$99 Cheap Flights from Milwaukee (MKE) to Philadelphia (PHL)

View $99 flight on Mon, Sep 8, 2025Opens in a new window

Popular airlines from General Mitchell Intl. Airport (MKE) to Philadelphia Intl. Airport (PHL)

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Cheap Flights from Milwaukee to Philadelphia (MKE-PHL)

Prices were available within the past 7 days and start at $99 for one-way flights and $199 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Wed, Aug 27 - Sat, Sep 6
MKE
Milwaukee
PHL
Philadelphia
$199 Roundtrip, found 6 days ago
$199
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Wed, Aug 27 from Milwaukee to Philadelphia, returning Sat, Sep 6, priced at $199 found 6 days ago
Spirit Airlines
Fri, Sep 5 - Mon, Sep 8
MKE
Milwaukee
PHL
Philadelphia
$202 Roundtrip, found 1 hour ago
$202
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Fri, Sep 5 from Milwaukee to Philadelphia, returning Mon, Sep 8, priced at $202 found 1 hour ago
Spirit Airlines
Sat, Aug 16 - Tue, Aug 19
MKE
Milwaukee
PHL
Philadelphia
$204 Roundtrip, found 4 days ago
$204
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Sat, Aug 16 from Milwaukee to Philadelphia, returning Tue, Aug 19, priced at $204 found 4 days ago
Spirit Airlines
Fri, Sep 12 - Fri, Sep 19
MKE
Milwaukee
PHL
Philadelphia
$207 Roundtrip, found 3 hours ago
$207
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Fri, Sep 12 from Milwaukee to Philadelphia, returning Fri, Sep 19, priced at $207 found 3 hours ago
Southwest Airlines
Mon, Aug 25 - Wed, Aug 27
MKE
Milwaukee
PHL
Philadelphia
$209 Roundtrip, found 6 days ago
$209
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Mon, Aug 25 from Milwaukee to Philadelphia, returning Wed, Aug 27, priced at $209 found 6 days ago
Spirit Airlines
Thu, Aug 21 - Mon, Aug 25
MKE
Milwaukee
PHL
Philadelphia
$212 Roundtrip, found 2 hours ago
$212
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Thu, Aug 21 from Milwaukee to Philadelphia, returning Mon, Aug 25, priced at $212 found 2 hours ago
Spirit Airlines
Fri, Sep 12 - Sun, Sep 14
MKE
Milwaukee
PHL
Philadelphia
$217 Roundtrip, just found
$217
Roundtrip
just found
Select Spirit Airlines flight, departing Fri, Sep 12 from Milwaukee to Philadelphia, returning Sun, Sep 14, priced at $217 just found
Frontier Airlines
Fri, Aug 22 - Mon, Aug 25
MKE
Milwaukee
PHL
Philadelphia
$243 Roundtrip, found 5 hours ago
$243
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Fri, Aug 22 from Milwaukee to Philadelphia, returning Mon, Aug 25, priced at $243 found 5 hours ago
American Airlines
Wed, Oct 29 - Tue, Nov 4
MKE
Milwaukee
TTN
Trenton
$293 Roundtrip, found 2 days ago
$293
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct 29 from Milwaukee to Trenton, returning Tue, Nov 4, priced at $293 found 2 days ago
United
Wed, Aug 20 - Tue, Aug 26
MKE
Milwaukee
PHL
Philadelphia
$313 Roundtrip, found 10 hours ago
$313
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Aug 20 from Milwaukee to Philadelphia, returning Tue, Aug 26, priced at $313 found 10 hours ago

Find the cheapest month to fly from Milwaukee (MKE) to Philadelphia (PHL)

October is typically the cheapest month to fly

From $98 - $439 per traveler.

Graph displaying average flight prices per month

Flights from Milwaukee (MKE) to Philadelphia (PHL)
Origin airport
General Mitchell Intl.
Destination airport
Philadelphia Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$199
Distance
688 mi
Average flight time
3 hours 10 mins

Milwaukee to Philadelphia Flights

The cheapest times to fly from Milwaukee 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 Milwaukee to Philadelphia are during the month of August. You can find some of the cheapest flights from Milwaukee to Philadelphia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Milwaukee to Philadelphia

Sunday is one of the best days to book for cheap flights from Milwaukee 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 Milwaukee 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 Milwaukee to Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $99 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 Milwaukee 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 Milwaukee 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 General Mitchell Intl. Airport (MKE) to Philadelphia Intl. Airport (PHL) cost?
You'll find cheap return fares from General Mitchell Intl. Airport (MKE) to Philadelphia Intl. Airport (PHL) starting at $293. Grab your seat and get ready for takeoff. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a American Airlines flight leaving MKE on August 5 2025 and touching down at PHL. The price was last updated on July 12 2025 and has not changed since.
What is the cheapest month to fly from MKE to PHL?
The cheapest flights from MKE to PHL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from General Mitchell Intl. Airport (MKE) to Philadelphia Intl. Airport (PHL)?
If you're departing from General Mitchell Intl. Airport (MKE), you can jump on a direct flight to Philadelphia Intl. Airport (PHL) with American Airlines.
What is the cheapest airline that flies from MKE to PHL?
Right now, the cheapest airline offering one-way flights from MKE to PHL is American Airlines. You can jet off on this route from $221. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from MKE on August 8 2025. Prices were last updated on July 12 2025 and have not changed since.
How many flights per day from General Mitchell Intl. Airport (MKE) to Philadelphia Intl. Airport (PHL)?
On average, only 1 direct flight departs daily from General Mitchell Intl. Airport (MKE) to Philadelphia Intl. Airport (PHL). Need other options? Use Expedia's filters to find flights with layovers and add a new destination to your journey.
What are the most popular departure times for flights from General Mitchell Intl. Airport (MKE) to Philadelphia Intl. Airport (PHL)?
The 11 AM departures from MKE to PHL are the busiest. These flights can come with a higher price due to their popularity. If you're looking to save, book during off-peak hours.
What day of the week has the most flights from MKE to PHL?
If you depart on a Friday, you'll get the widest range of options for flights from General Mitchell Intl. Airport (MKE) to Philadelphia Intl. Airport (PHL).
What is the earliest flight from General Mitchell Intl. Airport (MKE) to Philadelphia Intl. Airport (PHL)?
General Mitchell Intl. Airport (MKE)'s first flight to Philadelphia Intl. Airport (PHL) leaves at approximately 11:36AM UTC-6. With a total travel time of 2h 8m, you'll touch down at around 2:44PM UTC-5.
How long does it take to fly from General Mitchell Intl. Airport (MKE) to Philadelphia Intl. Airport (PHL)?
The average flight duration from MKE to PHL is 2 hours and 8 minutes, covering a total distance of 690 mi.
What airline has the least delays from MKE to PHL?
With 100% of journeys usually arriving on time, Frontier Airlines has the best on-time performance for direct flights from General Mitchell Intl. Airport (MKE) to Philadelphia Intl. Airport (PHL). To check your flight status and receive notifications if anything changes, head to the Expedia App.
What is the best time to fly from General Mitchell Intl. Airport (MKE) to Philadelphia Intl. Airport (PHL)?
Choose a flight from General Mitchell Intl. Airport (MKE) to Philadelphia Intl. Airport (PHL) that takes off before 3 PM to reduce the likelihood of delays. Departures later than this 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 General Mitchell Intl. Airport (MKE)?
If you're boarding a direct flight from General Mitchell Intl. Airport (MKE) to Philadelphia, Philadelphia Intl. Airport (PHL) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from General Mitchell Intl. Airport (MKE) to Philadelphia Intl. Airport (PHL) last-minute?
Waiting until right before your break to book a flight from MKE to PHL often results in higher prices. While it's possible to find some last-minute discounts, they're not always guaranteed. Allow some flexibility in your schedule to boost your chances of snagging a bargain.
Is it cheaper to book a MKE to PHL flight and hotel package?
Compared with arranging hotels and flights separately, booking a MKE to PHL flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place will take the hassle out of travel planning. Simply pick your flights and select from our extensive range of stays, then personalize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from General Mitchell Intl. Airport (MKE) to Philadelphia Intl. Airport (PHL)?
In most cases, you're able to cancel or reschedule your MKE to PHL flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you need more details, visit our Customer Service portal.

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