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Cheap flights from Harrisburg to London from £240

MDT — LON
5 Dec — 12 Dec1
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

Mon 7/1206:17 -
1 stop20h 38m
Wed 9/1206:50 -
2 stops19h 04m
Deal found 2/11£572
Tue 10/1110:42 -
1 stop20h 18m
Thu 19/1109:00 -
2 stops29h 45m
Deal found 2/11£649
Wed 2/1206:17 -
1 stop20h 38m
Wed 9/1209:00 -
2 stops16h 54m
Deal found 4/11£649
Wed 11/1110:30 -
1 stop15h 10m
Mon 16/1106:50 -
2 stops19h 43m
Deal found 4/11£650
Mon 7/1212:28 -
1 stop14h 22m
Thu 24/1208:40 -
2 stops15h 36m
Deal found 4/11£651
Tue 10/1112:09 -
2 stops14h 11m
Thu 19/1106:30 -
2 stops14h 48m
Deal found 3/11£654
Mon 7/1214:22 -
2 stops19h 33m
Wed 23/1207:30 -
2 stops18h 06m
Deal found 4/11£658

Find flight deals from Harrisburg to London

Round-trip from

£569

One-way from

£240

Popular in

December

Cheapest in

March

Average price

£828
United Airlines
  • United Airlines
  • 1/2-4/2
  • 4 total stops
  • 51h 29m total
  • Harrisburg to London
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British Airways
  • British Airways
  • 3/2-31/12
  • 1 total stop
  • 13h 39m total
  • Harrisburg to London
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£65 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
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Average for round-trip flights in November 2026
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Cheapflights Fare Finder

 
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 Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Wed 3/2

06:20-07:55

2 stops20h 35m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£248

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Wed 6/1

06:20-05:55

2 stops18h 35m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£258

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Tue 5/1

06:20-10:50

2 stops23h 30m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£258
Fastest return journey

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Fri 8/1

14:59-06:40

1 stop10h 41m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£258

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Mon 11/1

14:59-10:50

1 stop14h 51m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£258

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Sat 9/1

14:59-06:40

1 stop10h 41m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£258

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Tue 15/12

08:19-07:55

1 stop18h 36m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£287

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Sat 2/1

14:59-20:35

2 stops24h 36m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£384

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Sat 2/1

20:19-08:35

1 stop31h 16m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£470

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Mon 1/2

17:40-07:55

1 stop33h 15m

London Heathrow

Thu 4/2

06:50-16:59

2 stops15h 09m

£570

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 18 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

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, March is the cheapest month in which you can book a flight from Harrisburg to London (average of £576). Flying from Harrisburg to London in October is currently the most expensive (average of £921). 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

  • 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 £572, United Airlines can have you in London from Harrisburg in 20h 38m. The distance from Harrisburg to London is about 3581 mi.

  • 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, March is the cheapest month in which you can book a flight from Harrisburg to London (average of £576). Flying from Harrisburg to London in October is currently the most expensive (average of £921). 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

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Why should you use Cheapflights to find cheap flight tickets from Harrisburg to London?

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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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