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Cheap flights from Detroit to Philadelphia from C$ 31

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 20/12. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — PHL
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Detroit All airports to Philadelphia are usually found in December or January, booked 46 days in advance, depart on a Saturday or Friday and return on a Tuesday

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Cheapest flights from Detroit to Philadelphia
Explore the most affordable flight options available from Detroit to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 November 2025.

Sat 6/123:55 p.m.DTW - PHL
Nonstop1h 36mDelta
Sat 13/129:45 a.m.PHL - DTW
Nonstop1h 46mDelta
Deal found 6/11C$ 224
Tue 25/1111:36 a.m.DTW - PHL
1 stop13h 03mFrontier
Sun 30/116:00 a.m.PHL - DTW
Nonstop1h 56mFrontier
Deal found 5/11C$ 227
Wed 3/129:29 p.m.DTW - PHL
Nonstop1h 41mDelta
Wed 10/126:00 a.m.PHL - DTW
Nonstop1h 55mDelta
Deal found 5/11C$ 238
Thu 11/127:00 a.m.DTW - PHL
Nonstop1h 44mDelta
Tue 16/128:24 p.m.PHL - DTW
Nonstop1h 48mDelta
Deal found 6/11C$ 281
Sat 13/129:29 p.m.DTW - PHL
Nonstop1h 41mDelta
Sat 3/16:00 a.m.PHL - DTW
Nonstop1h 55mDelta
Deal found 6/11C$ 286
Tue 25/117:30 a.m.DTW - PHL
2 stops16h 16mSpirit Airlines
Sun 30/114:12 p.m.PHL - DTW
Nonstop1h 48mSpirit Airlines
Deal found 5/11C$ 298
Sat 6/127:05 a.m.DTW - PHL
Nonstop1h 45mDelta
Sun 7/129:39 a.m.PHL - DTW
Nonstop1h 43mDelta
Deal found 5/11C$ 315
Tue 2/125:58 p.m.DTW - PHL
Nonstop1h 41mDelta
Sun 7/126:00 a.m.PHL - DTW
Nonstop1h 55mDelta
Deal found 5/11C$ 329
Thu 4/127:00 a.m.DTW - PHL
Nonstop1h 44mDelta
Thu 11/126:00 a.m.PHL - DTW
Nonstop1h 55mDelta
Deal found 5/11C$ 337
Fri 12/127:00 a.m.DTW - PHL
Nonstop1h 44mDelta
Tue 13/19:40 a.m.PHL - DTW
Nonstop1h 48mDelta
Deal found 5/11C$ 343
Mon 24/119:29 p.m.DTW - PHL
Nonstop1h 37mDelta
Thu 27/116:00 a.m.PHL - DTW
Nonstop2h 00mDelta
Deal found 6/11C$ 348

Cheap flight deals from Detroit to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Philadelphia (PHL). 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 6 November 2025.

Round-trip from

C$ 224

One-way from

C$ 31

Popular in

March

Cheapest in

December

Average price

C$ 319

Good round-trip deal

C$ 858 or less

Good one-way deal

C$ 735 or less
Delta
  • Delta
  • 6/12-13/12
  • Nonstop
  • 3h 22m total
  • Detroit to Philadelphia
Search Deals
Frontier
  • Frontier
  • 20/12
  • Nonstop
  • 1h 40m total
  • Detroit to Philadelphia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Detroit (DTT) to Philadelphia.
Search Deals
Price to beat on a one-way flight from Detroit (DTT) to Philadelphia.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to Philadelphia 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 629,999 searches. Data last updated 6 November 2025.
Use the filters below to find and compare flights from Detroit to Philadelphia that are best for you.

Fly from

Detroit

Fly to

Philadelphia

Route

Depart

Return

Price

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Sat 6/12

3:55 p.m.-5:31 p.m.

Nonstop1h 36m

Philadelphia

Sat 13/12

9:45 a.m.-11:31 a.m.

Nonstop1h 46m

C$ 224

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Thu 11/12

7:00 a.m.-8:44 a.m.

Nonstop1h 44m

Philadelphia

Tue 16/12

8:24 p.m.-10:12 p.m.

Nonstop1h 48m

C$ 281

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Thu 4/12

7:00 a.m.-8:44 a.m.

Nonstop1h 44m

Philadelphia

Thu 11/12

6:00 a.m.-7:55 a.m.

Nonstop1h 55m

C$ 337

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 12/12

7:00 a.m.-8:44 a.m.

Nonstop1h 44m

Philadelphia

Tue 13/1

9:40 a.m.-11:28 a.m.

Nonstop1h 48m

C$ 343

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Wed 19/11

9:29 p.m.-11:06 p.m.

Nonstop1h 37m

Philadelphia

Mon 24/11

9:37 a.m.-11:23 a.m.

Nonstop1h 46m

C$ 350

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 5/12

2:54 p.m.-4:32 p.m.

Nonstop1h 38m

Philadelphia

Fri 12/12

12:22 p.m.-2:09 p.m.

Nonstop1h 47m

C$ 351

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 12/12

7:00 a.m.-8:44 a.m.

Nonstop1h 44m

Philadelphia

Tue 6/1

12:11 p.m.-6:52 p.m.

1 stop6h 41m

C$ 357

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Sat 2/5

7:30 a.m.-2:18 p.m.

1 stop6h 48m

C$ 158

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Wed 4/2

6:25 a.m.-1:10 p.m.

1 stop6h 45m

C$ 189

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Tue 6/1

5:50 a.m.-11:30 a.m.

1 stop5h 40m

C$ 189

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 15 results
1
2

Best time to book a flight from Detroit to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Detroit 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 Detroit to Philadelphia

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

Use this chart to determine the optimal time to book a round-trip flight from Detroit to Philadelphia. Price data was last updated on 31 October 2025.

Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Detroit to Philadelphia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, March is the cheapest month in which you can book a flight from Detroit to Philadelphia (average of C$ 62). Flying from Detroit to Philadelphia in July is currently the most expensive (average of C$ 102). 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 DTT to PHL?

Find hourly flight availability from Detroit to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 November 2025.

When flying from Detroit to Philadelphia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 74% versus a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Detroit to Philadelphia. Price data was last updated on 2 November 2025.

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

Weekly flight availability from Detroit to Philadelphia

Explore weekly flight availability from Detroit to Philadelphia. 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 6 November 2025.

The most flights from DTT to PHL are scheduled on a Thursday (25 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).

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

What’s the top layover airport for flights from Detroit to Philadelphia?

Share of one-stop round-trip flights from Detroit to Philadelphia chosen by Cheapflights users in the past 12 months, using the same layover each way.

Atlanta (ATL) – chosen by Cheapflights users on 33% of one-stop itineraries from Detroit to Philadelphia on Cheapflights.

What’s the cheapest layover airport for flights from Detroit to Philadelphia?

Average round-trip fare for 1-stop flights from Detroit to Philadelphia, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of C$ 210.

What’s the fastest layover option from Detroit to Philadelphia?

Shortest average travel time for 1-stop one-way flights from Detroit to Philadelphia, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 4h 48m.

Which airport typically offers the quickest layover for flights from Detroit to Philadelphia?

Average layover duration for 1-stop one-way flights from Detroit to Philadelphia, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Fort Lauderdale (FLL) offer the fastest connection on this route, with an average layover time of 0h 51m.

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated 6 November 2025.
Read reviews from past customers who have flown Spirit Airlines and Frontier from Detroit to Philadelphia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Spirit Airlines
6.3
Okay
8,114 reviews
Check prices

Food

5.1

Entertainment

5.0

Comfort

5.9

Crew

7.0

Boarding

6.6

Overall

6.3

Reviews

1 / 20
6.0
Good

Anonymous,Oct 2025

MCO - PIT

Did not get anything for free no snacks or drinks
Spirit Airlines
6.3
Okay
8,114 reviews
Spirit Airlines
6.3
Okay
8,114 reviews
Check prices

Food

5.1

Entertainment

5.0

Comfort

5.9

Crew

7.0

Boarding

6.6

Overall

6.3

Reviews

1 / 20
6.0
Good

Anonymous,Oct 2025

MCO - PIT

Did not get anything for free no snacks or drinks
Frontier
5.8
Fair
3,116 reviews
Spirit Airlines
6.3
Okay
8,114 reviews
Check prices

Food

5.1

Entertainment

5.0

Comfort

5.9

Crew

7.0

Boarding

6.6

Overall

6.3

Reviews

1 / 20
6.0
Good

Anonymous,Oct 2025

MCO - PIT

Did not get anything for free no snacks or drinks

Related info for your journey

Find useful and relevant information for your journey from Detroit to Philadelphia. 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 Detroit to Philadelphia?

    Booking a flight from Detroit All airports (DTT) to Philadelphia (PHL) is your only option if you wish to fly from Detroit to Philadelphia. On a typical day, there are 17 flights from All airports to Philadelphia, all of which are around 1h 38m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from All airports to Philadelphia.

  • How long is the flight from Detroit to Philadelphia?

    Airlines like Delta fly from Detroit to Philadelphia in about 1h 36m. The time it takes to get you to your destination is usually consistent. Airlines will cover a distance of 727 km. Most flights are nonstop.

  • What is the cheapest airline to fly from Detroit to Philadelphia round-trip?

    According to our current data, Spirit Airlines (C$ 82), offers the cheapest pricing from Detroit to Philadelphia. Spirit Airlines is priced at 75% lower than the current average price of a flight leaving 3 months from now.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Detroit to Philadelphia on time: Republic Airways (96%), Aeromexico (96%), Air France (92%).

  • What are the cheapest flights from Detroit to Philadelphia?

    Looking for the cheapest flight from Detroit to Philadelphia? While on average our users pay C$ 838, our data indicates the cheapest price to be C$ 181. The most popular route (Detroit Metropolitan Wayne County - Philadelphia), is priced around C$ 229.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Detroit to Philadelphia 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 Detroit to Philadelphia?

    Currently, March is the cheapest month in which you can book a flight from Detroit to Philadelphia (average of C$ 62). Flying from Detroit to Philadelphia in July is currently the most expensive (average of C$ 102). 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

Travelling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
King of Prussia
Reading

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Alternative routes for Detroit to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
Detroit to LaGuardia flights
Detroit to Newark flights
Detroit to Philadelphia flights

Top airline flying from Detroit to Philadelphia

Discover the top airline that operate flights from Detroit to Philadelphia. 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 629,999 searches. Data last updated 6 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapestC$ 82AverageC$ 167FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Detroit to Philadelphia?

Cheapflights makes it easy to find Detroit to Philadelphia flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Detroit to Philadelphia?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Detroit to Philadelphia for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Detroit to Philadelphia with no change fees?

Certainly. Search results for flights to Philadelphia from Detroit shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Detroit to Philadelphia become cheaper?

Of course! You can now track prices for flights from Detroit to Philadelphia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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