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Cheap flights from Philadelphia to the United Kingdom from $193

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 3/24. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:15 am - 11:20 am
PHL
-
MAN
21h 05m
2 stops
Multiple Airlines Logo
8:30 pm - 4:05 pm
MAN
-
PHL
24h 35m
2 stops
$549Multiple Airlines
mié., abr. 15 - mié., abr. 29
Multiple Airlines Logo
4:25 pm - 7:35 pm
PHL
-
EDI
22h 10m
2 stops
Multiple Airlines Logo
6:15 am - 4:05 pm
EDI
-
PHL
14h 50m
2 stops
$550Multiple Airlines
mar., abr. 7 - mar., abr. 14
British Airways Logo
9:57 pm - 10:30 pm
PHL
-
GLA
20h 33m
2 stops
British Airways Logo
3:40 pm - 12:05 pm
GLA
-
PHL
25h 25m
1 stop
$607British Airways
mar., mar. 24 - mar., mar. 31
British Airways Logo
7:48 pm - 3:10 pm
PHL
-
MAN
15h 22m
2 stops
British Airways Logo
8:15 pm - 1:40 pm
MAN
-
PHL
22h 25m
2 stops
$609British Airways
lun., mar. 23 - lun., mar. 30
American Airlines Logo
7:40 pm - 10:45 am
PHL
-
GLA
10h 05m
1 stop
American Airlines Logo
6:25 am - 1:15 pm
GLA
-
PHL
11h 50m
1 stop
$610American Airlines
lun., feb. 23 - mar., mar. 3
American Airlines Logo
4:45 pm - 10:45 am
PHL
-
GLA
13h 00m
2 stops
American Airlines Logo
6:25 am - 1:15 pm
GLA
-
PHL
11h 50m
1 stop
$615American Airlines
lun., feb. 23 - mar., mar. 3
JetBlue Logo
6:00 am - 6:55 am
PHL
-
LHR
19h 55m
1 stop
JetBlue Logo
9:20 am - 10:36 pm
LHR
-
PHL
17h 16m
1 stop
$641JetBlue
lun., mar. 2 - mar., mar. 10
JetBlue Logo
3:02 pm - 6:55 am
PHL
-
LHR
10h 53m
1 stop
JetBlue Logo
9:20 am - 10:36 pm
LHR
-
PHL
18h 16m
1 stop
$648JetBlue
sáb., feb. 28 - mié., mar. 4
Iberia Logo
7:45 pm - 2:35 pm
PHL
-
LCY
14h 50m
1 stop
Iberia Logo
7:50 am - 4:55 pm
LCY
-
PHL
13h 05m
1 stop
$735Iberia
lun., mar. 9 - mié., mar. 18
Iberia Logo
7:45 pm - 2:35 pm
PHL
-
LCY
14h 50m
1 stop
Iberia Logo
7:15 pm - 4:55 pm
LCY
-
PHL
25h 40m
1 stop
$746Iberia
lun., mar. 9 - lun., mar. 16

Aer Lingus flights from Philadelphia to United Kingdom

Our best Aer Lingus deals on Philadelphia to United Kingdom flight tickets
Aer Lingus
Mar 10
PHL6:30 pmPhiladelphia
10h 35m
1 stop
LHR9:05 amLondon Heathrow
Mar 12
LHR9:50 amLondon Heathrow
11h 10m
1 stop
PHL5:00 pmPhiladelphia
$699
Aer Lingus
Mar 4
PHL5:30 pmPhiladelphia
14h 20m
1 stop
BHX12:50 pmBirmingham
Mar 10
BHX9:10 amBirmingham
11h 50m
1 stop
PHL5:00 pmPhiladelphia
$712
Aer Lingus
Mar 26
PHL6:30 pmPhiladelphia
10h 10m
1 stop
BHX8:40 amBirmingham
Apr 2
BHX8:10 amBirmingham
15h 45m
1 stop
PHL6:55 pmPhiladelphia
$798

British Airways flights from Philadelphia to United Kingdom

Our best British Airways deals on Philadelphia to United Kingdom flight tickets
British Airways
Mar 24
PHL9:57 pmPhiladelphia
20h 33m
2 stops
GLA10:30 pmGlasgow Intl
Mar 31
GLA3:40 pmGlasgow Intl
25h 25m
1 stop
PHL12:05 pmPhiladelphia
$607
British Airways
Mar 23
PHL7:48 pmPhiladelphia
15h 22m
2 stops
MAN3:10 pmManchester
Mar 30
MAN8:15 pmManchester
22h 25m
2 stops
PHL1:40 pmPhiladelphia
$609
British Airways
Mar 9
PHL9:50 pmPhiladelphia
13h 20m
2 stops
MAN3:10 pmManchester
Mar 16
MAN6:50 pmManchester
26h 25m
1 stop
PHL5:15 pmPhiladelphia
$616

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 febrero 12, 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

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

mié. 4/15

9:15 am-11:20 am

2 stops21h 05m

Manchester

mié. 4/29

8:30 pm-4:05 pm

2 stops24h 35m

$549

PhiladelphiaEdinburgh

PHL - EDI

PHLEDI

Philadelphia

mar. 4/7

4:25 pm-7:35 pm

2 stops22h 10m

Edinburgh Turnhouse

mar. 4/14

6:15 am-4:05 pm

2 stops14h 50m

$550

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

mar. 3/24

9:57 pm-10:30 pm

2 stops20h 33m

Glasgow Intl

mar. 3/31

3:40 pm-12:05 pm

1 stop25h 25m

$607

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

lun. 3/23

7:48 pm-3:10 pm

2 stops15h 22m

Manchester

lun. 3/30

8:15 pm-1:40 pm

2 stops22h 25m

$609

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

lun. 2/23

7:40 pm-10:45 am

1 stop10h 05m

Glasgow Intl

mar. 3/3

6:25 am-1:15 pm

1 stop11h 50m

$610

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

lun. 2/23

4:45 pm-10:45 am

2 stops13h 00m

Glasgow Intl

mar. 3/3

6:25 am-1:15 pm

1 stop11h 50m

$615

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

lun. 3/2

6:00 am-6:55 am

1 stop19h 55m

London Heathrow

mar. 3/10

9:20 am-10:36 pm

1 stop17h 16m

$641

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

sáb. 2/28

3:02 pm-6:55 am

1 stop10h 53m

London Heathrow

mié. 3/4

9:20 am-10:36 pm

1 stop18h 16m

$648

PhiladelphiaLondon

PHL - LCY

PHLLCY

Philadelphia

lun. 3/9

7:45 pm-2:35 pm

1 stop14h 50m

London City

mié. 3/18

7:50 am-4:55 pm

1 stop13h 05m

$735

PhiladelphiaLondon

PHL - LCY

PHLLCY

Philadelphia

lun. 3/9

7:45 pm-2:35 pm

1 stop14h 50m

London City

lun. 3/16

7:15 pm-4:55 pm

1 stop25h 40m

$746

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 November is also cheap. Prices for this month can be found on momondo for an average of $655.

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 $1,004.

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 $838. 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 $882. 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 $826 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 $683 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 41% 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

$374

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 $374. The best round-trip flight deal from Philadelphia to United Kingdom found on momondo in the last 72 hours is $633.
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 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
British AirwaysPriceFrom $505Free CancellationRating
6.7
7,733 reviews
Search British Airways flights
American AirlinesPriceFrom $513Free CancellationRating
7.2
11,272 reviews
Search American Airlines flights
FinnairPriceFrom $514Free CancellationRating
7.6
1,360 reviews
Search Finnair flights
Aer LingusPriceFrom $522Free CancellationRating
7.2
1,449 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $560Free CancellationRating
7.4
9,281 reviews
Search United Airlines flights
JetBluePriceFrom $589Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights
IberiaPriceFrom $593Free CancellationRating
7.0
3,113 reviews
Search Iberia flights
LufthansaPriceFrom $622Free CancellationRating
6.8
7,780 reviews
Search Lufthansa flights
DeltaPriceFrom $766Free CancellationRating
7.9
8,183 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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