Cheap Flights from Philadelphia Trenton-Mercer to Raleigh / Durham

Compare Philadelphia Trenton-Mercer to Raleigh / Durham flight deals

Find the cheapest month or even day of the year to fly to Raleigh / Durham

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Flight deals from Philadelphia Trenton-Mercer to Raleigh / Durham

Looking for a cheap last-minute deal or the best return flight from Philadelphia Trenton-Mercer Airport to Raleigh / Durham Airport? If you want to travel next month, return fares start from R 3,009. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Philadelphia Trenton-Mercer to Raleigh / Durham

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

Philadelphia Trenton-Mercer to Raleigh / Durham: Alternative routes

Compare routes from Philadelphia Trenton-Mercer to Durham below. You may find an airport to fly into that's cheaper, faster, or easier than Raleigh / Durham.

Philadelphia to Durham: Flight information

The things to know before you go.
Cheapest flight foundR 1,578
Cheapest month to flyJuly

Finding cheap flights from Philadelphia Trenton-Mercer to Raleigh / Durham: Frequently asked questions

The best price we found for a return flight from Philadelphia Trenton-Mercer to Raleigh / Durham is R 3,009. 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 Raleigh / Durham. But we found flights with one or more stops from R 3,009.
As of May 2026, there are no flights flying from Philadelphia Trenton-Mercer to Raleigh / Durham.
The cheapest month to fly from Philadelphia Trenton-Mercer to Raleigh / Durham is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Philadelphia Trenton-Mercer Airport to Raleigh / Durham Airport on Monday, 8 June 2026.
No airlines currently offer direct flights between Philadelphia Trenton-Mercer Airport and Raleigh / Durham Airport. 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 Raleigh / Durham 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 Durham is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Raleigh / Durham.

Flying from Trenton-Mercer Airport (TTN) to Raleigh-Durham International Airport (RDU): what you need to know

  • Take a direct flight from Trenton-Mercer Airport to Raleigh-Durham International Airport and you'll be travelling for an average of 1 hour 30 minutes.

  • Philadelphia and Durham share the same timezone, UTC-4.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Show up at the airport on time to catch your TTN to RDU flight.

  • Travelling during a peak time such as August? Public holidays and other popular seasons can result in longer lines at security. Play things extra safe and arrive up to four hours before international flights and two hours before a domestic departure.

  • Frontier Airlines is your ticket to exploring Durham (and maybe even some other exciting corners of United States!). Browse the direct flights from Trenton-Mercer Airport to Raleigh-Durham International Airport offered by this popular carrier.

  • The majority of passengers choose to travel with Frontier Airlines on this route.

How to find the cheapest flights from Trenton-Mercer Airport (TTN) to Raleigh-Durham International Airport (RDU)

  • R 1,578 is the best price for a one-way Trenton-Mercer Airport to Raleigh-Durham International Airport flight. Return flights start from R 3,009. These fares may change based on demand.

  • To secure cheap tickets from TTN to RDU, book your trip six months before your planned departure.

  • Schedule your trip for May. That's the cheapest month for flights from Trenton-Mercer Airport to Raleigh-Durham International Airport. If you're flexible with your dates, use the 'Whole month' tool to find the lowest airfare across every month.

  • Picking up cheap flights from TTN to RDU is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch when a new discounted fare appears.

  • Tailor your flights using filters. Select your ideal arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Trenton-Mercer Airport to Raleigh-Durham International Airport.

Handy information about Trenton-Mercer Airport (TTN)

  • TTN's address is Scotch Road, Terminal Building.

  • 82.45% of flights leaving Trenton-Mercer Airport arrive at their destination on time. Given its strong on-time performance, you're unlikely to be delayed when jetting out of TTN.

  • Trenton-Mercer Airport is around 56 kilometres from central Philadelphia. If you're catching a cab, ride-sharing or driving from the centre, it'll take 40 minutes or so to arrive, depending on the traffic.

  • Taking public transport? You can expect a journey time of around 1 hour 45 minutes.

  • Taking an early flight from Trenton-Mercer Airport to Raleigh-Durham International Airport? Avoid the last-minute rush to the terminal (and sneak in some extra snooze time) by choosing one of these hotels near TTN:

Arriving at Raleigh-Durham International Airport (RDU)

Getting from Raleigh-Durham International Airport (RDU) to central Durham

  • Raleigh-Durham International Airport is approximately 23 kilometres from the centre of Durham. The drive time takes around 20 minutes.

  • If you're travelling on public transport, expect a journey time of around 1 hour 10 minutes.

When to fly to Raleigh-Durham International Airport (RDU)

  • It's time to plan your travel dates for your flight from Trenton-Mercer Airport to Raleigh-Durham International Airport. July is the busiest month to visit Durham. If you'd like a more relaxed vibe, go in May.

  • The warmest month in Durham is July, with the temperature ranging between 19ºC (66ºF) and 33ºC (91ºF). Book your flights from Trenton-Mercer Airport to Raleigh-Durham International Airport in this month if you enjoy this type of weather.

  • January sees average temperatures of between -3ºC (27ºF) and 13ºC (55ºF). Look for cheap tickets from TTN to RDU sometime then if you like cooler conditions.

Explore more of United States

  • Durham is always a good idea, but there are so many other corners of United States just waiting to be explored. About 193 kilometres south-west of Durham, a visit to Charlotte will keep your itinerary busy. Start with popular sights like NASCAR Hall of Fame, Freedom Park and Carolinas Aviation Museum.

  • Around 418 kilometres north-east of Durham, Baltimore is another essential stop in United States. No visit is complete without checking out Huber Memorial Church, WBAL Radio and Marine Mammal Pavilion.

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