Cheap Flights from Philadelphia Trenton-Mercer to Atlanta

Compare Philadelphia Trenton-Mercer to Atlanta flight deals

Find the cheapest month or even day of the year to fly to Atlanta

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Flight deals from Philadelphia Trenton-Mercer to Atlanta

Looking for a cheap last-minute deal or the best return flight from Philadelphia Trenton-Mercer to Atlanta? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Philadelphia Trenton-Mercer to Atlanta

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Philadelphia Trenton-Mercer to Atlanta flights are currently cheapest in March.

Alternative Philadelphia Trenton-Mercer to Atlanta routes

Looking for the cheapest, fastest or easiest route from Philadelphia Trenton-Mercer to Atlanta? You could fly into the following airports instead.

Philadelphia to Atlanta: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 261
Cheapest month to flyMarch

Finding cheap flights from Philadelphia Trenton-Mercer to Atlanta: Frequently asked questions

There are 3 airports in Atlanta: Atlanta Fulton County, Atlanta Hartsfield-Jackson and Atlanta De Kalb / Peachtree.
The best price we found for a return flight from Philadelphia Trenton-Mercer to Atlanta is ر.ق.‏ 569. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Philadelphia Trenton-Mercer to Atlanta. But we found flights with one or more stops from ر.ق.‏ 569.
As of February 2026, there are no flights flying from Philadelphia Trenton-Mercer to Atlanta.
The cheapest month to fly from Philadelphia Trenton-Mercer to Atlanta is usually March.
If you're flying from Philadelphia Trenton-Mercer Airport, the cheapest airport near Atlanta is Atlanta Hartsfield-Jackson – which is 12.6 km away from the centre of Atlanta. We've found flights into this airport from ر.ق.‏ 569.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Philadelphia Trenton-Mercer Airport to Atlanta on Monday, 9 March 2026.
No airlines currently offer direct flights between Philadelphia Trenton-Mercer Airport and Atlanta. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Atlanta but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Atlanta is around 40 days in advance, so don’t leave your flight to the last minute.
In February, the average temperature is usually around 7°C. July is typically the warmest month in Atlanta, when it usually averages around 33°C. You can expect the least rain in October. The coldest month is January, with temperatures averaging -0°C. The rainiest month is July.
Currently, Frontier Airlines offers the cheapest flight tickets to Atlanta.

Travelling from Trenton-Mercer Airport (TTN) to Atlanta: what you need to know

  • The average length of a direct flight from Trenton-Mercer Airport to Atlanta is 2 hours 10 minutes.

  • Philadelphia (the location of Trenton-Mercer Airport) and Atlanta are in the same timezone — UTC-4.

  • Allow plenty of time to catch your TTN to Atlanta flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • If you're jetting off during a major holiday or another peak period, allow extra time. A good rule is two hours before domestic flights and up to four hours before international departures. Lines at security and check-in will be longer.

  • Begin your trip at TTN and fly straight to Hartsfield-Jackson Atlanta International Airport (ATL). That's where you can expect to land when searching for Trenton-Mercer Airport to Atlanta tickets.

  • Book your ticket with Frontier Airlines. This popular airline operates direct flights from Trenton-Mercer Airport to Atlanta.

  • Travelling from central Philadelphia to TTN takes about 1 hour 45 minutes by public transport. If you ride-share, drive or grab a cab, you'll cover the 48 kilometres in 40 minutes or so, depending on traffic conditions.

  • Searching for a hotel near TTN? If you're catching an early flight from Trenton-Mercer Airport to Atlanta, these stays will put you moments from your departure gate:

  • 82.45% of flights departing from Trenton-Mercer Airport land at their destination according to schedule. With its solid on-time performance, disruptions are unlikely when jetting out of TTN.

  • The address for TTN is Scotch Road, Terminal Building.

How to find the cheapest flights from Trenton-Mercer Airport (TTN) to Atlanta

  • ر.ق.‏ 261 is the lowest price we've seen for a one-way Trenton-Mercer Airport to Atlanta flight. A round-trip flight ticket right now is ر.ق.‏ 569. Depending on the availability when you book, these fares can change.

  • Score cheap flights from TTN to Atlanta by booking one month ahead. Based on our research, that's the sweet spot for finding the biggest deals.

  • The best month for landing cheap Trenton-Mercer Airport to Atlanta tickets is May. Use the 'Whole month' tool to compare prices, then select the dates with the lowest fares.

  • Stay on top of deals for cheap flights from TTN to Atlanta by creating a Price Alert. We'll send you an email or push notification on the app when a lower fare becomes available.

  • Pick your preferred departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from Trenton-Mercer Airport to Atlanta by 'Best,' 'Cheapest' or 'Fastest.'

Airports in Atlanta

Hartsfield-Jackson Atlanta International Airport (ATL)

  • The distance from Hartsfield-Jackson Atlanta International Airport (ATL) to central Atlanta is roughly 18 kilometres. It'll take you about 15 minutes to reach the centre driving.

  • It'll take around 1 hour 10 minutes to get there using public transport.

  • If you have a late flight from Trenton-Mercer Airport to Atlanta, nothing beats the convenience of staying near the terminal. Collect your bags from the carousel and then be showered and resting not long after at one of these hotels near ATL:

  • Pick up a Hartsfield-Jackson Atlanta International Airport rental car and discover Atlanta and beyond with your own wheels. Thrifty, Dollar and Europcar are well-known companies to choose from here.

  • Lock in the lowest price by booking your ride from Hartsfield-Jackson Atlanta International Airport about three weeks in advance of your flight from TTN to Atlanta.

  • You'll find ATL at 6000 N Terminal Parkway.

Best time to go to Atlanta

  • Carefully consider your trip dates before booking your flight from Trenton-Mercer Airport to Atlanta. The city buzzes in peak season, but hotel prices are typically higher and attractions can get crowded. Visit Atlanta in the low season if you like a more relaxed vibe.

  • Book a Trenton-Mercer Airport to Atlanta flight ticket with a departure in July if you want to visit the city during its warmest month. You can expect temperatures to range from 19ºC to 34ºC.

  • If you like cooler conditions, search for a cheap ticket from TTN to Atlanta in January when temperatures average between -3ºC and 14ºC.

More about Atlanta

  • Start your Atlanta trip right by choosing the ideal place to stay. As soon as you've booked your flight from Trenton-Mercer Airport to Atlanta, browse our selection of accommodation options including:

  • Centennial Olympic Park and Georgia Aquarium are just the start of the top-rated attractions to put on your Atlanta travel itinerary. Keep the adventure rolling by checking out Piedmont Park.

Explore more of United States

  • You've seen Atlanta, now it's time to explore other corners of United States. Travel around 467 kilometres south-east to Jacksonville to check off its must-visit sights. From Jacksonville Zoo and Gardens to The Cummer Museum of Art & Gardens and Friendship Fountain, you'll have a packed itinerary ahead.

  • If you're eager to discover another well-known destination in United States, head for Charlotte, roughly 370 kilometres north-east of Atlanta. NASCAR Hall of Fame, Freedom Park and Carolinas Aviation Museum are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.