What percentage of Philadelphia to Detroit flights are direct?

In the trailing 90 days, approximately 47.8% of flights from Philadelphia to Detroit have historically been direct. For journeys that include stopovers, the median number of stopovers observed is 2. This indicates that nearly half of the available options typically offer a direct route.

What's the flight time from Philadelphia to Detroit?

The typical direct flight time from Philadelphia to Detroit is 1 hour and 39 minutes, covering a distance of 728 kilometers. For flights with one stop, the median duration historically extends to 6 hours and 37 minutes. This represents a significant difference in travel time between direct and one-stop options.

Should I set a price alert for Philadelphia to Detroit flights?

Historically, deals for flights from Philadelphia to Detroit are classified as frequent. This suggests that price fluctuations and opportunities for savings occur regularly. Setting a price alert could be beneficial to capture a good deal as they appear, based on observations over the trailing 30 days.

Flights From Philadelphia

To Detroit

Cheap Flights from Philadelphia to Detroit

Browse current best options from Philadelphia. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Philadelphia

RatePunk searches hundreds of travel sites at once for deals on flights to Detroit

Prices updated 1 day ago

461 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 14, 2026.)

Today’s best flight deals from Philadelphia to Detroit

Explore current cheapest deals departing from Philadelphia to Detroit

2026-10-12 – 2026-10-19
PHL - Detroit
68% AI deal score
$100
$73
Round trip
2026-10-08 – 2026-10-26
PHL - Detroit
45% AI deal score
$85
$73
Round trip
2026-10-08 – 2026-10-15
PHL - Detroit
45% AI deal score
$100
$86
Round trip
2026-10-26 – 2026-10-29
PHL - Detroit
46% AI deal score
$105
$86
Round trip
2026-10-09 – 2026-10-23
PHL - Detroit
40% AI deal score
$88
$89
Round trip
2026-10-26 – 2026-10-30
PHL - Detroit
44% AI deal score
$105
$91
Round trip
2026-10-08 – 2026-10-12
PHL - Detroit
44% AI deal score
$106
$93
Round trip
2026-11-12 – 2026-11-15
PHL - Detroit
42% AI deal score
$104
$100
Round trip
2026-11-13 – 2026-11-15
PHL - Detroit
42% AI deal score
$104
$100
Round trip
2026-10-19 – 2026-10-26
PHL - Detroit
40% AI deal score
$100
$102
Round trip

Philadelphia to Detroit: Overview

Insights for flights from Philadelphia to Detroit

For cheap flights from Philadelphia to Detroit, a meaningful share of itineraries are non-stop, with 47.8% of recent fares being direct. The remaining itineraries typically include 2 connections. This mix offers travelers flexibility in choosing between direct convenience and potentially more budget-friendly connecting options.

Right now, fares to Detroit from Philadelphia typically range from $188–$540, with a median of $246. Currently, prices are significantly below the typical level, which can present a good opportunity for travelers. Only 1% of recent fares were classified as a good price, indicating that finding exceptional deals might require careful timing.

When is the cheapest time to fly from Philadelphia to Detroit? Historically, the most affordable months to fly are April, with a median fare of $104, followed by June and May, both showing median fares of $109. These months offer significantly lower prices compared to the overall median, making them ideal for budget-conscious travelers.

A typical journey from Philadelphia to Detroit takes about 1h 39m, including connections. For non-stop flights, the median duration is also 1h 39m, while connecting flights have a significantly longer median duration of 6h 44m. This difference highlights the time-saving benefit of choosing a direct route when available.

The distance between Philadelphia and Detroit is 728 kilometers. This classifies the route as a short-haul flight, meaning you can expect a relatively quick travel time. New deals for this route appear almost daily, so setting up a price alert can help you catch favorable fares as they emerge.

How much is a round trip from Philadelphia to Detroit

Regular price: $69 - $247

Prices are currently within the regular range.

The regular price range for flights from Philadelphia to Detroit is between $69 and $247. The current lowest deal is $83 with Frontier Airlines, for travel from Oct 8-Oct 26.

now $83

Low $69

High $247

The cheapest time to fly from Philadelphia to Detroit

The cheapest month to fly from Philadelphia to Detroit is June, with a median price of $137. The most expensive month is July, with a median price of $528. Prices are generally lower from May to November.

June

Cheapest

Flights from $137

July

Most Expensive

Flights from $528

Jan

Feb

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Philadelphia to Detroit

Frontier Airlines

Last-minute flights going from Philadelphia to Detroit

Tue, Sep 22

⌛ Last-Minute

PHL - Detroit

Philadelphia (PHL) - Detroit (DTW)

Frontier Airlines

$258

$239

One-way

Mon, Sep 28

⌛ Last-Minute

TTN - Detroit

Trenton (TTN) - Detroit (DTW)

Frontier Airlines

$344

$269

One-way

Fri, Oct 2

⌛ Last-Minute

TTN - Detroit

Trenton (TTN) - Detroit (DTW)

Frontier Airlines

$319

$199

One-way

Sat, Oct 3

⌛ Last-Minute

PHL - Detroit

Philadelphia (PHL) - Detroit (DTW)

Frontier Airlines

$210

$145

One-way

Sun, Oct 4

⌛ Last-Minute

PHL - Detroit

Philadelphia (PHL) - Detroit (DTW)

Frontier Airlines

$210

$166

One-way

Mon, Oct 5

⌛ Last-Minute

PHL - Detroit

Philadelphia (PHL) - Detroit (DTW)

Frontier Airlines

$210

$179

One-way

Biggest price drops on these dates for flights from Philadelphia to Detroit

1 night

Sep 19 - Sep 20

$526 → $379

28%

4 nights

Oct 15 - Oct 19

$323 → $198

39%

2 nights

Sep 17 - Sep 19

$525 → $400

24%

2 nights

Sep 19 - Sep 21

$525 → $400

24%

Popular Airports to fly from Philadelphia to Detroit

Philadelphia - Detroit route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Philadelphia to Detroit are below the typical level at $83.

📅 Best time to fly

April, June, and May are cheapest

Historically, April ($104), June ($109), and May ($109) are the cheapest months to fly.

⏱️ Flight duration

Direct flights average 1h 39m

Direct flights to Detroit typically take 1h 39m, while connecting flights average 6h 44m.

✈️ Airlines & availability

Direct flights are available

47.8% of recent flights from Philadelphia to Detroit are direct.

🏆 Airline highlight

Frontier Airlines offers direct flights

Frontier Airlines has 1 direct deal available for this route.

🎯 Booking tip

Deals appear frequently

Deals on flights from Philadelphia to Detroit appear frequently.

Philadelphia main airports to depart from

Philadelphia International (PHL)

Cheapest

Fly from Philadelphia International for convenient access to flights from Philadelphia to Detroit.

📍 ~11 km from city center (reachable by car or train)

💸 Flights from ~$156

Detroit main airports to arrive at

Detroit Metropolitan (DTW)

Cheapest

Detroit Metropolitan Airport is a convenient arrival option for flights from Philadelphia to Detroit.

📍 ~29 km from Detroit (reachable by car)

💸 Flights from ~$156

Airports nearby Detroit used as alternative

Bishop International (FNT)

Bishop International (FNT) can be a useful alternative to avoid congestion and higher parking costs at Detroit Metropolitan.

📍 ~95 km from Detroit (reachable by car)

💸 Flights from ~$236

Business & First Class Flight Deals to Detroit

72% AI deal score

$898

$669

Save $229

United Airlines

Business Class

From PHL

Elite

Oct 17

Detroit, United States

72% AI deal score

$899

$669

Save $230

United Airlines

Business Class

From PHL

Detroit, United States

65% AI deal score

$3,440

$2,360

Save $1,080

Aeroméxico, +1

Business Class

From PHL

Elite

Dec 07

Detroit, United States

65% AI deal score

$3,482

$2,366

Save $1,116

Aeroméxico, +1

Business Class

From PHL

Elite

Oct 29

Detroit, United States

65% AI deal score

$3,062

$2,386

Save $676

Alaska Airlines, Inc.

Business Class

From PHL

Elite

Oct 25

Detroit, United States

65% AI deal score

$3,069

$2,386

Save $683

Alaska Airlines, Inc.

Business Class

Frequently Asked Questions About Flights to Detroit

Historically, the best prices for flights from Philadelphia to Detroit are found when booking 14-27 days in advance. During this period, the average price is typically around $133. Booking 7-13 days out sees an average price of $256, while booking 0-6 days before departure can result in an average price of $235. For travelers planning further ahead, flights booked 60+ days in advance average $182.

Across the trailing quarter, a good price for a flight from Philadelphia to Detroit is considered to be $188 or less. The median price for this route historically stands at $246. Prices can vary, with 75% of deals observed being $540 or less over the trailing 90 days.

Historically, the cheapest months to fly from Philadelphia to Detroit include April, June, and May, with median prices of $104, $109, and $109 respectively. While June appears in the cheapest months, it was also observed as the most expensive month with a median price of $109. The annual median price for this route is typically $246, based on data from the trailing 270 days.

Related routes

More routes from Philadelphia

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Flights to Detroit from other cities

Flights from Amsterdam to Detroit Flights from Athens to Detroit Flights from Atlanta to Detroit Flights from Austin to Detroit Flights from Birmingham to Detroit Flights from Phoenix to Detroit Flights from Raleigh to Detroit Flights from Seattle to Detroit Flights from Singapore to Detroit Flights from Tampa to Detroit Flights from Tokyo to Detroit Flights from Venice to Detroit

Philadelphia to Detroit: Overview

Insights for flights from Philadelphia to Detroit

How much is a round trip from Philadelphia to Detroit

Regular price: $69 - $247

Prices are currently within the regular range.

The regular price range for flights from Philadelphia to Detroit is between $69 and $247. The current lowest deal is $83 with Frontier Airlines, for travel from Oct 8-Oct 26.

now $83

Low $69

High $247

The cheapest time to fly from Philadelphia to Detroit

June

Cheapest

Flights from $137

July

Most Expensive

Flights from $528

Jan

Feb

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Philadelphia to Detroit

Frontier Airlines

Last-minute flights going from Philadelphia to Detroit

Tue, Sep 22

⌛ Last-Minute

PHL - Detroit

Philadelphia (PHL) - Detroit (DTW)

Frontier Airlines

$258

$239

One-way

Mon, Sep 28

⌛ Last-Minute

TTN - Detroit

Trenton (TTN) - Detroit (DTW)

Frontier Airlines

$344

$269

One-way

Fri, Oct 2

⌛ Last-Minute

TTN - Detroit

Trenton (TTN) - Detroit (DTW)

Frontier Airlines

$319

$199

One-way

Sat, Oct 3

⌛ Last-Minute

PHL - Detroit

Philadelphia (PHL) - Detroit (DTW)

Frontier Airlines

$210

$145

One-way

Sun, Oct 4

⌛ Last-Minute

PHL - Detroit

Philadelphia (PHL) - Detroit (DTW)

Frontier Airlines

$210

$166

One-way

Mon, Oct 5

⌛ Last-Minute

PHL - Detroit

Philadelphia (PHL) - Detroit (DTW)

Frontier Airlines

$210

$179

One-way

Biggest price drops on these dates for flights from Philadelphia to Detroit

1 night

Sep 19 - Sep 20

$526 → $379

28%

4 nights

Oct 15 - Oct 19

$323 → $198

39%

2 nights

Sep 17 - Sep 19

$525 → $400

24%

2 nights

Sep 19 - Sep 21

$525 → $400

24%

Popular Airports to fly from Philadelphia to Detroit

Philadelphia - Detroit route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Philadelphia to Detroit are below the typical level at $83.

📅 Best time to fly

April, June, and May are cheapest

Historically, April ($104), June ($109), and May ($109) are the cheapest months to fly.

⏱️ Flight duration

Direct flights average 1h 39m

Direct flights to Detroit typically take 1h 39m, while connecting flights average 6h 44m.

✈️ Airlines & availability

Direct flights are available

47.8% of recent flights from Philadelphia to Detroit are direct.

🏆 Airline highlight

Frontier Airlines offers direct flights

Frontier Airlines has 1 direct deal available for this route.

🎯 Booking tip

Deals appear frequently

Deals on flights from Philadelphia to Detroit appear frequently.

Philadelphia main airports to depart from

Philadelphia International (PHL)

Cheapest

Fly from Philadelphia International for convenient access to flights from Philadelphia to Detroit.

📍 ~11 km from city center (reachable by car or train)

💸 Flights from ~$156

Detroit main airports to arrive at

Detroit Metropolitan (DTW)

Cheapest

Detroit Metropolitan Airport is a convenient arrival option for flights from Philadelphia to Detroit.

📍 ~29 km from Detroit (reachable by car)

💸 Flights from ~$156

Airports nearby Detroit used as alternative

Bishop International (FNT)

Bishop International (FNT) can be a useful alternative to avoid congestion and higher parking costs at Detroit Metropolitan.

📍 ~95 km from Detroit (reachable by car)

💸 Flights from ~$236

Detroit, United States

72% AI deal score

$898

$669

Save $229

United Airlines

Business Class

From PHL

Elite

Oct 17

Detroit, United States

72% AI deal score

$899

$669

Save $230

United Airlines

Business Class

From PHL

Detroit, United States

65% AI deal score

$3,069

$2,386

Save $683

Alaska Airlines, Inc.

Business Class

Frequently Asked Questions About Flights to Detroit

Cheap Flights from Philadelphia to Detroit

Today’s best flight deals from Philadelphia to Detroit

Philadelphia to Detroit: Overview

Insights for flights from Philadelphia to Detroit

How much is a round trip from Philadelphia to Detroit

The cheapest time to fly from Philadelphia to Detroit

Direct flights from Philadelphia to Detroit

Last-minute flights going from Philadelphia to Detroit

Biggest price drops on these dates for flights from Philadelphia to Detroit

Popular Airports to fly from Philadelphia to Detroit

Philadelphia - Detroit route insights

Recent fares are below the typical level

April, June, and May are cheapest

Direct flights average 1h 39m

Direct flights are available

Frontier Airlines offers direct flights

Deals appear frequently

Philadelphia main airports to depart from

Detroit main airports to arrive at

Airports nearby Detroit used as alternative

Business & First Class Flight Deals to Detroit

Best Elite deals to Detroit

Oct 15

Oct 19

Nov 06

Oct 17

Oct 17

Oct 16

Nov 22

Nov 12

Dec 01

Dec 07

Oct 29

Oct 25

Frequently Asked Questions About Flights to Detroit

How early should I book Philadelphia to Detroit flights to get the cheapest price?

How much should a flight from Philadelphia to Detroit cost?

What's the best month to fly from Philadelphia to Detroit?

What percentage of Philadelphia to Detroit flights are direct?

What's the flight time from Philadelphia to Detroit?

Should I set a price alert for Philadelphia to Detroit flights?

Related routes

More routes from Philadelphia

Flights to Detroit from other cities

Philadelphia to Detroit: Overview

Insights for flights from Philadelphia to Detroit

How much is a round trip from Philadelphia to Detroit

The cheapest time to fly from Philadelphia to Detroit

Direct flights from Philadelphia to Detroit

Last-minute flights going from Philadelphia to Detroit

Biggest price drops on these dates for flights from Philadelphia to Detroit

Popular Airports to fly from Philadelphia to Detroit

Philadelphia - Detroit route insights

Recent fares are below the typical level

April, June, and May are cheapest

Direct flights average 1h 39m

Direct flights are available

Frontier Airlines offers direct flights

Deals appear frequently

Philadelphia main airports to depart from

Detroit main airports to arrive at

Airports nearby Detroit used as alternative

Business & First Class Flight Deals to Detroit

Best Elite deals to Detroit

Oct 15

Oct 19

Nov 06

Oct 17

Oct 17

Oct 16

Nov 22

Nov 12

Dec 01

Dec 07

Oct 29

Oct 25

Frequently Asked Questions About Flights to Detroit

How early should I book Philadelphia to Detroit flights to get the cheapest price?

How much should a flight from Philadelphia to Detroit cost?

What's the best month to fly from Philadelphia to Detroit?