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$296+ Cheap flights from Harrisburg (MDT) to London (LON)

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LON
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/293:15 pmMDT - LHR
1 stop33h 40mUnited Airlines
Mon 1/2612:05 pmLHR - MDT
2 stops38h 00mUnited Airlines
Deal found 12/17$792
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:15 amMDT - LHR
2 stops22h 05mUnited Airlines
Wed 1/146:50 amLHR - MDT
2 stops14h 44mUnited Airlines
Deal found 12/17$803
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:49 amMDT - LHR
1 stop14h 06mUnited Airlines
Sun 1/256:50 amLHR - MDT
2 stops19h 15mUnited Airlines
Deal found 12/17$853
This oojo deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/291:52 pmMDT - LHR
2 stops19h 28mBritish Airways
Mon 1/262:55 pmLHR - MDT
2 stops34h 19mBritish Airways
Deal found 12/17$865
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:00 pmMDT - LHR
2 stops14h 25mUnited Airlines
Mon 1/194:40 pmLHR - MDT
2 stops33h 25mUnited Airlines
Deal found 12/16$882
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:30 amMDT - LHR
1 stop20h 25mUnited Airlines
Sun 1/186:00 pmLHR - MDT
2 stops32h 05mUnited Airlines
Deal found 12/16$925
This oojo deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/281:52 pmMDT - LCY
2 stops23h 28mBritish Airways
Thu 1/13:30 pmLCY - MDT
2 stops32h 37mBritish Airways
Deal found 12/17$1,787
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2111:11 amMDT - LGW
1 stop17h 49mMultiple Airlines
Tue 12/238:00 amLGW - MDT
2 stops36h 38mMultiple Airlines
Deal found 12/17$1,828
This oojo deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/201:52 pmMDT - LCY
2 stops20h 38mBritish Airways
Mon 12/225:05 pmLCY - MDT
2 stops31h 02mBritish Airways
Deal found 12/17$2,203
This Expedia deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/213:00 pmMDT - LCY
2 stops21h 40mLufthansa
Tue 12/236:15 pmLCY - MDT
2 stops29h 43mLufthansa
Deal found 12/17$3,882

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$623
(Cheapflightsfares)

One-way from

$296
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$864
Provider with most accurate pricing for Harrisburg-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Harrisburg-London (LON) flights.
Search Deals
From Harrisburg to London (LON)
Search Deals
One-way flight from Harrisburg to London (LON)
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated December 18, 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

Fri 1/23

2:28 pm-6:40 am

1 stop11h 12m

London Heathrow

Mon 1/26

6:50 am-9:05 pm

2 stops19h 15m

$628

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 1/23

5:30 pm-11:15 am

1 stop12h 45m

London Heathrow

Tue 1/27

6:50 am-9:05 pm

2 stops19h 15m

$628

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 1/31

3:10 pm-7:55 am

1 stop11h 45m

London Heathrow

Sat 2/7

12:05 pm-4:34 pm

2 stops57h 29m

$629

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 1/31

6:10 am-6:20 am

2 stops19h 10m

London Heathrow

Sat 2/7

8:40 am-11:00 pm

2 stops19h 20m

$634

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Thu 1/8

2:28 pm-5:40 pm

2 stops22h 12m

London City

Wed 1/21

9:50 am-6:59 pm

2 stops38h 09m

$898

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Mon 1/5

3:00 pm-5:40 pm

2 stops21h 40m

London City

Fri 1/23

9:55 am-6:59 pm

2 stops38h 04m

$960

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Fri 5/8

5:02 pm-8:00 pm

2 stops21h 58m

London Gatwick

Mon 5/11

8:40 pm-10:00 pm

2 stops30h 20m

$977

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Fri 1/23

11:27 am-10:00 am

1 stop17h 33m

London Gatwick

Mon 1/26

11:40 am-10:56 pm

2 stops16h 16m

$1,006

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Sat 1/31

10:42 am-1:50 pm

2 stops22h 08m

London City

Sat 2/7

8:40 am-8:14 pm

2 stops16h 34m

$1,084

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Fri 6/5

10:13 am-10:00 am

1 stop18h 47m

London Gatwick

Sun 6/14

2:00 pm-9:23 am

1 stop24h 23m

$1,153

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 38 results
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Compare providers for flights from Harrisburg to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Harrisburg to London in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Harrisburg-London flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Harrisburg-London flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Harrisburg-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Harrisburg-London flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Harrisburg-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 $290). Flying from Harrisburg to London in June is currently the most expensive (average of $725). 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.

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

Find hourly flight availability from Harrisburg to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

One of the essential ways to save on airfare from Harrisburg to London is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 22% on airfare.

How much does it cost to fly round-trip 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 December 18, 2025.
Peruse reviews from past customers who have flown with United Airlines, American Airlines, and British Airways from Harrisburg to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
American Airlines
7.2
Good
11,054 reviews
United Airlines
7.4
Good
9,095 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
British Airways
6.7
Okay
7,586 reviews
United Airlines
7.4
Good
9,095 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

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?

    Located just 8.5 mi from the city center, Harrisburg is the airport most travelers will use when flying to London from Harrisburg. Booking flights from Harrisburg (MDT) to London should be relatively easy as there are 0 daily outbound flights to London from 4 different airlines.

  • How long is the flight from Harrisburg to London?

    United Airlines, Lufthansa, and British Airways can get you from Harrisburg to London in just under 11h 12m. Your travel time can differ by up to 11h. Airlines will cover a distance of 3581 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Delta ($531), United Airlines ($634), and American Airlines ($693) offers the cheapest pricing from Harrisburg to London. These flights start at 30% lower than the current average price 3 months from now.

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

    Most travelers choose Harrisburg - London Heathrow, Harrisburg - London City or Harrisburg - London Gatwick when deciding on the best route 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 vacation 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 $290). Flying from Harrisburg to London in June is currently the most expensive (average of $725). 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Wembley
Folkestone
Eastbourne

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Top 4 airlines flying from Harrisburg to London

Discover the top 4 airlines that operate flights from Harrisburg to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$531Average$754FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$634Average$979FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$693Average$868FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$694Average$758FlexibilityNo cancel feeOn-time70%

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