Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Philadelphia to the United Kingdom from $177

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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Philadelphia to the United Kingdom

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:25 pm - 9:00 pm
PHL
-
EDI
19h 35m
1 stop
Multiple Airlines Logo
9:20 am - 6:55 pm
EDI
-
PHL
14h 35m
1 stop
$565Multiple Airlines
Sun, Apr 19 - Wed, Apr 29
Multiple Airlines Logo
9:15 am - 9:00 pm
PHL
-
EDI
30h 45m
2 stops
Multiple Airlines Logo
7:20 am - 3:44 pm
EDI
-
PHL
13h 24m
2 stops
$572Multiple Airlines
Sun, Apr 19 - Wed, Apr 29
British Airways Logo
9:57 pm - 10:30 pm
PHL
-
GLA
19h 33m
2 stops
British Airways Logo
8:55 am - 5:15 pm
GLA
-
PHL
12h 20m
1 stop
$608British Airways
Tue, Mar 3 - Tue, Mar 10
British Airways Logo
9:57 pm - 10:30 pm
PHL
-
GLA
19h 33m
2 stops
British Airways Logo
7:25 am - 5:15 pm
GLA
-
PHL
13h 50m
1 stop
$610British Airways
Tue, Mar 3 - Tue, Mar 10
American Airlines Logo
7:40 pm - 1:55 pm
PHL
-
MAN
13h 15m
1 stop
American Airlines Logo
6:10 am - 2:35 pm
MAN
-
PHL
12h 25m
1 stop
$621American Airlines
Wed, Mar 4 - Wed, Mar 11
American Airlines Logo
8:40 pm - 2:15 pm
PHL
-
GLA
13h 35m
1 stop
American Airlines Logo
8:55 am - 8:34 pm
GLA
-
PHL
15h 39m
2 stops
$623American Airlines
Wed, Mar 18 - Tue, Mar 24
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
$625JetBlue
Sun, Mar 1 - Tue, Mar 10
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
$648JetBlue
Sun, Mar 1 - Tue, Mar 10
United Airlines Logo
7:45 pm - 5:40 pm
PHL
-
BHX
16h 55m
2 stops
United Airlines Logo
5:55 am - 4:05 pm
BHX
-
PHL
15h 10m
1 stop
$672United Airlines
Sun, Apr 19 - Tue, Apr 28
United Airlines Logo
6:04 am - 5:40 pm
PHL
-
BHX
30h 36m
2 stops
United Airlines Logo
6:05 am - 2:46 pm
BHX
-
PHL
13h 41m
2 stops
$675United Airlines
Sun, Apr 19 - Wed, Apr 29

JetBlue flights from Philadelphia to United Kingdom

Our best JetBlue deals on Philadelphia to United Kingdom flight tickets
JetBlue
Mar 1
PHL6:00 amPhiladelphia
19h 55m
1 stop
LHR6:55 amLondon Heathrow
Mar 10
LHR9:20 amLondon Heathrow
17h 16m
1 stop
PHL10:36 pmPhiladelphia
$625
JetBlue
Mar 1
PHL6:00 amPhiladelphia
19h 55m
1 stop
LHR6:55 amLondon Heathrow
Mar 10
LHR9:20 amLondon Heathrow
17h 16m
1 stop
PHL10:36 pmPhiladelphia
$648
JetBlue
Mar 2
PHL6:00 amPhiladelphia
19h 55m
1 stop
LHR6:55 amLondon Heathrow
Mar 9
LHR9:20 amLondon Heathrow
17h 16m
1 stop
PHL10:36 pmPhiladelphia
$650

Scandinavian Airlines flights from Philadelphia to United Kingdom

Our best Scandinavian Airlines deals on Philadelphia to United Kingdom flight tickets
Scandinavian Airlines
Mar 10
PHL11:16 amPhiladelphia
24h 44m
2 stops
LHR4:00 pmLondon Heathrow
Mar 17
LHR6:40 amLondon Heathrow
18h 43m
2 stops
PHL9:23 pmPhiladelphia
$689
Scandinavian Airlines
Jul 22
PHL1:20 pmPhiladelphia
14h 05m
2 stops
GLA8:25 amGlasgow Intl
Aug 13
GLA9:10 amGlasgow Intl
15h 48m
2 stops
PHL7:58 pmPhiladelphia
$711
Scandinavian Airlines
Feb 17
PHL6:00 amPhiladelphia
29h 00m
2 stops
LHR4:00 pmLondon Heathrow
Feb 26
LHR7:05 amLondon Heathrow
20h 45m
3 stops
PHL10:50 pmPhiladelphia
$867

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 February 5, 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 4/19

8:25 pm-9:00 pm

1 stop19h 35m

Edinburgh Turnhouse

Wed 4/29

9:20 am-6:55 pm

1 stop14h 35m

$565

PhiladelphiaEdinburgh

PHL - EDI

PHLEDI

Philadelphia

Sun 4/19

9:15 am-9:00 pm

2 stops30h 45m

Edinburgh Turnhouse

Wed 4/29

7:20 am-3:44 pm

2 stops13h 24m

$572

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Tue 3/3

9:57 pm-10:30 pm

2 stops19h 33m

Glasgow Intl

Tue 3/10

8:55 am-5:15 pm

1 stop12h 20m

$608

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Tue 3/3

9:57 pm-10:30 pm

2 stops19h 33m

Glasgow Intl

Tue 3/10

7:25 am-5:15 pm

1 stop13h 50m

$610

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Wed 3/4

7:40 pm-1:55 pm

1 stop13h 15m

Manchester

Wed 3/11

6:10 am-2:35 pm

1 stop12h 25m

$621

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Wed 3/18

8:40 pm-2:15 pm

1 stop13h 35m

Glasgow Intl

Tue 3/24

8:55 am-8:34 pm

2 stops15h 39m

$623

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Sun 3/1

6:00 am-6:55 am

1 stop19h 55m

London Heathrow

Tue 3/10

9:20 am-10:36 pm

1 stop17h 16m

$625

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Sun 3/1

6:00 am-6:55 am

1 stop19h 55m

London Heathrow

Tue 3/10

9:20 am-10:36 pm

1 stop17h 16m

$648

PhiladelphiaBirmingham

PHL - BHX

PHLBHX

Philadelphia

Sun 4/19

7:45 pm-5:40 pm

2 stops16h 55m

Birmingham

Tue 4/28

5:55 am-4:05 pm

1 stop15h 10m

$672

PhiladelphiaBirmingham

PHL - BHX

PHLBHX

Philadelphia

Sun 4/19

6:04 am-5:40 pm

2 stops30h 36m

Birmingham

Wed 4/29

6:05 am-2:46 pm

2 stops13h 41m

$675

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $655. 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 $993.

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 $841. 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 $876. 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 $827 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 $689 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 9% 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

$373

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 $373. The best round-trip flight deal from Philadelphia to United Kingdom found on momondo in the last 72 hours is $628.
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 $506Free CancellationRating
6.7
7,716 reviews
Search British Airways flights
American AirlinesPriceFrom $513Free CancellationRating
7.2
11,240 reviews
Search American Airlines flights
FinnairPriceFrom $515Free CancellationRating
7.6
1,357 reviews
Search Finnair flights
Aer LingusPriceFrom $522Free CancellationRating
7.2
1,445 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $560Free CancellationRating
7.4
9,241 reviews
Search United Airlines flights
JetBluePriceFrom $589Free CancellationRating
7.2
2,895 reviews
Search JetBlue flights
IberiaPriceFrom $593Free CancellationRating
7.0
3,104 reviews
Search Iberia flights
LufthansaPriceFrom $649Free CancellationRating
6.8
7,762 reviews
Search Lufthansa 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.

An easier way to manage your United Kingdom trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 3/7
Sat 3/14
By creating a price alert you accept our terms of use and privacy policy.

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
Flights to Londonfrom $341
Flights to Manchesterfrom $376
Flights to Edinburghfrom $354
Flights to Birminghamfrom $397
Flights to Glasgowfrom $359
Flights to Newcastle upon Tynefrom $517
Flights to Belfastfrom $451
Flights to Bristolfrom $390
Flights to Invernessfrom $423
Flights to Liverpoolfrom $438
Flights to Aberdeenfrom $533
Flights to Leedsfrom $446