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Cheap flights from Harrisburg to London Heathrow Airport from £390

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 14/12. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LHR
30 Nov — 7 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 31 October 2025.

Wed 5/1118:25MDT - LHR
1 stop12h 15mDelta
Wed 12/1109:00LHR - MDT
2 stops19h 11mDelta
Deal found 30/10£449
Wed 5/1118:25MDT - LHR
1 stop12h 15mKLM
Wed 12/1112:30LHR - MDT
1 stop15h 41mKLM
Deal found 30/10£455
Tue 2/1210:45MDT - LHR
1 stop14h 10mUnited Airlines
Tue 9/1206:50LHR - MDT
2 stops19h 07mUnited Airlines
Deal found 29/10£471
Sat 6/1212:41MDT - LHR
1 stop15h 24mDelta
Mon 15/1206:30LHR - MDT
2 stops17h 02mDelta
Deal found 30/10£471
Wed 5/1110:25MDT - LHR
2 stops14h 30mUnited Airlines
Wed 12/1106:50LHR - MDT
2 stops17h 25mUnited Airlines
Deal found 29/10£474
Sun 7/1212:41MDT - LHR
2 stops17h 59mDelta
Sun 14/1210:45LHR - MDT
1 stop17h 28mDelta
Deal found 30/10£477
Mon 1/1214:35MDT - LHR
2 stops14h 10mUnited Airlines
Tue 9/1206:50LHR - MDT
2 stops19h 07mUnited Airlines
Deal found 29/10£485
Thu 4/1219:27MDT - LHR
1 stop11h 13mMultiple Airlines
Mon 15/1208:55LHR - MDT
1 stop14h 37mMultiple Airlines
Deal found 30/10£493
Thu 4/1211:33MDT - LHR
2 stops16h 12mDelta
Sat 13/1213:00LHR - MDT
1 stop15h 07mDelta
Deal found 30/10£496
Thu 4/1215:00MDT - LHR
1 stop10h 40mUnited Airlines
Tue 9/1206:50LHR - MDT
2 stops19h 07mUnited Airlines
Deal found 29/10£508

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 31 October 2025.

Round-trip from

£449

One-way from

£390

Popular in

December

Cheapest in

November

Average price

£638
Delta
  • Delta
  • 2/12-9/12
  • 3 total stops
  • 27h 56m total
  • Harrisburg to London
Search Deals
United Airlines
  • United Airlines
  • 14/12
  • 1 total stop
  • 19h 25m total
  • Harrisburg to London
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£175 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 18% potential price decrease (£84 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 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 31 October 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

Tue 2/12

19:27-11:40

1 stop11h 13m

London Heathrow

Tue 9/12

11:30-23:13

2 stops16h 43m

£449

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 29/11

17:40-05:55

1 stop31h 15m

London Heathrow

Tue 9/12

06:50-20:57

2 stops19h 07m

£471

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 2/12

10:45-05:55

1 stop14h 10m

London Heathrow

Tue 9/12

06:50-20:57

2 stops19h 07m

£471

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 1/12

10:25-10:50

1 stop19h 25m

London Heathrow

Tue 9/12

06:50-20:57

2 stops19h 07m

£471

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 3/12

10:45-05:55

1 stop14h 10m

London Heathrow

Tue 9/12

06:50-20:57

2 stops19h 07m

£471

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 6/12

12:41-09:00

2 stops15h 19m

London Heathrow

Mon 15/12

06:30-18:32

2 stops17h 02m

£474

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 4/1

17:24-06:40

2 stops32h 16m

London Heathrow

Tue 13/1

13:25-13:51

2 stops29h 26m

£485

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 6/12

13:07-07:50

1 stop13h 43m

London Heathrow

Mon 15/12

13:00-23:07

1 stop15h 07m

£493

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 4/12

19:27-11:40

1 stop11h 13m

London Heathrow

Mon 15/12

08:55-18:32

1 stop14h 37m

£493

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 30/11

06:15-06:40

1 stop19h 25m

London Heathrow

Tue 9/12

13:35-18:43

1 stop34h 08m

£493

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 11 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 £360). Flying from Harrisburg to London Heathrow Airport in June is currently the most expensive (average of £572). 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 11h 13m. Delta provides one of the quickest options available for as low as £449. 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, January 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 £572). 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
Chichester
Swindon
Crawley
Romford
Brentford
Ipswich

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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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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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