HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Philadelphia

$72+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — PHL
may. 17 — may. 241
sáb. 5/17
sáb. 5/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

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 mayo 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$121
(Cheapflightsfares)

One-way from

$72
(FlightHub)

Popular in

March

Cheapest in

August

Average price

$259

Good round-trip deal

$277 or less

Good one-way deal

$181 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. 28% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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

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 mayo 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 5/12. 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.
lun. 6/239:48 amDTW - PHL
Nonstop1h 36mMultiple Airlines
jue. 6/266:00 amPHL - DTW
Nonstop1h 51mMultiple Airlines
Deal found 5/12$121
This Cheapflightsfares deal was found by Cheapflights users on 5/11. 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.
vie. 6/139:48 amDTW - PHL
Nonstop1h 36mSpirit Airlines
dom. 6/157:05 amPHL - DTW
Nonstop1h 48mSpirit Airlines
Deal found 5/11$122
This Cheapflightsfares deal was found by Cheapflights users on 5/11. 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.
dom. 8/108:46 amDTW - PHL
Nonstop1h 41mFrontier
lun. 8/256:20 amPHL - DTW
Nonstop1h 58mFrontier
Deal found 5/11$125
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/289:30 pmDTW - PHL
Nonstop1h 35mDelta
sáb. 5/316:00 amPHL - DTW
Nonstop1h 43mDelta
Deal found 5/11$247
This American Airlines deal was found by Cheapflights users on 5/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/146:42 pmDTW - PHL
Nonstop1h 38mAmerican Airlines
dom. 11/161:35 pmPHL - DTW
Nonstop1h 54mAmerican Airlines
Deal found 5/12$313

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 mayo 12, 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

lun. 6/23

9:48 am-11:24 am

Nonstop1h 36m

Philadelphia

jue. 6/26

6:00 am-7:51 am

Nonstop1h 51m

$121

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

vie. 6/13

9:48 am-11:24 am

Nonstop1h 36m

Philadelphia

dom. 6/15

7:05 am-8:53 am

Nonstop1h 48m

$122

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

dom. 8/10

8:46 am-10:27 am

Nonstop1h 41m

Philadelphia

lun. 8/25

6:20 am-8:18 am

Nonstop1h 58m

$125

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

mié. 5/28

9:30 pm-11:05 pm

Nonstop1h 35m

Philadelphia

sáb. 5/31

6:00 am-7:43 am

Nonstop1h 43m

$247

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

jue. 8/7

6:30 am-10:35 am

1 stop4h 05m

Philadelphia

dom. 8/10

5:30 am-1:45 pm

2 stops8h 15m

$331

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

lun. 7/7

9:48 am-11:24 am

Nonstop1h 36m

$72

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

mié. 5/28

4:27 pm-9:24 pm

1 stop4h 57m

$94

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

mar. 7/15

11:50 am-10:50 pm

2 stops11h 00m

$157

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

mié. 6/11

9:30 pm-11:10 pm

Nonstop1h 40m

$239

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

sáb. 7/12

8:50 am-5:37 am

2 stops20h 47m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 11 results
1
2

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*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Detroit-Philadelphia flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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 May 9, 2025.

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.

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 $236). Flying from Detroit to Philadelphia in March is currently the most expensive (average of $295). 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 mayo 12, 2025.

It’s typically best to fly out from Detroit to Philadelphia in the evening. Doing so could potentially save you 83% 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 5, 2025.

Travelers seeking maximum savings on their Detroit to Philadelphia flight should consider departing on Thursday 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 mayo 12, 2025.

The most flights from DTT to PHL are scheduled on a Monday (30 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (18 on average).

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 mayo 12, 2025.
Read reviews from past customers who have flown Southwest, Delta and United Airlines from Detroit to Philadelphia. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,290 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,290 reviews
Southwest
8.0
Very good
4,290 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,950 reviews
Southwest
8.0
Very good
4,290 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,724 reviews
Southwest
8.0
Very good
4,290 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,290 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Spirit Airlines
6.3
Okay
7,986 reviews
Southwest
8.0
Very good
4,290 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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 30m on average. When it comes time to book airfare, you have a few options: there are 25 outbound flights from All airports to Philadelphia offered by 5 different airlines.

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

    Our cheapest airline available from Detroit to Philadelphia is Spirit Airlines. Our recent data shows that you can find tickets from as low as $122 on this airline. Additional options worth looking into are Frontier and Delta, starting at $125 and $247 round-trip. Spirit Airlines is 35% 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 Spirit Airlines, with whom users have recently found tickets for as low as $72. However, be on the lookout for offers from Frontier 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: China Eastern (100%), Spirit Airlines (89%), SkyWest Airlines (89%).

  • What are the cheapest flights from Detroit to Philadelphia?

    Looking at all options, your cheapest flight can be booked for $54. While the most popular route (Detroit Metropolitan Wayne County - Philadelphia) can be booked for $97 on average our data indicates $1,046 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 $236). Flying from Detroit to Philadelphia in March is currently the most expensive (average of $295). 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 Detroit?

Book flights to Detroit if you plan to visit one of these locations
Vineland
Pottstown
Wildwood
Reading
King of Prussia
Cherry Hill
Exton
Ocean City
Essington
Chester
Middletown
Willow Grove
Newark
Millville
Dover
Ephrata
Camden
Dewey Beach
Glen Mills
Springfield

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.
O'Hare Intl to John F Kennedy Intl flights
O'Hare Intl to LaGuardia flights
O'Hare Intl to Newark flights
Midway to Newark flights
Midway to John F Kennedy Intl flights
O'Hare Intl to Philadelphia flights
O'Hare Intl to Reagan-National flights
Detroit to John F Kennedy Intl flights
Midway to LaGuardia flights
O'Hare Intl to Dulles Intl flights
Detroit to Newark flights
Detroit to LaGuardia flights
Detroit to Dulles Intl flights
Detroit to Reagan-National flights
Midway to Dulles Intl flights
Grand Rapids to Newark flights
Midway to Philadelphia flights
Detroit to Philadelphia flights
Grand Rapids to LaGuardia flights
Grand Rapids to John F Kennedy Intl flights
O'Hare Intl to Pittsburgh flights
Midway to Reagan-National flights
Grand Rapids to Dulles Intl flights
Grand Rapids to Philadelphia flights
Grand Rapids to Reagan-National flights
O'Hare Intl to Harrisburg flights
Traverse City to LaGuardia flights
South Bend to Dulles Intl flights
South Bend to John F Kennedy Intl flights
O'Hare Intl to State College flights
Midway to Pittsburgh flights
O'Hare Intl to Scranton flights
Traverse City to John F Kennedy Intl flights
O'Hare Intl to Allentown flights
Traverse City to Newark flights
Flint to Newark flights
Detroit to Pittsburgh flights
South Bend to Newark flights
South Bend to LaGuardia flights
Midway to Harrisburg flights
Lansing to Reagan-National flights
Bay City to Dulles Intl flights
Traverse City to Dulles Intl flights
Traverse City to Philadelphia flights
Flint to LaGuardia flights
Bay City to Reagan-National flights
Kalamazoo to Newark flights
Lansing to Newark flights
Detroit to Harrisburg flights
Flint to Reagan-National flights

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 mayo 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$39Average$103FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$40Average$110FlexibilityNo cancel feeOn-time65%
DeltaCheapest$119Average$265FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$136Average$242FlexibilityNo cancel feeOn-time71%

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.