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Cheap flights from Williamsport to London from $1,617

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 5/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
5:55 am - 6:20 am
IPT
-
LHR
19h 25m
1 stop
Multiple Airlines Logo
2:00 pm - 2:15 pm
LHR
-
IPT
29h 15m
1 stop
$1,617Multiple Airlines
Wed, May 27 - Wed, Jun 3
Multiple Airlines Logo
2:50 pm - 7:45 am
IPT
-
LHR
11h 55m
1 stop
Multiple Airlines Logo
12:35 pm - 6:50 pm
LHR
-
IPT
11h 15m
1 stop
$1,632Multiple Airlines
Thu, Jun 11 - Thu, Jun 18
Multiple Airlines Logo
10:15 am - 10:50 am
IPT
-
LHR
19h 35m
1 stop
Multiple Airlines Logo
5:05 pm - 2:15 pm
LHR
-
IPT
26h 10m
1 stop
$1,842Multiple Airlines
Sun, Jun 14 - Sun, Jun 21
Multiple Airlines Logo
2:50 pm - 6:55 am
IPT
-
LHR
11h 05m
1 stop
Multiple Airlines Logo
7:40 am - 6:50 pm
LHR
-
IPT
16h 10m
2 stops
$6,190Multiple Airlines
Thu, Jun 11 - Thu, Jun 18

momondo Fare Finder

 
Customize your flight search to find flights from Williamsport 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 May 1, 2026.
Use the filters below to find and compare flights from Williamsport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

WilliamsportLondon

IPT - LHR

IPTLHR

Williamsport Lycoming County

Wed 5/27

5:55 am-6:20 am

1 stop19h 25m

London Heathrow

Wed 6/3

2:00 pm-2:15 pm

1 stop29h 15m

$1,617
Quickest round-trip

WilliamsportLondon

IPT - LHR

IPTLHR

Williamsport Lycoming County

Thu 6/11

2:50 pm-7:45 am

1 stop11h 55m

London Heathrow

Thu 6/18

12:35 pm-6:50 pm

1 stop11h 15m

$1,632

WilliamsportLondon

IPT - LHR

IPTLHR

Williamsport Lycoming County

Sun 6/14

10:15 am-10:50 am

1 stop19h 35m

London Heathrow

Sun 6/21

5:05 pm-2:15 pm

1 stop26h 10m

$1,842

WilliamsportLondon

IPT - LHR

IPTLHR

Williamsport Lycoming County

Thu 6/11

2:50 pm-6:55 am

1 stop11h 05m

London Heathrow

Thu 6/18

7:40 am-6:50 pm

2 stops16h 10m

$6,190

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

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?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to London from Williamsport according to our data. United Airlines is the first choice among our users, with 66% of people opting to fly with this airline when traveling to London. Keep in mind that there are 3 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

When to book flights from Williamsport to London

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

Cheap Williamsport to London (IPT to LON) flight deals and tips

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

Fastest flight time

19h 25m

Direct flights

None
The fastest flight from Williamsport to London takes 19h 25m
There are no direct flights from Williamsport to London. There are no popular flight routes from Williamsport to London.
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Frequently asked questions about flying from Williamsport to London

  • How far is Williamsport Lycoming County to London by plane?

    The distance between Williamsport Lycoming County and London is about 3557.4 mi. 19h 25m is a normal flight duration for this route.

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

    Prices for flights from Williamsport Lycoming County Airport to London are refreshed on a daily basis.

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

    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.

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

    The travel and health documents you'll need for your trip to London 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. 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
Hounslow
Gatwick
Milton Keynes
Dover
Luton
Hayes
Crawley
Slough
Wembley
Stansted
Watford
Croydon
Uxbridge
Brentwood
Dartford
Cobham
Folkestone
Romford
Harrow
Guildford

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. All flights to London from Williamsport on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to London from Williamsport. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to London from Williamsport. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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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
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport