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

Flying on Delta is currently your cheapest option to London Heathrow Airport, with prices starting at £479. Additional return tickets that might be worth considering are offered by KLM and United Airlines, with the lowest prices starting at £484 and £538, respectively. Delta is currently priced 22% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Harrisburg to London Heathrow Airport one-way?

To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at £327. United Airlines flights start at £378 while deals on British Airways start at £535 one-way.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

Flights from Harrisburg to London Heathrow Airport lean towards being more expensive in December. Prices are generally better when you fly from Harrisburg to London Heathrow Airport in October, with the cheapest ticket starting at £440.

What is the cheapest time of day to fly from MDT to LHR?

When flying from Harrisburg to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Harrisburg to London Heathrow?

Located just 8.5 mi from the city center, Harrisburg is the airport most travelers will use when flying to London Heathrow from Harrisburg. Booking flights from Harrisburg (MDT) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 0 different airlines.

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

Yes. In addition to deals on Harrisburg to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Harrisburg to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harrisburg to Heathrow.

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

Yes. Cheapflights offers flight deals from Harrisburg to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£327+ Flights from Harrisburg to London Heathrow Airport

Cheap flight deals from Harrisburg to Heathrow

Round-trip from	£479
One-way from	£327
Popular in	December
Cheapest in	October
Average price	£653

Delta
10/9-14/9
3 total stops
38h 11m total
Harrisburg to London

Search Deals

Delta
20/9
2 total stops
19h 42m total
Harrisburg to London

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£55 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease (£31 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Harrisburg to Heathrow

Cheapest flights from Harrisburg to Heathrow
Explore the most affordable flight options available from Harrisburg to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Wed 10/913:40MDT - LHR

1 stop18h 50mDelta

Sun 14/908:40LHR - MDT

2 stops19h 21mDelta

Deal found 30/6£479

Wed 10/918:11MDT - LHR

1 stop9h 44mKLM

Sun 14/909:20LHR - MDT

1 stop19h 10mKLM

Deal found 30/6£484

Wed 13/808:30MDT - LHR

2 stops17h 00mUnited Airlines

Wed 20/807:25LHR - MDT

2 stops17h 27mUnited Airlines

Deal found 29/6£538

Tue 22/718:36MDT - LHR

1 stop10h 54mBritish Airways

Thu 21/807:45LHR - MDT

2 stops17h 01mBritish Airways

Deal found 30/6£547

Wed 30/713:00MDT - LHR

1 stop12h 40mAmerican Airlines

Thu 7/814:40LHR - MDT

1 stop12h 17mAmerican Airlines

Deal found 30/6£579

Sat 22/1114:35MDT - LHR

2 stops21h 15mLufthansa

Sat 29/1107:30LHR - MDT

2 stops16h 25mLufthansa

Deal found 30/6£707

Sat 22/1113:45MDT - LHR

1 stop16h 55mMultiple Airlines

Sat 29/1106:30LHR - MDT

2 stops14h 39mMultiple Airlines

Deal found 30/6£907

Best flights from Harrisburg to Heathrow
Discover carefully curated flight deals from Harrisburg to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 July 2025.

Wed 10/913:40MDT - LHR

1 stop18h 50mDelta

Sun 14/908:40LHR - MDT

2 stops19h 21mDelta

Deal found 30/6£479

Wed 10/918:11MDT - LHR

1 stop9h 44mKLM

Sun 14/909:20LHR - MDT

1 stop19h 10mKLM

Deal found 30/6£484

Wed 13/808:30MDT - LHR

2 stops17h 00mUnited Airlines

Wed 20/807:25LHR - MDT

2 stops17h 27mUnited Airlines

Deal found 29/6£538

Tue 22/718:36MDT - LHR

1 stop10h 54mBritish Airways

Thu 21/807:45LHR - MDT

2 stops17h 01mBritish Airways

Deal found 30/6£547

Wed 30/713:00MDT - LHR

1 stop12h 40mAmerican Airlines

Thu 7/814:40LHR - MDT

1 stop12h 17mAmerican Airlines

Deal found 30/6£579

Sat 22/1114:35MDT - LHR

2 stops21h 15mLufthansa

Sat 29/1107:30LHR - MDT

2 stops16h 25mLufthansa

Deal found 30/6£707

Sat 22/1113:45MDT - LHR

1 stop16h 55mMultiple Airlines

Sat 29/1106:30LHR - MDT

2 stops14h 39mMultiple Airlines

Deal found 30/6£907

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

Thu 3/719:59MDT - LHR

2 stops16h 06mLufthansa

Thu 17/707:30LHR - MDT

2 stops16h 19mLufthansa

Deal found 1/7£5,719

Thu 10/719:59MDT - LHR

1 stop9h 41mUnited Airlines

Sat 19/706:50LHR - MDT

2 stops21h 40mUnited Airlines

Deal found 29/6£1,078

Thu 10/718:25MDT - LHR

1 stop11h 45mKLM

Sat 19/715:15LHR - MDT

1 stop13h 37mKLM

Deal found 29/6£1,086

Wed 16/719:59MDT - LHR

1 stop9h 41mUnited Airlines

Wed 6/808:40LHR - MDT

2 stops19h 50mUnited Airlines

Deal found 29/6£595

Wed 16/717:00MDT - LHR

1 stop10h 55mKLM

Thu 7/815:15LHR - MDT

1 stop13h 37mKLM

Deal found 29/6£609

Tue 22/718:36MDT - LHR

1 stop10h 54mBritish Airways

Thu 21/807:45LHR - MDT

2 stops17h 01mBritish Airways

Deal found 30/6£547

Tue 22/714:41MDT - LHR

2 stops18h 59mMultiple Airlines

Thu 21/807:40LHR - MDT

3 stops33h 06mMultiple Airlines

Deal found 30/6£1,229

Wed 30/713:00MDT - LHR

1 stop12h 40mAmerican Airlines

Thu 7/814:40LHR - MDT

1 stop12h 17mAmerican Airlines

Deal found 30/6£579

Wed 30/712:33MDT - LHR

2 stops16h 42mDelta

Thu 7/809:35LHR - MDT

2 stops18h 24mDelta

Deal found 30/6£583

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

Sat 20/912:28MDT - LHR

2 stops19h 42mDelta

Deal found 1/7£327

Thu 14/808:30MDT - LHR

1 stop18h 50mUnited Airlines

Deal found 30/6£378

Wed 9/718:36MDT - LHR

1 stop10h 54mBritish Airways

Deal found 30/6£535

Thu 14/811:39MDT - LHR

2 stops43h 26mWestJet

Deal found 30/6£802

Mon 27/1014:35MDT - LHR

2 stops15h 10mLufthansa

Deal found 1/7£1,676

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 10/9

13:40-13:30

1 stop18h 50m

London Heathrow

Sun 14/9

08:40-23:01

2 stops19h 21m

£479

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 10/9

18:11-08:55

1 stop9h 44m

London Heathrow

Sun 14/9

09:20-23:30

1 stop19h 10m

£484

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 13/8

08:30-06:30

2 stops17h 00m

London Heathrow

Wed 20/8

07:25-19:52

2 stops17h 27m

£538

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 22/7

18:36-10:30

1 stop10h 54m

London Heathrow

Thu 21/8

07:45-19:46

2 stops17h 01m

£547

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 30/7

13:00-06:40

1 stop12h 40m

London Heathrow

Thu 7/8

14:40-21:57

1 stop12h 17m

£579

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 22/11

14:35-16:50

2 stops21h 15m

London Heathrow

Sat 29/11

07:30-18:55

2 stops16h 25m

£707

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 22/11

13:45-11:40

1 stop16h 55m

London Heathrow

Sat 29/11

06:30-16:09

2 stops14h 39m

£907

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 20/9

12:28-13:10

2 stops19h 42m

£327

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 14/8

08:30-08:20

1 stop18h 50m

£378

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 9/7

18:36-10:30

1 stop10h 54m

£535

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 12 results

Best time to book a flight from Harrisburg to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Harrisburg with our price prediction graph.

Estimated return 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 Heathrow Airport

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

Currently, January is the cheapest month in which you can book a flight from Harrisburg to London Heathrow Airport (average of £112). Flying from Harrisburg to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

How much does it cost for a return flight from Harrisburg to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Harrisburg to London Heathrow Airport, such as Delta, KLM, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,973 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,366 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,852 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

WestJet

7.2

Good

2,909 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly from for flights from Harrisburg to London Heathrow?
Located just 8.5 mi from the city center, Harrisburg is the airport most travelers will use when flying to London Heathrow from Harrisburg. Booking flights from Harrisburg (MDT) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 0 different airlines.
What are the cheapest airlines flying from Harrisburg to London Heathrow Airport round-trip?
Flying on Delta is currently your cheapest option to London Heathrow Airport, with prices starting at £479. Additional return tickets that might be worth considering are offered by KLM and United Airlines, with the lowest prices starting at £484 and £538, respectively. Delta is currently priced 22% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Harrisburg to London Heathrow Airport one-way?
To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at £327. United Airlines flights start at £378 while deals on British Airways start at £535 one-way.
Can I find deals for flights from Harrisburg to Heathrow that include hotel bookings?
Yes. In addition to deals on Harrisburg to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Harrisburg to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harrisburg to Heathrow.
Can I find deals for business class flights from Harrisburg to Heathrow?
Yes. Cheapflights offers flight deals from Harrisburg to Heathrow 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 Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Harrisburg to London Heathrow Airport (average of £112). Flying from Harrisburg to London Heathrow Airport in August is currently the most expensive (average of £164). 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

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Deal

Northampton

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Slough

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Ipswich

Winchester

Hayes

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How does Cheapflights help users find flights from Harrisburg to Heathrow?

Cheapflights helps you search for flights from Harrisburg to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Harrisburg to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Harrisburg by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Harrisburg to Heathrow with no change fees?

Yes, we can. To see specific flights from Harrisburg to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Harrisburg to Heathrow become cheaper?

Of course! You can now track prices for flights from Harrisburg to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from Harrisburg to London Heathrow Airport from £327

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Harrisburg to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Harrisburg to Heathrow

Cheapest flights from Harrisburg to HeathrowExplore the most affordable flight options available from Harrisburg to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Explore the most affordable flight options available from Harrisburg to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Harrisburg to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Harrisburg with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Harrisburg to London Heathrow Airport

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

How much does it cost for a return flight from Harrisburg to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Harrisburg to London Heathrow Airport, such as Delta, KLM, andUnited Airlines. Reviews also offer insight into each airline's 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 Heathrow. 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 Heathrow?

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

What are the cheapest airlines to fly from Harrisburg to London Heathrow Airport one-way?

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

How can I find direct flights from Harrisburg to Heathrow?

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

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

Travelling to a place near Harrisburg?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Harrisburg to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Harrisburg to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Harrisburg to Heathrow?

Can Cheapflights find flights from Harrisburg to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Harrisburg to Heathrow become cheaper?

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Cheapest flights from Harrisburg to Heathrow
Explore the most affordable flight options available from Harrisburg to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.