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Cheap flights from Harrisburg to London from £306

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LON
18 Jun — 25 Jun1
1 adult

Cheap flight deals from Harrisburg to London

Discover tips and strategies to find the most affordable flight options for your journey from Harrisburg (MDT) to London (LON). 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 13 June 2025.

Round-trip from

£552

One-way from

£306

Popular in

December

Cheapest in

October

Average price

£587
United Airlines
  • United Airlines
  • 8/10-24/10
  • 2 total stops
  • 22h 56m total
  • Harrisburg to London
United Airlines
  • United Airlines
  • 20/9
  • 2 total stops
  • 35h 06m total
  • Harrisburg to London
Highest demand for flights based on searches. 8% potential increase in price (£40 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£18 potential savings vs. average return price).
Average for round-trip flights in June 2025

Find flight deals from Harrisburg to London

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 13 June 2025.

Wed 8/1014:43MDT - LHR
1 stop11h 12mUnited Airlines
Fri 24/1012:15LHR - MDT
1 stop11h 44mUnited Airlines
Deal found 12/6£552
Wed 30/713:00MDT - LHR
1 stop16h 30mBritish Airways
Mon 4/821:35LHR - MDT
2 stops29h 28mBritish Airways
Deal found 10/6£587
Thu 9/1012:35MDT - LHR
1 stop15h 20mKLM
Fri 24/1015:15LHR - MDT
1 stop13h 23mKLM
Deal found 12/6£589
Wed 30/718:36MDT - LHR
1 stop10h 54mAmerican Airlines
Mon 4/810:05LHR - MDT
1 stop15h 15mAmerican Airlines
Deal found 12/6£626
Tue 22/710:35MDT - LCY
2 stops16h 35mLufthansa
Tue 29/708:45LCY - MDT
2 stops15h 04mLufthansa
Deal found 12/6£670
Tue 22/709:17MDT - LGW
1 stop19h 43mMultiple Airlines
Tue 29/714:00LGW - MDT
1 stop35h 28mMultiple Airlines
Deal found 12/6£690
Sun 13/712:33MDT - LHR
2 stops14h 27mDelta
Sun 3/812:25LHR - MDT
2 stops15h 34mDelta
Deal found 12/6£776
Sat 19/708:12MDT - LGW
2 stops18h 58mAmerican Airlines
Sat 26/710:40LGW - MDT
2 stops18h 18mAmerican Airlines
Deal found 11/6£1,114
Sat 19/716:36MDT - LHR
3 stops45h 14mMultiple Airlines
Sat 26/707:40LHR - MDT
3 stops39h 30mMultiple Airlines
Deal found 11/6£1,159
Tue 22/712:33MDT - LGW
2 stops16h 27mDelta
Tue 29/712:00LGW - MDT
2 stops15h 59mDelta
Deal found 12/6£1,386
Sun 15/613:10MDT - LCY
2 stops17h 20mBritish Airways
Mon 30/619:00LCY - MDT
2 stops32h 06mBritish Airways
Deal found 12/6£1,412
Thu 3/714:41MDT - LHR
2 stops13h 59mLufthansa
Thu 17/709:30LHR - MDT
2 stops14h 19mLufthansa
Deal found 13/6£2,545

Cheapflights Fare Finder

Customise your flight search to find flights from Harrisburg to London 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 13 June 2025.
Use the filters below to find and compare flights from Harrisburg to London that are best for you.

Fly from

Harrisburg

Fly to

London

Route

Depart

Return

Price

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 8/10

14:43-06:55

1 stop11h 12m

London Heathrow

Fri 24/10

12:15-18:59

1 stop11h 44m

£552

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 30/7

13:00-10:30

1 stop16h 30m

London Heathrow

Mon 4/8

21:35-22:03

2 stops29h 28m

£587

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 9/10

12:35-08:55

1 stop15h 20m

London Heathrow

Fri 24/10

15:15-23:38

1 stop13h 23m

£589

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 30/7

18:36-10:30

1 stop10h 54m

London Heathrow

Mon 4/8

10:05-20:20

1 stop15h 15m

£626

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Tue 22/7

10:35-08:10

2 stops16h 35m

London City

Tue 29/7

08:45-18:49

2 stops15h 04m

£670

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Tue 22/7

09:17-10:00

1 stop19h 43m

London Gatwick

Tue 29/7

14:00-20:28

1 stop35h 28m

£690

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 13/7

12:33-08:00

2 stops14h 27m

London Heathrow

Sun 3/8

12:25-22:59

2 stops15h 34m

£776

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Sat 19/7

08:12-08:10

2 stops18h 58m

London Gatwick

Sat 26/7

10:40-23:58

2 stops18h 18m

£1,114

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 19/7

16:36-18:50

3 stops45h 14m

London Heathrow

Sat 26/7

07:40-18:10

3 stops39h 30m

£1,159

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Tue 22/7

12:33-10:00

2 stops16h 27m

London Gatwick

Tue 29/7

12:00-22:59

2 stops15h 59m

£1,386

Flights are sorted by cheapest return flights first.

Deals found on 13/6

Showing 1-10 of 15 results
1
2

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.
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

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

Currently, January is the cheapest month in which you can book a flight from Harrisburg to London (average of £112). Flying from Harrisburg to London in August is currently the most expensive (average of £164). 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.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

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.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 13 June 2025.
Read through reviews of airlines operating flights from Harrisburg to London, such as Delta, KLM and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Harrisburg to London. 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?

    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.

  • What are the cheapest airlines flying from Harrisburg to London round-trip?

    Currently priced at £552, United Airlines will fly you from Harrisburg to London and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and KLM - these airlines can fly you to your destination from £587 and £589, respectively. You may be able to fly from Harrisburg to London for 9% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Harrisburg to London one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as £306. However, be on the lookout for offers from KLM and Lufthansa, as they are both options that can get you from Harrisburg to London for a low price.

  • What are the most popular routes from Harrisburg to London?

  • 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, January is the cheapest month in which you can book a flight from Harrisburg to London (average of £112). Flying from Harrisburg to London in August is currently the most expensive (average of £164). 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 Harrisburg?

Book flights to Harrisburg if you plan to visit one of these locations
Deal
Hounslow
Croydon
Milton Keynes
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Southend-on-Sea
Watford
Hayes
Ipswich
Winchester
Folkestone
Maidstone
Dartford
Guildford

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Alternative routes for Harrisburg to London

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

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

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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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