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Cheap flights from Detroit to Philadelphia from C$ 147

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 31/7. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — PHL
17 Jul — 24 Jul1
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 54 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
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 17 June 2026.

Wed 16/96:50 a.m.
DTW
-
PHL
1 stop11h 25m
Frontier
Sun 20/98:25 a.m.
PHL
-
DTW
Nonstop1h 39m
Frontier
Deal found 12/6C$ 307
Sat 24/1011:00 a.m.
DTW
-
PHL
1 stop9h 55m
Frontier
Mon 26/108:25 a.m.
PHL
-
DTW
Nonstop1h 39m
Frontier
Deal found 16/6C$ 326
Sun 12/76:34 p.m.
DTW
-
PHL
1 stop6h 35m
Frontier
Sun 19/76:26 a.m.
PHL
-
DTW
Nonstop1h 51m
Frontier
Deal found 14/6C$ 342
Sat 4/72:54 p.m.
DTW
-
PHL
1 stop7h 35m
Frontier
Sun 5/76:26 a.m.
PHL
-
DTW
Nonstop1h 51m
Frontier
Deal found 14/6C$ 357
Sat 4/72:54 p.m.
DTW
-
PHL
1 stop16h 21m
Frontier
Sun 19/76:30 a.m.
PHL
-
DTW
1 stop7h 03m
Frontier
Deal found 14/6C$ 360
Thu 3/96:44 p.m.
DTW
-
PHL
1 stop6h 32m
Frontier
Mon 7/95:21 a.m.
PHL
-
DTW
1 stop6h 26m
Frontier
Deal found 12/6C$ 378
Fri 3/712:30 p.m.
DTW
-
PHL
1 stop6h 53m
Frontier
Sun 12/76:30 a.m.
PHL
-
DTW
1 stop7h 03m
Frontier
Deal found 16/6C$ 385

Find 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 17 June 2026.

Round-trip from

C$ 307

One-way from

C$ 147

Popular in

June

Cheapest in

February

Average price

C$ 533

Good round-trip deal

C$ 342 or less

Good one-way deal

C$ 854 or less
Frontier
  • Frontier
  • 16/9-20/9
  • 1 total stop
  • 13h 04m total
  • Detroit to Philadelphia
Search Deals
Frontier
  • Frontier
  • 31/7
  • Nonstop
  • 1h 39m total
  • Detroit to Philadelphia
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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.
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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 17 June 2026.
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 - PHL

DTWPHL

Detroit Metropolitan Wayne County

Sat 24/10

2:15 p.m.-9:20 p.m.

1 stop7h 05m

Philadelphia

Mon 26/10

2:30 p.m.-10:15 p.m.

2 stops7h 45m

C$ 454
Quickest round-trip

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 4/9

1:20 p.m.-5:55 p.m.

1 stop4h 35m

Philadelphia

Mon 7/9

6:20 a.m.-3:10 p.m.

2 stops8h 50m

C$ 468

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Wed 7/10

1:30 p.m.-9:40 p.m.

2 stops8h 10m

Philadelphia

Sun 11/10

2:05 p.m.-12:30 a.m.

2 stops10h 25m

C$ 468

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Thu 3/9

1:20 p.m.-5:55 p.m.

1 stop4h 35m

Philadelphia

Mon 7/9

6:20 a.m.-3:10 p.m.

2 stops8h 50m

C$ 490

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Thu 23/7

6:30 a.m.-1:20 p.m.

1 stop6h 50m

Philadelphia

Mon 27/7

12:50 p.m.-10:30 p.m.

2 stops9h 40m

C$ 496

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Wed 16/9

6:25 a.m.-6:00 p.m.

2 stops11h 35m

Philadelphia

Sun 20/9

6:20 a.m.-4:45 p.m.

2 stops10h 25m

C$ 504

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Sat 29/8

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

2 stops8h 05m

Philadelphia

Sun 30/8

11:50 a.m.-9:40 p.m.

2 stops9h 50m

C$ 504

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 24/7

1:25 p.m.-11:55 p.m.

2 stops10h 30m

Philadelphia

Sun 26/7

6:20 a.m.-2:00 p.m.

1 stop7h 40m

C$ 518

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 3/7

12:30 p.m.-7:23 p.m.

1 stop6h 53m

Philadelphia

Sun 12/7

10:59 p.m.-12:55 p.m.

2 stops37h 56m

C$ 522

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Sun 4/10

8:05 a.m.-6:25 p.m.

2 stops10h 20m

Philadelphia

Sat 17/10

11:15 a.m.-6:50 p.m.

2 stops7h 35m

C$ 525

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/6

Showing 1-10 of 22 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
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

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

Currently, August is the cheapest month in which you can book a flight from Detroit to Philadelphia (average of C$ 48). Flying from Detroit to Philadelphia in March is currently the most expensive (average of C$ 237). 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 17 June 2026.

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 morning, which can drop the price by up to 57% versus a flight in the evening.

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 17 June 2026.

The most flights from DTT to PHL are scheduled on a Tuesday (30 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?

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

Booking 51 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.

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.

  • How long is the flight from Detroit to Philadelphia?

    Airlines like Southwest fly from Detroit to Philadelphia in about 7h 05m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 727 km.

  • 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 (100%), American Airlines (86%), Alaska Airlines (82%).

  • 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$ 1,450, our data indicates the cheapest price to be C$ 173. The most popular route (Detroit Metropolitan Wayne County - Philadelphia), is priced around C$ 405.

  • 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, August is the cheapest month in which you can book a flight from Detroit to Philadelphia (average of C$ 48). Flying from Detroit to Philadelphia in March is currently the most expensive (average of C$ 237). 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
Reading
King of Prussia

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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 Newark flights
Detroit to LaGuardia flights
Detroit to Philadelphia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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