Flights to Philadelphia

$29 Cheap flights to Philadelphia

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Philadelphia departing on 9/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from the United States to Philadelphia

Cheap round-trip flights

Frontier Logo
10:09 pm - 12:20 amATL-PHL
2h 11mnonstop
Frontier Logo
2:21 pm - 4:44 pmPHL-ATL
2h 23mnonstop
$55Frontier
Find Deal
Sat, Aug 30 - Wed, Sep 3
Frontier Logo
8:45 am - 10:52 amATL-PHL
2h 07mnonstop
Frontier Logo
6:26 pm - 8:59 pmPHL-ATL
2h 33mnonstop
$60Frontier
Find Deal
Sat, Nov 1 - Sat, Nov 8
Frontier Logo
10:09 pm - 12:20 amATL-PHL
2h 11mnonstop
Frontier Logo
6:37 pm - 9:16 pmPHL-ATL
2h 39mnonstop
$64Frontier
Find Deal
Sat, Aug 30 - Tue, Sep 2
Spirit Airlines Logo
6:00 am - 8:03 amATL-PHL
2h 03mnonstop
Spirit Airlines Logo
7:07 pm - 9:32 pmPHL-ATL
2h 25mnonstop
$85Spirit Airlines
Find Deal
Mon, Aug 25 - Tue, Aug 26
Spirit Airlines Logo
6:00 am - 8:03 amATL-PHL
2h 03mnonstop
Spirit Airlines Logo
7:07 pm - 9:32 pmPHL-ATL
2h 25mnonstop
$87Spirit Airlines
Find Deal
Wed, Aug 27 - Sat, Aug 30
United Airlines Logo
11:05 am - 2:17 pmORD-PHL
2h 12mnonstop
United Airlines Logo
5:15 pm - 6:37 pmPHL-ORD
2h 22mnonstop
$134United Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 13
American Airlines Logo
6:45 am - 9:45 amORD-PHL
2h 00mnonstop
American Airlines Logo
9:15 pm - 10:39 pmPHL-ORD
2h 24mnonstop
$139American Airlines
Find Deal
Sat, Oct 11 - Wed, Oct 15
American Airlines Logo
4:45 pm - 7:55 pmORD-PHL
2h 10mnonstop
American Airlines Logo
12:36 pm - 2:06 pmPHL-ORD
2h 30mnonstop
$140American Airlines
Find Deal
Sat, Sep 27 - Sat, Oct 4
Delta Logo
6:34 pm - 12:56 amHOU-PHL
5h 22m1 stop
Delta Logo
3:55 pm - 9:46 pmPHL-HOU
6h 51m1 stop
$237Delta
Find Deal
Wed, Sep 10 - Wed, Jan 7
Delta Logo
10:44 am - 5:33 pmHOU-PHL
5h 49m1 stop
Delta Logo
4:00 pm - 9:40 pmPHL-HOU
6h 40m1 stop
$238Delta
Find Deal
Sat, Sep 13 - Wed, Dec 3

momondo Fare Finder

 
Locate flights to Philadelphia that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on August 16, 2025.
Use the filters below to find and compare flights to Philadelphia that are best for you.

Fly from

Route

Depart

Return

Price

AtlantaPhiladelphia

ATL - PHL

ATLPHL

Atlanta Hartsfield-Jackson

Sat 8/30

10:09 pm-12:20 am

Nonstop2h 11m

Philadelphia

Wed 9/3

2:21 pm-4:44 pm

Nonstop2h 23m

$55

AtlantaPhiladelphia

ATL - PHL

ATLPHL

Atlanta Hartsfield-Jackson

Sat 11/1

8:45 am-10:52 am

Nonstop2h 07m

Philadelphia

Sat 11/8

6:26 pm-8:59 pm

Nonstop2h 33m

$60

AtlantaPhiladelphia

ATL - PHL

ATLPHL

Atlanta Hartsfield-Jackson

Sat 8/30

10:09 pm-12:20 am

Nonstop2h 11m

Philadelphia

Tue 9/2

6:37 pm-9:16 pm

Nonstop2h 39m

$64

AtlantaPhiladelphia

ATL - PHL

ATLPHL

Atlanta Hartsfield-Jackson

Mon 8/25

6:00 am-8:03 am

Nonstop2h 03m

Philadelphia

Tue 8/26

7:07 pm-9:32 pm

Nonstop2h 25m

$85

AtlantaPhiladelphia

ATL - PHL

ATLPHL

Atlanta Hartsfield-Jackson

Wed 8/27

6:00 am-8:03 am

Nonstop2h 03m

Philadelphia

Sat 8/30

7:07 pm-9:32 pm

Nonstop2h 25m

$87

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Sat 9/13

11:05 am-2:17 pm

Nonstop2h 12m

Philadelphia

Sat 9/13

5:15 pm-6:37 pm

Nonstop2h 22m

$134

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Sat 10/11

6:45 am-9:45 am

Nonstop2h 00m

Philadelphia

Wed 10/15

9:15 pm-10:39 pm

Nonstop2h 24m

$139

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Sat 9/27

4:45 pm-7:55 pm

Nonstop2h 10m

Philadelphia

Sat 10/4

12:36 pm-2:06 pm

Nonstop2h 30m

$140

HoustonPhiladelphia

HOU - PHL

HOUPHL

Houston Hobby

Wed 9/10

6:34 pm-12:56 am

1 stop5h 22m

Philadelphia

Wed 1/7

3:55 pm-9:46 pm

1 stop6h 51m

$237

HoustonPhiladelphia

HOU - PHL

HOUPHL

Houston Hobby

Sat 9/13

10:44 am-5:33 pm

1 stop5h 49m

Philadelphia

Wed 12/3

4:00 pm-9:40 pm

1 stop6h 40m

$238

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Philadelphia from

Philadelphia flights insights and trends

Explore insights for your Philadelphia flight to craft the best travel plan

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from United States is in September. Flight prices, which tend to average around $169, are often lower during this time because this is during the off-season. The month of December is another great option to travel to Philadelphia, with average flight prices from United States averaging around $219.

What is the absolute cheapest flight to Philadelphia?

The best deal found on momondo in the last two weeks was a flight to Philadelphia from Nashville for $57. This is 86% cheaper than most flight deals to Philadelphia. To find the cheapest price to Philadelphia from your area, use momondo’s Airport-to-Airport Pricing Tool.
See prices from:

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from United States to Philadelphia is on a Friday. Travelers who choose to depart for Philadelphia on a Friday will often find tickets for as low as $416. On the other hand, Sunday is the most expensive day to depart from United States because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $734.

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

According to our data, the cheapest time of day to fly to Philadelphia is at noon. momondo users have found flights departing from United States to Philadelphia at noon for as low as $356. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is in the afternoon when prices are around $603.

Cheapest flights to Philadelphia

Find the cheapest flights to Philadelphia from your nearest city or airport
CHEAPEST MONTH TO FLY TO PHILADELPHIA FROM LOS ANGELESSeptember26% cheaperFlying from Los Angeles to Philadelphia costs on average just $271 in September
MOST EXPENSIVE MONTH TO FLY TO PHILADELPHIA FROM LOS ANGELESDecember21% more expensiveIt costs about $441 for flights to Philadelphia from Los Angeles in December
MOST POPULAR MONTH TO FLY TO PHILADELPHIA FROM LOS ANGELESDecember104% more users visitedMore momondo users searched in flights to Philadelphia from Los Angeles in December than any other month

Cheap Philadelphia flight deals and tips

Summary info about Philadelphia flight prices, duration and airlines

Best One-Way Price

$29

Best Round-Trip Price

$55

Fastest flight time

1h 38m

Popular in

July
The best one-way flight price to Philadelphia from United States in the last 72 hours is $29 (Atlanta Hartsfield-Jackson to Philadelphia).
The best round-trip flight price to Philadelphia from United States in the last 72 hours is $55 (Atlanta Hartsfield-Jackson to Philadelphia).
The fastest flight to Philadelphia from United States takes 1h 38m (Boston Logan Intl to Philadelphia).
July has the highest demand for flights to Philadelphia, with a 19% price increase on average.

Frequently asked questions about flying to Philadelphia

When is it best to fly to Philadelphia to go sightseeing?

Most momondo users would consider April, May, and September to be the best times to fly to Philadelphia to see sights like University of Pennsylvania, Citizens Bank Park, and Reading Terminal Market. Typically, the weather in Philadelphia is under 70 degrees fahrenheit but still warm and the chance of rain is only moderate.

Is there an alternative airport near Philadelphia?

Finding an alternative and possibly cheaper destination airport near Philadelphia is possible. If you are planning a flight to Philadelphia, consider booking flights to Philadelphia Airport (7 mi from Philadelphia city center), Trenton-Mercer Airport (29 mi from Philadelphia city center), Greater Wilmington Airport (31 mi from Philadelphia city center), Atlantic City Airport (46 mi from Philadelphia city center) or Newark Airport (73 mi from Philadelphia city center).

Is there a cheaper alternative to flying into Philadelphia?

You can find deals at Greater Wilmington Airport for $109 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

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

Prices for flights to Philadelphia Airport are updated daily.

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

How old do you have to be to fly to Philadelphia Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Cape May
Rehoboth Beach
Ocean City
Wildwood Crest
King of Prussia
Reading
Dewey Beach
Newark
Cherry Hill
North Wildwood
Dover
Lewes
Avalon
Stone Harbor
Vineland
Essington
Exton
New Castle
Pottstown

Why use momondo?

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

Finding the right flight to Philadelphia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Philadelphia quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Philadelphia with this policy.

How can momondo help me find flights to Philadelphia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to Philadelphia.

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

Price alerts on flights to Philadelphia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Philadelphia trip

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1 adult
Thu 8/21
Thu 8/28

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