What percentage of Philadelphia to Detroit flights are direct?

Historically, 47.8% of flights from Philadelphia to Detroit are direct. For routes that include one or more stops, the median number of stopovers is typically 2. This means that nearly half of all flights on this route offer a non-stop option. Travelers should consider this when planning their journey, as connecting flights generally involve more stops.

What's the flight time from Philadelphia to Detroit?

The typical direct flight from Philadelphia to Detroit has a median duration of 1 hour and 39 minutes, covering a distance of 728 kilometers. For flights with one stop, the median duration is considerably longer, averaging 6 hours and 37 minutes. This difference highlights the efficiency of direct routes compared to those with layovers. Travelers should factor in these durations when choosing their flight option.

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 can be beneficial for travelers on this route, as it allows them to be notified when prices drop. Given the frequent nature of deals observed over the trailing 30 days, monitoring prices could lead to securing a more favorable fare.

Flights From Philadelphia

To Detroit

Cheap Flights from Philadelphia to Detroit

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Deals from

Philadelphia

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

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Philadelphia to Detroit

Explore current cheapest deals departing from Philadelphia to Detroit

2026-08-13 – 2026-08-17
PHL - Detroit
73% AI deal score
$221
$138
Round trip
2026-10-05 – 2026-10-07
PHL - Detroit
71% AI deal score
$206
$138
Round trip
2026-08-13 – 2026-08-23
PHL - Detroit
69% AI deal score
$187
$139
Round trip
2026-08-05 – 2026-08-12
PHL - Detroit
72% AI deal score
$208
$139
Round trip
2026-08-06 – 2026-08-11
PHL - Detroit
72% AI deal score
$216
$139
Round trip
2026-08-05 – 2026-08-11
PHL - Detroit
72% AI deal score
$209
$139
Round trip
2026-08-28 – 2026-08-31
PHL - Detroit
72% AI deal score
$213
$139
Round trip
2026-08-13 – 2026-08-18
PHL - Detroit
72% AI deal score
$215
$139
Round trip
2026-08-22 – 2026-08-31
PHL - Detroit
69% AI deal score
$188
$139
Round trip
2026-08-19 – 2026-08-26
PHL - Detroit
71% AI deal score
$205
$139
Round trip

Philadelphia to Detroit: Overview

Insights for flights from Philadelphia to Detroit

For travelers seeking cheap flights from Philadelphia to Detroit, a meaningful share of itineraries are non-stop, with 47.8% of recent fares falling into this category. The remaining itineraries typically include 2 connections, offering flexibility for your travel plans. This mix means you have options for both direct travel and routes with layovers.

Right now, fares for flights from Philadelphia to Detroit are typically between $188–$540, with a median of $246. Current fares are below the typical level, indicating a potentially good time to book. Only 1% of recent fares were classified as a good price, suggesting that finding exceptional deals can be challenging.

When is the cheapest time to fly from Philadelphia to Detroit? The data indicates that the most affordable months to fly are April, with a median fare of $104, followed by June and May, both with median fares of $109. Planning your trip during these months could result in significant savings.

A typical journey from Philadelphia to Detroit takes approximately 1h 39m, including connections. For non-stop flights, the median duration is also 1h 39m. However, if your itinerary includes connections, the median journey time extends to 6h 44m, so it's important to consider this when planning your travel schedule.

The distance between Philadelphia and Detroit is 728 kilometers, classifying this as a short-haul route. This means you can expect a relatively quick journey, making it a convenient option for a short trip or a quick business flight.

How much is a round trip from Philadelphia to Detroit

Regular price: $165 - $293

Prices are currently below the regular range.

The regular price range for flights from Philadelphia to Detroit is $165 to $293. The current lowest deal is $137 with Frontier Airlines for travel from Oct 5-Oct 7.

now $137

Low $165

High $293

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

Wed, Jul 29

⌛ Last-Minute

TTN - Detroit

Trenton (TTN) - Detroit (DTW)

Frontier Airlines

$468

$333

One-way

Thu, Jul 30

⌛ Last-Minute

TTN - Detroit

Trenton (TTN) - Detroit (DTW)

Frontier Airlines

$470

$365

One-way

Sat, Aug 1

⌛ Last-Minute

PHL - Detroit

Philadelphia (PHL) - Detroit (DTW)

Frontier Airlines

$340

$303

One-way

Sat, Aug 1

⌛ Last-Minute

PHL - Detroit

Philadelphia (PHL) - Detroit (DTW)

Frontier Airlines

$342

$305

One-way

Mon, Aug 3

⌛ Last-Minute

PHL - Detroit

Philadelphia (PHL) - Detroit (DTW)

Frontier Airlines

$288

$266

One-way

Tue, Aug 4

⌛ Last-Minute

PHL - Detroit

Philadelphia (PHL) - Detroit (DTW)

Frontier Airlines

$277

$246

One-way

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

2 nights

Jul 29 - Jul 31

$468 → $333

29%

4 nights

Aug 6 - Aug 10

$397 → $292

26%

1 night

Jul 30 - Jul 31

$470 → $365

22%

7 nights

Sep 5 - Sep 12

$303 → $199

34%

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, with prices around $137.

📅 Best time to fly

Fly in June for the best prices

Historically, June is the cheapest month to fly from Philadelphia to Detroit, with a median price of $137.

⏱️ Flight duration

Direct flights average 1h 39m

The typical direct flight from Philadelphia to Detroit is 1h 39m, while connecting flights average 6h 44m.

✈️ Airlines & availability

Frequent deals to Detroit

Deals from Philadelphia to Detroit are frequent, with 47.8% of recent flights being direct.

🏆 Airline highlight

Frontier Airlines offers direct flights

Frontier Airlines is one carrier providing direct flights from Philadelphia to Detroit.

🎯 Booking tip

Consider booking in May or June

Historically, May and June offer some of the lowest median prices for this route.

Philadelphia main airports to depart from

Philadelphia International (PHL)

Cheapest

Fly from Philadelphia International for a convenient departure option to Detroit.

📍 ~10 km from Philadelphia city center (reachable by car)

💸 Flights from ~$169

Detroit main airports to arrive at

Detroit Metropolitan (DTW)

Cheapest

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

📍 ~30 km from Detroit (reachable by car)

💸 Flights from ~$169

Airports nearby Detroit used as alternative

Bishop International (FNT)

Bishop International (FNT) can be a useful alternative, especially to avoid congestion and higher parking costs at DTW.

📍 ~90 km from Detroit (reachable by car)

💸 Flights from ~$228

Business & First Class Flight Deals to Detroit

78% AI deal score

$1,129

$647

Save $482

Frequently Asked Questions About Flights to Detroit

Historically, the lowest 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 60+ days out usually results in an average price of $182, while booking 28-59 days in advance sees prices rise to approximately $324. For the trailing 90 days, prices tend to be highest for very last-minute bookings, with flights within 7-13 days averaging $256 and those within 0-6 days averaging $235.

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 over the same 90-day period was $246. Prices can vary, with 75% of observed prices being $540 or less. Travelers aiming for a more economical fare should target prices at or below the $188 threshold.

Historically, the cheapest months to fly from Philadelphia to Detroit are April, June, and May, with median prices of $104, $109, and $109 respectively. While June appears on both the cheapest and most expensive lists, this indicates price variability within the month. The annual median price for this route, based on data from the trailing 270 days, is $246. Travelers looking for lower fares should consider these months for their travel plans.

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: $165 - $293

Prices are currently below the regular range.

The regular price range for flights from Philadelphia to Detroit is $165 to $293. The current lowest deal is $137 with Frontier Airlines for travel from Oct 5-Oct 7.

now $137

Low $165

High $293

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

Wed, Jul 29

⌛ Last-Minute

TTN - Detroit

Trenton (TTN) - Detroit (DTW)

Frontier Airlines

$468

$333

One-way

Thu, Jul 30

⌛ Last-Minute

TTN - Detroit

Trenton (TTN) - Detroit (DTW)

Frontier Airlines

$470

$365

One-way

Sat, Aug 1

⌛ Last-Minute

PHL - Detroit

Philadelphia (PHL) - Detroit (DTW)

Frontier Airlines

$340

$303

One-way

Sat, Aug 1

⌛ Last-Minute

PHL - Detroit

Philadelphia (PHL) - Detroit (DTW)

Frontier Airlines

$342

$305

One-way

Mon, Aug 3

⌛ Last-Minute

PHL - Detroit

Philadelphia (PHL) - Detroit (DTW)

Frontier Airlines

$288

$266

One-way

Tue, Aug 4

⌛ Last-Minute

PHL - Detroit

Philadelphia (PHL) - Detroit (DTW)

Frontier Airlines

$277

$246

One-way

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

2 nights

Jul 29 - Jul 31

$468 → $333

29%

4 nights

Aug 6 - Aug 10

$397 → $292

26%

1 night

Jul 30 - Jul 31

$470 → $365

22%

7 nights

Sep 5 - Sep 12

$303 → $199

34%

Popular Airports to fly from Philadelphia to Detroit