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.

$946 Cheap Flights from Philadelphia to London in 2025/26

1 adult

0 bags

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Find the cheapest flights from Philadelphia to London

Round-trip

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:35 pm - 9:21 pmPHL-YXU

4h 46m1 stop

9:25 am - 3:49 pmYXU-PHL

6h 24m1 stop

$946Air Canada

Find Deal

Fri, Dec 19 - Fri, Dec 26

4:35 pm - 9:21 pmPHL-YXU

4h 46m1 stop

5:10 am - 2:50 pmYXU-PHL

9h 40m2 stops

$951Air Canada

Find Deal

Fri, Dec 19 - Fri, Dec 26

6:00 am - 8:46 amPHL-YXU

26h 46m2 stops

9:25 am - 11:30 pmYXU-PHL

14h 05m2 stops

$969United Airlines

Find Deal

Fri, Dec 19 - Fri, Dec 26

12:19 pm - 3:35 pmPHL-YXU

27h 16m3 stops

7:30 am - 5:51 pmYXU-PHL

34h 21m3 stops

$2,119Multiple Airlines

Find Deal

Fri, Dec 19 - Fri, Dec 26

Air Canada flights from Philadelphia to London, Ontario

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

Air Canada

Dec 19

PHL4:35 pmPhiladelphia

4h 46m

1 stop

YXU9:21 pmLondon

Dec 26

YXU9:25 amLondon

6h 24m

1 stop

PHL3:49 pmPhiladelphia

$946

Find similar

Air Canada

Dec 19

PHL4:35 pmPhiladelphia

4h 46m

1 stop

YXU9:21 pmLondon

Dec 26

YXU5:10 amLondon

9h 40m

2 stops

PHL2:50 pmPhiladelphia

$951

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

Fri 12/19

4:35 pm-9:21 pm

1 stop4h 46m

London

Fri 12/26

9:25 am-3:49 pm

1 stop6h 24m

$946

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Fri 12/19

4:35 pm-9:21 pm

1 stop4h 46m

London

Fri 12/26

5:10 am-2:50 pm

2 stops9h 40m

$951

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Fri 12/19

6:00 am-8:46 am

2 stops26h 46m

London

Fri 12/26

9:25 am-11:30 pm

2 stops14h 05m

$969

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Fri 12/19

12:19 pm-3:35 pm

3 stops27h 16m

London

Fri 12/26

7:30 am-5:51 pm

3 stops34h 21m

$2,119

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

Direct flights	None

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 10,403 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.