What is the cheapest airline that flies from Philadelphia to United States?

Frontier and Spirit Airlines are the most popular carriers operating from Philadelphia to United States

How many flights depart from Philadelphia to United States on average per week?

As of August 2025, there are 1,528 flights per week flying from Philadelphia to United States. The most common day of the week flights depart is Fri, with 19% of flights taking off on this day.

What airlines fly to United States?

American Airlines, Frontier and Spirit Airlines are the top three most popular airlines that fly to United States from Philadelphia according to our data. American Airlines is the first choice among our users, with 28% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 13 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

How many flights depart from Philadelphia to United States on average per day?

As of August 2025, there are 218 flights per day flying from Philadelphia to United States. The most common time of day flights depart is 5:00PM, with 41% of flights taking off in the afternoon.

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

Prices for flights from Philadelphia Airport to United States refresh daily.

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

As of August 2025, there are 12 operators available to choose from for flights from Philadelphia Airport to United States.

How old do you have to be to fly from Philadelphia Airport to United States?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to United States.

What documentation or ID do you need to fly to United States?

The necessary travel and health documents for your United States trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$44 Cheap Flights from Philadelphia to the United States in 2025

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Find the cheapest flights from Philadelphia to the United States

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

5:00 am - 7:50 amPHL-FLL

2h 50mnonstop

9:00 pm - 11:47 pmFLL-PHL

2h 47mnonstop

$85Spirit Airlines

Find Deal

Thu, Sep 25 - Tue, Sep 30

5:00 am - 7:50 amPHL-FLL

2h 50mnonstop

9:00 pm - 11:47 pmFLL-PHL

2h 47mnonstop

$86Spirit Airlines

Find Deal

Sat, Sep 13 - Tue, Sep 16

7:55 am - 10:49 amPHL-FLL

2h 54mnonstop

1:22 pm - 4:11 pmFLL-PHL

2h 49mnonstop

$87Frontier

Find Deal

Thu, Oct 16 - Sat, Oct 18

8:30 am - 11:35 amPHL-FLL

3h 05mnonstop

12:35 pm - 3:27 pmFLL-PHL

2h 52mnonstop

$88Frontier

Find Deal

Sat, Sep 27 - Sat, Oct 4

1:55 pm - 4:49 pmPHL-MIA

2h 54mnonstop

6:50 am - 9:43 amMIA-PHL

2h 53mnonstop

$117American Airlines

Find Deal

Wed, Oct 1 - Sat, Oct 4

1:55 pm - 4:49 pmPHL-MIA

2h 54mnonstop

9:20 pm - 12:09 amMIA-PHL

2h 49mnonstop

$129American Airlines

Find Deal

Wed, Oct 1 - Fri, Oct 10

6:00 am - 7:36 amPHL-BOS

1h 36mnonstop

3:10 pm - 4:53 pmBOS-PHL

1h 43mnonstop

$139Delta

Find Deal

Wed, Oct 1 - Sat, Oct 4

6:00 am - 7:36 amPHL-BOS

1h 36mnonstop

11:21 am - 12:55 pmBOS-PHL

1h 34mnonstop

$149Delta

Find Deal

Wed, Sep 24 - Wed, Oct 1

1:03 pm - 2:25 pmPHL-ORD

2h 22mnonstop

11:05 am - 2:16 pmORD-PHL

2h 11mnonstop

$149United Airlines

Find Deal

Wed, Sep 24 - Wed, Oct 1

6:27 pm - 7:55 pmPHL-ORD

2h 28mnonstop

7:30 am - 10:39 amORD-PHL

2h 09mnonstop

$168United Airlines

Find Deal

Wed, Sep 24 - Sun, Sep 28

Spirit Airlines flights from Philadelphia to United States

Our best Spirit Airlines deals on Philadelphia to United States flight tickets

Spirit Airlines

Sep 8

PHL9:50 pmPhiladelphia

2h 58m

FLL12:48 amFort Lauderdale

Sep 14

FLL7:00 amFort Lauderdale

2h 46m

PHL9:46 amPhiladelphia

$85

Find similar

Spirit Airlines

Sep 4

PHL5:00 amPhiladelphia

2h 50m

FLL7:50 amFort Lauderdale

Sep 9

FLL9:00 pmFort Lauderdale

2h 47m

PHL11:47 pmPhiladelphia

$86

Find similar

Spirit Airlines

Sep 27

PHL5:59 pmPhiladelphia

3h 06m

MIA9:05 pmMiami

Oct 5

MIA6:00 amMiami

2h 52m

PHL8:52 amPhiladelphia

$90

Find similar

American Airlines flights from Philadelphia to United States

Our best American Airlines deals on Philadelphia to United States flight tickets

American Airlines

Oct 1

PHL1:55 pmPhiladelphia

2h 54m

MIA4:49 pmMiami

Oct 4

MIA6:50 amMiami

2h 53m

PHL9:43 amPhiladelphia

$117

Find similar

American Airlines

Oct 1

PHL1:55 pmPhiladelphia

2h 54m

MIA4:49 pmMiami

Oct 10

MIA9:20 pmMiami

2h 49m

PHL12:09 amPhiladelphia

$129

Find similar

American Airlines

Oct 7

PHL12:44 pmPhiladelphia

2h 27m

ORD2:11 pmChicago O'Hare Intl

Oct 10

ORD5:00 amChicago O'Hare Intl

2h 02m

PHL8:02 amPhiladelphia

$158

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Philadelphia to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaFort Lauderdale

PHL - FLL

PHLFLL

Philadelphia

Thu 9/25

5:00 am-7:50 am

Nonstop2h 50m

Fort Lauderdale

Tue 9/30

9:00 pm-11:47 pm

Nonstop2h 47m

$85

PhiladelphiaFort Lauderdale

PHL - FLL

PHLFLL

Philadelphia

Sat 9/13

5:00 am-7:50 am

Nonstop2h 50m

Fort Lauderdale

Tue 9/16

9:00 pm-11:47 pm

Nonstop2h 47m

$86

PhiladelphiaFort Lauderdale

PHL - FLL

PHLFLL

Philadelphia

Thu 10/16

7:55 am-10:49 am

Nonstop2h 54m

Fort Lauderdale

Sat 10/18

1:22 pm-4:11 pm

Nonstop2h 49m

$87

PhiladelphiaFort Lauderdale

PHL - FLL

PHLFLL

Philadelphia

Sat 9/27

8:30 am-11:35 am

Nonstop3h 05m

Fort Lauderdale

Sat 10/4

12:35 pm-3:27 pm

Nonstop2h 52m

$88

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Wed 10/1

1:55 pm-4:49 pm

Nonstop2h 54m

Miami

Sat 10/4

6:50 am-9:43 am

Nonstop2h 53m

$117

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Wed 10/1

1:55 pm-4:49 pm

Nonstop2h 54m

Miami

Fri 10/10

9:20 pm-12:09 am

Nonstop2h 49m

$129

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Wed 10/1

6:00 am-7:36 am

Nonstop1h 36m

Boston Logan Intl

Sat 10/4

3:10 pm-4:53 pm

Nonstop1h 43m

$139

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Wed 9/24

6:00 am-7:36 am

Nonstop1h 36m

Boston Logan Intl

Wed 10/1

11:21 am-12:55 pm

Nonstop1h 34m

$149

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Wed 9/24

1:03 pm-2:25 pm

Nonstop2h 22m

Chicago O'Hare Intl

Wed 10/1

11:05 am-2:16 pm

Nonstop2h 11m

$149

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Wed 9/24

6:27 pm-7:55 pm

Nonstop2h 28m

Chicago O'Hare Intl

Sun 9/28

7:30 am-10:39 am

Nonstop2h 09m

$168

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Philadelphia to United States

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to United States?

In general, August is the cheapest month to fly from Philadelphia to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $229. If you aren’t able to travel during the month of August, then book flights to United States from Philadelphia during September instead. Flights to United States in September, while not as cheap as those in August, still average around $278.

What is the cheapest day to depart on your flight to United States?

According to our data, Wednesday is the cheapest day to fly to United States from Philadelphia. The lowest ticket price found for a Wednesday departure recently was $385. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $684. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

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

The cheapest time of day to fly to United States is in the afternoon when flights can be purchased for as low as $419. Try not to purchase tickets in the evening because they tend to be around $625. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Philadelphia to United States flight route?

Fly from Philadelphia to Orlando for the best Philadelphia - United States flight prices

What cabin class options are available on Philadelphia to United States flights?

There are 4 cabin classes available to choose from on Philadelphia to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Philadelphia to United States flights?

No. A direct flight is the cheapest option for a flight between Philadelphia to United States.

Cheap Philadelphia to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to United States

Best Price Found	$68
Fastest flight time	1h 15m
Direct flights	Every day
Airports in United States	2 airports

The best one-way flight to United States from Philadelphia in the past 72 hours is $68. The best round-trip flight deal from Philadelphia to United States found on momondo in the last 72 hours is $103.

The fastest flight from Philadelphia to United States takes 1h 15m

Direct flights go from Philadelphia to United States every day.

There are 2 airports near United States: Boston Logan Intl (BOS), Atlanta Hartsfield-Jackson (ATL)

Search flight deals

When did momondo last update prices for flights from Philadelphia Airport to United States?
Prices for flights from Philadelphia Airport to United States refresh daily.
How many operators does momondo search for flights from Philadelphia Airport to United States?
As of August 2025, there are 12 operators available to choose from for flights from Philadelphia Airport to United States.
How old do you have to be to fly from Philadelphia Airport to United States?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to United States.
What documentation or ID do you need to fly to United States?
The necessary travel and health documents for your United States trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Philadelphia to United States?
momondo data reveals that the most frequently booked plane model on the route from Philadelphia to United States is Airbus A321-100/200, representing 12.53% of all bookings. The subsequent popular models are Airbus A320-100/200 at 12.22%, Airbus A321neo at 12.09%, and Boeing 737-800 at 11.67%.

Best airlines flying from Philadelphia to United States

Compare and see reviews for airlines that fly from Philadelphia to United States with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $33	Free Cancellation	Rating 5.8 3,205 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $44	Free Cancellation	Rating 6.3 8,021 reviews	Search Spirit Airlines flights
JetBlue	PriceFrom $69	Free Cancellation	Rating 7.2 2,920 reviews	Search JetBlue flights
Avelo Airlines	PriceFrom $70	Free Cancellation	Rating 7.5 78 reviews	Search Avelo Airlines flights
Delta	PriceFrom $72	Free Cancellation	Rating 7.9 7,979 reviews	Search Delta flights
Allegiant Air	PriceFrom $94	Free Cancellation	Rating 7.2 701 reviews	Search Allegiant Air flights
American Airlines	PriceFrom $136	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $149	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $193	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $194	Free Cancellation	Rating 7.4 8,941 reviews	Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Philadelphia to United States. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to United States from Philadelphia which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Philadelphia to United States?

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

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

If you are simply researching potential flights to United States, momondo offers a useful price alert feature which will track prices for flights to United States from Philadelphia and alert you when they change.

An easier way to manage your United States trip

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Cheap flights from Philadelphia to the United States from $44

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to the United States departing on 9/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Philadelphia to the United States

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Spirit Airlines flights from Philadelphia to United States

Our best Spirit Airlines deals on Philadelphia to United States flight tickets

American Airlines flights from Philadelphia to United States

Our best American Airlines deals on Philadelphia to United States flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Philadelphia to the United States that are best for you.

See travel insights to the United States from

How to get the cheapest flight ticket from Philadelphia to United States

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to United States?

What is the cheapest day to depart on your flight to United States?

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

The cheapest time of day to fly to United States is in the afternoon when flights can be purchased for as low as $419. Try not to purchase tickets in the evening because they tend to be around $625. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Philadelphia to United States flight route?

Fly from Philadelphia to Orlando for the best Philadelphia - United States flight prices

What cabin class options are available on Philadelphia to United States flights?

There are 4 cabin classes available to choose from on Philadelphia to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Philadelphia to United States flights?

No. A direct flight is the cheapest option for a flight between Philadelphia to United States.

What is the cheapest airline that flies from Philadelphia to United States?

Frontier and Spirit Airlines are the most popular carriers operating from Philadelphia to United States

What airlines fly to United States?

How many flights depart from Philadelphia to United States on average per day?

As of August 2025, there are 218 flights per day flying from Philadelphia to United States. The most common time of day flights depart is 5:00PM, with 41% of flights taking off in the afternoon.

How many flights depart from Philadelphia to United States on average per week?

As of August 2025, there are 1,528 flights per week flying from Philadelphia to United States. The most common day of the week flights depart is Fri, with 19% of flights taking off on this day.

Cheap Philadelphia to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to United States

Best Price Found

Fastest flight time

Direct flights

Airports in United States

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

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

How old do you have to be to fly from Philadelphia Airport to United States?

What documentation or ID do you need to fly to United States?

What is the most popular plane model from Philadelphia to United States?

Best airlines flying from Philadelphia to United States

Compare and see reviews for airlines that fly from Philadelphia to United States with momondo

Why use momondo?

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

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

How can momondo help me find flights from Philadelphia to United States?

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

An easier way to manage your United States trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo