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Cheap flights from Philadelphia to the United Kingdom from $197

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 8/16. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
6:30 pm - 7:50 am
PHL
-
GLA
9h 20m
1 stop
Multiple Airlines Logo
7:25 pm - 12:20 am
GLA
-
PHL
33h 55m
2 stops
$735Multiple Airlines
Sun, Oct 25 - Wed, Nov 11
Multiple Airlines Logo
8:25 pm - 11:00 am
PHL
-
MAN
9h 35m
1 stop
Multiple Airlines Logo
7:35 am - 4:00 pm
MAN
-
PHL
37h 25m
2 stops
$739Multiple Airlines
Wed, Oct 21 - Tue, Nov 3
British Airways Logo
7:35 pm - 11:50 am
PHL
-
INV
12h 15m
1 stop
British Airways Logo
7:45 pm - 2:05 pm
INV
-
PHL
23h 20m
2 stops
$746British Airways
Mon, Oct 26 - Mon, Nov 9
British Airways Logo
8:15 pm - 9:40 am
PHL
-
INV
33h 25m
2 stops
British Airways Logo
7:45 pm - 2:05 pm
INV
-
PHL
23h 20m
2 stops
$748British Airways
Mon, Oct 26 - Mon, Nov 9
United Airlines Logo
1:22 pm - 10:20 am
PHL
-
EDI
16h 58m
2 stops
United Airlines Logo
9:25 am - 11:20 pm
EDI
-
PHL
17h 55m
2 stops
$766United Airlines
Tue, Oct 27 - Thu, Oct 29
Delta Logo
9:42 am - 12:45 pm
PHL
-
INV
22h 03m
2 stops
Delta Logo
1:15 pm - 8:07 pm
INV
-
PHL
35h 52m
2 stops
$770Delta
Tue, Nov 17 - Tue, Nov 24
United Airlines Logo
7:40 pm - 10:20 am
PHL
-
EDI
34h 40m
2 stops
United Airlines Logo
9:25 am - 9:42 am
EDI
-
PHL
28h 17m
2 stops
$771United Airlines
Mon, Oct 26 - Thu, Oct 29
Delta Logo
9:42 am - 12:45 pm
PHL
-
INV
22h 03m
2 stops
Delta Logo
1:15 pm - 12:51 am
INV
-
PHL
16h 36m
2 stops
$771Delta
Tue, Nov 17 - Wed, Nov 25
JetBlue Logo
9:12 am - 10:00 am
PHL
-
EDI
19h 48m
1 stop
JetBlue Logo
11:30 am - 8:01 pm
EDI
-
PHL
13h 31m
1 stop
$792JetBlue
Sun, Aug 23 - Tue, Sep 1
JetBlue Logo
9:12 am - 10:00 am
PHL
-
EDI
19h 48m
1 stop
JetBlue Logo
11:30 am - 8:01 pm
EDI
-
PHL
13h 31m
1 stop
$793JetBlue
Sun, Aug 23 - Tue, Sep 1

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JetBlue flights from Philadelphia to United Kingdom

Our best JetBlue deals on Philadelphia to United Kingdom flight tickets
JetBlue
Aug 29
PHL9:00 amPhiladelphia
20h 00m
1 stop
EDI10:00 amEdinburgh Turnhouse
Sep 5
EDI11:30 amEdinburgh Turnhouse
13h 30m
1 stop
PHL8:00 pmPhiladelphia
$836
JetBlue
Aug 12
PHL9:12 amPhiladelphia
19h 23m
1 stop
LGW9:35 amLondon Gatwick
Aug 19
LGW12:20 pmLondon Gatwick
12h 41m
1 stop
PHL8:01 pmPhiladelphia
$871
JetBlue
Sep 2
PHL9:12 amPhiladelphia
16h 18m
1 stop
LHR6:30 amLondon Heathrow
Sep 16
LHR8:40 amLondon Heathrow
14h 08m
1 stop
PHL5:48 pmPhiladelphia
$872

Aer Lingus flights from Philadelphia to United Kingdom

Our best Aer Lingus deals on Philadelphia to United Kingdom flight tickets
Aer Lingus
Nov 16
PHL5:30 pmPhiladelphia
10h 35m
1 stop
LHR9:05 amLondon Heathrow
Nov 20
LHR9:50 amLondon Heathrow
11h 10m
1 stop
PHL4:00 pmPhiladelphia
$892
Aer Lingus
Aug 5
PHL8:25 pmPhiladelphia
9h 15m
1 stop
EDI10:40 amEdinburgh Turnhouse
Aug 14
EDI11:10 amEdinburgh Turnhouse
12h 45m
1 stop
PHL6:55 pmPhiladelphia
$1,060
Aer Lingus
Aug 5
PHL8:25 pmPhiladelphia
9h 15m
1 stop
EDI10:40 amEdinburgh Turnhouse
Aug 14
EDI11:10 amEdinburgh Turnhouse
12h 45m
1 stop
PHL6:55 pmPhiladelphia
$1,066

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 July 25, 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

Cheapest round-trip

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Sun 10/25

6:30 pm-7:50 am

1 stop9h 20m

Glasgow Intl

Wed 11/11

7:25 pm-12:20 am

2 stops33h 55m

$735

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Wed 10/21

8:25 pm-11:00 am

1 stop9h 35m

Manchester

Tue 11/3

7:35 am-4:00 pm

2 stops37h 25m

$739

PhiladelphiaInverness

PHL - INV

PHLINV

Philadelphia

Mon 10/26

7:35 pm-11:50 am

1 stop12h 15m

Inverness

Mon 11/9

7:45 pm-2:05 pm

2 stops23h 20m

$746

PhiladelphiaInverness

PHL - INV

PHLINV

Philadelphia

Mon 10/26

8:15 pm-9:40 am

2 stops33h 25m

Inverness

Mon 11/9

7:45 pm-2:05 pm

2 stops23h 20m

$748

PhiladelphiaEdinburgh

PHL - EDI

PHLEDI

Philadelphia

Tue 10/27

1:22 pm-10:20 am

2 stops16h 58m

Edinburgh Turnhouse

Thu 10/29

9:25 am-11:20 pm

2 stops17h 55m

$766

PhiladelphiaInverness

PHL - INV

PHLINV

Philadelphia

Tue 11/17

9:42 am-12:45 pm

2 stops22h 03m

Inverness

Tue 11/24

1:15 pm-8:07 pm

2 stops35h 52m

$770

PhiladelphiaEdinburgh

PHL - EDI

PHLEDI

Philadelphia

Mon 10/26

7:40 pm-10:20 am

2 stops34h 40m

Edinburgh Turnhouse

Thu 10/29

9:25 am-9:42 am

2 stops28h 17m

$771

PhiladelphiaInverness

PHL - INV

PHLINV

Philadelphia

Tue 11/17

9:42 am-12:45 pm

2 stops22h 03m

Inverness

Wed 11/25

1:15 pm-12:51 am

2 stops16h 36m

$771
Quickest round-trip

PhiladelphiaEdinburgh

PHL - EDI

PHLEDI

Philadelphia

Sun 8/23

9:12 am-10:00 am

1 stop19h 48m

Edinburgh Turnhouse

Tue 9/1

11:30 am-8:01 pm

1 stop13h 31m

$792

PhiladelphiaEdinburgh

PHL - EDI

PHLEDI

Philadelphia

Sun 8/23

9:12 am-10:00 am

1 stop19h 48m

Edinburgh Turnhouse

Tue 9/1

11:30 am-8:01 pm

1 stop13h 31m

$793

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, January 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 $717. If you aren’t able to travel to United Kingdom during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $752.

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 $832. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $1,070.

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 $888. 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 $1,046. 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 from Philadelphia to the 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 $936 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 $708 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 18% 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

$456

Fastest flight time

6h 35m

Direct flights

Every day

Airports in United Kingdom

1,285 airports
The best one-way flight to United Kingdom from Philadelphia in the past 72 hours is $456. The best round-trip flight deal from Philadelphia to United Kingdom found on momondo in the last 72 hours is $904.
The fastest flight from Philadelphia to United Kingdom takes 6h 35m
Direct flights go from Philadelphia to United Kingdom every day.
There are 1,285 airports in United Kingdom. From Philadelphia there are direct flights to London Heathrow (LHR), Edinburgh Turnhouse (EDI).
Search flight deals

Frequently asked questions about flying from Philadelphia to the United Kingdom

  • 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
Aer LingusPriceFrom $484Free CancellationRating
7.3
1,679 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $497Free CancellationRating
6.7
8,132 reviews
Search British Airways flights
American AirlinesPriceFrom $510Free CancellationRating
7.1
11,848 reviews
Search American Airlines flights
FinnairPriceFrom $513Free CancellationRating
7.6
1,423 reviews
Search Finnair flights
IberiaPriceFrom $567Free CancellationRating
7.0
3,256 reviews
Search Iberia flights
LufthansaPriceFrom $622Free CancellationRating
6.8
8,155 reviews
Search Lufthansa flights
JetBluePriceFrom $638Free CancellationRating
7.1
3,024 reviews
Search JetBlue 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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Popular flights according to clicks in the last 7 days on momondo
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