Cheap flights from Harrisburg to London from $435

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 10/1. 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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Cheap round-trip flights

 Logo
12:17 pm - 6:20 amMDT-LGW
37h 03m2 stops
 Logo
2:00 pm - 6:14 pmLGW-MDT
33h 14m1 stop
Sun, Sep 21 - Sun, Sep 28
 Logo
4:34 pm - 6:20 amMDT-LGW
32h 46m2 stops
 Logo
2:00 pm - 6:14 pmLGW-MDT
33h 14m1 stop
Fri, Sep 19 - Sun, Sep 28
United Airlines Logo
2:33 pm - 6:55 amMDT-LHR
11h 22m1 stop
United Airlines Logo
8:30 am - 9:04 pmLHR-MDT
16h 34m2 stops
$709United Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
United Airlines Logo
6:30 am - 9:35 amMDT-LHR
22h 05m2 stops
United Airlines Logo
11:30 am - 9:35 amLHR-MDT
26h 05m2 stops
$710United Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
Air France Logo
6:25 pm - 11:10 amMDT-LHR
11h 45m1 stop
Air France Logo
1:00 pm - 11:00 pmLHR-MDT
14h 00m1 stop
$711Air France
Find Deal
Wed, Oct 22 - Wed, Oct 29
United Airlines Logo
2:33 pm - 6:55 amMDT-LHR
11h 22m1 stop
United Airlines Logo
12:05 pm - 6:55 pmLHR-MDT
10h 50m1 stop
$722United Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
British Airways Logo
2:55 pm - 7:50 amMDT-LHR
11h 55m1 stop
British Airways Logo
1:10 pm - 6:59 pmLHR-MDT
10h 49m1 stop
$749British Airways
Find Deal
Mon, Nov 3 - Tue, Nov 11
American Airlines Logo
1:52 pm - 6:35 amMDT-LHR
11h 43m1 stop
American Airlines Logo
1:10 pm - 9:57 pmLHR-MDT
13h 47m1 stop
$750American Airlines
Find Deal
Sun, Jan 4 - Tue, Jan 13
American Airlines Logo
11:23 am - 6:35 amMDT-LHR
14h 12m1 stop
American Airlines Logo
10:15 am - 7:06 pmLHR-MDT
13h 51m1 stop
$751American Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
British Airways Logo
2:58 pm - 4:35 pmMDT-LHR
20h 37m2 stops
British Airways Logo
10:30 am - 7:06 pmLHR-MDT
37h 36m2 stops
$790British Airways
Find Deal
Mon, Nov 3 - Tue, Nov 11

United Airlines flights from Harrisburg to London

Our best United Airlines deals on Harrisburg to London flight tickets
United Airlines
Oct 22
MDT2:33 pmHarrisburg
11h 22m
1 stop
LHR6:55 amLondon Heathrow
Oct 29
LHR8:30 amLondon Heathrow
16h 34m
2 stops
MDT9:04 pmHarrisburg
United Airlines
Oct 22
MDT6:30 amHarrisburg
22h 05m
2 stops
LHR9:35 amLondon Heathrow
Oct 29
LHR11:30 amLondon Heathrow
26h 05m
2 stops
MDT9:35 amHarrisburg
United Airlines
Oct 22
MDT2:33 pmHarrisburg
11h 22m
1 stop
LHR6:55 amLondon Heathrow
Oct 29
LHR12:05 pmLondon Heathrow
10h 50m
1 stop
MDT6:55 pmHarrisburg

American Airlines flights from Harrisburg to London

Our best American Airlines deals on Harrisburg to London flight tickets
American Airlines
Jan 4
MDT1:52 pmHarrisburg
11h 43m
1 stop
LHR6:35 amLondon Heathrow
Jan 13
LHR1:10 pmLondon Heathrow
13h 47m
1 stop
MDT9:57 pmHarrisburg
American Airlines
Nov 5
MDT11:23 amHarrisburg
14h 12m
1 stop
LHR6:35 amLondon Heathrow
Nov 12
LHR10:15 amLondon Heathrow
13h 51m
1 stop
MDT7:06 pmHarrisburg
American Airlines
Sep 19
MDT4:45 pmHarrisburg
11h 20m
1 stop
LHR9:05 amLondon Heathrow
Sep 24
LHR10:05 amLondon Heathrow
10h 41m
1 stop
MDT3:46 pmHarrisburg

momondo 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, momondo users made 832,500 searches. Data last updated August 28, 2025.
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

Price

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Sun 9/21

12:17 pm-6:20 am

2 stops37h 03m

London Gatwick

Sun 9/28

2:00 pm-6:14 pm

1 stop33h 14m

$701

HarrisburgLondon

MDT - LGW

MDTLGW

Harrisburg

Fri 9/19

4:34 pm-6:20 am

2 stops32h 46m

London Gatwick

Sun 9/28

2:00 pm-6:14 pm

1 stop33h 14m

$704

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 10/22

2:33 pm-6:55 am

1 stop11h 22m

London Heathrow

Wed 10/29

8:30 am-9:04 pm

2 stops16h 34m

$709

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 10/22

6:30 am-9:35 am

2 stops22h 05m

London Heathrow

Wed 10/29

11:30 am-9:35 am

2 stops26h 05m

$710

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 10/22

6:25 pm-11:10 am

1 stop11h 45m

London Heathrow

Wed 10/29

1:00 pm-11:00 pm

1 stop14h 00m

$711

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 10/22

2:33 pm-6:55 am

1 stop11h 22m

London Heathrow

Wed 10/29

12:05 pm-6:55 pm

1 stop10h 50m

$722

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 11/3

2:55 pm-7:50 am

1 stop11h 55m

London Heathrow

Tue 11/11

1:10 pm-6:59 pm

1 stop10h 49m

$749

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Sun 1/4

1:52 pm-6:35 am

1 stop11h 43m

London Heathrow

Tue 1/13

1:10 pm-9:57 pm

1 stop13h 47m

$750

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Wed 11/5

11:23 am-6:35 am

1 stop14h 12m

London Heathrow

Wed 11/12

10:15 am-7:06 pm

1 stop13h 51m

$751

HarrisburgLondon

MDT - LHR

MDTLHR

Harrisburg

Mon 11/3

2:58 pm-4:35 pm

2 stops20h 37m

London Heathrow

Tue 11/11

10:30 am-7:06 pm

2 stops37h 36m

$790

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

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?

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

The cheapest day to depart from Harrisburg to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $680. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $980. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

Flying to London from Harrisburg at noon is the least expensive time of day to depart. momondo users have found prices as low as $716 when looking at flights departing at noon. Flights to London are more costly in the morning, with an average ticket price of $1,290. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Harrisburg to London

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

Cheap Harrisburg to London (MDT to LON) flight deals and tips

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

Direct flights

None
There are no direct flights from Harrisburg to London. There are no popular flight routes from Harrisburg to London.
  • How far is Harrisburg to London by plane?

    There are 3595.2 mi between Harrisburg and London. By plane, this route typically takes 9h 04m.

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

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

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

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

    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.

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

    The required travel and health documents for your London 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. 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?

Best airlines flying from Harrisburg to London

Compare and see reviews for airlines that fly from Harrisburg to London with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $646Free CancellationRating
7.9
7,977 reviews
Search Delta flights
American AirlinesPriceFrom $651Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $665Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
British AirwaysPriceFrom $694Free CancellationRating
6.7
7,316 reviews
Search British Airways flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Luton
Dover
Slough
Milton Keynes
Guildford
Dartford
Crawley
Stansted
Hayes
Chelmsford
Brentwood
Ilford
Folkestone
Colchester
Watford
Canterbury
Richmond
Wembley

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Harrisburg to London for you.

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

Yes. momondo allows you to filter the results for Harrisburg to London flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Harrisburg.

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

If you are not ready to book a flight from Harrisburg to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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1 adult
Tue 9/2
Tue 9/9

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London