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Cheap flights from Harrisburg to London from $329

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 7/27. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Harrisburg to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:56 pm - 1:15 pm
MDT
-
LHR
17h 19m
1 stop
Multiple Airlines Logo
6:15 am - 4:08 pm
LHR
-
MDT
14h 53m
2 stops
$729Multiple Airlines
Tue, Aug 18 - Wed, Sep 2
Delta Logo
12:30 pm - 10:20 am
MDT
-
LHR
16h 50m
2 stops
Delta Logo
8:40 am - 11:40 pm
LHR
-
MDT
20h 00m
2 stops
$733Delta
Wed, Aug 26 - Tue, Sep 8
KLM Logo
2:56 pm - 1:15 pm
MDT
-
LHR
17h 19m
1 stop
KLM Logo
11:15 am - 11:40 pm
LHR
-
MDT
17h 25m
1 stop
$735KLM
Tue, Aug 18 - Wed, Sep 2
KLM Logo
12:30 pm - 7:10 am
MDT
-
LHR
13h 40m
1 stop
KLM Logo
9:20 am - 11:40 pm
LHR
-
MDT
19h 20m
1 stop
$736KLM
Tue, Aug 18 - Wed, Sep 2
Delta Logo
5:00 pm - 12:05 pm
MDT
-
LHR
14h 05m
2 stops
Delta Logo
1:25 pm - 11:40 pm
LHR
-
MDT
15h 15m
1 stop
$740Delta
Wed, Aug 26 - Tue, Sep 8
KLM Logo
2:56 pm - 11:20 am
MDT
-
LHR
15h 24m
1 stop
KLM Logo
6:30 am - 5:27 pm
LHR
-
MDT
15h 57m
2 stops
$860KLM
Mon, Sep 21 - Tue, Sep 29
Delta Logo
12:25 pm - 7:15 am
MDT
-
LHR
13h 50m
1 stop
Delta Logo
3:15 pm - 11:40 pm
LHR
-
MDT
13h 25m
1 stop
$866Delta
Wed, Aug 26 - Tue, Sep 8
Delta Logo
12:25 pm - 7:15 am
MDT
-
LHR
13h 50m
1 stop
Delta Logo
9:20 am - 11:40 pm
LHR
-
MDT
19h 20m
1 stop
$867Delta
Wed, Aug 26 - Tue, Sep 8
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
$883Lufthansa
Tue, Aug 18 - Wed, Sep 2
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
$884Lufthansa
Tue, Aug 18 - Wed, Sep 2

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United Airlines flights from Harrisburg to London Heathrow Airport

Our best United Airlines deals on Harrisburg to London Heathrow Airport flight tickets
United Airlines
Aug 26
MDT6:15 amHarrisburg
19h 40m
1 stop
LHR6:55 amLondon Heathrow
Sep 8
LHR6:50 amLondon Heathrow
16h 45m
2 stops
MDT6:35 pmHarrisburg
$890
United Airlines
Sep 12
MDT7:59 pmHarrisburg
29h 56m
1 stop
LHR6:55 amLondon Heathrow
Sep 18
LHR6:50 amLondon Heathrow
21h 35m
2 stops
MDT11:25 pmHarrisburg
$895
United Airlines
Aug 8
MDT7:59 pmHarrisburg
19h 41m
2 stops
LHR8:40 pmLondon Heathrow
Aug 18
LHR5:50 pmLondon Heathrow
28h 01m
2 stops
MDT4:51 pmHarrisburg
$907

British Airways flights from Harrisburg to London Heathrow Airport

Our best British Airways deals on Harrisburg to London Heathrow Airport flight tickets
British Airways
Sep 8
MDT12:11 pmHarrisburg
17h 09m
1 stop
LHR10:20 amLondon Heathrow
Sep 23
LHR6:15 amLondon Heathrow
19h 30m
2 stops
MDT8:45 pmHarrisburg
$886
British Airways
Sep 8
MDT12:11 pmHarrisburg
21h 44m
2 stops
LHR2:55 pmLondon Heathrow
Sep 23
LHR6:15 amLondon Heathrow
20h 27m
2 stops
MDT9:42 pmHarrisburg
$891
British Airways
Sep 8
MDT2:26 pmHarrisburg
11h 24m
1 stop
LHR6:50 amLondon Heathrow
Sep 23
LHR1:00 pmLondon Heathrow
15h 12m
1 stop
MDT11:12 pmHarrisburg
$894

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 April 29, 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

2:56 pm-1:15 pm

1 stop17h 19m

London Heathrow

Wed 9/2

6:15 am-4:08 pm

2 stops14h 53m

$729

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 8/26

12:30 pm-10:20 am

2 stops16h 50m

London Heathrow

Tue 9/8

8:40 am-11:40 pm

2 stops20h 00m

$733

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 8/18

2:56 pm-1:15 pm

1 stop17h 19m

London Heathrow

Wed 9/2

11:15 am-11:40 pm

1 stop17h 25m

$735

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 8/18

12:30 pm-7:10 am

1 stop13h 40m

London Heathrow

Wed 9/2

9:20 am-11:40 pm

1 stop19h 20m

$736

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 8/26

5:00 pm-12:05 pm

2 stops14h 05m

London Heathrow

Tue 9/8

1:25 pm-11:40 pm

1 stop15h 15m

$740

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 9/21

2:56 pm-11:20 am

1 stop15h 24m

London Heathrow

Tue 9/29

6:30 am-5:27 pm

2 stops15h 57m

$860
Quickest round-trip

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 8/26

12:25 pm-7:15 am

1 stop13h 50m

London Heathrow

Tue 9/8

3:15 pm-11:40 pm

1 stop13h 25m

$866

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 8/26

12:25 pm-7:15 am

1 stop13h 50m

London Heathrow

Tue 9/8

9:20 am-11:40 pm

1 stop19h 20m

$867

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

$883

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

$884

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 typical price of a round-trip flight between Harrisburg and London Heathrow Airport?

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

The month of April is, on average, the cheapest month to fly to London Heathrow Airport from Harrisburg, with most prices found around $0. If you’re not able to fly to London Heathrow Airport in April, then November is your next best option. Flight prices from Harrisburg to London Heathrow Airport during November average around $531.

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 51m

Direct flights

None
The fastest flight from Harrisburg to London Heathrow Airport takes 9h 51m
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

Frequently asked questions about flying from Harrisburg to London Heathrow Airport

  • 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 51m, 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
8,465 reviews
Search Delta flights
United AirlinesPriceFrom $634Free CancellationRating
7.4
9,680 reviews
Search United Airlines flights
American AirlinesPriceFrom $693Free CancellationRating
7.1
11,678 reviews
Search American Airlines flights

Traveling to a place near London?

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

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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