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Cheap flights from Harrisburg to London Heathrow Airport from £302

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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LHR
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 14 November 2025.

Wed 17/1206:00MDT - LHR
1 stop19h 25mDelta
Fri 26/1206:30LHR - MDT
2 stops21h 32mDelta
Deal found 11/11£837
Wed 24/1206:00MDT - LHR
1 stop22h 00mDelta
Wed 31/1206:30LHR - MDT
2 stops22h 06mDelta
Deal found 13/11£840
Wed 24/1206:30MDT - LHR
2 stops19h 00mUnited Airlines
Wed 31/1206:35LHR - MDT
2 stops17h 23mUnited Airlines
Deal found 13/11£850
Wed 24/1214:01MDT - LHR
1 stop13h 59mKLM
Wed 31/1212:30LHR - MDT
1 stop16h 06mKLM
Deal found 13/11£861
Thu 18/1211:36MDT - LHR
2 stops14h 09mDelta
Fri 26/1211:45LHR - MDT
2 stops16h 17mDelta
Deal found 11/11£894
Wed 17/1211:33MDT - LHR
1 stop15h 17mDelta
Sat 27/1213:00LHR - MDT
1 stop15h 02mDelta
Deal found 11/11£912
Thu 18/1206:00MDT - LHR
2 stops19h 45mDelta
Sat 27/1206:30LHR - MDT
2 stops21h 32mDelta
Deal found 11/11£947
Thu 18/1209:44MDT - LHR
1 stop17h 06mAmerican Airlines
Sat 27/1210:15LHR - MDT
1 stop13h 52mAmerican Airlines
Deal found 11/11£967
Thu 18/1206:00MDT - LHR
2 stops19h 45mDelta
Sun 28/1208:55LHR - MDT
1 stop19h 41mDelta
Deal found 11/11£968

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 14 November 2025.

Round-trip from

£631

One-way from

£302

Popular in

December

Cheapest in

November

Average price

£404
American Airlines
  • American Airlines
  • 6/3-14/3
  • 2 total stops
  • 22h 33m total
  • Harrisburg to London
Search Deals
Lufthansa
  • Lufthansa
  • 15/2
  • 1 total stop
  • 11h 07m total
  • Harrisburg to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£134 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease (£69 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 14 November 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

Fri 6/3

15:16-06:35

1 stop10h 19m

London Heathrow

Sat 14/3

06:40-21:56

2 stops19h 16m

£663

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 4/1

13:34-06:55

2 stops12h 21m

London Heathrow

Tue 13/1

11:05-23:35

2 stops17h 30m

£702

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 4/1

10:30-10:50

1 stop19h 20m

London Heathrow

Tue 13/1

09:00-21:15

2 stops17h 15m

£710

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 27/3

12:25-09:00

1 stop16h 35m

London Heathrow

Tue 31/3

09:00-22:47

2 stops18h 47m

£730

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 6/3

06:00-06:20

2 stops19h 20m

London Heathrow

Sat 14/3

20:00-16:10

2 stops24h 10m

£739

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 24/4

15:00-10:40

1 stop14h 40m

London Heathrow

Mon 27/4

10:50-23:17

2 stops17h 27m

£762

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 24/4

06:15-06:30

2 stops19h 15m

London Heathrow

Mon 27/4

17:50-21:18

2 stops32h 28m

£763

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 15/2

14:33-06:40

1 stop11h 07m

£302

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 15/2

14:07-10:25

2 stops15h 18m

£303

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 9/2

17:30-11:15

1 stop12h 45m

£303

Flights are sorted by cheapest return flights first.

Deals found on 13/11

Showing 1-10 of 12 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 £360). Flying from Harrisburg to London Heathrow Airport in June is currently the most expensive (average of £565). 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 10h 19m. British Airways provides one of the quickest options available for as low as £663. 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.

  • 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 £360). Flying from Harrisburg to London Heathrow Airport in June is currently the most expensive (average of £565). 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
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

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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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