Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Philadelphia to the United Kingdom from $183

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.
Virgin Atlantic Logo
2:30 pm - 8:40 am
PHL
-
MAN
13h 10m1 stop
Virgin Atlantic Logo
1:30 pm - 12:24 am
MAN
-
PHL
15h 54m1 stop
$537Virgin Atlantic
Sun, Jan 25 - Tue, Feb 17
British Airways Logo
4:44 pm - 3:00 pm
PHL
-
MAN
17h 16m2 stops
British Airways Logo
6:30 pm - 1:55 pm
MAN
-
PHL
24h 25m2 stops
$545British Airways
Wed, Feb 4 - Wed, Feb 11
British Airways Logo
4:44 pm - 3:00 pm
PHL
-
MAN
17h 16m2 stops
British Airways Logo
5:25 pm - 1:55 pm
MAN
-
PHL
25h 30m2 stops
$546British Airways
Wed, Feb 4 - Wed, Feb 11
Iberia Logo
4:44 pm - 5:15 pm
PHL
-
LHR
19h 31m2 stops
Iberia Logo
7:40 pm - 7:27 pm
LHR
-
PHL
28h 47m2 stops
$605Iberia
Wed, Jan 21 - Mon, Jan 26
Iberia Logo
7:45 pm - 2:05 pm
PHL
-
LCY
13h 20m1 stop
Iberia Logo
7:50 am - 3:25 pm
LCY
-
PHL
12h 35m1 stop
$605Iberia
Tue, Feb 17 - Wed, Feb 25
JetBlue Logo
8:40 am - 6:55 am
PHL
-
LHR
17h 15m1 stop
JetBlue Logo
9:20 am - 6:38 pm
LHR
-
PHL
14h 18m1 stop
$606JetBlue
Tue, Jan 20 - Sat, Jan 24
American Airlines Logo
7:50 pm - 7:50 am
PHL
-
LHR
7h 00mnonstop
American Airlines Logo
7:50 am - 2:05 pm
LHR
-
PHL
11h 15m1 stop
$613American Airlines
Wed, Jan 21 - Sun, Jan 25
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
$632Aer Lingus
Sun, Mar 1 - Tue, Mar 10
JetBlue Logo
6:33 pm - 9:20 am
PHL
-
EDI
9h 47m1 stop
JetBlue Logo
11:30 am - 5:38 pm
EDI
-
PHL
11h 08m1 stop
$659JetBlue
Mon, Apr 27 - Thu, May 7
Aer Lingus Logo
9:25 pm - 6:40 pm
PHL
-
BRS
16h 15m1 stop
Aer Lingus Logo
8:20 am - 5:00 pm
BRS
-
PHL
12h 40m1 stop
$880Aer Lingus
Sun, Jan 18 - Thu, Mar 19

Air Canada flights from Philadelphia to United Kingdom

Our best Air Canada deals on Philadelphia to United Kingdom flight tickets
Air Canada
Apr 5
PHL9:15 amPhiladelphia
16h 15m
2 stops
LHR6:30 amLondon Heathrow
May 6
LHR8:40 amLondon Heathrow
17h 53m
2 stops
PHL9:33 pmPhiladelphia
$608
Find similar
Air Canada
Mar 27
PHL3:30 pmPhiladelphia
48h 30m
2 stops
LHR8:00 pmLondon Heathrow
Apr 9
LHR12:40 pmLondon Heathrow
31h 06m
2 stops
PHL2:46 pmPhiladelphia
$617
Find similar
Air Canada
Feb 4
PHL3:30 pmPhiladelphia
12h 50m
2 stops
LHR9:20 amLondon Heathrow
Feb 9
LHR9:00 amLondon Heathrow
18h 46m
2 stops
PHL10:46 pmPhiladelphia
$639
Find similar

Delta flights from Philadelphia to United Kingdom

Our best Delta deals on Philadelphia to United Kingdom flight tickets
Delta
Jan 24
PHL5:57 pmPhiladelphia
31h 28m
1 stop
LHR6:25 amLondon Heathrow
Feb 13
LHR9:40 amLondon Heathrow
12h 17m
1 stop
PHL4:57 pmPhiladelphia
$609
Find similar
Delta
Apr 1
PHL5:33 pmPhiladelphia
10h 42m
1 stop
LHR9:15 amLondon Heathrow
Apr 7
LHR8:40 amLondon Heathrow
17h 43m
2 stops
PHL9:23 pmPhiladelphia
$618
Find similar
Delta
Apr 1
PHL5:18 pmPhiladelphia
14h 52m
2 stops
LHR1:10 pmLondon Heathrow
Apr 8
LHR6:30 amLondon Heathrow
18h 19m
2 stops
PHL7:49 pmPhiladelphia
$623
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 January 7, 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

Sun 1/25

2:30 pm-8:40 am

1 stop13h 10m

Manchester

Tue 2/17

1:30 pm-12:24 am

1 stop15h 54m

$537

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Wed 2/4

4:44 pm-3:00 pm

2 stops17h 16m

Manchester

Wed 2/11

6:30 pm-1:55 pm

2 stops24h 25m

$545

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Wed 2/4

4:44 pm-3:00 pm

2 stops17h 16m

Manchester

Wed 2/11

5:25 pm-1:55 pm

2 stops25h 30m

$546

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Wed 1/21

4:44 pm-5:15 pm

2 stops19h 31m

London Heathrow

Mon 1/26

7:40 pm-7:27 pm

2 stops28h 47m

$605

PhiladelphiaLondon

PHL - LCY

PHLLCY

Philadelphia

Tue 2/17

7:45 pm-2:05 pm

1 stop13h 20m

London City

Wed 2/25

7:50 am-3:25 pm

1 stop12h 35m

$605

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Tue 1/20

8:40 am-6:55 am

1 stop17h 15m

London Heathrow

Sat 1/24

9:20 am-6:38 pm

1 stop14h 18m

$606

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Wed 1/21

7:50 pm-7:50 am

Nonstop7h 00m

London Heathrow

Sun 1/25

7:50 am-2:05 pm

1 stop11h 15m

$613

PhiladelphiaEdinburgh

PHL - EDI

PHLEDI

Philadelphia

Sun 3/1

5:30 pm-11:30 am

1 stop13h 00m

Edinburgh Turnhouse

Tue 3/10

8:20 am-5:00 pm

1 stop12h 40m

$632

PhiladelphiaEdinburgh

PHL - EDI

PHLEDI

Philadelphia

Mon 4/27

6:33 pm-9:20 am

1 stop9h 47m

Edinburgh Turnhouse

Thu 5/7

11:30 am-5:38 pm

1 stop11h 08m

$659

PhiladelphiaBristol

PHL - BRS

PHLBRS

Philadelphia

Sun 1/18

9:25 pm-6:40 pm

1 stop16h 15m

Bristol

Thu 3/19

8:20 am-5:00 pm

1 stop12h 40m

$880

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 $647. 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 $662.

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 $770. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $980.

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 $858. 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 $874. 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 $828 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 $684 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

$411

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 $411. The best round-trip flight deal from Philadelphia to United Kingdom found on momondo in the last 72 hours is $688.
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 $508Free CancellationRating
6.7
7,657 reviews
Search British Airways flights
American AirlinesPriceFrom $508Free CancellationRating
7.2
11,094 reviews
Search American Airlines flights
FinnairPriceFrom $515Free CancellationRating
7.6
1,346 reviews
Search Finnair flights
Aer LingusPriceFrom $522Free CancellationRating
7.2
1,427 reviews
Search Aer Lingus flights
Air CanadaPriceFrom $556Free CancellationRating
7.1
10,603 reviews
Search Air Canada flights
United AirlinesPriceFrom $560Free CancellationRating
7.4
9,139 reviews
Search United Airlines flights
JetBluePriceFrom $580Free CancellationRating
7.2
2,895 reviews
Search JetBlue flights
IberiaPriceFrom $595Free CancellationRating
7.0
3,076 reviews
Search Iberia flights
LufthansaPriceFrom $622Free CancellationRating
6.8
7,692 reviews
Search Lufthansa flights
DeltaPriceFrom $766Free CancellationRating
7.9
8,025 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.

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
Fri 2/6
Fri 2/13
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 $324
Flights to Manchesterfrom $389
Flights to Edinburghfrom $368
Flights to Birminghamfrom $374
Flights to Glasgowfrom $392
Flights to Newcastle upon Tynefrom $463
Flights to Belfastfrom $482
Flights to Bristolfrom $416
Flights to Invernessfrom $387
Flights to Liverpoolfrom $438
Flights to Aberdeenfrom $491
Flights to Leedsfrom $429