How long is the flight from Harrisburg to London?

For as low as £686, United Airlines can have you in London from Harrisburg in 14h 06m. The distance from Harrisburg to London is about 3601 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 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 when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, 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 are the most popular routes from Harrisburg to London?

The most popular flight routes from Harrisburg to London are Harrisburg - London Heathrow, Harrisburg - London Gatwick and Harrisburg - London City.

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

When flying from Harrisburg to London, 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?

Most people fly from Harrisburg (MDT) if they book a flight from Harrisburg to London. On average, Harrisburg has 0 outbound flights to London per day from 0 airlines. Harrisburg is conveniently located just 8.5 mi from Harrisburg’s city center.

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

Yes. In addition to deals on Harrisburg to London flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Harrisburg to London?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harrisburg to London.

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

Yes. Cheapflights offers flight deals from Harrisburg to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£379+ Cheap Flights from Harrisburg to London

Cheap flight deals from Harrisburg to London

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Harrisburg to London
Explore the most affordable flight options available from Harrisburg to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 August 2026.

Mon 7/1214:10 -

2 stops14h 55m

Wed 9/1207:40 -

1 stop16h 23m

Deal found 27/8£563

Wed 7/1011:44 -

1 stop14h 31m

Tue 13/1008:55 -

2 stops19h 03m

Deal found 25/8£647

Tue 13/1014:55 -

1 stop11h 00m

Tue 20/1008:00 -

1 stop13h 52m

Deal found 29/8£663

Wed 2/1218:33 -

1 stop12h 07m

Sat 12/1206:30 -

2 stops21h 32m

Deal found 25/8£663

Wed 14/1014:55 -

1 stop11h 00m

Thu 22/1012:00 -

2 stops16h 29m

Deal found 28/8£666

Wed 25/1112:09 -

2 stops14h 06m

Wed 2/1210:00 -

2 stops18h 02m

Deal found 25/8£686

Wed 2/1218:33 -

2 stops17h 02m

Sat 12/1208:40 -

2 stops19h 22m

Deal found 29/8£686

Wed 7/1012:18 -

2 stops18h 52m

Tue 13/1013:25 -

2 stops36h 50m

Deal found 25/8£738

Thu 29/1014:32 -

2 stops18h 48m

Mon 2/1107:15 -

2 stops16h 47m

Deal found 27/8£878

Thu 3/1214:30 -

2 stops13h 45m

Mon 7/1209:50 -

2 stops37h 38m

Deal found 27/8£896

Thu 24/912:29 -

2 stops15h 41m

Thu 1/1009:50 -

2 stops16h 25m

Deal found 25/8£972

Sun 20/914:35 -

2 stops15h 55m

Fri 25/909:50 -

2 stops18h 21m

Deal found 25/8£1,111

Best flights from Harrisburg to London
Discover carefully curated flight deals from Harrisburg to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 August 2026.

Sun 31/117:39 -

1 stop33h 16m

Wed 3/206:50 -

2 stops16h 38m

Deal found 29/8£561

Wed 6/112:25 -

1 stop14h 25m

Wed 13/110:00 -

2 stops18h 38m

Deal found 25/8£648

Wed 25/1112:09 -

2 stops14h 06m

Wed 2/1210:00 -

2 stops18h 02m

Deal found 25/8£686

Wed 7/1012:18 -

2 stops18h 52m

Tue 13/1013:25 -

2 stops36h 50m

Deal found 25/8£738

Thu 3/1214:30 -

2 stops13h 45m

Mon 7/1209:50 -

2 stops37h 38m

Deal found 27/8£896

Mon 7/1214:10 -

2 stops14h 55m

Wed 9/1207:40 -

1 stop16h 23m

Deal found 25/8£563

Wed 2/1218:33 -

2 stops17h 02m

Sat 12/1208:40 -

2 stops19h 22m

Deal found 29/8£686

Wed 14/1014:08 -

1 stop11h 37m

Wed 21/1006:50 -

2 stops15h 02m

Deal found 29/8£640

Wed 14/1014:55 -

1 stop11h 00m

Thu 22/1016:40 -

1 stop11h 49m

Deal found 28/8£663

Thu 29/1014:32 -

2 stops18h 48m

Mon 2/1107:15 -

2 stops16h 47m

Deal found 27/8£878

Thu 24/912:29 -

2 stops15h 41m

Thu 1/1009:50 -

2 stops16h 25m

Deal found 25/8£972

Fri 18/1217:06 -

2 stops17h 39m

Sat 26/1210:00 -

2 stops18h 56m

Deal found 28/8£1,183

Sun 20/914:35 -

2 stops15h 55m

Fri 25/909:50 -

2 stops18h 21m

Deal found 25/8£1,111

Wed 2/1214:30 -

2 stops14h 05m

Sat 12/1220:15 -

2 stops27h 13m

Deal found 29/8£5,393

Thu 3/1217:06 -

2 stops17h 39m

Sun 6/1210:00 -

2 stops18h 48m

Deal found 27/8£2,287

Wed 7/1011:44 -

2 stops16h 41m

Tue 13/1010:35 -

2 stops17h 23m

Deal found 25/8£2,373

Thu 3/1214:30 -

2 stops13h 45m

Sun 6/1217:15 -

2 stops30h 13m

Deal found 27/8£4,629

Sun 20/911:57 -

2 stops16h 28m

Fri 25/910:25 -

2 stops18h 15m

Deal found 25/8£3,580

Thu 14/114:30 -

2 stops14h 05m

Tue 19/120:15 -

2 stops27h 13m

Deal found 27/8£5,400

Find flight deals from Harrisburg to London

Round-trip from	£561
One-way from	£379
Popular in	December
Cheapest in	November
Average price	£577

United Airlines
31/1-3/2
3 total stops
49h 54m total
Harrisburg to London

Search Deals

United Airlines
9/10
1 total stop
15h 05m total
Harrisburg to London

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£26 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Sun 31/1

17:39-07:55

1 stop33h 16m

London Heathrow

Wed 3/2

06:50-18:28

2 stops16h 38m

£561

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Mon 7/12

14:10-10:05

2 stops14h 55m

London Heathrow

Wed 9/12

07:40-19:03

1 stop16h 23m

£563

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Wed 14/10

14:08-06:45

1 stop11h 37m

London Heathrow

Wed 21/10

06:50-16:52

2 stops15h 02m

£640

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Wed 6/1

12:25-07:50

1 stop14h 25m

London Heathrow

Wed 13/1

10:00-23:38

2 stops18h 38m

£648

Fastest return journey

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Wed 14/10

14:55-06:55

1 stop11h 00m

London Heathrow

Thu 22/10

16:40-23:29

1 stop11h 49m

£663

HarrisburgLondon

MDT Harrisburg - LCY London City

MDTLCY

Harrisburg

Wed 25/11

12:09-07:15

2 stops14h 06m

London City

Wed 2/12

10:00-23:02

2 stops18h 02m

£686

HarrisburgLondon

MDT Harrisburg - LCY London City

MDTLCY

Harrisburg

Wed 2/12

18:33-16:35

2 stops17h 02m

London City

Sat 12/12

08:40-23:02

2 stops19h 22m

£686

HarrisburgLondon

MDT Harrisburg - LCY London City

MDTLCY

Harrisburg

Wed 7/10

12:18-12:10

2 stops18h 52m

London City

Tue 13/10

13:25-21:15

2 stops36h 50m

£738

HarrisburgLondon

MDT Harrisburg - LCY London City

MDTLCY

Harrisburg

Thu 29/10

14:32-13:20

2 stops18h 48m

London City

Mon 2/11

07:15-19:02

2 stops16h 47m

£878

HarrisburgLondon

MDT Harrisburg - LCY London City

MDTLCY

Harrisburg

Thu 3/12

14:30-09:15

2 stops13h 45m

London City

Mon 7/12

09:50-18:28

2 stops37h 38m

£896

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 20 resultsSorted by cheapest first

Best time to book a flight from Harrisburg to London

Have a flexible travel schedule? Discover the best time to fly to London from Harrisburg with our price prediction graph.

MDT-LON

MDT-LHR

MDT-LCY

MDT-LGW

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

MDT-LON

MDT-LHR

MDT-LCY

MDT-LGW

What is the cheapest month to book a flight from Harrisburg to London?

Currently, April is the cheapest month in which you can book a flight from Harrisburg to London (average of £546). Flying from Harrisburg to London in June is currently the most expensive (average of £864). 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

What airport do you fly from for flights from Harrisburg to London?
Most people fly from Harrisburg (MDT) if they book a flight from Harrisburg to London. On average, Harrisburg has 0 outbound flights to London per day from 0 airlines. Harrisburg is conveniently located just 8.5 mi from Harrisburg’s city center.
How long is the flight from Harrisburg to London?
For as low as £686, United Airlines can have you in London from Harrisburg in 14h 06m. The distance from Harrisburg to London is about 3601 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most popular routes from Harrisburg to London?
The most popular flight routes from Harrisburg to London are Harrisburg - London Heathrow, Harrisburg - London Gatwick and Harrisburg - London City.
Can I find deals for flights from Harrisburg to London that include hotel bookings?
Yes. In addition to deals on Harrisburg to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Harrisburg to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harrisburg to London.
Can I find deals for business class flights from Harrisburg to London?
Yes. Cheapflights offers flight deals from Harrisburg to London 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?
Currently, April is the cheapest month in which you can book a flight from Harrisburg to London (average of £546). Flying from Harrisburg to London in June is currently the most expensive (average of £864). 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

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How does Cheapflights help users find flights from Harrisburg to London?

Cheapflights helps you search for flights from Harrisburg to London 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 London?

Cheapflights simply makes it quick and affordable to book flights from Harrisburg to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Harrisburg to London with no change fees?

Yes! Cheapflights helps users easily find flights from Harrisburg to London with no change fees.

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

Of course! You can now track prices for flights from Harrisburg to London 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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Cheap flights from Harrisburg to London from £379

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Harrisburg to London

Cheapest flights from Harrisburg to LondonExplore the most affordable flight options available from Harrisburg to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 August 2026.

Explore the most affordable flight options available from Harrisburg to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 August 2026.

Best flights from Harrisburg to LondonDiscover carefully curated flight deals from Harrisburg to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 August 2026.

Discover carefully curated flight deals from Harrisburg to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 August 2026.

Last-minute flights from Harrisburg to LondonDiscover last-minute flight deals from Harrisburg to London. Data last updated 30 August 2026 and is based on user searches.

Discover last-minute flight deals from Harrisburg to London. Data last updated 30 August 2026 and is based on user searches.

One-way flights from Harrisburg to LondonSearch for one-way flight options from Harrisburg to London. Find affordable one-way fares based on user searches. Data last updated 30 August 2026.

Search for one-way flight options from Harrisburg to London. Find affordable one-way fares based on user searches. Data last updated 30 August 2026.

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Best time to book a flight from Harrisburg to London

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What is the cheapest month to book a flight from Harrisburg to London?

Related info for your journey

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

How long is the flight from Harrisburg to London?

What are the most popular routes from Harrisburg to London?

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

How can I find direct flights from Harrisburg to London?

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

What is the cheapest month to book a flight from Harrisburg to London?

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

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Cheapest flights from Harrisburg to London
Explore the most affordable flight options available from Harrisburg to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 August 2026.

Best flights from Harrisburg to London
Discover carefully curated flight deals from Harrisburg to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 August 2026.

Last-minute flights from Harrisburg to London
Discover last-minute flight deals from Harrisburg to London. Data last updated 30 August 2026 and is based on user searches.

One-way flights from Harrisburg to London
Search for one-way flight options from Harrisburg to London. Find affordable one-way fares based on user searches. Data last updated 30 August 2026.