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Flights to Philadelphia

£291 Cheap flights to Philadelphia

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Philadelphia departing on 1/9. 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

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Find the cheapest flights from the United Kingdom to Philadelphia

Cheap return flights

Enter your travel dates to find the best prices.
JetBlue Logo
11:30 - 20:05
EDI
-
PHL
13h 35m
1 stop
JetBlue Logo
09:20 - 10:00
PHL
-
EDI
19h 40m
1 stop
£495JetBlue
Tue, 7 Jul - Tue, 14 Jul
JetBlue Logo
11:30 - 20:00
EDI
-
PHL
13h 30m
1 stop
JetBlue Logo
08:28 - 10:00
PHL
-
EDI
20h 32m
1 stop
£504JetBlue
Mon, 31 Aug - Mon, 7 Sep
British Airways Logo
10:50 - 16:40
MAN
-
PHL
10h 50m
1 stop
British Airways Logo
18:45 - 09:45
PHL
-
MAN
10h 00m
1 stop
£555British Airways
Thu, 10 Sep - Sat, 19 Sep
Aer Lingus Logo
12:20 - 18:55
BHX
-
PHL
11h 35m
1 stop
Aer Lingus Logo
20:25 - 11:50
PHL
-
BHX
10h 25m
1 stop
£582Aer Lingus
Wed, 8 Jul - Wed, 29 Jul
Aer Lingus Logo
08:10 - 18:55
BHX
-
PHL
15h 45m
1 stop
Aer Lingus Logo
20:25 - 16:05
PHL
-
BHX
14h 40m
1 stop
£591Aer Lingus
Tue, 7 Jul - Sun, 26 Jul
British Airways Logo
12:30 - 15:25
LHR
-
PHL
7h 55mdirect
British Airways Logo
17:30 - 08:00
PHL
-
LHR
9h 30m
1 stop
£633British Airways
Sat, 20 Jun - Wed, 1 Jul
American Airlines Logo
13:00 - 21:24
LHR
-
PHL
13h 24m
1 stop
American Airlines Logo
16:55 - 09:05
PHL
-
LHR
11h 10m
1 stop
£640American Airlines
Mon, 6 Jul - Mon, 13 Jul
United Airlines Logo
09:30 - 16:05
LHR
-
PHL
11h 35m
1 stop
United Airlines Logo
13:00 - 07:55
PHL
-
LHR
13h 55m
1 stop
£643United Airlines
Mon, 6 Jul - Wed, 9 Dec
United Airlines Logo
14:00 - 10:02
GLA
-
PHL
25h 02m
2 stops
United Airlines Logo
09:30 - 10:10
PHL
-
GLA
19h 40m
2 stops
£658United Airlines
Wed, 9 Sep - Sun, 13 Sep
American Airlines Logo
09:50 - 16:15
GLA
-
PHL
11h 25m
1 stop
American Airlines Logo
16:00 - 10:45
PHL
-
GLA
13h 45m
2 stops
£665American Airlines
Tue, 10 Nov - Mon, 16 Nov

momondo Fare Finder

 
Locate flights to Philadelphia that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 279,928 searches and data was last updated on 9 June 2026.
Use the filters below to find and compare flights to Philadelphia that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

Tue 7/7

11:30-20:05

1 stop13h 35m

Philadelphia

Tue 14/7

09:20-10:00

1 stop19h 40m

£495

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

Mon 31/8

11:30-20:00

1 stop13h 30m

Philadelphia

Mon 7/9

08:28-10:00

1 stop20h 32m

£504

ManchesterPhiladelphia

MAN - PHL

MANPHL

Manchester

Thu 10/9

10:50-16:40

1 stop10h 50m

Philadelphia

Sat 19/9

18:45-09:45

1 stop10h 00m

£555

BirminghamPhiladelphia

BHX - PHL

BHXPHL

Birmingham

Wed 8/7

12:20-18:55

1 stop11h 35m

Philadelphia

Wed 29/7

20:25-11:50

1 stop10h 25m

£582

BirminghamPhiladelphia

BHX - PHL

BHXPHL

Birmingham

Tue 7/7

08:10-18:55

1 stop15h 45m

Philadelphia

Sun 26/7

20:25-16:05

1 stop14h 40m

£591
Fastest return journey

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Sat 20/6

12:30-15:25

Nonstop7h 55m

Philadelphia

Wed 1/7

17:30-08:00

1 stop9h 30m

£633

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 6/7

13:00-21:24

1 stop13h 24m

Philadelphia

Mon 13/7

16:55-09:05

1 stop11h 10m

£640

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 6/7

09:30-16:05

1 stop11h 35m

Philadelphia

Wed 9/12

13:00-07:55

1 stop13h 55m

£643

GlasgowPhiladelphia

GLA - PHL

GLAPHL

Glasgow Intl

Wed 9/9

14:00-10:02

2 stops25h 02m

Philadelphia

Sun 13/9

09:30-10:10

2 stops19h 40m

£658

GlasgowPhiladelphia

GLA - PHL

GLAPHL

Glasgow Intl

Tue 10/11

09:50-16:15

1 stop11h 25m

Philadelphia

Mon 16/11

16:00-10:45

2 stops13h 45m

£665

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Philadelphia from

Philadelphia flights insights and trends

Explore insights for your Philadelphia flight to craft the best travel plan

What is the cheapest month to fly to Philadelphia?

If you aren’t able to travel during the month of September, then book flights to Philadelphia from United Kingdom during January instead. Flights to Philadelphia in January, while not as cheap as those in September, still average around £546.

What is the absolute cheapest flight to Philadelphia?

£74 is the cheapest deal found on momondo in the last two weeks for a flight to Philadelphia. This flight is from Chicago and is 79% cheaper than most flights to Philadelphia. To find the cheapest price to Philadelphia from your area, use momondo’s Airport-to-Airport Pricing Tool.

See prices from:

What is the cheapest day to depart on your flight to Philadelphia?

Our data shows that Tuesday is the least expensive day to fly to Philadelphia. Tickets to fly out on this day can be as low as £611. On the other hand, Sunday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £689.

What is the cheapest time of day to depart on your flight to Philadelphia?

The cheapest time of day to fly to Philadelphia is in the morning when flights can be purchased for as low as £637. At midday is when there is more demand to fly to Philadelphia, so prices are often more expensive at around £646 per ticket.

How far in advance should I book a flight to Philadelphia?

You are more likely to see cheaper flights to Philadelphia from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around £621 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from United Kingdom for as low as £551 on momondo.

Cheapest flights to Philadelphia

Find the cheapest flights to Philadelphia from your nearest city or airport
Find flights from London Heathrow Airport to Philadelphia
CHEAPEST MONTH TO FLY TO PHILADELPHIA FROM LONDON HEATHROW AIRPORTSeptember15% cheaperFlying from London Heathrow Airport to Philadelphia costs on average just £534 in September
MOST EXPENSIVE MONTH TO FLY TO PHILADELPHIA FROM LONDON HEATHROW AIRPORTJuly16% more expensiveIt costs about £726 for flights to Philadelphia from London Heathrow Airport in July
MOST POPULAR MONTH TO FLY TO PHILADELPHIA FROM LONDON HEATHROW AIRPORTJuly232% more users visitedMore momondo users searched in flights to Philadelphia from London Heathrow Airport in July than any other month

Cheap Philadelphia flight deals and tips

Summary info about Philadelphia flight prices, duration and airlines

Best One-Way Price

£291

Best Round-Trip Price

£495

Fastest flight time

12h 40m

Popular in

July
The best one-way flight price to Philadelphia from United Kingdom in the last 5 days is £291 (Edinburgh Turnhouse to Philadelphia).
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The best round-trip flight price to Philadelphia from United Kingdom in the last 5 days is £495 (Edinburgh Turnhouse to Philadelphia).
Search Deals
The fastest flight to Philadelphia from United Kingdom takes 12h 40m (London Gatwick to Philadelphia).
Search Deals
July has the highest demand for flights to Philadelphia, with a 5% price increase on average.
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Frequently asked questions about flying to Philadelphia

How far in advance should I book a flight to Philadelphia?

Most flyers found that booking tickets 12 days in advance of their planned departure date is the best time to get cheap flights to Philadelphia. During this timeframe, flight prices are around £621. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from United Kingdom for as low as £492 on momondo.

Is there an alternative airport near Philadelphia?

Finding an alternative and possibly cheaper destination airport near Philadelphia is possible. If you are planning a flight to Philadelphia, consider booking flights to Philadelphia Airport (7 mi from Philadelphia city centre), Trenton-Mercer Airport (29 mi from Philadelphia city centre), Greater Wilmington Airport (31 mi from Philadelphia city centre), Atlantic City Airport (46 mi from Philadelphia city centre) or Newark Airport (73 mi from Philadelphia city centre).

Is there a cheaper alternative to flying into Philadelphia?

With an average price of £72 per person, Atlantic City Airport is the cheapest airport to fly into when planning your trip to Philadelphia. This price can fluctuate based on where you are flying from. momondo’s Airport-to-Airport Pricing Tool can help users find the best prices.

When did momondo last update prices for flights to Philadelphia Airport?

Prices for flights to Philadelphia Airport are updated daily.

How many operators does momondo search for flights to Philadelphia Airport?

The number of operators available for flights to Philadelphia Airport is 11 as of June 2026.

How old do you have to be to fly to Philadelphia Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The travel and health documents required for your trip to Philadelphia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Philadelphia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Newark
Vineland
King of Prussia
Dover
Reading
Rehoboth Beach
Essington
Ephrata
Cherry Hill
West Chester
Dewey Beach

Why use momondo?

Why should I use momondo to find a flight deal to Philadelphia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to Philadelphia. Millions of users trust and use momondo every year so you are in good company.

Can I find flights to Philadelphia with flexible booking policies on momondo?

Yes. All flights to Philadelphia on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights to Philadelphia?

momondo provides multiple filters to help you find the best flight to Philadelphia. Filter by price, airline, airport, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight to Philadelphia right now. Can momondo alert me if prices change?

Yes. momondo can track flight prices for Philadelphia 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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