ATL to PHL from $56 in economy

F9Frontier Airlines

Round Trip•Economy

ATL

Hartsfield–Jackson Atlanta Inte

Atlanta, United States

PHL

Philadelphia International Airport

Philadelphia, United States

$135 USD

-59%$56 USD

Verified about 9 hours ago

December 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$286 1$245 2$245 3$281 4$281 5$276 6$281 7$273 8$257 9$257 10$262 11$262 12$257 13$262 14$262 15$257 16$257 17$262 18$297 19$287 20$297 21$249 22$238 23$248 24$259 25$262 26$259 27$308 28$260 29$249 30$249 31 1 2 3

Good Availability

47% of dates checked are available within 10% of the lowest price

Friday, December 25th, 2026

6 round-trip options

Returning

Wed, Dec 30, 2026•5 Day Trip

$262 USD

Google Flights

Returning

Thu, Dec 31, 2026•6 Day Trip

$273 USD

Google Flights

Returning

Fri, Jan 1, 2027•7 Day Trip

$321 USD

Google Flights

Returning

Sat, Jan 2, 2027•8 Day Trip

$311 USD

Google Flights

Returning

Sun, Jan 3, 2027•9 Day Trip

$321 USD

Google Flights

Returning

Mon, Jan 4, 2027•10 Day Trip

$273 USD

Google Flights

Atlanta (ATL) to Philadelphia (PHL) flight deal in economy from $56

Hartsfield–Jackson Atlanta Inte

Philadelphia International Airport

December 2026

Friday, December 25th, 2026