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

American Airlines, United Airlines, and Delta 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 8 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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 offers the lowest fares from Harrisburg to London?

Flights via Philadelphia (PHL) offer the lowest average round-trip price of $808.

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?

Philadelphia (PHL) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

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 3 as of May 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.

$329 Cheap Flights from Harrisburg to London in 2026

Q: What is the typical price of a round-trip flight between Harrisburg and London?

Prices are currently low for flights on this route. Typical prices usually range from $1,029 to $760. The lowest price recently found on this route was $865.

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.

7:59 pm - 6:55 am

MDT

LHR

29h 56m

1 stop

6:50 am - 11:29 pm

LHR

MDT

21h 39m

2 stops

$865United Airlines

Fri, Oct 9 - Mon, Oct 12

12:30 pm - 7:10 am

MDT

LHR

13h 40m

1 stop

8:40 am - 11:40 pm

LHR

MDT

20h 00m

2 stops

$868Delta

Tue, Sep 8 - Wed, Sep 23

11:55 am - 6:25 am

MDT

LHR

13h 30m

1 stop

9:55 am - 10:44 pm

LHR

MDT

17h 49m

2 stops

$869Delta

Wed, Aug 26 - Tue, Sep 8

11:55 am - 1:15 pm

MDT

LHR

20h 20m

1 stop

8:40 am - 10:44 pm

LHR

MDT

19h 04m

2 stops

$870Delta

Wed, Aug 26 - Tue, Sep 8

12:17 pm - 6:45 am

MDT

LHR

13h 28m

2 stops

6:30 am - 10:44 pm

LHR

MDT

21h 14m

2 stops

$873Delta

Wed, Aug 26 - Tue, Sep 8

2:52 pm - 5:55 pm

MDT

LCY

22h 03m

2 stops

9:15 am - 11:30 pm

LCY

MDT

19h 15m

2 stops

$978Lufthansa

Wed, Aug 12 - Wed, Aug 19

2:17 pm - 12:10 pm

MDT

LCY

16h 53m

2 stops

9:35 am - 9:32 pm

LCY

MDT

16h 57m

2 stops

$1,097British Airways

Wed, Oct 7 - Wed, Oct 14

7:59 pm - 8:40 am

MDT

LCY

31h 41m

2 stops

9:15 am - 11:25 pm

LCY

MDT

19h 10m

2 stops

$1,130Lufthansa

Tue, Aug 4 - Tue, Sep 8

2:26 pm - 12:05 pm

MDT

LCY

16h 39m

2 stops

9:35 am - 11:03 pm

LCY

MDT

18h 28m

2 stops

$1,132British Airways

Tue, Aug 18 - Wed, Sep 2

2:26 pm - 12:05 pm

MDT

LCY

16h 39m

2 stops

9:35 am - 11:03 pm

LCY

MDT

18h 28m

2 stops

$1,133British Airways

Tue, Aug 18 - Wed, Sep 2

Delta flights from Harrisburg to London

Our best Delta deals on Harrisburg to London flight tickets

Delta

Aug 18

MDT6:24 pmHarrisburg

13h 51m

1 stop

LHR1:15 pmLondon Heathrow

Sep 2

LHR8:40 amLondon Heathrow

20h 00m

2 stops

MDT11:40 pmHarrisburg

$868

Delta

Aug 26

MDT11:55 amHarrisburg

13h 30m

1 stop

LHR6:25 amLondon Heathrow

Sep 8

LHR9:55 amLondon Heathrow

17h 49m

2 stops

MDT10:44 pmHarrisburg

$869

Delta

Oct 8

MDT2:56 pmHarrisburg

11h 19m

1 stop

LHR7:15 amLondon Heathrow

Oct 12

LHR9:55 amLondon Heathrow

17h 51m

2 stops

MDT10:46 pmHarrisburg

$870

KLM flights from Harrisburg to London

Our best KLM deals on Harrisburg to London flight tickets

KLM

Aug 12

MDT12:17 pmHarrisburg

13h 53m

1 stop

LHR7:10 amLondon Heathrow

Aug 19

LHR10:45 amLondon Heathrow

17h 36m

1 stop

MDT11:21 pmHarrisburg

$897

KLM

Aug 23

MDT6:24 pmHarrisburg

13h 51m

1 stop

LHR1:15 pmLondon Heathrow

Sep 5

LHR9:20 amLondon Heathrow

19h 20m

1 stop

MDT11:40 pmHarrisburg

$898

KLM

Oct 6

MDT2:56 pmHarrisburg

17h 19m

1 stop

LHR1:15 pmLondon Heathrow

Oct 13

LHR11:15 amLondon Heathrow

17h 23m

1 stop

MDT11:38 pmHarrisburg

$961

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 10/9

7:59 pm-6:55 am

1 stop29h 56m

London Heathrow

Mon 10/12

6:50 am-11:29 pm

2 stops21h 39m

$865

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 9/8

12:30 pm-7:10 am

1 stop13h 40m

London Heathrow

Wed 9/23

8:40 am-11:40 pm

2 stops20h 00m

$868

Quickest round-trip

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 8/26

11:55 am-6:25 am

1 stop13h 30m

London Heathrow

Tue 9/8

9:55 am-10:44 pm

2 stops17h 49m

$869

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 8/26

11:55 am-1:15 pm

1 stop20h 20m

London Heathrow

Tue 9/8

8:40 am-10:44 pm

2 stops19h 04m

$870

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 8/26

12:17 pm-6:45 am

2 stops13h 28m

London Heathrow

Tue 9/8

6:30 am-10:44 pm

2 stops21h 14m

$873

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Wed 8/12

2:52 pm-5:55 pm

2 stops22h 03m

London City

Wed 8/19

9:15 am-11:30 pm

2 stops19h 15m

$978

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Wed 10/7

2:17 pm-12:10 pm

2 stops16h 53m

London City

Wed 10/14

9:35 am-9:32 pm

2 stops16h 57m

$1,097

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Tue 8/4

7:59 pm-8:40 am

2 stops31h 41m

London City

Tue 9/8

9:15 am-11:25 pm

2 stops19h 10m

$1,130

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Tue 8/18

2:26 pm-12:05 pm

2 stops16h 39m

London City

Wed 9/2

9:35 am-11:03 pm

2 stops18h 28m

$1,132

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Tue 8/18

2:26 pm-12:05 pm

2 stops16h 39m

London City

Wed 9/2

9:35 am-11:03 pm

2 stops18h 28m

$1,133

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

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Harrisburg and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Harrisburg is in January. Flight prices, which tend to average around $523, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Harrisburg averaging around $531.

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	11h 03m
Direct flights	None

The fastest flight from Harrisburg to London takes 11h 03m

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

Search flight deals

Frequently asked questions about flying from Harrisburg to London

How far is Harrisburg to London by plane?
There are 3595.2 mi between Harrisburg and London. By plane, this route typically takes 11h 03m.
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 3 as of May 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 50% of all bookings. The subsequent popular airline is United Airlines at 50%.

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 8,447 reviews	Search Delta flights
United Airlines	PriceFrom $620	Free Cancellation	Rating 7.4 9,737 reviews	Search United Airlines flights
American Airlines	PriceFrom $728	Free Cancellation	Rating 7.1 11,648 reviews	Search American Airlines flights

Hounslow

Gatwick

Milton Keynes

Dover

Luton

Hayes

Crawley

Wembley

Slough

Croydon

Stansted

Watford

Harrow

Brentwood

Dartford

Cobham

Folkestone

Romford

Uxbridge

Guildford

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

Wed 6/17

Wed 6/24

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 $329

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 9/7. 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

Delta flights from Harrisburg to London

Our best Delta deals on Harrisburg to London flight tickets

KLM flights from Harrisburg to London

Our best KLM 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 typical price of a round-trip flight between Harrisburg and London?

What is the cheapest month to fly 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

Frequently asked questions about flying 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?

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