Philadelphia

$90+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — PHL
Jun 7 — Jun 141
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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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3. Compare prices and book

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Cheapflights Tip: The best prices from Detroit All airports to Philadelphia are usually found in February or July, booked 69 days in advance, depart on a Friday or Thursday and return on a Friday

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 May 8, 2026.

This Trip.com deal was found by Cheapflights users on 5/4. 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.
Thu 5/286:50 am
DTW
-
PHL
1 stop5h 35m
Frontier
Thu 6/44:25 pm
PHL
-
DTW
1 stop8h 13m
Frontier
Deal found 5/4$179
This Priceline deal was found by Cheapflights users on 5/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/41:59 pm
DTW
-
PHL
1 stop8h 11m
Frontier
Sun 6/74:25 pm
PHL
-
DTW
1 stop8h 13m
Frontier
Deal found 5/4$180
This Expedia deal was found by Cheapflights users on 5/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:05 am
DTW
-
PHL
1 stop21h 32m
Frontier
Fri 5/298:35 pm
PHL
-
DTW
1 stop16h 00m
Frontier
Deal found 5/3$185
This Trip.com deal was found by Cheapflights users on 5/4. 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.
Thu 6/46:50 am
DTW
-
PHL
1 stop5h 35m
Frontier
Mon 6/85:04 pm
PHL
-
DTW
1 stop18h 43m
Frontier
Deal found 5/4$186
This Frontier deal was found by Cheapflights users on 5/3. 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.
Wed 8/52:02 pm
DTW
-
PHL
Nonstop1h 33m
Frontier
Sat 8/88:25 am
PHL
-
DTW
Nonstop1h 39m
Frontier
Deal found 5/3$188
This Expedia deal was found by Cheapflights users on 5/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/238:52 am
DTW
-
PHL
1 stop30h 15m
Frontier
Wed 7/88:25 am
PHL
-
DTW
Nonstop1h 39m
Frontier
Deal found 5/7$189
This Frontier deal was found by Cheapflights users on 5/5. 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 7/216:44 pm
DTW
-
PHL
1 stop6h 25m
Frontier
Wed 7/224:30 pm
PHL
-
DTW
1 stop8h 10m
Frontier
Deal found 5/5$190
This Trip.com deal was found by Cheapflights users on 5/4. 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.
Sun 6/78:52 am
DTW
-
PHL
1 stop30h 24m
Frontier
Tue 6/96:30 am
PHL
-
DTW
1 stop11h 29m
Frontier
Deal found 5/4$191
This Super.com deal was found by Cheapflights users on 5/3. 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 5/318:52 am
DTW
-
PHL
1 stop30h 24m
Frontier
Wed 6/38:35 pm
PHL
-
DTW
1 stop16h 00m
Frontier
Deal found 5/3$192
This Orbitz deal was found by Cheapflights users on 5/6. 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.
Wed 7/292:02 pm
DTW
-
PHL
Nonstop1h 33m
Frontier
Sat 8/18:25 am
PHL
-
DTW
Nonstop1h 39m
Frontier
Deal found 5/6$198
This Expedia deal was found by Cheapflights users on 5/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:44 pm
DTW
-
PHL
1 stop20h 10m
Frontier
Tue 8/116:30 am
PHL
-
DTW
1 stop6h 35m
Frontier
Deal found 5/7$200

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 May 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$179
(Trip.com)

One-way from

$90
(Frontier)

Popular in

March

Cheapest in

February

Average price

$313

Good round-trip deal

$313 or less

Good one-way deal

$257 or less
Provider with most accurate pricing for Detroit (DTT)-Philadelphia flight deals.
Provider most trusted by Cheapflights users for Detroit (DTT)-Philadelphia flights.
From Detroit (DTT) to Philadelphia
One-way flight from Detroit (DTT) to Philadelphia
Highest demand for flights based on searches. 4% potential increase in price ($13 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from Detroit (DTT) to Philadelphia.
Price to beat on a one-way flight from Detroit (DTT) to Philadelphia.

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 May 8, 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

Sat 7/4

10:00 am-11:39 am

Nonstop1h 39m

Philadelphia

Sat 7/4

5:22 pm-7:09 pm

Nonstop1h 47m

$307

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Tue 6/23

1:25 pm-10:20 pm

2 stops8h 55m

Philadelphia

Wed 7/8

12:55 pm-10:10 pm

2 stops9h 15m

$337

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Thu 5/28

6:00 am-12:55 pm

1 stop6h 55m

Philadelphia

Sat 5/30

9:45 am-5:35 pm

2 stops7h 50m

$338

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Thu 6/11

9:35 pm-11:17 pm

Nonstop1h 42m

Philadelphia

Sun 6/14

8:08 pm-10:08 pm

Nonstop2h 00m

$339

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Wed 6/3

1:40 pm-10:00 pm

2 stops8h 20m

Philadelphia

Sat 6/6

7:55 am-8:05 pm

2 stops12h 10m

$343

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Sun 5/24

9:35 am-9:10 pm

2 stops11h 35m

Philadelphia

Fri 5/29

2:15 pm-10:10 pm

2 stops7h 55m

$343

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Wed 6/24

1:25 pm-10:20 pm

2 stops8h 55m

Philadelphia

Sat 6/27

2:50 pm-8:05 pm

1 stop5h 15m

$348
Quickest round-trip

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Mon 6/22

5:40 pm-7:20 pm

Nonstop1h 40m

Philadelphia

Thu 7/2

9:46 am-11:31 am

Nonstop1h 45m

$349

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Thu 7/30

1:25 pm-11:50 pm

2 stops10h 25m

Philadelphia

Wed 8/5

7:15 am-3:00 pm

2 stops7h 45m

$359

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Wed 8/5

3:35 pm-9:45 pm

2 stops6h 10m

Philadelphia

Sun 8/9

6:20 am-4:45 pm

2 stops10h 25m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
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 May.
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

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 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 May 8, 2026.

It’s typically best to fly out from Detroit to Philadelphia in the evening. Doing so could potentially save you 71% 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 May 2, 2026.

Travelers seeking maximum savings on their Detroit to Philadelphia flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday 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 May 8, 2026.

The most flights from DTT to PHL are scheduled on a Tuesday (25 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 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 May 8, 2026.
See what other customers who have flown with Delta,American Airlines, andSpirit 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.

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

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 23 outbound flights from All airports to Philadelphia offered by 4 different airlines.

  • How long is the flight from Detroit to Philadelphia?

    A quick flight from Detroit to Philadelphia can take about 1h 39m. Delta provides one of the quickest options available for as low as $307. 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 $57 on this airline. Additional options worth looking into are Spirit Airlines and Delta, starting at $77 and $160 round-trip. Frontier is 79% 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 $47. However, be on the lookout for offers from Spirit Airlines and Southwest, 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: Aeromexico (82%), PSA Airlines (81%), Aer Lingus (78%).

  • What are the cheapest flights from Detroit to Philadelphia?

    Looking at all options, your cheapest flight can be booked for $79. While the most popular route (Detroit Metropolitan Wayne County - Philadelphia) can be booked for $218 on average, our data indicates $408 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
Lewes
Dewey Beach
Pottstown
Vineland
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Chester
Newark

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.

Top 4 airlines flying from Detroit to Philadelphia

Discover the top 4 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 May 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$147FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$77Average$152FlexibilityNo cancel feeOn-time65%
DeltaCheapest$160Average$348FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$202Average$328FlexibilityNo cancel feeOn-time71%

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