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

A quick flight from Harrisburg to London Heathrow Airport can take about 13h 21m. United Airlines provides one of the quickest options available for as low as £556. 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.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest time of day to fly from MDT to LHR?

When flying from Harrisburg to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

£249+ Cheap Flights from Harrisburg to London Heathrow Airport

Cheap flight deals from Harrisburg to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

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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 10 October 2026.

Mon 7/1217:39 -

1 stop13h 21m

Wed 9/1211:05 -

2 stops34h 53m

Deal found 7/10£555

Mon 2/1114:38 -

1 stop11h 02m

Mon 9/1109:00 -

2 stops19h 44m

Deal found 5/10£651

Sat 28/1112:30 -

1 stop12h 55m

Sat 5/1206:30 -

2 stops21h 40m

Deal found 7/10£652

Thu 3/1206:00 -

1 stop19h 25m

Fri 11/1206:30 -

2 stops14h 46m

Deal found 6/10£653

Wed 9/1206:17 -

2 stops19h 53m

Mon 14/1206:35 -

2 stops17h 15m

Deal found 6/10£655

Wed 2/1212:28 -

1 stop12h 57m

Sat 12/1206:20 -

2 stops21h 50m

Deal found 7/10£657

Find flight deals from Harrisburg to Heathrow

Round-trip from	£555
One-way from	£249
Popular in	April
Cheapest in	October
Average price	£566

United Airlines
7/12-9/12
3 total stops
48h 14m total
Harrisburg to London

Search Deals

United Airlines
4/11-31/12
2 total stops
14h 58m total
Harrisburg to London

Search Deals

High demand for flights, 4% potential price rise

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 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

Wed 4/11

10:42-06:40

2 stops14h 58m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

Fastest return journey

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Wed 4/11

11:25-07:20

1 stop14h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Tue 3/11

06:30-05:55

1 stop18h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Sat 21/11

17:41-05:55

1 stop31h 14m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£280

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Wed 4/11

12:13-11:40

2 stops18h 27m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£307

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

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Sat 3/4

17:31-06:45

1 stop32h 14m

London Heathrow

Mon 5/4

17:50-18:28

2 stops29h 38m

£572

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Thu 3/12

06:00-06:25

1 stop19h 25m

London Heathrow

Fri 11/12

06:30-16:16

2 stops14h 46m

£653

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Mon 2/11

20:13-07:10

2 stops29h 57m

London Heathrow

Mon 9/11

09:00-23:44

2 stops19h 44m

£654

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Sat 28/11

06:00-07:05

2 stops20h 05m

London Heathrow

Sat 5/12

06:30-23:10

2 stops21h 40m

£656

Flights are sorted by cheapest return flights first.

Deals found on 8/10

Showing 1-10 of 12 resultsSorted 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.

MDT-LHR

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.

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 13h 21m. United Airlines provides one of the quickest options available for as low as £556. 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.

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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?

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Can Cheapflights notify me if prices for flights from Harrisburg to Heathrow become cheaper?

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Cheap flights from Harrisburg to London Heathrow Airport from £249

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Harrisburg to Heathrow

Cheapest flights from Harrisburg to HeathrowExplore 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 10 October 2026.

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 10 October 2026.

Best flights from Harrisburg to HeathrowDiscover carefully curated flight deals from Harrisburg to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Discover carefully curated flight deals from Harrisburg to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Last-minute flights from Harrisburg to HeathrowDiscover last-minute flight deals from Harrisburg to Heathrow. Data last updated 10 October 2026 and is based on user searches.

Discover last-minute flight deals from Harrisburg to Heathrow. Data last updated 10 October 2026 and is based on user searches.

One-way flights from Harrisburg to HeathrowSearch for one-way flight options from Harrisburg to Heathrow. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

Search for one-way flight options from Harrisburg to Heathrow. Find affordable one-way fares based on user searches. Data last updated 10 October 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.

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.

Related info for your journey

What airport do you fly from for flights from Harrisburg to London Heathrow?

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

Can I find deals for flights from Harrisburg to Heathrow that include hotel bookings?

How can I find direct flights from Harrisburg to Heathrow?

Can I find deals for business class flights from Harrisburg to Heathrow?

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Harrisburg to Heathrow

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Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

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Search flights from Harrisburg to Heathrow by cabin class

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Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 10 October 2026.

Harrisburg and Heathrow flights

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Can Cheapflights notify me if prices for flights from Harrisburg to Heathrow become cheaper?

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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 10 October 2026.

Best flights from Harrisburg to Heathrow
Discover carefully curated flight deals from Harrisburg to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Last-minute flights from Harrisburg to Heathrow
Discover last-minute flight deals from Harrisburg to Heathrow. Data last updated 10 October 2026 and is based on user searches.

One-way flights from Harrisburg to Heathrow
Search for one-way flight options from Harrisburg to Heathrow. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.