HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$399+ Cheap flights from Harrisburg (MDT) to Heathrow (LHR)

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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LHR
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Harrisburg to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Harrisburg to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Harrisburg (MDT) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2025.

Round-trip from

$524
(Delta)

One-way from

$399
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$856
From Harrisburg to London Heathrow
Search Deals
One-way flight from Harrisburg to London Heathrow
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($107 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($57 potential savings vs. average RT 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 July 29, 2025.

This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/511:44 amMDT - LHR
1 stop13h 41mDelta
Wed 11/128:55 amLHR - MDT
2 stops19h 43mDelta
Deal found 7/28$524
This KLM deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2212:35 pmMDT - LHR
1 stop15h 20mKLM
Wed 10/2912:30 pmLHR - MDT
1 stop15h 08mKLM
Deal found 7/28$532
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:45 amMDT - LHR
1 stop24h 00mUnited Airlines
Wed 9/172:05 pmLHR - MDT
2 stops31h 47mUnited Airlines
Deal found 7/27$629
This KLM deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:58 pmMDT - LHR
1 stop12h 42mMultiple Airlines
Mon 12/2212:10 pmLHR - MDT
2 stops15h 35mMultiple Airlines
Deal found 7/28$737
This Ovago deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:40 pmMDT - LHR
1 stop9h 10mBritish Airways
Fri 11/77:05 pmLHR - MDT
2 stops28h 33mBritish Airways
Deal found 7/28$786
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2712:50 pmMDT - LHR
1 stop12h 50mAmerican Airlines
Wed 9/312:30 pmLHR - MDT
1 stop10h 31mAmerican Airlines
Deal found 7/28$789
This FlightHub deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/292:35 pmMDT - LHR
1 stop12h 05mLufthansa
Fri 11/74:20 pmLHR - MDT
1 stop31h 35mLufthansa
Deal found 7/28$856

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harrisburg to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from Harrisburg to London Heathrow Airport that are best for you.

Fly from

Harrisburg

Fly to

Heathrow

Route

Depart

Return

Price

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 11/5

11:44 am-6:25 am

1 stop13h 41m

London Heathrow

Wed 11/12

8:55 am-11:38 pm

2 stops19h 43m

$524

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 10/22

12:35 pm-8:55 am

1 stop15h 20m

London Heathrow

Wed 10/29

12:30 pm-11:38 pm

1 stop15h 08m

$532

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 9/10

6:45 am-11:45 am

1 stop24h 00m

London Heathrow

Wed 9/17

2:05 pm-4:52 pm

2 stops31h 47m

$629

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 12/15

5:58 pm-11:40 am

1 stop12h 42m

London Heathrow

Mon 12/22

12:10 pm-10:45 pm

2 stops15h 35m

$737

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 10/29

6:40 pm-7:50 am

1 stop9h 10m

London Heathrow

Fri 11/7

7:05 pm-6:38 pm

2 stops28h 33m

$786

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 8/27

12:50 pm-6:40 am

1 stop12h 50m

London Heathrow

Wed 9/3

12:30 pm-6:01 pm

1 stop10h 31m

$789

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 9/20

2:24 pm-6:30 am

2 stops35h 06m

$399

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 9/20

6:00 am-6:45 am

1 stop19h 45m

$469

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 10/7

6:40 pm-10:20 am

1 stop10h 40m

$777

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 10/27

2:35 pm-10:50 am

1 stop16h 15m

$1,662

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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 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 Heathrow Airport

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

Currently, November is the cheapest month in which you can book a flight from Harrisburg to London Heathrow Airport (average of $661). Flying from Harrisburg to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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 LHR?

Find hourly flight availability from Harrisburg to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 25% on flights from Harrisburg to London Heathrow Airport by exploring options for tickets in the morning.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated July 29, 2025.
Read reviews from past customers who have flown Delta, KLM, and United Airlines from Harrisburg to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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
1,383 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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!
Lufthansa
6.8
Okay
7,265 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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

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?

    Harrisburg (MDT) is the airport you will fly out of if you book a flight from Harrisburg to London Heathrow. You should not have trouble finding flights to London Heathrow from Harrisburg; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 4 airlines have flights from the Harrisburg airport to London Heathrow. It is only a 8.5 mi journey to Harrisburg (MDT) from Harrisburg’s city center.

  • 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 $524. Additional round-trip tickets that might be worth considering are offered by KLM and United Airlines, with the lowest prices starting at $532 and $629, respectively. Users have found that Delta is 37% cheaper than the other options available to this destination.

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

    $399 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on KLM and British Airways, with prices starting from $469 and $777, respectively.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Harrisburg to London Heathrow Airport (average of $661). Flying from Harrisburg to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dover
Stratford-upon-Avon
Orpington
Watford
Northampton
Gatwick
Borehamwood
Dartford
Broadway
Aylesbury
Chelmsford
Folkestone
Southend-on-Sea
Chichester
Swindon

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.
Newark to Heathrow flights
John F Kennedy Intl to Heathrow flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Gatwick flights
Newark to Gatwick flights
LaGuardia to Heathrow flights
Newark to London City flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Stansted flights
Dulles Intl to Heathrow flights
John F Kennedy Intl to Luton flights
Newark to Stansted flights
Newark to Luton flights
Reagan-National to Heathrow flights
Philadelphia to Heathrow flights
Dulles Intl to Gatwick flights
Dulles Intl to London City flights
LaGuardia to Stansted flights
Reagan-National to Gatwick flights
LaGuardia to Luton flights
Dulles Intl to Stansted flights
Dulles Intl to Luton flights
Philadelphia to Gatwick flights
LaGuardia to London City flights
Pittsburgh to Heathrow flights
Philadelphia to London City flights
Reagan-National to London City flights
Philadelphia to Stansted flights
Philadelphia to Luton flights
Pittsburgh to Gatwick flights
Reagan-National to Stansted flights
Pittsburgh to London City flights
Pittsburgh to Stansted flights
Pittsburgh to Luton flights
John F Kennedy Intl to Southend flights
Reagan-National to Luton flights
Newark to Southend flights
State College to Heathrow flights
Allentown to Heathrow flights
Harrisburg to London City flights
Scranton to Heathrow flights
Elmira to Heathrow flights
Harrisburg to Gatwick flights
Dulles Intl to Southend flights
Scranton to London City flights
Allentown to London City flights
Scranton to Gatwick flights

Top 4 airlines flying from Harrisburg to Heathrow

Discover the top 4 airlines that operate flights from Harrisburg to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$651Average$854FlexibilityNo cancel feeOn-time71%
DeltaCheapest$663Average$695FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$665Average$979FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$694Average$758FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.