What is the cheapest airline that flies from Harrisburg to London?

British Airways, Lufthansa, and United Airlines are the most popular carriers operating from Harrisburg to London

Which airport is the most popular layover for flights between Harrisburg and London?

Washington, D.C. (IAD) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to London?

British Airways, American Airlines and Icelandair are the top three most popular airlines that fly to London from Harrisburg according to our data. British Airways is the first choice among our users, with 52% of people opting to fly with this airline when traveling to London. Keep in mind that there are 11 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Harrisburg to London?

Flights via Philadelphia (PHL) offer the lowest average round-trip price of $644.

Which layover airport has the shortest travel time from Harrisburg to London?

Flights connecting via Philadelphia (PHL) have the shortest average one-way travel time: 9h 48m.

Which layover airport has the shortest connection time from Harrisburg to London?

Philadelphia (PHL) has the shortest average layover time for this route: 2h 05m.

When did momondo last update prices for flights from Harrisburg Airport to London?

Prices for flights from Harrisburg Airport to London are refreshed on a daily basis.

How many operators does momondo search for flights from Harrisburg Airport to London?

The number of operators available for flights from Harrisburg Airport to London is 4 as of December 2025.

How old do you have to be to fly from Harrisburg Airport to London?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Harrisburg Airport to London.

What documentation or ID do you need to fly to London?

The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$450 Cheap Flights from Harrisburg to London in 2025/26

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One-way

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Cheap round-trip flights

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12:20 pm - 9:00 am

MDT

LHR

15h 40m1 stop

9:00 am - 11:33 pm

LHR

MDT

19h 33m2 stops

$623Delta

Fri, Feb 20 - Wed, Feb 25

12:20 pm - 7:50 am

MDT

LHR

14h 30m1 stop

8:55 am - 11:33 pm

LHR

MDT

19h 38m1 stop

$630KLM

Fri, Feb 20 - Wed, Feb 25

3:15 pm - 7:50 am

MDT

LHR

12h 35m1 stop

6:05 am - 7:25 pm

LHR

MDT

17h 20m2 stops

$655British Airways

Sun, Mar 15 - Fri, Mar 20

3:15 pm - 7:50 am

MDT

LHR

12h 35m1 stop

1:10 pm - 10:14 pm

LHR

MDT

13h 04m1 stop

$656British Airways

Sun, Mar 15 - Fri, Mar 20

5:02 pm - 10:20 am

MDT

LHR

12h 18m1 stop

6:15 pm - 4:32 pm

LHR

MDT

27h 17m2 stops

$701British Airways

Fri, Apr 24 - Mon, Apr 27

5:02 pm - 7:50 am

MDT

LHR

9h 48m1 stop

7:25 pm - 10:00 pm

LHR

MDT

31h 35m2 stops

$702British Airways

Fri, Apr 24 - Mon, Apr 27

10:48 am - 7:55 am

MDT

LHR

16h 07m1 stop

6:50 am - 6:59 pm

LHR

MDT

17h 09m2 stops

$709United Airlines

Fri, Jan 23 - Tue, Jan 27

10:34 am - 7:10 am

MDT

LHR

15h 36m2 stops

6:50 am - 6:59 pm

LHR

MDT

17h 09m2 stops

$713United Airlines

Fri, Jan 23 - Tue, Jan 27

11:11 am - 10:00 am

MDT

LGW

17h 49m1 stop

2:00 pm - 10:01 am

LGW

MDT

25h 01m1 stop

$1,040Multiple Airlines

Sun, Dec 21 - Mon, Dec 29

11:11 am - 10:00 am

MDT

LGW

17h 49m1 stop

2:00 pm - 10:01 am

LGW

MDT

25h 01m1 stop

$1,057Multiple Airlines

Sun, Dec 21 - Mon, Dec 29

KLM flights from Harrisburg to London

Our best KLM deals on Harrisburg to London flight tickets

KLM

Feb 20

MDT12:20 pmHarrisburg

14h 30m

1 stop

LHR7:50 amLondon Heathrow

Feb 25

LHR8:55 amLondon Heathrow

19h 38m

1 stop

MDT11:33 pmHarrisburg

$630

Find similar

KLM

Apr 24

MDT6:25 pmHarrisburg

14h 05m

1 stop

LHR1:30 pmLondon Heathrow

Apr 27

LHR10:55 amLondon Heathrow

17h 46m

1 stop

MDT11:41 pmHarrisburg

$720

Find similar

United Airlines flights from Harrisburg to London

Our best United Airlines deals on Harrisburg to London flight tickets

United Airlines

Jan 23

MDT10:48 amHarrisburg

16h 07m

1 stop

LHR7:55 amLondon Heathrow

Jan 27

LHR6:50 amLondon Heathrow

17h 09m

2 stops

MDT6:59 pmHarrisburg

$709

Find similar

United Airlines

Jan 23

MDT10:34 amHarrisburg

15h 36m

2 stops

LHR7:10 amLondon Heathrow

Jan 27

LHR6:50 amLondon Heathrow

17h 09m

2 stops

MDT6:59 pmHarrisburg

$713

Find similar

United Airlines

Feb 20

MDT10:40 amHarrisburg

14h 15m

2 stops

LHR5:55 amLondon Heathrow

Feb 25

LHR6:50 amLondon Heathrow

14h 54m

2 stops

MDT4:44 pmHarrisburg

$714

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 2/20

12:20 pm-9:00 am

1 stop15h 40m

London Heathrow

Wed 2/25

9:00 am-11:33 pm

2 stops19h 33m

$623

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 2/20

12:20 pm-7:50 am

1 stop14h 30m

London Heathrow

Wed 2/25

8:55 am-11:33 pm

1 stop19h 38m

$630

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 3/15

3:15 pm-7:50 am

1 stop12h 35m

London Heathrow

Fri 3/20

6:05 am-7:25 pm

2 stops17h 20m

$655

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 3/15

3:15 pm-7:50 am

1 stop12h 35m

London Heathrow

Fri 3/20

1:10 pm-10:14 pm

1 stop13h 04m

$656

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 4/24

5:02 pm-10:20 am

1 stop12h 18m

London Heathrow

Mon 4/27

6:15 pm-4:32 pm

2 stops27h 17m

$701

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 4/24

5:02 pm-7:50 am

1 stop9h 48m

London Heathrow

Mon 4/27

7:25 pm-10:00 pm

2 stops31h 35m

$702

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 1/23

10:48 am-7:55 am

1 stop16h 07m

London Heathrow

Tue 1/27

6:50 am-6:59 pm

2 stops17h 09m

$709

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 1/23

10:34 am-7:10 am

2 stops15h 36m

London Heathrow

Tue 1/27

6:50 am-6:59 pm

2 stops17h 09m

$713

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Sun 12/21

11:11 am-10:00 am

1 stop17h 49m

London Gatwick

Mon 12/29

2:00 pm-10:01 am

1 stop25h 01m

$1,040

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Sun 12/21

11:11 am-10:00 am

1 stop17h 49m

London Gatwick

Mon 12/29

2:00 pm-10:01 am

1 stop25h 01m

$1,057

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Harrisburg to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest day to depart on your flight to London?

The cheapest day to depart from Harrisburg to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $680. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $980. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from Harrisburg at noon is the least expensive time of day to depart. momondo users have found prices as low as $716 when looking at flights departing at noon. Flights to London are more costly in the morning, with an average ticket price of $1,290. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Harrisburg to London

Are you open to changing your travel dates? Check out the ideal times to fly from Harrisburg to London according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Harrisburg to London (MDT to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harrisburg to London

Fastest flight time	8h 48m
Direct flights	None

The fastest flight from Harrisburg to London takes 8h 48m

There are no direct flights from Harrisburg to London. There are no popular flight routes from Harrisburg to London.

Search flight deals

How far is Harrisburg to London by plane?
There are 3595.2 mi between Harrisburg and London. By plane, this route typically takes 9h 48m.
When did momondo last update prices for flights from Harrisburg Airport to London?
Prices for flights from Harrisburg Airport to London are refreshed on a daily basis.
How many operators does momondo search for flights from Harrisburg Airport to London?
The number of operators available for flights from Harrisburg Airport to London is 4 as of December 2025.
How old do you have to be to fly from Harrisburg Airport to London?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Harrisburg Airport to London.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Harrisburg to London?
momondo data reveals that the most frequently booked airline on the route from Harrisburg to London is American Airlines, representing 45% of all bookings. The subsequent popular airlines are United Airlines at 29% and British Airways at 26%.

Best airlines flying from Harrisburg to London

Compare and see reviews for airlines that fly from Harrisburg to London with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $531	Free Cancellation	Rating 7.9 8,011 reviews	Search Delta flights
United Airlines	PriceFrom $634	Free Cancellation	Rating 7.4 9,065 reviews	Search United Airlines flights
American Airlines	PriceFrom $693	Free Cancellation	Rating 7.2 11,047 reviews	Search American Airlines flights
British Airways	PriceFrom $694	Free Cancellation	Rating 6.7 7,562 reviews	Search British Airways flights

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Wembley

Romford

Watford

Ilford

Cobham

Folkestone

Uxbridge

Stansted

Chelmsford

Why use momondo?

Why should I use momondo to find a flight deal from Harrisburg to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Harrisburg to London for you.

Can I find flights from Harrisburg to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Harrisburg to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Harrisburg to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Harrisburg.

I’m not ready to book a flight from Harrisburg to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Harrisburg to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

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London Gatwick Airport

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London Southend Airport

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Popular cities in the United Kingdom

Flights to Manchesterfrom $360

Flights to Edinburghfrom $345

Flights to Birminghamfrom $387

Flights to Glasgowfrom $396

Flights to Newcastle upon Tynefrom $441

Flights to Belfastfrom $441

Flights to Bristolfrom $424

Flights to Invernessfrom $382

Flights to Liverpoolfrom $424

Flights to Aberdeenfrom $504

Flights to Leedsfrom $430

Flights to Cardifffrom $424

Cheap flights from Harrisburg to London from $450

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Harrisburg to London departing on 12/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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KLM flights from Harrisburg to London

Our best KLM deals on Harrisburg to London flight tickets

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How to get the cheapest flight ticket from Harrisburg to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to London?

What is the cheapest time of day to depart on your flight to London?

What is the cheapest airline that flies from Harrisburg to London?

British Airways, Lufthansa, and United Airlines are the most popular carriers operating from Harrisburg to London

What airlines fly to London?

Which airport is the most popular layover for flights between Harrisburg and London?

Washington, D.C. (IAD) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Harrisburg to London?

Flights via Philadelphia (PHL) offer the lowest average round-trip price of $644.

Which layover airport has the shortest travel time from Harrisburg to London?

Flights connecting via Philadelphia (PHL) have the shortest average one-way travel time: 9h 48m.

Which layover airport has the shortest connection time from Harrisburg to London?

Philadelphia (PHL) has the shortest average layover time for this route: 2h 05m.

When to book flights from Harrisburg to London

Cheap Harrisburg to London (MDT to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harrisburg to London

Fastest flight time

Direct flights

How far is Harrisburg to London by plane?

When did momondo last update prices for flights from Harrisburg Airport to London?

How many operators does momondo search for flights from Harrisburg Airport to London?

How old do you have to be to fly from Harrisburg Airport to London?

What documentation or ID do you need to fly to London?

What is the most popular airline from Harrisburg to London?

Best airlines flying from Harrisburg to London

Compare and see reviews for airlines that fly from Harrisburg to London with momondo

Traveling to a place near London?

Why use momondo?

Why should I use momondo to find a flight deal from Harrisburg to London?

Can I find flights from Harrisburg to London with flexible booking policies on momondo?

How can momondo help me find flights from Harrisburg to London?

I’m not ready to book a flight from Harrisburg to London right now. Can momondo alert me if prices change?

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London