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 December 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.

$727 Cheap Flights from Philadelphia to London in 2025/26

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Find the cheapest flights from Philadelphia to London

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:40 pm - 6:35 am

PHL

YXU

41h 55m3 stops

8:10 pm - 2:19 pm

YXU

PHL

18h 09m2 stops

$727Multiple Airlines

Tue, Feb 3 - Tue, Feb 10

4:05 pm - 9:20 pm

PHL

YXU

5h 15m1 stop

9:25 am - 3:24 pm

YXU

PHL

5h 59m1 stop

$915Air Canada

Tue, Feb 3 - Tue, Feb 10

4:05 pm - 9:20 pm

PHL

YXU

5h 15m1 stop

5:10 am - 2:47 pm

YXU

PHL

9h 37m2 stops

$923Air Canada

Tue, Feb 3 - Tue, Feb 10

10:30 am - 9:20 pm

PHL

YXU

10h 50m2 stops

9:25 am - 9:37 am

YXU

PHL

24h 12m2 stops

$924United Airlines

Tue, Feb 3 - Tue, Feb 10

6:30 am - 9:20 pm

PHL

YXU

14h 50m2 stops

9:25 am - 2:31 pm

YXU

PHL

29h 06m2 stops

$941United Airlines

Mon, Feb 2 - Fri, Feb 6

4:05 pm - 9:20 pm

PHL

YXU

5h 15m1 stop

5:40 pm - 10:46 pm

YXU

PHL

5h 06m1 stop

$947Air Canada

Mon, Feb 2 - Fri, Feb 6

10:10 am - 9:20 pm

PHL

YXU

11h 10m2 stops

9:50 am - 9:36 pm

YXU

PHL

11h 46m2 stops

$950United Airlines

Mon, Jan 19 - Thu, Jan 22

4:05 pm - 9:20 pm

PHL

YXU

5h 15m1 stop

5:10 am - 2:47 pm

YXU

PHL

9h 37m2 stops

$955Air Canada

Mon, Feb 2 - Fri, Feb 6

4:35 pm - 9:20 pm

PHL

YXU

4h 45m1 stop

5:40 pm - 10:46 pm

YXU

PHL

5h 06m1 stop

$1,044United Airlines

Mon, Jan 19 - Thu, Jan 22

3:01 pm - 9:20 pm

PHL

YXU

6h 19m2 stops

5:40 pm - 10:46 pm

YXU

PHL

5h 06m1 stop

$1,090United Airlines

Mon, Jan 19 - Thu, Jan 22

Air Canada flights from Philadelphia to London, Ontario

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

Air Canada

Feb 3

PHL4:05 pmPhiladelphia

5h 15m

1 stop

YXU9:20 pmLondon

Feb 10

YXU9:25 amLondon

5h 59m

1 stop

PHL3:24 pmPhiladelphia

$915

Find similar

Air Canada

Feb 3

PHL4:05 pmPhiladelphia

5h 15m

1 stop

YXU9:20 pmLondon

Feb 10

YXU5:10 amLondon

9h 37m

2 stops

PHL2:47 pmPhiladelphia

$923

Find similar

Air Canada

Feb 2

PHL4:05 pmPhiladelphia

5h 15m

1 stop

YXU9:20 pmLondon

Feb 6

YXU5:40 pmLondon

5h 06m

1 stop

PHL10:46 pmPhiladelphia

$947

Find similar

United Airlines flights from Philadelphia to London, Ontario

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

United Airlines

Feb 3

PHL10:30 amPhiladelphia

10h 50m

2 stops

YXU9:20 pmLondon

Feb 10

YXU9:25 amLondon

24h 12m

2 stops

PHL9:37 amPhiladelphia

$924

Find similar

United Airlines

Feb 2

PHL6:30 amPhiladelphia

14h 50m

2 stops

YXU9:20 pmLondon

Feb 6

YXU9:25 amLondon

29h 06m

2 stops

PHL2:31 pmPhiladelphia

$941

Find similar

United Airlines

Jan 19

PHL10:10 amPhiladelphia

11h 10m

2 stops

YXU9:20 pmLondon

Jan 22

YXU9:50 amLondon

11h 46m

2 stops

PHL9:36 pmPhiladelphia

$950

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Tue 2/3

12:40 pm-6:35 am

3 stops41h 55m

London

Tue 2/10

8:10 pm-2:19 pm

2 stops18h 09m

$727

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Tue 2/3

4:05 pm-9:20 pm

1 stop5h 15m

London

Tue 2/10

9:25 am-3:24 pm

1 stop5h 59m

$915

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Tue 2/3

4:05 pm-9:20 pm

1 stop5h 15m

London

Tue 2/10

5:10 am-2:47 pm

2 stops9h 37m

$923

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Tue 2/3

10:30 am-9:20 pm

2 stops10h 50m

London

Tue 2/10

9:25 am-9:37 am

2 stops24h 12m

$924

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Mon 2/2

6:30 am-9:20 pm

2 stops14h 50m

London

Fri 2/6

9:25 am-2:31 pm

2 stops29h 06m

$941

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Mon 2/2

4:05 pm-9:20 pm

1 stop5h 15m

London

Fri 2/6

5:40 pm-10:46 pm

1 stop5h 06m

$947

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Mon 1/19

10:10 am-9:20 pm

2 stops11h 10m

London

Thu 1/22

9:50 am-9:36 pm

2 stops11h 46m

$950

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Mon 2/2

4:05 pm-9:20 pm

1 stop5h 15m

London

Fri 2/6

5:10 am-2:47 pm

2 stops9h 37m

$955

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Mon 1/19

4:35 pm-9:20 pm

1 stop4h 45m

London

Thu 1/22

5:40 pm-10:46 pm

1 stop5h 06m

$1,044

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Mon 1/19

3:01 pm-9:20 pm

2 stops6h 19m

London

Thu 1/22

5:40 pm-10:46 pm

1 stop5h 06m

$1,090

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted 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 8 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	10h 51m
Direct flights	None

The fastest flight from Philadelphia to London, Ontario takes 10h 51m

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

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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 10h 51m.
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 December 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 10,549 reviews		Search Air Canada flights

Grand Bend

Port Stanley

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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.