Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Philadelphia to Detroit from $37

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Detroit departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Philadelphia to Detroit

Cheap round-trip flights

Frontier Logo
6:00 am - 7:49 amPHL-DTW
1h 49mnonstop
Frontier Logo
8:44 am - 10:25 amDTW-PHL
1h 41mnonstop
$67Frontier
Find Deal
Thu, Aug 7 - Thu, Aug 14
Frontier Logo
6:00 am - 7:49 amPHL-DTW
1h 49mnonstop
Frontier Logo
8:44 am - 10:25 amDTW-PHL
1h 41mnonstop
$72Frontier
Find Deal
Thu, Jul 24 - Sun, Jul 27
Frontier Logo
6:00 am - 7:49 amPHL-DTW
1h 49mnonstop
Frontier Logo
8:44 am - 10:25 amDTW-PHL
1h 41mnonstop
$76Frontier
Find Deal
Thu, Aug 7 - Thu, Aug 14
Frontier Logo
6:00 am - 7:49 amPHL-DTW
1h 49mnonstop
Frontier Logo
8:44 am - 10:25 amDTW-PHL
1h 41mnonstop
$77Frontier
Find Deal
Thu, Aug 7 - Sun, Aug 10
Spirit Airlines Logo
7:00 am - 8:40 amPHL-DTW
1h 40mnonstop
Spirit Airlines Logo
7:10 pm - 8:49 pmDTW-PHL
1h 39mnonstop
$78Spirit Airlines
Find Deal
Tue, Aug 19 - Thu, Aug 21
Frontier Logo
6:00 am - 7:49 amPHL-DTW
1h 49mnonstop
Frontier Logo
8:44 am - 10:25 amDTW-PHL
1h 41mnonstop
$79Frontier
Find Deal
Thu, Jul 31 - Sun, Aug 3
Spirit Airlines Logo
7:00 am - 8:40 amPHL-DTW
1h 40mnonstop
Spirit Airlines Logo
7:10 pm - 8:49 pmDTW-PHL
1h 39mnonstop
$80Spirit Airlines
Find Deal
Mon, Aug 18 - Thu, Aug 21
Spirit Airlines Logo
7:00 am - 8:40 amPHL-DTW
1h 40mnonstop
Spirit Airlines Logo
7:10 pm - 8:49 pmDTW-PHL
1h 39mnonstop
$81Spirit Airlines
Find Deal
Wed, Aug 20 - Wed, Aug 27
 Logo
7:00 am - 8:40 amPHL-DTW
1h 40mnonstop
 Logo
9:16 am - 10:56 amDTW-PHL
1h 40mnonstop
Thu, Aug 28 - Mon, Sep 1
Spirit Airlines Logo
7:00 am - 8:40 amPHL-DTW
1h 40mnonstop
Spirit Airlines Logo
7:10 pm - 8:49 pmDTW-PHL
1h 39mnonstop
$87Spirit Airlines
Find Deal
Wed, Aug 13 - Fri, Aug 15

Spirit Airlines flights from Philadelphia to Detroit

Our best Spirit Airlines deals on Philadelphia to Detroit flight tickets
Spirit Airlines
Aug 19
PHL7:00 amPhiladelphia
1h 40m
DTW8:40 amDetroit Metropolitan Wayne County
Aug 21
DTW7:10 pmDetroit Metropolitan Wayne County
1h 39m
PHL8:49 pmPhiladelphia
Spirit Airlines
Aug 18
PHL7:00 amPhiladelphia
1h 40m
DTW8:40 amDetroit Metropolitan Wayne County
Aug 21
DTW7:10 pmDetroit Metropolitan Wayne County
1h 39m
PHL8:49 pmPhiladelphia
Spirit Airlines
Aug 20
PHL7:00 amPhiladelphia
1h 40m
DTW8:40 amDetroit Metropolitan Wayne County
Aug 27
DTW7:10 pmDetroit Metropolitan Wayne County
1h 39m
PHL8:49 pmPhiladelphia

Frontier flights from Philadelphia to Detroit

Our best Frontier deals on Philadelphia to Detroit flight tickets
Frontier
Aug 7
PHL6:00 amPhiladelphia
1h 49m
DTW7:49 amDetroit Metropolitan Wayne County
Aug 14
DTW8:44 amDetroit Metropolitan Wayne County
1h 41m
PHL10:25 amPhiladelphia
Frontier
Jul 24
PHL6:00 amPhiladelphia
1h 49m
DTW7:49 amDetroit Metropolitan Wayne County
Jul 27
DTW8:44 amDetroit Metropolitan Wayne County
1h 41m
PHL10:25 amPhiladelphia
Frontier
Aug 7
PHL6:00 amPhiladelphia
1h 49m
DTW7:49 amDetroit Metropolitan Wayne County
Aug 14
DTW8:44 amDetroit Metropolitan Wayne County
1h 41m
PHL10:25 amPhiladelphia

See travel insights to Detroit from

How to get the cheapest flight ticket from Philadelphia to Detroit

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Detroit?

The cheapest month to fly to Detroit from Philadelphia is in August. Flight prices, which tend to average around $119, are often lower during this time because this is during the off-season. If you’re not able to fly to Detroit in August, then January is your next best option. Flight prices from Philadelphia to Detroit during January average around $139.

What is the cheapest day to depart on your flight to Detroit?

On average, the least expensive day to fly to Detroit from Philadelphia is on a Thursday. momondo users have found tickets for Thursday departures for as low as $272. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Detroit for around $459.

What is the cheapest time of day to depart on your flight to Detroit?

In the evening is the cheapest time of day to fly from Philadelphia to Detroit when you can find flight prices for as low as $261. Flying to Detroit in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $345 on average. Flights to Detroit from Philadelphia in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Philadelphia to Detroit flight route?

Fly from Philadelphia to Detroit Metropolitan Wayne County for the best Philadelphia - Detroit flight prices

How far in advance should I book a flight to Detroit?

You are more likely to see cheaper flights to Detroit from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Detroit for around $210 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Detroit from Philadelphia for as low as $150 on momondo.

What cabin class options are available on Philadelphia to Detroit flights?

There are 4 cabin classes available to choose from on Philadelphia to Detroit flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Philadelphia to Detroit flight prices changed over time?

As of July 2025, prices for Philadelphia to Detroit flights are approximately 65% cheaper when compared to flights at the same time last year.

When to book flights from Philadelphia to Detroit

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Detroit according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Detroit (PHL to DTT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Detroit

Best Price Found

$37

Fastest flight time

1h 40m

Direct flights

Every day

Airports in Detroit

1 airport
The best one-way flight to Detroit from Philadelphia in the past 72 hours is $37. The best round-trip flight deal from Philadelphia to Detroit found on momondo in the last 72 hours is $67.
The fastest flight from Philadelphia to Detroit takes 1h 40m
Direct flights go from Philadelphia to Detroit every day.
There is 1 airport near Detroit: Detroit Metropolitan Wayne County (DTW)

  • How far is Philadelphia to Detroit by plane?

    Detroit is 442.2 mi away from Philadelphia. Typically, this will take 1h 40m by plane in normal conditions.

  • When did momondo last update prices for flights from Philadelphia Airport to Detroit?

    Prices for flights from Philadelphia Airport to Detroit were last updated today.

  • How many operators does momondo search for flights from Philadelphia Airport to Detroit?

  • How old do you have to be to fly from Philadelphia Airport to Detroit?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to Detroit.

  • What documentation or ID do you need to fly to Detroit?

    The required travel and health documents for your Detroit trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Detroit. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Philadelphia to Detroit?

  • What is the most popular airline from Philadelphia to Detroit?


Best airlines flying from Philadelphia to Detroit

Compare and see reviews for airlines that fly from Philadelphia to Detroit with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $44Free CancellationRating
5.9
3,273 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $50Free CancellationRating
6.3
8,063 reviews
Search Spirit Airlines flights
DeltaPriceFrom $139Free CancellationRating
8.0
7,958 reviews
Search Delta flights
American AirlinesPriceFrom $139Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • Delta Flights From Philadelphia to Detroit

    Delta flight deals from Philadelphia to Detroit start from $139 round-trip. Over the 15 Delta flights for this route in a normal week, average airfare is usually $300 round-trip - but some users have found much cheaper deals with momondo.

  • American Airlines Flights From Philadelphia to Detroit

    American Airlines (7.2/10 from 10,000 reviews) operates around 17 flights from Philadelphia to Detroit in any given week. The average American Airlines airfare for this route is around $279, with deals from around $139 rare but found on momondo. Referenced prices are for round-trip Philadelphia to Detroit flight searches in the last 72 hours.


Traveling to a place near Detroit?

Book flights to Detroit if you plan to visit one of these locations
Port Huron
Roseville

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Detroit?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Detroit from Philadelphia.

Can I find flights from Philadelphia to Detroit with flexible booking policies on momondo?

All flight searches from Philadelphia to Detroit on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Philadelphia to Detroit?

momondo helps you find the best flight between Philadelphia and Detroit by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Philadelphia to Detroit right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Philadelphia to Detroit flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


An easier way to manage your Detroit trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 7/13
Sun 7/20

Find better results for your trip to the United States