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

Prices for flights from Philadelphia Airport to London Airport were last updated today.

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

There is 1 operator available for flights from Philadelphia Airport to London Airport as of November 2025.

How old do you have to be to fly from Philadelphia Airport to London Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to London Airport.

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

The necessary travel and health documents for your London Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$518 Cheap Flights from Philadelphia to London in 2025/26

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Cheap round-trip flights

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5:30 am - 6:34 amPHL-YXU

25h 04m3 stops

8:10 pm - 11:50 pmYXU-PHL

27h 40m3 stops

$518Multiple Airlines

Find Deal

Thu, Jan 8 - Thu, Jan 15

8:54 pm - 6:34 amPHL-YXU

33h 40m3 stops

8:10 pm - 11:50 pmYXU-PHL

27h 40m3 stops

$796Multiple Airlines

Find Deal

Wed, Jan 7 - Wed, Jan 14

5:30 am - 6:34 amPHL-YXU

25h 04m2 stops

8:10 pm - 11:50 pmYXU-PHL

27h 40m3 stops

$813Multiple Airlines

Find Deal

Thu, Jan 8 - Thu, Jan 15

10:30 am - 9:21 pmPHL-YXU

10h 51m2 stops

5:40 pm - 2:10 pmYXU-PHL

20h 30m2 stops

$913United Airlines

Find Deal

Thu, Jan 8 - Thu, Jan 15

7:50 am - 5:05 pmPHL-YXU

9h 15m1 stop

9:25 am - 3:49 pmYXU-PHL

6h 24m1 stop

$926Air Canada

Find Deal

Wed, Jan 7 - Wed, Jan 14

5:00 pm - 5:05 pmPHL-YXU

24h 05m2 stops

9:25 am - 2:31 pmYXU-PHL

29h 06m2 stops

$928United Airlines

Find Deal

Sun, Feb 1 - Thu, Feb 5

4:05 pm - 9:21 pmPHL-YXU

5h 16m1 stop

9:25 am - 3:24 pmYXU-PHL

5h 59m1 stop

$930Air Canada

Find Deal

Sun, Feb 1 - Thu, Feb 5

7:50 am - 5:05 pmPHL-YXU

9h 15m1 stop

5:10 am - 2:47 pmYXU-PHL

9h 37m2 stops

$931Air Canada

Find Deal

Wed, Jan 7 - Wed, Jan 14

4:05 pm - 9:21 pmPHL-YXU

5h 16m1 stop

5:10 am - 2:50 pmYXU-PHL

9h 40m2 stops

$936Air Canada

Find Deal

Sun, Feb 1 - Thu, Feb 5

10:39 am - 5:05 pmPHL-YXU

30h 26m2 stops

5:10 am - 11:30 pmYXU-PHL

18h 20m2 stops

$968United Airlines

Find Deal

Sat, Dec 20 - Tue, Dec 23

United Airlines flights from Philadelphia to London, Ontario

Our best United Airlines deals on Philadelphia to London, Ontario flight tickets

United Airlines

Jan 8

PHL10:30 amPhiladelphia

10h 51m

2 stops

YXU9:21 pmLondon

Jan 15

YXU5:40 pmLondon

20h 30m

2 stops

PHL2:10 pmPhiladelphia

$913

Find similar

United Airlines

Feb 1

PHL5:00 pmPhiladelphia

24h 05m

2 stops

YXU5:05 pmLondon

Feb 5

YXU9:25 amLondon

26h 42m

2 stops

PHL12:07 pmPhiladelphia

$928

Find similar

United Airlines

Dec 20

PHL10:39 amPhiladelphia

30h 26m

2 stops

YXU5:05 pmLondon

Dec 23

YXU5:10 amLondon

18h 20m

2 stops

PHL11:30 pmPhiladelphia

$968

Find similar

Air Canada flights from Philadelphia to London, Ontario

Our best Air Canada deals on Philadelphia to London, Ontario flight tickets

Air Canada

Jan 7

PHL7:50 amPhiladelphia

9h 15m

1 stop

YXU5:05 pmLondon

Jan 14

YXU9:25 amLondon

6h 24m

1 stop

PHL3:49 pmPhiladelphia

$926

Find similar

Air Canada

Feb 1

PHL4:05 pmPhiladelphia

5h 16m

1 stop

YXU9:21 pmLondon

Feb 5

YXU9:25 amLondon

5h 59m

1 stop

PHL3:24 pmPhiladelphia

$930

Find similar

Air Canada

Jan 7

PHL7:50 amPhiladelphia

9h 15m

1 stop

YXU5:05 pmLondon

Jan 14

YXU5:10 amLondon

9h 37m

2 stops

PHL2:47 pmPhiladelphia

$931

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Philadelphia to London, Ontario that are best for you.

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Fly to

Route

Depart

Return

Price

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Thu 1/8

5:30 am-6:34 am

3 stops25h 04m

London

Thu 1/15

8:10 pm-11:50 pm

3 stops27h 40m

$518

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Wed 1/7

8:54 pm-6:34 am

3 stops33h 40m

London

Wed 1/14

8:10 pm-11:50 pm

3 stops27h 40m

$796

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Thu 1/8

5:30 am-6:34 am

2 stops25h 04m

London

Thu 1/15

8:10 pm-11:50 pm

3 stops27h 40m

$813

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Thu 1/8

10:30 am-9:21 pm

2 stops10h 51m

London

Thu 1/15

5:40 pm-2:10 pm

2 stops20h 30m

$913

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Wed 1/7

7:50 am-5:05 pm

1 stop9h 15m

London

Wed 1/14

9:25 am-3:49 pm

1 stop6h 24m

$926

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Sun 2/1

5:00 pm-5:05 pm

2 stops24h 05m

London

Thu 2/5

9:25 am-2:31 pm

2 stops29h 06m

$928

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Sun 2/1

4:05 pm-9:21 pm

1 stop5h 16m

London

Thu 2/5

9:25 am-3:24 pm

1 stop5h 59m

$930

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Wed 1/7

7:50 am-5:05 pm

1 stop9h 15m

London

Wed 1/14

5:10 am-2:47 pm

2 stops9h 37m

$931

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Sun 2/1

4:05 pm-9:21 pm

1 stop5h 16m

London

Thu 2/5

5:10 am-2:50 pm

2 stops9h 40m

$936

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Sat 12/20

10:39 am-5:05 pm

2 stops30h 26m

London

Tue 12/23

5:10 am-11:30 pm

2 stops18h 20m

$968

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Philadelphia 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 airlines fly to London, Ontario?

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to London, Ontario from Philadelphia according to our data. Air Canada is the first choice among our users, with 46% of people opting to fly with this airline when traveling to London, Ontario. Keep in mind that there are 7 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from Philadelphia to London, Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to London, Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Philadelphia to London, Ontario (PHL to YXU) flight deals and tips

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

Fastest flight time	13h 31m
Direct flights	None

The fastest flight from Philadelphia to London, Ontario takes 13h 31m

There are no direct flights from Philadelphia to London, Ontario. There are no popular flight routes from Philadelphia to London, Ontario.

Search flight deals

How far is Philadelphia to London by plane?
A flight from Philadelphia to London will travel around 377.5 mi. A reasonable flight in good conditions will take 4h 46m.
When did momondo last update prices for flights from Philadelphia Airport to London Airport?
Prices for flights from Philadelphia Airport to London Airport were last updated today.
How many operators does momondo search for flights from Philadelphia Airport to London Airport?
There is 1 operator available for flights from Philadelphia Airport to London Airport as of November 2025.
How old do you have to be to fly from Philadelphia Airport to London Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to London Airport.
What documentation or ID do you need to fly to London Airport?
The necessary travel and health documents for your London Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Philadelphia to London, Ontario?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Philadelphia to London, Ontario is Air Canada (100% of total bookings).

Best airlines flying from Philadelphia to London, Ontario

Compare and see reviews for airlines that fly from Philadelphia to London, Ontario with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $549	Free Cancellation	Rating 7.1 10,476 reviews		Search Air Canada flights

Grand Bend

Port Stanley

Why use momondo?

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

It is quick and easy to find Philadelphia to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Philadelphia to London with flexible booking policies on momondo?

Flights from Philadelphia to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Philadelphia.

I’m not ready to book a flight from Philadelphia 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 Philadelphia 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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Cheap flights from Philadelphia to London from $518

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to London departing on 1/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

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Find the cheapest flights from Philadelphia to London

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United Airlines flights from Philadelphia to London, Ontario

Our best United Airlines deals on Philadelphia to London, Ontario flight tickets

Air Canada flights from Philadelphia to London, Ontario

Our best Air Canada deals on Philadelphia to London, Ontario flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Philadelphia to London, Ontario that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from Philadelphia 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 airlines fly to London, Ontario?

When to book flights from Philadelphia to London, Ontario

Cheap Philadelphia to London, Ontario (PHL to YXU) flight deals and tips

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

Fastest flight time

Direct flights

How far is Philadelphia to London by plane?

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

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

How old do you have to be to fly from Philadelphia Airport to London Airport?

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

What is the most popular airline from Philadelphia to London, Ontario?

Best airlines flying from Philadelphia to London, Ontario

Compare and see reviews for airlines that fly from Philadelphia to London, Ontario with momondo

Traveling to a place near London?

Why use momondo?

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

Can I find flights from Philadelphia to London with flexible booking policies on momondo?

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

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

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Canada

Airports servicing Ontario