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Cheap flights from Harrisburg to London Heathrow Airport from £247

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LHR
24 Aug — 31 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 25 July 2026.

Tue 10/1114:41
MDT
-
LHR
1 stop10h 59m
United Airlines
Tue 24/1106:50
LHR
-
MDT
2 stops18h 57m
United Airlines
Deal found 21/7£649
Mon 7/1211:07
MDT
-
LHR
1 stop15h 43m
British Airways
Mon 14/1219:15
LHR
-
MDT
2 stops28h 52m
British Airways
Deal found 24/7£669
Tue 10/1109:50
MDT
-
LHR
1 stop17h 00m
American Airlines
Tue 24/1113:10
LHR
-
MDT
1 stop10h 56m
American Airlines
Deal found 21/7£672
Wed 2/1210:35
MDT
-
LHR
1 stop16h 20m
United Airlines
Sat 12/1207:30
LHR
-
MDT
2 stops18h 50m
United Airlines
Deal found 24/7£679
Wed 7/1014:55
MDT
-
LHR
1 stop11h 00m
United Airlines
Mon 12/1017:55
LHR
-
MDT
2 stops32h 55m
United Airlines
Deal found 21/7£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 25 July 2026.

Round-trip from

£649

One-way from

£247

Popular in

June

Cheapest in

October

Average price

£799
United Airlines
  • United Airlines
  • 10/11-24/11
  • 3 total stops
  • 29h 56m total
  • Harrisburg to London
Search Deals
KLM
  • KLM
  • 12/9
  • 1 total stop
  • 12h 11m total
  • Harrisburg to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£39 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 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 25 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
Fastest return journey

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 10/11

14:41-09:10

2 stops13h 29m

London Heathrow

Tue 24/11

06:50-16:47

2 stops14h 57m

£653

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 7/12

14:54-16:35

2 stops20h 41m

London Heathrow

Mon 14/12

21:10-19:07

2 stops26h 57m

£672

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 23/8

19:59-18:25

2 stops17h 26m

London Heathrow

Sat 5/9

09:00-23:30

2 stops19h 30m

£687

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 18/8

19:59-17:05

2 stops16h 06m

London Heathrow

Wed 2/9

10:50-23:30

2 stops17h 40m

£689

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 7/12

14:12-07:55

1 stop12h 43m

London Heathrow

Mon 14/12

07:40-18:40

1 stop16h 00m

£693

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 8/10

06:30-08:30

1 stop21h 00m

London Heathrow

Mon 12/10

17:55-16:52

2 stops27h 57m

£693

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 19/8

17:54-11:55

1 stop13h 01m

London Heathrow

Sun 23/8

06:50-18:26

2 stops16h 36m

£693

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 23/8

10:40-09:00

1 stop17h 20m

London Heathrow

Sat 5/9

08:45-20:53

2 stops17h 08m

£694

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 26/8

14:17-06:45

1 stop11h 28m

London Heathrow

Tue 8/9

08:45-20:58

2 stops17h 13m

£694
Cheapest one-way
Fastest single journey

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 12/9

18:09-11:20

1 stop12h 11m

£247

Flights are sorted by cheapest return flights first.

Deals found on 24/7

Showing 1-10 of 12 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?

Airfare is below average for this route at the moment.

Harrisburg to London Heathrow Airport flights typically cost between £736 and £900 in November.
The cheapest return price found within the last 5 days was £649 on United Airlines (10 Nov–24 Nov).

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 29m. United Airlines provides one of the quickest options available for as low as £653. 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
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Colchester
Brentford
Eastbourne
Northampton
Watford
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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