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$53+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — DTT
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Detroit All airports are usually found in January or August, booked 55 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 11, 2025.

Round-trip from

$105
(Cheapflightsfares)

One-way from

$53
(Cheapflightsfares)

Popular in

June

Cheapest in

January

Average price

$192

Good round-trip deal

$197 or less

Good one-way deal

$111 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. 26% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% 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 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
Tue 10/146:19 amPHL - DTW
Nonstop1h 47mSpirit Airlines
Wed 10/159:55 pmDTW - PHL
Nonstop1h 34mSpirit Airlines
Deal found 9/10$105
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 10/46:25 amPHL - DTW
Nonstop1h 52mSpirit Airlines
Mon 10/69:55 pmDTW - PHL
Nonstop1h 34mSpirit Airlines
Deal found 9/9$111
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
Thu 9/256:25 amPHL - DTW
Nonstop1h 52mSpirit Airlines
Thu 9/258:45 pmDTW - PHL
Nonstop1h 44mSpirit Airlines
Deal found 9/10$117
This Priceline deal was found by Cheapflights users on 9/10. 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.
Wed 9/246:25 amPHL - DTW
Nonstop1h 52mSpirit Airlines
Wed 10/18:45 pmDTW - PHL
Nonstop1h 44mSpirit Airlines
Deal found 9/10$118
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Wed 10/86:19 amPHL - DTW
Nonstop1h 47mSpirit Airlines
Sat 10/119:01 amDTW - PHL
Nonstop1h 34mSpirit Airlines
Deal found 9/8$120
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Tue 10/286:19 amPHL - DTW
Nonstop1h 47mSpirit Airlines
Tue 11/49:55 pmDTW - PHL
Nonstop1h 34mSpirit Airlines
Deal found 9/9$122
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Mon 9/296:25 amPHL - DTW
Nonstop1h 52mSpirit Airlines
Sat 10/48:45 pmDTW - PHL
Nonstop1h 44mSpirit Airlines
Deal found 9/9$123
This Priceline deal was found by Cheapflights users on 9/8. 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 10/26:15 amPHL - DTW
1 stop6h 21mMultiple Airlines
Tue 10/79:55 pmDTW - PHL
Nonstop1h 34mMultiple Airlines
Deal found 9/8$125
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Tue 10/76:19 amPHL - DTW
Nonstop1h 47mSpirit Airlines
Thu 10/92:20 pmDTW - PHL
Nonstop1h 34mSpirit Airlines
Deal found 9/10$126
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 11/16:19 amPHL - DTW
Nonstop1h 47mSpirit Airlines
Sun 11/22:20 pmDTW - PHL
Nonstop1h 34mSpirit Airlines
Deal found 9/9$127
This Priceline deal was found by Cheapflights users on 9/8. 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.
Wed 9/246:25 amPHL - DTW
Nonstop1h 52mSpirit Airlines
Mon 9/298:45 pmDTW - PHL
Nonstop1h 44mSpirit Airlines
Deal found 9/8$128
This Flightnetwork deal was found by Cheapflights users on 9/9. 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 9/9$129

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 11, 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

Tue 10/14

6:19 am-8:06 am

Nonstop1h 47m

Detroit Metropolitan Wayne County

Wed 10/15

2:53 pm-9:24 pm

1 stop6h 31m

$142

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Fri 10/31

6:19 am-8:06 am

Nonstop1h 47m

Detroit Metropolitan Wayne County

Mon 11/3

9:55 pm-11:29 pm

Nonstop1h 34m

$150

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Sat 10/4

12:01 pm-12:36 pm

1 stop24h 35m

Detroit Metropolitan Wayne County

Tue 10/7

9:55 pm-11:29 pm

Nonstop1h 34m

$154

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Tue 10/28

9:46 am-11:31 am

Nonstop1h 45m

Detroit Metropolitan Wayne County

Wed 11/5

7:05 am-8:41 am

Nonstop1h 36m

$159

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Wed 10/22

6:00 am-7:48 am

Nonstop1h 48m

Detroit Metropolitan Wayne County

Wed 10/29

9:30 pm-11:05 pm

Nonstop1h 35m

$159

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Sat 11/1

9:46 am-11:31 am

Nonstop1h 45m

Detroit Metropolitan Wayne County

Wed 11/5

7:05 am-8:41 am

Nonstop1h 36m

$159

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Sat 11/15

6:00 am-8:02 am

Nonstop2h 02m

Detroit Metropolitan Wayne County

Tue 11/18

5:55 pm-7:29 pm

Nonstop1h 34m

$159

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Sat 10/18

12:23 pm-2:12 pm

Nonstop1h 49m

Detroit Metropolitan Wayne County

Sat 10/25

9:30 pm-11:05 pm

Nonstop1h 35m

$160

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Sat 11/1

6:19 am-8:06 am

Nonstop1h 47m

Detroit Metropolitan Wayne County

Mon 11/3

12:24 pm-6:49 pm

1 stop6h 25m

$163

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Tue 10/14

5:25 am-12:05 pm

1 stop6h 40m

Detroit Metropolitan Wayne County

Wed 10/15

6:40 am-1:15 pm

1 stop6h 35m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 23 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 August 29, 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 55 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 11, 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 7, 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 11, 2025.

The most flights from PHL to DTT are scheduled on a Thursday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 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 11, 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
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
3,177 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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 47m 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 45m. Fly via Spirit Airlines or Delta to get the fastest option. There are 452 mi between Philadelphia and Detroit. Generally, flights for this route are nonstop.

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

    According to our current data, Frontier ($52), Spirit Airlines ($66), and Delta ($149) offers the cheapest pricing from Philadelphia to Detroit. Frontier is currently priced 77% 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 (90%) 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 $60. On average you can expect to pay $715. The most popular route, (Philadelphia - Detroit Metropolitan Wayne County), can usually be booked for $105.

  • 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.
John F Kennedy Intl to O'Hare Intl flights
LaGuardia to O'Hare Intl flights
Newark to O'Hare Intl flights
Reagan-National to O'Hare Intl flights
Dulles Intl to O'Hare Intl flights
John F Kennedy Intl to Midway flights
Philadelphia to O'Hare Intl flights
LaGuardia to Midway flights
Dulles Intl to Detroit flights
Dulles Intl to Midway flights
John F Kennedy Intl to Detroit flights
Newark to Detroit flights
Reagan-National to Detroit flights
Newark to Midway flights
LaGuardia to Detroit flights
Philadelphia to Midway flights
Reagan-National to Midway flights
Philadelphia to Detroit flights
Pittsburgh to O'Hare Intl flights
Newark to South Bend flights
LaGuardia to South Bend flights
Newark to Grand Rapids flights
John F Kennedy Intl to South Bend flights
Allentown to O'Hare Intl flights
LaGuardia to Grand Rapids flights
Reagan-National to South Bend flights
John F Kennedy Intl to Grand Rapids flights
Dulles Intl to South Bend flights
Scranton to O'Hare Intl flights
Harrisburg to O'Hare Intl flights
Reagan-National to Grand Rapids flights
Dulles Intl to Grand Rapids flights
Allentown to Midway flights
Harrisburg to Midway flights
John F Kennedy Intl to Traverse City flights
Newark to Traverse City flights
Pittsburgh to Midway flights
LaGuardia to Traverse City flights
Pittsburgh to Detroit flights
Reagan-National to Traverse City flights
Philadelphia to Grand Rapids flights
Philadelphia to South Bend flights
Dulles Intl to Traverse City flights
Newark to Rockford flights
State College to O'Hare Intl flights
Reagan-National to Lansing flights
Newark to Kalamazoo flights
Newark to Flint flights
Allentown to Grand Rapids flights
Dulles Intl to Lansing 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 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$52Average$128FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$66Average$129FlexibilityNo cancel feeOn-time65%
DeltaCheapest$149Average$312FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$165Average$302FlexibilityNo cancel feeOn-time71%

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