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Cheap flights from the United Kingdom to Philadelphia from £222

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PHL
3 Apr — 10 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Philadelphia

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Philadelphia
Explore the most affordable flight options available from United Kingdom to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 March 2026.

Tue 5/511:30
EDI
-
PHL
1 stop11h 08m
JetBlue
Tue 2/619:45
PHL
-
EDI
1 stop9h 15m
JetBlue
Deal found 3/3£360
Thu 12/307:15
GLA
-
PHL
1 stop13h 45m
Multiple Airlines
Mon 16/318:30
PHL
-
GLA
1 stop9h 30m
Multiple Airlines
Deal found 3/3£414
Sat 18/413:40
MAN
-
PHL
1 stop10h 15m
Multiple Airlines
Sat 25/420:25
PHL
-
MAN
1 stop9h 30m
Multiple Airlines
Deal found 4/3£419
Thu 16/412:00
BHX
-
PHL
1 stop11h 55m
Multiple Airlines
Thu 23/420:25
PHL
-
BHX
1 stop10h 55m
Multiple Airlines
Deal found 2/3£426
Wed 15/411:30
MAN
-
PHL
1 stop12h 25m
Multiple Airlines
Wed 22/420:25
PHL
-
MAN
1 stop9h 55m
Multiple Airlines
Deal found 1/3£426
Tue 31/313:05
MAN
-
PHL
1 stop10h 50m
Multiple Airlines
Tue 7/420:25
PHL
-
MAN
1 stop9h 40m
Multiple Airlines
Deal found 2/3£429
Wed 15/412:00
BHX
-
PHL
1 stop11h 55m
Multiple Airlines
Wed 22/420:25
PHL
-
BHX
1 stop16h 10m
Multiple Airlines
Deal found 1/3£430
Thu 2/407:45
EDI
-
PHL
1 stop16h 10m
Multiple Airlines
Tue 7/420:25
PHL
-
EDI
1 stop14h 15m
Multiple Airlines
Deal found 28/2£431
Sat 18/411:10
GLA
-
PHL
1 stop12h 45m
Multiple Airlines
Sat 25/420:25
PHL
-
GLA
1 stop15h 25m
Multiple Airlines
Deal found 4/3£436
Thu 16/406:00
MAN
-
PHL
1 stop17h 55m
Multiple Airlines
Thu 23/420:25
PHL
-
MAN
1 stop9h 30m
Multiple Airlines
Deal found 2/3£440
Mon 13/409:25
GLA
-
PHL
1 stop14h 30m
Multiple Airlines
Mon 20/420:25
PHL
-
GLA
1 stop14h 15m
Multiple Airlines
Deal found 1/3£445
Thu 16/410:40
EDI
-
PHL
1 stop13h 15m
Multiple Airlines
Thu 23/420:25
PHL
-
EDI
1 stop10h 25m
Multiple Airlines
Deal found 2/3£447

Find flight deals from United Kingdom to Philadelphia

Keep the following information in mind while searching for United Kingdom to Philadelphia flight deals. Data was last updated 4 March 2026.

Round-trip from

£360

One-way from

£222

Popular in

December

Cheapest in

September

Average price

£576

Good round-trip deal

£554 or less

Good one-way deal

£430 or less
JetBlue
  • JetBlue
  • 5/5-2/6
  • 2 total stops
  • 20h 23m total
  • United Kingdom to Philadelphia
Search Deals
29/4
  • 29/4
  • 2 total stops
  • 36h 09m total
  • United Kingdom to Philadelphia
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from United Kingdom to Philadelphia.
Search Deals
Price to beat on a one-way flight from United Kingdom to Philadelphia.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom to Philadelphia 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, Cheapflights users made 858,174 searches. Data last updated 4 March 2026.
Use the filters below to find and compare flights from the United Kingdom to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BirminghamPhiladelphia

BHX - PHL

BHXPHL

Birmingham

Wed 15/4

12:00-18:55

1 stop11h 55m

Philadelphia

Wed 22/4

20:25-17:35

1 stop16h 10m

£430

GlasgowPhiladelphia

GLA - PHL

GLAPHL

Glasgow Intl

Mon 13/4

09:25-18:55

1 stop14h 30m

Philadelphia

Mon 20/4

20:25-15:40

1 stop14h 15m

£445

BirminghamPhiladelphia

BHX - PHL

BHXPHL

Birmingham

Sat 18/4

12:00-18:55

1 stop11h 55m

Philadelphia

Sat 25/4

20:25-11:15

1 stop9h 50m

£454

LeedsPhiladelphia

LBA - PHL

LBAPHL

Leeds/Bradford

Thu 16/4

08:45-18:55

1 stop15h 10m

Philadelphia

Thu 23/4

20:25-19:10

1 stop17h 45m

£458

BirminghamPhiladelphia

BHX - PHL

BHXPHL

Birmingham

Thu 16/4

12:00-18:55

1 stop11h 55m

Philadelphia

Thu 23/4

08:25-07:50

2 stops18h 25m

£488

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Mon 13/4

08:30-18:55

1 stop15h 25m

Philadelphia

Mon 20/4

08:25-07:50

2 stops18h 25m

£493

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Wed 15/4

06:30-17:38

2 stops16h 08m

Philadelphia

Wed 22/4

20:25-19:30

1 stop18h 05m

£495

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 14/4

08:40-17:38

1 stop13h 58m

Philadelphia

Tue 21/4

08:25-06:30

1 stop17h 05m

£528

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 14/4

08:50-15:05

1 stop11h 15m

Philadelphia

Tue 21/4

18:45-06:50

Nonstop7h 05m

£533

BirminghamPhiladelphia

BHX - PHL

BHXPHL

Birmingham

Tue 14/4

08:10-18:55

1 stop15h 45m

Philadelphia

Tue 21/4

20:25-11:50

1 stop10h 25m

£552

Flights are sorted by cheapest return flights first.

Deals found on 1/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from United Kingdom to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from United Kingdom with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Philadelphia

What is the cheapest month to book a flight from United Kingdom to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from United Kingdom to Philadelphia (average of £97). Flying from United Kingdom to Philadelphia in July is currently the most expensive (average of £341). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GB to PHL?

Find hourly flight availability from United Kingdom to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 March 2026.

When flying from United Kingdom to Philadelphia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How often are flights from the United Kingdom to Philadelphia delayed?

About 18% of weekly flights between United Kingdom and Philadelphia have experienced delays in the past year, with the average delay time being 177 minutes.

What is the most punctual flight time for the United Kingdom to Philadelphia flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on the United Kingdom to Philadelphia flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 17% of flights being delayed.

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated 4 March 2026.
See what other customers who have flown with Finnair, United Airlines, andAer Lingus from the United Kingdom to Philadelphia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,370 reviews
Check prices

Overall

7.6

Comfort

7.5

Crew

8.2

Entertainment

6.9

Boarding

7.7

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,370 reviews
Finnair
7.6
Good
1,370 reviews
Check prices

Overall

7.6

Comfort

7.5

Crew

8.2

Entertainment

6.9

Boarding

7.7

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
United Airlines
7.4
Good
9,386 reviews
Finnair
7.6
Good
1,370 reviews
Check prices

Overall

7.6

Comfort

7.5

Crew

8.2

Entertainment

6.9

Boarding

7.7

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Aer Lingus
7.2
Good
1,467 reviews
Finnair
7.6
Good
1,370 reviews
Check prices

Overall

7.6

Comfort

7.5

Crew

8.2

Entertainment

6.9

Boarding

7.7

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Iberia
7.0
Good
3,132 reviews
Finnair
7.6
Good
1,370 reviews
Check prices

Overall

7.6

Comfort

7.5

Crew

8.2

Entertainment

6.9

Boarding

7.7

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
7,774 reviews
Finnair
7.6
Good
1,370 reviews
Check prices

Overall

7.6

Comfort

7.5

Crew

8.2

Entertainment

6.9

Boarding

7.7

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Philadelphia from United Kingdom?

    Located just 7.0 mi from the city center, Philadelphia (PHL) is the airport most travelers will use when flying to Philadelphia from United Kingdom.

  • How long is the flight from United Kingdom to Philadelphia?

    There are many flights that can get you from United Kingdom to Philadelphia in 11h 15m. Fly via Aer Lingus, JetBlue, or British Airways to get the fastest option. Airlines will cover a distance of 3533 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from United Kingdom to Philadelphia one-way?

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as £326. However, be on the lookout for offers from Finnair and British Airways, as they are both options that can get you from United Kingdom to Philadelphia for a low price.

  • What are the most popular routes from United Kingdom to Philadelphia?

    While some choose either London Gatwick - Philadelphia or London City - Philadelphia, London Heathrow - Philadelphia is the most popular route from United Kingdom to Philadelphia.

  • What are the most reliable airlines from United Kingdom to Philadelphia?

    The top 3 most reliable airlines when flying from United Kingdom to Philadelphia are Malaysia Airlines (80%), American Airlines (76%) and Finnair (76%).

  • What are the cheapest flights from United Kingdom to Philadelphia?

    While on average a flight from United Kingdom to Philadelphia is generally £973, our data shows the cheapest flight currently is £327. When looking at the most popular route, (London Heathrow - Philadelphia), you can expect to pay £444 for that flight.

  • Can I find deals for flights from United Kingdom to Philadelphia that include hotel bookings?

    Yes. In addition to deals on United Kingdom to Philadelphia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Philadelphia.

  • Can I find deals for business class flights from United Kingdom to Philadelphia?

    Yes. Cheapflights offers flight deals from United Kingdom to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from United Kingdom to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from United Kingdom to Philadelphia (average of £97). Flying from United Kingdom to Philadelphia in July is currently the most expensive (average of £341). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for United Kingdom to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Heathrow to LaGuardia flights
Gatwick to John F Kennedy Intl flights
Gatwick to Newark flights
Stansted to John F Kennedy Intl flights
London City to John F Kennedy Intl flights
Gatwick to LaGuardia flights
Luton to John F Kennedy Intl flights
Luton to Newark flights
Manchester to John F Kennedy Intl flights
London City to Newark flights
Stansted to Newark flights
Heathrow to Dulles Intl flights
Edinburgh to John F Kennedy Intl flights
Edinburgh to Newark flights
Manchester to Newark flights
Manchester to LaGuardia flights
Edinburgh to LaGuardia flights
Heathrow to Philadelphia flights
Heathrow to Reagan-National flights
Gatwick to Dulles Intl flights
Stansted to Dulles Intl flights
London City to Dulles Intl flights
Glasgow Intl to Newark flights
Glasgow Intl to John F Kennedy Intl flights
Stansted to LaGuardia flights
Luton to Dulles Intl flights
Heathrow to Pittsburgh flights
Birmingham to John F Kennedy Intl flights
Gatwick to Reagan-National flights
Luton to LaGuardia flights
Glasgow Intl to LaGuardia flights
Birmingham to Newark flights
London City to Philadelphia flights
Gatwick to Philadelphia flights
Birmingham to LaGuardia flights
Manchester to Dulles Intl flights
Stansted to Philadelphia flights
Edinburgh to Philadelphia flights
Manchester to Reagan-National flights
Newcastle upon Tyne to John F Kennedy Intl flights
Luton to Philadelphia flights
Southend to John F Kennedy Intl flights
Gatwick to Pittsburgh flights
Edinburgh to Dulles Intl flights
Dublin to LaGuardia flights
Stansted to Pittsburgh flights
Manchester to Philadelphia flights
London City to LaGuardia flights

Top 10 airlines flying from United Kingdom to Philadelphia

Discover the top 10 airlines that operate flights from United Kingdom to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 4 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£304Average£464FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£339Average£471FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£414Average£586FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£421Average£573FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£452Average£642FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£453Average£622FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£457Average£653FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Aer LingusCheapest£466Average£662FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IberiaCheapest£486Average£590FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Virgin AtlanticCheapest£524Average£687FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to Philadelphia?

When you search for this flight from United Kingdom to Philadelphia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Philadelphia?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from United Kingdom to Philadelphia.

Can Cheapflights find flights from United Kingdom to Philadelphia with no change fees?

Yes! Cheapflights helps users easily find flights from United Kingdom to Philadelphia with no change fees.

Can Cheapflights notify me if prices for flights from United Kingdom to Philadelphia become cheaper?

Of course! You can now track prices for flights from United Kingdom to Philadelphia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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