$176 Cheap Flights from Portland (PWM) to Dayton (DAY)

View $176 flight on Thu, Nov 27, 2025Opens in a new window

Popular airlines from Portland Intl. Jetport Airport (PWM) to Dayton Intl. Airport (DAY)

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Cheap Flights from Portland to Dayton (PWM-DAY)

Prices were available within the past 7 days and start at $176 for one-way flights and $249 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Nov 18 - Thu, Nov 27
PWM
Portland
DAY
Dayton
$249 Roundtrip, found 8 hours ago
$249
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Nov 18 from Portland to Dayton, returning Thu, Nov 27, priced at $249 found 8 hours ago
Delta
Wed, Oct 29 - Wed, Nov 5
PWM
Portland
DAY
Dayton
$254 Roundtrip, found 4 days ago
$254
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Oct 29 from Portland to Dayton, returning Wed, Nov 5, priced at $254 found 4 days ago
United
Thu, Nov 20 - Fri, Nov 28
PWM
Portland
DAY
Dayton
$254 Roundtrip, found 8 hours ago
$254
Roundtrip
found 8 hours ago
Select United flight, departing Thu, Nov 20 from Portland to Dayton, returning Fri, Nov 28, priced at $254 found 8 hours ago
American Airlines
Fri, Oct 31 - Tue, Nov 4
PWM
Portland
DAY
Dayton
$259 Roundtrip, found 4 days ago
$259
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Oct 31 from Portland to Dayton, returning Tue, Nov 4, priced at $259 found 4 days ago
Delta
Thu, Oct 30 - Wed, Nov 5
PWM
Portland
DAY
Dayton
$259 Roundtrip, found 4 days ago
$259
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Oct 30 from Portland to Dayton, returning Wed, Nov 5, priced at $259 found 4 days ago
United
Fri, Oct 31 - Tue, Nov 4
PWM
Portland
DAY
Dayton
$264 Roundtrip, found 4 days ago
$264
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 31 from Portland to Dayton, returning Tue, Nov 4, priced at $264 found 4 days ago
Delta
Thu, Nov 27 - Tue, Dec 9
PWM
Portland
DAY
Dayton
$265 Roundtrip, just found
$265
Roundtrip
just found
Select Delta flight, departing Thu, Nov 27 from Portland to Dayton, returning Tue, Dec 9, priced at $265 just found
United
Fri, Oct 31 - Tue, Nov 4
PWM
Portland
DAY
Dayton
$267 Roundtrip, found 4 days ago
$267
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 31 from Portland to Dayton, returning Tue, Nov 4, priced at $267 found 4 days ago
United
Fri, Oct 31 - Tue, Nov 4
PWM
Portland
DAY
Dayton
$269 Roundtrip, found 4 days ago
$269
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 31 from Portland to Dayton, returning Tue, Nov 4, priced at $269 found 4 days ago
United
Fri, Oct 31 - Tue, Nov 4
PWM
Portland
DAY
Dayton
$273 Roundtrip, found 4 days ago
$273
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 31 from Portland to Dayton, returning Tue, Nov 4, priced at $273 found 4 days ago

Find the cheapest month to fly from Portland (PWM) to Dayton (DAY)

May is typically the cheapest month to fly

From $223 - $515 per traveler.

Alternative airports near Dayton

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

Select flight to James M. Cox Dayton Intl. DAY. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $408
DAY
James M. Cox Dayton Intl.
Cheapest
Average driving time to city center16 min
Flights from $408
Flights from Portland (PWM) to Dayton (DAY)
Origin airport
Portland Intl. Jetport
Destination airport
James M. Cox Dayton Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$248
Distance
760 mi

Portland to Dayton Flights

The cheapest times to fly from Portland to Dayton

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 Portland to Dayton are during the month of November. You can find some of the cheapest flights from Portland to Dayton with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Dayton

Sunday is one of the best days to book for cheap flights from Portland to Dayton: 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 Portland to Dayton

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 Portland to Dayton in 2025. You can also book with separate airlines for your outbound and return journeys, from $176 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 Portland to Dayton 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 Portland to Dayton 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 Portland Intl. Jetport Airport (PWM) to James M. Cox Dayton Intl. Airport (DAY) cost?
Grab a cheap one-way flight from $176 or cheap return flight from $249 from Portland Intl. Jetport Airport (PWM) to James M. Cox Dayton Intl. Airport (DAY) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Portland Intl. Jetport Airport (PWM) to James M. Cox Dayton Intl. Airport (DAY)?
Planning your getaway for November may help you find better deals, as it's the cheapest month for flights between PWM and DAY. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Portland Intl. Jetport Airport (PWM) to James M. Cox Dayton Intl. Airport (DAY)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PWM to DAY. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Portland Intl. Jetport Airport (PWM) to James M. Cox Dayton Intl. Airport (DAY)?
Nonstop flights from Portland Intl. Jetport Airport (PWM) to James M. Cox Dayton Intl. Airport (DAY) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PWM to DAY?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a number of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Jetport Airport (PWM) to James M. Cox Dayton Intl. Airport (DAY)?
To avoid potential delays on the Portland Intl. Jetport Airport (PWM) to James M. Cox Dayton Intl. Airport (DAY) route, fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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.
Is it cheaper to buy a plane ticket from Portland Intl. Jetport Airport (PWM) to James M. Cox Dayton Intl. Airport (DAY) last-minute?
Booking your plane ticket from PWM to DAY just before your trip is typically more expensive. However, if there's some wiggle room with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a PWM to DAY flight and hotel package?
Securing a PWM to DAY flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our wide range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland Intl. Jetport Airport (PWM) to James M. Cox Dayton Intl. Airport (DAY)?
If you booked your PWM to DAY flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.