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$329+ Cheap flights from Harrisburg (MDT) to London (LON)

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LON
Jun 11 — Jun 181
Thu 6/11
Thu 6/18
1 adult, Economy
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Cheap flight deals from Harrisburg to London

Cheapest flights from Harrisburg to London
Explore the most affordable flight options available from Harrisburg to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 12, 2026.

This United Airlines deal was found by Cheapflights users on 5/10. 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 11/410:35 am
MDT
-
LHR
1 stop19h 15m
United Airlines
Fri 11/66:50 am
LHR
-
MDT
2 stops19h 30m
United Airlines
Deal found 5/10$760
This Delta deal was found by Cheapflights users on 5/7. 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.
Sat 5/92:00 pm
MDT
-
LHR
1 stop12h 15m
Delta
Sun 5/176:30 am
LHR
-
MDT
2 stops21h 20m
Delta
Deal found 5/7$869
This Delta deal was found by Cheapflights users on 5/8. 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.
Sun 5/106:33 pm
MDT
-
LHR
1 stop13h 42m
Delta
Thu 5/149:55 am
LHR
-
MDT
2 stops18h 56m
Delta
Deal found 5/8$870
This Delta deal was found by Cheapflights users on 5/9. 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.
Sat 5/95:00 pm
MDT
-
LHR
1 stop33h 10m
Delta
Wed 5/206:30 am
LHR
-
MDT
2 stops16h 11m
Delta
Deal found 5/9$875
This Delta deal was found by Cheapflights users on 5/8. 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.
Tue 8/186:24 pm
MDT
-
LHR
1 stop13h 51m
Delta
Wed 9/28:55 am
LHR
-
MDT
2 stops19h 45m
Delta
Deal found 5/8$877
This KLM deal was found by Cheapflights users on 5/12. 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 5/136:33 pm
MDT
-
LHR
1 stop13h 42m
Multiple Airlines
Wed 5/206:15 am
LHR
-
MDT
2 stops15h 02m
Multiple Airlines
Deal found 5/12$878
This Delta deal was found by Cheapflights users on 5/12. 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.
Thu 10/812:30 pm
MDT
-
LHR
2 stops17h 15m
Delta
Mon 10/198:40 am
LHR
-
MDT
2 stops19h 06m
Delta
Deal found 5/12$879
This Delta deal was found by Cheapflights users on 5/9. 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.
Sat 5/95:00 pm
MDT
-
LGW
2 stops18h 00m
Delta
Sun 5/1710:25 am
LGW
-
MDT
2 stops18h 26m
Delta
Deal found 5/9$882
This Cheapflightsfares deal was found by Cheapflights users on 5/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:59 pm
MDT
-
LHR
2 stops17h 26m
Lufthansa
Wed 9/210:50 am
LHR
-
MDT
2 stops17h 35m
Lufthansa
Deal found 5/7$884
This FlightHub deal was found by Cheapflights users on 5/7. 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.
Tue 8/182:26 pm
MDT
-
LHR
1 stop11h 24m
British Airways
Wed 9/29:15 am
LHR
-
MDT
2 stops18h 48m
British Airways
Deal found 5/7$886
This Delta deal was found by Cheapflights users on 5/7. 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.
Tue 8/1812:17 pm
MDT
-
LGW
2 stops16h 08m
Delta
Wed 9/210:25 am
LGW
-
MDT
2 stops18h 15m
Delta
Deal found 5/7$939
This Delta deal was found by Cheapflights users on 5/11. 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.
Tue 9/812:25 pm
MDT
-
LGW
2 stops16h 00m
Delta
Wed 9/2310:25 am
LGW
-
MDT
2 stops18h 15m
Delta
Deal found 5/11$946

Find flight deals from Harrisburg to London

Discover tips and strategies to find the most affordable flight options for your journey from Harrisburg (MDT) to London (LON). 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 May 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$760
(United Airlines)

One-way from

$329
(oojo)

Popular in

July

Cheapest in

January

Average price

$905
Provider with most accurate pricing for Harrisburg-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Harrisburg-London (LON) flights.
Search Deals
From Harrisburg to London (LON)
Search Deals
One-way flight from Harrisburg to London (LON)
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harrisburg to London 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 May 12, 2026.
Use the filters below to find and compare flights from Harrisburg to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 11/4

2:30 pm-10:50 am

1 stop15h 20m

London Heathrow

Fri 11/6

6:50 am-7:30 pm

2 stops17h 40m

$760

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 10/23

2:56 pm-11:20 am

1 stop15h 24m

London Heathrow

Tue 11/3

6:30 am-4:08 pm

2 stops14h 38m

$869

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 8/26

3:03 pm-1:05 pm

2 stops17h 02m

London Heathrow

Tue 9/8

9:55 am-10:44 pm

2 stops17h 49m

$874

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 8/21

12:17 pm-6:45 am

2 stops13h 28m

London Heathrow

Fri 8/28

8:40 am-11:43 pm

2 stops20h 03m

$874

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Thu 10/1

12:25 pm-6:25 am

1 stop13h 00m

London Heathrow

Mon 10/5

9:20 am-5:08 pm

1 stop12h 48m

$899

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Tue 8/18

12:17 pm-9:25 am

2 stops16h 08m

London Gatwick

Wed 9/2

10:25 am-11:40 pm

2 stops18h 15m

$939

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Tue 9/8

5:00 pm-4:00 pm

2 stops18h 00m

London Gatwick

Wed 9/23

10:25 am-11:40 pm

2 stops18h 15m

$946

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 8/8

7:59 pm-9:20 pm

2 stops20h 21m

London Heathrow

Tue 8/18

2:05 pm-4:52 pm

2 stops31h 47m

$957

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 8/8

7:59 pm-6:30 am

2 stops29h 31m

London Heathrow

Sun 8/16

9:30 am-11:25 pm

2 stops18h 55m

$983
Quickest round-trip

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sat 8/8

1:22 pm-6:50 am

1 stop12h 28m

London Heathrow

Sun 8/16

2:25 pm-9:59 pm

1 stop12h 34m

$989

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 33 resultsSorted by cheapest first
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2
3
4

Compare providers for flights from Harrisburg to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Harrisburg to London in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Harrisburg-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harrisburg-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harrisburg-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Harrisburg-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Harrisburg-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Harrisburg to London

Have a flexible travel schedule? Discover the best time to fly to London 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

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

Currently, January is the cheapest month in which you can book a flight from Harrisburg to London (average of $523). Flying from Harrisburg to London in February is currently the most expensive (average of $808). 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 to fly round-trip from Harrisburg to London?

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated May 12, 2026.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Harrisburg to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,701 reviews

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,701 reviews
United Airlines
7.4
Good
9,701 reviews

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,661 reviews
United Airlines
7.4
Good
9,701 reviews

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

Find useful and relevant information for your journey from Harrisburg to London. 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?

    Located just 8.5 mi from the city center, Harrisburg is the airport most travelers will use when flying to London from Harrisburg. Booking flights from Harrisburg (MDT) to London should be relatively easy as there are 0 daily outbound flights to London from 3 different airlines.

  • How long is the flight from Harrisburg to London?

    United Airlines, KLM, and Delta can get you from Harrisburg to London in just under 15h 20m. Your travel time can differ by up to 1h 42m. Airlines will cover a distance of 3581 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Delta ($531), United Airlines ($620), and American Airlines ($693) offers the cheapest pricing from Harrisburg to London. These flights start at 31% lower than the current average price 3 months from now.

  • What are the most popular routes from Harrisburg to London?

    Most travelers choose Harrisburg - London Heathrow, Harrisburg - London Gatwick or Harrisburg - London City when deciding on the best route from Harrisburg to London.

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

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

  • How can I find direct flights from Harrisburg to London?

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

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

    Yes. Cheapflights offers flight deals from Harrisburg to London 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?

    Currently, January is the cheapest month in which you can book a flight from Harrisburg to London (average of $523). Flying from Harrisburg to London in February is currently the most expensive (average of $808). 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?

Book flights to London if you plan to visit one of these locations
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Top 3 airlines flying from Harrisburg to London

Discover the top 3 airlines that operate flights from Harrisburg to London. 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 May 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$531Average$831FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$620Average$879FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$693Average$879FlexibilityNo cancel feeOn-time71%

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