Cheap Flights from Philadelphia Trenton-Mercer to Detroit Wayne County

Compare Philadelphia Trenton-Mercer to Detroit Wayne County flight deals

Find the cheapest month or even day of the year to fly to Detroit Wayne County

Book the best Detroit Wayne County fare with no extra fees

Flight deals from Philadelphia Trenton-Mercer to Detroit Wayne County

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

Find the cheapest month to fly from Philadelphia Trenton-Mercer to Detroit Wayne County

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

Philadelphia Trenton-Mercer to Detroit Wayne County: Alternative routes

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

Philadelphia to Detroit: Flight information

The things to know before you go.
Cheapest flight foundR 1,396
Cheapest month to flyNovember

Finding cheap flights from Philadelphia Trenton-Mercer to Detroit Wayne County: Frequently asked questions

The best price we found for a return flight from Philadelphia Trenton-Mercer to Detroit Wayne County is R 2,595. 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 Detroit Wayne County. But we found flights with one or more stops from R 2,595.
As of August 2025, there are no flights flying from Philadelphia Trenton-Mercer to Detroit Wayne County.
The cheapest month to fly from Philadelphia Trenton-Mercer to Detroit Wayne County is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Philadelphia Trenton-Mercer Airport to Detroit Wayne County Airport on Thursday, 11 September 2025.
No airlines currently offer direct flights between Philadelphia Trenton-Mercer Airport and Detroit Wayne County 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 Detroit Wayne County 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 Detroit 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 Detroit Wayne County.

Travelling from Trenton-Mercer Airport (TTN) to Detroit Metropolitan Wayne County Airport (DTW): what you need to know

  • Philadelphia and Detroit are in the same timezone, UTC-4.

  • Arrive at the airport on time so you don't miss your TTN to DTW flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • You'll likely experience longer queues during popular months such as August. Arriving up to four hours ahead of an international flight and two hours for a domestic departure will give you ample time for security and boarding.

How to find the cheapest flights from Trenton-Mercer Airport (TTN) to Detroit Metropolitan Wayne County Airport (DTW)

  • The cheapest price we've found for a one-way Trenton-Mercer Airport to Detroit Metropolitan Wayne County Airport flight is R 1,396. A return ticket is currently R 2,595. Depending on the availability when you book, these fares can change.

  • To get your hands on cheap tickets from TTN to DTW, book ahead. Airlines tend to offer their best fares when flights are first made available.

  • If you can be flexible with your trip dates, use the 'Whole month' tool. It'll find the cheapest price across the month when looking for a flight from Trenton-Mercer Airport to Detroit Metropolitan Wayne County Airport.

  • Picking up cheap flights from TTN to DTW is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll notify you when there's a better deal.

  • Choose your ideal arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Trenton-Mercer Airport to Detroit Metropolitan Wayne County Airport.

Handy information about Trenton-Mercer Airport (TTN)

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

  • 82.45% of flights departing from Trenton-Mercer Airport touch down at their destination on time. Given its strong on-time stats, delays are unlikely when setting off from TTN.

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

  • The journey when using public transport typically takes 1 hour 45 minutes.

  • Taking an early flight from Trenton-Mercer Airport to Detroit Metropolitan Wayne County Airport? Avoid rushing to the terminal (and sneak in some extra snooze time) by choosing one of these stays close to TTN:

Arriving at Detroit Metropolitan Wayne County Airport (DTW)

Getting from Detroit Metropolitan Wayne County Airport (DTW) to central Detroit

  • The address for DTW is 1 Detroit Metro Airport.

  • Detroit Metropolitan Wayne County Airport to the centre of Detroit has a drive time of about 25 minutes. It's approximately 32 kilometres away.

  • If you're travelling by public transport, expect a journey of roughly 1 hour 10 minutes.

When to fly to Detroit Metropolitan Wayne County Airport (DTW)

  • It's time to choose your dates for your flight from Trenton-Mercer Airport to Detroit Metropolitan Wayne County Airport. August is the most popular month to visit Detroit. If you want a quieter vibe, go in February.

  • When reserving your flight from Trenton-Mercer Airport to Detroit Metropolitan Wayne County Airport, think about the kind of weather you like. July is the warmest month in Detroit, with the temperature ranging from 15ºC (59ºF) to 30ºC (86ºF).

  • If you'd rather travel in cooler conditions, look for a cheap ticket from TTN to DTW in January. Average temperatures are between -12ºC (10ºF) and 3ºC (37ºF) then.

Explore more of United States

  • Chicago is just one of the many cities in United States waiting to be discovered once you've seen Detroit. Around 386 kilometres away to the west, its best attractions include Millennium Park, Art Institute of Chicago and LandShark Beer Garden at Navy Pier.

  • If you're looking to explore another great destination in United States, consider Columbus, about 257 kilometres south of Detroit. Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village are key highlights.

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