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Cheap flights from Harrisburg to London from $315

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Harrisburg to London departing on 7/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Harrisburg to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
7:59 pm - 3:40 pm
MDT
-
LHR
14h 41m
2 stops
Lufthansa Logo
10:50 am - 11:25 pm
LHR
-
MDT
17h 35m
2 stops
$734Lufthansa
Tue, Aug 18 - Wed, Sep 2
Lufthansa Logo
7:59 pm - 7:40 pm
MDT
-
LHR
18h 41m
2 stops
Lufthansa Logo
9:00 am - 11:25 pm
LHR
-
MDT
19h 25m
2 stops
$735Lufthansa
Wed, Aug 26 - Tue, Sep 8
Lufthansa Logo
7:59 pm - 6:25 pm
MDT
-
LHR
17h 26m
2 stops
Lufthansa Logo
10:50 am - 11:25 pm
LHR
-
MDT
17h 35m
2 stops
$736Lufthansa
Tue, Aug 18 - Wed, Sep 2
United Airlines Logo
6:15 am - 10:40 am
MDT
-
LHR
23h 25m
1 stop
United Airlines Logo
6:50 am - 7:30 pm
LHR
-
MDT
17h 40m
2 stops
$767United Airlines
Tue, Sep 1 - Thu, Sep 10
United Airlines Logo
7:59 pm - 6:55 am
MDT
-
LHR
29h 56m
1 stop
United Airlines Logo
7:25 am - 7:30 pm
LHR
-
MDT
17h 05m
2 stops
$768United Airlines
Mon, Aug 31 - Wed, Sep 9
United Airlines Logo
6:15 am - 6:30 am
MDT
-
LHR
19h 15m
2 stops
United Airlines Logo
7:25 am - 7:30 pm
LHR
-
MDT
17h 05m
2 stops
$771United Airlines
Tue, Sep 1 - Wed, Sep 9
United Airlines Logo
7:59 pm - 9:35 pm
MDT
-
LHR
20h 36m
2 stops
United Airlines Logo
7:25 am - 9:36 am
LHR
-
MDT
31h 11m
2 stops
$773United Airlines
Mon, Aug 31 - Wed, Sep 9
Delta Logo
12:25 pm - 1:15 pm
MDT
-
LHR
19h 50m
1 stop
Delta Logo
8:40 am - 11:40 pm
LHR
-
MDT
20h 00m
2 stops
$776Delta
Tue, Sep 8 - Wed, Sep 23
United Airlines Logo
5:53 pm - 11:55 am
MDT
-
LHR
13h 02m
1 stop
United Airlines Logo
9:30 am - 11:25 pm
LHR
-
MDT
18h 55m
2 stops
$779United Airlines
Tue, Aug 18 - Wed, Sep 2
United Airlines Logo
10:30 am - 6:55 am
MDT
-
LHR
15h 25m
1 stop
United Airlines Logo
7:30 am - 6:35 pm
LHR
-
MDT
16h 05m
2 stops
$780United Airlines
Tue, Sep 8 - Wed, Sep 23

Lufthansa flights from Harrisburg to London Heathrow Airport

Our best Lufthansa deals on Harrisburg to London Heathrow Airport flight tickets
Lufthansa
Aug 18
MDT7:59 pmHarrisburg
14h 41m
2 stops
LHR3:40 pmLondon Heathrow
Sep 2
LHR10:50 amLondon Heathrow
17h 35m
2 stops
MDT11:25 pmHarrisburg
$734
Lufthansa
Aug 26
MDT7:59 pmHarrisburg
18h 41m
2 stops
LHR7:40 pmLondon Heathrow
Sep 8
LHR9:00 amLondon Heathrow
19h 25m
2 stops
MDT11:25 pmHarrisburg
$735
Lufthansa
Aug 18
MDT7:59 pmHarrisburg
17h 26m
2 stops
LHR6:25 pmLondon Heathrow
Sep 2
LHR10:50 amLondon Heathrow
17h 35m
2 stops
MDT11:25 pmHarrisburg
$736

United Airlines flights from Harrisburg to London Heathrow Airport

Our best United Airlines deals on Harrisburg to London Heathrow Airport flight tickets
United Airlines
Sep 1
MDT6:15 amHarrisburg
23h 25m
1 stop
LHR10:40 amLondon Heathrow
Sep 10
LHR6:50 amLondon Heathrow
17h 40m
2 stops
MDT7:30 pmHarrisburg
$767
United Airlines
Aug 31
MDT7:59 pmHarrisburg
29h 56m
1 stop
LHR6:55 amLondon Heathrow
Sep 9
LHR7:25 amLondon Heathrow
17h 05m
2 stops
MDT7:30 pmHarrisburg
$768
United Airlines
Sep 1
MDT6:15 amHarrisburg
19h 15m
2 stops
LHR6:30 amLondon Heathrow
Sep 9
LHR7:25 amLondon Heathrow
17h 05m
2 stops
MDT7:30 pmHarrisburg
$771

momondo Fare Finder

 
Customize your flight search to find flights from Harrisburg to London Heathrow Airport 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, momondo users made 832,500 searches. Data last updated March 17, 2026.
Use the filters below to find and compare flights from Harrisburg to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 8/18

7:59 pm-3:40 pm

2 stops14h 41m

London Heathrow

Wed 9/2

10:50 am-11:25 pm

2 stops17h 35m

$734

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 8/26

7:59 pm-7:40 pm

2 stops18h 41m

London Heathrow

Tue 9/8

9:00 am-11:25 pm

2 stops19h 25m

$735

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 8/18

7:59 pm-6:25 pm

2 stops17h 26m

London Heathrow

Wed 9/2

10:50 am-11:25 pm

2 stops17h 35m

$736

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 9/1

6:15 am-10:40 am

1 stop23h 25m

London Heathrow

Thu 9/10

6:50 am-7:30 pm

2 stops17h 40m

$767

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 8/31

7:59 pm-6:55 am

1 stop29h 56m

London Heathrow

Wed 9/9

7:25 am-7:30 pm

2 stops17h 05m

$768

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 9/1

6:15 am-6:30 am

2 stops19h 15m

London Heathrow

Wed 9/9

7:25 am-7:30 pm

2 stops17h 05m

$771

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 8/31

7:59 pm-9:35 pm

2 stops20h 36m

London Heathrow

Wed 9/9

7:25 am-9:36 am

2 stops31h 11m

$773

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

$776

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 8/18

5:53 pm-11:55 am

1 stop13h 02m

London Heathrow

Wed 9/2

9:30 am-11:25 pm

2 stops18h 55m

$779
Quickest round-trip

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 9/8

10:30 am-6:55 am

1 stop15h 25m

London Heathrow

Wed 9/23

7:30 am-6:35 pm

2 stops16h 05m

$780

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Harrisburg to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London Heathrow Airport?

The month of November is, on average, the cheapest month to fly to London Heathrow Airport from Harrisburg, with most prices found around $531. If you’re not able to fly to London Heathrow Airport in November, then October is your next best option. Flight prices from Harrisburg to London Heathrow Airport during October average around $749.

When to book flights from Harrisburg to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Harrisburg to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Harrisburg to London Heathrow Airport (MDT to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harrisburg to London Heathrow Airport

Fastest flight time

9h 41m

Direct flights

None
The fastest flight from Harrisburg to London Heathrow Airport takes 9h 41m
There are no direct flights from Harrisburg to London Heathrow Airport. There are no popular flight routes from Harrisburg to London Heathrow Airport.
Search flight deals

  • How far is Harrisburg to London Heathrow by plane?

    A flight from Harrisburg to London Heathrow will travel around 3582.5 mi. Flights usually cover this in 9h 41m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Harrisburg Airport to London Heathrow Airport?

    Prices for flights from Harrisburg Airport to London Heathrow Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Harrisburg Airport to London Heathrow Airport?

  • How old do you have to be to fly from Harrisburg Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Harrisburg Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Harrisburg to London Heathrow Airport?

Best airlines flying from Harrisburg to London Heathrow Airport

Compare and see reviews for airlines that fly from Harrisburg to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $531Free CancellationRating
7.9
8,288 reviews
Search Delta flights
United AirlinesPriceFrom $634Free CancellationRating
7.4
9,432 reviews
Search United Airlines flights
American AirlinesPriceFrom $693Free CancellationRating
7.1
11,467 reviews
Search American Airlines flights
British AirwaysPriceFrom $694Free CancellationRating
6.7
7,799 reviews
Search British Airways flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Crawley
Stratford-upon-Avon
Wembley
Hayes
Dartford
Croydon
Harrow
Watford
Brentwood
Guildford
Stansted
Cobham
Folkestone
Romford

Why use momondo?

Why should I use momondo to find a flight deal from Harrisburg to London?

Finding the right flight to London from Harrisburg is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from Harrisburg to London with flexible booking policies on momondo?

Flights from Harrisburg to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Harrisburg to London?

Once all potential Harrisburg to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Harrisburg to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Harrisburg to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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