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Flights to Philadelphia

£247 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 22/4. 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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Find the cheapest flights from the United Kingdom to Philadelphia

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:00 - 18:55
LBA
-
PHL
17h 55m
1 stop
Multiple Airlines Logo
20:25 - 11:25
PHL
-
LBA
10h 00m
1 stop
£464Multiple Airlines
Wed, 15 Apr - Sun, 19 Apr
Multiple Airlines Logo
10:30 - 18:55
EDI
-
PHL
13h 25m
1 stop
Multiple Airlines Logo
20:25 - 14:00
PHL
-
EDI
12h 35m
1 stop
£479Multiple Airlines
Mon, 27 Apr - Mon, 4 May
JetBlue Logo
11:30 - 17:38
EDI
-
PHL
11h 08m
1 stop
JetBlue Logo
18:33 - 10:00
PHL
-
EDI
10h 27m
1 stop
£489JetBlue
Tue, 12 May - Tue, 19 May
Aer Lingus Logo
11:35 - 18:55
MAN
-
PHL
12h 20m
1 stop
Aer Lingus Logo
18:30 - 10:55
PHL
-
MAN
11h 25m
1 stop
£587Aer Lingus
Thu, 30 Apr - Thu, 7 May
Aer Lingus Logo
08:10 - 18:55
MAN
-
PHL
15h 45m
1 stop
Aer Lingus Logo
18:30 - 10:55
PHL
-
MAN
11h 25m
1 stop
£608Aer Lingus
Tue, 5 May - Thu, 7 May
British Airways Logo
05:50 - 12:15
GLA
-
PHL
11h 25m
1 stop
British Airways Logo
19:35 - 12:40
PHL
-
GLA
12h 05m
1 stop
£728British Airways
Fri, 18 Sep - Thu, 24 Sep
British Airways Logo
20:50 - 17:40
GLA
-
PHL
25h 50m
2 stops
British Airways Logo
18:10 - 14:50
PHL
-
GLA
15h 40m
2 stops
£731British Airways
Mon, 11 May - Mon, 18 May
United Airlines Logo
05:55 - 16:05
BHX
-
PHL
15h 10m
1 stop
United Airlines Logo
15:25 - 17:35
PHL
-
BHX
45h 10m
2 stops
£744United Airlines
Mon, 11 May - Mon, 18 May
Finnair Logo
14:35 - 10:52
GLA
-
PHL
25h 17m
2 stops
Finnair Logo
18:45 - 13:15
PHL
-
GLA
13h 30m
1 stop
£749Finnair
Tue, 21 Apr - Tue, 5 May
United Airlines Logo
05:55 - 00:59
BHX
-
PHL
24h 04m
2 stops
United Airlines Logo
15:25 - 17:35
PHL
-
BHX
45h 10m
2 stops
£749United Airlines
Mon, 11 May - Mon, 18 May

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 31 March 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

LeedsPhiladelphia

LBA - PHL

LBAPHL

Leeds/Bradford

Wed 15/4

06:00-18:55

1 stop17h 55m

Philadelphia

Sun 19/4

20:25-11:25

1 stop10h 00m

£464

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

Mon 27/4

10:30-18:55

1 stop13h 25m

Philadelphia

Mon 4/5

20:25-14:00

1 stop12h 35m

£479
Fastest return journey

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

Tue 12/5

11:30-17:38

1 stop11h 08m

Philadelphia

Tue 19/5

18:33-10:00

1 stop10h 27m

£489

ManchesterPhiladelphia

MAN - PHL

MANPHL

Manchester

Thu 30/4

11:35-18:55

1 stop12h 20m

Philadelphia

Thu 7/5

18:30-10:55

1 stop11h 25m

£587

ManchesterPhiladelphia

MAN - PHL

MANPHL

Manchester

Tue 5/5

08:10-18:55

1 stop15h 45m

Philadelphia

Thu 7/5

18:30-10:55

1 stop11h 25m

£608

GlasgowPhiladelphia

GLA - PHL

GLAPHL

Glasgow Intl

Fri 18/9

05:50-12:15

1 stop11h 25m

Philadelphia

Thu 24/9

19:35-12:40

1 stop12h 05m

£728

GlasgowPhiladelphia

GLA - PHL

GLAPHL

Glasgow Intl

Mon 11/5

20:50-17:40

2 stops25h 50m

Philadelphia

Mon 18/5

18:10-14:50

2 stops15h 40m

£731

BirminghamPhiladelphia

BHX - PHL

BHXPHL

Birmingham

Mon 11/5

05:55-16:05

1 stop15h 10m

Philadelphia

Mon 18/5

15:25-17:35

2 stops45h 10m

£744

GlasgowPhiladelphia

GLA - PHL

GLAPHL

Glasgow Intl

Tue 21/4

14:35-10:52

2 stops25h 17m

Philadelphia

Tue 5/5

18:45-13:15

1 stop13h 30m

£749

BirminghamPhiladelphia

BHX - PHL

BHXPHL

Birmingham

Mon 11/5

05:55-00:59

2 stops24h 04m

Philadelphia

Mon 18/5

15:25-17:35

2 stops45h 10m

£749

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 May instead. Flights to Philadelphia in May, while not as cheap as those in September, still average around £538.

What is the absolute cheapest flight to Philadelphia?

£56 is the cheapest deal found on momondo in the last two weeks for a flight to Philadelphia. This flight is from Chicago and is 85% 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 Wednesday is the least expensive day to fly to Philadelphia. Tickets to fly out on this day can be as low as £613. 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 £681.

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 £632. At midday is when there is more demand to fly to Philadelphia, so prices are often more expensive at around £640 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 £581 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 £525 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 AIRPORTSeptember12% cheaperFlying from London Heathrow Airport to Philadelphia costs on average just £514 in September
MOST EXPENSIVE MONTH TO FLY TO PHILADELPHIA FROM LONDON HEATHROW AIRPORTJuly17% more expensiveIt costs about £683 for flights to Philadelphia from London Heathrow Airport in July
MOST POPULAR MONTH TO FLY TO PHILADELPHIA FROM LONDON HEATHROW AIRPORTJuly194% 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

£247

Best Round-Trip Price

£464

Fastest flight time

11h 50m

Popular in

January
The best one-way flight price to Philadelphia from United Kingdom in the last 72 hours is £247 (London Gatwick to Philadelphia).
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The best round-trip flight price to Philadelphia from United Kingdom in the last 72 hours is £464 (Leeds/Bradford to Philadelphia).
Search Deals
The fastest flight to Philadelphia from United Kingdom takes 11h 50m (London City to Philadelphia).
Search Deals
January has the highest demand for flights to Philadelphia, with a 6% 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 20 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 £574. 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 £476 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 £42 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 12 as of March 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
Essington
Reading
Rehoboth Beach
West Chester
Cherry Hill
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.

An easier way to manage your Philadelphia trip

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