$359+ Cheap flights from Harrisburg (MDT) to London (LON)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — LON
Oct 23 — Oct 301
Round-trip
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
Best
Last-minute
One-way
Cheapest flights from Harrisburg to LondonExplore 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 September 23, 2026.
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 September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:39 pm -
1 stop13h 21m
Wed 12/911:05 am -
2 stops34h 53m
Deal found 9/20![United Airlines logo]()
$736
This Delta deal was found by Cheapflights users on 9/22. 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 10/2011:44 am -
1 stop14h 31m
Wed 11/116:30 am -
2 stops14h 48m
Deal found 9/22![Delta logo]()
$737
This Delta deal was found by Cheapflights users on 9/21. 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.
Wed 11/1112:09 pm -
2 stops13h 16m
Tue 11/1711:30 am -
2 stops17h 20m
Deal found 9/21![Delta logo]()
$741
This Delta deal was found by Cheapflights users on 9/22. 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 10/2011:44 am -
1 stop14h 31m
Tue 10/274:00 pm -
1 stop22h 59m
Deal found 9/22![Delta logo]()
$744
This United Airlines deal was found by Cheapflights users on 9/19. 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 9/232:52 pm -
2 stops14h 23m
Fri 9/259:30 am -
2 stops33h 29m
Deal found 9/19![United Airlines logo]()
$747
This Delta deal was found by Cheapflights users on 9/22. 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 10/135:10 pm -
2 stops14h 55m
Tue 10/206:35 pm -
2 stops21h 58m
Deal found 9/22![Delta logo]()
$748
This United Airlines deal was found by Cheapflights users on 9/22. 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 9/255:54 pm -
1 stop33h 36m
Mon 9/286:50 am -
2 stops15h 02m
Deal found 9/22![United Airlines logo]()
$750
This KLM deal was found by Cheapflights users on 9/22. 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 10/2012:13 pm -
2 stops14h 27m
Thu 11/1211:30 am -
2 stops17h 20m
Deal found 9/22![Multiple Airlines logo]()
$767
This KLM deal was found by Cheapflights users on 9/22. 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 10/2012:13 pm -
2 stops14h 27m
Fri 11/136:30 am -
2 stops16h 07m
Deal found 9/22![KLM logo]()
$768
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:13 pm -
2 stops15h 37m
Wed 11/411:10 am -
2 stops17h 34m
Deal found 9/21![United Airlines logo]()
$775
Best flights from Harrisburg to LondonDiscover carefully curated flight deals from Harrisburg to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from Harrisburg to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:39 pm -
1 stop13h 21m
Wed 12/911:05 am -
2 stops34h 53m
Deal found 9/18![United Airlines logo]()
$737
This Delta deal was found by Cheapflights users on 9/21. 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.
Wed 11/1112:09 pm -
2 stops13h 16m
Tue 11/1711:30 am -
2 stops17h 20m
Deal found 9/21![Delta logo]()
$741
This Delta deal was found by Cheapflights users on 9/22. 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 10/136:13 am -
1 stop19h 57m
Tue 10/206:35 pm -
2 stops21h 58m
Deal found 9/22![Delta logo]()
$748
This Delta deal was found by Cheapflights users on 9/21. 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 11/1212:30 pm -
1 stop14h 20m
Wed 11/1812:40 pm -
1 stop16h 10m
Deal found 9/21![Delta logo]()
$794
This Delta deal was found by Cheapflights users on 9/21. 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.
Fri 10/3012:13 pm -
2 stops15h 42m
Wed 11/48:10 pm -
2 stops20h 23m
Deal found 9/21![Delta logo]()
$798
This Delta deal was found by Cheapflights users on 9/19. 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 1/106:25 pm -
1 stop12h 15m
Mon 1/1810:50 am -
1 stop17h 48m
Deal found 9/19![Delta logo]()
$837
This Delta deal was found by Cheapflights users on 9/20. 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.
Sat 1/96:10 am -
1 stop20h 35m
Sat 1/166:30 am -
2 stops21h 16m
Deal found 9/20![Delta logo]()
$848
Last-minute flights from Harrisburg to LondonDiscover last-minute flight deals from Harrisburg to London. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Harrisburg to London. Data last updated September 23, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/19. 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 9/232:52 pm -
2 stops14h 23m
Fri 9/259:30 am -
2 stops33h 29m
Deal found 9/19![United Airlines logo]()
$747
This United Airlines deal was found by Cheapflights users on 9/22. 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 9/255:54 pm -
1 stop33h 36m
Mon 9/286:50 am -
2 stops15h 02m
Deal found 9/22![United Airlines logo]()
$750
This Delta deal was found by Cheapflights users on 9/22. 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 10/135:10 pm -
2 stops14h 55m
Tue 10/206:35 pm -
2 stops21h 58m
Deal found 9/22![Delta logo]()
$748
This Delta deal was found by Cheapflights users on 9/22. 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 10/2011:44 am -
1 stop14h 31m
Wed 11/116:30 am -
2 stops14h 48m
Deal found 9/22![Delta logo]()
$737
This Delta deal was found by Cheapflights users on 9/22. 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 10/2011:44 am -
1 stop14h 31m
Tue 10/274:00 pm -
1 stop22h 59m
Deal found 9/22![Delta logo]()
$744
This KLM deal was found by Cheapflights users on 9/22. 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 10/2012:13 pm -
2 stops14h 27m
Thu 11/1211:30 am -
2 stops17h 20m
Deal found 9/22![Multiple Airlines logo]()
$767
This KLM deal was found by Cheapflights users on 9/22. 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 10/2012:13 pm -
2 stops14h 27m
Fri 11/136:30 am -
2 stops16h 07m
Deal found 9/22![KLM logo]()
$768
This Delta deal was found by Cheapflights users on 9/22. 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 10/2211:44 am -
1 stop18h 36m
Thu 10/298:55 am -
2 stops18h 03m
Deal found 9/22![Delta logo]()
$787
This Delta deal was found by Cheapflights users on 9/21. 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 10/2912:13 pm -
1 stop15h 32m
Fri 11/611:45 am -
2 stops16h 13m
Deal found 9/21![Delta logo]()
$786
This Delta deal was found by Cheapflights users on 9/21. 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.
Fri 10/3012:13 pm -
2 stops15h 42m
Thu 11/511:45 am -
2 stops16h 13m
Deal found 9/21![Delta logo]()
$791
One-way flights from Harrisburg to LondonSearch for one-way flight options from Harrisburg to London. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Harrisburg to London. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1410:35 am -
1 stop15h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/285:35 pm -
2 stops32h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![United Airlines logo]()
$580
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 September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $736 (United Airlines) |
One-way from | $359 (United Airlines) |
Popular in | December |
Cheapest in | November |
Average price | $955 |
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 7,457,451 searches. Data last updated September 23, 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
Cheapest round-trip
Quickest round-trip
HarrisburgLondon
MDT Harrisburg - LHR London Heathrow
MDTLHR
Harrisburg
Mon 12/14
10:35 am-6:40 am
1 stop15h 05m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$359
HarrisburgLondon
MDT Harrisburg - LHR London Heathrow
MDTLHR
Harrisburg
Mon 12/28
6:20 am-6:40 am
1 stop19h 20m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$359
HarrisburgLondon
MDT Harrisburg - LHR London Heathrow
MDTLHR
Harrisburg
Mon 12/7
5:39 pm-12:00 pm
1 stop13h 21m
London Heathrow
Wed 12/9
11:05 am-4:58 pm
2 stops34h 53m
$737
HarrisburgLondon
MDT Harrisburg - LHR London Heathrow
MDTLHR
Harrisburg
Wed 11/11
12:09 pm-6:25 am
2 stops13h 16m
London Heathrow
Tue 11/17
11:30 am-11:50 pm
2 stops17h 20m
$741
HarrisburgLondon
MDT Harrisburg - LHR London Heathrow
MDTLHR
Harrisburg
Tue 10/13
6:13 am-7:10 am
1 stop19h 57m
London Heathrow
Tue 10/20
6:35 pm-11:33 am
2 stops21h 58m
$748
HarrisburgLondon
MDT Harrisburg - LHR London Heathrow
MDTLHR
Harrisburg
Thu 11/12
12:30 pm-7:50 am
1 stop14h 20m
London Heathrow
Wed 11/18
12:40 pm-11:50 pm
1 stop16h 10m
$794
HarrisburgLondon
MDT Harrisburg - LHR London Heathrow
MDTLHR
Harrisburg
Fri 10/30
12:13 pm-7:55 am
2 stops15h 42m
London Heathrow
Wed 11/4
8:10 pm-11:33 am
2 stops20h 23m
$798
HarrisburgLondon
MDT Harrisburg - LHR London Heathrow
MDTLHR
Harrisburg
Sun 1/10
6:25 pm-11:40 am
1 stop12h 15m
London Heathrow
Mon 1/18
10:50 am-11:38 pm
1 stop17h 48m
$837
HarrisburgLondon
MDT Harrisburg - LHR London Heathrow
MDTLHR
Harrisburg
Sat 1/9
6:10 am-7:45 am
1 stop20h 35m
London Heathrow
Sat 1/16
6:30 am-10:46 pm
2 stops21h 16m
$848
Sorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
MDT-LON
MDT-LHR
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
MDT-LON
MDT-LHR
What is the cheapest month to book a flight from Harrisburg to London?
Currently, April is the cheapest month in which you can book a flight from Harrisburg to London (average of $739). Flying from Harrisburg to London in June is currently the most expensive (average of $1,168). 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.
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 September 23, 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.
Entertainment
7.1
Food
6.7
Overall
7.4
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Entertainment
7.1
Food
6.7
Overall
7.4
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Entertainment
7.1
Food
6.7
Overall
7.4
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
Traveling to a place near London?
Book flights to London if you plan to visit one of these locationsIlford
Dorking
Gatwick
Hounslow
Harrow
Wembley
Southend-on-Sea
Basingstoke
Watford
Dartford
Winchester
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow
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
Complete your trip
Flights by cabin class
London flight routes
Other flight options
Popular flights
Top destinations
Alternative routes for Harrisburg to London
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to London by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Harrisburg to London by cabin class
Find flights from Harrisburg to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to London
Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Harrisburg and London flights
Browse other Harrisburg and London flight options. Last updated on September 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Harrisburg to London flights
Consider these flights traveling from Harrisburg to London.
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 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$620 | Average$973 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$659 | Average$872 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$789 | Average$954 | FlexibilityNo cancel fee | On-time71% |