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Cheap flights from Harrisburg to London from £289

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 23/11. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LON
18 Dec — 25 Dec1
1 adult
1 adult, Economy, 0 bags

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 18 November 2025.

Tue 18/1108:15MDT - LHR
2 stops17h 55mUnited Airlines
Wed 3/1206:35LHR - MDT
2 stops17h 19mUnited Airlines
Deal found 14/11£468
Tue 18/1111:44MDT - LHR
1 stop18h 56mKLM
Wed 3/1213:00LHR - MDT
1 stop15h 07mKLM
Deal found 14/11£491
Wed 31/1210:49MDT - LHR
1 stop16h 06mUnited Airlines
Wed 7/115:30LHR - MDT
2 stops32h 29mUnited Airlines
Deal found 16/11£569
Fri 5/1206:00MDT - LCY
2 stops21h 10mDelta
Tue 9/1210:00LCY - MDT
2 stops18h 07mDelta
Deal found 17/11£572
Tue 30/1215:00MDT - LHR
1 stop10h 40mUnited Airlines
Tue 6/107:25LHR - MDT
1 stop14h 09mUnited Airlines
Deal found 15/11£790
Mon 22/1206:30MDT - LHR
1 stop18h 25mUnited Airlines
Sun 28/1207:40LHR - MDT
1 stop21h 27mUnited Airlines
Deal found 15/11£1,020
Mon 22/1213:52MDT - LHR
2 stops24h 58mMultiple Airlines
Sun 28/1206:05LHR - MDT
2 stops18h 02mMultiple Airlines
Deal found 15/11£1,159
Mon 22/1215:00MDT - LHR
1 stop10h 40mLufthansa
Sun 28/1206:30LHR - MDT
2 stops17h 28mLufthansa
Deal found 15/11£1,207
Thu 11/1214:54MDT - LCY
2 stops17h 56mBritish Airways
Fri 19/1208:50LCY - MDT
2 stops15h 17mBritish Airways
Deal found 17/11£1,546

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 18 November 2025.

Round-trip from

£530

One-way from

£289

Popular in

December

Cheapest in

January

Average price

£494
United Airlines
  • United Airlines
  • 11/12-19/12
  • 3 total stops
  • 44h 24m total
  • Harrisburg to London
Search Deals
23/11
  • 23/11
  • 3 total stops
  • 43h 07m total
  • Harrisburg to London
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 18 November 2025.
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

Wed 31/12

10:49-07:55

1 stop16h 06m

London Heathrow

Wed 7/1

15:30-18:59

2 stops32h 29m

£569

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Fri 5/12

12:41-09:30

2 stops15h 49m

London City

Tue 9/12

07:45-11:56

2 stops33h 11m

£572

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 1/1

06:30-05:55

1 stop18h 25m

London Heathrow

Thu 8/1

12:05-18:59

1 stop11h 54m

£611

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 4/1

19:26-14:30

2 stops14h 04m

London Heathrow

Tue 13/1

13:10-20:14

1 stop12h 04m

£686

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 4/1

10:30-17:05

2 stops25h 35m

London Heathrow

Tue 13/1

13:25-13:51

2 stops29h 26m

£719

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 27/3

12:25-11:40

1 stop19h 15m

London Heathrow

Tue 31/3

11:30-22:47

2 stops16h 17m

£730

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Sun 4/1

15:00-17:40

2 stops21h 40m

London City

Tue 13/1

18:15-18:59

2 stops29h 44m

£877

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Sun 4/1

13:52-16:25

2 stops21h 33m

London City

Tue 13/1

08:40-20:14

2 stops16h 34m

£1,029

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Fri 24/4

17:02-11:30

2 stops13h 28m

London City

Mon 27/4

08:40-16:32

2 stops12h 52m

£1,177

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Thu 11/12

14:54-13:50

2 stops17h 56m

London City

Fri 19/12

08:50-19:07

2 stops15h 17m

£1,546

Flights are sorted by cheapest return flights first.

Deals found on 14/11

Showing 1-10 of 19 results
1
2

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 £265). Flying from Harrisburg to London in June is currently the most expensive (average of £565). 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 £686, United Airlines can have you in London from Harrisburg in 14h 04m. 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 cheapest airlines to fly from Harrisburg to London one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as £303. However, be on the lookout for offers from Lufthansa and Delta, as they are both options that can get you from Harrisburg to London for a low price.

  • 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 £265). Flying from Harrisburg to London in June is currently the most expensive (average of £565). 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
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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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