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Cheap flights from Harrisburg to London Heathrow Airport from £556

MDT — LHR
26 Oct — 2 Nov1
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

Mon 7/1217:39 -
1 stop13h 21m
Wed 9/1211:05 -
2 stops34h 53m
Deal found 22/9£556
Tue 20/1011:44 -
1 stop14h 31m
Wed 11/1106:30 -
2 stops14h 48m
Deal found 22/9£557
Tue 20/1011:44 -
1 stop14h 31m
Tue 27/1016:00 -
1 stop22h 59m
Deal found 22/9£562
Tue 13/1017:10 -
2 stops14h 55m
Tue 20/1018:35 -
2 stops21h 58m
Deal found 22/9£565
Tue 20/1012:13 -
2 stops14h 27m
Thu 12/1111:30 -
2 stops17h 20m
Deal found 22/9£579
Tue 20/1012:13 -
2 stops14h 27m
Fri 13/1106:30 -
2 stops16h 07m
Deal found 22/9£580
Sun 6/1212:28 -
1 stop14h 22m
Fri 8/110:50 -
1 stop17h 48m
Deal found 22/9£594
Thu 22/1011:44 -
1 stop18h 36m
Thu 29/1008:55 -
2 stops18h 03m
Deal found 22/9£595
Thu 22/1011:44 -
2 stops14h 26m
Fri 13/1106:30 -
2 stops21h 36m
Deal found 22/9£598

Find flight deals from Harrisburg to Heathrow

Round-trip from

£556

Popular in

June

Cheapest in

October

Average price

£863
United Airlines
  • United Airlines
  • 7/12-9/12
  • 3 total stops
  • 48h 14m total
  • Harrisburg to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£34 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Harrisburg to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Mon 7/12

17:39-12:00

1 stop13h 21m

London Heathrow

Wed 9/12

11:05-16:58

2 stops34h 53m

£556
Fastest return journey

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Wed 21/10

14:56-07:15

1 stop11h 19m

London Heathrow

Wed 28/10

08:55-23:39

1 stop18h 44m

£562

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Tue 13/10

06:13-07:10

1 stop19h 57m

London Heathrow

Tue 20/10

18:35-11:33

2 stops21h 58m

£565

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Sun 8/11

06:00-06:25

1 stop19h 25m

London Heathrow

Sun 15/11

08:55-23:06

2 stops19h 11m

£595

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Wed 2/12

12:20-09:25

2 stops16h 05m

London Heathrow

Sat 12/12

06:20-23:10

2 stops21h 50m

£598

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Tue 1/12

06:00-06:25

1 stop19h 25m

London Heathrow

Sat 5/12

08:40-23:10

2 stops19h 30m

£652

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Mon 9/11

10:42-07:55

1 stop16h 13m

London Heathrow

Mon 16/11

06:50-23:44

2 stops21h 54m

£656

Flights are sorted by cheapest return flights first.

Deals found on 23/9

Sorted by cheapest first

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

Related info for your journey

  • 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 19m. United Airlines provides one of the quickest options available for as low as £562. 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.

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
Hounslow
Luton
Milton Keynes
Gatwick
Wembley
Slough
Ilford
Hayes
Croydon
Northampton
Colchester
Eastbourne
Enfield
Brentford
Southend-on-Sea
Barnet
Southall
Watford
Stratford-upon-Avon
Kingston upon Thames

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