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Cheap flights from Harrisburg to London Heathrow Airport from £281

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LHR
21 Aug — 28 Aug1
1 adult

Cheap 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 16 August 2025.

Round-trip from

£466

One-way from

£281

Popular in

December

Cheapest in

February

Average price

£552
United Airlines
  • United Airlines
  • 5/10-21/10
  • 3 total stops
  • 40h 34m total
  • Harrisburg to London
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19/9
  • 19/9
  • 3 total stops
  • 34h 21m total
  • Harrisburg to London
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Highest demand for flights based on searches. 10% potential increase in price (£55 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£31 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from Harrisburg to Heathrow

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 16 August 2025.

Sun 5/1006:15MDT - LHR
2 stops18h 40mUnited Airlines
Tue 21/1006:50LHR - MDT
2 stops17h 09mUnited Airlines
Deal found 15/8£466
Wed 22/1011:44MDT - LHR
1 stop14h 01mDelta
Wed 29/1008:55LHR - MDT
2 stops18h 13mDelta
Deal found 14/8£466
Sun 23/1112:25MDT - LHR
1 stop15h 35mMultiple Airlines
Fri 5/1206:30LHR - MDT
2 stops14h 39mMultiple Airlines
Deal found 14/8£467
Sun 23/1117:34MDT - LHR
2 stops32h 36mUnited Airlines
Thu 4/1218:00LHR - MDT
2 stops32h 10mUnited Airlines
Deal found 14/8£468
Tue 4/1106:30MDT - LHR
2 stops19h 40mUnited Airlines
Thu 13/1106:35LHR - MDT
2 stops17h 40mUnited Airlines
Deal found 14/8£469
Mon 17/1110:35MDT - LHR
1 stop19h 15mUnited Airlines
Thu 4/1207:30LHR - MDT
2 stops16h 24mUnited Airlines
Deal found 14/8£471
Sun 23/1112:25MDT - LHR
1 stop14h 25mDelta
Thu 4/1210:45LHR - MDT
1 stop17h 53mDelta
Deal found 14/8£472
Mon 24/1108:15MDT - LHR
2 stops17h 05mUnited Airlines
Thu 4/1207:30LHR - MDT
2 stops16h 24mUnited Airlines
Deal found 14/8£474
Mon 17/1110:35MDT - LHR
1 stop19h 15mUnited Airlines
Fri 5/1210:25LHR - MDT
1 stop15h 45mUnited Airlines
Deal found 14/8£480
Sun 28/918:23MDT - LHR
1 stop11h 47mDelta
Sun 5/1017:25LHR - MDT
1 stop22h 34mDelta
Deal found 13/8£508

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 16 August 2025.
Use the filters below to find and compare flights from Harrisburg to London Heathrow Airport that are best for you.

Fly from

Harrisburg

Fly to

Heathrow

Route

Depart

Return

Price

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 5/10

06:15-10:40

1 stop23h 25m

London Heathrow

Tue 21/10

06:50-18:59

2 stops17h 09m

£466

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 5/11

12:33-08:45

1 stop15h 12m

London Heathrow

Wed 12/11

08:55-23:38

2 stops19h 43m

£466

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 24/11

12:25-07:50

1 stop14h 25m

London Heathrow

Fri 5/12

09:00-22:45

2 stops18h 45m

£466

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 23/11

12:35-08:45

1 stop15h 10m

London Heathrow

Thu 4/12

08:55-22:45

2 stops18h 50m

£466

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 4/1

12:21-07:50

1 stop14h 29m

London Heathrow

Tue 13/1

06:20-22:47

2 stops21h 27m

£466

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 22/10

11:44-06:45

1 stop14h 01m

London Heathrow

Wed 29/10

08:55-23:08

2 stops18h 13m

£466

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 4/11

12:33-08:45

1 stop15h 12m

London Heathrow

Thu 13/11

11:30-23:38

2 stops17h 08m

£466

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 5/1

12:25-09:00

1 stop15h 35m

London Heathrow

Wed 14/1

09:00-23:40

2 stops19h 40m

£466

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 23/11

12:25-09:00

1 stop15h 35m

London Heathrow

Fri 5/12

06:30-16:09

2 stops14h 39m

£467

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 5/1

12:25-07:50

1 stop14h 25m

London Heathrow

Tue 13/1

06:30-17:25

2 stops15h 55m

£467

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 16 results
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

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 £112). Flying from Harrisburg to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

  • 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 £112). Flying from Harrisburg to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Croydon
Hounslow
Gatwick
Slough
Northampton
Deal
Luton
Wembley
Crawley
Ilford
Hayes
Ipswich
Southend-on-Sea
Winchester
Folkestone
Eastbourne
Maidstone
Watford
Chichester

Browse thousands of different options on Cheapflights for your next trip

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Fly with Cheapflights

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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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