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

According to our current data, KLM ($659), Delta ($663), and United Airlines ($676) offers the cheapest pricing from Harrisburg to London. These flights start at 25% lower than the current average price 3 months from now.

What is the cheapest day to fly from Harrisburg to London?

Travelers seeking maximum savings on their Harrisburg to London flight should consider departing on Monday at noon when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 American Airlines, British Airways and Delta. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Harrisburg to London?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 44% when planning your travel around this day of the week.

What is the cheapest month to fly from Harrisburg to London?

Our data shows that October tends to be the cheapest month to fly to London from Harrisburg. Users have commonly found prices around $881 for the month, but tickets can be as low as $603. Due to multiple factors, prepare for potentially higher prices in June.

Most accurate provider : When it comes to deals on Harrisburg-London flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Harrisburg-London flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

$659+ Flights from Harrisburg to London

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Cheap flight deals from Harrisburg to London

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$659 (KLM)
Popular in	June
Cheapest in	October
Average price	$969

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

Highest demand for flights based on searches. 19% potential increase in price ($219 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

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 May 1, 2025.

Wed 8/135:58 pmMDT - LHR

1 stop14h 32mKLM

Mon 9/299:20 amLHR - MDT

1 stop19h 18mKLM

Deal found 4/29

$659

Wed 8/1312:25 pmMDT - LHR

1 stop13h 50mDelta

Mon 9/299:20 amLHR - MDT

2 stops18h 25mDelta

Deal found 4/29

$663

Thu 8/212:40 pmMDT - LHR

1 stop11h 15mUnited Airlines

Tue 9/22:05 pmLHR - MDT

2 stops31h 47mUnited Airlines

Deal found 4/30

$676

Wed 8/134:40 pmMDT - LCY

2 stops20h 45mBritish Airways

Mon 9/297:00 pmLCY - MDT

2 stops26h 23mBritish Airways

Deal found 4/29

$718

Mon 5/264:01 pmMDT - LHR

2 stops17h 14mBritish Airways

Fri 6/137:55 amLHR - MDT

2 stops17h 45mBritish Airways

Deal found 5/1

$750

Mon 5/261:25 pmMDT - LHR

1 stop13h 15mAmerican Airlines

Fri 6/133:30 pmLHR - MDT

1 stop13h 28mAmerican Airlines

Deal found 4/30

$769

Wed 5/710:52 amMDT - LHR

1 stop19h 53mMultiple Airlines

Mon 5/126:30 pmLHR - MDT

2 stops30h 27mMultiple Airlines

Deal found 4/30

$905

Thu 7/312:33 pmMDT - LCY

2 stops13h 42mDelta

Thu 7/177:45 amLCY - MDT

2 stops21h 07mDelta

Deal found 4/30

$983

Thu 7/37:59 pmMDT - LCY

2 stops15h 26mLufthansa

Thu 7/178:45 amLCY - MDT

2 stops15h 04mLufthansa

Deal found 4/30

$3,639

Thu 5/12:30 pmMDT - LHR

2 stops14h 25mLufthansa

Wed 5/712:15 pmLHR - MDT

1 stop12h 42mLufthansa

Deal found 4/30

$7,858

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 May 1, 2025.

Wed 8/135:58 pmMDT - LHR

1 stop14h 32mKLM

Mon 9/299:20 amLHR - MDT

1 stop19h 18mKLM

Deal found 4/29

$659

Wed 8/1312:35 pmMDT - LHR

2 stops17h 35mDelta

Sun 9/289:20 amLHR - MDT

2 stops18h 25mDelta

Deal found 4/29

$663

Thu 8/212:40 pmMDT - LHR

1 stop11h 15mUnited Airlines

Tue 9/22:05 pmLHR - MDT

2 stops31h 47mUnited Airlines

Deal found 4/30

$676

Wed 8/134:40 pmMDT - LCY

2 stops20h 45mBritish Airways

Mon 9/297:00 pmLCY - MDT

2 stops26h 23mBritish Airways

Deal found 4/29

$718

Mon 5/261:25 pmMDT - LHR

1 stop13h 15mAmerican Airlines

Fri 6/133:30 pmLHR - MDT

1 stop13h 28mAmerican Airlines

Deal found 4/30

$769

Mon 5/264:01 pmMDT - LHR

2 stops17h 14mBritish Airways

Fri 6/137:55 amLHR - MDT

2 stops17h 45mBritish Airways

Deal found 5/1

$750

Thu 7/312:33 pmMDT - LCY

2 stops13h 42mDelta

Thu 7/177:45 amLCY - MDT

2 stops21h 07mDelta

Deal found 4/30

$983

Thu 7/37:59 pmMDT - LCY

2 stops15h 26mLufthansa

Thu 7/178:45 amLCY - MDT

2 stops15h 04mLufthansa

Deal found 4/30

$3,639

Last-minute flights from Harrisburg to London
Discover last-minute flight deals from Harrisburg to London. Data last updated May 1, 2025 and is based on user searches.

Wed 4/307:25 pmMDT - LCY

2 stops40h 00mBritish Airways

Tue 5/205:05 pmLCY - MDT

2 stops31h 28mBritish Airways

Deal found 4/30

$1,017

Thu 5/12:30 pmMDT - LHR

2 stops14h 25mLufthansa

Wed 5/712:15 pmLHR - MDT

1 stop12h 42mLufthansa

Deal found 4/30

$7,858

Wed 5/710:52 amMDT - LHR

1 stop16h 28mUnited Airlines

Mon 5/122:25 pmLHR - MDT

2 stops34h 32mUnited Airlines

Deal found 4/30

$900

Wed 5/76:15 amMDT - LHR

2 stops19h 15mMultiple Airlines

Mon 5/126:30 pmLHR - MDT

2 stops30h 27mMultiple Airlines

Deal found 4/30

$905

Wed 5/711:46 amMDT - LHR

1 stop13h 59mKLM

Mon 5/129:20 amLHR - MDT

1 stop19h 25mKLM

Deal found 4/30

$908

Mon 5/264:01 pmMDT - LHR

2 stops17h 14mBritish Airways

Fri 6/137:55 amLHR - MDT

2 stops17h 45mBritish Airways

Deal found 5/1

$750

Mon 5/266:30 amMDT - LHR

1 stop18h 50mUnited Airlines

Fri 6/132:05 pmLHR - MDT

2 stops33h 44mUnited Airlines

Deal found 5/1

$752

Mon 5/266:24 amMDT - LHR

2 stops19h 01mDelta

Fri 6/139:00 amLHR - MDT

2 stops19h 00mDelta

Deal found 4/30

$765

Mon 5/261:25 pmMDT - LHR

1 stop13h 15mAmerican Airlines

Fri 6/133:30 pmLHR - MDT

1 stop13h 28mAmerican Airlines

Deal found 4/30

$769

One-way flights from Harrisburg to London
Search for one-way flight options from Harrisburg to London. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Tue 8/126:33 pmMDT - LHR

1 stop10h 47mBritish Airways

Deal found 4/30

$734

Mon 10/272:55 pmMDT - LHR

1 stop11h 45mLufthansa

Deal found 5/1

$1,739

Mon 10/275:03 pmMDT - LGW

2 stops21h 47mBritish Airways

Deal found 4/30

$3,617

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 8/13

5:58 pm-1:30 pm

1 stop14h 32m

London Heathrow

Mon 9/29

9:20 am-11:38 pm

1 stop19h 18m

$659

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 8/13

12:35 pm-11:10 am

2 stops17h 35m

London Heathrow

Sun 9/28

9:20 am-10:45 pm

2 stops18h 25m

$663

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 8/21

2:40 pm-6:55 am

1 stop11h 15m

London Heathrow

Tue 9/2

2:05 pm-4:52 pm

2 stops31h 47m

$676

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 5/26

4:01 pm-2:15 pm

2 stops17h 14m

London Heathrow

Fri 6/13

7:55 am-8:40 pm

2 stops17h 45m

$750

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 5/26

1:25 pm-7:40 am

1 stop13h 15m

London Heathrow

Fri 6/13

3:30 pm-11:58 pm

1 stop13h 28m

$769

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Thu 7/3

12:33 pm-7:15 am

2 stops13h 42m

London City

Thu 7/17

7:45 am-11:52 pm

2 stops21h 07m

$983

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Thu 7/3

7:59 pm-4:25 pm

2 stops15h 26m

London City

Thu 7/17

8:45 am-6:49 pm

2 stops15h 04m

$3,639

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 8/12

6:33 pm-10:20 am

1 stop10h 47m

$734

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 10/27

2:55 pm-6:40 am

1 stop11h 45m

$1,739

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Mon 10/27

5:03 pm-6:50 pm

2 stops21h 47m

$3,617

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 May.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Harrisburg-London flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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, November is the cheapest month in which you can book a flight from Harrisburg to London (average of $661). Flying from Harrisburg to London in June is currently the most expensive (average of $1,103). 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 in the morning tend to be the most expensive. A flight at noon could potentially save you up to 45% on airfare.

Rainfall in London by month

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.

Temperature in London by month

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).

Reviews of airlines servicing London

See what other customers who have flown with Delta, KLM and United Airlines from Harrisburg to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,934 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,334 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Lufthansa

6.7

Okay

7,045 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.
What are the cheapest airlines flying from Harrisburg to London round-trip?
According to our current data, KLM ($659), Delta ($663), and United Airlines ($676) offers the cheapest pricing from Harrisburg to London. These flights start at 25% 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, November is the cheapest month in which you can book a flight from Harrisburg to London (average of $661). Flying from Harrisburg to London in June is currently the most expensive (average of $1,103). 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

Hayes

Hounslow

Thornton Heath

Luton

Horley

Canterbury

Harrow

Wembley

Dover

Gatwick

Orpington

Watford

Croydon

Borehamwood

Folkestone

Ilford

Aylesbury

Sutton

Chelmsford

Brentwood

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$646	Average$686	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$651	Average$878	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$651	Average$934	FlexibilityNo cancel fee	On-time69%
British Airways	Cheapest$669	Average$761	FlexibilityNo cancel fee	On-time70%

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$659+ 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 8/13. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Harrisburg to London

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

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 May 1, 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 May 1, 2025.

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 May.

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 May 1, 2025.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

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 May 1, 2025.

See what other customers who have flown with Delta, KLM and United Airlines from Harrisburg to London have to say. You can also see how each airline compares 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?

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 Harrisburg?

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Alternative routes for Harrisburg to London

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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 May 1, 2025.