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Cheap flights from Harrisburg to London Heathrow Airport from £292

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LHR
18 Oct — 25 Oct1
1 adult
1 adult, Economy

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 18 September 2025.

Round-trip from

£384

One-way from

£292

Popular in

December

Cheapest in

January

Average price

£555
Delta
  • Delta
  • 3/11-11/11
  • 3 total stops
  • 31h 46m total
  • Harrisburg to London
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United Airlines
  • United Airlines
  • 5/10
  • 1 total stop
  • 22h 30m total
  • Harrisburg to London
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£51 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£29 potential savings vs. average return price).
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Average for round-trip flights in September 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 18 September 2025.

Mon 3/1112:33MDT - LHR
1 stop15h 12mDelta
Tue 11/1106:20LHR - MDT
2 stops21h 44mDelta
Deal found 16/9£384
Wed 15/1018:25MDT - LHR
1 stop14h 05mDelta
Wed 22/1008:40LHR - MDT
2 stops19h 28mDelta
Deal found 16/9£385
Wed 5/1111:44MDT - LHR
2 stops16h 01mDelta
Wed 12/1108:55LHR - MDT
2 stops19h 19mDelta
Deal found 16/9£388
Wed 15/1018:25MDT - LHR
1 stop14h 05mKLM
Wed 22/1013:05LHR - MDT
1 stop15h 03mKLM
Deal found 16/9£390
Thu 6/1111:44MDT - LHR
1 stop15h 06mDelta
Mon 10/1106:20LHR - MDT
2 stops21h 44mDelta
Deal found 17/9£458
Thu 6/1112:09MDT - LHR
1 stop15h 36mKLM
Mon 10/1108:55LHR - MDT
1 stop19h 19mKLM
Deal found 17/9£464
Wed 1/1006:15MDT - LHR
2 stops19h 15mUnited Airlines
Wed 8/1007:25LHR - MDT
2 stops31h 04mUnited Airlines
Deal found 15/9£467

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 18 September 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

Mon 3/11

12:33-08:45

1 stop15h 12m

London Heathrow

Tue 11/11

06:20-23:04

2 stops21h 44m

£384

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 22/10

11:44-07:15

1 stop14h 31m

London Heathrow

Wed 29/10

06:30-23:08

2 stops20h 38m

£385

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 15/10

18:25-13:30

1 stop14h 05m

London Heathrow

Wed 22/10

08:40-23:08

2 stops19h 28m

£385

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 3/11

17:00-08:45

1 stop10h 45m

London Heathrow

Tue 11/11

13:00-23:04

1 stop15h 04m

£390

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 15/10

18:25-13:30

1 stop14h 05m

London Heathrow

Wed 22/10

13:05-23:08

1 stop15h 03m

£390

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 5/11

11:44-09:00

1 stop16h 16m

London Heathrow

Wed 12/11

08:55-23:14

1 stop19h 19m

£390

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 22/10

18:25-11:10

1 stop11h 45m

London Heathrow

Wed 29/10

15:50-10:59

1 stop23h 09m

£391

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 5/10

08:15-11:45

1 stop22h 30m

£292

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 21/2

06:30-05:55

1 stop18h 25m

£325

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 24/12

06:30-06:30

2 stops19h 00m

£335

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 13 results
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 £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.

  • How long is the flight from Harrisburg to London Heathrow Airport?

    A quick flight from Harrisburg to London Heathrow Airport can take about 15h 12m. Delta provides one of the quickest options available for as low as £384. 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, 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
Slough
Gatwick
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Swindon
Dartford
Guildford
Brentford

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Alternative routes for Harrisburg to Heathrow

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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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