What is the cheapest airline that flies from Philadelphia to Detroit?

Frontier and Southwest are the most popular carriers operating from Philadelphia to Detroit

How many flights depart from Philadelphia to Detroit on average per day?

The number of flights available between Philadelphia and Detroit is 23 per day as of April 2026. The most frequent departure time is 10:00PM, with 36% of daily flights leaving in the afternoon.

How many flights depart from Philadelphia to Detroit on average per week?

The number of flights available between Philadelphia and Detroit is 166 per week as of April 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

What airlines fly to Detroit?

Spirit Airlines, Delta and American Airlines are the top three most popular airlines that fly to Detroit from Philadelphia according to our data. Spirit Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Detroit. Keep in mind that there are 6 different airlines that fly to Detroit on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Philadelphia Airport to Detroit?

Prices for flights from Philadelphia Airport to Detroit were last updated today.

How many operators does momondo search for flights from Philadelphia Airport to Detroit?

There are 4 operators available for flights from Philadelphia Airport to Detroit as of April 2026.

How old do you have to be to fly from Philadelphia Airport to Detroit?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to Detroit.

What documentation or ID do you need to fly to Detroit?

The required travel and health documents for your Detroit trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Detroit. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$49 Cheap Flights from Philadelphia to Detroit in 2026

Q: What is the typical price of a round-trip flight between Philadelphia and Detroit?

Prices are currently low for flights on this route. Typical prices usually range from $373 to $180. The lowest price recently found on this route was $133.

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Find the cheapest flights from Philadelphia to Detroit

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:37 pm - 5:16 pm

PHL

DTW

1h 39mnonstop

6:11 pm - 7:49 pm

DTW

PHL

1h 38mnonstop

$133Spirit Airlines

Fri, May 8 - Sun, May 10

8:35 pm - 12:35 pm

PHL

DTW

16h 00m

1 stop

6:11 pm - 7:49 pm

DTW

PHL

1h 38mnonstop

$135Multiple Airlines

Wed, May 6 - Sun, May 10

8:35 pm - 11:59 pm

PHL

DTW

27h 24m

1 stop

6:11 pm - 7:49 pm

DTW

PHL

1h 38mnonstop

$136Multiple Airlines

Fri, May 8 - Mon, May 11

8:20 pm - 10:05 pm

PHL

DTW

1h 45mnonstop

1:27 pm - 3:18 pm

DTW

PHL

1h 51mnonstop

$138Spirit Airlines

Mon, Aug 17 - Fri, Aug 21

8:35 pm - 12:35 pm

PHL

DTW

16h 00m

1 stop

12:40 pm - 12:44 am

DTW

PHL

12h 04m

1 stop

$140Frontier

Thu, May 7 - Sat, May 9

3:37 pm - 5:16 pm

PHL

DTW

1h 39mnonstop

8:25 pm - 9:25 am

DTW

PHL

13h 00m

1 stop

$141Spirit Airlines

Thu, May 28 - Sat, May 30

8:35 pm - 12:35 pm

PHL

DTW

16h 00m

1 stop

6:57 pm - 1:06 am

DTW

PHL

6h 09m

1 stop

$142Frontier

Thu, May 7 - Sun, May 10

6:45 am - 5:20 pm

PHL

DTW

34h 35m

2 stops

6:11 pm - 7:49 pm

DTW

PHL

1h 38mnonstop

$143Multiple Airlines

Tue, May 5 - Sun, May 10

3:37 pm - 5:16 pm

PHL

DTW

1h 39mnonstop

6:11 pm - 7:49 pm

DTW

PHL

1h 38mnonstop

$144Spirit Airlines

Thu, May 28 - Thu, Jun 4

3:37 pm - 5:16 pm

PHL

DTW

1h 39mnonstop

1:59 pm - 10:10 pm

DTW

PHL

8h 11m

1 stop

$145Multiple Airlines

Thu, May 21 - Thu, Jun 4

Frontier flights from Philadelphia to Detroit

Our best Frontier deals on Philadelphia to Detroit flight tickets

Frontier

May 7

PHL8:35 pmPhiladelphia

16h 00m

1 stop

DTW12:35 pmDetroit Metropolitan Wayne County

May 9

DTW12:40 pmDetroit Metropolitan Wayne County

12h 04m

1 stop

PHL12:44 amPhiladelphia

$140

Frontier

May 7

PHL8:35 pmPhiladelphia

16h 00m

1 stop

DTW12:35 pmDetroit Metropolitan Wayne County

May 10

DTW6:57 pmDetroit Metropolitan Wayne County

6h 09m

1 stop

PHL1:06 amPhiladelphia

$142

Frontier

May 22

PHL8:35 pmPhiladelphia

27h 24m

1 stop

DTW11:59 pmDetroit Metropolitan Wayne County

May 25

DTW8:52 amDetroit Metropolitan Wayne County

9h 24m

1 stop

PHL6:16 pmPhiladelphia

$151

Spirit Airlines flights from Philadelphia to Detroit

Our best Spirit Airlines deals on Philadelphia to Detroit flight tickets

Spirit Airlines

May 8

PHL3:37 pmPhiladelphia

1h 39m

DTW5:16 pmDetroit Metropolitan Wayne County

May 10

DTW6:11 pmDetroit Metropolitan Wayne County

1h 38m

PHL7:49 pmPhiladelphia

$133

Spirit Airlines

Aug 17

PHL8:20 pmPhiladelphia

1h 45m

DTW10:05 pmDetroit Metropolitan Wayne County

Aug 21

DTW1:27 pmDetroit Metropolitan Wayne County

1h 51m

PHL3:18 pmPhiladelphia

$138

Spirit Airlines

May 28

PHL3:37 pmPhiladelphia

1h 39m

DTW5:16 pmDetroit Metropolitan Wayne County

May 30

DTW8:25 pmDetroit Metropolitan Wayne County

13h 00m

1 stop

PHL9:25 amPhiladelphia

$141

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Fri 5/8

3:37 pm-5:16 pm

Nonstop1h 39m

Detroit Metropolitan Wayne County

Sun 5/10

6:11 pm-7:49 pm

Nonstop1h 38m

$133

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Wed 5/6

8:35 pm-12:35 pm

1 stop16h 00m

Detroit Metropolitan Wayne County

Sun 5/10

6:11 pm-7:49 pm

Nonstop1h 38m

$135

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Fri 5/8

8:35 pm-11:59 pm

1 stop27h 24m

Detroit Metropolitan Wayne County

Mon 5/11

6:11 pm-7:49 pm

Nonstop1h 38m

$136

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Mon 8/17

8:20 pm-10:05 pm

Nonstop1h 45m

Detroit Metropolitan Wayne County

Fri 8/21

1:27 pm-3:18 pm

Nonstop1h 51m

$138

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Thu 5/7

8:35 pm-12:35 pm

1 stop16h 00m

Detroit Metropolitan Wayne County

Sat 5/9

12:40 pm-12:44 am

1 stop12h 04m

$140

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Thu 5/28

3:37 pm-5:16 pm

Nonstop1h 39m

Detroit Metropolitan Wayne County

Sat 5/30

8:25 pm-9:25 am

1 stop13h 00m

$141

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Thu 5/7

8:35 pm-12:35 pm

1 stop16h 00m

Detroit Metropolitan Wayne County

Sun 5/10

6:57 pm-1:06 am

1 stop6h 09m

$142

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Tue 5/5

6:45 am-5:20 pm

2 stops34h 35m

Detroit Metropolitan Wayne County

Sun 5/10

6:11 pm-7:49 pm

Nonstop1h 38m

$143

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Thu 5/28

3:37 pm-5:16 pm

Nonstop1h 39m

Detroit Metropolitan Wayne County

Thu 6/4

6:11 pm-7:49 pm

Nonstop1h 38m

$144

PhiladelphiaDetroit

PHL - DTW

PHLDTW

Philadelphia

Thu 5/21

3:37 pm-5:16 pm

Nonstop1h 39m

Detroit Metropolitan Wayne County

Thu 6/4

1:59 pm-10:10 pm

1 stop8h 11m

$145

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Philadelphia to Detroit

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Philadelphia and Detroit?

What is the cheapest month to fly to Detroit?

The cheapest month to fly to Detroit from Philadelphia is in August. Flight prices, which tend to average around $191, are often lower during this time because this is during the off-season. If you’re not able to fly to Detroit in August, then January is your next best option. Flight prices from Philadelphia to Detroit during January average around $199.

What is the cheapest day to depart on your flight to Detroit?

On average, the least expensive day to fly to Detroit from Philadelphia is on a Friday. momondo users have found tickets for Friday departures for as low as $329. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Detroit for around $522.

What is the cheapest time of day to depart on your flight to Detroit?

At noon is the cheapest time of day to fly from Philadelphia to Detroit when you can find flight prices for as low as $334. Flying to Detroit at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $410 on average. Flights to Detroit from Philadelphia in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Philadelphia to Detroit flight route?

Fly from Philadelphia to Detroit Metropolitan Wayne County for the best Philadelphia - Detroit flight prices

How far in advance should I book a flight to Detroit?

You are more likely to see cheaper flights to Detroit from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Detroit for around $291 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Detroit from Philadelphia for as low as $231 on momondo.

What cabin class options are available on Philadelphia to Detroit flights?

There are 4 cabin classes available to choose from on Philadelphia to Detroit flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Philadelphia to Detroit flights?

No. A direct flight is the cheapest option for a flight between Philadelphia to Detroit.

How have Philadelphia to Detroit flight prices changed over time?

As of April 2026, prices for Philadelphia to Detroit flights are approximately 377% more expensive when compared to flights at the same time last year.

When to book flights from Philadelphia to Detroit

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Detroit according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Philadelphia to Detroit (PHL to DTT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Detroit

Best Price Found	$241
Fastest flight time	1h 39m
Direct flights	Mon, Tue, Thu, Fri, Sat and Sun
Airports in Detroit	1 airport

The best one-way flight to Detroit from Philadelphia in the past 72 hours is $241. The best round-trip flight deal from Philadelphia to Detroit found on momondo in the last 72 hours is $311.

The fastest flight from Philadelphia to Detroit takes 1h 39m

Direct flights go from Philadelphia to Detroit on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is Delta.

There is 1 airport in Detroit. From Philadelphia there are direct flights to Detroit Metropolitan Wayne County (DTW).

Search flight deals

Frequently asked questions about flying from Philadelphia to Detroit

How far is Philadelphia to Detroit by plane?
Detroit is 442.2 mi away from Philadelphia. Typically, this will take 1h 39m by plane in normal conditions.
When did momondo last update prices for flights from Philadelphia Airport to Detroit?
Prices for flights from Philadelphia Airport to Detroit were last updated today.
How many operators does momondo search for flights from Philadelphia Airport to Detroit?
There are 4 operators available for flights from Philadelphia Airport to Detroit as of April 2026.
How old do you have to be to fly from Philadelphia Airport to Detroit?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to Detroit.
What documentation or ID do you need to fly to Detroit?
The required travel and health documents for your Detroit trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Detroit. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Philadelphia to Detroit?
momondo data reveals that the most frequently booked plane model on the route from Philadelphia to Detroit is Canadair (Bombardier) Regional Jet 900, representing 30.33% of all bookings. The subsequent popular models are Boeing 717-200 at 21.32%, Airbus A321neo at 7.98%, and Canadair (Bombardier) Regional Jet 700 at 6.65%.
What is the most popular airline from Philadelphia to Detroit?
momondo data reveals that the most frequently booked airline on the route from Philadelphia to Detroit is Delta, representing 39% of all bookings. The subsequent popular airlines are American Airlines at 28%, Spirit Airlines at 23%, and Frontier at 8%.

Best airlines flying from Philadelphia to Detroit

Compare and see reviews for airlines that fly from Philadelphia to Detroit with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $78	Free Cancellation	Rating 5.7 2,986 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $82	Free Cancellation	Rating 6.3 8,618 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $195	Free Cancellation	Rating 7.1 11,593 reviews	Search American Airlines flights
Delta	PriceFrom $209	Free Cancellation	Rating 7.9 8,406 reviews	Search Delta flights

Delta Flights From Philadelphia to Detroit
Delta flight deals from Philadelphia to Detroit start from $209 round-trip. Over the 30 Delta flights for this route in a normal week, average airfare is usually $347 round-trip - but some users have found much cheaper deals with momondo.
American Airlines Flights From Philadelphia to Detroit
American Airlines (7.1/10 from 11,593 reviews) operates around 20 flights from Philadelphia to Detroit in any given week. The average American Airlines airfare for this route is around $326, with deals from around $195 rare but found on momondo. Referenced prices are for round-trip Philadelphia to Detroit flight searches in the last 72 hours.

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Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Detroit?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Detroit from Philadelphia.

Can I find flights from Philadelphia to Detroit with flexible booking policies on momondo?

All flight searches from Philadelphia to Detroit on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Philadelphia to Detroit?

momondo helps you find the best flight between Philadelphia and Detroit by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Philadelphia to Detroit right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Philadelphia to Detroit flights. All you need is a valid email address and we will do the rest; it is that quick and easy.