Flights to Philadelphia

$40 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 3/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from the United States to Philadelphia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:50 pm - 12:52 am
ATL
-
PHL
2h 02mnonstop
Frontier Logo
5:05 am - 7:40 am
PHL
-
ATL
2h 35mnonstop
$84Frontier
Wed, Mar 11 - Sun, Mar 15
Frontier Logo
10:56 pm - 12:58 am
ATL
-
PHL
2h 02mnonstop
Frontier Logo
7:10 pm - 9:51 pm
PHL
-
ATL
2h 41mnonstop
$86Frontier
Sat, Mar 28 - Tue, Mar 31
Frontier Logo
10:59 pm - 1:01 am
ATL
-
PHL
2h 02mnonstop
Frontier Logo
5:05 am - 7:40 am
PHL
-
ATL
2h 35mnonstop
$87Frontier
Thu, Mar 5 - Sun, Mar 15
Spirit Airlines Logo
7:50 am - 4:26 pm
DFW
-
PHL
7h 36m
1 stop
Spirit Airlines Logo
5:26 pm - 11:17 pm
PHL
-
DFW
6h 51m
1 stop
$112Spirit Airlines
Wed, Feb 25 - Wed, Mar 11
Spirit Airlines Logo
7:15 pm - 8:44 am
DFW
-
PHL
12h 29m
1 stop
Spirit Airlines Logo
5:26 pm - 11:17 pm
PHL
-
DFW
6h 51m
1 stop
$114Spirit Airlines
Thu, Feb 26 - Mon, Mar 2
American Airlines Logo
2:31 pm - 4:06 pm
BOS
-
PHL
1h 35mnonstop
American Airlines Logo
7:28 pm - 8:55 pm
PHL
-
BOS
1h 27mnonstop
$122American Airlines
Tue, Mar 3 - Tue, Mar 3
Delta Logo
8:51 am - 10:26 am
BOS
-
PHL
1h 35mnonstop
Delta Logo
6:00 am - 7:32 am
PHL
-
BOS
1h 32mnonstop
$127Delta
Thu, Mar 5 - Mon, Mar 9
American Airlines Logo
5:49 am - 7:30 am
BOS
-
PHL
1h 41mnonstop
American Airlines Logo
9:57 pm - 11:23 pm
PHL
-
BOS
1h 26mnonstop
$128American Airlines
Thu, Feb 26 - Mon, Mar 2
Delta Logo
5:23 pm - 12:59 am
HOU
-
PHL
6h 36m
1 stop
Delta Logo
5:44 am - 9:51 am
PHL
-
HOU
5h 07m
1 stop
$239Delta
Fri, Apr 17 - Sun, Apr 26
United Airlines Logo
11:05 pm - 7:15 am
SFO
-
PHL
5h 10mnonstop
United Airlines Logo
6:20 pm - 9:50 pm
PHL
-
SFO
6h 30mnonstop
$289United Airlines
Fri, Mar 6 - Sat, Mar 7

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 February 14, 2026.
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

Wed 3/11

10:50 pm-12:52 am

Nonstop2h 02m

Philadelphia

Sun 3/15

5:05 am-7:40 am

Nonstop2h 35m

$84

AtlantaPhiladelphia

ATL - PHL

ATLPHL

Atlanta Hartsfield-Jackson

Sat 3/28

10:56 pm-12:58 am

Nonstop2h 02m

Philadelphia

Tue 3/31

7:10 pm-9:51 pm

Nonstop2h 41m

$86

AtlantaPhiladelphia

ATL - PHL

ATLPHL

Atlanta Hartsfield-Jackson

Thu 3/5

10:59 pm-1:01 am

Nonstop2h 02m

Philadelphia

Sun 3/15

5:05 am-7:40 am

Nonstop2h 35m

$87

DallasPhiladelphia

DFW - PHL

DFWPHL

Dallas/Fort Worth

Wed 2/25

7:50 am-4:26 pm

1 stop7h 36m

Philadelphia

Wed 3/11

5:26 pm-11:17 pm

1 stop6h 51m

$112

DallasPhiladelphia

DFW - PHL

DFWPHL

Dallas/Fort Worth

Thu 2/26

7:15 pm-8:44 am

1 stop12h 29m

Philadelphia

Mon 3/2

5:26 pm-11:17 pm

1 stop6h 51m

$114

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Tue 3/3

2:31 pm-4:06 pm

Nonstop1h 35m

Philadelphia

Tue 3/3

7:28 pm-8:55 pm

Nonstop1h 27m

$122

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Thu 3/5

8:51 am-10:26 am

Nonstop1h 35m

Philadelphia

Mon 3/9

6:00 am-7:32 am

Nonstop1h 32m

$127

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Thu 2/26

5:49 am-7:30 am

Nonstop1h 41m

Philadelphia

Mon 3/2

9:57 pm-11:23 pm

Nonstop1h 26m

$128

HoustonPhiladelphia

HOU - PHL

HOUPHL

Houston Hobby

Fri 4/17

5:23 pm-12:59 am

1 stop6h 36m

Philadelphia

Sun 4/26

5:44 am-9:51 am

1 stop5h 07m

$239

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Fri 3/6

11:05 pm-7:15 am

Nonstop5h 10m

Philadelphia

Sat 3/7

6:20 pm-9:50 pm

Nonstop6h 30m

$289

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 absolute cheapest flight to Philadelphia?

The best deal found on momondo in the last two weeks was a flight to Philadelphia from Fort Lauderdale for $55. This is 87% 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 Saturday. Travelers who choose to depart for Philadelphia on a Saturday will often find tickets for as low as $387. 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 $635.

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 in the morning. momondo users have found flights departing from United States to Philadelphia in the morning for as low as $439. 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 $614.

Cheapest flights to Philadelphia

Find the cheapest flights to Philadelphia from your nearest city or airport
CHEAPEST MONTH TO FLY TO PHILADELPHIA FROM LOS ANGELESJuly26% cheaperFlying from Los Angeles to Philadelphia costs on average just $306 in July
MOST EXPENSIVE MONTH TO FLY TO PHILADELPHIA FROM LOS ANGELESDecember34% more expensiveIt costs about $551 for flights to Philadelphia from Los Angeles in December
MOST POPULAR MONTH TO FLY TO PHILADELPHIA FROM LOS ANGELESJuly176% more users visitedMore momondo users searched in flights to Philadelphia from Los Angeles in July than any other month

Cheap Philadelphia flight deals and tips

Summary info about Philadelphia flight prices, duration and airlines

Best One-Way Price

$40

Best Round-Trip Price

$84

Fastest flight time

1h 35m

Popular in

October
The best one-way flight price to Philadelphia from United States in the last 72 hours is $40 (Atlanta Hartsfield-Jackson to Philadelphia).
The best round-trip flight price to Philadelphia from United States in the last 72 hours is $84 (Atlanta Hartsfield-Jackson to Philadelphia).
The fastest flight to Philadelphia from United States takes 1h 35m (Boston Logan Intl to Philadelphia).
October has the highest demand for flights to Philadelphia, with a 16% 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.

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from United States is in March. Flight prices, which tend to average around $220, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Philadelphia, with average flight prices from United States averaging around $278.

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 Trenton-Mercer Airport for $144 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
Wildwood Crest
Ocean City
Cherry Hill
King of Prussia
Newark
Dewey Beach
Reading
Avalon
North Wildwood
Dover
Lewes
Stone Harbor
Essington
Vineland
New Castle
Elkton
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
Mon 3/16
Mon 3/23

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