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$81+ Cheap flights from Detroit to Philadelphia (DTT - PHL)

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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — PHL
Aug 1 — Aug 81
Sat 8/1
Sat 8/8
1 adult, Economy
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Find cheap flights from Detroit to Philadelphia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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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 Friday or Thursday and return on a Thursday

Cheap 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 July 2, 2026.

This Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/271:50 pm
DTW
-
PHL
Nonstop1h 39m
Frontier
Sat 8/16:26 am
PHL
-
DTW
Nonstop1h 51m
Frontier
Deal found 7/1$219
This Frontier deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/182:56 pm
DTW
-
PHL
1 stop7h 32m
Frontier
Sun 7/196:26 am
PHL
-
DTW
Nonstop1h 51m
Frontier
Deal found 7/2$220
This Super.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:10 am
DTW
-
PHL
1 stop6h 12m
Frontier
Thu 7/306:26 am
PHL
-
DTW
Nonstop1h 51m
Frontier
Deal found 6/30$221
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:34 pm
DTW
-
PHL
1 stop7h 37m
Frontier
Tue 9/298:44 pm
PHL
-
DTW
2 stops14h 18m
Frontier
Deal found 7/1$222
This Frontier deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:51 pm
DTW
-
PHL
1 stop12h 56m
Frontier
Sat 7/256:26 am
PHL
-
DTW
Nonstop1h 51m
Frontier
Deal found 7/2$223
This Frontier deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/142:56 pm
DTW
-
PHL
1 stop7h 32m
Frontier
Tue 7/216:26 am
PHL
-
DTW
Nonstop1h 51m
Frontier
Deal found 6/30$224
This Super.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/241:50 pm
DTW
-
PHL
Nonstop1h 39m
Frontier
Sun 7/266:26 am
PHL
-
DTW
Nonstop1h 51m
Frontier
Deal found 7/2$225
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:50 am
DTW
-
PHL
1 stop6h 22m
Frontier
Sat 11/78:25 am
PHL
-
DTW
Nonstop1h 39m
Frontier
Deal found 7/1$226
This Kiwi.com deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/271:50 pm
DTW
-
PHL
Nonstop1h 39m
Frontier
Sat 8/84:30 pm
PHL
-
DTW
1 stop8h 10m
Frontier
Deal found 6/29$227
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:10 am
DTW
-
PHL
1 stop6h 12m
Frontier
Tue 7/284:30 pm
PHL
-
DTW
1 stop8h 10m
Frontier
Deal found 6/30$228
This Frontier deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/241:50 pm
DTW
-
PHL
Nonstop1h 39m
Frontier
Fri 7/316:26 am
PHL
-
DTW
Nonstop1h 51m
Frontier
Deal found 6/30$229
This CheapOair deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:10 am
DTW
-
PHL
1 stop16h 18m
Frontier
Fri 7/176:26 am
PHL
-
DTW
Nonstop1h 51m
Frontier
Deal found 6/30$230

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 July 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$219
(Frontier)

One-way from

$81
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$298

Good round-trip deal

$306 or less

Good one-way deal

$313 or less
Provider with most accurate pricing for Detroit (DTT)-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Philadelphia flights.
Search Deals
From Detroit (DTT) to Philadelphia
Search Deals
One-way flight from Detroit (DTT) to Philadelphia
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 2,558,603 searches. Data last updated July 2, 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

Fri 7/17

12:27 pm-11:38 pm

1 stop11h 11m

Philadelphia

Sun 7/19

6:00 am-12:55 pm

1 stop6h 55m

$290

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 11/20

9:25 pm-11:02 pm

Nonstop1h 37m

Philadelphia

Sat 11/28

7:59 pm-9:48 pm

Nonstop1h 49m

$299
Quickest round-trip

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 7/31

7:05 am-8:41 am

Nonstop1h 36m

Philadelphia

Sun 8/2

6:10 am-7:48 am

Nonstop1h 38m

$299

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Wed 8/12

3:35 pm-9:45 pm

2 stops6h 10m

Philadelphia

Mon 8/17

6:20 am-3:10 pm

2 stops8h 50m

$329

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Tue 8/18

12:55 pm-9:50 pm

2 stops8h 55m

Philadelphia

Sat 8/29

8:05 am-6:55 pm

2 stops10h 50m

$335

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 11/13

1:30 pm-5:55 pm

1 stop4h 25m

Philadelphia

Mon 11/16

11:45 am-8:50 pm

2 stops9h 05m

$364

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Mon 8/10

2:40 pm-10:00 pm

2 stops7h 20m

Philadelphia

Wed 8/12

6:25 am-3:00 pm

2 stops8h 35m

$369

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Sun 8/16

6:35 am-4:25 pm

2 stops9h 50m

Philadelphia

Tue 8/18

1:45 pm-9:50 pm

2 stops8h 05m

$369

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 8/14

2:40 pm-10:00 pm

2 stops7h 20m

Philadelphia

Mon 8/17

6:20 am-3:10 pm

2 stops8h 50m

$369

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 8/7

2:40 pm-10:00 pm

2 stops7h 20m

Philadelphia

Mon 8/10

5:55 am-3:10 pm

2 stops9h 15m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 24 resultsSorted by cheapest first
1
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3

Compare providers for flights from Detroit to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Detroit to Philadelphia in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Detroit-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Detroit-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $34). Flying from Detroit to Philadelphia in March is currently the most expensive (average of $169). 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 July 2, 2026.

It’s typically best to fly out from Detroit to Philadelphia in the morning. Doing so could potentially save you 55% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 July 2, 2026.

The most flights from DTT to PHL are scheduled on a Wednesday (28 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (11 on average).

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

What’s the top layover airport for flights from Detroit to Philadelphia?

Share of 1-stop round-trip flights from Detroit to Philadelphia chosen by Cheapflights users in the past 12 months, using the same layover each way.

Nashville (BNA) – chosen by Cheapflights users on 50% of 1-stop itineraries from Detroit to Philadelphia on Cheapflights.

What’s the cheapest layover airport for flights from Detroit to Philadelphia?

Average round-trip fare for 1-stop flights from Detroit to Philadelphia, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Washington, D.C. (IAD) is the most affordable 1-stop option, with an average round-trip price of $348.

What’s the fastest layover option from Detroit to Philadelphia?

Shortest average travel time for 1-stop one-way flights from Detroit to Philadelphia, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Washington, D.C. (IAD) have the shortest average one-way travel time for 1-stop routes: 3h 46m.

Which airport typically offers the quickest layover for flights from Detroit to Philadelphia?

Average layover duration for 1-stop one-way flights from Detroit to Philadelphia, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Washington, D.C. (IAD) offer the fastest connection on this route, with an average layover time of 1h 03m.

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.

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 June 27, 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. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 July 2, 2026.
See what other customers who have flown with Delta,American Airlines, andFrontier from Detroit to Philadelphia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,452 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Laura,Aug 2023

DTW - BOS

Finally got on a flight to Boston and all went ok. We were the last to board and sat in the last seats on the plane. Not particularly treated well after waiting all day to travel.
Delta
7.8
Good
8,452 reviews
Delta
7.8
Good
8,452 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Laura,Aug 2023

DTW - BOS

Finally got on a flight to Boston and all went ok. We were the last to board and sat in the last seats on the plane. Not particularly treated well after waiting all day to travel.
American Airlines
7.1
Good
11,771 reviews
Delta
7.8
Good
8,452 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Laura,Aug 2023

DTW - BOS

Finally got on a flight to Boston and all went ok. We were the last to board and sat in the last seats on the plane. Not particularly treated well after waiting all day to travel.
Frontier
5.6
Fair
2,850 reviews
Delta
7.8
Good
8,452 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Laura,Aug 2023

DTW - BOS

Finally got on a flight to Boston and all went ok. We were the last to board and sat in the last seats on the plane. Not particularly treated well after waiting all day to travel.

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?

    To fly from Detroit to Philadelphia, you need to book a flight from All airports (DTT) to Philadelphia (PHL). Nonstop flights to Philadelphia from Detroit All airports take 1h 33m on average. When it comes time to book airfare, you have a few options: there are 16 outbound flights from All airports to Philadelphia offered by 3 different airlines.

  • How long is the flight from Detroit to Philadelphia?

    A quick flight from Detroit to Philadelphia can take about 1h 37m. Frontier provides one of the quickest options available for as low as $299. Airlines will cover a distance of 452 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Our cheapest airline available from Detroit to Philadelphia is Frontier. Our recent data shows that you can find tickets from as low as $58 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $159 and $202 round-trip. Frontier is 80% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $49. However, be on the lookout for offers from Southwest and American Airlines, as they are both options that can get you from Detroit to Philadelphia for a low price.

  • 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 (94%), American Airlines (86%), Alaska Airlines (84%).

  • What are the cheapest flights from Detroit to Philadelphia?

    Looking at all options, your cheapest flight can be booked for $134. While the most popular route (Detroit Metropolitan Wayne County - Philadelphia) can be booked for $174 on average, our data indicates $1,511 when flying from Detroit to Philadelphia.

  • 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 $34). Flying from Detroit to Philadelphia in March is currently the most expensive (average of $169). 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

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
King of Prussia
Reading
Camden
Ocean City
Plymouth Meeting
Cherry Hill
Lewes
Wyomissing
Dewey Beach
Pottstown
Ephrata
Milford
Wildwood Crest
Dover
Elkton
Essington
Willow Grove
New Castle
Millville

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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.
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Top 3 airlines flying from Detroit to Philadelphia

Discover the top 3 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 2,558,603 searches. Data last updated July 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$182FlexibilityNo cancel feeOn-time62%
DeltaCheapest$159Average$359FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$202Average$341FlexibilityNo cancel feeOn-time71%

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