Popular airlines from Detroit Metropolitan Wayne County Airport (DTW) to Philadelphia Intl. Airport (PHL)

Today's featured flight deals from Detroit Metropolitan Wayne County Airport (DTW) to Philadelphia Intl. Airport (PHL)

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Cheap Flights from Detroit to Philadelphia (DTW-PHL)

Prices were available within the past 7 days and start at $37 for one-way flights and $64 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Spirit Airlines
Delta
United
Southwest Airlines

Find the cheapest month to fly from Detroit (DTW) to Philadelphia (PHL)

February is typically the cheapest month to fly

From $52 - $297 per traveler.

Alternative airports near Philadelphia

Prices were available within the past 7 days. Prices and availability are subject to change.

Detroit to Philadelphia Flights

The cheapest times to fly from Detroit to Philadelphia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Detroit to Philadelphia are during the month of December. You can find some of the cheapest flights from Detroit to Philadelphia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Detroit to Philadelphia

Sunday is one of the best days to book for cheap flights from Detroit to Philadelphia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Detroit to Philadelphia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Detroit to Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $37 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Detroit to Philadelphia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Detroit to Philadelphia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Detroit Metropolitan Wayne County Airport (DTW) to Philadelphia Intl. Airport (PHL) cost?
Grab a cheap one-way flight from $37 or cheap return flight from $64 from Detroit Metropolitan Wayne County Airport (DTW) to Philadelphia Intl. Airport (PHL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Detroit Metropolitan Wayne County Airport (DTW) to Philadelphia Intl. Airport (PHL)?
The cheapest month to fly from DTW to PHL is December, when demand is low. Off-peak months are usually when airlines offer better prices between these airports.
Which airlines fly direct from Detroit Metropolitan Wayne County Airport (DTW) to Philadelphia Intl. Airport (PHL)?
Select from 3 airlines that operate direct flights from Detroit Metropolitan Wayne County Airport (DTW) to Philadelphia Intl. Airport (PHL). Including:

  • Delta Air Lines
  • American Airlines
  • Spirit Airlines

What is the cheapest airline that flies from Detroit Metropolitan Wayne County Airport (DTW) to Philadelphia Intl. Airport (PHL)?
The cheapest airline to offer flights between Detroit Metropolitan Wayne County Airport (DTW) and Philadelphia Intl. Airport (PHL) can vary based on your travel dates. Spirit Airlines and American Airlines are just some of your options offering well-priced fares. Use Expedia's filters to compare airlines in one place and find the right DTW to PHL flight that fits your budget.
How many flights per day from Detroit Metropolitan Wayne County Airport (DTW) to Philadelphia Intl. Airport (PHL)?
When taking off from Detroit Metropolitan Wayne County Airport (DTW), you can pick from an average of 7 daily direct flights to Philadelphia Intl. Airport (PHL).
What are the most popular departure times for flights from Detroit Metropolitan Wayne County Airport (DTW) to Philadelphia Intl. Airport (PHL)?
More travelers fly between DTW and PHL at 9 PM than at any other point in the day. Prefer a quieter experience? Try choosing a quieter departure window and it's possible you'll save on your ticket as well.
What day of the week has the most flights from DTW to PHL?
Fly on a Monday if you're searching for the biggest selection of flights from Detroit Metropolitan Wayne County Airport (DTW) to Philadelphia Intl. Airport (PHL).
What is the earliest flight from Detroit Metropolitan Wayne County Airport (DTW) to Philadelphia Intl. Airport (PHL)?
Detroit Metropolitan Wayne County Airport (DTW)'s earliest flight to Philadelphia Intl. Airport (PHL) departs at approximately 7:00AM UTC-5. With a total flight time of 1h 48m, you'll touch down at around 8:48AM UTC-5.
How long does it take to fly from Detroit Metropolitan Wayne County Airport (DTW) to Philadelphia Intl. Airport (PHL)?
The average flight duration from DTW to PHL is 1 hour and 42 minutes, covering a total distance of 450 mi.
What airline has the least delays from DTW to PHL?
Consider booking with Aeromexico if you'd like to go straight from Detroit Metropolitan Wayne County Airport (DTW) to Philadelphia Intl. Airport (PHL) without any delays. This airline has the best track record for punctuality, with an on-time performance of 81%. Want to be updated if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Detroit Metropolitan Wayne County Airport (DTW) to Philadelphia Intl. Airport (PHL)?
Select a flight from Detroit Metropolitan Wayne County Airport (DTW) to Philadelphia Intl. Airport (PHL) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Philadelphia from Detroit Metropolitan Wayne County Airport (DTW)?
You'll arrive at Philadelphia Intl. Airport (PHL) or Atlantic City Intl. Airport (ACY) when you travel to Philadelphia on a direct flight from Detroit Metropolitan Wayne County Airport (DTW).
Is it cheaper to buy a plane ticket from Detroit Metropolitan Wayne County Airport (DTW) to Philadelphia Intl. Airport (PHL) last-minute?
Booking your flight from DTW to PHL just before your getaway is generally more expensive. But if there's some wiggle room with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a DTW to PHL flight and hotel package?
You can save money by booking a DTW to PHL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your preferred flights and accommodations, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from Detroit Metropolitan Wayne County Airport (DTW) to Philadelphia Intl. Airport (PHL)?
Typically, it's possible to reschedule or cancel your DTW to PHL flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.