Cheap flights from Philadelphia to Detroit from $56

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 9/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Philadelphia to Detroit (PHL-DTT)

Cheap round-trip flights

Spirit Airlines Logo
6:25 am - 8:17 amPHL-DTW
1h 52mnonstop
Spirit Airlines Logo
8:45 pm - 10:29 pmDTW-PHL
1h 44mnonstop
$99Spirit Airlines
Find Deal
mié., sep. 17 - mié., sep. 24
Spirit Airlines Logo
12:00 pm - 11:43 pmPHL-DTW
11h 43m1 stop
Spirit Airlines Logo
8:45 pm - 10:29 pmDTW-PHL
1h 44mnonstop
$105Spirit Airlines
Find Deal
mié., sep. 17 - mié., sep. 24
Spirit Airlines Logo
6:25 am - 8:17 amPHL-DTW
1h 52mnonstop
Spirit Airlines Logo
8:45 pm - 10:29 pmDTW-PHL
1h 44mnonstop
$110Spirit Airlines
Find Deal
sáb., sep. 6 - lun., sep. 8
Spirit Airlines Logo
6:25 am - 8:17 amPHL-DTW
1h 52mnonstop
Spirit Airlines Logo
8:45 pm - 10:29 pmDTW-PHL
1h 44mnonstop
$112Spirit Airlines
Find Deal
mar., sep. 16 - mar., sep. 23
Spirit Airlines Logo
6:25 am - 8:17 amPHL-DTW
1h 52mnonstop
Spirit Airlines Logo
8:45 pm - 10:29 pmDTW-PHL
1h 44mnonstop
$113Spirit Airlines
Find Deal
jue., sep. 18 - vie., sep. 19
Spirit Airlines Logo
6:25 am - 8:17 amPHL-DTW
1h 52mnonstop
Spirit Airlines Logo
8:45 pm - 10:29 pmDTW-PHL
1h 44mnonstop
$114Spirit Airlines
Find Deal
jue., sep. 18 - sáb., sep. 20
 Logo
6:25 am - 8:17 amPHL-DTW
1h 52mnonstop
 Logo
1:36 pm - 9:11 pmDTW-PHL
7h 35m1 stop
sáb., sep. 6 - lun., sep. 8
Frontier Logo
6:20 am - 8:09 amPHL-DTW
1h 49mnonstop
Frontier Logo
8:00 am - 4:54 amDTW-PHL
20h 54m1 stop
$135Frontier
Find Deal
lun., sep. 1 - mié., sep. 3
Frontier Logo
5:15 am - 2:46 pmPHL-DTW
9h 31m1 stop
Frontier Logo
9:39 am - 10:19 amDTW-PHL
24h 40m1 stop
$143Frontier
Find Deal
vie., sep. 12 - dom., sep. 14
Frontier Logo
10:16 pm - 10:45 amPHL-DTW
12h 29m1 stop
Frontier Logo
9:39 am - 10:19 amDTW-PHL
24h 40m1 stop
$144Frontier
Find Deal
vie., sep. 12 - dom., sep. 14

Spirit Airlines flights from Philadelphia to Detroit

Our best Spirit Airlines deals on Philadelphia to Detroit flight tickets
Spirit Airlines
Sep 17
PHL6:25 amPhiladelphia
1h 52m
DTW8:17 amDetroit Metropolitan Wayne County
Sep 24
DTW8:45 pmDetroit Metropolitan Wayne County
1h 44m
PHL10:29 pmPhiladelphia
Spirit Airlines
Sep 17
PHL12:00 pmPhiladelphia
11h 43m
1 stop
DTW11:43 pmDetroit Metropolitan Wayne County
Sep 24
DTW8:45 pmDetroit Metropolitan Wayne County
1h 44m
PHL10:29 pmPhiladelphia
Spirit Airlines
Sep 6
PHL6:25 amPhiladelphia
1h 52m
DTW8:17 amDetroit Metropolitan Wayne County
Sep 8
DTW8:45 pmDetroit Metropolitan Wayne County
1h 44m
PHL10:29 pmPhiladelphia

Frontier flights from Philadelphia to Detroit

Our best Frontier deals on Philadelphia to Detroit flight tickets
Frontier
Aug 25
PHL6:20 amPhiladelphia
1h 49m
DTW8:09 amDetroit Metropolitan Wayne County
Sep 3
DTW7:02 pmDetroit Metropolitan Wayne County
15h 54m
1 stop
PHL10:56 amPhiladelphia
Frontier
Aug 27
PHL12:18 pmPhiladelphia
25h 43m
1 stop
DTW2:01 pmDetroit Metropolitan Wayne County
Aug 29
DTW9:16 amDetroit Metropolitan Wayne County
1h 40m
PHL10:56 amPhiladelphia
Frontier
Aug 29
PHL6:20 amPhiladelphia
1h 49m
DTW8:09 amDetroit Metropolitan Wayne County
Aug 29
DTW9:16 amDetroit Metropolitan Wayne County
1h 40m
PHL10:56 amPhiladelphia

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Detroit that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated agosto 21, 2025.
Use the filters below to find and compare flights from Philadelphia to Detroit that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

mié. 9/17

6:25 am-8:17 am

Nonstop1h 52m

Detroit Metropolitan Wayne County

mié. 9/24

8:45 pm-10:29 pm

Nonstop1h 44m

$99

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

mié. 9/17

12:00 pm-11:43 pm

1 stop11h 43m

Detroit Metropolitan Wayne County

mié. 9/24

8:45 pm-10:29 pm

Nonstop1h 44m

$105

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

sáb. 9/6

6:25 am-8:17 am

Nonstop1h 52m

Detroit Metropolitan Wayne County

lun. 9/8

8:45 pm-10:29 pm

Nonstop1h 44m

$110

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

mar. 9/16

6:25 am-8:17 am

Nonstop1h 52m

Detroit Metropolitan Wayne County

mar. 9/23

8:45 pm-10:29 pm

Nonstop1h 44m

$112

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

jue. 9/18

6:25 am-8:17 am

Nonstop1h 52m

Detroit Metropolitan Wayne County

vie. 9/19

8:45 pm-10:29 pm

Nonstop1h 44m

$113

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

jue. 9/18

6:25 am-8:17 am

Nonstop1h 52m

Detroit Metropolitan Wayne County

sáb. 9/20

8:45 pm-10:29 pm

Nonstop1h 44m

$114

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

sáb. 9/6

6:25 am-8:17 am

Nonstop1h 52m

Detroit Metropolitan Wayne County

lun. 9/8

1:36 pm-9:11 pm

1 stop7h 35m

$129

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

lun. 9/1

6:20 am-8:09 am

Nonstop1h 49m

Detroit Metropolitan Wayne County

mié. 9/3

8:00 am-4:54 am

1 stop20h 54m

$135

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

vie. 9/12

5:15 am-2:46 pm

1 stop9h 31m

Detroit Metropolitan Wayne County

dom. 9/14

9:39 am-10:19 am

1 stop24h 40m

$143

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

vie. 9/12

10:16 pm-10:45 am

1 stop12h 29m

Detroit Metropolitan Wayne County

dom. 9/14

9:39 am-10:19 am

1 stop24h 40m

$144

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 January. Flight prices, which tend to average around $139, are often lower during this time because this is during the off-season. If you’re not able to fly to Detroit in January, then August is your next best option. Flight prices from Philadelphia to Detroit during August average around $146.

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 $276. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Detroit for around $458.

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

At noon is the cheapest time of day to fly from Philadelphia to Detroit when you can find flight prices for as low as $281. Flying to Detroit at noon 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 $364 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 $225 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 $171 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 August 2025, prices for Philadelphia to Detroit flights are approximately 4% 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

$115

Fastest flight time

1h 39m

Direct flights

Every day

Airports in Detroit

1 airport
The best one-way flight to Detroit from Philadelphia in the past 72 hours is $115. The best round-trip flight deal from Philadelphia to Detroit found on momondo in the last 72 hours is $176.
The fastest flight from Philadelphia to Detroit takes 1h 39m
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 $48Free CancellationRating
5.8
3,207 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $64Free CancellationRating
6.3
8,035 reviews
Search Spirit Airlines flights
DeltaPriceFrom $140Free CancellationRating
7.9
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $160Free 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 $140 round-trip. Over the 21 Delta flights for this route in a normal week, average airfare is usually $303 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 18 flights from Philadelphia to Detroit in any given week. The average American Airlines airfare for this route is around $294, with deals from around $160 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.

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1 adult
mar. 8/26
mar. 9/2

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