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$179+ Cheap flights from Pennsylvania to London, ON (YXU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — YXU
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Pennsylvania to London

Cheapest flights from Pennsylvania to London
Explore the most affordable flight options available from Pennsylvania to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Flightnetwork deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1011:05 amDCA - YXU
2 stops10h 16mAir Canada
Sat 12/135:10 amYXU - DCA
2 stops10h 21mAir Canada
Deal found 10/29$487
This Gotogate deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/109:45 amIAD - YXU
2 stops7h 20mAir Canada
Sat 12/139:25 amYXU - IAD
1 stop6h 21mAir Canada
Deal found 10/29$518
This Gotogate deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:55 amEWR - YXU
2 stops10h 10mAir Canada
Thu 12/49:25 amYXU - EWR
1 stop4h 15mAir Canada
Deal found 10/27$522
This Gotogate deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/281:05 pmLGA - YXU
2 stops8h 16mAir Canada
Thu 12/45:10 amYXU - LGA
1 stop4h 03mAir Canada
Deal found 10/27$522
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:45 pmEWR - YXU
2 stops24h 27mMultiple Airlines
Tue 11/188:10 pmYXU - EWR
2 stops23h 03mMultiple Airlines
Deal found 10/28$540
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1110:59 amLGA - YXU
3 stops32h 13mMultiple Airlines
Tue 11/188:10 pmYXU - LGA
2 stops20h 45mMultiple Airlines
Deal found 10/28$603
This Air Canada deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/124:30 pmIAD - YXU
1 stop4h 51mAir Canada
Fri 12/199:25 amYXU - IAD
1 stop11h 01mAir Canada
Deal found 10/28$617
This Air Canada deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1211:05 amEWR - YXU
1 stop6h 00mAir Canada
Fri 12/199:25 amYXU - EWR
1 stop6h 18mAir Canada
Deal found 10/28$622
This Air Canada deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/54:20 pmLGA - YXU
1 stop5h 01mAir Canada
Mon 12/85:40 pmYXU - LGA
1 stop4h 53mAir Canada
Deal found 10/29$622
This Air Canada deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/139:40 amDCA - YXU
1 stop7h 25mAir Canada
Sat 12/209:25 amYXU - DCA
1 stop13h 10mAir Canada
Deal found 10/29$640
This Air Canada deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/123:30 pmLGA - YXU
1 stop5h 51mAir Canada
Fri 12/195:10 amYXU - LGA
1 stop4h 03mAir Canada
Deal found 10/28$652
This United deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/284:50 pmJFK - YXU
1 stop4h 31mMultiple Airlines
Thu 12/45:40 pmYXU - JFK
1 stop4h 59mMultiple Airlines
Deal found 10/27$681

Cheap flight deals from Pennsylvania to London

Keep the following information in mind while searching for Pennsylvania to London flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$487
(Flightnetwork)

One-way from

$179
(Kiwi.com)
Provider with most accurate pricing for Philadelphia-London flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-London flights.
Search Deals
From Pennsylvania to London
Search Deals
One-way flight from Pennsylvania to London
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Pennsylvania to London that are best for you.

Fly from

Pennsylvania

Fly to

London

Route

Depart

Return

Price

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Wed 12/10

11:05 am-9:21 pm

2 stops10h 16m

London

Sat 12/13

5:10 am-3:31 pm

2 stops10h 21m

$487

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Wed 12/10

9:45 am-5:05 pm

2 stops7h 20m

London

Sat 12/13

9:25 am-3:46 pm

1 stop6h 21m

$518

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Fri 11/28

1:05 pm-9:21 pm

2 stops8h 16m

London

Thu 12/4

5:10 am-9:13 am

1 stop4h 03m

$522

NewarkLondon

EWR - YXU

EWRYXU

Newark

Tue 11/11

6:45 pm-7:12 pm

2 stops24h 27m

London

Tue 11/18

8:10 pm-10:26 pm

3 stops26h 16m

$561

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Tue 11/11

10:59 am-7:12 pm

3 stops32h 13m

London

Tue 11/18

8:10 pm-4:55 pm

2 stops20h 45m

$603

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Wed 1/14

4:30 pm-9:21 pm

1 stop4h 51m

London

Tue 1/20

5:15 am-3:54 pm

1 stop10h 39m

$617

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Mon 3/30

4:30 pm-9:18 pm

1 stop4h 48m

London

Fri 4/3

9:25 am-8:30 pm

1 stop11h 05m

$617

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Fri 12/12

4:30 pm-9:21 pm

1 stop4h 51m

London

Fri 12/19

9:25 am-8:26 pm

1 stop11h 01m

$617

NewarkLondon

EWR - YXU

EWRYXU

Newark

Wed 3/25

4:30 pm-9:21 pm

1 stop4h 51m

London

Fri 3/27

9:25 am-3:43 pm

1 stop6h 18m

$622

NewarkLondon

EWR - YXU

EWRYXU

Newark

Fri 12/5

4:30 pm-9:21 pm

1 stop4h 51m

London

Mon 12/8

5:10 am-10:25 am

1 stop5h 15m

$622

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 55 results
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Best time to book a flight from Pennsylvania to London

Have a flexible travel schedule? Discover the best time to fly to London from Pennsylvania with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Pennsylvania to London

What is the cheapest month to book a flight from Pennsylvania to London, Ontario?

Currently, March is the cheapest month in which you can book a flight from Pennsylvania to London, Ontario (average of $185). Flying from Pennsylvania to London, Ontario in July is currently the most expensive (average of $251). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to London from Pennsylvania?

    Located just 5.3 mi from the city center, London (YXU) is the airport most travelers will use when flying to London from Pennsylvania.

  • How long is the flight from Pennsylvania to London, Ontario?

    For as low as $681, Air Canada can have you in London, Ontario from Pennsylvania in 4h 31m. There are 413 mi between Pennsylvania and London, Ontario. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Pennsylvania to London, Ontario?

    Most travelers choose Newark - London, New York John F Kennedy Intl - London or New York LaGuardia - London when deciding on the best route from Pennsylvania to London, Ontario.

  • Can I find deals for flights from Pennsylvania to London that include hotel bookings?

    Yes. In addition to deals on Pennsylvania to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pennsylvania to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to London.

  • Can I find deals for business class flights from Pennsylvania to London?

    Yes. Cheapflights offers flight deals from Pennsylvania to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Pennsylvania to London, Ontario?

    Currently, March is the cheapest month in which you can book a flight from Pennsylvania to London, Ontario (average of $185). Flying from Pennsylvania to London, Ontario in July is currently the most expensive (average of $251). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London?

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

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Alternative routes for Pennsylvania to London

See prices for flight routes from nearby airports that may be better suited for you.
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John F Kennedy Intl to Pearson Intl flights
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Dulles Intl to Pierre Elliott Trudeau Intl flights
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Los Angeles to Pierre Elliott Trudeau Intl flights
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Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Minneapolis to Pearson Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Dulles Intl to Toronto Island flights
John F Kennedy Intl to Toronto Island flights
Sky Harbor Intl to Pearson Intl flights
Los Angeles to Toronto Island flights
Fort Lauderdale to Pearson Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
Baltimore to Pearson Intl flights
Hobby to Pearson Intl flights
Ontario to Pearson Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Orlando to Pearson Intl flights
Midway to Toronto Island flights
Denver to Pearson Intl flights
Hobby to Pierre Elliott Trudeau Intl flights
Philadelphia to Pearson Intl flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Tampa to Pearson Intl flights
San Francisco to Toronto Island flights
George Bush Intcntl to Pearson Intl flights
Raleigh to Pearson Intl flights
Miami to Pierre Elliott Trudeau Intl flights
Charlotte to Pearson Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
San Diego to Pearson Intl flights
LaGuardia to Toronto Island flights
Philadelphia to Pierre Elliott Trudeau Intl flights

Top airline flying from Pennsylvania to London

Discover the top airline that operate flights from Pennsylvania to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$549Average$1,135FlexibilityNo cancel feeOn-time67%

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