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$235+ 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — YXU
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
1 adult, Economy
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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 April 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$439
(Gotogate)

One-way from

$235
(United Airlines)
Provider with most accurate pricing for Philadelphia-London flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-London flights.
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From Pennsylvania to London
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One-way flight from Pennsylvania to London
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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 April 11, 2025.

This Gotogate deal was found by Cheapflights users on 4/9. 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.
Sun 5/257:45 amEWR - YXU
2 stops7h 18mAir Canada
Sun 6/19:55 amYXU - EWR
1 stop5h 39mAir Canada
Deal found 4/9$439
This Gotogate deal was found by Cheapflights users on 4/9. 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.
Sun 5/2510:30 amLGA - YXU
1 stop4h 33mAir Canada
Sun 6/13:35 pmYXU - LGA
1 stop4h 24mAir Canada
Deal found 4/9$441
This Mytrip deal was found by Cheapflights users on 4/9. 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.
Fri 5/910:48 amPHL - YXU
3 stops32h 22mMultiple Airlines
Fri 5/168:00 pmYXU - PHL
3 stops34h 01mMultiple Airlines
Deal found 4/9$511
This United deal was found by Cheapflights users on 4/10. 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.
Sun 5/1111:00 amEWR - YXU
1 stop4h 04mMultiple Airlines
Wed 5/149:55 amYXU - EWR
1 stop5h 39mMultiple Airlines
Deal found 4/10$513
This United deal was found by Cheapflights users on 4/10. 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.
Sun 5/1110:30 amLGA - YXU
1 stop4h 34mMultiple Airlines
Wed 5/143:45 pmYXU - LGA
1 stop5h 06mMultiple Airlines
Deal found 4/10$513
This United Airlines deal was found by Cheapflights users on 4/10. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/115:50 amEWR - YXU
2 stops9h 14mUnited Airlines
Wed 5/146:15 amYXU - EWR
1 stop3h 59mUnited Airlines
Deal found 4/10$523
This United Airlines deal was found by Cheapflights users on 4/10. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/116:25 amLGA - YXU
2 stops8h 39mUnited Airlines
Wed 5/149:55 amYXU - LGA
1 stop5h 04mUnited Airlines
Deal found 4/10$523
This Air Canada deal was found by Cheapflights users on 4/10. 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.
Sun 5/116:55 amJFK - YXU
1 stop8h 09mAir Canada
Wed 5/149:55 amYXU - JFK
1 stop5h 05mAir Canada
Deal found 4/10$536
This United Airlines deal was found by Cheapflights users on 4/10. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/236:55 amJFK - YXU
1 stop10h 12mUnited Airlines
Sun 7/279:55 amYXU - JFK
1 stop5h 20mUnited Airlines
Deal found 4/10$566
This Air Canada deal was found by Cheapflights users on 4/10. 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.
Thu 5/2211:00 amDCA - YXU
1 stop4h 03mAir Canada
Mon 5/269:55 amYXU - DCA
1 stop22h 58mAir Canada
Deal found 4/10$658
This Air Canada deal was found by Cheapflights users on 4/10. 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.
Thu 5/2210:25 amIAD - YXU
1 stop4h 38mAir Canada
Mon 5/263:45 pmYXU - IAD
1 stop16h 09mAir Canada
Deal found 4/10$658
This Air Canada deal was found by Cheapflights users on 4/10. 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.
Tue 6/1711:00 amPHL - YXU
1 stop3h 58mAir Canada
Mon 6/236:15 amYXU - PHL
1 stop3h 39mAir Canada
Deal found 4/10$715

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 April 11, 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

NewarkLondon

EWR - YXU

EWRYXU

Newark

Sun 5/25

7:45 am-3:03 pm

2 stops7h 18m

London

Sun 6/1

9:55 am-3:34 pm

1 stop5h 39m

$439

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Sun 5/25

10:30 am-3:03 pm

1 stop4h 33m

London

Sun 6/1

3:35 pm-7:59 pm

1 stop4h 24m

$441

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Fri 5/9

10:48 am-7:10 pm

3 stops32h 22m

London

Fri 5/16

8:00 pm-6:01 am

3 stops34h 01m

$511

NewarkLondon

EWR - YXU

EWRYXU

Newark

Sun 5/11

11:00 am-3:04 pm

1 stop4h 04m

London

Wed 5/14

9:55 am-3:34 pm

1 stop5h 39m

$513

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Sun 5/11

10:30 am-3:04 pm

1 stop4h 34m

London

Wed 5/14

3:45 pm-8:51 pm

1 stop5h 06m

$513

NewarkLondon

EWR - YXU

EWRYXU

Newark

Sun 5/11

5:50 am-3:04 pm

2 stops9h 14m

London

Wed 5/14

6:15 am-10:14 am

1 stop3h 59m

$523

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Sun 5/11

6:25 am-3:04 pm

2 stops8h 39m

London

Wed 5/14

9:55 am-2:59 pm

1 stop5h 04m

$523

New YorkLondon

JFK - YXU

JFKYXU

New York John F Kennedy Intl

Sun 5/11

6:55 am-3:04 pm

1 stop8h 09m

London

Wed 5/14

9:55 am-3:00 pm

1 stop5h 05m

$536

New YorkLondon

JFK - YXU

JFKYXU

New York John F Kennedy Intl

Wed 7/23

6:55 am-5:07 pm

1 stop10h 12m

London

Sun 7/27

9:55 am-3:15 pm

1 stop5h 20m

$566

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Thu 5/22

11:00 am-3:03 pm

1 stop4h 03m

London

Mon 5/26

9:55 am-8:53 am

1 stop22h 58m

$658

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 24 results
1
2
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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

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London, Ontario ranges from 2.8 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. March is typically the driest time to visit London, Ontario when rainfall is around 2.8 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated April 11, 2025.
Get a feel of what it's like to fly with United Airlines, WestJet and Air Canada from Pennsylvania to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,636 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,636 reviews
United Airlines
7.4
Good
8,636 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
WestJet
7.2
Good
2,802 reviews
United Airlines
7.4
Good
8,636 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.0
Good
9,085 reviews
United Airlines
7.4
Good
8,636 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • What are the cheapest airlines to fly from Pennsylvania to London, Ontario one-way?

    The cheapest airlines for a one-way flight from Pennsylvania to London, Ontario are United Airlines ($235), Air Canada ($237), and WestJet ($1,045).

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

    Most travelers choose Washington, D.C. Dulles Intl - London, Newark - London or Washington, D.C. Reagan-National - 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.

See more FAQs

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