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 September 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.

$385 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

5:30 am - 5:12 amPHL-YXU

23h 42m2 stops

5:40 pm - 4:10 pmYXU-PHL

22h 30m1 stop

$675

Find Deal

Fri, Oct 24 - Sun, Nov 2

3:48 pm - 9:21 pmPHL-YXU

29h 33m2 stops

5:45 am - 11:09 pmYXU-PHL

17h 24m2 stops

$764United Airlines

Find Deal

Wed, Oct 29 - Wed, Nov 5

3:48 pm - 9:21 pmPHL-YXU

29h 33m2 stops

5:40 pm - 10:56 pmYXU-PHL

5h 16m1 stop

$863United Airlines

Find Deal

Wed, Oct 29 - Wed, Nov 5

3:45 pm - 9:27 pmPHL-YXU

29h 42m2 stops

5:45 am - 11:09 pmYXU-PHL

17h 24m2 stops

$870United Airlines

Find Deal

Fri, Oct 24 - Sun, Nov 2

4:35 pm - 9:21 pmPHL-YXU

4h 46m1 stop

5:40 pm - 10:56 pmYXU-PHL

5h 16m1 stop

$871Air Canada

Find Deal

Wed, Oct 29 - Wed, Nov 5

1:58 pm - 7:12 pmPHL-YXU

29h 14m3 stops

8:10 pm - 10:09 amYXU-PHL

37h 59m3 stops

$872

Find Deal

Wed, Oct 29 - Wed, Nov 5

4:50 pm - 9:27 pmPHL-YXU

4h 37m1 stop

9:25 am - 3:51 pmYXU-PHL

6h 26m1 stop

$911Air Canada

Find Deal

Fri, Oct 24 - Sun, Nov 2

5:33 am - 5:12 amPHL-YXU

23h 39m3 stops

8:00 pm - 11:17 pmYXU-PHL

27h 17m3 stops

$963

Find Deal

Fri, Oct 24 - Sun, Nov 2

4:35 pm - 9:21 pmPHL-YXU

4h 46m1 stop

5:40 pm - 10:56 pmYXU-PHL

5h 16m1 stop

$1,000United Airlines

Find Deal

Mon, Nov 24 - Fri, Nov 28

United Airlines flights from Philadelphia to London, Ontario

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

United Airlines

Oct 29

PHL3:48 pmPhiladelphia

29h 33m

2 stops

YXU9:21 pmLondon

Nov 5

YXU5:45 amLondon

17h 24m

2 stops

PHL11:09 pmPhiladelphia

$764

Find similar

United Airlines

Oct 29

PHL3:48 pmPhiladelphia

29h 33m

2 stops

YXU9:21 pmLondon

Nov 5

YXU5:40 pmLondon

5h 16m

1 stop

PHL10:56 pmPhiladelphia

$863

Find similar

United Airlines

Oct 24

PHL3:45 pmPhiladelphia

29h 42m

2 stops

YXU9:27 pmLondon

Nov 2

YXU5:45 amLondon

17h 24m

2 stops

PHL11:09 pmPhiladelphia

$870

Find similar

Air Canada flights from Philadelphia to London, Ontario

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

Air Canada

Oct 29

PHL4:35 pmPhiladelphia

4h 46m

1 stop

YXU9:21 pmLondon

Nov 5

YXU5:40 pmLondon

5h 16m

1 stop

PHL10:56 pmPhiladelphia

$871

Find similar

Air Canada

Oct 24

PHL4:50 pmPhiladelphia

4h 37m

1 stop

YXU9:27 pmLondon

Nov 2

YXU9:25 amLondon

6h 26m

1 stop

PHL3:51 pmPhiladelphia

$911

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 10/24

5:30 am-5:12 am

2 stops23h 42m

London

Sun 11/2

5:40 pm-4:10 pm

1 stop22h 30m

$675

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Wed 10/29

3:48 pm-9:21 pm

2 stops29h 33m

London

Wed 11/5

5:45 am-11:09 pm

2 stops17h 24m

$764

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Wed 10/29

3:48 pm-9:21 pm

2 stops29h 33m

London

Wed 11/5

5:40 pm-10:56 pm

1 stop5h 16m

$863

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Fri 10/24

3:45 pm-9:27 pm

2 stops29h 42m

London

Sun 11/2

5:45 am-11:09 pm

2 stops17h 24m

$870

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Wed 10/29

4:35 pm-9:21 pm

1 stop4h 46m

London

Wed 11/5

5:40 pm-10:56 pm

1 stop5h 16m

$871

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Wed 10/29

1:58 pm-7:12 pm

3 stops29h 14m

London

Wed 11/5

8:10 pm-10:09 am

3 stops37h 59m

$872

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Fri 10/24

4:50 pm-9:27 pm

1 stop4h 37m

London

Sun 11/2

9:25 am-3:51 pm

1 stop6h 26m

$911

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Fri 10/24

5:33 am-5:12 am

3 stops23h 39m

London

Sun 11/2

8:00 pm-11:17 pm

3 stops27h 17m

$963

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Mon 11/24

4:35 pm-9:21 pm

1 stop4h 46m

London

Fri 11/28

5:40 pm-10:56 pm

1 stop5h 16m

$1,000

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Thu 10/30

9:45 am-5:06 pm

2 stops31h 21m

$385

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 is the cheapest airline that flies from Philadelphia to London?

United Airlines and Air Canada are the most popular carriers operating from Philadelphia to London

What airlines fly to London, Ontario?

Air Canada, United Airlines and American 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 37m.
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 September 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 10,000 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 $385

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to London departing on 10/30. 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

Cheap round-trip flights

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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 is the cheapest airline that flies from Philadelphia to London?

United Airlines and Air Canada are the most popular carriers operating from Philadelphia to London

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

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