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Cheap flights from Harrisburg to London Heathrow Airport from £239

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LHR
17 Aug — 24 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Harrisburg to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Harrisburg to Heathrow
Explore the most affordable flight options available from Harrisburg to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2026.

Tue 18/811:55
MDT
-
LHR
1 stop13h 30m
Delta
Sun 30/808:40
LHR
-
MDT
2 stops20h 03m
Delta
Deal found 15/7£642
Tue 18/815:04
MDT
-
LHR
1 stop17h 11m
KLM
Mon 31/806:30
LHR
-
MDT
2 stops16h 09m
KLM
Deal found 13/7£643
Tue 18/812:22
MDT
-
LHR
2 stops13h 53m
Delta
Wed 2/908:40
LHR
-
MDT
2 stops20h 03m
Delta
Deal found 13/7£646
Tue 18/818:24
MDT
-
LHR
1 stop11h 56m
Multiple Airlines
Sun 30/806:15
LHR
-
MDT
2 stops16h 24m
Multiple Airlines
Deal found 13/7£648
Wed 30/911:57
MDT
-
LHR
1 stop13h 28m
Multiple Airlines
Sat 10/1008:55
LHR
-
MDT
2 stops19h 48m
Multiple Airlines
Deal found 17/7£649
Tue 18/815:04
MDT
-
LHR
1 stop17h 11m
KLM
Wed 2/909:20
LHR
-
MDT
1 stop19h 23m
KLM
Deal found 13/7£664
Wed 30/906:30
MDT
-
LHR
2 stops21h 05m
United Airlines
Sat 10/1006:50
LHR
-
MDT
2 stops21h 39m
United Airlines
Deal found 17/7£665
Tue 8/917:10
MDT
-
LHR
2 stops14h 55m
Delta
Sat 12/910:45
LHR
-
MDT
2 stops17h 55m
Delta
Deal found 15/7£667
Tue 8/917:10
MDT
-
LHR
2 stops15h 35m
Delta
Sun 13/915:15
LHR
-
MDT
1 stop13h 25m
Delta
Deal found 13/7£668
Sun 23/819:59
MDT
-
LHR
2 stops17h 26m
Lufthansa
Sat 5/909:00
LHR
-
MDT
2 stops19h 30m
Lufthansa
Deal found 15/7£681

Find flight deals from Harrisburg to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Harrisburg (MDT) to Heathrow (LHR). 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 July 2026.

Round-trip from

£642

One-way from

£239

Popular in

June

Cheapest in

November

Average price

£792
Delta
  • Delta
  • 18/8-2/9
  • 3 total stops
  • 31h 56m total
  • Harrisburg to London
Search Deals
British Airways
  • British Airways
  • 12/10
  • 1 total stop
  • 14h 32m total
  • Harrisburg to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£67 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Harrisburg to Heathrow 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 July 2026.
Use the filters below to find and compare flights from Harrisburg to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 2/12

17:00-08:45

1 stop10h 45m

London Heathrow

Sat 12/12

06:30-22:46

2 stops21h 16m

£642
Fastest return journey

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 23/8

12:22-07:10

1 stop13h 48m

London Heathrow

Sat 5/9

06:30-17:39

2 stops16h 09m

£642

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 26/8

11:55-07:15

1 stop14h 20m

London Heathrow

Tue 8/9

06:30-23:15

2 stops21h 45m

£642

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 18/8

12:22-07:15

2 stops13h 53m

London Heathrow

Wed 2/9

08:40-23:43

2 stops20h 03m

£646

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 2/12

12:30-08:45

1 stop15h 15m

London Heathrow

Sat 12/12

10:45-23:38

1 stop17h 53m

£664

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 8/9

12:30-13:15

1 stop19h 45m

London Heathrow

Sun 13/9

15:15-23:40

1 stop13h 25m

£664
Cheapest one-way

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 15/10

12:12-07:15

2 stops14h 03m

£245

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 15/10

14:56-13:15

1 stop17h 19m

£245

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 13/10

12:12-13:05

2 stops19h 53m

£245

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 23/7

06:04-06:25

1 stop19h 21m

£245

Flights are sorted by cheapest return flights first.

Deals found on 14/7

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Harrisburg to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

How much does it cost for a return flight from Harrisburg to London Heathrow Airport?

Related info for your journey

Find useful and relevant information for your journey from Harrisburg to Heathrow. 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 Heathrow?

    Located just 8.5 mi from the city center, Harrisburg is the airport most travelers will use when flying to London Heathrow from Harrisburg. Booking flights from Harrisburg (MDT) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 0 different airlines.

  • How long is the flight from Harrisburg to London Heathrow Airport?

    A quick flight from Harrisburg to London Heathrow Airport can take about 10h 45m. Delta provides one of the quickest options available for as low as £642. The distance from Harrisburg to London Heathrow Airport is about 3581 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Harrisburg to Heathrow that include hotel bookings?

    Yes. In addition to deals on Harrisburg to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Harrisburg to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harrisburg to Heathrow.

  • Can I find deals for business class flights from Harrisburg to Heathrow?

    Yes. Cheapflights offers flight deals from Harrisburg to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Slough
Ilford
Croydon
Hayes
Brentford
Colchester
Northampton
Watford
Eastbourne
Swindon
Southend-on-Sea
Poole
Kingston upon Thames
Southall
Aylesbury

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How does Cheapflights help users find flights from Harrisburg to Heathrow?

Cheapflights helps you search for flights from Harrisburg to Heathrow 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 Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Harrisburg by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Harrisburg to Heathrow with no change fees?

Yes, we can. To see specific flights from Harrisburg to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Harrisburg to Heathrow become cheaper?

Of course! You can now track prices for flights from Harrisburg to Heathrow 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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