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Cheap flights from Harrisburg to London from £308

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
16 Jul — 23 Jul1
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 11 July 2025.

Round-trip from

£392

One-way from

£308

Popular in

December

Cheapest in

October

Average price

£797
KLM
  • KLM
  • 22/10-29/10
  • 2 total stops
  • 26h 37m 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 July 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 11 July 2025.

Wed 22/1017:58MDT - LHR
1 stop12h 12mKLM
Wed 29/1012:20LHR - MDT
1 stop14h 25mKLM
Deal found 10/7£392
Thu 7/817:00MDT - LHR
2 stops15h 30mDelta
Thu 14/806:30LHR - MDT
2 stops14h 43mDelta
Deal found 10/7£427
Wed 22/1006:15MDT - LHR
2 stops22h 20mUnited Airlines
Wed 29/1013:25LHR - MDT
2 stops33h 30mUnited Airlines
Deal found 10/7£500
Thu 7/821:19MDT - LGW
1 stop31h 41mMultiple Airlines
Thu 14/814:00LGW - MDT
1 stop23h 30mMultiple Airlines
Deal found 10/7£570
Wed 30/713:00MDT - LHR
1 stop16h 30mBritish Airways
Mon 4/818:15LHR - MDT
2 stops32h 48mBritish Airways
Deal found 9/7£572
Wed 30/713:00MDT - LHR
1 stop13h 55mAmerican Airlines
Mon 4/808:55LHR - MDT
1 stop16h 23mAmerican Airlines
Deal found 9/7£628
Sun 9/1114:04MDT - LCY
2 stops18h 46mBritish Airways
Mon 24/1108:35LCY - MDT
2 stops15h 58mBritish Airways
Deal found 9/7£645
Thu 7/819:59MDT - LCY
2 stops17h 36mMultiple Airlines
Thu 14/808:45LCY - MDT
2 stops15h 04mMultiple Airlines
Deal found 10/7£812
Mon 18/819:59MDT - LHR
1 stop9h 41mLufthansa
Tue 26/812:15LHR - MDT
1 stop11h 43mLufthansa
Deal found 9/7£1,245
Fri 3/1014:43MDT - LCY
2 stops45h 32mLufthansa
Tue 7/1019:10LCY - MDT
2 stops28h 49mLufthansa
Deal found 9/7£1,300
Thu 7/810:35MDT - LHR
2 stops18h 05mMultiple Airlines
Thu 14/814:10LHR - MDT
3 stops35h 22mMultiple Airlines
Deal found 10/7£1,340

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 11 July 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 22/10

17:58-11:10

1 stop12h 12m

London Heathrow

Wed 29/10

12:20-22:45

1 stop14h 25m

£392

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 7/8

17:00-13:30

2 stops15h 30m

London Heathrow

Thu 14/8

06:30-16:13

2 stops14h 43m

£427

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 22/10

06:15-09:35

2 stops22h 20m

London Heathrow

Wed 29/10

13:25-18:55

2 stops33h 30m

£500

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Thu 7/8

21:19-10:00

1 stop31h 41m

London Gatwick

Thu 14/8

14:00-08:30

1 stop23h 30m

£570

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 30/7

13:00-10:30

1 stop16h 30m

London Heathrow

Mon 4/8

18:15-22:03

2 stops32h 48m

£572

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 30/7

13:00-07:55

1 stop13h 55m

London Heathrow

Mon 4/8

08:55-20:18

1 stop16h 23m

£628

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Sun 9/11

14:04-13:50

2 stops18h 46m

London City

Mon 24/11

08:35-19:33

2 stops15h 58m

£645

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Thu 7/8

19:59-18:35

2 stops17h 36m

London City

Thu 14/8

08:45-18:49

2 stops15h 04m

£812

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 18/8

19:59-10:40

1 stop9h 41m

London Heathrow

Tue 26/8

12:15-18:58

1 stop11h 43m

£1,245

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Fri 3/10

14:43-17:15

2 stops45h 32m

London City

Tue 7/10

19:10-18:59

2 stops28h 49m

£1,300

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 17 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.

How much does it cost for a return flight from Harrisburg to London?

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 11 July 2025.
Get a feel of what it's like to fly with Delta, KLM, andUnited Airlines from Harrisburg to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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!

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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!

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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!

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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!

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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 £392, KLM will fly you from Harrisburg to London and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from £427 and £500, respectively. You may be able to fly from Harrisburg to London for 35% 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 £308. 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
Hounslow
Croydon
Milton Keynes
Deal
Gatwick
Slough
Luton
Wembley
Crawley
Eastbourne
Ilford
Hayes
Ipswich
Folkestone
Southend-on-Sea
Watford
Winchester
Maidstone
Guildford
Chichester

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Why should you use Cheapflights to find cheap flight tickets from Harrisburg to London?

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