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$22+ 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 12/20. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — PHL
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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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 Thursday or Friday and return on a Thursday

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 octubre 30, 2025.

This Trip.com deal was found by Cheapflights users on 10/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1710:47 amDTW - PHL
Nonstop1h 38mMultiple Airlines
mié. 11/196:50 pmPHL - DTW
1 stop19h 48mMultiple Airlines
Deal found 10/28$141
This CheapOair deal was found by Cheapflights users on 10/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/1412:24 pmDTW - PHL
1 stop13h 00mFrontier
sáb. 11/152:35 pmPHL - DTW
1 stop20h 54mFrontier
Deal found 10/29$143
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
jue. 11/205:15 amDTW - PHL
1 stop8h 08mMultiple Airlines
lun. 11/246:41 pmPHL - DTW
1 stop14h 52mMultiple Airlines
Deal found 10/28$144
This Orbitz deal was found by Cheapflights users on 10/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/2110:51 amDTW - PHL
1 stop12h 12mMultiple Airlines
dom. 11/236:00 amPHL - DTW
Nonstop1h 56mMultiple Airlines
Deal found 10/30$147
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/235:15 amDTW - PHL
1 stop12h 27mSpirit Airlines
lun. 12/16:41 pmPHL - DTW
1 stop14h 52mSpirit Airlines
Deal found 10/28$148
This Frontier deal was found by Cheapflights users on 10/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/18:29 pmDTW - PHL
Nonstop1h 42mFrontier
vie. 12/510:55 amPHL - DTW
1 stop8h 25mFrontier
Deal found 10/29$150
This Frontier deal was found by Cheapflights users on 10/28. 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.
lun. 11/248:51 amDTW - PHL
Nonstop1h 47mFrontier
dom. 11/306:00 amPHL - DTW
Nonstop1h 56mFrontier
Deal found 10/28$151
This Frontier deal was found by Cheapflights users on 10/30. 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.
lun. 11/248:51 amDTW - PHL
Nonstop1h 47mFrontier
mar. 11/2512:11 pmPHL - DTW
Nonstop1h 52mFrontier
Deal found 10/30$152
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
mar. 11/252:52 pmDTW - PHL
1 stop8h 33mMultiple Airlines
lun. 12/16:41 pmPHL - DTW
1 stop14h 52mMultiple Airlines
Deal found 10/28$154
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/155:45 pmDTW - PHL
1 stop6h 08mSpirit Airlines
sáb. 11/229:48 amPHL - DTW
Nonstop1h 48mSpirit Airlines
Deal found 10/28$155
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/1810:42 amDTW - PHL
2 stops12h 44mSpirit Airlines
jue. 11/204:12 pmPHL - DTW
Nonstop1h 48mSpirit Airlines
Deal found 10/30$156

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 octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$141
(Trip.com)

One-way from

$22
(Priceline)

Popular in

March

Cheapest in

December

Average price

$217

Good round-trip deal

$270 or less

Good one-way deal

$140 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. 10% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 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
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 octubre 30, 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

mar. 12/2

9:29 pm-11:10 pm

Nonstop1h 41m

Philadelphia

mar. 12/9

5:17 pm-7:07 pm

Nonstop1h 50m

$159

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

jue. 12/4

10:00 am-11:37 am

Nonstop1h 37m

Philadelphia

sáb. 12/6

6:19 pm-8:10 pm

Nonstop1h 51m

$199

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

sáb. 12/6

3:55 pm-5:31 pm

Nonstop1h 36m

Philadelphia

lun. 12/8

5:17 pm-7:07 pm

Nonstop1h 50m

$199

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

mié. 12/17

2:54 pm-4:32 pm

Nonstop1h 38m

Philadelphia

mar. 1/6

9:40 am-11:28 am

Nonstop1h 48m

$203

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

mar. 2/24

4:00 pm-12:32 am

1 stop8h 32m

Philadelphia

mié. 2/25

9:11 pm-10:05 am

1 stop12h 54m

$205

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

mar. 12/2

6:00 pm-10:47 pm

1 stop4h 47m

Philadelphia

sáb. 12/6

12:22 pm-2:09 pm

Nonstop1h 47m

$209

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

dom. 11/30

7:00 am-8:42 am

Nonstop1h 42m

Philadelphia

mar. 12/9

8:24 pm-10:12 pm

Nonstop1h 48m

$223

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

sáb. 12/6

9:29 pm-11:10 pm

Nonstop1h 41m

Philadelphia

dom. 12/7

8:24 pm-10:12 pm

Nonstop1h 48m

$223

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

dom. 11/23

10:21 am-11:03 pm

1 stop12h 42m

Philadelphia

dom. 11/30

6:00 am-7:56 am

Nonstop1h 56m

$225

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

mié. 11/26

2:41 pm-9:41 pm

1 stop7h 00m

Philadelphia

mar. 12/2

6:00 am-7:55 am

Nonstop1h 55m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 21 results
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Detroit-Philadelphia flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

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 October 24, 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 $44). Flying from Detroit to Philadelphia in July is currently the most expensive (average of $72). 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 octubre 30, 2025.

It’s typically best to fly out from Detroit to Philadelphia in the evening. Doing so could potentially save you 77% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 October 26, 2025.

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

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 octubre 30, 2025.
See what other customers who have flown with Southwest, Delta, and American Airlines 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.
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,998 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,035 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,116 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,122 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 32m on average. When it comes time to book airfare, you have a few options: there are 10 outbound flights from All airports to Philadelphia offered by 5 different airlines.

  • How long is the flight from Detroit to Philadelphia?

    A quick flight from Detroit to Philadelphia can take about 1h 41m. Delta provides one of the quickest options available for as low as $159. 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 $49 on this airline. Additional options worth looking into are Spirit Airlines and Delta, starting at $62 and $141 round-trip. Frontier is 79% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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: Frontier (100%), Republic Airways (100%), Aeromexico (95%).

  • What are the cheapest flights from Detroit to Philadelphia?

    Looking at all options, your cheapest flight can be booked for $66. While the most popular route (Detroit Metropolitan Wayne County - Philadelphia) can be booked for $104 on average, our data indicates $885 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, March is the cheapest month in which you can book a flight from Detroit to Philadelphia (average of $44). Flying from Detroit to Philadelphia in July is currently the most expensive (average of $72). 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
Pottstown
Reading
Ocean City
Cherry Hill
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
Newark
Millville
Chester
Exton
Havre de Grace

Browse thousands of different options on Cheapflights for your next trip

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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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Bay City to LaGuardia flights
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Flint to John F Kennedy Intl flights
Lansing to Reagan-National flights

Top 5 airlines flying from Detroit to Philadelphia

Discover the top 5 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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$49Average$121FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$62Average$134FlexibilityNo cancel feeOn-time65%
DeltaCheapest$141Average$321FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$177Average$302FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$216Average$343FlexibilityNo cancel feeOn-time63%

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