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£59+ Cheap flights from Philadelphia

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PHL — LHR
13 Dec — 20 Dec1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Philadelphia

Discover essential information about flights departing from Philadelphia, including flight schedules, destinations, airlines operating at the Philadelphia airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 13 November 2025.

Cheapest airline

Frontier

Good round-trip deal

£82 or less

Good one-way deal

£41 or less
On average, Frontier currently has the cheapest one-way flight from Philadelphia (avg. price of £35).
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Price to beat on a round-trip flight from Philadelphia.
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Price to beat on a one-way flight from Philadelphia.
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Find flights from Philadelphia

Enter your travel dates to find the best prices.

Cheapest flights from Philadelphia
Explore the most affordable flight options available from Philadelphia. Find the lowest fares based on data from user searches, with prices last updated on 13 November 2025.

Sat 13/1218:54PHL - SFO
1 stop19h 06mAlaska Airlines
Mon 15/1209:00SFO - PHL
1 stop17h 46mAlaska Airlines
Deal found 12/11£220
Sat 13/1206:15PHL - SFO
Nonstop6h 25mUnited Airlines
Tue 16/1223:20SFO - PHL
1 stop7h 15mUnited Airlines
Deal found 12/11£228
Wed 15/407:00PHL - SFO
1 stop9h 33mAlaska Airlines
Mon 20/417:45SFO - PHL
1 stop8h 38mAlaska Airlines
Deal found 11/11£235
Sat 13/1208:06PHL - SFO
1 stop9h 41mDelta
Fri 9/100:47SFO - PHL
1 stop6h 45mDelta
Deal found 13/11£235
Thu 22/106:40PHL - SFO
2 stops10h 40mSouthwest
Tue 27/109:50SFO - PHL
1 stop9h 10mSouthwest
Deal found 12/11£239
Fri 6/208:35PHL - SFO
Nonstop6h 28mUnited Airlines
Sun 15/213:12SFO - PHL
Nonstop5h 21mUnited Airlines
Deal found 12/11£241
Sat 13/1206:15PHL - SFO
Nonstop6h 25mUnited Airlines
Sun 4/100:30SFO - PHL
1 stop8h 10mUnited Airlines
Deal found 11/11£244
Thu 11/1206:30PHL - SFO
1 stop8h 19mUnited Airlines
Sat 13/1211:15SFO - PHL
Nonstop5h 26mUnited Airlines
Deal found 12/11£244
Wed 29/412:55PHL - SFO
1 stop8h 52mUnited Airlines
Sun 3/523:05SFO - PHL
Nonstop5h 40mUnited Airlines
Deal found 10/11£248
Sun 21/1206:17PHL - SFO
Nonstop6h 28mUnited Airlines
Sat 27/1222:40SFO - PHL
Nonstop5h 24mUnited Airlines
Deal found 11/11£249
Thu 4/1217:00PHL - SFO
1 stop8h 30mSouthwest
Wed 10/1208:20SFO - PHL
2 stops9h 40mSouthwest
Deal found 12/11£250
Wed 3/1217:30PHL - MAN
1 stop9h 05mMultiple Airlines
Wed 10/1208:15MAN - PHL
1 stop12h 45mMultiple Airlines
Deal found 12/11£423

Find flights from Philadelphia within your budget

 
Find flights departing from Philadelphia that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 13 November 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Wed 15/4

06:10-09:28

Nonstop6h 18m

San Francisco

Sun 19/4

23:05-07:45

Nonstop5h 40m

£220

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Fri 27/2

08:35-12:06

Nonstop6h 31m

San Francisco

Mon 9/3

23:55-12:07

1 stop9h 12m

£228

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Wed 21/1

08:35-12:03

Nonstop6h 28m

San Francisco

Sun 25/1

23:56-12:07

1 stop9h 11m

£228

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Fri 5/12

15:35-22:55

1 stop10h 20m

San Francisco

Tue 9/12

11:15-19:41

Nonstop5h 26m

£228

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Wed 18/2

17:00-23:11

1 stop9h 11m

San Francisco

Tue 24/2

13:12-21:33

Nonstop5h 21m

£228

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Thu 11/12

06:30-11:49

1 stop8h 19m

San Francisco

Mon 15/12

11:15-19:41

Nonstop5h 26m

£228

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Wed 22/4

06:10-09:28

Nonstop6h 18m

San Francisco

Wed 29/4

23:59-12:10

1 stop9h 11m

£228

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Sat 13/12

07:06-14:47

1 stop10h 41m

San Francisco

Sun 14/12

00:30-10:51

1 stop7h 21m

£235

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Fri 6/2

17:50-23:59

1 stop9h 09m

San Francisco

Sun 8/2

01:00-12:07

1 stop8h 07m

£235

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Thu 4/12

14:24-20:59

1 stop9h 35m

San Francisco

Mon 8/12

19:37-09:27

2 stops10h 50m

£260

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 60 results
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Best time to book a flight from Philadelphia

Have a flexible travel schedule? Discover the best time to fly from Philadelphia 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.

Travel insights for flights from Philadelphia

Get recent, data-driven insights about flights from Philadelphia including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Philadelphia?

Use this chart to determine the optimal time to book a return flight from Philadelphia to Heathrow. Price data was last updated on 7 November 2025.

Booking 9 days in advance of your planned departure date is, on average, the best time to get cheap flights from Philadelphia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Philadelphia (average of £268). Flying from Philadelphia in June will prove the most costly (average of £439). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Philadelphia?

Many airlines operate round-trip flights from Philadelphia: British Airways, American Airlines, Aer Lingus, JetBlue, Iberia. These airlines fly to the following popular destinations: London.

British Airways
British Airways
From £393
Frontier
Frontier
From £27
Aer Lingus
Aer Lingus
From £341
Iberia
Iberia
From £467

What are popular destinations to fly to from Philadelphia?

If you’re flying from Philadelphia, these routes are more frequently taken by airlines Chicago (502 flights per day), Orlando (350 flights per day) and Boston (322 flights per day).

Chicago
Chicago
From £82
Rome
Rome
From £614
London
London
From £497
Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From £100

What is the cheapest place to fly to from Philadelphia?

The cheapest city to fly to from Philadelphia is Pittsburgh, with prices starting at £41. Explore other affordable destinations below.

Pittsburgh
Pittsburgh
From £41
Jacksonville
Jacksonville
From £81
Chicago
Chicago
From £82
Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From £100

Airline reviews for flights from Philadelphia

Get insights into the airlines that provide service from Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Philadelphia. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Read through reviews of airlines serving Philadelphia, such as American Airlines, Aer Lingus, andJetBlue. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,050 reviews
Check prices

Boarding

7.5

Crew

8.0

Comfort

7.2

Entertainment

6.9

Food

6.4

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
American Airlines
7.2
Good
11,050 reviews
American Airlines
7.2
Good
11,050 reviews
Check prices

Boarding

7.5

Crew

8.0

Comfort

7.2

Entertainment

6.9

Food

6.4

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
Aer Lingus
7.2
Good
1,370 reviews
American Airlines
7.2
Good
11,050 reviews
Check prices

Boarding

7.5

Crew

8.0

Comfort

7.2

Entertainment

6.9

Food

6.4

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
JetBlue
7.2
Good
2,907 reviews
American Airlines
7.2
Good
11,050 reviews
Check prices

Boarding

7.5

Crew

8.0

Comfort

7.2

Entertainment

6.9

Food

6.4

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
Iberia
7.0
Good
3,010 reviews
American Airlines
7.2
Good
11,050 reviews
Check prices

Boarding

7.5

Crew

8.0

Comfort

7.2

Entertainment

6.9

Food

6.4

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
British Airways
6.7
Okay
7,516 reviews
American Airlines
7.2
Good
11,050 reviews
Check prices

Boarding

7.5

Crew

8.0

Comfort

7.2

Entertainment

6.9

Food

6.4

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

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Direct flights from Pennsylvania

Book a direct flight from one of these other cities located in Pennsylvania.
Direct flights from Pittsburgh
Direct flights from Harrisburg
Direct flights from Allentown

Related info for your journey

Access useful and relevant information related to your journey from Philadelphia. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 13 November 2025.

  • What are the most popular destinations to fly to from Philadelphia?

    This month, the top selected destinations from Philadelphia are Atlanta, Boston, Chicago. Throughout the year, Atlanta, Boston, Nashville are some of the top choices made by users flying from Philadelphia.

  • What is the cheapest flight from Philadelphia to anywhere?

    Users have flown out of Philadelphia for as low as £41 to Pittsburgh (prices may vary depending on the airline and departure time). On average, users have booked flights for £407 to fly from Philadelphia.

  • What are the cheapest airlines flying from Philadelphia to anywhere?

    Over the past few days, we've found that Frontier, Spirit Airlines, and American Airlines have the cheapest prices from Philadelphia. Frontier flights from Philadelphia to Atlanta Hartsfield-Jackson (£27), Spirit Airlines flights from Philadelphia to Las Vegas Harry Reid Intl (£102), and American Airlines flights from Philadelphia to London Heathrow (£186).

  • What is the cheapest premium economy flight from Philadelphia?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from Philadelphia.
    Philadelphia to Detroit Metropolitan Wayne County Airport from £444
    Philadelphia to Atlanta from £625
    Philadelphia to Dublin from £1,344
    Philadelphia to Boston from £1,357

  • What is the cheapest first class flight from Philadelphia?

    If you’re looking for a cheap first-class flight from Philadelphia, consider Dallas. Prices start at £818 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from Philadelphia?

    At the present moment the cheapest month to fly from Philadelphia is currently February; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Philadelphia?

    Check out the cheapest flights from Philadelphia to embark to:
    Travel from Philadelphia to London from £366 round trip
    Travel from Philadelphia to Edinburgh from £446 round trip

  • How does Cheapflights help users find flights from Philadelphia?

    Cheapflights helps you search for flights from Philadelphia via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

    By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Philadelphia.

  • Can Cheapflights find flights from Philadelphia with no change fees?

    Need flexible booking options for your flight from Philadelphia ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

  • Can Cheapflights notify me if prices for flights from Philadelphia become cheaper?

    Not ready to book yet? You can track prices for flights from Philadelphia on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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How does Cheapflights help users find flights from Philadelphia?

Cheapflights helps you search for flights from Philadelphia via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Philadelphia.

Can Cheapflights find flights from Philadelphia with no change fees?

Need flexible booking options for your flight from Philadelphia ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Philadelphia on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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