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$50+ Cheap flights from Philadelphia to Detroit (PHL - DTT)

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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — DTT
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Detroit All airports are usually found in August or January, booked 55 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap flight deals from Philadelphia to Detroit

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Detroit (DTT). 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 julio 30, 2025.

Round-trip from

$97
(Cheapflightsfares)

One-way from

$50
(Booking.com)

Popular in

June

Cheapest in

August

Average price

$211

Good round-trip deal

$173 or less

Good one-way deal

$89 or less
From Philadelphia to Detroit (DTT)
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One-way flight from Philadelphia to Detroit (DTT)
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Highest demand for flights based on searches. 23% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Philadelphia to Detroit (DTT).
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Price to beat on a one-way flight from Philadelphia to Detroit (DTT).
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Find flight deals from Philadelphia to Detroit

Cheapest flights from Philadelphia to Detroit
Explore the most affordable flight options available from Philadelphia to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 30, 2025.

This Mytrip deal was found by Cheapflights users on 7/30. 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.
mié. 8/207:00 amPHL - DTW
Nonstop1h 40mSpirit Airlines
vie. 8/227:10 pmDTW - PHL
Nonstop1h 39mSpirit Airlines
Deal found 7/30$97
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
lun. 9/16:20 amPHL - DTW
Nonstop1h 49mMultiple Airlines
jue. 9/47:54 pmDTW - PHL
Nonstop1h 45mMultiple Airlines
Deal found 7/30$104
This Frontier deal was found by Cheapflights users on 7/30. 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.
dom. 8/106:00 amPHL - DTW
Nonstop1h 49mFrontier
dom. 8/178:44 amDTW - PHL
Nonstop1h 41mFrontier
Deal found 7/30$107

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Detroit 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 julio 30, 2025.
Use the filters below to find and compare flights from Philadelphia to Detroit that are best for you.

Fly from

Philadelphia

Fly to

Detroit

Route

Depart

Return

Price

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

mié. 8/20

7:00 am-8:40 am

Nonstop1h 40m

Detroit Metropolitan Wayne County

vie. 8/22

7:10 pm-8:49 pm

Nonstop1h 39m

$97

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

lun. 9/1

6:20 am-8:09 am

Nonstop1h 49m

Detroit Metropolitan Wayne County

jue. 9/4

7:54 pm-9:39 pm

Nonstop1h 45m

$104

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

dom. 8/10

6:00 am-7:49 am

Nonstop1h 49m

Detroit Metropolitan Wayne County

dom. 8/17

8:44 am-10:25 am

Nonstop1h 41m

$107

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

sáb. 9/13

6:35 am-8:26 am

Nonstop1h 51m

$50

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

jue. 8/14

6:00 am-7:49 am

Nonstop1h 49m

$55

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Philadelphia to Detroit

Have a flexible travel schedule? Discover the best time to fly to Detroit from Philadelphia 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 Philadelphia to Detroit

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

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Detroit. Price data was last updated on July 25, 2025.

The price you pay for your flight from Philadelphia to Detroit may vary depending on when you book. For the best chance of a lower fare, look to book 55 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, April is the cheapest month in which you can book a flight from Philadelphia to Detroit (average of $257). Flying from Philadelphia to Detroit in March is currently the most expensive (average of $305). 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 PHL to DTT?

Find hourly flight availability from Philadelphia to Detroit. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 30, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 22% on flights from Philadelphia to Detroit by exploring options for tickets at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Detroit. Price data was last updated on July 27, 2025.

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

Weekly flight availability from Philadelphia to Detroit

Explore weekly flight availability from Philadelphia to Detroit. 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 julio 30, 2025.

The most flights from PHL to DTT are scheduled on a Wednesday (28 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

Reviews of airlines servicing Detroit

Get insights into the airlines that provide service to Detroit. 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 Detroit. Reviews last updated julio 30, 2025.
Read through reviews of airlines operating flights from Philadelphia to Detroit, such as Spirit Airlines and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Spirit Airlines
6.3
Okay
8,048 reviews

Overall

6.3

Entertainment

5.0

Comfort

5.9

Crew

7.0

Boarding

6.6

Food

5.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

LAS - DTW

Was the most uncomfortable seat I have ever sat in on an airplane
Spirit Airlines
6.3
Okay
8,048 reviews
Spirit Airlines
6.3
Okay
8,048 reviews

Overall

6.3

Entertainment

5.0

Comfort

5.9

Crew

7.0

Boarding

6.6

Food

5.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

LAS - DTW

Was the most uncomfortable seat I have ever sat in on an airplane
Frontier
5.9
Fair
3,237 reviews
Spirit Airlines
6.3
Okay
8,048 reviews

Overall

6.3

Entertainment

5.0

Comfort

5.9

Crew

7.0

Boarding

6.6

Food

5.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

LAS - DTW

Was the most uncomfortable seat I have ever sat in on an airplane

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Detroit. 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 Philadelphia to Detroit?

    If you book a flight from Philadelphia to Detroit, you will be flying from Philadelphia to All airports. Flights to Detroit All airports (DTT) from Philadelphia (PHL) take 1h 40m for a nonstop flight. There are 17 flights from Philadelphia to Detroit per day from 4 airlines.

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

    According to our current data, Spirit Airlines ($97), and Frontier ($107) offers the cheapest pricing from Philadelphia to Detroit. Spirit Airlines is currently priced 55% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Philadelphia to Detroit?

    Consider Korean Air (96%), SkyWest Airlines (92%) or WestJet (91%) when booking your flight. These represent the most reliable airlines when flying from Philadelphia to Detroit.

  • What are the cheapest flights from Philadelphia to Detroit?

    The cheapest flight price from Philadelphia to Detroit is $52. On average you can expect to pay $1,396. The most popular route, (Philadelphia - Detroit Metropolitan Wayne County), can usually be booked for $77.

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

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

  • How can I find direct flights from Philadelphia to Detroit?

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

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

    Yes. Cheapflights offers flight deals from Philadelphia to Detroit 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 Philadelphia to Detroit?

    Currently, April is the cheapest month in which you can book a flight from Philadelphia to Detroit (average of $257). Flying from Philadelphia to Detroit in March is currently the most expensive (average of $305). 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
Roseville
Port Huron

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Alternative routes for Philadelphia to Detroit

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Philadelphia to Detroit

Discover the top 4 airlines that operate flights from Philadelphia to Detroit. 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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$121FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$52Average$126FlexibilityNo cancel feeOn-time65%
DeltaCheapest$139Average$301FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$148Average$288FlexibilityNo cancel feeOn-time71%

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