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$72+ Cheap flights from Philadelphia to Detroit (PHL - DTT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — DTT
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Detroit All airports are usually found in January or December, booked 54 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap flight deals from Philadelphia to Detroit

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Detroit (DTT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$143
(Priceline)

One-way from

$72
(Priceline)

Popular in

June

Cheapest in

January

Average price

$225

Good round-trip deal

$217 or less

Good one-way deal

$112 or less
From Philadelphia to Detroit (DTT)
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One-way flight from Philadelphia to Detroit (DTT)
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Highest demand for flights based on searches. 23% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Philadelphia to Detroit (DTT).
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Price to beat on a one-way flight from Philadelphia to Detroit (DTT).
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Find flight deals from Philadelphia to Detroit

Cheapest flights from Philadelphia to Detroit
Explore the most affordable flight options available from Philadelphia to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Flightnetwork deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:15 amPHL - DTW
1 stop11h 57mFrontier
Fri 10/3112:24 pmDTW - PHL
1 stop6h 25mFrontier
Deal found 9/15$143
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:15 amPHL - DTW
1 stop6h 21mFrontier
Thu 10/211:54 amDTW - PHL
1 stop13h 03mFrontier
Deal found 9/15$144
This Booking.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:45 amPHL - DTW
1 stop17h 13mFrontier
Mon 9/299:39 amDTW - PHL
1 stop11h 53mFrontier
Deal found 9/15$145
This Booking.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/179:53 pmPHL - DTW
1 stop13h 24mFrontier
Sun 10/191:29 pmDTW - PHL
1 stop18h 01mFrontier
Deal found 9/16$146
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:19 amPHL - DTW
Nonstop1h 47mMultiple Airlines
Sun 11/29:05 pmDTW - PHL
1 stop7h 44mMultiple Airlines
Deal found 9/15$147
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/116:19 amPHL - DTW
Nonstop1h 47mMultiple Airlines
Fri 10/174:58 pmDTW - PHL
1 stop8h 01mMultiple Airlines
Deal found 9/15$148
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:19 amPHL - DTW
Nonstop1h 47mSpirit Airlines
Sun 10/122:20 pmDTW - PHL
Nonstop1h 34mSpirit Airlines
Deal found 9/15$149
This Spirit deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:19 amPHL - DTW
Nonstop1h 47mSpirit Airlines
Mon 11/39:55 pmDTW - PHL
Nonstop1h 34mSpirit Airlines
Deal found 9/15$150
This Flightnetwork deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:19 amPHL - DTW
Nonstop1h 47mSpirit Airlines
Sat 11/19:01 amDTW - PHL
Nonstop1h 34mSpirit Airlines
Deal found 9/15$151
This Gotogate deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/95:05 amPHL - DTW
1 stop12h 56mMultiple Airlines
Sun 10/122:20 pmDTW - PHL
Nonstop1h 34mMultiple Airlines
Deal found 9/15$153
This Trip.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:19 amPHL - DTW
Nonstop1h 47mMultiple Airlines
Sun 10/126:56 pmDTW - PHL
1 stop15h 30mMultiple Airlines
Deal found 9/14$154
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/48:43 pmPHL - DTW
1 stop11h 55mSpirit Airlines
Mon 10/69:55 pmDTW - PHL
Nonstop1h 34mSpirit Airlines
Deal found 9/15$156

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Philadelphia to Detroit that are best for you.

Fly from

Philadelphia

Fly to

Detroit

Route

Depart

Return

Price

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Fri 9/26

10:16 pm-10:45 am

1 stop12h 29m

Detroit Metropolitan Wayne County

Mon 9/29

1:36 pm-12:52 am

1 stop11h 16m

$144

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Thu 10/30

6:00 am-11:29 am

1 stop5h 29m

Detroit Metropolitan Wayne County

Sun 11/2

2:20 pm-3:54 pm

Nonstop1h 34m

$147

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Wed 10/29

6:00 am-7:48 am

Nonstop1h 48m

Detroit Metropolitan Wayne County

Tue 11/4

3:00 pm-4:35 pm

Nonstop1h 35m

$159

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Sat 11/15

5:58 pm-8:02 pm

Nonstop2h 04m

Detroit Metropolitan Wayne County

Tue 11/18

3:00 pm-4:39 pm

Nonstop1h 39m

$159

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Tue 11/4

6:00 am-7:48 am

Nonstop1h 48m

Detroit Metropolitan Wayne County

Wed 11/12

7:00 am-8:42 am

Nonstop1h 42m

$159

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Wed 11/5

9:46 am-11:31 am

Nonstop1h 45m

Detroit Metropolitan Wayne County

Wed 11/12

9:29 pm-11:06 pm

Nonstop1h 37m

$159

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Sat 11/1

6:00 am-12:32 pm

1 stop6h 32m

Detroit Metropolitan Wayne County

Sat 11/1

3:57 pm-5:50 pm

Nonstop1h 53m

$193

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Mon 11/10

12:22 pm-2:14 pm

Nonstop1h 52m

Detroit Metropolitan Wayne County

Sat 11/15

9:29 pm-11:06 pm

Nonstop1h 37m

$199

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Thu 10/30

9:46 am-11:31 am

Nonstop1h 45m

Detroit Metropolitan Wayne County

Wed 11/5

9:30 pm-11:05 pm

Nonstop1h 35m

$199

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Wed 11/5

6:00 am-7:48 am

Nonstop1h 48m

Detroit Metropolitan Wayne County

Mon 11/10

7:00 am-8:42 am

Nonstop1h 42m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Philadelphia to Detroit

Have a flexible travel schedule? Discover the best time to fly to Detroit from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Detroit

How far ahead should I book a flight from Philadelphia to Detroit?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Detroit. Price data was last updated on September 12, 2025.

The price you pay for your flight from Philadelphia to Detroit may vary depending on when you book. For the best chance of a lower fare, look to book 54 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Philadelphia to Detroit?

Currently, August is the cheapest month in which you can book a flight from Philadelphia to Detroit (average of $250). Flying from Philadelphia to Detroit in March is currently the most expensive (average of $305). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHL to DTT?

Find hourly flight availability from Philadelphia to Detroit. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 23% on flights from Philadelphia to Detroit by exploring options for tickets at noon.

What is the cheapest day to fly from Philadelphia to Detroit?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Detroit. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their Philadelphia to Detroit flight should consider departing on Monday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Philadelphia to Detroit

Explore weekly flight availability from Philadelphia to Detroit. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 17, 2025.

The most flights from PHL to DTT are scheduled on a Monday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 on average).

How much does it cost to fly round-trip from Philadelphia to Detroit?

Reviews of airlines servicing Detroit

Get insights into the airlines that provide service to Detroit. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Detroit. Reviews last updated September 17, 2025.
Read through reviews of airlines operating flights from Philadelphia to Detroit, such as Delta, American Airlines, and Spirit Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,023 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.8
Fair
3,173 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Detroit. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Philadelphia to Detroit?

    If you book a flight from Philadelphia to Detroit, you will be flying from Philadelphia to All airports. Flights to Detroit All airports (DTT) from Philadelphia (PHL) take 1h 42m for a nonstop flight. There are 21 flights from Philadelphia to Detroit per day from 4 airlines.

  • How long is the flight from Philadelphia to Detroit?

    There are many flights that can get you from Philadelphia to Detroit in 1h 48m. Fly via Frontier or Delta to get the fastest option. There are 452 mi between Philadelphia and Detroit. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Philadelphia to Detroit round-trip?

    According to our current data, Frontier ($58), Spirit Airlines ($66), and Delta ($149) offers the cheapest pricing from Philadelphia to Detroit. Frontier is currently priced 75% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Philadelphia to Detroit?

    Consider Piedmont Airlines (100%), Spirit Airlines (95%) or Aeromexico (93%) when booking your flight. These represent the most reliable airlines when flying from Philadelphia to Detroit.

  • What are the cheapest flights from Philadelphia to Detroit?

    The cheapest flight price from Philadelphia to Detroit is $58. On average you can expect to pay $739. The most popular route, (Philadelphia - Detroit Metropolitan Wayne County), can usually be booked for $147.

  • Can I find deals for flights from Philadelphia to Detroit that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Detroit flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Detroit?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Detroit.

  • Can I find deals for business class flights from Philadelphia to Detroit?

    Yes. Cheapflights offers flight deals from Philadelphia to Detroit by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Philadelphia to Detroit?

    Currently, August is the cheapest month in which you can book a flight from Philadelphia to Detroit (average of $250). Flying from Philadelphia to Detroit in March is currently the most expensive (average of $305). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Detroit?

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

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Alternative routes for Philadelphia to Detroit

See prices for flight routes from nearby airports that may be better suited for you.
LaGuardia to O'Hare Intl flights
John F Kennedy Intl to O'Hare Intl flights
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John F Kennedy Intl to Midway flights
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John F Kennedy Intl to Detroit flights
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Reagan-National to Midway flights
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LaGuardia to Grand Rapids flights
Newark to Grand Rapids flights
John F Kennedy Intl to Grand Rapids flights
Newark to South Bend flights
Scranton to O'Hare Intl flights
John F Kennedy Intl to South Bend flights
Allentown to O'Hare Intl flights
Dulles Intl to South Bend flights
Harrisburg to O'Hare Intl flights
LaGuardia to South Bend flights
Pittsburgh to Midway flights
Reagan-National to Grand Rapids flights
Reagan-National to South Bend flights
Dulles Intl to Grand Rapids flights
Reagan-National to Traverse City flights
Allentown to Midway flights
Dulles Intl to Traverse City flights
Pittsburgh to Detroit flights
State College to O'Hare Intl flights
Newark to Traverse City flights
Philadelphia to Grand Rapids flights
LaGuardia to Traverse City flights
John F Kennedy Intl to Traverse City flights
Harrisburg to Midway flights
Newark to Kalamazoo flights
Philadelphia to South Bend flights
John F Kennedy Intl to Kalamazoo flights
Newark to Flint flights
Dulles Intl to Flint flights
Newark to Rockford flights
LaGuardia to Kalamazoo flights

Top 4 airlines flying from Philadelphia to Detroit

Discover the top 4 airlines that operate flights from Philadelphia to Detroit. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$131FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$66Average$130FlexibilityNo cancel feeOn-time65%
DeltaCheapest$149Average$311FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$170Average$303FlexibilityNo cancel feeOn-time71%

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