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Cheap flights from Williamsport to London from $1,346

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Williamsport to London departing on 3/30. 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 Williamsport to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:50 pm - 7:45 am
IPT
-
LHR
11h 55m1 stop
Multiple Airlines Logo
12:35 pm - 6:50 pm
LHR
-
IPT
11h 15m1 stop
$1,346Multiple Airlines
Mon, Mar 30 - Fri, Apr 3

momondo Fare Finder

 
Customize your flight search to find flights from Williamsport 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 December 28, 2025.
Use the filters below to find and compare flights from Williamsport to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

WilliamsportLondon

IPT - LHR

IPTLHR

Williamsport Lycoming County

Mon 3/30

2:50 pm-7:45 am

1 stop11h 55m

London Heathrow

Fri 4/3

12:35 pm-6:50 pm

1 stop11h 15m

$1,346

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to London from

How to get the cheapest flight ticket from Williamsport 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 airlines fly to London Heathrow Airport?

United Airlines, American Airlines and British Airways are the top three most popular airlines that fly to London Heathrow Airport from Williamsport according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 4 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Williamsport to London Heathrow Airport

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

Cheap Williamsport to London Heathrow Airport (IPT to LHR) flight deals and tips

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

Fastest flight time

10h 30m

Direct flights

None
The fastest flight from Williamsport to London Heathrow Airport takes 10h 30m
There are no direct flights from Williamsport to London Heathrow Airport. There are no popular flight routes from Williamsport to London Heathrow Airport.
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  • How far is Williamsport Lycoming County to London Heathrow by plane?

    The distance between Williamsport Lycoming County and London Heathrow is about 3544.8 mi. Typically, this will take 10h 30m by plane in normal conditions.

  • When did momondo last update prices for flights from Williamsport Lycoming County Airport to London Heathrow Airport?

    Prices for flights from Williamsport Lycoming County Airport to London Heathrow Airport are updated daily.

  • How old do you have to be to fly from Williamsport Lycoming County Airport to London Heathrow Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Williamsport Lycoming County Airport to London Heathrow Airport.

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

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near London?

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

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Williamsport to London. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Williamsport to London.

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

Price alerts on flights to London from Williamsport are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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