Cheap Flights from Toronto to Philadelphia Trenton-Mercer

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Flight deals from Toronto to Philadelphia Trenton-Mercer

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

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

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

Toronto to Philadelphia Trenton-Mercer: Alternative routes

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

Toronto to Philadelphia: Flight information

The things to know before you go.
Cheapest flight foundR 10,090
Cheapest month to flyAugust

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

The best price we found for a return flight from Toronto to Philadelphia Trenton-Mercer is R 9,552. 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 Toronto to Philadelphia Trenton-Mercer. But we found flights with one stop from R 9,552.
As of July 2025, there are no flights flying from Toronto to Philadelphia Trenton-Mercer.
The cheapest month to fly from Toronto to Philadelphia Trenton-Mercer is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Toronto to Philadelphia Trenton-Mercer Airport on Tuesday, 30 September 2025.
No airlines currently offer direct flights between Toronto and Philadelphia Trenton-Mercer 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 Philadelphia Trenton-Mercer 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 Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Philadelphia Trenton-Mercer is WestJet .

Travelling from Toronto to Trenton-Mercer Airport (TTN): What you need to know

  • When planning your flight from Toronto to Trenton-Mercer Airport (TTN), there's a good range of airports you can fly out of. Pearson International Airport (YYZ), Billy Bishop Toronto City Airport (YTZ) and Region of Waterloo International Airport (YKF) are Toronto's main options.

  • Philadelphia (where Trenton-Mercer Airport is located) and Toronto share the UTC-4 timezone. You can fly without needing to calculate any time difference.

  • To ensure you get on your flight from Toronto to TTN, leave enough time to navigate the airport and find your gate. Arriving two hours before international departures and an hour before domestic flights is the general rule.

  • Longer lines at security and check-in are likely if you're jetting off during high season, so allow even more breathing space. The recommendation for peak times? Get there up to four hours early for international flights and at least two hours for domestic departures.

Airports in Toronto

Pearson International Airport (YYZ)

  • Travelling from central Toronto to YYZ takes about 50 minutes on public transport. If you ride-share, drive or take a cab, you'll cover the 27 kilometres in 25 minutes or so, depending on traffic conditions.

  • Want a hassle-free start to your travels? Stay near Pearson International Airport. Whether you have an early flight from Toronto to Trenton-Mercer Airport or aren't a fan of being rushed, these hotels are just the thing:

  • When it comes to Pearson International Airport's on-time performance, data shows 63.97% of flights stick to their scheduled arrival time.

Billy Bishop Toronto City Airport (YTZ)

  • With public transport, you can travel from central Toronto to YTZ in around 40 minutes. The terminal is roughly 3 kilometres away, and getting there by car will take approximately 35 minutes.

  • Want to enjoy an extra night away before your Toronto to TTN flight? Check in to a hotel near Billy Bishop Toronto City Airport before your holiday officially starts. These stays have a room with your name on it:

  • When it comes to flight punctuality, Billy Bishop Toronto City Airport has an on-time arrival rate of 62.09%.

Region of Waterloo International Airport (YKF)

  • YKF is roughly 105 kilometres from central Toronto. The drive from the city centre to the airport takes about 1 hour 15 minutes. If you're thinking about using public transport, you can expect a journey of around 4 hours 5 minutes.

  • Make departure day worry-free — stay close to Region of Waterloo International Airport and know you'll make it to your boarding gate with time to spare. Get comfy at one of these hotels the day before if you have an early Toronto to Trenton-Mercer Airport flight:

  • The on-time performance rating of YKF is 63.64%. In other words, that's how often flights that depart this airport arrive at their final stop as planned.

About Trenton-Mercer Airport (TTN)

Getting from Trenton-Mercer Airport (TTN) to central Philadelphia

  • Trenton-Mercer Airport is around 48 kilometres from central Philadelphia. How long it'll take to get there in a cab or car hire will depend on the time of day. Do a little research beforehand.

  • Travelling by public transport typically takes 1 hour 45 minutes.

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

  • R 10,090 is the lowest price for a one-way ticket from Toronto to Trenton-Mercer Airport. A return flight starts at R 9,552. These prices can change based on demand.

  • Booking in advance is often the key to finding a cheap flight from Toronto to TTN. Flight prices rise as demand increases, so the closer your departure date, the more you'll likely spend on your ticket.

  • If you have some flexibility with your travel plans, use the 'Whole month' tool. It'll give you the cheapest price across every month when searching for your Toronto to Trenton-Mercer Airport ticket.

  • You don't need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll let you know the moment a lower fare pops up on plane tickets from Toronto to TTN.

  • Chase down a great fare on a flight from Toronto to Trenton-Mercer Airport with the help of the filters. Choose your ideal departure and arrival times, number of stops and airlines. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best.'

The best time to fly from Toronto to Trenton-Mercer Airport (TTN)

  • April is the quietest month for flights from Toronto to Trenton-Mercer Airport (TTN), while August is the busiest. Work out the best time to go to Philadelphia based on whether you like a laid-back vibe or a lively atmosphere.

  • The warmest month in Philadelphia is July, with temperatures ranging between 18ºC (64ºF) and 32ºC (90ºF). Book your Toronto to TTN plane ticket then if that's your idea of comfortable weather.

  • Search for cheap tickets from Toronto to Trenton-Mercer Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -7ºC (19ºF) and 9ºC (48ºF).

More about Philadelphia

Explore more of the United States

  • New York is just one of the many cities in the United States waiting to be discovered after you've experienced Philadelphia. Around 80 kilometres away to the north-east, check out popular attractions including Central Park, Manhattan Skyline and Statue of Liberty.

  • If you're eager to discover another corner of the United States, head for Baltimore, roughly 193 kilometres south-west of Philadelphia. Baltimore Aquarium, National Aquarium and Washington Monument and Mount Vernon Place are the start of reasons to visit.

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