$190 Cheap Flights from Dayton (DAY) to Philadelphia (PHL)

View $190 flight on Fri, Aug 15, 2025Opens in a new window

Popular airlines from Dayton Intl. Airport (DAY) to Philadelphia Intl. Airport (PHL)

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Cheap Flights from Dayton to Philadelphia (DAY-PHL)

Prices were available within the past 7 days and start at $190 for one-way flights and $325 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Oct 2 - Mon, Oct 6
DAY
Dayton
PHL
Philadelphia
$325 Roundtrip, just found
$325
Roundtrip
just found
Select American Airlines flight, departing Thu, Oct 2 from Dayton to Philadelphia, returning Mon, Oct 6, priced at $325 just found
American Airlines
Wed, Oct 1 - Sat, Oct 4
DAY
Dayton
PHL
Philadelphia
$341 Roundtrip, found 7 hours ago
$341
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Wed, Oct 1 from Dayton to Philadelphia, returning Sat, Oct 4, priced at $341 found 7 hours ago
Delta
Wed, Aug 6 - Mon, Aug 11
DAY
Dayton
PHL
Philadelphia
$345 Roundtrip, just found
$345
Roundtrip
just found
Select Delta flight, departing Wed, Aug 6 from Dayton to Philadelphia, returning Mon, Aug 11, priced at $345 just found
American Airlines
Wed, Oct 1 - Sat, Oct 4
DAY
Dayton
PHL
Philadelphia
$351 Roundtrip, found 7 hours ago
$351
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Wed, Oct 1 from Dayton to Philadelphia, returning Sat, Oct 4, priced at $351 found 7 hours ago
Delta
Wed, Sep 3 - Sat, Sep 13
DAY
Dayton
PHL
Philadelphia
$353 Roundtrip, found 4 hours ago
$353
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, Sep 3 from Dayton to Philadelphia, returning Sat, Sep 13, priced at $353 found 4 hours ago
American Airlines
Thu, Oct 2 - Mon, Oct 6
DAY
Dayton
PHL
Philadelphia
$357 Roundtrip, just found
$357
Roundtrip
just found
Select American Airlines flight, departing Thu, Oct 2 from Dayton to Philadelphia, returning Mon, Oct 6, priced at $357 just found
American Airlines
Thu, Oct 2 - Mon, Oct 6
DAY
Dayton
PHL
Philadelphia
$360 Roundtrip, just found
$360
Roundtrip
just found
Select American Airlines flight, departing Thu, Oct 2 from Dayton to Philadelphia, returning Mon, Oct 6, priced at $360 just found
United
Wed, Oct 1 - Sat, Oct 4
DAY
Dayton
PHL
Philadelphia
$361 Roundtrip, found 7 hours ago
$361
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Oct 1 from Dayton to Philadelphia, returning Sat, Oct 4, priced at $361 found 7 hours ago
American Airlines
Wed, Aug 6 - Mon, Aug 11
DAY
Dayton
PHL
Philadelphia
$361 Roundtrip, just found
$361
Roundtrip
just found
Select American Airlines flight, departing Wed, Aug 6 from Dayton to Philadelphia, returning Mon, Aug 11, priced at $361 just found
American Airlines
Sat, Oct 4 - Mon, Oct 6
DAY
Dayton
PHL
Philadelphia
$362 Roundtrip, found 1 hour ago
$362
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sat, Oct 4 from Dayton to Philadelphia, returning Mon, Oct 6, priced at $362 found 1 hour ago

Find the cheapest month to fly from Dayton (DAY) to Philadelphia (PHL)

November is typically the cheapest month to fly

From $251 - $586 per traveler.

Graph displaying average flight prices per month

Alternative airports near Philadelphia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to New Castle ILG. Average driving time to city center is 44 minutes. Flights from $484
ILG
New Castle
Average driving time to city center44 min
Flights from $484
Flights from Dayton (DAY) to Philadelphia (PHL)
Origin airport
James M. Cox Dayton Intl.
Destination airport
Philadelphia Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$325
Distance
475 mi
Average flight time
1 hour 43 mins

Dayton to Philadelphia Flights

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

 

The best time to book a flight from Dayton to Philadelphia

Sunday is one of the best days to book for cheap flights from Dayton 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 Dayton 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 Dayton to Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $190 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 Dayton 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 Dayton 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 James M. Cox Dayton Intl. Airport (DAY) to Philadelphia Intl. Airport (PHL) cost?
Cheap round-trip fares from James M. Cox Dayton Intl. Airport (DAY) to Philadelphia Intl. Airport (PHL) start at $341. 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 DAY on July 4 2025 and touching down at PHL. The price was last updated on July 2 2025 and has not changed since.
What is the cheapest month to fly from DAY to PHL?
The cheapest flights from DAY 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 James M. Cox Dayton Intl. Airport (DAY) to Philadelphia Intl. Airport (PHL)?
Fly nonstop from James M. Cox Dayton Intl. Airport (DAY) to Philadelphia Intl. Airport (PHL) on an American Airlines flight.
What is the cheapest airline that flies from DAY to PHL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from DAY to PHL. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from James M. Cox Dayton Intl. Airport (DAY) to Philadelphia Intl. Airport (PHL)?
On average, just 1 nonstop flight departs daily from James M. Cox Dayton Intl. Airport (DAY) to Philadelphia Intl. Airport (PHL). Looking for more options? Use Expedia's filter tool to discover flights with layovers and add a new stop to your trip.
What are the most popular departure times for flights from James M. Cox Dayton Intl. Airport (DAY) to Philadelphia Intl. Airport (PHL)?
Flights between DAY and PHL tend to be busiest at 7 AM. For a more relaxed trip and possibly cheaper prices, look for a time when demand is lower.
What day of the week has the most flights from DAY to PHL?
Tuesday offers the most flights from James M. Cox Dayton Intl. Airport (DAY) to Philadelphia Intl. Airport (PHL). Consider traveling on this day and you'll have a greater chance of finding a departure that fits your schedule.
What is the earliest flight from James M. Cox Dayton Intl. Airport (DAY) to Philadelphia Intl. Airport (PHL)?
James M. Cox Dayton Intl. Airport (DAY)'s earliest flight to Philadelphia Intl. Airport (PHL) leaves at approximately 7:00AM UTC-5. With a flight time of 1h 41m, you'll arrive at around 8:41AM UTC-5.
How long does it take to fly from James M. Cox Dayton Intl. Airport (DAY) to Philadelphia Intl. Airport (PHL)?
Typically, it takes 1 hour and 41 minutes to travel the 480 mi from DAY to PHL.
What airline has the least delays from DAY to PHL?
American Airlines has the strongest track record for on-time direct flights from James M. Cox Dayton Intl. Airport (DAY) to Philadelphia Intl. Airport (PHL), with an on-time score of 84%. Use the Expedia App to look up your flight status before you take off and get immediate updates about any trip changes.
What is the best time to fly from James M. Cox Dayton Intl. Airport (DAY) to Philadelphia Intl. Airport (PHL)?
To avoid potential delays on the James M. Cox Dayton Intl. Airport (DAY) to Philadelphia Intl. Airport (PHL) route, travel before 3 PM. Later departures are 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 James M. Cox Dayton Intl. Airport (DAY)?
Philadelphia Intl. Airport (PHL) is the only airport in Philadelphia with direct flights from James M. Cox Dayton Intl. Airport (DAY). Check out your options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from James M. Cox Dayton Intl. Airport (DAY) to Philadelphia Intl. Airport (PHL) last-minute?
Last-minute bookings from DAY to PHL are usually more expensive. To lock in the cheapest rates, start searching for flights well ahead of time. That said, if you're flexible with your travel plans, it's possible to land a cheap fare right before your journey.
Is it cheaper to book a DAY to PHL flight and hotel package?
Compared with arranging hotels and flights separately, booking a DAY to PHL flight and hotel package with Expedia could result in significant savings. Better still, having everything in one easy place takes the hassle out of travel planning. Simply pick your flights and choose from our extensive range of hotels, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from James M. Cox Dayton Intl. Airport (DAY) to Philadelphia Intl. Airport (PHL)?
In most cases, you can cancel or modify your DAY to PHL flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you need more information, head to our Customer Service portal.

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*Available to One Key members.