Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Detroit to Philadelphia from C$ 157

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — PHL
13 Nov — 20 Nov1
1 adult
1 adult, Economy

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

Find 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 14 October 2025.

Sat 1/119:01 a.m.DTW - PHL
Nonstop1h 34mMultiple Airlines
Thu 13/116:00 a.m.PHL - DTW
1 stop5h 29mMultiple Airlines
Deal found 13/10C$ 209
Fri 31/105:14 p.m.DTW - PHL
1 stop11h 35mFrontier
Fri 14/116:19 a.m.PHL - DTW
1 stop10h 00mFrontier
Deal found 13/10C$ 211
Fri 14/116:07 p.m.DTW - PHL
1 stop6h 12mFrontier
Sun 16/116:00 a.m.PHL - DTW
1 stop5h 29mFrontier
Deal found 12/10C$ 212
Fri 31/1012:24 p.m.DTW - PHL
1 stop8h 58mFrontier
Mon 10/116:00 a.m.PHL - DTW
1 stop5h 29mFrontier
Deal found 14/10C$ 214
Sat 1/116:29 p.m.DTW - PHL
1 stop5h 44mFrontier
Sat 15/112:35 p.m.PHL - DTW
1 stop20h 54mFrontier
Deal found 14/10C$ 215
Fri 31/1012:24 p.m.DTW - PHL
1 stop8h 58mMultiple Airlines
Mon 10/119:32 p.m.PHL - DTW
Nonstop1h 53mMultiple Airlines
Deal found 14/10C$ 216
Sun 9/116:55 p.m.DTW - PHL
1 stop23h 04mFrontier
Sun 16/116:00 a.m.PHL - DTW
1 stop5h 29mFrontier
Deal found 12/10C$ 218
Fri 14/1110:47 a.m.DTW - PHL
Nonstop1h 38mMultiple Airlines
Sun 16/116:00 a.m.PHL - DTW
1 stop5h 29mMultiple Airlines
Deal found 12/10C$ 222
Sat 15/119:29 p.m.DTW - PHL
Nonstop1h 37mDelta
Wed 19/116:00 a.m.PHL - DTW
Nonstop2h 00mDelta
Deal found 13/10C$ 223
Tue 4/119:30 p.m.DTW - PHL
Nonstop1h 35mDelta
Wed 12/116:00 a.m.PHL - DTW
Nonstop2h 00mDelta
Deal found 12/10C$ 237
Fri 31/109:55 p.m.DTW - PHL
Nonstop1h 34mSpirit Airlines
Fri 14/119:32 p.m.PHL - DTW
Nonstop1h 53mSpirit Airlines
Deal found 13/10C$ 239
Fri 31/102:53 p.m.DTW - PHL
1 stop8h 24mMultiple Airlines
Fri 14/118:00 a.m.PHL - DTW
1 stop10h 27mMultiple Airlines
Deal found 13/10C$ 240

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 14 October 2025.

Round-trip from

C$ 209

One-way from

C$ 157

Popular in

March

Cheapest in

December

Average price

C$ 302

Good round-trip deal

C$ 321 or less
Frontier
  • Frontier
  • 1/11-13/11
  • 1 total stop
  • 7h 03m total
  • Detroit to Philadelphia
Search Deals
JetBlue
  • JetBlue
  • 11/4
  • 1 total stop
  • 4h 37m total
  • Detroit to Philadelphia
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip 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 14 October 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

Sat 15/11

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

Nonstop1h 37m

Philadelphia

Wed 19/11

9:37 a.m.-11:23 a.m.

Nonstop1h 46m

C$ 223

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Tue 4/11

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

Nonstop1h 35m

Philadelphia

Wed 12/11

9:37 a.m.-11:22 a.m.

Nonstop1h 45m

C$ 237

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Sat 1/11

10:05 a.m.-11:38 a.m.

Nonstop1h 33m

Philadelphia

Sat 15/11

12:42 p.m.-2:31 p.m.

Nonstop1h 49m

C$ 273

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Sat 1/11

6:29 p.m.-8:30 a.m.

2 stops14h 01m

Philadelphia

Thu 13/11

10:10 p.m.-9:33 a.m.

1 stop11h 23m

C$ 282

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Tue 9/12

2:54 p.m.-4:32 p.m.

Nonstop1h 38m

Philadelphia

Tue 6/1

6:00 a.m.-7:52 a.m.

Nonstop1h 52m

C$ 285

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Wed 17/12

5:58 p.m.-7:39 p.m.

Nonstop1h 41m

Philadelphia

Wed 7/1

6:00 a.m.-7:52 a.m.

Nonstop1h 52m

C$ 285

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Sat 13/12

9:29 p.m.-11:10 p.m.

Nonstop1h 41m

Philadelphia

Tue 6/1

6:00 a.m.-7:52 a.m.

Nonstop1h 52m

C$ 285

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 7/11

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

Nonstop1h 36m

Philadelphia

Wed 12/11

9:37 a.m.-11:22 a.m.

Nonstop1h 45m

C$ 294

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Thu 6/11

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

Nonstop1h 36m

Philadelphia

Wed 12/11

6:00 a.m.-8:00 a.m.

Nonstop2h 00m

C$ 294

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Thu 6/11

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

Nonstop1h 36m

Philadelphia

Sat 15/11

6:29 p.m.-8:22 p.m.

Nonstop1h 53m

C$ 294

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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 10 October 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, March is the cheapest month in which you can book a flight from Detroit to Philadelphia (average of C$ 62). Flying from Detroit to Philadelphia in July is currently the most expensive (average of C$ 101). 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 14 October 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 72% 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 12 October 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 14 October 2025.

The most flights from DTT to PHL are scheduled on a Tuesday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 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 14 October 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
8,094 reviews
Check prices

Crew

7.0

Overall

6.3

Food

5.1

Comfort

5.9

Entertainment

5.0

Boarding

6.6

Reviews

1 / 20
6.0
Good

Anonymous,Oct 2025

MCO - PIT

Did not get anything for free no snacks or drinks
Spirit Airlines
6.3
Okay
8,094 reviews
Spirit Airlines
6.3
Okay
8,094 reviews
Check prices

Crew

7.0

Overall

6.3

Food

5.1

Comfort

5.9

Entertainment

5.0

Boarding

6.6

Reviews

1 / 20
6.0
Good

Anonymous,Oct 2025

MCO - PIT

Did not get anything for free no snacks or drinks
Frontier
5.8
Fair
3,136 reviews
Spirit Airlines
6.3
Okay
8,094 reviews
Check prices

Crew

7.0

Overall

6.3

Food

5.1

Comfort

5.9

Entertainment

5.0

Boarding

6.6

Reviews

1 / 20
6.0
Good

Anonymous,Oct 2025

MCO - PIT

Did not get anything for free no snacks or drinks

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 22 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$ 55), and Spirit Airlines (C$ 75) 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 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%), Frontier (100%), LATAM Airlines (96%).

  • 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$ 1,238, our data indicates the cheapest price to be C$ 291. The most popular route (Detroit Metropolitan Wayne County - Philadelphia), is priced around C$ 209.

  • 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$ 62). Flying from Detroit to Philadelphia in July is currently the most expensive (average of C$ 101). 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 14 October 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 55AverageC$ 209FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapestC$ 75AverageC$ 166FlexibilityNo 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.