How long is the flight from Harrisburg to London?

United Airlines, Delta, and Lufthansa can get you from Harrisburg to London in just under 15h 49m. Your travel time can differ by up to 5h 51m. Airlines will cover a distance of 3601 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 33% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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.

What are the most popular airlines that fly from Harrisburg to London?

The most popular airlines flying from Harrisburg to London are United Airlines, American Airlines and British Airways. Something to consider prior to booking your flight.

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.

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.

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.

$697+ Flights from Harrisburg to London

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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 November 18, 2025.

Thu 12/1110:40 amMDT - LHR

1 stop15h 00mUnited Airlines

Fri 12/194:20 pmLHR - MDT

1 stop26h 34mUnited Airlines

Deal found 11/17

$697

Wed 12/3110:49 amMDT - LHR

1 stop16h 06mUnited Airlines

Wed 1/73:30 pmLHR - MDT

2 stops32h 29mUnited Airlines

Deal found 11/16

$749

Fri 12/56:00 amMDT - LCY

2 stops21h 10mDelta

Tue 12/910:00 amLCY - MDT

2 stops18h 07mDelta

Deal found 11/17

$753

Thu 12/47:27 pmMDT - LHR

1 stop11h 13mMultiple Airlines

Fri 12/1210:45 amLHR - MDT

1 stop12h 47mMultiple Airlines

Deal found 11/18

$847

Thu 12/412:41 pmMDT - LHR

2 stops17h 59mDelta

Fri 12/128:00 pmLHR - MDT

2 stops20h 56mDelta

Deal found 11/18

$852

Thu 12/1111:33 amMDT - LHR

2 stops16h 12mDelta

Fri 12/198:55 amLHR - MDT

2 stops19h 12mDelta

Deal found 11/17

$1,021

Thu 12/112:54 pmMDT - LCY

2 stops17h 56mBritish Airways

Fri 12/198:50 amLCY - MDT

2 stops15h 17mBritish Airways

Deal found 11/17

$2,035

Best flights from Harrisburg to London
Discover carefully curated flight deals from Harrisburg to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 18, 2025.

Thu 12/118:20 amMDT - LHR

2 stops17h 50mUnited Airlines

Fri 12/194:20 pmLHR - MDT

1 stop26h 34mUnited Airlines

Deal found 11/17

$697

Fri 12/512:41 pmMDT - LCY

2 stops15h 49mDelta

Tue 12/97:45 amLCY - MDT

2 stops33h 11mDelta

Deal found 11/15

$753

Thu 12/47:27 pmMDT - LHR

1 stop11h 13mMultiple Airlines

Fri 12/1210:45 amLHR - MDT

1 stop12h 47mMultiple Airlines

Deal found 11/18

$847

Sun 1/47:26 pmMDT - LHR

2 stops14h 04mBritish Airways

Tue 1/131:10 pmLHR - MDT

1 stop12h 04mBritish Airways

Deal found 11/17

$903

Sun 1/43:00 pmMDT - LCY

2 stops21h 40mLufthansa

Tue 1/136:15 pmLCY - MDT

2 stops29h 44mLufthansa

Deal found 11/17

$1,154

Wed 12/3110:49 amMDT - LHR

1 stop16h 06mUnited Airlines

Wed 1/73:30 pmLHR - MDT

2 stops32h 29mUnited Airlines

Deal found 11/16

$749

Thu 12/412:41 pmMDT - LHR

2 stops17h 59mDelta

Fri 12/128:00 pmLHR - MDT

2 stops20h 56mDelta

Deal found 11/18

$852

Thu 1/16:30 amMDT - LHR

1 stop18h 25mUnited Airlines

Thu 1/812:05 pmLHR - MDT

1 stop11h 54mUnited Airlines

Deal found 11/17

$804

Sun 1/410:30 amMDT - LHR

2 stops25h 35mUnited Airlines

Tue 1/131:25 pmLHR - MDT

2 stops29h 26mUnited Airlines

Deal found 11/17

$947

Sun 1/41:52 pmMDT - LCY

2 stops21h 33mBritish Airways

Tue 1/138:40 amLCY - MDT

2 stops16h 34mBritish Airways

Deal found 11/16

$1,355

Thu 12/112:54 pmMDT - LCY

2 stops17h 56mBritish Airways

Fri 12/198:50 amLCY - MDT

2 stops15h 17mBritish Airways

Deal found 11/17

$2,035

Sun 1/43:00 pmMDT - LCY

2 stops13h 15mMultiple Airlines

Tue 1/137:15 amLCY - MDT

2 stops16h 44mMultiple Airlines

Deal found 11/18

$3,969

Last-minute flights from Harrisburg to London
Discover last-minute flight deals from Harrisburg to London. Data last updated November 18, 2025 and is based on user searches.

Thu 12/47:27 pmMDT - LHR

1 stop11h 13mMultiple Airlines

Fri 12/1210:45 amLHR - MDT

1 stop12h 47mMultiple Airlines

Deal found 11/18

$847

Thu 12/412:41 pmMDT - LHR

2 stops17h 59mDelta

Fri 12/128:00 pmLHR - MDT

2 stops20h 56mDelta

Deal found 11/18

$852

Fri 12/56:00 amMDT - LCY

2 stops21h 10mDelta

Tue 12/910:00 amLCY - MDT

2 stops18h 07mDelta

Deal found 11/17

$753

Thu 12/1110:40 amMDT - LHR

1 stop15h 00mUnited Airlines

Fri 12/194:20 pmLHR - MDT

1 stop26h 34mUnited Airlines

Deal found 11/17

$697

Thu 12/1111:33 amMDT - LHR

2 stops16h 12mDelta

Fri 12/198:55 amLHR - MDT

2 stops19h 12mDelta

Deal found 11/17

$1,021

Thu 12/112:54 pmMDT - LCY

2 stops17h 56mBritish Airways

Fri 12/198:50 amLCY - MDT

2 stops15h 17mBritish Airways

Deal found 11/17

$2,035

Wed 12/3110:49 amMDT - LHR

1 stop16h 06mUnited Airlines

Wed 1/73:30 pmLHR - MDT

2 stops32h 29mUnited Airlines

Deal found 11/16

$749

Cheap flight deals from Harrisburg to London

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$697 (United Airlines)
Popular in	December
Cheapest in	January
Average price	$650

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

High demand for flights, 2% potential price rise

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 12/11

8:20 am-7:10 am

2 stops17h 50m

London Heathrow

Fri 12/19

4:20 pm-1:54 pm

1 stop26h 34m

$697

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 12/31

10:49 am-7:55 am

1 stop16h 06m

London Heathrow

Wed 1/7

3:30 pm-6:59 pm

2 stops32h 29m

$749

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Fri 12/5

12:41 pm-9:30 am

2 stops15h 49m

London City

Tue 12/9

7:45 am-11:56 am

2 stops33h 11m

$753

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 1/1

6:30 am-5:55 am

1 stop18h 25m

London Heathrow

Thu 1/8

12:05 pm-6:59 pm

1 stop11h 54m

$804

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 12/4

7:27 pm-11:40 am

1 stop11h 13m

London Heathrow

Fri 12/12

10:45 am-6:32 pm

1 stop12h 47m

$847

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 12/4

12:41 pm-11:40 am

2 stops17h 59m

London Heathrow

Fri 12/12

8:00 pm-11:56 am

2 stops20h 56m

$852

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 1/4

7:26 pm-2:30 pm

2 stops14h 04m

London Heathrow

Tue 1/13

1:10 pm-8:14 pm

1 stop12h 04m

$903

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 1/4

10:30 am-5:05 pm

2 stops25h 35m

London Heathrow

Tue 1/13

1:25 pm-1:51 pm

2 stops29h 26m

$947

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Sun 1/4

3:00 pm-5:40 pm

2 stops21h 40m

London City

Tue 1/13

6:15 pm-6:59 pm

2 stops29h 44m

$1,154

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Sun 1/4

1:52 pm-4:25 pm

2 stops21h 33m

London City

Tue 1/13

8:40 am-8:14 pm

2 stops16h 34m

$1,355

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 12 results

Compare providers for flights from Harrisburg to London

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.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
oojo	Price Accuracy3 stars	Trust 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 $744). 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?

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.

Reviews of airlines servicing London

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

9,015 reviews

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

9,015 reviews

United Airlines

7.4

Good

9,015 reviews

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

11,047 reviews

United Airlines

7.4

Good

9,015 reviews

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

7,528 reviews

United Airlines

7.4

Good

9,015 reviews

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

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, Delta, and Lufthansa can get you from Harrisburg to London in just under 15h 49m. Your travel time can differ by up to 5h 51m. Airlines will cover a distance of 3601 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 33% 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 $744). 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

Hounslow

Ilford

Hayes

Southend-on-Sea

Harrow

Croydon

Eastleigh

Dartford

Dover

Winchester

Orpington

Gatwick

Borehamwood

Aylesbury

Bedford

Chipping Norton

Wembley

Folkestone

Eastbourne

Sutton

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Harrisburg to London

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$531	Average$754	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$634	Average$979	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$693	Average$864	FlexibilityNo cancel fee	On-time71%
British Airways	Cheapest$694	Average$758	FlexibilityNo cancel fee	On-time70%

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$697+ Cheap flights from Harrisburg (MDT) to London (LON)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Harrisburg to London with Cheapflights

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Find flight deals from Harrisburg to London

Cheapest flights from Harrisburg to LondonExplore 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 November 18, 2025.

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 November 18, 2025.

Cheap flight deals from Harrisburg to London

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Harrisburg to London that are best for you.

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.

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.

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?

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 November 18, 2025.

Reviews of airlines servicing London

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.

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?

How long is the flight from Harrisburg to London?

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

What are the most popular routes from Harrisburg to London?

Can I find deals for flights from Harrisburg to London that include hotel bookings?

How can I find direct flights from Harrisburg to London?

Can I find deals for business class flights from Harrisburg to London?

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

Traveling to a place near London?

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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.

Top 4 airlines flying from Harrisburg to London

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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 November 18, 2025.