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Cheap flights from Detroit to Philadelphia from C$ 97

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — PHL
6 Apr — 13 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Detroit All airports to Philadelphia are usually found in February or July, booked 68 days in advance, depart on a Saturday or Friday and return on a Tuesday

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 7 March 2026.

Sun 15/39:02 a.m.
DTW
-
PHL
1 stop23h 05m
Frontier
Tue 17/37:10 p.m.
PHL
-
DTW
1 stop12h 57m
Frontier
Deal found 3/3C$ 187
Tue 21/45:42 p.m.
DTW
-
PHL
Nonstop1h 36m
Delta
Tue 28/48:05 p.m.
PHL
-
DTW
Nonstop1h 51m
Delta
Deal found 2/3C$ 217
Wed 1/412:57 p.m.
DTW
-
PHL
1 stop4h 38m
JetBlue
Sun 5/46:00 a.m.
PHL
-
DTW
1 stop6h 02m
JetBlue
Deal found 4/3C$ 247
Tue 31/312:57 p.m.
DTW
-
PHL
1 stop4h 38m
JetBlue
Sun 5/46:00 a.m.
PHL
-
DTW
1 stop6h 02m
JetBlue
Deal found 3/3C$ 252
Sun 15/34:17 p.m.
DTW
-
PHL
2 stops15h 50m
Multiple Airlines
Tue 17/37:10 p.m.
PHL
-
DTW
1 stop12h 57m
Multiple Airlines
Deal found 3/3C$ 264
Wed 15/72:46 p.m.
DTW
-
PHL
1 stop5h 03m
JetBlue
Wed 22/79:12 a.m.
PHL
-
DTW
1 stop8h 17m
JetBlue
Deal found 2/3C$ 273
Fri 3/410:02 a.m.
DTW
-
PHL
Nonstop1h 41m
Frontier
Fri 10/49:37 p.m.
PHL
-
DTW
1 stop10h 25m
Frontier
Deal found 6/3C$ 281
Sat 18/43:12 p.m.
DTW
-
PHL
Nonstop1h 35m
Delta
Tue 21/45:32 p.m.
PHL
-
DTW
Nonstop1h 42m
Delta
Deal found 3/3C$ 299

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 7 March 2026.

Round-trip from

C$ 217

One-way from

C$ 97

Popular in

April

Cheapest in

February

Average price

C$ 408

Good round-trip deal

C$ 1,407 or less

Good one-way deal

C$ 636 or less
Delta
  • Delta
  • 21/4-28/4
  • Nonstop
  • 3h 27m total
  • Detroit to Philadelphia
Search Deals
Frontier
  • Frontier
  • 20/4
  • 1 total stop
  • 12h 28m total
  • Detroit to Philadelphia
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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.
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 7 March 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

Tue 21/4

5:42 p.m.-7:18 p.m.

Nonstop1h 36m

Philadelphia

Tue 28/4

8:05 p.m.-9:56 p.m.

Nonstop1h 51m

C$ 217

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Tue 5/5

3:02 p.m.-4:37 p.m.

Nonstop1h 35m

Philadelphia

Tue 12/5

5:17 p.m.-12:58 a.m.

1 stop7h 41m

C$ 285

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Tue 21/4

7:19 a.m.-8:55 a.m.

Nonstop1h 36m

Philadelphia

Sat 2/5

5:30 a.m.-11:03 a.m.

1 stop5h 33m

C$ 312

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 17/7

2:46 p.m.-7:49 p.m.

1 stop5h 03m

Philadelphia

Mon 20/7

9:12 a.m.-1:51 p.m.

1 stop4h 39m

C$ 361

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Sat 11/4

10:05 a.m.-11:41 a.m.

Nonstop1h 36m

Philadelphia

Mon 13/4

6:00 a.m.-7:44 a.m.

Nonstop1h 44m

C$ 410

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 3/4

6:14 p.m.-7:49 p.m.

Nonstop1h 35m

Philadelphia

Sun 5/4

6:05 a.m.-7:55 a.m.

Nonstop1h 50m

C$ 435
Quickest round-trip

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 24/4

7:19 a.m.-8:55 a.m.

Nonstop1h 36m

Philadelphia

Mon 27/4

5:32 p.m.-7:14 p.m.

Nonstop1h 42m

C$ 435

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 29/5

9:30 p.m.-11:07 p.m.

Nonstop1h 37m

Philadelphia

Sun 31/5

6:12 a.m.-7:55 a.m.

Nonstop1h 43m

C$ 435

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Sun 29/3

7:05 a.m.-8:46 a.m.

Nonstop1h 41m

Philadelphia

Sun 5/4

6:05 a.m.-7:55 a.m.

Nonstop1h 50m

C$ 476

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 10/4

1:00 p.m.-11:05 p.m.

2 stops10h 05m

Philadelphia

Mon 13/4

12:20 p.m.-9:10 p.m.

2 stops8h 50m

C$ 484

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Showing 1-10 of 23 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

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 27 February 2026.

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.

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$ 60). Flying from Detroit to Philadelphia in December is currently the most expensive (average of C$ 109). 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 7 March 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 evening, which can drop the price by up to 84% 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 21 February 2026.

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

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

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 7 March 2026.
Read reviews from past customers who have flown Spirit Airlines 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
8,498 reviews
Check prices

Boarding

6.6

Crew

7.0

Comfort

5.9

Food

5.0

Entertainment

4.9

Overall

6.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

IAH - BWI

Everything was alright didn't get any snacks cause it was an short flight. The workers were very nice and respectful
Spirit Airlines
6.3
Okay
8,498 reviews
Spirit Airlines
6.3
Okay
8,498 reviews
Check prices

Boarding

6.6

Crew

7.0

Comfort

5.9

Food

5.0

Entertainment

4.9

Overall

6.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

IAH - BWI

Everything was alright didn't get any snacks cause it was an short flight. The workers were very nice and respectful

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 10 flights from All airports to Philadelphia, all of which are around 1h 36m 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 JetBlue fly from Detroit to Philadelphia in about 1h 35m. The time it takes to get you to your destination can typically vary by up to 3h 28m. 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, Spirit Airlines (C$ 73), offers the cheapest pricing from Detroit to Philadelphia. Spirit Airlines is priced at 79% 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 (100%), Republic Airways (90%), Qatar Airways (83%).

  • 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$ 1,674, our data indicates the cheapest price to be C$ 606. The most popular route (Detroit Metropolitan Wayne County - Philadelphia), is priced around C$ 324.

  • 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$ 60). Flying from Detroit to Philadelphia in December is currently the most expensive (average of C$ 109). 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 LaGuardia flights
Detroit to Philadelphia flights
Detroit to Newark 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 7 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapestC$ 73AverageC$ 201FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines 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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