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Cheap flights from Pennsylvania to London from $199

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 3/26. 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

Enter your travel dates to find the best prices.
Air Canada Logo
1:05 pm - 5:05 pm
LGA
-
YXU
4h 00m
1 stop
Air Canada Logo
5:10 am - 9:18 am
YXU
-
LGA
4h 08m
1 stop
$452Air Canada
Thu, Mar 5 - Wed, Mar 11
Air Canada Logo
11:05 am - 5:05 pm
EWR
-
YXU
6h 00m
1 stop
Air Canada Logo
5:10 am - 10:25 am
YXU
-
EWR
5h 15m
1 stop
$452Air Canada
Thu, Mar 5 - Wed, Mar 11
Air Canada Logo
4:50 pm - 9:21 pm
JFK
-
YXU
4h 31m
1 stop
Air Canada Logo
5:40 pm - 10:39 pm
YXU
-
JFK
4h 59m
1 stop
$452Air Canada
Thu, Mar 5 - Wed, Mar 11
Air Canada Logo
12:40 pm - 9:21 pm
LGA
-
YXU
8h 41m
2 stops
Air Canada Logo
9:40 am - 2:28 pm
YXU
-
LGA
4h 48m
1 stop
$455Air Canada
Thu, Mar 5 - Wed, Mar 11
Air Canada Logo
6:55 am - 5:05 pm
EWR
-
YXU
10h 10m
2 stops
Air Canada Logo
5:10 am - 10:25 am
YXU
-
EWR
5h 15m
1 stop
$455Air Canada
Thu, Mar 5 - Wed, Mar 11
Air Canada Logo
9:40 am - 5:05 pm
DCA
-
YXU
7h 25m
1 stop
Air Canada Logo
5:10 am - 8:53 am
YXU
-
DCA
3h 43m
1 stop
$484Air Canada
Thu, Mar 26 - Thu, Apr 2
Multiple Airlines Logo
8:55 am - 6:35 am
EWR
-
YXU
21h 40m
3 stops
Multiple Airlines Logo
9:40 am - 1:33 pm
YXU
-
EWR
3h 53m
1 stop
$503Multiple Airlines
Thu, Mar 5 - Wed, Mar 11
United Airlines Logo
12:00 pm - 9:21 pm
DCA
-
YXU
9h 21m
2 stops
United Airlines Logo
5:10 am - 8:55 am
YXU
-
DCA
3h 45m
1 stop
$634United Airlines
Tue, Mar 17 - Thu, Mar 19
United Airlines Logo
8:26 am - 5:05 pm
IAD
-
YXU
8h 39m
2 stops
United Airlines Logo
5:10 am - 11:23 am
YXU
-
IAD
6h 13m
1 stop
$634United Airlines
Thu, Mar 26 - Thu, Apr 2
United Airlines Logo
12:55 pm - 9:21 pm
DCA
-
YXU
8h 26m
2 stops
United Airlines Logo
5:10 am - 2:23 pm
YXU
-
DCA
9h 13m
2 stops
$650United Airlines
Tue, Mar 17 - Thu, Mar 19

Air Canada flights from Pennsylvania to London, Ontario

Our best Air Canada deals on Pennsylvania to London, Ontario flight tickets
Air Canada
Mar 5
EWR11:05 amNewark
6h 00m
1 stop
YXU5:05 pmLondon
Mar 11
YXU5:10 amLondon
5h 15m
1 stop
EWR10:25 amNewark
$452
Air Canada
Mar 5
EWR6:55 amNewark
10h 10m
2 stops
YXU5:05 pmLondon
Mar 11
YXU5:10 amLondon
5h 15m
1 stop
EWR10:25 amNewark
$455
Air Canada
Mar 26
DCA9:40 amWashington, D.C. Reagan-National
7h 25m
1 stop
YXU5:05 pmLondon
Apr 2
YXU5:10 amLondon
3h 43m
1 stop
DCA8:53 amWashington, D.C. Reagan-National
$484

United Airlines flights from Pennsylvania to London, Ontario

Our best United Airlines deals on Pennsylvania to London, Ontario flight tickets
United Airlines
Mar 10
EWR5:19 pmNewark
4h 02m
1 stop
YXU9:21 pmLondon
Mar 17
YXU9:40 amLondon
3h 53m
1 stop
EWR1:33 pmNewark
$614
United Airlines
Mar 10
EWR3:00 pmNewark
6h 21m
2 stops
YXU9:21 pmLondon
Mar 17
YXU9:40 amLondon
6h 03m
1 stop
EWR3:43 pmNewark
$624
United Airlines
Feb 23
EWR4:00 pmNewark
5h 21m
1 stop
YXU9:21 pmLondon
Feb 26
YXU5:10 amLondon
9h 24m
2 stops
EWR2:34 pmNewark
$629

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 February 10, 2026.
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

LGA - YXU

LGAYXU

New York LaGuardia

Thu 3/5

1:05 pm-5:05 pm

1 stop4h 00m

London

Wed 3/11

5:10 am-9:18 am

1 stop4h 08m

$452

NewarkLondon

EWR - YXU

EWRYXU

Newark

Thu 3/5

11:05 am-5:05 pm

1 stop6h 00m

London

Wed 3/11

5:10 am-10:25 am

1 stop5h 15m

$452

New YorkLondon

JFK - YXU

JFKYXU

New York John F Kennedy Intl

Thu 3/5

4:50 pm-9:21 pm

1 stop4h 31m

London

Wed 3/11

5:40 pm-10:39 pm

1 stop4h 59m

$452

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Thu 3/5

12:40 pm-9:21 pm

2 stops8h 41m

London

Wed 3/11

9:40 am-2:28 pm

1 stop4h 48m

$455

NewarkLondon

EWR - YXU

EWRYXU

Newark

Thu 3/5

6:55 am-5:05 pm

2 stops10h 10m

London

Wed 3/11

5:10 am-10:25 am

1 stop5h 15m

$455

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Thu 3/26

9:40 am-5:05 pm

1 stop7h 25m

London

Thu 4/2

5:10 am-8:53 am

1 stop3h 43m

$484

NewarkLondon

EWR - YXU

EWRYXU

Newark

Thu 3/5

8:55 am-6:35 am

3 stops21h 40m

London

Wed 3/11

9:40 am-1:33 pm

1 stop3h 53m

$503

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Tue 3/17

12:00 pm-9:21 pm

2 stops9h 21m

London

Thu 3/19

5:10 am-8:55 am

1 stop3h 45m

$634

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Thu 3/26

8:26 am-5:05 pm

2 stops8h 39m

London

Thu 4/2

5:10 am-11:23 am

1 stop6h 13m

$634

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Tue 3/17

12:55 pm-9:21 pm

2 stops8h 26m

London

Thu 3/19

5:10 am-2:23 pm

2 stops9h 13m

$650

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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?

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 42% of people opting to fly with this airline when traveling to London, Ontario. Keep in mind that there are 4 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

Fastest flight time

4h 00m

Direct flights

None
The fastest flight from Pennsylvania to London, Ontario takes 4h 00m
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
10,701 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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