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$399+ 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LON
Feb 17 — Feb 241
Tue 2/17
Tue 2/24
1 adult, Economy
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Cheap 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 January 18, 2026.

Most accurate provider

oojo
3 stars

Most trusted provider

oojo
3 stars

Round-trip from

$589
(oojo)

One-way from

$261
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$532
Provider with most accurate pricing for Harrisburg-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Harrisburg-London (LON) flights.
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From Harrisburg to London (LON)
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One-way flight from Harrisburg to London (LON)
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Highest demand for flights based on searches. 13% potential increase in price ($118 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 18, 2026.

This oojo deal was found by Cheapflights users on 1/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:51 pm
MDT
-
LHR
1 stop30h 59m
British Airways
Mon 4/277:50 am
LHR
-
MDT
2 stops18h 19m
British Airways
Deal found 1/16$615
This United Airlines deal was found by Cheapflights users on 1/17. 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.
Tue 3/32:33 pm
MDT
-
LHR
1 stop15h 17m
United Airlines
Tue 3/106:50 am
LHR
-
MDT
2 stops20h 23m
United Airlines
Deal found 1/17$629
This United Airlines deal was found by Cheapflights users on 1/17. 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.
Tue 2/102:28 pm
MDT
-
LHR
1 stop11h 12m
United Airlines
Tue 2/1712:05 pm
LHR
-
MDT
1 stop11h 35m
United Airlines
Deal found 1/17$658
This United Airlines deal was found by Cheapflights users on 1/16. 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.
Mon 3/22:33 pm
MDT
-
LHR
1 stop11h 07m
United Airlines
Sun 3/87:40 am
LHR
-
MDT
1 stop13h 04m
United Airlines
Deal found 1/16$659
This Booking.com deal was found by Cheapflights users on 1/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/53:03 pm
MDT
-
LHR
1 stop11h 47m
Multiple Airlines
Mon 2/97:05 pm
LHR
-
MDT
2 stops30h 09m
Multiple Airlines
Deal found 1/17$677
This United Airlines deal was found by Cheapflights users on 1/17. 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.
Fri 1/306:15 am
MDT
-
LHR
1 stop19h 25m
United Airlines
Tue 2/36:50 am
LHR
-
MDT
2 stops19h 37m
United Airlines
Deal found 1/17$679
This United Airlines deal was found by Cheapflights users on 1/17. 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.
Sun 8/166:00 am
MDT
-
LHR
1 stop23h 40m
United Airlines
Fri 8/215:40 pm
LHR
-
MDT
2 stops30h 00m
United Airlines
Deal found 1/17$685
This Cheapflightsfares deal was found by Cheapflights users on 1/17. 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.
Thu 2/53:03 pm
MDT
-
LHR
1 stop11h 47m
British Airways
Mon 2/910:15 am
LHR
-
MDT
1 stop14h 59m
British Airways
Deal found 1/17$699
This Booking.com deal was found by Cheapflights users on 1/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/53:03 pm
MDT
-
LCY
2 stops36h 47m
Multiple Airlines
Mon 2/97:15 pm
LCY
-
MDT
2 stops29h 59m
Multiple Airlines
Deal found 1/17$786
This Expedia deal was found by Cheapflights users on 1/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/212:28 pm
MDT
-
LCY
2 stops22h 12m
Lufthansa
Mon 1/266:15 pm
LCY
-
MDT
2 stops29h 44m
Lufthansa
Deal found 1/18$905
This Expedia deal was found by Cheapflights users on 1/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/202:28 pm
MDT
-
LCY
2 stops13h 47m
Lufthansa
Mon 1/266:15 pm
LCY
-
MDT
2 stops29h 44m
Lufthansa
Deal found 1/18$939
This oojo deal was found by Cheapflights users on 1/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/213:03 pm
MDT
-
LCY
2 stops18h 02m
British Airways
Tue 1/277:15 pm
LCY
-
MDT
2 stops29h 59m
British Airways
Deal found 1/17$961

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 January 18, 2026.
Use the filters below to find and compare flights from Harrisburg to London that are best for you.

Fly from

Harrisburg

Fly to

London

Route

Depart

Return

Price

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 4/24

7:51 pm-7:50 am

1 stop30h 59m

London Heathrow

Mon 4/27

7:50 am-9:09 pm

2 stops18h 19m

$615

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 3/4

10:40 am-6:40 am

1 stop15h 00m

London Heathrow

Wed 3/11

6:50 am-11:13 pm

2 stops20h 23m

$629

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 3/3

2:33 pm-10:50 am

1 stop15h 17m

London Heathrow

Tue 3/10

6:50 am-11:13 pm

2 stops20h 23m

$629

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 2/10

2:28 pm-6:40 am

1 stop11h 12m

London Heathrow

Tue 2/17

12:05 pm-6:40 pm

1 stop11h 35m

$658

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 3/2

2:33 pm-6:40 am

1 stop11h 07m

London Heathrow

Sun 3/8

7:40 am-4:44 pm

1 stop13h 04m

$659

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Fri 1/30

6:15 am-6:40 am

1 stop19h 25m

London Heathrow

Tue 2/3

6:50 am-9:27 pm

2 stops19h 37m

$679

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Thu 2/5

3:03 pm-8:50 am

2 stops36h 47m

London City

Mon 2/9

7:15 pm-8:14 pm

2 stops29h 59m

$786

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Mon 7/6

10:15 am-10:00 am

1 stop18h 45m

London Gatwick

Fri 7/10

2:00 pm-2:20 pm

1 stop29h 20m

$1,083

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Mon 7/6

10:35 am-5:55 pm

2 stops26h 20m

London City

Fri 7/10

6:30 pm-11:28 pm

2 stops33h 58m

$1,357

HarrisburgLondon

MDT - LCY

MDTLCY

Harrisburg

Fri 4/24

3:11 pm-11:30 am

2 stops15h 19m

London City

Mon 4/27

7:00 am-6:51 pm

2 stops16h 51m

$3,232

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/17

Showing 1-10 of 12 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
oojoPrice 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 oojo to be most consistent on Cheapflights vs. oojo Users can find the same prices on Harrisburg-London flight deals on Cheapflights vs. oojo >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 oojo the most. oojo 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, July is the cheapest month in which you can book a flight from Harrisburg to London (average of $290). Flying from Harrisburg to London in June is currently the most expensive (average of $715). 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 January 18, 2026.
Peruse reviews from past customers who have flown with United Airlines, American Airlines, and British Airways 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
9,176 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,176 reviews
United Airlines
7.4
Good
9,176 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,159 reviews
United Airlines
7.4
Good
9,176 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
British Airways
6.7
Okay
7,689 reviews
United Airlines
7.4
Good
9,176 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 4 different airlines.

  • How long is the flight from Harrisburg to London?

    British Airways, United Airlines, and Lufthansa can get you from Harrisburg to London in just under 13h 47m. Your travel time can differ by up to 2h 39m. Airlines will cover a distance of 3601 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 ($634), and American Airlines ($693) offers the cheapest pricing from Harrisburg to London. These flights start at 29% 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 City or Harrisburg - London Gatwick 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, July is the cheapest month in which you can book a flight from Harrisburg to London (average of $290). Flying from Harrisburg to London in June is currently the most expensive (average of $715). 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
Ilford
Hounslow
Southend-on-Sea
Harrow
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
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Borehamwood
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Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton

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Top 4 airlines flying from Harrisburg to London

Discover the top 4 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 January 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$531Average$809FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$634Average$979FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$693Average$871FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$694Average$758FlexibilityNo cancel feeOn-time70%

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