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Cheap flights from Harrisburg to London Heathrow Airport from £470

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LHR
11 Jan — 18 Jan1
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 12 December 2025.

Tue 30/1206:30MDT - LHR
1 stop18h 25mUnited Airlines
Fri 9/118:00LHR - MDT
2 stops29h 59mUnited Airlines
Deal found 10/12£594
Tue 23/1217:24MDT - LHR
2 stops32h 46mUnited Airlines
Tue 13/113:25LHR - MDT
2 stops29h 26mUnited Airlines
Deal found 10/12£613
Wed 24/1213:52MDT - LHR
2 stops20h 03mBritish Airways
Wed 14/106:15LHR - MDT
2 stops18h 59mBritish Airways
Deal found 10/12£623
Tue 30/1206:30MDT - LHR
1 stop18h 25mUnited Airlines
Sat 10/118:00LHR - MDT
2 stops29h 59mUnited Airlines
Deal found 10/12£632
Tue 30/1213:34MDT - LHR
2 stops36h 16mDelta
Sun 11/108:55LHR - MDT
1 stop13h 12mDelta
Deal found 10/12£633
Wed 24/1206:15MDT - LHR
1 stop23h 35mUnited Airlines
Wed 14/106:50LHR - MDT
2 stops17h 09mUnited Airlines
Deal found 10/12£636
Tue 30/1210:30MDT - LHR
1 stop15h 10mUnited Airlines
Sun 11/112:05LHR - MDT
1 stop11h 54mUnited Airlines
Deal found 10/12£644
Fri 12/1206:15MDT - LHR
2 stops22h 05mUnited Airlines
Fri 19/1210:25LHR - MDT
1 stop18h 42mUnited Airlines
Deal found 11/12£645

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 12 December 2025.

Round-trip from

£470

Popular in

June

Cheapest in

November

Average price

£691
Delta
  • Delta
  • 8/1-24/1
  • 3 total stops
  • 38h 41m total
  • Harrisburg to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£34 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 12 December 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

Wed 14/1

12:24-06:25

1 stop13h 01m

London Heathrow

Tue 20/1

08:40-22:56

2 stops19h 16m

£470

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 11/1

18:02-06:25

1 stop31h 23m

London Heathrow

Sat 24/1

08:40-22:56

2 stops19h 16m

£470

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 12/1

18:02-09:00

1 stop33h 58m

London Heathrow

Sat 24/1

08:40-22:56

2 stops19h 16m

£470

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 8/1

06:00-06:25

1 stop19h 25m

London Heathrow

Sat 24/1

08:40-22:56

2 stops19h 16m

£470

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 25/1

18:02-11:40

1 stop12h 38m

London Heathrow

Sun 1/2

08:40-23:00

2 stops19h 20m

£470

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 12/1

06:10-06:50

2 stops19h 40m

London Heathrow

Wed 21/1

11:45-22:56

2 stops16h 11m

£473

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 12/1

06:10-10:15

2 stops23h 05m

London Heathrow

Tue 20/1

08:40-22:56

2 stops19h 16m

£473

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 12/1

06:10-07:50

2 stops20h 40m

London Heathrow

Thu 22/1

08:40-22:56

2 stops19h 16m

£473

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 18/2

12:08-09:00

1 stop15h 52m

London Heathrow

Mon 23/2

06:20-23:33

2 stops22h 13m

£473

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 20/12

21:02-17:15

3 stops39h 13m

£513

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Showing 1-10 of 20 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, February is the cheapest month in which you can book a flight from Harrisburg to London Heathrow Airport (average of £355). Flying from Harrisburg to London Heathrow Airport in June is currently the most expensive (average of £541). 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 01m. Delta provides one of the quickest options available for as low as £470. The distance from Harrisburg to London Heathrow Airport is about 3581 mi.

  • 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, February is the cheapest month in which you can book a flight from Harrisburg to London Heathrow Airport (average of £355). Flying from Harrisburg to London Heathrow Airport in June is currently the most expensive (average of £541). 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
Slough
Northampton
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Watford
Hayes
Crawley
Winchester
Swindon
Deal
Bedford
Romford
Chichester

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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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