HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$308+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LON
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
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

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 agosto 14, 2025.

Round-trip from

$632
(Delta)

One-way from

$308
(Trip.com)

Popular in

December

Cheapest in

October

Average price

$720
From Harrisburg to London (LON)
Search Deals
One-way flight from Harrisburg to London (LON)
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

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 agosto 14, 2025.

This Delta deal was found by Cheapflights users on 8/14. 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. 10/2211:44 amMDT - LHR
1 stop14h 01mDelta
mié. 10/298:55 amLHR - MDT
2 stops18h 13mDelta
Deal found 8/14$632
This Air France deal was found by Cheapflights users on 8/14. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/2312:25 pmMDT - LHR
1 stop14h 25mMultiple Airlines
mié. 12/36:30 amLHR - MDT
2 stops14h 39mMultiple Airlines
Deal found 8/14$633
This United Airlines deal was found by Cheapflights users on 8/14. 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.
dom. 11/235:34 pmMDT - LHR
2 stops32h 36mUnited Airlines
jue. 12/46:00 pmLHR - MDT
2 stops32h 10mUnited Airlines
Deal found 8/14$634
This United Airlines deal was found by Cheapflights users on 8/14. 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.
lun. 11/1710:35 amMDT - LHR
1 stop19h 15mUnited Airlines
jue. 12/47:30 amLHR - MDT
2 stops16h 24mUnited Airlines
Deal found 8/14$639
This KLM deal was found by Cheapflights users on 8/14. 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. 10/226:25 pmMDT - LHR
1 stop11h 45mKLM
mié. 10/298:55 amLHR - MDT
1 stop18h 13mKLM
Deal found 8/14$640
This United Airlines deal was found by Cheapflights users on 8/14. 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.
lun. 11/248:15 amMDT - LHR
2 stops17h 05mUnited Airlines
jue. 12/47:30 amLHR - MDT
2 stops16h 24mUnited Airlines
Deal found 8/14$643
This United Airlines deal was found by Cheapflights users on 8/14. 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.
lun. 11/1710:35 amMDT - LHR
1 stop19h 15mUnited Airlines
vie. 12/510:25 amLHR - MDT
1 stop15h 45mUnited Airlines
Deal found 8/14$651
This Delta deal was found by Cheapflights users on 8/13. 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.
dom. 9/286:23 pmMDT - LHR
1 stop11h 47mDelta
dom. 10/55:25 pmLHR - MDT
1 stop22h 34mDelta
Deal found 8/13$689
This Delta deal was found by Cheapflights users on 8/14. 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.
dom. 11/235:00 pmMDT - LHR
1 stop10h 45mDelta
dom. 12/71:00 pmLHR - MDT
1 stop14h 45mDelta
Deal found 8/14$690
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/144:57 pmMDT - LGW
2 stops32h 23mMultiple Airlines
sáb. 9/202:00 pmLGW - MDT
1 stop26h 27mMultiple Airlines
Deal found 8/13$691
This Delta deal was found by Cheapflights users on 8/14. 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.
dom. 9/712:33 pmMDT - LHR
2 stops19h 57mDelta
dom. 9/145:25 pmLHR - MDT
2 stops23h 15mDelta
Deal found 8/14$694
This United Airlines deal was found by Cheapflights users on 8/13. 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.
dom. 9/142:24 pmMDT - LCY
2 stops21h 01mMultiple Airlines
sáb. 9/209:20 amLCY - MDT
2 stops38h 38mMultiple Airlines
Deal found 8/13$808

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 agosto 14, 2025.
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

mié. 11/5

12:33 pm-8:45 am

1 stop15h 12m

London Heathrow

mié. 11/12

8:55 am-11:38 pm

2 stops19h 43m

$632

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

mié. 10/22

6:25 pm-11:10 am

1 stop11h 45m

London Heathrow

mar. 10/28

11:30 am-11:00 pm

2 stops15h 30m

$632

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

lun. 11/24

12:25 pm-7:50 am

1 stop14h 25m

London Heathrow

vie. 12/5

9:00 am-10:45 pm

2 stops18h 45m

$632

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

dom. 11/23

12:35 pm-8:45 am

1 stop15h 10m

London Heathrow

jue. 12/4

8:55 am-10:45 pm

2 stops18h 50m

$632

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

sáb. 1/3

12:21 pm-7:50 am

1 stop14h 29m

London Heathrow

lun. 1/12

9:00 am-11:40 pm

2 stops19h 40m

$632

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

dom. 1/4

6:00 am-7:50 am

1 stop20h 50m

London Heathrow

mar. 1/13

11:30 am-11:40 pm

2 stops17h 10m

$632

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

mié. 10/22

11:44 am-11:10 am

1 stop18h 26m

London Heathrow

mié. 10/29

8:55 am-11:08 pm

2 stops18h 13m

$632

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

mar. 11/4

12:33 pm-8:45 am

1 stop15h 12m

London Heathrow

jue. 11/13

11:30 am-11:38 pm

2 stops17h 08m

$632

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

lun. 1/5

12:25 pm-9:00 am

1 stop15h 35m

London Heathrow

mié. 1/14

9:00 am-11:40 pm

2 stops19h 40m

$632

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

dom. 9/14

4:57 pm-6:20 am

2 stops32h 23m

London Gatwick

sáb. 9/20

2:00 pm-11:27 am

1 stop26h 27m

$691

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 29 results
1
2
3

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, November is the cheapest month in which you can book a flight from Harrisburg to London (average of $661). Flying from Harrisburg to London 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 LON?

Find hourly flight availability from Harrisburg to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 14, 2025.

One of the essential ways to save on airfare from Harrisburg to London is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 45% on airfare.

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 agosto 14, 2025.
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
8,916 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,916 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,266 reviews
United Airlines
7.4
Good
8,916 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

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

    According to our current data, Delta ($646), American Airlines ($651), and United Airlines ($665) offers the cheapest pricing from Harrisburg to London. These flights start at 20% 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, November is the cheapest month in which you can book a flight from Harrisburg to London (average of $661). Flying from Harrisburg to London 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?

Book flights to London if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dartford
Dover
Orpington
Watford
Gatwick
Borehamwood
Aylesbury
Chelmsford
Southend-on-Sea
Folkestone
Chichester
Arundel
Eastbourne
Milton Keynes
Sutton

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 London

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
Newark to Gatwick flights
LaGuardia to Heathrow flights
John F Kennedy Intl to Gatwick flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Stansted flights
Newark to London City flights
LaGuardia to Gatwick flights
Dulles Intl to Heathrow flights
John F Kennedy Intl to Luton flights
Newark to Stansted flights
Newark to Luton flights
Philadelphia to Heathrow flights
Dulles Intl to Gatwick flights
Reagan-National to Heathrow flights
Dulles Intl to London City flights
John F Kennedy Intl to Edinburgh flights
Newark to Edinburgh flights
Reagan-National to Gatwick flights
Dulles Intl to Edinburgh flights
John F Kennedy Intl to Manchester flights
Dulles Intl to Stansted flights
Dulles Intl to Luton flights
LaGuardia to London City flights
Philadelphia to Gatwick flights
Pittsburgh to Heathrow flights
Philadelphia to London City flights
LaGuardia to Stansted flights
LaGuardia to Edinburgh flights
Philadelphia to Stansted flights
Philadelphia to Luton flights
Reagan-National to London City flights
Reagan-National to Edinburgh flights
Philadelphia to Edinburgh flights
LaGuardia to Luton flights
Newark to Manchester flights
Pittsburgh to Gatwick flights
LaGuardia to Manchester flights
John F Kennedy Intl to Southampton flights
Pittsburgh to London City flights
Dulles Intl to Manchester flights
Harrisburg to Heathrow flights
Reagan-National to Manchester flights
Harrisburg to London City flights
John F Kennedy Intl to Birmingham flights
John F Kennedy Intl to Leeds flights
Newark to Birmingham flights
Pittsburgh to Stansted flights
LaGuardia to Leeds flights

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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$646Average$695FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$651Average$854FlexibilityNo cancel feeOn-time71%
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.