

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 11/8

20:00-06:55

1 stop29h 55m

London Heathrow

Wed 26/8

07:25-19:30

2 stops17h 05m

£483

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 6/4

15:15-06:50

1 stop10h 35m

London Heathrow

Mon 13/4

21:35-18:51

2 stops26h 16m

£501

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 6/4

10:40-08:30

2 stops16h 50m

London Heathrow

Mon 13/4

15:30-16:51

2 stops30h 21m

£509

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 16/4

14:05-11:45

1 stop16h 40m

London Heathrow

Thu 23/4

06:50-00:22

2 stops22h 32m

£518

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 3/4

17:48-11:45

1 stop12h 57m

London Heathrow

Fri 10/4

06:50-16:46

2 stops14h 56m

£519

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 16/4

06:00-07:10

2 stops20h 10m

London Heathrow

Thu 23/4

08:55-23:59

2 stops20h 04m

£527

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 29/4

10:40-06:55

1 stop15h 15m

London Heathrow

Wed 6/5

06:50-21:19

2 stops19h 29m

£527

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 24/4

14:46-06:55

1 stop11h 09m

London Heathrow

Mon 27/4

17:50-21:18

2 stops32h 28m

£529

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Fri 3/4

22:06-10:00

1 stop30h 54m

London Gatwick

Fri 10/4

14:00-16:47

1 stop31h 47m

£589

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 39 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, 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 £524). 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 £501, United Airlines can have you in London from Harrisburg in 10h 35m. 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 £524). 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
Hayes
Brentford
Colchester
Watford
Guildford
Kingston upon Thames
Eastbourne
Ipswich
Chelmsford
Bedford
Crawley
Romford

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Alternative routes for Harrisburg to London

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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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