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Cheap flights from Harrisburg to London Heathrow Airport from £256

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 20/3. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LHR
27 Feb — 6 Mar1
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 28 January 2026.

Wed 11/310:40
MDT
-
LHR
1 stop16h 00m
United Airlines
Wed 18/306:50
LHR
-
MDT
2 stops20h 23m
United Airlines
Deal found 25/1£459
Wed 2/906:00
MDT
-
LHR
2 stops19h 30m
United Airlines
Wed 23/906:50
LHR
-
MDT
2 stops31h 34m
United Airlines
Deal found 25/1£475
Fri 27/214:59
MDT
-
LHR
1 stop10h 36m
Multiple Airlines
Tue 3/306:05
LHR
-
MDT
2 stops18h 05m
Multiple Airlines
Deal found 27/1£476
Fri 27/214:59
MDT
-
LHR
1 stop10h 36m
British Airways
Tue 3/313:10
LHR
-
MDT
1 stop11h 00m
British Airways
Deal found 27/1£478
Sun 5/408:29
MDT
-
LHR
1 stop22h 16m
United Airlines
Thu 30/407:30
LHR
-
MDT
2 stops18h 49m
United Airlines
Deal found 25/1£478
Wed 12/814:17
MDT
-
LHR
1 stop11h 33m
British Airways
Wed 26/820:55
LHR
-
MDT
2 stops28h 43m
British Airways
Deal found 27/1£479
Wed 8/410:40
MDT
-
LHR
2 stops18h 20m
United Airlines
Thu 30/407:30
LHR
-
MDT
2 stops18h 49m
United Airlines
Deal found 25/1£481
Tue 7/410:40
MDT
-
LHR
2 stops15h 05m
United Airlines
Fri 24/407:30
LHR
-
MDT
2 stops18h 48m
United Airlines
Deal found 25/1£482
Wed 8/409:56
MDT
-
LHR
1 stop19h 24m
British Airways
Tue 28/409:15
LHR
-
MDT
2 stops18h 38m
British Airways
Deal found 25/1£486
Sun 5/406:10
MDT
-
LHR
1 stop20h 00m
Delta
Tue 28/410:45
LHR
-
MDT
1 stop17h 17m
Delta
Deal found 25/1£491
Tue 7/406:15
MDT
-
LHR
1 stop23h 25m
United Airlines
Mon 27/415:30
LHR
-
MDT
2 stops30h 21m
United Airlines
Deal found 25/1£494

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 28 January 2026.

Round-trip from

£459

One-way from

£256

Popular in

June

Cheapest in

November

Average price

£528
United Airlines
  • United Airlines
  • 11/3-18/3
  • 3 total stops
  • 36h 23m total
  • Harrisburg to London
Search Deals
20/3
  • 20/3
  • 3 total stops
  • 44h 04m total
  • Harrisburg to London
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£48 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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 28 January 2026.
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 11/3

10:40-06:40

1 stop16h 00m

London Heathrow

Wed 18/3

06:50-23:13

2 stops20h 23m

£459

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 12/3

10:40-06:40

1 stop16h 00m

London Heathrow

Thu 19/3

06:50-23:13

2 stops20h 23m

£459

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 27/2

14:59-06:35

1 stop10h 36m

London Heathrow

Tue 3/3

06:05-19:10

2 stops18h 05m

£476

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 27/2

14:59-06:35

1 stop10h 36m

London Heathrow

Tue 3/3

13:10-19:10

1 stop11h 00m

£478

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 8/4

06:15-06:45

1 stop19h 30m

London Heathrow

Thu 30/4

07:30-21:19

2 stops18h 49m

£478

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 5/4

08:29-11:45

1 stop22h 16m

London Heathrow

Thu 30/4

07:30-21:19

2 stops18h 49m

£478

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 8/4

06:15-06:55

1 stop19h 40m

London Heathrow

Fri 24/4

07:30-21:18

2 stops18h 48m

£478

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 7/4

14:49-06:55

1 stop11h 06m

London Heathrow

Thu 30/4

07:30-21:19

2 stops18h 49m

£478

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 6/4

06:15-11:45

1 stop24h 30m

London Heathrow

Fri 24/4

07:30-21:18

2 stops18h 48m

£478

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 8/4

06:10-07:10

1 stop20h 00m

London Heathrow

Thu 30/4

11:15-23:59

1 stop17h 44m

£491

Flights are sorted by cheapest return flights first.

Deals found on 25/1

Showing 1-10 of 15 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 £348). Flying from Harrisburg to London Heathrow Airport in June is currently the most expensive (average of £523). 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 36m. United Airlines provides one of the quickest options available for as low as £478. 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 £348). Flying from Harrisburg to London Heathrow Airport in June is currently the most expensive (average of £523). 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
Luton
Croydon
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Watford
Colchester
Guildford
Swindon
Chelmsford
Bedford
Crawley
Kingston upon Thames
Eastbourne

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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

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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