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Cheap flights from Detroit to Philadelphia from C$ 159

DTT — PHL
9 Oct — 16 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Detroit to Philadelphia

Enter your travel dates to find the best prices.

Cheapest flights from Detroit to Philadelphia

Fri 16/107:22 p.m. -
1 stop11h 59m
Fri 23/105:22 p.m. -
1 stop7h 17m
Deal found 6/9C$ 266
Sat 26/93:25 p.m. -
1 stop7h 53m
Mon 28/95:15 a.m. -
1 stop6h 20m
Deal found 4/9C$ 269
Tue 29/97:00 a.m. -
1 stop11h 14m
Mon 5/105:15 a.m. -
1 stop30h 20m
Deal found 6/9C$ 277
Wed 30/97:00 a.m. -
1 stop11h 14m
Mon 5/105:45 p.m. -
1 stop17h 50m
Deal found 6/9C$ 281
Sun 15/113:01 p.m. -
Nonstop1h 42m
Wed 18/116:00 a.m. -
1 stop12h 42m
Deal found 4/9C$ 292
Fri 25/94:23 p.m. -
1 stop7h 19m
Tue 29/95:32 p.m. -
1 stop7h 10m
Deal found 7/9C$ 294
Sat 3/101:31 p.m. -
1 stop6h 24m
Mon 5/103:30 p.m. -
1 stop20h 05m
Deal found 6/9C$ 301
Thu 1/104:23 p.m. -
1 stop7h 19m
Mon 5/103:30 p.m. -
1 stop20h 05m
Deal found 6/9C$ 334
Fri 2/104:23 p.m. -
1 stop7h 19m
Mon 5/103:30 p.m. -
1 stop20h 05m
Deal found 6/9C$ 335

Find flight deals from Detroit to Philadelphia

Round-trip from

C$ 266

One-way from

C$ 159

Popular in

June

Cheapest in

February

Average price

C$ 412

Good round-trip deal

C$ 234 or less

Good one-way deal

C$ 249 or less
Frontier
  • Frontier
  • 16/10-23/10
  • 2 total stops
  • 19h 16m total
  • Detroit to Philadelphia
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Frontier
  • Frontier
  • 6/10-31/12
  • 2 total stops
  • 10h 44m total
  • Detroit to Philadelphia
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 106 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 21 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Detroit (DTT) to Philadelphia.
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Price to beat on a one-way flight from Detroit (DTT) to Philadelphia.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Detroit to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitPhiladelphia

DTW Detroit Metropolitan Wayne County - PHL Philadelphia

DTWPHL

Detroit Metropolitan Wayne County

Mon 7/12

9:46 p.m.-11:27 p.m.

Nonstop1h 41m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 247

DetroitPhiladelphia

DTW Detroit Metropolitan Wayne County - PHL Philadelphia

DTWPHL

Detroit Metropolitan Wayne County

Sun 6/12

9:46 p.m.-11:27 p.m.

Nonstop1h 41m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 247
Quickest round-trip

DetroitPhiladelphia

DTW Detroit Metropolitan Wayne County - PHL Philadelphia

DTWPHL

Detroit Metropolitan Wayne County

Thu 10/12

2:59 p.m.-4:35 p.m.

Nonstop1h 36m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 247

DetroitPhiladelphia

DTW Detroit Metropolitan Wayne County - PHL Philadelphia

DTWPHL

Detroit Metropolitan Wayne County

Tue 24/11

12:45 p.m.-6:25 p.m.

1 stop5h 40m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 248

DetroitPhiladelphia

DTW Detroit Metropolitan Wayne County - PHL Philadelphia

DTWPHL

Detroit Metropolitan Wayne County

Mon 23/11

6:50 a.m.-4:40 p.m.

2 stops9h 50m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 255

DetroitPhiladelphia

DTW Detroit Metropolitan Wayne County - PHL Philadelphia

DTWPHL

Detroit Metropolitan Wayne County

Fri 9/10

7:20 a.m.-9:00 a.m.

Nonstop1h 40m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 259

DetroitPhiladelphia

DTW Detroit Metropolitan Wayne County - PHL Philadelphia

DTWPHL

Detroit Metropolitan Wayne County

Tue 6/10

7:20 a.m.-9:00 a.m.

Nonstop1h 40m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 259

DetroitPhiladelphia

DTW Detroit Metropolitan Wayne County - PHL Philadelphia

DTWPHL

Detroit Metropolitan Wayne County

Sat 10/10

7:20 a.m.-9:00 a.m.

Nonstop1h 40m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 259

DetroitPhiladelphia

DTW Detroit Metropolitan Wayne County - PHL Philadelphia

DTWPHL

Detroit Metropolitan Wayne County

Wed 7/10

3:05 p.m.-4:44 p.m.

Nonstop1h 39m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 259

DetroitPhiladelphia

DTW Detroit Metropolitan Wayne County - PHL Philadelphia

DTWPHL

Detroit Metropolitan Wayne County

Tue 20/10

9:31 p.m.-11:08 p.m.

Nonstop1h 37m

Philadelphia

Mon 26/10

8:13 p.m.-10:04 p.m.

Nonstop1h 51m

C$ 385

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/9

Showing 1-10 of 18 resultsSorted by cheapest first
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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

Cheapflights Insights

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

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

Currently, January is the cheapest month in which you can book a flight from Detroit to Philadelphia (average of C$ 302). Flying from Detroit to Philadelphia in June is currently the most expensive (average of C$ 578). 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?

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 at noon, which can drop the price by up to 71% versus a flight in the afternoon.

Weekly flight availability from Detroit to Philadelphia

The most flights from DTT to PHL are scheduled on a Tuesday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

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

Airfare is below average for this route at the moment.
Detroit to Philadelphia flights typically cost between C$ 317 and C$ 461 in October.
The cheapest round-trip price found within the last 5 days was C$ 266 on Frontier (16 Oct-23 Oct).

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

Booking 68 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.

Reviews of airlines servicing Philadelphia

Read reviews from past customers who have flown 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.
Frontier
5.6
Fair
2,611 reviews
Check prices

Comfort

5.4

Entertainment

4.2

Food

4.5

Boarding

5.9

Crew

6.5

Overall

5.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

EWR - DFW

Flight was delayed a whole day - no compensation on food or drinks. Gate staff gave an older gentleman a hard time about his confusion and concern regarding the overnight delay.
Frontier
5.6
Fair
2,611 reviews
Frontier
5.6
Fair
2,611 reviews
Check prices

Comfort

5.4

Entertainment

4.2

Food

4.5

Boarding

5.9

Crew

6.5

Overall

5.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

EWR - DFW

Flight was delayed a whole day - no compensation on food or drinks. Gate staff gave an older gentleman a hard time about his confusion and concern regarding the overnight delay.

Related info for your journey

  • 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 13 flights from All airports to Philadelphia, all of which are around 1h 34m for a nonstop flight. You can also purchase a plane ticket from 2 airlines 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 37m. 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 are the cheapest airlines flying from Detroit to Philadelphia round-trip?

    According to our current data, Frontier (C$ 138), and American Airlines (C$ 287) offers the cheapest pricing from Detroit to Philadelphia. Frontier is priced at 67% 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: Piedmont Airlines (90%), KLM (74%), Air France (71%).

  • 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$ 1,372, our data indicates the cheapest price to be C$ 166. The most popular route (Detroit Metropolitan Wayne County - Philadelphia), is priced around C$ 287.

  • 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, January is the cheapest month in which you can book a flight from Detroit to Philadelphia (average of C$ 302). Flying from Detroit to Philadelphia in June is currently the most expensive (average of C$ 578). 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
Voorhees
Reading
King of Prussia
Wildwood
West Chester

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Detroit to Philadelphia

Detroit to LaGuardia flights
Detroit to Newark flights
Detroit to Philadelphia flights

Top 2 airlines flying from Detroit to Philadelphia

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 138AverageC$ 273FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapestC$ 287AverageC$ 461FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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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.

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