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Cheap flights from Philadelphia to the United Kingdom from $167

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 the United Kingdom departing on 2/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
5:30 pm - 7:25 am
PHL
-
EDI
8h 55m
1 stop
Multiple Airlines Logo
8:40 am - 5:00 pm
EDI
-
PHL
12h 20m
1 stop
$530Multiple Airlines
Sun, Mar 1 - Tue, Mar 10
Multiple Airlines Logo
9:15 am - 10:25 am
PHL
-
MAN
20h 10m
2 stops
Multiple Airlines Logo
6:05 am - 2:46 pm
MAN
-
PHL
13h 41m
2 stops
$540Multiple Airlines
Mon, Apr 27 - Wed, Apr 29
British Airways Logo
3:57 pm - 11:25 am
PHL
-
MAN
14h 28m
2 stops
British Airways Logo
7:25 pm - 5:00 pm
MAN
-
PHL
25h 35m
2 stops
$544British Airways
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
8:25 pm - 3:15 pm
PHL
-
GLA
13h 50m
1 stop
Multiple Airlines Logo
7:25 am - 6:55 pm
GLA
-
PHL
16h 30m
1 stop
$544Multiple Airlines
Tue, Apr 28 - Fri, May 8
British Airways Logo
6:35 pm - 11:25 am
PHL
-
MAN
11h 50m
1 stop
British Airways Logo
7:25 pm - 2:55 pm
MAN
-
PHL
23h 30m
2 stops
$547British Airways
Tue, Mar 3 - Tue, Mar 10
American Airlines Logo
7:40 pm - 2:00 pm
PHL
-
MAN
13h 20m
1 stop
American Airlines Logo
4:20 pm - 4:15 pm
MAN
-
PHL
28h 55m
1 stop
$565American Airlines
Mon, Feb 16 - Mon, Feb 23
Iberia Logo
1:49 pm - 7:00 am
PHL
-
LHR
12h 11m
1 stop
Iberia Logo
8:50 pm - 2:05 pm
LHR
-
PHL
46h 15m
2 stops
$589Iberia
Sun, Feb 1 - Mon, Feb 9
American Airlines Logo
7:50 pm - 7:50 am
PHL
-
LHR
7h 00mnonstop
American Airlines Logo
10:15 am - 1:30 pm
LHR
-
PHL
8h 15mnonstop
$597American Airlines
Sun, Feb 1 - Tue, Feb 10
Aer Lingus Logo
6:00 am - 8:45 am
PHL
-
SOU
21h 45m
2 stops
Aer Lingus Logo
9:30 am - 9:39 am
SOU
-
PHL
28h 09m
2 stops
$939Aer Lingus
Thu, Mar 5 - Thu, Mar 12
Aer Lingus Logo
5:30 pm - 8:45 am
PHL
-
SOU
10h 15m
1 stop
Aer Lingus Logo
9:30 am - 9:39 am
SOU
-
PHL
28h 09m
2 stops
$957Aer Lingus
Sat, Mar 7 - Sat, Mar 14

Air Canada flights from Philadelphia to United Kingdom

Our best Air Canada deals on Philadelphia to United Kingdom flight tickets
Air Canada
Mar 9
PHL3:30 pmPhiladelphia
25h 05m
2 stops
LHR8:35 pmLondon Heathrow
Mar 17
LHR9:00 amLondon Heathrow
17h 46m
2 stops
PHL10:46 pmPhiladelphia
$588
Air Canada
Feb 11
PHL10:30 amPhiladelphia
15h 40m
2 stops
LHR7:10 amLondon Heathrow
Feb 17
LHR9:00 amLondon Heathrow
18h 46m
2 stops
PHL10:46 pmPhiladelphia
$592
Air Canada
Feb 1
PHL3:30 pmPhiladelphia
14h 50m
2 stops
LHR11:20 amLondon Heathrow
Feb 10
LHR6:50 amLondon Heathrow
12h 57m
2 stops
PHL2:47 pmPhiladelphia
$594

Iberia flights from Philadelphia to United Kingdom

Our best Iberia deals on Philadelphia to United Kingdom flight tickets
Iberia
Feb 1
PHL1:49 pmPhiladelphia
12h 11m
1 stop
LHR7:00 amLondon Heathrow
Feb 9
LHR8:50 pmLondon Heathrow
46h 15m
2 stops
PHL2:05 pmPhiladelphia
$589
Iberia
Jan 28
PHL1:49 pmPhiladelphia
12h 11m
1 stop
LHR7:00 amLondon Heathrow
Feb 2
LHR7:40 pmLondon Heathrow
28h 47m
2 stops
PHL7:27 pmPhiladelphia
$591
Iberia
Jan 25
PHL1:49 pmPhiladelphia
12h 11m
1 stop
LHR7:00 amLondon Heathrow
Feb 3
LHR10:15 amLondon Heathrow
8h 15m
PHL1:30 pmPhiladelphia
$597

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to United Kingdom that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 21, 2026.
Use the filters below to find and compare flights from Philadelphia to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaEdinburgh

PHL - EDI

PHLEDI

Philadelphia

Sun 3/1

5:30 pm-7:25 am

1 stop8h 55m

Edinburgh Turnhouse

Tue 3/10

8:40 am-5:00 pm

1 stop12h 20m

$530

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Mon 4/27

9:15 am-10:25 am

2 stops20h 10m

Manchester

Wed 4/29

6:05 am-2:46 pm

2 stops13h 41m

$540

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Tue 3/3

3:57 pm-11:25 am

2 stops14h 28m

Manchester

Tue 3/10

7:25 pm-5:00 pm

2 stops25h 35m

$544

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Tue 4/28

8:25 pm-3:15 pm

1 stop13h 50m

Glasgow Intl

Fri 5/8

7:25 am-6:55 pm

1 stop16h 30m

$544

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Tue 3/3

6:35 pm-11:25 am

1 stop11h 50m

Manchester

Tue 3/10

7:25 pm-2:55 pm

2 stops23h 30m

$547

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Mon 2/16

7:40 pm-2:00 pm

1 stop13h 20m

Manchester

Mon 2/23

4:20 pm-4:15 pm

1 stop28h 55m

$565

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Sun 2/1

1:49 pm-7:00 am

1 stop12h 11m

London Heathrow

Mon 2/9

8:50 pm-2:05 pm

2 stops46h 15m

$589

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Sun 2/1

7:50 pm-7:50 am

Nonstop7h 00m

London Heathrow

Tue 2/10

10:15 am-1:30 pm

Nonstop8h 15m

$597

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Thu 3/5

6:00 am-8:45 am

2 stops21h 45m

Southampton Eastleigh

Thu 3/12

9:30 am-9:39 am

2 stops28h 09m

$939

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Sat 3/7

5:30 pm-8:45 am

1 stop10h 15m

Southampton Eastleigh

Sat 3/14

9:30 am-9:39 am

2 stops28h 09m

$957

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Philadelphia to United Kingdom

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 month to fly to United Kingdom?

In general, September is the cheapest month to fly from Philadelphia to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $648. If you aren’t able to travel to United Kingdom during the month of September, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $663.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Philadelphia to United Kingdom is on a Wednesday when prices can be found for as low as $768. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $987.

What is the cheapest time of day to depart on your flight to United Kingdom?

According to our data, the cheapest time of day to fly to United Kingdom is in the afternoon. momondo users have found flights departing from Philadelphia to United Kingdom in the afternoon for as low as $851. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly in the evening, with an average ticket price of $873. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Philadelphia to United Kingdom flight route?

Fly from Philadelphia to London Heathrow for the best Philadelphia - United Kingdom flight prices

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $825 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Philadelphia for as low as $691 on momondo.

What cabin class options are available on Philadelphia to United Kingdom flights?

There are 4 cabin classes available to choose from on Philadelphia to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Philadelphia to United Kingdom flights?

You could potentially save up to 28% on your flight if you consider stops on a Philadelphia to United Kingdom flight.

Cheap Philadelphia to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to United Kingdom

Best Price Found

$356

Fastest flight time

6h 40m

Direct flights

Every day

Airports in United Kingdom

1,286 airports
The best one-way flight to United Kingdom from Philadelphia in the past 72 hours is $356. The best round-trip flight deal from Philadelphia to United Kingdom found on momondo in the last 72 hours is $681.
The fastest flight from Philadelphia to United Kingdom takes 6h 40m
Direct flights go from Philadelphia to United Kingdom every day.
There are 1,286 airports in United Kingdom. From Philadelphia there are direct flights to London Heathrow (LHR), Edinburgh Turnhouse (EDI).
Search flight deals

  • When did momondo last update prices for flights from Philadelphia Airport to United Kingdom?

    Prices for flights from Philadelphia Airport to United Kingdom are updated daily.

  • How many operators does momondo search for flights from Philadelphia Airport to United Kingdom?

  • How old do you have to be to fly from Philadelphia Airport to United Kingdom?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Philadelphia to United Kingdom?

Best airlines flying from Philadelphia to United Kingdom

Compare and see reviews for airlines that fly from Philadelphia to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $506Free CancellationRating
7.2
11,172 reviews
Search American Airlines flights
British AirwaysPriceFrom $507Free CancellationRating
6.7
7,690 reviews
Search British Airways flights
FinnairPriceFrom $515Free CancellationRating
7.6
1,353 reviews
Search Finnair flights
Aer LingusPriceFrom $522Free CancellationRating
7.2
1,440 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $560Free CancellationRating
7.4
9,190 reviews
Search United Airlines flights
JetBluePriceFrom $580Free CancellationRating
7.2
2,890 reviews
Search JetBlue flights
IberiaPriceFrom $595Free CancellationRating
7.0
3,094 reviews
Search Iberia flights
LufthansaPriceFrom $622Free CancellationRating
6.8
7,736 reviews
Search Lufthansa flights
DeltaPriceFrom $766Free CancellationRating
7.9
8,085 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to United Kingdom?

It is quick and easy to find Philadelphia to United Kingdom 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 United Kingdom that suits you.

Can I find flights from Philadelphia to United Kingdom with flexible booking policies on momondo?

Yes. All flights to United Kingdom from Philadelphia on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Philadelphia to United Kingdom?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Philadelphia to United Kingdom.

I’m not ready to book a flight from Philadelphia to United Kingdom right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Philadelphia to United Kingdom flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United Kingdom

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Popular flights according to clicks in the last 7 days on momondo
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