How long is the flight from Harrisburg to London?

For as low as £561, Delta can have you in London from Harrisburg in 13h 01m. The distance from Harrisburg to London 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 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 City and Harrisburg - London Gatwick.

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.

£246+ 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 12 September 2026.

Tue 27/1014:56 -

1 stop12h 54m

Tue 3/1106:30 -

2 stops14h 36m

Deal found 12/9£547

Sat 3/1014:55 -

2 stops14h 30m

Mon 5/1006:50 -

2 stops15h 02m

Deal found 10/9£561

Mon 7/1214:10 -

2 stops14h 55m

Wed 9/1207:40 -

1 stop16h 23m

Deal found 7/9£564

Wed 2/1218:33 -

1 stop12h 07m

Sat 12/1206:30 -

2 stops21h 32m

Deal found 11/9£584

Thu 5/1112:13 -

1 stop14h 32m

Mon 9/1111:30 -

2 stops17h 20m

Deal found 9/9£621

Wed 2/1218:33 -

2 stops17h 02m

Sat 12/1208:40 -

2 stops19h 22m

Deal found 11/9£621

Thu 5/1117:10 -

2 stops17h 35m

Mon 9/1110:00 -

2 stops18h 50m

Deal found 9/9£635

Tue 6/1017:10 -

2 stops17h 50m

Mon 12/1010:25 -

2 stops18h 14m

Deal found 10/9£661

Tue 6/1012:18 -

2 stops25h 07m

Mon 12/1011:35 -

2 stops40h 24m

Deal found 8/9£697

Thu 5/1112:13 -

2 stops14h 02m

Mon 9/1110:00 -

2 stops18h 06m

Deal found 9/9£749

Thu 17/912:15 -

2 stops14h 40m

Mon 21/908:25 -

2 stops19h 50m

Deal found 8/9£820

Fri 11/909:08 -

1 stop19h 52m

Sun 13/914:00 -

1 stop25h 13m

Deal found 8/9£826

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 12 September 2026.

Tue 27/1014:56 -

1 stop14h 04m

Tue 3/1108:55 -

1 stop13h 43m

Deal found 12/9£552

Sat 3/1017:54 -

1 stop13h 01m

Mon 5/1006:50 -

2 stops19h 42m

Deal found 10/9£561

Tue 6/1012:18 -

2 stops25h 07m

Mon 12/1011:35 -

2 stops40h 24m

Deal found 9/9£698

Mon 7/1214:10 -

2 stops14h 55m

Wed 9/1207:40 -

1 stop16h 23m

Deal found 7/9£564

Wed 2/1218:33 -

1 stop12h 07m

Sat 12/1206:30 -

2 stops21h 32m

Deal found 11/9£584

Wed 2/1218:33 -

2 stops17h 02m

Sat 12/1208:40 -

2 stops19h 22m

Deal found 10/9£621

Sun 11/1014:08 -

1 stop11h 37m

Tue 27/1006:50 -

2 stops20h 54m

Deal found 9/9£635

Thu 5/1117:10 -

2 stops17h 35m

Mon 9/1110:00 -

2 stops18h 50m

Deal found 9/9£635

Tue 6/1006:30 -

1 stop21h 30m

Mon 12/1006:50 -

2 stops32h 01m

Deal found 10/9£641

Thu 24/906:15 -

2 stops18h 40m

Sun 27/906:50 -

2 stops21h 39m

Deal found 10/9£644

Tue 6/1017:10 -

2 stops17h 50m

Mon 12/1010:25 -

2 stops18h 14m

Deal found 10/9£661

Thu 3/1213:59 -

2 stops22h 31m

Mon 7/1213:30 -

2 stops36h 29m

Deal found 8/9£908

Wed 30/910:40 -

1 stop15h 05m

Mon 5/1006:50 -

2 stops15h 02m

Deal found 9/9£658

Wed 30/914:35 -

2 stops15h 55m

Mon 5/1009:35 -

2 stops18h 24m

Deal found 9/9£957

Sun 6/1217:06 -

2 stops17h 39m

Sun 20/1210:00 -

2 stops18h 10m

Deal found 12/9£735

Thu 8/1011:44 -

2 stops16h 41m

Thu 15/1010:25 -

2 stops17h 33m

Deal found 10/9£882

Thu 1/1012:15 -

2 stops16h 15m

Mon 5/1008:25 -

2 stops19h 50m

Deal found 8/9£907

Thu 24/911:57 -

2 stops16h 28m

Sun 27/910:25 -

2 stops17h 50m

Deal found 10/9£963

Fri 18/1212:28 -

2 stops14h 42m

Sat 26/1208:40 -

2 stops19h 30m

Deal found 8/9£1,109

Sat 17/1017:10 -

2 stops17h 50m

Tue 20/1010:35 -

2 stops17h 23m

Deal found 7/9£2,475

Wed 30/918:09 -

2 stops16h 51m

Mon 5/1010:25 -

2 stops17h 50m

Deal found 9/9£3,353

Fri 20/1112:30 -

2 stops15h 30m

Sun 29/1110:00 -

2 stops18h 06m

Deal found 12/9£3,551

Sat 26/912:30 -

2 stops15h 50m

Mon 28/910:25 -

2 stops18h 15m

Deal found 8/9£3,619

Find flight deals from Harrisburg to London

Round-trip from	£547
One-way from	£246
Popular in	December
Cheapest in	November
Average price	£769

Delta
27/10-3/11
3 total stops
27h 30m total
Harrisburg to London

Search Deals

Delta
26/9-31/12
1 total stop
20h 00m 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 September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Sat 26/9

06:10-07:10

1 stop20h 00m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£246

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Mon 30/11

10:30-06:40

1 stop15h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£246

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Fri 25/9

18:09-13:15

1 stop14h 06m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£298

Fastest return journey

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Tue 15/12

14:30-06:40

1 stop11h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£351

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Fri 25/9

15:00-10:30

2 stops14h 30m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£376

HarrisburgLondon

MDT Harrisburg - LGW London Gatwick

MDTLGW

Harrisburg

Fri 20/11

17:00-09:50

3 stops59h 50m

London Gatwick

Wed 31/12

00:00-18:00

Nonstop0h 00m

£413

HarrisburgLondon

MDT Harrisburg - LCY London City

MDTLCY

Harrisburg

Fri 20/11

10:30-11:40

2 stops20h 10m

London City

Wed 31/12

00:00-18:00

Nonstop0h 00m

£425

HarrisburgLondon

MDT Harrisburg - SEN London Southend

MDTSEN

Harrisburg

Fri 20/11

17:00-22:15

3 stops48h 15m

London Southend

Wed 31/12

00:00-18:00

Nonstop0h 00m

£448

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Fri 25/9

06:30-06:45

1 stop19h 15m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£465

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Sat 26/9

14:08-10:40

2 stops15h 32m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£465

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 35 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-LGW

MDT-LCY

MDT-SEN

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-LGW

MDT-LCY

MDT-SEN

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 £547). 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 £561, Delta can have you in London from Harrisburg in 13h 01m. The distance from Harrisburg to London is about 3581 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 City and Harrisburg - London Gatwick.
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 £547). 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 £246

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/9. 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 12 September 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 12 September 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 12 September 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 12 September 2026.

Last-minute flights from Harrisburg to LondonDiscover last-minute flight deals from Harrisburg to London. Data last updated 12 September 2026 and is based on user searches.

Discover last-minute flight deals from Harrisburg to London. Data last updated 12 September 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 12 September 2026.

Search for one-way flight options from Harrisburg to London. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

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Best time to book a flight from Harrisburg to London

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Cheapflights Insights

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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Other flights 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 12 September 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 12 September 2026.

Last-minute flights from Harrisburg to London
Discover last-minute flight deals from Harrisburg to London. Data last updated 12 September 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 12 September 2026.