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?

Atlanta (ATL) has the shortest average layover time for this route: 1h 53m.

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 $808.

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 February 2026.

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.

$226 Cheap Flights from Harrisburg to London in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Harrisburg to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:46 pm - 10:40 am

MDT

LHR

14h 54m

1 stop

9:00 am - 11:28 pm

LHR

MDT

19h 28m

2 stops

$648United Airlines

Sun, Apr 12 - Tue, Apr 21

8:00 pm - 6:55 am

MDT

LHR

29h 55m

1 stop

7:25 am - 7:30 pm

LHR

MDT

17h 05m

2 stops

$651United Airlines

Tue, Aug 11 - Wed, Aug 26

9:57 am - 6:50 am

MDT

LHR

15h 53m

1 stop

9:15 am - 10:53 pm

LHR

MDT

18h 38m

1 stop

$672British Airways

Sun, Apr 12 - Tue, Apr 21

10:36 am - 6:50 am

MDT

LHR

15h 14m

1 stop

12:30 pm - 11:12 pm

LHR

MDT

15h 42m

1 stop

$675British Airways

Tue, Aug 11 - Wed, Aug 26

6:32 pm - 4:00 pm

MDT

LGW

16h 28m

2 stops

10:25 am - 11:41 pm

LGW

MDT

18h 16m

2 stops

$765Delta

Wed, Apr 1 - Wed, Apr 8

6:16 pm - 6:20 am

MDT

LGW

31h 04m

2 stops

2:00 pm - 10:50 am

LGW

MDT

25h 50m

1 stop

$863Multiple Airlines

Fri, Apr 24 - Wed, Apr 29

2:50 pm - 12:10 pm

MDT

LCY

16h 20m

2 stops

9:50 am - 9:09 pm

LCY

MDT

16h 19m

2 stops

$886Multiple Airlines

Wed, Apr 29 - Wed, May 6

6:32 pm - 4:40 pm

MDT

LCY

17h 08m

2 stops

8:25 am - 11:41 pm

LCY

MDT

20h 16m

2 stops

$903Delta

Wed, Apr 1 - Wed, Apr 8

8:00 pm - 8:40 am

MDT

LCY

31h 40m

2 stops

6:30 pm - 11:28 pm

LCY

MDT

33h 58m

2 stops

$937Lufthansa

Sat, Aug 8 - Sun, Aug 16

2:46 pm - 5:55 pm

MDT

LCY

22h 09m

2 stops

6:30 pm - 11:28 pm

LCY

MDT

33h 58m

2 stops

$1,033Lufthansa

Sun, Apr 5 - Sun, Apr 12

American Airlines flights from Harrisburg to London

Our best American Airlines deals on Harrisburg to London flight tickets

American Airlines

Apr 16

MDT4:36 pmHarrisburg

12h 54m

1 stop

LHR10:30 amLondon Heathrow

Apr 23

LHR12:30 pmLondon Heathrow

13h 39m

1 stop

MDT9:09 pmHarrisburg

$728

American Airlines

Aug 8

MDT2:17 pmHarrisburg

11h 33m

1 stop

LHR6:50 amLondon Heathrow

Aug 18

LHR10:05 amLondon Heathrow

15h 10m

1 stop

MDT8:15 pmHarrisburg

$764

United Airlines flights from Harrisburg to London

Our best United Airlines deals on Harrisburg to London flight tickets

United Airlines

Apr 12

MDT2:46 pmHarrisburg

14h 54m

1 stop

LHR10:40 amLondon Heathrow

Apr 21

LHR9:00 amLondon Heathrow

19h 28m

2 stops

MDT11:28 pmHarrisburg

$648

United Airlines

Aug 11

MDT8:00 pmHarrisburg

29h 55m

1 stop

LHR6:55 amLondon Heathrow

Aug 26

LHR7:25 amLondon Heathrow

17h 05m

2 stops

MDT7:30 pmHarrisburg

$651

United Airlines

Aug 11

MDT6:30 amHarrisburg

22h 30m

2 stops

LHR10:00 amLondon Heathrow

Aug 26

LHR7:25 amLondon Heathrow

17h 05m

2 stops

MDT7:30 pmHarrisburg

$655

Fly from

Fly to

Route

Depart

Return

Price

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 4/12

2:46 pm-10:40 am

1 stop14h 54m

London Heathrow

Tue 4/21

9:00 am-11:28 pm

2 stops19h 28m

$648

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 8/11

8:00 pm-6:55 am

1 stop29h 55m

London Heathrow

Wed 8/26

7:25 am-7:30 pm

2 stops17h 05m

$651

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 4/12

9:57 am-6:50 am

1 stop15h 53m

London Heathrow

Tue 4/21

9:15 am-10:53 pm

1 stop18h 38m

$672

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 8/11

10:36 am-6:50 am

1 stop15h 14m

London Heathrow

Wed 8/26

12:30 pm-11:12 pm

1 stop15h 42m

$675

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Wed 4/1

6:32 pm-4:00 pm

2 stops16h 28m

London Gatwick

Wed 4/8

10:25 am-11:41 pm

2 stops18h 16m

$765

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Fri 4/24

6:16 pm-6:20 am

2 stops31h 04m

London Gatwick

Wed 4/29

2:00 pm-10:50 am

1 stop25h 50m

$863

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Wed 4/29

2:50 pm-12:10 pm

2 stops16h 20m

London City

Wed 5/6

9:50 am-9:09 pm

2 stops16h 19m

$886

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Wed 4/1

6:32 pm-4:40 pm

2 stops17h 08m

London City

Wed 4/8

8:25 am-11:41 pm

2 stops20h 16m

$903

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Sat 8/8

8:00 pm-8:40 am

2 stops31h 40m

London City

Sun 8/16

6:30 pm-11:28 pm

2 stops33h 58m

$937

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Sun 4/5

2:46 pm-5:55 pm

2 stops22h 09m

London City

Sun 4/12

6:30 pm-11:28 pm

2 stops33h 58m

$1,033

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Airlines

Layovers

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

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

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 56% of people opting to fly with this airline when traveling to London. Keep in mind that there are 9 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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	15h 15m
Direct flights	None

The fastest flight from Harrisburg to London takes 15h 15m

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 15h 15m.
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 February 2026.
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 35% and British Airways at 20%.

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 8,240 reviews	Search Delta flights
United Airlines	PriceFrom $634	Free Cancellation	Rating 7.4 9,341 reviews	Search United Airlines flights
American Airlines	PriceFrom $693	Free Cancellation	Rating 7.2 11,338 reviews	Search American Airlines flights
British Airways	PriceFrom $694	Free Cancellation	Rating 6.7 7,757 reviews	Search British Airways flights

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Crawley

Hayes

Wembley

Dartford

Brentwood

Croydon

Guildford

Harrow

Watford

Cobham

Folkestone

Romford

Stansted

Richmond

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Tue 3/24

Tue 3/31

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Nearby airports

Airlines

Cabin classes

Other United Kingdom destinations

Complete your trip

Feeling lucky

Fly into one of these airports located in London

London City Airport

London Gatwick Airport

London Heathrow Airport

London Luton Airport

London Southend Airport

London Stansted Airport

Cheap flights from Harrisburg to London from $226

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 7/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Harrisburg to London

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

American Airlines flights from Harrisburg to London

Our best American Airlines deals on Harrisburg to London flight tickets

United Airlines flights from Harrisburg to London

Our best United Airlines deals on Harrisburg to London flight tickets

momondo Fare Finder

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

See travel insights to London from

How to get the cheapest flight ticket from Harrisburg to London

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

What airlines fly to London?

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

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

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

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

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

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

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

Complete your trip to London

Explore popular destinations other users love

According to popular flight searches on momondo this year