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Cheap flights from Harrisburg to London Heathrow Airport from £306

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LHR
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

£552

One-way from

£306

Popular in

December

Cheapest in

October

Average price

£720
United Airlines
  • United Airlines
  • 8/10-24/10
  • 2 total stops
  • 22h 56m total
  • Harrisburg to London
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United Airlines
  • United Airlines
  • 20/9
  • 2 total stops
  • 35h 06m total
  • Harrisburg to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£56 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£32 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 13 June 2025.

Wed 8/1014:43MDT - LHR
1 stop11h 12mUnited Airlines
Fri 24/1012:15LHR - MDT
1 stop11h 44mUnited Airlines
Deal found 12/6£552
Wed 30/713:00MDT - LHR
1 stop16h 30mBritish Airways
Mon 4/821:35LHR - MDT
2 stops29h 28mBritish Airways
Deal found 10/6£587
Thu 9/1012:35MDT - LHR
1 stop15h 20mKLM
Fri 24/1015:15LHR - MDT
1 stop13h 23mKLM
Deal found 12/6£589
Wed 30/718:36MDT - LHR
1 stop10h 54mAmerican Airlines
Mon 4/810:05LHR - MDT
1 stop15h 15mAmerican Airlines
Deal found 12/6£626
Sun 13/712:33MDT - LHR
2 stops14h 27mDelta
Sun 3/812:25LHR - MDT
2 stops15h 34mDelta
Deal found 12/6£776
Sat 19/716:36MDT - LHR
3 stops45h 14mMultiple Airlines
Sat 26/707:40LHR - MDT
3 stops39h 30mMultiple Airlines
Deal found 11/6£1,159
Thu 3/714:41MDT - LHR
2 stops13h 59mLufthansa
Thu 17/709:30LHR - MDT
2 stops14h 19mLufthansa
Deal found 13/6£2,545

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 13 June 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 8/10

14:43-06:55

1 stop11h 12m

London Heathrow

Fri 24/10

12:15-18:59

1 stop11h 44m

£552

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 30/7

13:00-10:30

1 stop16h 30m

London Heathrow

Mon 4/8

21:35-22:03

2 stops29h 28m

£587

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 9/10

12:35-08:55

1 stop15h 20m

London Heathrow

Fri 24/10

15:15-23:38

1 stop13h 23m

£589

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 30/7

18:36-10:30

1 stop10h 54m

London Heathrow

Mon 4/8

10:05-20:20

1 stop15h 15m

£626

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 13/7

12:33-08:00

2 stops14h 27m

London Heathrow

Sun 3/8

12:25-22:59

2 stops15h 34m

£776

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 19/7

16:36-18:50

3 stops45h 14m

London Heathrow

Sat 26/7

07:40-18:10

3 stops39h 30m

£1,159

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 3/7

14:41-09:40

2 stops13h 59m

London Heathrow

Thu 17/7

09:30-18:49

2 stops14h 19m

£2,545

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 20/9

14:24-06:30

2 stops35h 06m

£306

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 20/9

13:45-11:10

1 stop16h 25m

£330

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 27/10

14:35-06:40

1 stop12h 05m

£1,071

Flights are sorted by cheapest return flights first.

Deals found on 13/6

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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 13 June 2025.
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,950 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,139 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Harrisburg to London Heathrow Airport round-trip?

    Flying on United Airlines is currently your cheapest option to London Heathrow Airport, with prices starting at £552. Additional return tickets that might be worth considering are offered by British Airways and KLM, with the lowest prices starting at £587 and £589, respectively. United Airlines is currently priced 11% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Harrisburg to London Heathrow Airport one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at £306. KLM flights start at £330 while deals on Lufthansa start at £1,071 one-way.

  • 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 Harrisburg?

Book flights to Harrisburg if you plan to visit one of these locations
Deal
Hounslow
Croydon
Milton Keynes
Northampton
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Southend-on-Sea
Watford
Hayes
Ipswich
Winchester
Folkestone
Maidstone
Swindon

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Alternative routes for Harrisburg to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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