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Philadelphia

$55+ Cheap flights from the United States to Philadelphia (PHL)

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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PHL
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from USA to Philadelphia

Keep the following information in mind while searching for USA to Philadelphia flight deals. Data was last updated July 31, 2025.

Round-trip from

$103
(CheapOair)

One-way from

$55
(FlightHub)

Popular in

April

Cheapest in

September

Average price

$406

Good round-trip deal

$118 or less

Good one-way deal

$73 or less
From USA to Philadelphia
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One-way flight from USA to Philadelphia
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Highest demand for flights based on searches. 11% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from USA to Philadelphia.
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Price to beat on a one-way flight from USA to Philadelphia.
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Find flight deals from USA to Philadelphia

Cheapest flights from USA to Philadelphia
Explore the most affordable flight options available from USA to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This CheapOair deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:06 pmATL - PHL
Nonstop2h 01mSpirit Airlines
Fri 8/227:07 pmPHL - ATL
Nonstop2h 25mSpirit Airlines
Deal found 7/28$103
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/246:00 amATL - PHL
Nonstop2h 03mMultiple Airlines
Sun 8/315:40 amPHL - ATL
Nonstop2h 18mMultiple Airlines
Deal found 7/29$105
This Cheapflightsfares deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2810:58 pmATL - PHL
Nonstop2h 11mFrontier
Mon 9/15:40 amPHL - ATL
Nonstop2h 18mFrontier
Deal found 7/30$107
This Cheapflightsfares deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/289:37 amBOS - PHL
Nonstop1h 42mFrontier
Sun 8/318:00 amPHL - BOS
Nonstop1h 41mFrontier
Deal found 7/29$117
This Priceline deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/201:24 pmBOS - PHL
Nonstop1h 36mJetBlue
Sat 9/206:10 pmPHL - BOS
Nonstop1h 44mJetBlue
Deal found 7/29$134
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/97:50 pmBOS - PHL
Nonstop1h 41mDelta
Tue 9/166:00 amPHL - BOS
Nonstop1h 36mDelta
Deal found 7/29$139
This Frontier deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/158:27 pmORD - PHL
Nonstop2h 26mFrontier
Sun 8/179:19 pmPHL - ORD
Nonstop2h 35mFrontier
Deal found 7/31$140
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:10 amBOS - PHL
1 stop8h 46mMultiple Airlines
Thu 9/117:15 amPHL - BOS
Nonstop1h 28mMultiple Airlines
Deal found 7/29$145
This FlightHub deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/212:05 pmORD - PHL
1 stop10h 54mMultiple Airlines
Thu 10/1610:21 amPHL - ORD
Nonstop2h 31mMultiple Airlines
Deal found 7/29$154
This Cheapflightsfares deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/136:50 amDFW - PHL
1 stop13h 07mSpirit Airlines
Sat 8/168:41 pmPHL - DFW
1 stop13h 49mSpirit Airlines
Deal found 7/30$160
This FlightHub deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/125:00 amIAH - PHL
1 stop10h 16mSpirit Airlines
Fri 8/154:58 pmPHL - IAH
1 stop7h 10mSpirit Airlines
Deal found 7/29$160
This Cheapflightsfares deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1310:34 amBOS - PHL
1 stop10h 23mSpirit Airlines
Fri 8/159:59 pmPHL - BOS
1 stop11h 40mSpirit Airlines
Deal found 7/29$160

Cheapflights Fare Finder

 
Customize your flight search to find flights from USA 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 2,558,603 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from the United States to Philadelphia that are best for you.

Fly from

USA

Fly to

Philadelphia

Route

Depart

Return

Price

AtlantaPhiladelphia

ATL - PHL

ATLPHL

Atlanta Hartsfield-Jackson

Mon 8/11

6:06 pm-8:07 pm

Nonstop2h 01m

Philadelphia

Fri 8/22

7:07 pm-9:32 pm

Nonstop2h 25m

$103

AtlantaPhiladelphia

ATL - PHL

ATLPHL

Atlanta Hartsfield-Jackson

Sun 8/24

6:00 am-8:03 am

Nonstop2h 03m

Philadelphia

Sun 8/31

5:40 am-7:58 am

Nonstop2h 18m

$105

AtlantaPhiladelphia

ATL - PHL

ATLPHL

Atlanta Hartsfield-Jackson

Thu 8/28

10:58 pm-1:09 am

Nonstop2h 11m

Philadelphia

Mon 9/1

5:40 am-7:58 am

Nonstop2h 18m

$107

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Thu 8/28

9:37 am-11:19 am

Nonstop1h 42m

Philadelphia

Sun 8/31

8:00 am-9:41 am

Nonstop1h 41m

$117

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Sat 9/20

1:24 pm-3:00 pm

Nonstop1h 36m

Philadelphia

Sat 9/20

6:10 pm-7:54 pm

Nonstop1h 44m

$134

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Tue 9/9

7:50 pm-9:31 pm

Nonstop1h 41m

Philadelphia

Tue 9/16

6:00 am-7:36 am

Nonstop1h 36m

$139

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Fri 8/15

8:27 pm-11:53 pm

Nonstop2h 26m

Philadelphia

Sun 8/17

9:19 pm-10:54 pm

Nonstop2h 35m

$140

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Wed 9/3

6:10 am-2:56 pm

1 stop8h 46m

Philadelphia

Thu 9/11

7:15 am-8:43 am

Nonstop1h 28m

$145

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Thu 10/2

12:05 pm-11:59 pm

1 stop10h 54m

Philadelphia

Thu 10/16

10:21 am-11:52 am

Nonstop2h 31m

$154

DallasPhiladelphia

DFW - PHL

DFWPHL

Dallas/Fort Worth

Wed 8/13

6:50 am-8:57 pm

1 stop13h 07m

Philadelphia

Sat 8/16

8:41 pm-9:30 am

1 stop13h 49m

$160

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 60 results
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The best insider tips for theUnited States to Philadelphia flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Philadelphia trip
Airlines
American Airlines

American's Main Cabin Extra offers more legroom than standard economy seats.


American Airlines' Flagship First offers chef-crafted meals and lounge access.

Read more about American Airlinesby Marisa Garcia
Frontier

Frontier's UpFront Plus guarantees an empty middle seat for extra comfort.


Frontier offers Zone 1 boarding with a carry-on purchase or special fare bundle.

Read more about Frontierby Marisa Garcia
Delta

Delta's Comfort Plus offers extra legroom, early boarding, and upgraded snacks.


Delta offers free Wi-Fi on most domestic flights for SkyMiles members.

Read more about Deltaby Harriet Baskas
Spirit Airlines

Spirit's Big Front Seats offer 11 inches more legroom and larger tray tables.


Spirit's Saver$ Club offers rotating deals on fares, luggage, and seats.

Read more about Spirit Airlinesby Daniel Scheffler
United Airlines

Basic Economy fares restrict carry-ons; exceptions for MileagePlus members or select routes.


Prepay checked bag fees 24 hours before to save money on United flights.

Read more about United Airlinesby Harriet Baskas
JetBlue

JetBlue offers free onboard Wifi and screens at every seat for entertainment.


JetBlue's Blue Basic allows one free carry-on; fees for changes and seat selection.

Read more about JetBlueby Blane Bachelor
Airports
PHL

For a quick trip to Center City Philadelphia, use SEPTA's regional rail service, accessible from multiple terminals, operating from 5:00 a.m. to midnight.

Read more about PHLby Mark Chesnut
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on American Airlines and Frontier

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Harriet Baskas

Harriet Baskas

Expert on Delta and United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Blane Bachelor

Blane Bachelor

Expert on JetBlue

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Mark Chesnut

Mark Chesnut

Expert on PHL

Mark Chesnut

Mark Chesnut

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Read more

Best time to book a flight from USA to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from USA with our price prediction graph.
Estimated round-trip 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 States to Philadelphia

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

Currently, August is the cheapest month in which you can book a flight from USA to Philadelphia (average of $236). Flying from USA to Philadelphia in March is currently the most expensive (average of $295). 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 US to PHL?

Find hourly flight availability from USA 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 July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from USA to Philadelphia as you normally would.

Weekly flight availability from USA to Philadelphia

Explore weekly flight availability from USA to Philadelphia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 31, 2025.

The most flights from US0 to PHL are scheduled on a Thursday (35 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (25 on average).

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 July 31, 2025.
Read through reviews of airlines operating flights from the United States to Philadelphia, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from USA 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 States?

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

  • How popular is this USA to Philadelphia flight route?

    Flights from United States to Philadelphia have been viewed 111 times in the past calendar month.

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

    The cheapest airlines for a one-way flight from USA to Philadelphia are Spirit Airlines ($55), Frontier ($58), and JetBlue ($70).

  • What are the most popular routes from USA to Philadelphia?

    The most popular flight routes from USA to Philadelphia are Boston Logan Intl - Philadelphia, Seattle/Tacoma Intl - Philadelphia and Houston Hobby - Philadelphia.

  • What are the most reliable airlines from USA to Philadelphia?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from USA to Philadelphia on time: Spirit Airlines (88%), Iberia (88%), Aer Lingus (85%).

  • What are the cheapest flights from USA to Philadelphia?

    Looking at all options, your cheapest flight can be booked for $98. While the most popular route (Boston Logan Intl - Philadelphia) can be booked for $126 on average our data indicates $1,327 when flying from USA to Philadelphia.

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

    Yes. In addition to deals on USA to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from USA to Philadelphia?

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

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

    Yes. Cheapflights offers flight deals from USA 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 USA to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from USA to Philadelphia (average of $236). Flying from USA to Philadelphia in March is currently the most expensive (average of $295). 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

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Vineland
Wildwood
King of Prussia
Pottstown
Cherry Hill
Ocean City
Chester
Millville
Reading
Ephrata
Camden
Dewey Beach
Dover
Elkton
Essington
Willow Grove
Newark
Exton
Glen Mills
Springfield

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for USA to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from USA to Philadelphia

Discover the top 9 airlines that operate flights from USA 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 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$32Average$178FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$47Average$167FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$72Average$267FlexibilityNo cancel feeOn-time62%
DeltaCheapest$78Average$320FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$120Average$369FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$133Average$341FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$145Average$404FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$166Average$507FlexibilityNo cancel feeOn-time69%
Sun Country AirCheapest$294Average$368FlexibilityNo cancel feeOn-time83%

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