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Cheap flights from Detroit to Philadelphia from C$ 169

DTT — PHL
28 Sep — 5 Oct1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Detroit All airports to Philadelphia are usually found in February or January, booked 66 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap flight deals from Detroit to Philadelphia

Enter your travel dates to find the best prices.

Cheapest flights from Detroit to Philadelphia

Sat 14/116:53 p.m. -
1 stop4h 31m
Mon 16/1112:10 p.m. -
Nonstop1h 56m
Deal found 26/8C$ 234
Thu 12/113:01 p.m. -
Nonstop1h 42m
Mon 16/1112:10 p.m. -
Nonstop1h 56m
Deal found 25/8C$ 236
Sat 26/91:31 p.m. -
1 stop6h 24m
Sat 3/108:00 a.m. -
1 stop7h 33m
Deal found 28/8C$ 237
Sat 3/107:00 a.m. -
1 stop11h 14m
Sun 4/108:41 a.m. -
1 stop16h 01m
Deal found 26/8C$ 244
Wed 14/106:30 a.m. -
1 stop11h 45m
Thu 15/1012:17 p.m. -
Nonstop1h 49m
Deal found 28/8C$ 252
Sat 10/101:09 p.m. -
1 stop10h 02m
Sun 11/1012:17 p.m. -
Nonstop1h 49m
Deal found 26/8C$ 254
Fri 23/107:22 p.m. -
1 stop11h 59m
Fri 30/1012:10 p.m. -
Nonstop1h 56m
Deal found 27/8C$ 255
Fri 9/103:01 p.m. -
Nonstop1h 45m
Sun 11/1012:17 p.m. -
Nonstop1h 49m
Deal found 26/8C$ 266
Fri 30/103:02 p.m. -
1 stop16h 19m
Sun 1/1112:10 p.m. -
Nonstop1h 56m
Deal found 25/8C$ 269
Thu 17/912:34 p.m. -
2 stops18h 42m
Sat 19/95:32 p.m. -
1 stop7h 10m
Deal found 27/8C$ 279

Find flight deals from Detroit to Philadelphia

Round-trip from

C$ 234

One-way from

C$ 169

Popular in

June

Cheapest in

February

Average price

C$ 401

Good round-trip deal

C$ 340 or less

Good one-way deal

C$ 178 or less
Frontier
  • Frontier
  • 14/11-16/11
  • 1 total stop
  • 6h 27m total
  • Detroit to Philadelphia
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Frontier
  • Frontier
  • 26/10
  • 2 total stops
  • 21h 20m total
  • Detroit to Philadelphia
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Highest demand for flights based on searches. 15% potential increase in price (C$ 109 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 August 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

Sat 10/10

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

Nonstop1h 37m

Philadelphia

Sun 11/10

6:10 a.m.-7:55 a.m.

Nonstop1h 45m

C$ 387

DetroitPhiladelphia

DTW Detroit Metropolitan Wayne County - PHL Philadelphia

DTWPHL

Detroit Metropolitan Wayne County

Thu 12/11

1:30 p.m.-5:55 p.m.

1 stop4h 25m

Philadelphia

Mon 16/11

5:25 a.m.-3:15 p.m.

2 stops9h 50m

C$ 394

DetroitPhiladelphia

DTW Detroit Metropolitan Wayne County - PHL Philadelphia

DTWPHL

Detroit Metropolitan Wayne County

Fri 18/12

7:06 a.m.-8:49 a.m.

Nonstop1h 43m

Philadelphia

Sun 20/12

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

Nonstop1h 55m

C$ 415

DetroitPhiladelphia

DTW Detroit Metropolitan Wayne County - PHL Philadelphia

DTWPHL

Detroit Metropolitan Wayne County

Sat 14/11

9:00 a.m.-3:05 p.m.

1 stop6h 05m

Philadelphia

Mon 16/11

5:25 a.m.-3:15 p.m.

2 stops9h 50m

C$ 422

DetroitPhiladelphia

DTW Detroit Metropolitan Wayne County - PHL Philadelphia

DTWPHL

Detroit Metropolitan Wayne County

Fri 23/10

7:10 a.m.-7:35 p.m.

2 stops12h 25m

Philadelphia

Fri 30/10

12:20 p.m.-9:45 p.m.

2 stops9h 25m

C$ 437

DetroitPhiladelphia

DTW Detroit Metropolitan Wayne County - PHL Philadelphia

DTWPHL

Detroit Metropolitan Wayne County

Sat 26/9

6:35 a.m.-2:40 p.m.

2 stops8h 05m

Philadelphia

Wed 30/9

1:45 p.m.-9:55 p.m.

2 stops8h 10m

C$ 443

DetroitPhiladelphia

DTW Detroit Metropolitan Wayne County - PHL Philadelphia

DTWPHL

Detroit Metropolitan Wayne County

Fri 30/10

4:55 p.m.-11:50 p.m.

1 stop6h 55m

Philadelphia

Sun 1/11

6:00 a.m.-5:15 p.m.

2 stops11h 15m

C$ 448
Quickest round-trip

DetroitPhiladelphia

DTW Detroit Metropolitan Wayne County - PHL Philadelphia

DTWPHL

Detroit Metropolitan Wayne County

Wed 23/9

9:35 p.m.-11:12 p.m.

Nonstop1h 37m

Philadelphia

Tue 29/9

6:15 a.m.-7:54 a.m.

Nonstop1h 39m

C$ 456

DetroitPhiladelphia

DTW Detroit Metropolitan Wayne County - PHL Philadelphia

DTWPHL

Detroit Metropolitan Wayne County

Thu 12/11

1:30 p.m.-5:55 p.m.

1 stop4h 25m

Philadelphia

Sun 15/11

6:00 a.m.-5:15 p.m.

2 stops11h 15m

C$ 463

DetroitPhiladelphia

DTW Detroit Metropolitan Wayne County - PHL Philadelphia

DTWPHL

Detroit Metropolitan Wayne County

Mon 19/10

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

Nonstop1h 37m

Philadelphia

Tue 20/10

6:10 a.m.-7:55 a.m.

Nonstop1h 45m

C$ 467

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/8

Showing 1-10 of 21 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$ 304). Flying from Detroit to Philadelphia in June is currently the most expensive (average of C$ 581). 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 70% versus a flight in the afternoon.

Weekly flight availability from Detroit to Philadelphia

The most flights from DTT to PHL are scheduled on a Sunday (34 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 Detroit to Philadelphia?

Airfare is below average for this route at the moment.
Detroit to Philadelphia flights typically cost between C$ 291 and C$ 429 in November.
The cheapest round-trip price found within the last 5 days was C$ 234 on Frontier (14 Nov-16 Nov).

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
2,640 reviews
Check prices

Comfort

5.4

Overall

5.6

Boarding

5.9

Entertainment

4.3

Food

4.5

Crew

6.5

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
2,640 reviews
Frontier
5.6
Fair
2,640 reviews
Check prices

Comfort

5.4

Overall

5.6

Boarding

5.9

Entertainment

4.3

Food

4.5

Crew

6.5

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 27 flights from All airports to Philadelphia, all of which are around 1h 37m 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 and Southwest fly from Detroit to Philadelphia in about 1h 37m. The time it takes to get you to your destination can typically vary by up to 2h 48m. Airlines will cover a distance of 727 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    According to our current data, American Airlines (C$ 289), offers the cheapest pricing from Detroit to Philadelphia. American Airlines is priced at 31% 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 (89%), Alaska Airlines (76%), Aeromexico (73%).

  • 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$ 1,451, our data indicates the cheapest price to be C$ 146. The most popular route (Detroit Metropolitan Wayne County - Philadelphia), is priced around C$ 273.

  • 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$ 304). Flying from Detroit to Philadelphia in June is currently the most expensive (average of C$ 581). 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 airline flying from Detroit to Philadelphia

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 289AverageC$ 535FlexibilityNo 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?

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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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