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Cheap flights from Philadelphia to the United Kingdom from $184

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 2/5. 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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0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
3:30 pm - 4:00 pmPHL-GLA
19h 30m3 stops
Multiple Airlines Logo
8:45 pm - 2:47 pmGLA-PHL
23h 02m3 stops
$564Multiple Airlines
Find Deal
Mon, Jan 12 - Wed, Jan 21
British Airways Logo
6:35 pm - 3:50 pmPHL-GLA
16h 15m1 stop
British Airways Logo
8:25 pm - 5:15 pmGLA-PHL
24h 50m1 stop
$593British Airways
Find Deal
Wed, Jan 14 - Mon, Mar 23
British Airways Logo
3:45 pm - 12:50 pmPHL-GLA
16h 05m2 stops
British Airways Logo
3:25 pm - 3:05 pmGLA-PHL
27h 40m2 stops
$600British Airways
Find Deal
Wed, Jan 14 - Mon, Mar 23
British Airways Logo
3:45 pm - 12:50 pmPHL-GLA
16h 05m2 stops
British Airways Logo
3:25 pm - 5:15 pmGLA-PHL
29h 50m1 stop
$604British Airways
Find Deal
Wed, Jan 14 - Mon, Mar 23
JetBlue Logo
1:30 pm - 6:55 amPHL-LHR
12h 25m1 stop
JetBlue Logo
9:20 am - 6:23 pmLHR-PHL
14h 03m1 stop
$634JetBlue
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Thu, Feb 5 - Mon, Feb 9
Lufthansa Logo
5:35 pm - 5:20 pmPHL-MAN
18h 45m1 stop
Lufthansa Logo
6:05 am - 4:00 pmMAN-PHL
14h 55m1 stop
$641Lufthansa
Find Deal
Tue, Apr 7 - Tue, Apr 14
American Airlines Logo
4:41 pm - 10:45 amPHL-GLA
14h 04m2 stops
American Airlines Logo
9:25 am - 3:30 pmGLA-PHL
11h 05m1 stop
$647American Airlines
Find Deal
Wed, Mar 18 - Wed, Apr 1
JetBlue Logo
8:40 am - 6:55 amPHL-LHR
17h 15m1 stop
JetBlue Logo
9:20 am - 10:45 pmLHR-PHL
18h 25m1 stop
$649JetBlue
Find Deal
Wed, Feb 4 - Wed, Feb 25
American Airlines Logo
10:20 pm - 2:40 pmPHL-EDI
11h 20m1 stop
American Airlines Logo
11:35 am - 2:00 pmEDI-PHL
7h 25mnonstop
$675American Airlines
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Wed, May 13 - Wed, May 20
Delta Logo
5:32 pm - 4:45 pmPHL-LBA
18h 13m2 stops
Delta Logo
6:10 am - 4:28 pmLBA-PHL
15h 18m2 stops
$732Delta
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Wed, Jan 7 - Wed, Jan 14

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
22h 18m
2 stops
LHR9:20 amLondon Heathrow
Jan 22
LHR7:05 amLondon Heathrow
22h 16m
3 stops
PHL12:21 amPhiladelphia
$631
Find similar
Scandinavian Airlines
Jan 11
PHL6:02 amPhiladelphia
25h 53m
3 stops
LHR12:55 pmLondon Heathrow
Jan 20
LHR6:40 amLondon Heathrow
19h 36m
3 stops
PHL9:16 pmPhiladelphia
$632
Find similar
Scandinavian Airlines
Jan 11
PHL6:02 amPhiladelphia
25h 53m
3 stops
LHR12:55 pmLondon Heathrow
Jan 14
LHR9:05 pmLondon Heathrow
29h 11m
3 stops
PHL9:16 pmPhiladelphia
$641
Find similar

JetBlue flights from Philadelphia to United Kingdom

Our best JetBlue deals on Philadelphia to United Kingdom flight tickets
JetBlue
Mar 11
PHL3:02 pmPhiladelphia
11h 53m
1 stop
LHR6:55 amLondon Heathrow
Mar 25
LHR9:20 amLondon Heathrow
16h 27m
1 stop
PHL9:47 pmPhiladelphia
$634
Find similar
JetBlue
Mar 8
PHL6:00 amPhiladelphia
20h 55m
1 stop
LHR6:55 amLondon Heathrow
Mar 16
LHR9:20 amLondon Heathrow
16h 27m
1 stop
PHL9:47 pmPhiladelphia
$635
Find similar
JetBlue
Feb 4
PHL8:40 amPhiladelphia
17h 15m
1 stop
LHR6:55 amLondon Heathrow
Feb 25
LHR9:20 amLondon Heathrow
18h 25m
1 stop
PHL10:45 pmPhiladelphia
$649
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 November 25, 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

Mon 1/12

3:30 pm-4:00 pm

3 stops19h 30m

Glasgow Intl

Wed 1/21

8:45 pm-2:47 pm

3 stops23h 02m

$564

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Wed 1/14

6:35 pm-3:50 pm

1 stop16h 15m

Glasgow Intl

Mon 3/23

8:25 pm-5:15 pm

1 stop24h 50m

$593

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Wed 1/14

3:45 pm-12:50 pm

2 stops16h 05m

Glasgow Intl

Mon 3/23

3:25 pm-3:05 pm

2 stops27h 40m

$600

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Wed 1/14

3:45 pm-12:50 pm

2 stops16h 05m

Glasgow Intl

Mon 3/23

3:25 pm-5:15 pm

1 stop29h 50m

$604

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Thu 2/5

1:30 pm-6:55 am

1 stop12h 25m

London Heathrow

Mon 2/9

9:20 am-6:23 pm

1 stop14h 03m

$634

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Tue 4/7

5:35 pm-5:20 pm

1 stop18h 45m

Manchester

Tue 4/14

6:05 am-4:00 pm

1 stop14h 55m

$641

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Wed 3/18

4:41 pm-10:45 am

2 stops14h 04m

Glasgow Intl

Wed 4/1

9:25 am-3:30 pm

1 stop11h 05m

$647

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Wed 2/4

8:40 am-6:55 am

1 stop17h 15m

London Heathrow

Wed 2/25

9:20 am-10:45 pm

1 stop18h 25m

$649

PhiladelphiaEdinburgh

PHL - EDI

PHLEDI

Philadelphia

Wed 5/13

10:20 pm-2:40 pm

1 stop11h 20m

Edinburgh Turnhouse

Wed 5/20

11:35 am-2:00 pm

Nonstop7h 25m

$675

PhiladelphiaLeeds

PHL - LBA

PHLLBA

Philadelphia

Wed 1/7

5:32 pm-4:45 pm

2 stops18h 13m

Leeds/Bradford

Wed 1/14

6:10 am-4:28 pm

2 stops15h 18m

$732

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 $648. 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 $659.

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 $776. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $988.

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 afternoon, with an average ticket price of $879. Departure times in the afternoon 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 $814 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 $696 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 30% 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

$462

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 $462. The best round-trip flight deal from Philadelphia to United Kingdom found on momondo in the last 72 hours is $727.
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
2,905 reviews
Search JetBlue flights
American AirlinesPriceFrom $505Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
British AirwaysPriceFrom $509Free CancellationRating
6.7
7,539 reviews
Search British Airways flights
FinnairPriceFrom $514Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
Aer LingusPriceFrom $523Free CancellationRating
7.2
1,381 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $560Free CancellationRating
7.4
9,046 reviews
Search United Airlines flights
IberiaPriceFrom $579Free CancellationRating
7.0
3,034 reviews
Search Iberia flights
LufthansaPriceFrom $622Free CancellationRating
6.8
7,594 reviews
Search Lufthansa flights
DeltaPriceFrom $784Free CancellationRating
7.9
7,998 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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