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$399+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LON
gru 7 — gru 141
ndz. 12/7
ndz. 12/14
1 adult, Economy
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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 Listopad 7, 2025.

This Delta deal was found by Cheapflights users on 11/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 12/27:27 pmMDT - LHR
1 stop11h 13mDelta
wt. 12/911:30 amLHR - MDT
2 stops16h 37mDelta
Deal found 11/5$589
This KLM deal was found by Cheapflights users on 11/5. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 12/27:27 pmMDT - LHR
1 stop11h 13mMultiple Airlines
wt. 12/910:45 amLHR - MDT
1 stop12h 47mMultiple Airlines
Deal found 11/5$596
This United Airlines deal was found by Cheapflights users on 11/5. 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.
śr. 11/52:35 pmMDT - LHR
1 stop11h 05mUnited Airlines
śr. 11/126:50 amLHR - MDT
2 stops17h 05mUnited Airlines
Deal found 11/5$617
This Delta deal was found by Cheapflights users on 11/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 11/56:25 pmMDT - LCY
2 stops17h 10mDelta
śr. 11/129:20 amLCY - MDT
2 stops18h 51mDelta
Deal found 11/5$646
This American Airlines deal was found by Cheapflights users on 11/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 11/54:25 pmMDT - LHR
1 stop14h 35mAmerican Airlines
śr. 11/122:10 pmLHR - MDT
1 stop12h 48mAmerican Airlines
Deal found 11/5$646
This oojo deal was found by Cheapflights users on 11/5. 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.
wt. 12/22:55 pmMDT - LCY
2 stops18h 10mBritish Airways
wt. 12/98:40 amLCY - MDT
2 stops15h 29mBritish Airways
Deal found 11/5$984
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
czw. 12/188:53 pmMDT - LGW
1 stop32h 07mMultiple Airlines
ndz. 12/282:10 pmLGW - MDT
1 stop28h 57mMultiple Airlines
Deal found 11/5$1,223
This United Airlines deal was found by Cheapflights users on 11/6. 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.
ndz. 12/213:15 pmMDT - LHR
1 stop33h 40mUnited Airlines
ndz. 12/287:40 amLHR - MDT
1 stop21h 27mUnited Airlines
Deal found 11/6$1,260
This United Airlines deal was found by Cheapflights users on 11/5. 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.
czw. 12/1810:30 amMDT - LHR
2 stops14h 25mUnited Airlines
ndz. 12/2811:10 amLHR - MDT
2 stops17h 57mUnited Airlines
Deal found 11/5$1,346
This American Airlines deal was found by Cheapflights users on 11/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
czw. 12/1811:21 amMDT - LHR
1 stop14h 59mAmerican Airlines
ndz. 12/281:30 pmLHR - MDT
1 stop14h 29mAmerican Airlines
Deal found 11/5$1,395
This United Airlines deal was found by Cheapflights users on 11/5. 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.
sob. 12/206:15 amMDT - LHR
1 stop19h 25mUnited Airlines
sob. 12/277:40 amLHR - MDT
1 stop21h 27mUnited Airlines
Deal found 11/5$1,796
This United Airlines deal was found by Cheapflights users on 11/5. 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.
czw. 12/1810:30 amMDT - LCY
2 stops17h 50mMultiple Airlines
ndz. 12/285:40 pmLCY - MDT
3 stops35h 27mMultiple Airlines
Deal found 11/5$2,019

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 Listopad 7, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$589
(Delta)

One-way from

$399
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$653
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. 2% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 Listopad 7, 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

wt. 12/2

7:27 pm-11:40 am

1 stop11h 13m

London Heathrow

wt. 12/9

11:30 am-11:07 pm

2 stops16h 37m

$589

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

wt. 12/2

7:27 pm-11:40 am

1 stop11h 13m

London Heathrow

wt. 12/9

10:45 am-6:32 pm

1 stop12h 47m

$596

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

pt. 3/27

6:00 am-7:50 am

1 stop21h 50m

London Heathrow

wt. 3/31

9:00 am-11:40 pm

2 stops19h 40m

$782

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

pt. 4/24

6:00 am-6:55 am

1 stop19h 55m

London Heathrow

pon. 4/27

5:50 pm-6:28 pm

2 stops29h 38m

$804

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

pt. 4/24

6:25 pm-1:30 pm

1 stop14h 05m

London Heathrow

pon. 4/27

3:15 pm-11:41 pm

1 stop13h 26m

$869

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

ndz. 1/4

1:34 pm-6:55 am

2 stops12h 21m

London Heathrow

wt. 1/13

8:55 am-5:04 pm

1 stop13h 09m

$898

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

ndz. 1/4

1:52 pm-7:50 am

1 stop12h 58m

London Heathrow

wt. 1/13

1:10 pm-8:14 pm

1 stop12h 04m

$952

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

wt. 12/2

2:55 pm-2:05 pm

2 stops18h 10m

London City

wt. 12/9

8:40 am-7:09 pm

2 stops15h 29m

$984

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

pt. 3/27

12:25 pm-9:30 am

2 stops17h 05m

London City

wt. 3/31

10:00 am-10:47 pm

2 stops41h 47m

$1,180

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

czw. 12/18

8:53 pm-10:00 am

1 stop32h 07m

London Gatwick

ndz. 12/28

2:10 pm-2:07 pm

1 stop28h 57m

$1,223

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 15 results
1
2

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 November.
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 $349). Flying from Harrisburg to London in June is currently the most expensive (average of $754). 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 Listopad 7, 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 Listopad 7, 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
9,007 reviews

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,007 reviews
United Airlines
7.4
Good
9,007 reviews

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,040 reviews
United Airlines
7.4
Good
9,007 reviews

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
7,500 reviews
United Airlines
7.4
Good
9,007 reviews

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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?

    Delta and British Airways can get you from Harrisburg to London in just under 11h 13m. Your travel time can differ by up to 6h 57m. 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 34% 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 $349). Flying from Harrisburg to London in June is currently the most expensive (average of $754). 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
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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 Listopad 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$531Average$754FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$634Average$979FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$693Average$864FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$694Average$758FlexibilityNo cancel feeOn-time70%

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