HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LON
May 21 — May 281
Thu 5/21
Thu 5/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Harrisburg to London 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 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 April 21, 2026.

This Delta deal was found by Cheapflights users on 4/20. 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 5/54:19 pm
MDT
-
LHR
1 stop9h 51m
Delta
Tue 5/126:30 am
LHR
-
MDT
2 stops21h 20m
Delta
Deal found 4/20$729
This Delta deal was found by Cheapflights users on 4/21. 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 5/512:00 pm
MDT
-
LHR
2 stops14h 10m
Delta
Wed 5/206:15 am
LHR
-
MDT
2 stops16h 26m
Delta
Deal found 4/21$734
This Delta deal was found by Cheapflights users on 4/20. 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 8/1912:30 pm
MDT
-
LHR
2 stops17h 10m
Delta
Mon 8/2411:30 am
LHR
-
MDT
2 stops16h 14m
Delta
Deal found 4/20$735
This KLM deal was found by Cheapflights users on 4/20. 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.
Tue 5/56:00 am
MDT
-
LHR
1 stop19h 25m
KLM
Tue 5/129:20 am
LHR
-
MDT
1 stop19h 31m
KLM
Deal found 4/20$736
This KLM deal was found by Cheapflights users on 4/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:00 pm
MDT
-
LHR
1 stop20h 15m
KLM
Wed 5/2011:15 am
LHR
-
MDT
1 stop17h 36m
KLM
Deal found 4/17$737
This Delta deal was found by Cheapflights users on 4/21. 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 8/202:56 pm
MDT
-
LHR
2 stops17h 09m
Delta
Tue 8/251:25 pm
LHR
-
MDT
1 stop15h 15m
Delta
Deal found 4/21$740
This Delta deal was found by Cheapflights users on 4/20. 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 9/812:30 pm
MDT
-
LHR
2 stops19h 35m
Delta
Wed 9/233:15 pm
LHR
-
MDT
1 stop13h 25m
Delta
Deal found 4/20$741
This KLM deal was found by Cheapflights users on 4/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:25 pm
MDT
-
LHR
1 stop13h 50m
Multiple Airlines
Wed 9/26:15 am
LHR
-
MDT
2 stops14h 53m
Multiple Airlines
Deal found 4/16$746
This Delta deal was found by Cheapflights users on 4/20. 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 5/56:19 pm
MDT
-
LGW
2 stops16h 41m
Delta
Thu 5/1410:25 am
LGW
-
MDT
2 stops18h 26m
Delta
Deal found 4/20$749
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:30 pm
MDT
-
LHR
2 stops15h 20m
Delta
Wed 9/28:55 am
LHR
-
MDT
2 stops19h 45m
Delta
Deal found 4/16$750
This KLM deal was found by Cheapflights users on 4/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:25 pm
MDT
-
LHR
1 stop13h 50m
KLM
Wed 9/211:15 am
LHR
-
MDT
1 stop17h 25m
KLM
Deal found 4/16$752
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:30 pm
MDT
-
LHR
2 stops16h 50m
Delta
Tue 9/81:25 pm
LHR
-
MDT
1 stop15h 15m
Delta
Deal found 4/16$757

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 April 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$729
(Delta)

One-way from

$329
(oojo)

Popular in

July

Cheapest in

January

Average price

$739
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. 14% potential increase in price ($122 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 April 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 April 21, 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
Quickest round-trip

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 5/5

12:00 pm-6:25 am

1 stop13h 25m

London Heathrow

Wed 5/20

6:30 am-5:41 pm

2 stops16h 11m

$729

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 9/8

12:25 pm-1:15 pm

1 stop19h 50m

London Heathrow

Wed 9/23

8:40 am-11:40 pm

2 stops20h 00m

$729

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 8/18

12:25 pm-7:10 am

2 stops13h 45m

London Heathrow

Wed 9/2

8:40 am-10:44 pm

2 stops19h 04m

$734

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 8/19

12:30 pm-11:20 am

2 stops17h 50m

London Heathrow

Sun 8/23

6:15 am-5:08 pm

2 stops15h 53m

$735

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 5/5

12:00 pm-1:15 pm

1 stop20h 15m

London Heathrow

Wed 5/20

11:15 am-11:51 pm

1 stop17h 36m

$737

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 9/8

12:25 pm-1:15 pm

1 stop19h 50m

London Heathrow

Wed 9/23

1:25 pm-11:40 pm

1 stop15h 15m

$737

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Tue 5/5

12:00 pm-4:00 pm

2 stops23h 00m

London Gatwick

Wed 5/20

10:25 am-11:51 pm

2 stops18h 26m

$749

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Thu 8/20

12:25 pm-9:25 am

2 stops16h 00m

London Gatwick

Mon 8/24

10:25 am-10:44 pm

2 stops17h 19m

$798

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Thu 8/20

12:25 pm-9:25 am

2 stops16h 00m

London Gatwick

Tue 8/25

10:35 am-10:44 pm

2 stops17h 09m

$798

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Wed 8/19

12:30 pm-9:25 am

2 stops15h 55m

London Gatwick

Sun 8/23

10:25 am-11:40 pm

2 stops18h 15m

$838

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 40 resultsSorted by cheapest first
1
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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 April 21, 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
9,613 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

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
9,613 reviews
United Airlines
7.4
Good
9,613 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

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
11,645 reviews
United Airlines
7.4
Good
9,613 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

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?

    Delta and Lufthansa can get you from Harrisburg to London in just under 13h 25m. Your travel time can differ by up to 8h 37m. 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 ($634), and American Airlines ($693) offers the cheapest pricing from Harrisburg to London. These flights start at 28% 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, 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
Ilford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton
Stansted

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.

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 April 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$531Average$809FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$634Average$973FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$693Average$879FlexibilityNo cancel feeOn-time71%

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.
Site
©2026 Cheapflights