Q: 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$ 173 and C$ 369 in October. The cheapest round-trip price found within the last 3 days was C$ 150 on Spirit Airlines (9 Oct-12 Oct).

Question 1

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

Accepted Answer

Airfare is below average for this route at the moment.Detroit to Philadelphia flights typically cost between C$ 173 and C$ 369 in October.
The cheapest round-trip price found within the last 3 days was C$ 150 on Spirit Airlines (9 Oct-12 Oct).

Question 2

What are the cheapest airlines flying from Detroit to Philadelphia round-trip?

Accepted Answer

According to our current data, Frontier (C$ 52), and Spirit Airlines (C$ 70) offers the cheapest pricing from Detroit to Philadelphia. Frontier is priced at 82% lower than the current average price of a flight leaving 3 months from now.

Question 3

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

Accepted Answer

Booking 85 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.

Question 4

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

Accepted Answer

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 September is currently the most expensive (average of C$ 418). 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.

Question 5

What is the cheapest day to fly from Detroit to Philadelphia?

Accepted Answer

Travelers seeking maximum savings on their Detroit to Philadelphia flight should consider departing on Thursday evenings 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.

Question 6

Weekly flight availability from Detroit to Philadelphia

Accepted Answer

The most flights from DTT to PHL are scheduled on a Friday (29 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (21 on average).

Question 7

E

Accepted Answer

In terms of precipitation, rainfall in Philadelphia ranges from 69.0 - 112.0 mm per month. July is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Philadelphia when rainfall is around 69.0 mm.

Question 8

E

Accepted Answer

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

Question 9

What are the cheapest flights from Detroit to Philadelphia?

Accepted Answer

Looking for the cheapest flight from Detroit to Philadelphia? While on average our users pay C$ 871, our data indicates the cheapest price to be C$ 143. The most popular route (Detroit Metropolitan Wayne County - Philadelphia), is priced around C$ 352.

Question 10

What are the most reliable airlines from Detroit to Philadelphia?

Accepted Answer

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: SkyWest Airlines (100%), PSA Airlines (89%), LATAM Airlines (83%).

Question 11

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

Accepted Answer

Users have found that leaving on a Wednesday can be a cost-effective option. It’s possible to save up to 132% on your flight compared to booking on days when demand is much higher.

Question 12

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

Accepted Answer

Users have found that booking a flight from Detroit to Philadelphia at least 47 days early can save you up to 88% on average compared to booking a flight this week. If booking 47 days before your flight isn’t an option for you, users have found flights from Detroit to Philadelphia for as little as C$ 156 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as C$ 156 for flights departing within the next 3 days.

Question 13

What is the cheapest month to fly from Detroit to Philadelphia?

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in March. For low rates, October can be a great choice for travel to Philadelphia. Flights to Philadelphia from Detroit in October are about C$ 292 on average during October, but can be found for as low as C$ 81.

Question 14

What is the cheapest time of day to fly from DTT to PHL?

Accepted Answer

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.

Question 15

What airports do I use to fly from Detroit to Philadelphia?

Accepted Answer

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 24 flights from All airports to Philadelphia, all of which are around 1h 41m for a nonstop flight. You can also purchase a plane ticket from 2 airlines when you book a flight from All airports to Philadelphia.

Question 16

Can I find deals for flights from Detroit to Philadelphia that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Detroit to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 17

How can I find direct flights from Detroit to Philadelphia?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Philadelphia.

Question 18

Can I find deals for business class flights from Detroit to Philadelphia?

Accepted Answer

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.

Question 19

How does Cheapflights help users find flights from Detroit to Philadelphia?

Accepted Answer

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.

Question 20

Why should you use Cheapflights to find cheap flight tickets from Detroit to Philadelphia?

Accepted Answer

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.

Question 21

Can Cheapflights find flights from Detroit to Philadelphia with no change fees?

Accepted Answer

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.

Question 22

Can Cheapflights notify me if prices for flights from Detroit to Philadelphia become cheaper?

Accepted Answer

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.

Round-trip from	C$ 150
One-way from	C$ 70
Popular in	March
Cheapest in	October
Average price	C$ 244
Good round-trip deal	C$ 1,047 or less
Good one-way deal	C$ 696 or less

Airline	Cheapest	Average	Flexibility	On-time
Frontier	CheapestC$ 52	AverageC$ 121	FlexibilityNo cancel fee	On-time62%	Search Frontier flights
Spirit Airlines	CheapestC$ 70	AverageC$ 144	FlexibilityNo cancel fee	On-time65%	Search Spirit Airlines flights

Cheap flights from Detroit to Philadelphia from C$ 70

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Detroit All airports to Philadelphia are usually found in October or December, booked 85 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap flight deals from Detroit to Philadelphia

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Find flight deals from Detroit to Philadelphia

Cheapest flights from Detroit to PhiladelphiaExplore 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 16 August 2025.

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 16 August 2025.

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Use the filters below to find and compare flights from Detroit to Philadelphia that are best for you.

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.

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 8 August 2025.

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

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 16 August 2025.

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 10 August 2025.

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 16 August 2025.

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

Reviews of airlines servicing Philadelphia

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.

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?

What are the cheapest airlines flying from Detroit to Philadelphia round-trip?

What are the most reliable airlines from Detroit to Philadelphia?

What are the cheapest flights from Detroit to Philadelphia?

Can I find deals for flights from Detroit to Philadelphia that include hotel bookings?

How can I find direct flights from Detroit to Philadelphia?

Can I find deals for business class flights from Detroit to Philadelphia?

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

Travelling to a place near Philadelphia?

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Alternative routes for Detroit to Philadelphia

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Top 2 airlines flying from Detroit to Philadelphia

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How does Cheapflights help users find flights from Detroit to Philadelphia?

Why should you use Cheapflights to find cheap flight tickets from Detroit to Philadelphia?

Can Cheapflights find flights from Detroit to Philadelphia with no change fees?

Can Cheapflights notify me if prices for flights from Detroit to Philadelphia become cheaper?

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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 16 August 2025.