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$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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LHR
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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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 septiembre 11, 2025.

Round-trip from

$524
(Delta)

One-way from

$399
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$758
From Harrisburg to London Heathrow
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One-way flight from Harrisburg to London Heathrow
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Highest demand for flights based on searches. 10% potential increase in price ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 septiembre 11, 2025.

This Delta deal was found by Cheapflights users on 9/11. 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.
lun. 11/312:33 pmMDT - LHR
1 stop15h 12mDelta
mar. 11/116:20 amLHR - MDT
2 stops21h 44mDelta
Deal found 9/11$524
This Delta deal was found by Cheapflights users on 9/9. 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.
mié. 10/1511:44 amMDT - LHR
1 stop20h 46mDelta
mié. 10/226:30 amLHR - MDT
2 stops21h 30mDelta
Deal found 9/9$525
This Delta deal was found by Cheapflights users on 9/8. 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.
mié. 10/86:10 amMDT - LHR
2 stops20h 05mDelta
jue. 10/169:55 amLHR - MDT
2 stops18h 13mDelta
Deal found 9/8$528
This Delta deal was found by Cheapflights users on 9/9. 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.
mié. 10/1512:33 pmMDT - LHR
2 stops15h 42mDelta
mar. 10/218:40 amLHR - MDT
2 stops19h 20mDelta
Deal found 9/9$529
This Delta deal was found by Cheapflights users on 9/8. 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.
mar. 10/76:25 pmMDT - LHR
1 stop11h 45mDelta
mar. 10/141:05 pmLHR - MDT
1 stop15h 03mDelta
Deal found 9/8$530
This KLM deal was found by Cheapflights users on 9/11. 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.
mié. 10/156:25 pmMDT - LHR
1 stop14h 05mKLM
mié. 10/223:15 pmLHR - MDT
1 stop12h 53mKLM
Deal found 9/11$532
This Delta deal was found by Cheapflights users on 9/8. 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.
mar. 10/76:10 amMDT - LHR
2 stops19h 10mDelta
mié. 10/159:40 amLHR - MDT
2 stops18h 20mDelta
Deal found 9/8$535
This Delta deal was found by Cheapflights users on 9/9. 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.
mar. 10/146:25 pmMDT - LHR
1 stop11h 45mDelta
jue. 10/2311:20 amLHR - MDT
2 stops16h 40mDelta
Deal found 9/9$536

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 septiembre 11, 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

mié. 11/5

11:44 am-9:00 am

1 stop16h 16m

London Heathrow

mié. 11/12

11:30 am-11:14 pm

2 stops16h 44m

$524

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

mar. 10/14

6:25 pm-11:10 am

1 stop11h 45m

London Heathrow

mié. 10/22

9:00 am-11:00 pm

2 stops19h 00m

$524

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

lun. 11/3

5:00 pm-8:45 am

1 stop10h 45m

London Heathrow

mar. 11/11

11:30 am-11:04 pm

2 stops16h 34m

$524

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

mié. 10/8

6:00 am-7:15 am

1 stop20h 15m

London Heathrow

jue. 10/16

9:55 am-11:08 pm

2 stops18h 13m

$524

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

mié. 10/15

6:00 am-7:15 am

1 stop20h 15m

London Heathrow

mar. 10/21

8:40 am-11:00 pm

2 stops19h 20m

$525

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

mié. 10/22

11:44 am-11:10 am

1 stop18h 26m

London Heathrow

mié. 10/29

6:30 am-11:08 pm

2 stops20h 38m

$525

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

mar. 10/7

6:25 pm-1:30 pm

1 stop14h 05m

London Heathrow

jue. 10/16

6:30 am-11:08 pm

2 stops21h 38m

$525

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

mié. 10/15

11:44 am-1:30 pm

1 stop20h 46m

London Heathrow

mié. 10/22

6:30 am-5:30 pm

2 stops16h 00m

$525

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

dom. 10/5

8:15 am-11:45 am

1 stop22h 30m

$399

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

sáb. 9/20

8:15 am-6:45 am

2 stops17h 30m

$444

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 11 results
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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 $1,098). 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 septiembre 11, 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.

How much does it cost to fly round-trip from Harrisburg to London Heathrow Airport?

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 septiembre 11, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American 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
7,960 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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
7,960 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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!
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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.

  • How long is the flight from Harrisburg to London Heathrow Airport?

    For as low as $524, Delta can have you in London Heathrow Airport from Harrisburg in 16h 16m. The distance from Harrisburg to London Heathrow Airport is about 3581 mi.

  • 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 $646. Additional round-trip tickets that might be worth considering are offered by American Airlines and British Airways, with the lowest prices starting at $688 and $694, respectively. Users have found that Delta is 25% cheaper than the other options available to this destination.

  • 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 $1,098). 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
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Wembley
Folkestone

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Harrisburg to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$646Average$754FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$688Average$861FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$694Average$758FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$725Average$979FlexibilityNo cancel feeOn-time69%

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