$136 Cheap Flights from Dayton (DAY) to Portland (PWM)

View $136 flight on Sun, Aug 31, 2025Opens in a new window

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

Cheap Flights from Dayton to Portland (DAY-PWM)

Prices were available within the past 7 days and start at $136 for one-way flights and $249 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Nov 1 - Tue, Nov 18
DAY
Dayton
PWM
Portland
$249 Roundtrip, found 1 hour ago
$249
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Nov 1 from Dayton to Portland, returning Tue, Nov 18, priced at $249 found 1 hour ago
United
Tue, Sep 23 - Tue, Sep 30
DAY
Dayton
PWM
Portland
$249 Roundtrip, found 2 days ago
$249
Roundtrip
found 2 days ago
Select United flight, departing Tue, Sep 23 from Dayton to Portland, returning Tue, Sep 30, priced at $249 found 2 days ago
American Airlines
Sat, Aug 30 - Fri, Sep 5
DAY
Dayton
PWM
Portland
$254 Roundtrip, found 21 hours ago
$254
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Sat, Aug 30 from Dayton to Portland, returning Fri, Sep 5, priced at $254 found 21 hours ago
Delta
Tue, Nov 11 - Sun, Nov 23
DAY
Dayton
PWM
Portland
$254 Roundtrip, found 1 hour ago
$254
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Nov 11 from Dayton to Portland, returning Sun, Nov 23, priced at $254 found 1 hour ago
Delta
Tue, Aug 26 - Sat, Aug 30
DAY
Dayton
PWM
Portland
$259 Roundtrip, found 2 hours ago
$259
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Aug 26 from Dayton to Portland, returning Sat, Aug 30, priced at $259 found 2 hours ago
Delta
Tue, Aug 26 - Wed, Sep 3
DAY
Dayton
PWM
Portland
$259 Roundtrip, found 7 hours ago
$259
Roundtrip
found 7 hours ago
Select Delta flight, departing Tue, Aug 26 from Dayton to Portland, returning Wed, Sep 3, priced at $259 found 7 hours ago
Delta
Wed, Nov 26 - Wed, Dec 10
DAY
Dayton
PWM
Portland
$265 Roundtrip, found 1 hour ago
$265
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Nov 26 from Dayton to Portland, returning Wed, Dec 10, priced at $265 found 1 hour ago
American Airlines
Wed, Oct 1 - Wed, Oct 15
DAY
Dayton
PWM
Portland
$271 Roundtrip, found 5 hours ago
$271
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Wed, Oct 1 from Dayton to Portland, returning Wed, Oct 15, priced at $271 found 5 hours ago
Delta
Sun, Dec 7 - Thu, Dec 25
DAY
Dayton
PWM
Portland
$274 Roundtrip, found 1 hour ago
$274
Roundtrip
found 1 hour ago
Select Delta flight, departing Sun, Dec 7 from Dayton to Portland, returning Thu, Dec 25, priced at $274 found 1 hour ago
American Airlines
Mon, Sep 15 - Tue, Sep 23
DAY
Dayton
PWM
Portland
$274 Roundtrip, found 2 hours ago
$274
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Mon, Sep 15 from Dayton to Portland, returning Tue, Sep 23, priced at $274 found 2 hours ago

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

October is typically the cheapest month to fly

From $228 - $592 per traveler.

Graph displaying average flight prices per month

Alternative airports near Portland

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

Select flight to Portland Intl. Jetport PWM. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $259
PWM
Portland Intl. Jetport
CheapestClosest
Average driving time to city center8 min
Flights from $259
Flights from Dayton (DAY) to Portland (PWM)
Origin airport
James M. Cox Dayton Intl.
Destination airport
Portland Intl. Jetport
Airlines serving
American Airlines, Delta, United
Roundtrip price
$248
Distance
760 mi

Dayton to Portland Flights

The cheapest times to fly from Dayton to Portland

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

 

The best time to book a flight from Dayton to Portland

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

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 Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $136 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 Portland 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 Portland 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 Portland Intl. Jetport Airport (PWM) cost?
Get a cheap one-way flight from $136 or cheap return flight from $249 from James M. Cox Dayton Intl. Airport (DAY) to Portland Intl. Jetport Airport (PWM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from James M. Cox Dayton Intl. Airport (DAY) to Portland Intl. Jetport Airport (PWM)?
The cheapest month to fly from DAY to PWM is November, when demand is low. Off-peak months are usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from James M. Cox Dayton Intl. Airport (DAY) to Portland Intl. Jetport Airport (PWM)?
To find the cheapest airline flying from DAY to PWM, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from James M. Cox Dayton Intl. Airport (DAY) to Portland Intl. Jetport Airport (PWM)?
You'll have to take a flight with a layover when traveling from James M. Cox Dayton Intl. Airport (DAY) to Portland Intl. Jetport Airport (PWM). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from DAY to PWM?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from James M. Cox Dayton Intl. Airport (DAY) to Portland Intl. Jetport Airport (PWM)?
Select a flight from James M. Cox Dayton Intl. Airport (DAY) to Portland Intl. Jetport Airport (PWM) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Later departures 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.
Is it cheaper to buy a plane ticket from James M. Cox Dayton Intl. Airport (DAY) to Portland Intl. Jetport Airport (PWM) last-minute?
Booking your ticket from DAY to PWM right before your getaway is usually more expensive. However, if you're flexible with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a DAY to PWM flight and hotel package?
Opting for a DAY to PWM flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our wide range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from James M. Cox Dayton Intl. Airport (DAY) to Portland Intl. Jetport Airport (PWM)?
Typically, you're able to cancel or reschedule your DAY to PWM flight. However, there may be additional charges, 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'd like more details, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.