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Cheap flights from Philadelphia to London from $284

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Philadelphia to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:05 am - 5:43 pmPHL  Philadelphia-YXU London
7h 38m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Air Canada Logo
6:20 pm - 10:46 pmYXU  London-PHL Philadelphia
4h 26m1 stop Toronto Pearson Intl
$833Air Canada
Tue, Oct 6 - Sat, Oct 10
Air Canada Logo
10:05 am - 5:43 pmPHL  Philadelphia-YXU London
7h 38m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Air Canada Logo
3:30 pm - 9:32 pmYXU  London-PHL Philadelphia
6h 02m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
$841Air Canada
Tue, Oct 6 - Sat, Oct 10
Air Canada Logo
7:00 am - 7:40 pmPHL  Philadelphia-YXU London
12h 40m1 stop Toronto Pearson Intl
Air Canada Logo
6:20 pm - 10:46 pmYXU  London-PHL Philadelphia
4h 26m1 stop Toronto Pearson Intl
$848Air Canada
Tue, Oct 6 - Sat, Oct 10
Air Canada Logo
10:05 am - 5:43 pmPHL  Philadelphia-YXU London
7h 38m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Air Canada Logo
9:05 am - 3:41 pmYXU  London-PHL Philadelphia
6h 36m1 stop Toronto Pearson Intl
$857Air Canada
Tue, Oct 6 - Sat, Oct 10
United Airlines Logo
6:15 am - 2:50 pmPHL  Philadelphia-YXU London
8h 35m2 stops Washington, D.C. Dulles Intl Toronto Pearson Intl
United Airlines Logo
9:15 am - 9:40 pmYXU  London-PHL Philadelphia
12h 25m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$1,010United Airlines
Mon, Oct 19 - Mon, Oct 26
United Airlines Logo
4:20 pm - 9:40 pmPHL  Philadelphia-YXU London
5h 20m1 stop Toronto Pearson Intl
United Airlines Logo
10:05 am - 3:41 pmYXU  London-PHL Philadelphia
5h 36m1 stop Toronto Pearson Intl
$1,019United Airlines
Thu, Oct 1 - Thu, Oct 8
United Airlines Logo
6:10 am - 2:50 pmPHL  Philadelphia-YXU London
8h 40m2 stops Chicago O'Hare Intl Toronto Pearson Intl
United Airlines Logo
6:20 pm - 10:46 pmYXU  London-PHL Philadelphia
4h 26m1 stop Toronto Pearson Intl
$1,029United Airlines
Thu, Oct 1 - Thu, Oct 8
United Airlines Logo
6:15 am - 2:50 pmPHL  Philadelphia-YXU London
8h 35m2 stops Washington, D.C. Dulles Intl Toronto Pearson Intl
United Airlines Logo
9:15 am - 6:51 pmYXU  London-PHL Philadelphia
9h 36m3 stops Toronto Pearson Intl Raleigh-Durham Washington, D.C. Dulles Intl
$1,369United Airlines
Tue, Oct 20 - Tue, Oct 27
United Airlines Logo
1:01 pm - 9:47 pmPHL  Philadelphia-YXU London
8h 46m2 stops Chicago O'Hare Intl Toronto Pearson Intl
United Airlines Logo
9:15 am - 6:40 pmYXU  London-PHL Philadelphia
9h 25m3 stops Toronto Pearson Intl Raleigh-Durham Washington, D.C. Dulles Intl
$2,037United Airlines
Sun, Jan 3 - Sat, Jan 9

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Air Canada flights from Philadelphia to London, Ontario

Our best Air Canada deals on Philadelphia to London, Ontario flight tickets
Air Canada
Oct 6
PHL10:05 amPhiladelphia
7h 38m
2 stops
YXU5:43 pmLondon
Oct 10
YXU6:20 pmLondon
4h 26m
1 stop
PHL10:46 pmPhiladelphia
$833
Air Canada
Oct 6
PHL10:05 amPhiladelphia
7h 38m
2 stops
YXU5:43 pmLondon
Oct 10
YXU3:30 pmLondon
6h 02m
2 stops
PHL9:32 pmPhiladelphia
$841
Air Canada
Oct 6
PHL7:00 amPhiladelphia
12h 40m
1 stop
YXU7:40 pmLondon
Oct 10
YXU6:20 pmLondon
4h 26m
1 stop
PHL10:46 pmPhiladelphia
$848

United Airlines flights from Philadelphia to London, Ontario

Our best United Airlines deals on Philadelphia to London, Ontario flight tickets
United Airlines
Oct 19
PHL6:15 amPhiladelphia
8h 35m
2 stops
YXU2:50 pmLondon
Oct 26
YXU9:15 amLondon
12h 25m
2 stops
PHL9:40 pmPhiladelphia
$1,010
United Airlines
Oct 1
PHL4:20 pmPhiladelphia
5h 20m
1 stop
YXU9:40 pmLondon
Oct 8
YXU10:05 amLondon
5h 36m
1 stop
PHL3:41 pmPhiladelphia
$1,019
United Airlines
Oct 1
PHL6:10 amPhiladelphia
8h 40m
2 stops
YXU2:50 pmLondon
Oct 8
YXU6:20 pmLondon
4h 26m
1 stop
PHL10:46 pmPhiladelphia
$1,029

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

Cheapest round-trip

PhiladelphiaLondon

PHL Philadelphia - YXU London

PHLYXU

Philadelphia

Tue 10/6

10:05 am-5:43 pm

2 stops7h 38m

London

Sat 10/10

6:20 pm-10:46 pm

1 stop4h 26m

$833

PhiladelphiaLondon

PHL Philadelphia - YXU London

PHLYXU

Philadelphia

Tue 10/6

10:05 am-5:43 pm

2 stops7h 38m

London

Sat 10/10

3:30 pm-9:32 pm

2 stops6h 02m

$841

PhiladelphiaLondon

PHL Philadelphia - YXU London

PHLYXU

Philadelphia

Tue 10/6

7:00 am-7:40 pm

1 stop12h 40m

London

Sat 10/10

6:20 pm-10:46 pm

1 stop4h 26m

$848

PhiladelphiaLondon

PHL Philadelphia - YXU London

PHLYXU

Philadelphia

Tue 10/6

10:05 am-5:43 pm

2 stops7h 38m

London

Sat 10/10

9:05 am-3:41 pm

1 stop6h 36m

$857

PhiladelphiaLondon

PHL Philadelphia - YXU London

PHLYXU

Philadelphia

Mon 10/19

6:15 am-2:50 pm

2 stops8h 35m

London

Mon 10/26

9:15 am-9:40 pm

2 stops12h 25m

$1,010
Quickest round-trip

PhiladelphiaLondon

PHL Philadelphia - YXU London

PHLYXU

Philadelphia

Thu 10/1

4:20 pm-9:40 pm

1 stop5h 20m

London

Thu 10/8

10:05 am-3:41 pm

1 stop5h 36m

$1,019

PhiladelphiaLondon

PHL Philadelphia - YXU London

PHLYXU

Philadelphia

Thu 10/1

6:10 am-2:50 pm

2 stops8h 40m

London

Thu 10/8

6:20 pm-10:46 pm

1 stop4h 26m

$1,029

PhiladelphiaLondon

PHL Philadelphia - YXU London

PHLYXU

Philadelphia

Tue 10/20

6:15 am-2:50 pm

2 stops8h 35m

London

Tue 10/27

9:15 am-6:51 pm

3 stops9h 36m

$1,369

PhiladelphiaLondon

PHL Philadelphia - YXU London

PHLYXU

Philadelphia

Sun 1/3

1:01 pm-9:47 pm

2 stops8h 46m

London

Sat 1/9

9:15 am-6:40 pm

3 stops9h 25m

$2,037
Cheapest one-way

PhiladelphiaLondon

PHL Philadelphia - YXU London

PHLYXU

Philadelphia

Mon 10/19

8:30 am-5:20 am

2 stops44h 50m

$284

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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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?

Air Canada is the most popular carrier operating from Philadelphia to London

What airlines fly to London, Ontario?

Air Canada, Porter Airlines and United 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

Best Price Found

$284

Fastest flight time

5h 20m

Direct flights

None
The best one-way flight to London, Ontario from Philadelphia in the past 72 hours is $284. The best round-trip flight deal from Philadelphia to London, Ontario found on momondo in the last 72 hours is $833.
The fastest flight from Philadelphia to London, Ontario takes 5h 20m
There are no direct flights from Philadelphia to London, Ontario. There are no popular flight routes from Philadelphia to London, Ontario.
Search flight deals

Frequently asked questions about flying from Philadelphia to London, Ontario

  • 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 5h 20m.

  • 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 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.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
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.

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