Cheap flights from Harrisburg to London Heathrow Airport from £237

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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LHR
16 Apr — 23 Apr1
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 17 March 2026.

Tue 18/819:59
MDT
-
LHR
2 stops14h 41m
Lufthansa
Wed 2/910:50
LHR
-
MDT
2 stops17h 35m
Lufthansa
Deal found 15/3£553
Wed 26/819:59
MDT
-
LHR
2 stops18h 41m
Lufthansa
Tue 8/909:00
LHR
-
MDT
2 stops19h 25m
Lufthansa
Deal found 13/3£553
Tue 1/906:15
MDT
-
LHR
1 stop23h 25m
United Airlines
Thu 10/906:50
LHR
-
MDT
2 stops17h 40m
United Airlines
Deal found 14/3£577
Mon 31/819:59
MDT
-
LHR
1 stop29h 56m
United Airlines
Wed 9/907:25
LHR
-
MDT
2 stops17h 05m
United Airlines
Deal found 14/3£578
Tue 1/906:15
MDT
-
LHR
2 stops19h 15m
United Airlines
Wed 9/907:25
LHR
-
MDT
2 stops17h 05m
United Airlines
Deal found 14/3£580
Wed 14/1010:35
MDT
-
LHR
1 stop15h 20m
United Airlines
Wed 21/1014:10
LHR
-
MDT
2 stops24h 14m
United Airlines
Deal found 14/3£582
Tue 8/912:25
MDT
-
LHR
1 stop19h 50m
Delta
Wed 23/908:40
LHR
-
MDT
2 stops20h 00m
Delta
Deal found 16/3£584
Tue 18/817:53
MDT
-
LHR
1 stop13h 02m
United Airlines
Wed 2/909:30
LHR
-
MDT
2 stops18h 55m
United Airlines
Deal found 14/3£586

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 17 March 2026.

Round-trip from

£553

One-way from

£237

Popular in

April

Cheapest in

November

Average price

£656
Lufthansa
  • Lufthansa
  • 18/8-2/9
  • 4 total stops
  • 32h 16m total
  • Harrisburg to London
British Airways
  • British Airways
  • 12/7
  • 1 total stop
  • 16h 35m total
  • Harrisburg to London
Highest demand for flights based on searches. 34% potential increase in price (£300 potential increase over avg. return price).
Cheapest flight prices on average. 21% potential price decrease (£100 potential savings vs. average return price).
Average for round-trip flights in March 2026

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 17 March 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
Fastest return journey

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 8/9

18:25-13:15

1 stop13h 50m

London Heathrow

Wed 23/9

09:55-23:40

2 stops18h 45m

£584

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 8/9

10:30-06:55

1 stop15h 25m

London Heathrow

Wed 23/9

09:30-23:25

2 stops18h 55m

£586

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 8/9

12:25-13:15

1 stop19h 50m

London Heathrow

Wed 23/9

11:15-23:40

1 stop17h 25m

£601

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 8/8

19:59-06:30

2 stops29h 31m

London Heathrow

Tue 18/8

07:30-23:25

2 stops20h 55m

£617

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 5/5

06:00-07:15

1 stop20h 15m

London Heathrow

Wed 20/5

06:30-22:50

2 stops21h 20m

£624
Cheapest one-way

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 15/7

10:30-05:55

2 stops14h 25m

£238

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 12/7

06:30-06:55

2 stops19h 25m

£238

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 11/7

19:59-06:55

1 stop29h 56m

£246
Fastest single journey

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 24/7

14:25-06:50

1 stop11h 25m

£248

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 23/7

14:25-06:50

1 stop11h 25m

£248

Flights are sorted by cheapest return flights first.

Deals found on 14/3

Showing 1-10 of 13 resultsSorted by cheapest first
1
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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

What is the cheapest month to book a flight from Harrisburg to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Harrisburg to London Heathrow Airport (average of £362). Flying from Harrisburg to London Heathrow Airport in June is currently the most expensive (average of £526). 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 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 13h 50m. Delta provides one of the quickest options available for as low as £584. 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.

  • What is the cheapest month to book a flight from Harrisburg to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Harrisburg to London Heathrow Airport (average of £362). Flying from Harrisburg to London Heathrow Airport in June is currently the most expensive (average of £526). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Northampton
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Romford
Ipswich
Swindon
Bedford

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

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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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