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Cheap flights from Harrisburg to London from £568

MDT — LON
20 Nov — 27 Nov1
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 7/1217:39 -
1 stop13h 21m
Wed 9/1211:05 -
2 stops34h 53m
Deal found 18/10£568
Fri 4/1212:20 -
1 stop14h 25m
Fri 11/1206:30 -
2 stops22h 18m
Deal found 20/10£642
Mon 16/1120:13 -
1 stop9h 37m
Mon 23/1106:50 -
2 stops15h 04m
Deal found 17/10£643
Sat 24/1014:55 -
2 stops23h 40m
Thu 29/1006:35 -
2 stops21h 09m
Deal found 18/10£645
Sat 24/1006:30 -
1 stop21h 25m
Thu 29/1009:00 -
2 stops18h 44m
Deal found 18/10£646
Wed 11/1120:13 -
1 stop29h 27m
Mon 16/1106:50 -
2 stops21h 54m
Deal found 16/10£647
Wed 2/1218:33 -
1 stop12h 07m
Sat 12/1206:30 -
2 stops21h 40m
Deal found 19/10£648

Find flight deals from Harrisburg to London

Round-trip from

£558

Popular in

December

Cheapest in

November

Average price

£930
United Airlines
  • United Airlines
  • 23/1-25/1
  • 3 total stops
  • 31h 40m total
  • Harrisburg to London
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
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Average for round-trip flights in October 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

Mon 7/12

14:50-12:00

2 stops16h 10m

London Heathrow

Wed 9/12

11:05-16:58

2 stops34h 53m

£577

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Tue 1/12

10:40-07:55

1 stop16h 15m

London Heathrow

Tue 8/12

09:00-20:54

2 stops16h 54m

£646

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Wed 11/11

20:13-06:40

1 stop29h 27m

London Heathrow

Mon 16/11

06:50-23:44

2 stops21h 54m

£647
Fastest return journey

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Thu 3/12

10:35-06:40

1 stop15h 05m

London Heathrow

Thu 10/12

06:35-18:43

2 stops17h 08m

£648

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Mon 16/11

20:13-07:10

2 stops29h 57m

London Heathrow

Mon 23/11

06:50-16:54

2 stops15h 04m

£650

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Wed 2/12

12:20-06:25

2 stops13h 05m

London Heathrow

Sat 12/12

06:30-23:10

2 stops21h 40m

£651

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Sorted by cheapest first

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 £581). Flying from Harrisburg to London in October is currently the most expensive (average of £929). 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 £577, United Airlines can have you in London from Harrisburg in 16h 10m. 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 Gatwick and Harrisburg - London City.

  • 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 £581). Flying from Harrisburg to London in October is currently the most expensive (average of £929). 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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Yes! Cheapflights helps users easily find flights from Harrisburg to London with no change fees.

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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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