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Cheap flights from Pennsylvania to London from $172

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to London departing on 10/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Pennsylvania to London

Cheap round-trip flights

Multiple Airlines Logo
5:30 pm - 5:12 amJFK-YXU
11h 42m1 stop
Multiple Airlines Logo
8:00 pm - 10:03 amYXU-JFK
38h 03m2 stops
$458Multiple Airlines
Find Deal
Thu, Oct 16 - Thu, Oct 23
WestJet Logo
5:30 pm - 5:12 amJFK-YXU
11h 42m1 stop
WestJet Logo
6:00 am - 4:32 pmYXU-JFK
10h 32m1 stop
$472WestJet
Find Deal
Wed, Oct 15 - Wed, Oct 22
Multiple Airlines Logo
5:30 pm - 5:12 amJFK-YXU
11h 42m1 stop
Multiple Airlines Logo
8:00 pm - 10:03 amYXU-JFK
38h 03m2 stops
$476Multiple Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
Air Canada Logo
1:05 pm - 9:21 pmLGA-YXU
8h 16m2 stops
Air Canada Logo
5:40 pm - 10:33 pmYXU-LGA
4h 53m1 stop
$500Air Canada
Find Deal
Fri, Oct 31 - Fri, Nov 7
Air Canada Logo
12:45 pm - 5:06 pmLGA-YXU
4h 21m1 stop
Air Canada Logo
5:40 pm - 10:33 pmYXU-LGA
4h 53m1 stop
$503Air Canada
Find Deal
Fri, Oct 31 - Fri, Nov 7
Air Canada Logo
4:25 pm - 9:21 pmEWR-YXU
4h 56m1 stop
Air Canada Logo
5:40 pm - 10:48 pmYXU-EWR
5h 08m1 stop
$503Air Canada
Find Deal
Fri, Oct 31 - Fri, Nov 7
Air Canada Logo
4:50 pm - 9:21 pmJFK-YXU
4h 31m1 stop
Air Canada Logo
5:40 pm - 10:39 pmYXU-JFK
4h 59m1 stop
$503Air Canada
Find Deal
Fri, Oct 31 - Fri, Nov 7
Multiple Airlines Logo
11:31 am - 5:12 amJFK-YXU
41h 41m3 stops
Multiple Airlines Logo
6:00 am - 4:32 pmYXU-JFK
10h 32m1 stop
$524Multiple Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
United Airlines Logo
11:40 am - 5:06 pmLGA-YXU
5h 26m1 stop
United Airlines Logo
9:25 am - 3:38 pmYXU-LGA
6h 13m1 stop
$665United Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
United Airlines Logo
12:00 pm - 5:06 pmEWR-YXU
5h 06m1 stop
United Airlines Logo
5:45 am - 11:15 amYXU-EWR
5h 30m1 stop
$665United Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6

WestJet flights from Pennsylvania to London, Ontario

Our best WestJet deals on Pennsylvania to London, Ontario flight tickets
WestJet
Oct 15
JFK5:30 pmNew York John F Kennedy Intl
11h 42m
1 stop
YXU5:12 amLondon
Oct 22
YXU6:00 amLondon
10h 32m
1 stop
JFK4:32 pmNew York John F Kennedy Intl
$472
Find similar
WestJet
Oct 16
JFK5:30 pmNew York John F Kennedy Intl
11h 42m
1 stop
YXU5:12 amLondon
Oct 23
YXU6:00 amLondon
10h 32m
1 stop
JFK4:32 pmNew York John F Kennedy Intl
$611
Find similar
WestJet
Oct 11
JFK5:30 pmNew York John F Kennedy Intl
11h 42m
1 stop
YXU5:12 amLondon
Oct 19
YXU8:00 pmLondon
20h 32m
1 stop
JFK4:32 pmNew York John F Kennedy Intl
$714
Find similar

United Airlines flights from Pennsylvania to London, Ontario

Our best United Airlines deals on Pennsylvania to London, Ontario flight tickets
United Airlines
Oct 30
LGA11:40 amNew York LaGuardia
5h 26m
1 stop
YXU5:06 pmLondon
Nov 6
YXU9:25 amLondon
6h 13m
1 stop
LGA3:38 pmNew York LaGuardia
$665
Find similar
United Airlines
Oct 30
DCA10:05 amWashington, D.C. Reagan-National
7h 01m
2 stops
YXU5:06 pmLondon
Nov 6
YXU5:40 pmLondon
4h 55m
1 stop
DCA10:35 pmWashington, D.C. Reagan-National
$668
Find similar
United Airlines
Oct 30
DCA7:00 amWashington, D.C. Reagan-National
10h 06m
2 stops
YXU5:06 pmLondon
Nov 6
YXU9:25 amLondon
8h 00m
2 stops
DCA5:25 pmWashington, D.C. Reagan-National
$672
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania to London, Ontario 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 Pennsylvania to London, Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkLondon

JFK - YXU

JFKYXU

New York John F Kennedy Intl

Thu 10/16

5:30 pm-5:12 am

1 stop11h 42m

London

Thu 10/23

8:00 pm-10:03 am

2 stops38h 03m

$458

New YorkLondon

JFK - YXU

JFKYXU

New York John F Kennedy Intl

Wed 10/15

5:30 pm-5:12 am

1 stop11h 42m

London

Wed 10/22

6:00 am-4:32 pm

1 stop10h 32m

$472

New YorkLondon

JFK - YXU

JFKYXU

New York John F Kennedy Intl

Wed 10/15

5:30 pm-5:12 am

1 stop11h 42m

London

Wed 10/22

8:00 pm-10:03 am

2 stops38h 03m

$476

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Fri 10/31

1:05 pm-9:21 pm

2 stops8h 16m

London

Fri 11/7

5:40 pm-10:33 pm

1 stop4h 53m

$500

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Fri 10/31

12:45 pm-5:06 pm

1 stop4h 21m

London

Fri 11/7

5:40 pm-10:33 pm

1 stop4h 53m

$503

NewarkLondon

EWR - YXU

EWRYXU

Newark

Fri 10/31

4:25 pm-9:21 pm

1 stop4h 56m

London

Fri 11/7

5:40 pm-10:48 pm

1 stop5h 08m

$503

New YorkLondon

JFK - YXU

JFKYXU

New York John F Kennedy Intl

Fri 10/31

4:50 pm-9:21 pm

1 stop4h 31m

London

Fri 11/7

5:40 pm-10:39 pm

1 stop4h 59m

$503

New YorkLondon

JFK - YXU

JFKYXU

New York John F Kennedy Intl

Wed 10/15

11:31 am-5:12 am

3 stops41h 41m

London

Wed 10/22

6:00 am-4:32 pm

1 stop10h 32m

$524

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Thu 10/30

11:40 am-5:06 pm

1 stop5h 26m

London

Thu 11/6

9:25 am-3:38 pm

1 stop6h 13m

$665

NewarkLondon

EWR - YXU

EWRYXU

Newark

Thu 10/30

12:00 pm-5:06 pm

1 stop5h 06m

London

Thu 11/6

5:45 am-11:15 am

1 stop5h 30m

$665

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 Pennsylvania to London, Ontario

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 airline that flies from Pennsylvania to London?

WestJet, Air Canada, and United Airlines are the most popular carriers operating from Pennsylvania to London

What airlines fly to London, Ontario?

Air Canada, American Airlines and United Airlines are the top three most popular airlines that fly to London, Ontario from Pennsylvania according to our data. Air Canada is the first choice among our users, with 44% of people opting to fly with this airline when traveling to London, Ontario. Keep in mind that there are 3 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

Cheap Pennsylvania to London, Ontario flight deals and tips

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

Direct flights

None
There are no direct flights from Pennsylvania to London, Ontario. There are no popular flight routes from Pennsylvania to London, Ontario.
Search flight deals

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

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

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

  • How old do you have to be to fly from Pennsylvania to London 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 Pennsylvania to London Airport.

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

    The travel and health documents required for your trip to London Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Pennsylvania to London, Ontario

Compare and see reviews for airlines that fly from Pennsylvania to London, Ontario with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $549Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Grand Bend
Port Stanley

Why use momondo?

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

Finding the right flight to London from Pennsylvania 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 Pennsylvania to London with flexible booking policies on momondo?

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

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

momondo helps you find the best flight between Pennsylvania and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Pennsylvania and alert you when they change.

An easier way to manage your London, Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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