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$29+ Cheap flights from Michigan to Philadelphia (PHL)

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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — PHL
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
1 adult, Economy
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Cheap flight deals from Michigan to Philadelphia

Cheapest flights from Michigan to Philadelphia
Explore the most affordable flight options available from Michigan to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Mon 7/272:57 pm
GRR
-
PHL
Nonstop1h 51m
Allegiant Air
Fri 8/74:07 pm
PHL
-
GRR
Nonstop2h 05m
Allegiant Air
Deal found 6/7$64
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Fri 7/172:57 pm
GRR
-
PHL
Nonstop1h 51m
Allegiant Air
Mon 7/205:38 pm
PHL
-
GRR
Nonstop2h 05m
Allegiant Air
Deal found 6/9$69
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Mon 8/101:26 pm
GRR
-
PHL
Nonstop1h 51m
Allegiant Air
Mon 8/174:07 pm
PHL
-
GRR
Nonstop2h 05m
Allegiant Air
Deal found 6/8$73
This Kiwi.com deal was found by Cheapflights users on 6/6. 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.
Mon 8/171:26 pm
GRR
-
PHL
Nonstop1h 51m
Allegiant Air
Mon 9/76:34 pm
PHL
-
GRR
Nonstop2h 05m
Allegiant Air
Deal found 6/6$77
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Fri 7/312:57 pm
GRR
-
PHL
Nonstop1h 51m
Allegiant Air
Mon 8/35:38 pm
PHL
-
GRR
Nonstop2h 05m
Allegiant Air
Deal found 6/10$78
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Mon 8/101:26 pm
GRR
-
PHL
Nonstop1h 51m
Allegiant Air
Fri 8/144:07 pm
PHL
-
GRR
Nonstop2h 05m
Allegiant Air
Deal found 6/8$83
This Kiwi.com deal was found by Cheapflights users on 6/6. 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.
Mon 7/202:57 pm
GRR
-
PHL
Nonstop1h 51m
Allegiant Air
Mon 7/275:38 pm
PHL
-
GRR
Nonstop2h 05m
Allegiant Air
Deal found 6/6$88
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Mon 6/298:45 am
GRR
-
PHL
Nonstop1h 51m
Allegiant Air
Mon 7/65:38 pm
PHL
-
GRR
Nonstop2h 05m
Allegiant Air
Deal found 6/10$97
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Mon 10/58:00 am
GRR
-
PHL
Nonstop1h 51m
Allegiant Air
Fri 10/94:44 pm
PHL
-
GRR
Nonstop2h 05m
Allegiant Air
Deal found 6/8$104
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Fri 10/22:03 pm
GRR
-
PHL
Nonstop1h 51m
Allegiant Air
Fri 10/94:44 pm
PHL
-
GRR
Nonstop2h 05m
Allegiant Air
Deal found 6/8$109
This CheapOair deal was found by Cheapflights users on 6/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/910:08 am
DTW
-
PHL
1 stop14h 40m
Frontier
Mon 8/107:24 am
PHL
-
DTW
Nonstop1h 49m
Frontier
Deal found 6/6$194
This CheapOair deal was found by Cheapflights users on 6/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1410:08 am
DTW
-
PHL
1 stop14h 40m
Frontier
Sat 8/157:24 am
PHL
-
DTW
Nonstop1h 49m
Frontier
Deal found 6/10$199

Find flight deals from Michigan to Philadelphia

Keep the following information in mind while searching for Michigan to Philadelphia flight deals. Data was last updated June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$64
(Kiwi.com)

One-way from

$29
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$356

Good round-trip deal

$104 or less

Good one-way deal

$99 or less
Provider with most accurate pricing for Detroit (DTT)-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Philadelphia flights.
Search Deals
From Michigan to Philadelphia
Search Deals
One-way flight from Michigan to Philadelphia
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Michigan to Philadelphia.
Search Deals
Price to beat on a one-way flight from Michigan to Philadelphia.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Michigan to Philadelphia 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 June 11, 2026.
Use the filters below to find and compare flights from Michigan to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Mon 8/24

10:56 am-8:00 pm

1 stop8h 04m

Philadelphia

Fri 9/11

10:45 am-7:22 pm

1 stop9h 37m

$219

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Fri 9/4

6:13 pm-9:27 pm

Nonstop2h 14m

Philadelphia

Tue 9/8

5:01 pm-6:32 pm

Nonstop2h 31m

$223

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Sat 9/5

5:18 pm-11:26 pm

1 stop5h 08m

Philadelphia

Tue 9/8

2:27 pm-8:17 pm

1 stop6h 50m

$224

ChicagoPhiladelphia

MDW - PHL

MDWPHL

Chicago Midway

Mon 11/2

7:25 pm-10:15 pm

Nonstop1h 50m

Philadelphia

Sat 11/7

7:50 am-9:10 am

Nonstop2h 20m

$242

ChicagoPhiladelphia

MDW - PHL

MDWPHL

Chicago Midway

Wed 7/29

9:10 am-12:10 pm

Nonstop2h 00m

Philadelphia

Wed 8/5

6:25 am-11:50 am

1 stop6h 25m

$246

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Fri 9/4

2:30 pm-5:54 pm

Nonstop2h 24m

Philadelphia

Mon 9/7

10:30 am-2:27 pm

1 stop4h 57m

$271

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Wed 8/12

8:45 am-2:21 pm

1 stop4h 36m

Philadelphia

Tue 8/18

5:01 pm-6:32 pm

Nonstop2h 31m

$275

ChicagoPhiladelphia

MDW - PHL

MDWPHL

Chicago Midway

Tue 7/21

9:10 am-12:10 pm

Nonstop2h 00m

Philadelphia

Tue 7/28

7:25 am-8:30 am

Nonstop2h 05m

$287

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Sat 7/11

9:45 pm-12:57 am

Nonstop2h 12m

Philadelphia

Tue 7/14

8:05 am-9:34 am

Nonstop2h 29m

$287

South BendPhiladelphia

SBN - PHL

SBNPHL

South Bend/Michiana

Wed 7/15

3:09 pm-7:25 pm

1 stop4h 16m

Philadelphia

Mon 7/20

5:15 am-11:00 am

1 stop5h 45m

$288

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Michigan to Philadelphia

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

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

Currently, August is the cheapest month in which you can book a flight from Michigan to Philadelphia (average of $34). Flying from Michigan to Philadelphia in March is currently the most expensive (average of $169). 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 MI to PHL?

Find hourly flight availability from Michigan to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 11, 2026.

It’s typically best to fly out from Michigan to Philadelphia in the evening. Doing so could potentially save you 48% on the flight price compared to flying at noon, which is usually more expensive.

Weekly flight availability from Michigan to Philadelphia

Explore weekly flight availability from Michigan to Philadelphia. 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 June 11, 2026.

The most flights from USMI to PHL are scheduled on a Wednesday (31 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

How much does it cost to fly round-trip from Michigan to Philadelphia?

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

Booking 53 days in advance of your planned departure date is, on average, the best time to get cheap flights from Michigan to Philadelphia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Use this chart to determine the cheapest time to fly round-trip from Michigan to Philadelphia. Price data was last updated on June 8, 2026.

Travelers seeking maximum savings on their Michigan to Philadelphia flight should consider departing on Thursday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Michigan to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Philadelphia from Michigan?

    If you book a flight to Philadelphia from Michigan, you will be flying to Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia.

  • How long is the flight from Michigan to Philadelphia?

    Departing from Michigan to Philadelphia will take you 2h 14m. Michigan and Philadelphia are separated by a distance of 676 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Michigan to Philadelphia one-way?

    For one-way options, check prices for Allegiant Air. According to our data, you can fly for as low as $39. Users have also found prices from $42 and $99 on Frontier and Southwest, respectively.

  • What are the most popular routes from Michigan to Philadelphia?

    The most popular flight routes from Michigan to Philadelphia are Chicago O'Hare Intl - Philadelphia, Detroit Metropolitan Wayne County - Philadelphia and Chicago Midway - Philadelphia.

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

    No one likes to see their flight delayed. When booking a flight from Michigan to Philadelphia consider choosing Aer Lingus (88%), Aeromexico (85%) or PSA Airlines (84%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Michigan to Philadelphia?

    Looking at all options, your cheapest flight can be booked for $110. While the most popular route (Chicago O'Hare Intl - Philadelphia) can be booked for $176 on average, our data indicates $738 when flying from Michigan to Philadelphia.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Michigan to Philadelphia (average of $34). Flying from Michigan to Philadelphia in March is currently the most expensive (average of $169). 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 Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
King of Prussia
Reading
Camden
Ocean City
Cherry Hill
Lewes
Dewey Beach
Pottstown
Ephrata
Milford
Plymouth Meeting
Wildwood Crest
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Vineland

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Michigan to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Michigan to Philadelphia

Discover the top 6 airlines that operate flights from Michigan to Philadelphia. 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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$220FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$74Average$105FlexibilityNo cancel feeOn-time88%
DeltaCheapest$159Average$400FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$199Average$391FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$243Average$403FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$249Average$385FlexibilityNo cancel feeOn-time69%

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