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Cheap flights from Harrisburg to London from $399

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 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Harrisburg to London

Cheap round-trip flights

Delta Logo
12:33 pm - 8:45 amMDT-LHR
15h 12m1 stop
Delta Logo
11:30 am - 11:04 pmLHR-MDT
16h 34m2 stops
$524Delta
Find Deal
Mon, Nov 3 - Tue, Nov 11
Delta Logo
6:00 am - 7:15 amMDT-LHR
20h 15m1 stop
Delta Logo
6:30 am - 11:08 pmLHR-MDT
21h 38m2 stops
$525Delta
Find Deal
Tue, Oct 7 - Thu, Oct 16
Delta Logo
5:00 pm - 8:55 amMDT-LHR
10h 55m1 stop
Delta Logo
6:30 am - 11:00 pmLHR-MDT
21h 30m2 stops
$526Delta
Find Deal
Wed, Oct 15 - Wed, Oct 22
Delta Logo
11:44 am - 8:45 amMDT-LHR
16h 01m2 stops
Delta Logo
6:20 am - 11:14 pmLHR-MDT
21h 54m2 stops
$528Delta
Find Deal
Wed, Nov 5 - Wed, Nov 12
Delta Logo
11:44 am - 8:45 amMDT-LHR
16h 01m2 stops
Delta Logo
8:55 am - 11:14 pmLHR-MDT
19h 19m2 stops
$529Delta
Find Deal
Wed, Nov 5 - Wed, Nov 12
KLM Logo
6:25 pm - 1:30 pmMDT-LHR
14h 05m1 stop
KLM Logo
3:15 pm - 11:08 pmLHR-MDT
12h 53m1 stop
$532KLM
Find Deal
Wed, Oct 15 - Wed, Oct 22
KLM Logo
6:23 pm - 1:30 pmMDT-LHR
14h 07m1 stop
KLM Logo
5:25 pm - 5:30 pmLHR-MDT
29h 05m1 stop
$629KLM
Find Deal
Sun, Oct 5 - Sun, Oct 12
United Airlines Logo
6:15 am - 6:30 amMDT-LHR
19h 15m2 stops
United Airlines Logo
7:25 am - 9:29 amLHR-MDT
31h 04m2 stops
$637United Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 8
United Airlines Logo
6:15 am - 6:30 amMDT-LHR
19h 15m2 stops
United Airlines Logo
11:30 am - 9:29 amLHR-MDT
26h 59m2 stops
$641United Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 8
Multiple Airlines Logo
3:37 pm - 8:20 pmMDT-LHR
23h 43m3 stops
Multiple Airlines Logo
10:05 pm - 7:35 pmLHR-MDT
26h 30m2 stops
$1,482Multiple Airlines
Find Deal
Sun, Oct 5 - Sun, Oct 12

Delta flights from Harrisburg to London Heathrow Airport

Our best Delta deals on Harrisburg to London Heathrow Airport flight tickets
Delta
Nov 3
MDT12:33 pmHarrisburg
15h 12m
1 stop
LHR8:45 amLondon Heathrow
Nov 11
LHR11:30 amLondon Heathrow
16h 34m
2 stops
MDT11:04 pmHarrisburg
$524
Find similar
Delta
Oct 7
MDT6:00 amHarrisburg
20h 15m
1 stop
LHR7:15 amLondon Heathrow
Oct 16
LHR6:30 amLondon Heathrow
21h 38m
2 stops
MDT11:08 pmHarrisburg
$525
Find similar
Delta
Oct 15
MDT6:25 pmHarrisburg
14h 05m
1 stop
LHR1:30 pmLondon Heathrow
Oct 22
LHR8:40 amLondon Heathrow
19h 28m
2 stops
MDT11:08 pmHarrisburg
$526
Find similar

KLM flights from Harrisburg to London Heathrow Airport

Our best KLM deals on Harrisburg to London Heathrow Airport flight tickets
KLM
Oct 15
MDT6:25 pmHarrisburg
14h 05m
1 stop
LHR1:30 pmLondon Heathrow
Oct 22
LHR3:15 pmLondon Heathrow
12h 53m
1 stop
MDT11:08 pmHarrisburg
$532
Find similar
KLM
Oct 5
MDT6:23 pmHarrisburg
14h 07m
1 stop
LHR1:30 pmLondon Heathrow
Oct 12
LHR5:25 pmLondon Heathrow
29h 05m
1 stop
MDT5:30 pmHarrisburg
$629
Find similar
KLM
Oct 1
MDT6:23 pmHarrisburg
14h 07m
1 stop
LHR1:30 pmLondon Heathrow
Oct 8
LHR9:20 amLondon Heathrow
18h 48m
1 stop
MDT11:08 pmHarrisburg
$674
Find similar

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 September 17, 2025.
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

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 11/3

12:33 pm-8:45 am

1 stop15h 12m

London Heathrow

Tue 11/11

11:30 am-11:04 pm

2 stops16h 34m

$524

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Tue 10/7

6:00 am-7:15 am

1 stop20h 15m

London Heathrow

Thu 10/16

6:30 am-11:08 pm

2 stops21h 38m

$525

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 10/15

5:00 pm-8:55 am

1 stop10h 55m

London Heathrow

Wed 10/22

6:30 am-11:00 pm

2 stops21h 30m

$526

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 11/5

11:44 am-8:45 am

2 stops16h 01m

London Heathrow

Wed 11/12

6:20 am-11:14 pm

2 stops21h 54m

$528

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 11/5

11:44 am-8:45 am

2 stops16h 01m

London Heathrow

Wed 11/12

8:55 am-11:14 pm

2 stops19h 19m

$529

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 10/15

6:25 pm-1:30 pm

1 stop14h 05m

London Heathrow

Wed 10/22

3:15 pm-11:08 pm

1 stop12h 53m

$532

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 10/5

6:23 pm-1:30 pm

1 stop14h 07m

London Heathrow

Sun 10/12

5:25 pm-5:30 pm

1 stop29h 05m

$629

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 10/1

6:15 am-6:30 am

2 stops19h 15m

London Heathrow

Wed 10/8

7:25 am-9:29 am

2 stops31h 04m

$637

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 10/1

6:15 am-6:30 am

2 stops19h 15m

London Heathrow

Wed 10/8

11:30 am-9:29 am

2 stops26h 59m

$641

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 10/5

3:37 pm-8:20 pm

3 stops23h 43m

London Heathrow

Sun 10/12

10:05 pm-7:35 pm

2 stops26h 30m

$1,482

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 January is, on average, the cheapest month to fly to London Heathrow Airport from Harrisburg, with most prices found around $710. If you’re not able to fly to London Heathrow Airport in January, then February is your next best option. Flight prices from Harrisburg to London Heathrow Airport during February average around $735.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $712. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,156.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Harrisburg to London Heathrow Airport in the morning for as low as $741. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $976.

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

Direct flights

None
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 10h 55m, 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
7,961 reviews
Search Delta flights
American AirlinesPriceFrom $688Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $694Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
United AirlinesPriceFrom $725Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Dover
Luton
Slough
Milton Keynes
Hayes
Guildford
Dartford
Crawley
Stansted
Chelmsford
Salisbury
Brentwood
Ilford
Folkestone
Colchester
Swindon
Stratford-upon-Avon
Watford

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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