Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Detroit to Philadelphia from C$ 101

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 30/10. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — PHL
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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

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 15 September 2025.

Round-trip from

C$ 201

One-way from

C$ 101

Popular in

March

Cheapest in

December

Average price

C$ 274

Good round-trip deal

C$ 204 or less

Good one-way deal

C$ 856 or less
Frontier
  • Frontier
  • 9/10-12/10
  • 2 total stops
  • 18h 08m total
  • Detroit to Philadelphia
Search Deals
Frontier
  • Frontier
  • 30/10
  • 1 total stop
  • 8h 58m total
  • Detroit to Philadelphia
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 84 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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

Find flight deals from Detroit to Philadelphia

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 15 September 2025.

Thu 9/101:24 p.m.DTW - PHL
1 stop11h 49mFrontier
Sun 12/106:15 a.m.PHL - DTW
1 stop6h 19mFrontier
Deal found 14/9C$ 201
Thu 9/102:20 p.m.DTW - PHL
Nonstop1h 34mSpirit Airlines
Sun 12/106:19 a.m.PHL - DTW
Nonstop1h 47mSpirit Airlines
Deal found 13/9C$ 208
Wed 19/117:00 a.m.DTW - PHL
1 stop7h 00mSouthwest
Wed 10/1211:40 a.m.PHL - DTW
1 stop6h 10mSouthwest
Deal found 12/9C$ 220
Thu 18/99:10 a.m.DTW - PHL
1 stop5h 49mSpirit Airlines
Sat 20/98:43 p.m.PHL - DTW
1 stop11h 57mSpirit Airlines
Deal found 13/9C$ 241
Sat 27/97:02 a.m.DTW - PHL
1 stop6h 00mSpirit Airlines
Sat 4/106:25 a.m.PHL - DTW
Nonstop1h 52mSpirit Airlines
Deal found 14/9C$ 248
Fri 31/109:30 p.m.DTW - PHL
Nonstop1h 35mDelta
Wed 5/116:00 a.m.PHL - DTW
Nonstop1h 48mDelta
Deal found 13/9C$ 275
Sat 4/104:10 p.m.DTW - PHL
Nonstop1h 40mDelta
Tue 7/107:59 p.m.PHL - DTW
Nonstop1h 51mDelta
Deal found 15/9C$ 282
Fri 7/117:45 p.m.DTW - PHL
1 stop5h 07mDelta
Tue 11/116:00 a.m.PHL - DTW
Nonstop2h 02mDelta
Deal found 14/9C$ 289

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 15 September 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

Thu 30/10

2:20 p.m.-3:54 p.m.

Nonstop1h 34m

Philadelphia

Mon 3/11

6:19 a.m.-8:06 a.m.

Nonstop1h 47m

C$ 208

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Wed 19/11

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

Nonstop1h 37m

Philadelphia

Wed 10/12

9:39 a.m.-11:22 a.m.

Nonstop1h 43m

C$ 220

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Wed 19/11

7:00 a.m.-2:00 p.m.

1 stop7h 00m

Philadelphia

Wed 10/12

11:40 a.m.-5:50 p.m.

1 stop6h 10m

C$ 220

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Sat 1/11

9:30 p.m.-11:05 p.m.

Nonstop1h 35m

Philadelphia

Wed 5/11

6:00 a.m.-7:48 a.m.

Nonstop1h 48m

C$ 220

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Tue 28/10

7:05 a.m.-8:41 a.m.

Nonstop1h 36m

Philadelphia

Wed 5/11

6:00 a.m.-7:48 a.m.

Nonstop1h 48m

C$ 220

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 31/10

9:30 p.m.-11:05 p.m.

Nonstop1h 35m

Philadelphia

Wed 5/11

9:46 a.m.-11:31 a.m.

Nonstop1h 45m

C$ 275

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Mon 27/10

5:40 p.m.-7:14 p.m.

Nonstop1h 34m

Philadelphia

Wed 5/11

9:46 a.m.-11:31 a.m.

Nonstop1h 45m

C$ 275

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Thu 30/10

7:05 a.m.-8:41 a.m.

Nonstop1h 36m

Philadelphia

Wed 5/11

12:23 p.m.-2:12 p.m.

Nonstop1h 49m

C$ 275

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Wed 29/10

7:45 p.m.-12:52 a.m.

1 stop5h 07m

Philadelphia

Wed 5/11

9:46 a.m.-11:31 a.m.

Nonstop1h 45m

C$ 289

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Wed 29/10

11:34 a.m.-3:57 p.m.

1 stop4h 23m

Philadelphia

Thu 6/11

6:00 a.m.-10:49 a.m.

1 stop4h 49m

C$ 309

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 18 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 12 September 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, January is the cheapest month in which you can book a flight from Detroit to Philadelphia (average of C$ 388). Flying from Detroit to Philadelphia in May is currently the most expensive (average of C$ 416). 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 15 September 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 14 September 2025.

Travelers seeking maximum savings on their Detroit to Philadelphia flight should consider departing on Monday at noon when fares are most often at their lowest. Monday 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 15 September 2025.

The most flights from DTT to PHL are scheduled on a Monday (30 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

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 15 September 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
8,015 reviews
Check prices

Overall

6.3

Entertainment

5.0

Boarding

6.6

Comfort

5.9

Food

5.1

Crew

7.0

Reviews

1 / 20
8.0
Excellent

Rebecca,Sep 2025

DTW - LAX

At least one free drink and snack. Plugs for charging on long flights and wider seats.
Spirit Airlines
6.3
Okay
8,015 reviews
Spirit Airlines
6.3
Okay
8,015 reviews
Check prices

Overall

6.3

Entertainment

5.0

Boarding

6.6

Comfort

5.9

Food

5.1

Crew

7.0

Reviews

1 / 20
8.0
Excellent

Rebecca,Sep 2025

DTW - LAX

At least one free drink and snack. Plugs for charging on long flights and wider seats.
Frontier
5.8
Fair
3,172 reviews
Spirit Airlines
6.3
Okay
8,015 reviews
Check prices

Overall

6.3

Entertainment

5.0

Boarding

6.6

Comfort

5.9

Food

5.1

Crew

7.0

Reviews

1 / 20
8.0
Excellent

Rebecca,Sep 2025

DTW - LAX

At least one free drink and snack. Plugs for charging on long flights and wider seats.

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 25 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 Spirit Airlines, Delta, and Southwest fly from Detroit to Philadelphia in about 1h 34m. The time it takes to get you to your destination can typically vary by up to 5h 26m. 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 are the cheapest airlines flying from Detroit to Philadelphia round-trip?

    According to our current data, Frontier (C$ 52), and Spirit Airlines (C$ 74) offers the cheapest pricing from Detroit to Philadelphia. Frontier is priced at 83% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Detroit to Philadelphia one-way?

    C$ 101 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and Southwest, with prices starting from C$ 104 and C$ 125, respectively.

  • 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: LATAM Airlines (100%), Frontier (94%), Aeromexico (85%).

  • 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$ 753, our data indicates the cheapest price to be C$ 121. The most popular route (Detroit Metropolitan Wayne County - Philadelphia), is priced around C$ 208.

  • 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$ 388). Flying from Detroit to Philadelphia in May is currently the most expensive (average of C$ 416). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 2 airlines flying from Detroit to Philadelphia

Discover the top 2 airlines 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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 52AverageC$ 122FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapestC$ 74AverageC$ 155FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.