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Cheap flights from Philadelphia to London from $423

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.
Multiple Airlines Logo
5:01 am - 2:05 pmPHL  Philadelphia-YXU London
9h 04m1 stop Orlando
Multiple Airlines Logo
8:20 am - 7:04 pmYXU  London-PHL Philadelphia
10h 44m1 stop Orlando
$423Multiple Airlines
Thu, Dec 17 - Thu, Dec 24
Multiple Airlines Logo
6:31 pm - 2:05 pmPHL  Philadelphia-YXU London
43h 34m2 stops Atlanta Hartsfield-Jackson Orlando
Multiple Airlines Logo
8:20 am - 9:15 pmYXU  London-PHL Philadelphia
12h 55m1 stop Orlando
$441Multiple Airlines
Tue, Dec 15 - Tue, Dec 22
Multiple Airlines Logo
4:31 pm - 2:05 pmPHL  Philadelphia-YXU London
21h 34m2 stops Atlanta Hartsfield-Jackson Orlando
Multiple Airlines Logo
6:15 am - 12:18 amYXU  London-PHL Philadelphia
18h 03m1 stop Fort Lauderdale
$442Multiple Airlines
Wed, Dec 16 - Wed, Dec 23
Multiple Airlines Logo
8:00 am - 1:45 pmPHL  Philadelphia-YXU London
29h 45m2 stops Charlotte Douglas Fort Lauderdale
Multiple Airlines Logo
8:20 am - 9:15 pmYXU  London-PHL Philadelphia
12h 55m1 stop Orlando
$451Multiple Airlines
Thu, Dec 17 - Thu, Dec 24
Multiple Airlines Logo
4:26 pm - 2:05 pmPHL  Philadelphia-YXU London
21h 39m1 stop Orlando
Multiple Airlines Logo
6:15 am - 12:18 amYXU  London-PHL Philadelphia
18h 03m1 stop Fort Lauderdale
$478Multiple Airlines
Wed, Dec 16 - Wed, Dec 23
Multiple Airlines Logo
11:12 am - 1:45 pmPHL  Philadelphia-YXU London
26h 33m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale
Multiple Airlines Logo
8:20 am - 11:26 pmYXU  London-PHL Philadelphia
15h 06m2 stops Orlando Atlanta Hartsfield-Jackson
$518Multiple Airlines
Thu, Dec 17 - Thu, Dec 24
Multiple Airlines Logo
5:01 am - 1:45 pmPHL  Philadelphia-YXU London
32h 44m3 stops Orlando Atlanta Hartsfield-Jackson Fort Lauderdale
Multiple Airlines Logo
8:20 am - 11:26 pmYXU  London-PHL Philadelphia
15h 06m2 stops Orlando Atlanta Hartsfield-Jackson
$581Multiple Airlines
Thu, Dec 17 - Thu, Dec 24
Multiple Airlines Logo
5:01 am - 1:45 pmPHL  Philadelphia-YXU London
32h 44m3 stops Orlando Atlanta Hartsfield-Jackson Fort Lauderdale
Multiple Airlines Logo
8:20 am - 1:05 pmYXU  London-PHL Philadelphia
28h 45m3 stops Orlando Cleveland Hopkins Intl Atlanta Hartsfield-Jackson
$632Multiple Airlines
Thu, Dec 17 - Thu, Dec 24
Multiple Airlines Logo
2:30 pm - 10:50 pmPHL  Philadelphia-YXU London
8h 20m1 stop Fort Lauderdale
Multiple Airlines Logo
8:20 am - 12:28 amYXU  London-PHL Philadelphia
16h 08m2 stops Orlando Atlanta Hartsfield-Jackson
$673Multiple Airlines
Wed, Feb 24 - Sat, Feb 27
Multiple Airlines Logo
9:56 pm - 5:35 amPHL  Philadelphia-YXU London
31h 39m2 stops Toronto Pearson Intl Calgary
Multiple Airlines Logo
8:20 am - 11:22 amYXU  London-PHL Philadelphia
27h 02m2 stops Orlando Raleigh-Durham
$938Multiple Airlines
Tue, Dec 15 - Tue, Dec 22

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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
Apr 22
PHL9:15 amPhiladelphia
5h 24m
1 stop
YXU2:39 pmLondon
Apr 24
YXU5:30 amLondon
9h 11m
2 stops
PHL2:41 pmPhiladelphia
$1,090
Air Canada
Feb 24
PHL6:05 amPhiladelphia
8h 37m
2 stops
YXU2:42 pmLondon
Feb 27
YXU5:30 amLondon
9h 14m
2 stops
PHL2:44 pmPhiladelphia
$1,102
Air Canada
Dec 15
PHL5:05 pmPhiladelphia
4h 47m
1 stop
YXU9:52 pmLondon
Dec 22
YXU9:15 amLondon
13h 21m
1 stop
PHL10:36 pmPhiladelphia
$1,105

United Airlines flights from Philadelphia to London, Ontario

Our best United Airlines deals on Philadelphia to London, Ontario flight tickets
United Airlines
Dec 17
PHL9:15 amPhiladelphia
5h 27m
1 stop
YXU2:42 pmLondon
Dec 24
YXU9:15 amLondon
7h 06m
1 stop
PHL4:21 pmPhiladelphia
$1,319
United Airlines
Dec 17
PHL10:37 amPhiladelphia
11h 15m
2 stops
YXU9:52 pmLondon
Dec 24
YXU9:15 amLondon
7h 06m
1 stop
PHL4:21 pmPhiladelphia
$1,329
United Airlines
Dec 17
PHL10:37 amPhiladelphia
11h 15m
2 stops
YXU9:52 pmLondon
Dec 24
YXU5:30 amLondon
12h 14m
2 stops
PHL5:44 pmPhiladelphia
$1,344

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
Quickest round-trip

PhiladelphiaLondon

PHL Philadelphia - YXU London

PHLYXU

Philadelphia

Thu 12/17

5:01 am-2:05 pm

1 stop9h 04m

London

Thu 12/24

8:20 am-7:04 pm

1 stop10h 44m

$423

PhiladelphiaLondon

PHL Philadelphia - YXU London

PHLYXU

Philadelphia

Tue 12/15

6:31 pm-2:05 pm

2 stops43h 34m

London

Tue 12/22

8:20 am-9:15 pm

1 stop12h 55m

$441

PhiladelphiaLondon

PHL Philadelphia - YXU London

PHLYXU

Philadelphia

Wed 12/16

4:31 pm-2:05 pm

2 stops21h 34m

London

Wed 12/23

6:15 am-12:18 am

1 stop18h 03m

$442

PhiladelphiaLondon

PHL Philadelphia - YXU London

PHLYXU

Philadelphia

Thu 12/17

8:00 am-1:45 pm

2 stops29h 45m

London

Thu 12/24

8:20 am-9:15 pm

1 stop12h 55m

$451

PhiladelphiaLondon

PHL Philadelphia - YXU London

PHLYXU

Philadelphia

Wed 12/16

4:26 pm-2:05 pm

1 stop21h 39m

London

Wed 12/23

6:15 am-12:18 am

1 stop18h 03m

$478

PhiladelphiaLondon

PHL Philadelphia - YXU London

PHLYXU

Philadelphia

Thu 12/17

11:12 am-1:45 pm

2 stops26h 33m

London

Thu 12/24

8:20 am-11:26 pm

2 stops15h 06m

$518

PhiladelphiaLondon

PHL Philadelphia - YXU London

PHLYXU

Philadelphia

Thu 12/17

5:01 am-1:45 pm

3 stops32h 44m

London

Thu 12/24

8:20 am-11:26 pm

2 stops15h 06m

$581

PhiladelphiaLondon

PHL Philadelphia - YXU London

PHLYXU

Philadelphia

Thu 12/17

5:01 am-1:45 pm

3 stops32h 44m

London

Thu 12/24

8:20 am-1:05 pm

3 stops28h 45m

$632

PhiladelphiaLondon

PHL Philadelphia - YXU London

PHLYXU

Philadelphia

Wed 2/24

2:30 pm-10:50 pm

1 stop8h 20m

London

Sat 2/27

8:20 am-12:28 am

2 stops16h 08m

$673

PhiladelphiaLondon

PHL Philadelphia - YXU London

PHLYXU

Philadelphia

Tue 12/15

9:56 pm-5:35 am

2 stops31h 39m

London

Tue 12/22

8:20 am-11:22 am

2 stops27h 02m

$938

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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?

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 45% 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

$423

Fastest flight time

4h 39m

Direct flights

None
The best flight deal from Philadelphia to London, Ontario found on momondo in the last 72 hours is $423
The fastest flight from Philadelphia to London, Ontario takes 4h 39m
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 4h 39m.

  • 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.

An easier way to manage your London, Ontario trip

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