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Cheap flights from Philadelphia to the United Kingdom from $202

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 2/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Philadelphia to the United Kingdom

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:35 pm - 12:50 pm
PHL
-
GLA
13h 15m1 stop
British Airways Logo
8:55 am - 4:15 pm
GLA
-
PHL
12h 20m1 stop
$588British Airways
mié., ene. 28 - mar., feb. 3
British Airways Logo
6:35 pm - 10:55 am
PHL
-
MAN
11h 20m1 stop
British Airways Logo
2:50 pm - 4:15 pm
MAN
-
PHL
30h 25m1 stop
$591British Airways
mié., feb. 4 - lun., feb. 9
Scandinavian Airlines Logo
6:02 am - 4:00 pm
PHL
-
LHR
28h 58m2 stops
Scandinavian Airlines Logo
6:40 am - 9:13 pm
LHR
-
PHL
19h 33m2 stops
$601Scandinavian Airlines
dom., ene. 18 - mar., feb. 24
British Airways Logo
6:35 pm - 3:50 pm
PHL
-
GLA
16h 15m2 stops
British Airways Logo
8:55 am - 4:15 pm
GLA
-
PHL
12h 20m1 stop
$603British Airways
mié., ene. 28 - mar., feb. 3
JetBlue Logo
8:40 am - 6:55 am
PHL
-
LHR
17h 15m1 stop
JetBlue Logo
9:20 am - 6:23 pm
LHR
-
PHL
14h 03m1 stop
$611JetBlue
mié., ene. 21 - mié., ene. 28
American Airlines Logo
8:45 pm - 1:55 pm
PHL
-
MAN
13h 10m1 stop
American Airlines Logo
5:40 am - 2:10 pm
MAN
-
PHL
12h 30m1 stop
$614American Airlines
mié., mar. 11 - jue., mar. 19
JetBlue Logo
8:25 pm - 9:15 am
PHL
-
EDI
31h 50m1 stop
JetBlue Logo
12:10 pm - 2:18 pm
EDI
-
PHL
31h 08m1 stop
$677JetBlue
sáb., may. 2 - mar., may. 12
Aer Lingus Logo
5:30 pm - 11:30 am
PHL
-
EDI
13h 00m1 stop
Aer Lingus Logo
8:20 am - 5:00 pm
EDI
-
PHL
12h 40m1 stop
$689Aer Lingus
dom., mar. 1 - mié., mar. 11
Iberia Logo
7:55 pm - 2:35 pm
PHL
-
LCY
13h 40m1 stop
Iberia Logo
7:50 am - 3:40 pm
LCY
-
PHL
12h 50m1 stop
$767Iberia
lun., ene. 19 - jue., ene. 29
Aer Lingus Logo
6:30 pm - 8:05 am
PHL
-
LBA
9h 35m1 stop
Aer Lingus Logo
8:45 am - 5:00 pm
LBA
-
PHL
12h 15m1 stop
$880Aer Lingus
lun., mar. 23 - sáb., mar. 28

Scandinavian Airlines flights from Philadelphia to United Kingdom

Our best Scandinavian Airlines deals on Philadelphia to United Kingdom flight tickets
Scandinavian Airlines
Jan 18
PHL6:02 amPhiladelphia
28h 58m
2 stops
LHR4:00 pmLondon Heathrow
Feb 24
LHR6:40 amLondon Heathrow
19h 33m
2 stops
PHL9:13 pmPhiladelphia
$601
Find similar
Scandinavian Airlines
Mar 2
PHL6:00 amPhiladelphia
22h 20m
2 stops
LHR9:20 amLondon Heathrow
Mar 9
LHR7:50 pmLondon Heathrow
29h 33m
3 stops
PHL9:23 pmPhiladelphia
$605
Find similar
Scandinavian Airlines
Jan 15
PHL11:30 amPhiladelphia
29h 10m
2 stops
LHR9:40 pmLondon Heathrow
Jan 19
LHR9:05 pmLondon Heathrow
29h 11m
3 stops
PHL9:16 pmPhiladelphia
$608
Find similar

JetBlue flights from Philadelphia to United Kingdom

Our best JetBlue deals on Philadelphia to United Kingdom flight tickets
JetBlue
Jan 21
PHL8:40 amPhiladelphia
17h 15m
1 stop
LHR6:55 amLondon Heathrow
Jan 28
LHR9:20 amLondon Heathrow
14h 03m
1 stop
PHL6:23 pmPhiladelphia
$611
Find similar
JetBlue
Jan 22
PHL1:30 pmPhiladelphia
12h 25m
1 stop
LHR6:55 amLondon Heathrow
Jan 29
LHR9:20 amLondon Heathrow
14h 03m
1 stop
PHL6:23 pmPhiladelphia
$632
Find similar
JetBlue
Mar 11
PHL3:02 pmPhiladelphia
11h 53m
1 stop
LHR6:55 amLondon Heathrow
Mar 25
LHR9:20 amLondon Heathrow
14h 05m
1 stop
PHL7:25 pmPhiladelphia
$638
Find similar

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 diciembre 9, 2025.
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

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

mié. 1/28

6:35 pm-12:50 pm

1 stop13h 15m

Glasgow Intl

mar. 2/3

8:55 am-4:15 pm

1 stop12h 20m

$588

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

mié. 2/4

6:35 pm-10:55 am

1 stop11h 20m

Manchester

lun. 2/9

2:50 pm-4:15 pm

1 stop30h 25m

$591

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

dom. 1/18

6:02 am-4:00 pm

2 stops28h 58m

London Heathrow

mar. 2/24

6:40 am-9:13 pm

2 stops19h 33m

$601

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

mié. 1/28

6:35 pm-3:50 pm

2 stops16h 15m

Glasgow Intl

mar. 2/3

8:55 am-4:15 pm

1 stop12h 20m

$603

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

mié. 1/21

8:40 am-6:55 am

1 stop17h 15m

London Heathrow

mié. 1/28

9:20 am-6:23 pm

1 stop14h 03m

$611

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

mié. 3/11

8:45 pm-1:55 pm

1 stop13h 10m

Manchester

jue. 3/19

5:40 am-2:10 pm

1 stop12h 30m

$614

PhiladelphiaEdinburgh

PHL - EDI

PHLEDI

Philadelphia

sáb. 5/2

8:25 pm-9:15 am

1 stop31h 50m

Edinburgh Turnhouse

mar. 5/12

12:10 pm-2:18 pm

1 stop31h 08m

$677

PhiladelphiaEdinburgh

PHL - EDI

PHLEDI

Philadelphia

dom. 3/1

5:30 pm-11:30 am

1 stop13h 00m

Edinburgh Turnhouse

mié. 3/11

8:20 am-5:00 pm

1 stop12h 40m

$689

PhiladelphiaLondon

PHL - LCY

PHLLCY

Philadelphia

lun. 1/19

7:55 pm-2:35 pm

1 stop13h 40m

London City

jue. 1/29

7:50 am-3:40 pm

1 stop12h 50m

$767

PhiladelphiaLeeds

PHL - LBA

PHLLBA

Philadelphia

lun. 3/23

6:30 pm-8:05 am

1 stop9h 35m

Leeds/Bradford

sáb. 3/28

8:45 am-5:00 pm

1 stop12h 15m

$880

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 $646. If you aren’t able to travel to United Kingdom during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $660.

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 $773. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $974.

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 at noon. momondo users have found flights departing from Philadelphia to United Kingdom at noon for as low as $764. 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 $869. 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 $819 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 $682 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 19% 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

$448

Fastest flight time

6h 40m

Direct flights

Every day

Airports in United Kingdom

2 airports
The best one-way flight to United Kingdom from Philadelphia in the past 72 hours is $448. The best round-trip flight deal from Philadelphia to United Kingdom found on momondo in the last 72 hours is $726.
The fastest flight from Philadelphia to United Kingdom takes 6h 40m
Direct flights go from Philadelphia to United Kingdom every day.
There are 2 airports near United Kingdom: 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
JetBluePriceFrom $503Free CancellationRating
7.2
2,899 reviews
Search JetBlue flights
American AirlinesPriceFrom $505Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
British AirwaysPriceFrom $508Free CancellationRating
6.7
7,573 reviews
Search British Airways flights
FinnairPriceFrom $514Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
Aer LingusPriceFrom $522Free CancellationRating
7.2
1,391 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $560Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
IberiaPriceFrom $578Free CancellationRating
7.0
3,045 reviews
Search Iberia flights
LufthansaPriceFrom $622Free CancellationRating
6.8
7,619 reviews
Search Lufthansa flights
DeltaPriceFrom $784Free CancellationRating
7.9
8,007 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

Popular cities in the United Kingdom

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