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

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

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

As of July 2025, there are 247 flights per day flying from Philadelphia to United States. The most common time of day flights depart is 6:00PM, with 38% of flights taking off in the afternoon.

What airlines fly to United States?

United Airlines, American Airlines and Spirit Airlines are the top three most popular airlines that fly to United States from Philadelphia according to our data. United Airlines is the first choice among our users, with 27% 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 week?

As of July 2025, there are 1,733 flights per week flying from Philadelphia to United States. The most common day of the week flights depart is Thu, with 17% of flights taking off on this day.

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 July 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.

$30 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

3:15 pm - 6:03 pmPHL-MCO

2h 48mnonstop

6:58 pm - 9:37 pmMCO-PHL

2h 39mnonstop

$65Frontier

Find Deal

Tue, Sep 16 - Wed, Sep 17

6:54 pm - 9:33 pmPHL-ATL

2h 39mnonstop

3:35 pm - 5:55 pmATL-PHL

2h 20mnonstop

$65Frontier

Find Deal

Tue, Jul 29 - Tue, Aug 5

9:12 pm - 11:29 pmPHL-ATL

2h 17mnonstop

6:06 pm - 8:07 pmATL-PHL

2h 01mnonstop

$69Spirit Airlines

Find Deal

Sat, Aug 9 - Mon, Aug 11

7:07 pm - 9:32 pmPHL-ATL

2h 25mnonstop

6:00 am - 8:03 amATL-PHL

2h 03mnonstop

$70Spirit Airlines

Find Deal

Wed, Aug 13 - Mon, Aug 25

5:00 pm - 9:50 pmPHL-FLL

4h 50m1 stop

7:05 am - 12:20 pmFLL-PHL

5h 15m1 stop

$100Southwest

Find Deal

Thu, Aug 7 - Mon, Aug 11

5:00 pm - 9:50 pmPHL-FLL

4h 50m1 stop

7:50 am - 2:50 pmFLL-PHL

7h 00m1 stop

$101Southwest

Find Deal

Thu, Aug 21 - Tue, Aug 26

6:00 am - 7:25 amPHL-ORD

2h 25mnonstop

6:55 am - 10:03 amORD-PHL

2h 08mnonstop

$117American Airlines

Find Deal

Sat, Aug 16 - Sat, Aug 23

6:30 am - 7:52 amPHL-ORD

2h 22mnonstop

9:11 pm - 12:20 amORD-PHL

2h 09mnonstop

$118United Airlines

Find Deal

Tue, Aug 19 - Thu, Aug 21

9:15 pm - 10:49 pmPHL-ORD

2h 34mnonstop

9:11 pm - 12:24 amORD-PHL

2h 13mnonstop

$119American Airlines

Find Deal

Sat, Aug 16 - Mon, Aug 18

7:56 am - 9:20 amPHL-ORD

2h 24mnonstop

6:20 pm - 9:31 pmORD-PHL

2h 11mnonstop

$132United Airlines

Find Deal

Sun, Aug 17 - Sat, Aug 23

Spirit Airlines flights from Philadelphia to United States

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

Spirit Airlines

Aug 9

PHL9:12 pmPhiladelphia

2h 17m

ATL11:29 pmAtlanta Hartsfield-Jackson

Aug 11

ATL6:06 pmAtlanta Hartsfield-Jackson

2h 01m

PHL8:07 pmPhiladelphia

$69

Find similar

Spirit Airlines

Aug 13

PHL7:07 pmPhiladelphia

2h 25m

ATL9:32 pmAtlanta Hartsfield-Jackson

Aug 25

ATL6:00 amAtlanta Hartsfield-Jackson

2h 03m

PHL8:03 amPhiladelphia

$70

Find similar

Spirit Airlines

Sep 19

PHL1:58 pmPhiladelphia

2h 15m

ATL4:13 pmAtlanta Hartsfield-Jackson

Sep 22

ATL5:18 pmAtlanta Hartsfield-Jackson

2h 06m

PHL7:24 pmPhiladelphia

$71

Find similar

JetBlue flights from Philadelphia to United States

Our best JetBlue deals on Philadelphia to United States flight tickets

JetBlue

Aug 8

PHL7:56 pmPhiladelphia

2h 57m

FLL10:53 pmFort Lauderdale

Aug 10

FLL8:15 amFort Lauderdale

2h 52m

PHL11:07 amPhiladelphia

$127

Find similar

JetBlue

Sep 30

PHL3:10 pmPhiladelphia

1h 20m

BOS4:30 pmBoston Logan Intl

Sep 30

BOS7:45 pmBoston Logan Intl

1h 39m

PHL9:24 pmPhiladelphia

$134

Find similar

JetBlue

Nov 4

PHL6:00 amPhiladelphia

1h 19m

BOS7:19 amBoston Logan Intl

Nov 4

BOS8:05 pmBoston Logan Intl

1h 31m

PHL9:36 pmPhiladelphia

$137

Find similar

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 $550. 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 at noon when flights can be purchased for as low as $413. Try not to purchase tickets in the evening because they tend to be around $637. 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	$30
Fastest flight time	1h 19m
Direct flights	Every day
Airports in United States	6 airports

The best one-way flight to United States from Philadelphia in the past 72 hours is $30. The best round-trip flight deal from Philadelphia to United States found on momondo in the last 72 hours is $65.

The fastest flight from Philadelphia to United States takes 1h 19m

Direct flights go from Philadelphia to United States every day.

There are 6 airports near United States: Chicago O'Hare Intl (ORD), Miami (MIA), Boston Logan Intl (BOS), Fort Lauderdale (FLL), Orlando (MCO), Atlanta Hartsfield-Jackson (ATL)

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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 July 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 A321neo, representing 13.94% of all bookings. The subsequent popular models are Airbus A320neo at 12.63%, Airbus A321-100/200 at 12.34%, and Boeing 737-800 at 11.24%.

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 $32	Free Cancellation	Rating 5.9 3,271 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $40	Free Cancellation	Rating 6.3 8,055 reviews	Search Spirit Airlines flights
JetBlue	PriceFrom $67	Free Cancellation	Rating 7.3 2,910 reviews	Search JetBlue flights
Delta	PriceFrom $69	Free Cancellation	Rating 8.0 7,952 reviews	Search Delta flights
Avelo Airlines	PriceFrom $70	Free Cancellation	Rating 7.4 76 reviews	Search Avelo Airlines flights
Sun Country Air	PriceFrom $82	Free Cancellation	Rating 6.9 335 reviews	Search Sun Country Air flights
Allegiant Air	PriceFrom $96	Free Cancellation	Rating 7.2 704 reviews	Search Allegiant Air flights
American Airlines	PriceFrom $129	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $139	Free Cancellation	Rating 8.0 4,250 reviews	Search Southwest flights
United Airlines	PriceFrom $190	Free Cancellation	Rating 7.4 8,846 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.

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Cheap flights from Philadelphia to the United States from $30

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 8/12. 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

JetBlue flights from Philadelphia to United States

Our best JetBlue deals on Philadelphia to United States flight tickets

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 at noon when flights can be purchased for as low as $413. Try not to purchase tickets in the evening because they tend to be around $637. 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, Spirit Airlines, and Southwest 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 July 2025, there are 247 flights per day flying from Philadelphia to United States. The most common time of day flights depart is 6:00PM, with 38% of flights taking off in the afternoon.

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

As of July 2025, there are 1,733 flights per week flying from Philadelphia to United States. The most common day of the week flights depart is Thu, with 17% 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