Find flights
When to book
FAQs

Cheap flights from Harrisburg to London from £197

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 23/7. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LON
6 Mar — 13 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Harrisburg to London

Enter your travel dates to find the best prices.

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 4 February 2026.

Wed 4/306:15
MDT
-
LHR
2 stops22h 05m
United Airlines
Wed 11/306:50
LHR
-
MDT
2 stops20h 23m
United Airlines
Deal found 2/2£464
Thu 19/314:33
MDT
-
LHR
2 stops21h 47m
United Airlines
Thu 26/309:00
LHR
-
MDT
2 stops18h 13m
United Airlines
Deal found 2/2£471
Wed 29/414:49
MDT
-
LHR
1 stop11h 06m
United Airlines
Tue 5/506:50
LHR
-
MDT
2 stops15h 03m
United Airlines
Deal found 3/2£474
Wed 12/806:00
MDT
-
LHR
1 stop19h 55m
United Airlines
Wed 26/808:40
LHR
-
MDT
2 stops17h 40m
United Airlines
Deal found 2/2£479
Wed 4/314:59
MDT
-
LHR
1 stop11h 51m
British Airways
Wed 11/310:35
LHR
-
MDT
1 stop12h 35m
British Airways
Deal found 2/2£483
Wed 26/806:30
MDT
-
LHR
2 stops19h 00m
United Airlines
Tue 8/907:30
LHR
-
MDT
2 stops30h 54m
United Airlines
Deal found 3/2£487
Mon 16/210:46
MDT
-
LGW
1 stop18h 14m
Multiple Airlines
Thu 19/214:00
LGW
-
MDT
1 stop24h 51m
Multiple Airlines
Deal found 2/2£489
Wed 29/414:50
MDT
-
LHR
1 stop11h 00m
British Airways
Tue 5/509:15
LHR
-
MDT
1 stop14h 36m
British Airways
Deal found 3/2£494
Wed 29/414:49
MDT
-
LCY
2 stops22h 06m
Lufthansa
Tue 5/509:15
LCY
-
MDT
2 stops19h 13m
Lufthansa
Deal found 4/2£592
Wed 4/314:59
MDT
-
LCY
2 stops18h 06m
British Airways
Wed 11/307:50
LCY
-
MDT
2 stops18h 24m
British Airways
Deal found 2/2£617
Mon 16/210:46
MDT
-
LGW
1 stop18h 14m
Multiple Airlines
Fri 27/214:00
LGW
-
MDT
1 stop33h 26m
Multiple Airlines
Deal found 4/2£617
Tue 17/211:27
MDT
-
LGW
2 stops37h 33m
Multiple Airlines
Fri 27/214:00
LGW
-
MDT
1 stop33h 26m
Multiple Airlines
Deal found 4/2£634

Find 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 4 February 2026.

Round-trip from

£464

One-way from

£197

Popular in

July

Cheapest in

January
United Airlines
  • United Airlines
  • 4/3-11/3
  • 3 total stops
  • 32h 31m total
  • Harrisburg to London
Search Deals
British Airways
  • British Airways
  • 23/7
  • 1 total stop
  • 18h 44m total
  • Harrisburg to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£63 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£18 potential savings vs. average return price).
Search Deals

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 4 February 2026.
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

Thu 19/3

06:15-10:50

1 stop24h 35m

London Heathrow

Thu 26/3

09:00-23:13

2 stops18h 13m

£464

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 4/3

10:39-05:55

1 stop14h 16m

London Heathrow

Wed 11/3

06:50-21:05

2 stops18h 15m

£464

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 29/4

14:49-06:55

1 stop11h 06m

London Heathrow

Tue 5/5

06:50-16:53

2 stops15h 03m

£474

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 4/3

14:59-07:50

1 stop11h 51m

London Heathrow

Wed 11/3

10:35-19:10

1 stop12h 35m

£483

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Mon 16/2

10:46-10:00

1 stop18h 14m

London Gatwick

Thu 19/2

14:00-09:51

1 stop24h 51m

£489

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 15/3

06:15-06:40

1 stop20h 25m

London Heathrow

Fri 3/4

14:05-18:55

2 stops33h 50m

£505

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 20/3

10:40-10:50

1 stop20h 10m

London Heathrow

Fri 27/3

16:20-09:32

1 stop21h 12m

£507

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 10/4

08:29-06:45

1 stop17h 16m

London Heathrow

Thu 16/4

06:50-00:22

2 stops22h 32m

£511

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 30/4

17:49-11:45

1 stop12h 56m

London Heathrow

Tue 5/5

06:50-16:53

2 stops15h 03m

£512

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Wed 29/4

14:49-17:55

2 stops22h 06m

London City

Tue 5/5

09:15-23:28

2 stops19h 13m

£592

Flights are sorted by cheapest return flights first.

Deals found on 2/2

Showing 1-10 of 38 results
1
2
3
4

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, July is the cheapest month in which you can book a flight from Harrisburg to London (average of £212). Flying from Harrisburg to London in June is currently the most expensive (average of £526). 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

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.

  • How long is the flight from Harrisburg to London?

    For as low as £617, United Airlines can have you in London from Harrisburg in 18h 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 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, July is the cheapest month in which you can book a flight from Harrisburg to London (average of £212). Flying from Harrisburg to London in June is currently the most expensive (average of £526). 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 London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Croydon
Luton
Wembley
Gatwick
Slough
Ilford
Hounslow
Brentford
Hayes
Colchester
Watford
Guildford
Bedford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Romford
Ipswich

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Harrisburg to London

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
Dulles Intl to Heathrow flights
LaGuardia to Heathrow flights
Newark to Gatwick flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Stansted flights
LaGuardia to Gatwick flights
Newark to Stansted flights
Newark to Luton flights
Newark to London City flights
Dulles Intl to Gatwick flights
Reagan-National to Heathrow flights
Dulles Intl to London City flights
Philadelphia to Heathrow flights
Newark to Edinburgh flights
John F Kennedy Intl to Edinburgh flights
Reagan-National to Gatwick flights
Dulles Intl to Luton flights
Dulles Intl to Edinburgh flights
John F Kennedy Intl to Manchester flights
Pittsburgh to Heathrow flights
Philadelphia to Gatwick flights
Philadelphia to Edinburgh flights
LaGuardia to Edinburgh flights
LaGuardia to Stansted flights
Newark to Manchester flights
Reagan-National to Edinburgh flights
Philadelphia to Stansted flights
LaGuardia to Manchester flights
Philadelphia to Luton flights
Reagan-National to Luton flights
Pittsburgh to Gatwick flights
Pittsburgh to London City flights
Dulles Intl to Manchester flights
Reagan-National to Manchester flights
Reagan-National to Stansted flights
Pittsburgh to Edinburgh flights
John F Kennedy Intl to Birmingham flights
John F Kennedy Intl to Leeds flights
John F Kennedy Intl to Southend flights
Newark to Birmingham flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.