Cheap flights from Portland to Dayton International

Compare Portland to Dayton International flight deals

Find the cheapest month or even day of the year to fly to Dayton International

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Flight deals from Portland to Dayton International

Looking for a cheap last-minute deal or the best return flight from Portland Airport to Dayton International Airport? If you want to travel next month, return fares start from $474. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Portland to Dayton International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Dayton International flights are currently cheapest in June.

Portland to Dayton International: Alternative routes

Compare routes from Portland to Dayton below. You may find an airport to fly into that's cheaper, faster, or easier than Dayton International.

Portland to Dayton: Flight information

The things to know before you go.
Cheapest flight found$309
Cheapest month to flyJune

Finding cheap flights from Portland to Dayton International: Frequently asked questions

The best price we found for a return flight from Portland to Dayton International is $441. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Portland to Dayton International. But we found flights with one or more stops from $441.
As of May 2026, there are no flights flying from Portland to Dayton International.
The cheapest month to fly from Portland to Dayton International is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Dayton International Airport on Wednesday, 27 May 2026.
No airlines currently offer direct flights between Portland Airport and Dayton International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Dayton International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Dayton is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Dayton International.

Travelling from Portland International Airport (PDX) to James M. Cox Dayton International Airport (DAY): what you need to know

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Show up at the airport on time to board your PDX to DAY flight.

  • You can expect longer queues in popular months such as July. Arriving up to four hours ahead of an international flight and two hours for domestic departures will give you ample time for security and boarding.

  • We make it simple to book a flight with a stopover. To see your options for tickets from Portland International Airport to James M. Cox Dayton International Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to tour the city of your choice. Popular stopovers between PDX and DAY include:

    • Denver International Airport

    • O'Hare International Airport

    • Dallas/Fort Worth International Airport

How to find the cheapest flights from Portland International Airport (PDX) to James M. Cox Dayton International Airport (DAY)

  • $309 is currently the best price for a one-way Portland International Airport to James M. Cox Dayton International Airport flight. A return flight starts from $441. These fares can change depending on availability and demand.

  • To find cheap tickets from PDX to DAY, book early. Airlines generally offer lower fares when flights are first made available.

  • The 'Whole month' search tool shows you the cheapest flights from Portland International Airport to James M. Cox Dayton International Airport throughout the entire month. It's a good way to find a bargain if your travel dates are flexible.

  • You won't have to check back in every day to find out if fares have gone down when you create a Price Alert. We'll notify you the moment there's a change in price on cheap flights from PDX to DAY.

  • Select your preferred departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Portland International Airport to James M. Cox Dayton International Airport.

Handy information about Portland International Airport (PDX)

  • You'll find PDX at 7000 NE Airport Way.

  • 83.65% of flights departing from Portland International Airport arrive at their destination according to schedule. With its reliable on-time performance, you're unlikely to be delayed when flying out of PDX.

  • Portland International Airport is around 19 kilometres from central Portland. If you're ride-sharing, catching a cab or driving from the centre, it'll take 20 minutes or so to get there, depending on the traffic.

  • Taking public transport? You can expect a journey time of around 45 minutes.

  • Searching for a handy hotel close to PDX? If you've booked an early flight from Portland International Airport to James M. Cox Dayton International Airport, these accommodation options will have you sleeping moments from your departure lounge:

Arriving at James M. Cox Dayton International Airport (DAY)

  • After your Portland International Airport to James M. Cox Dayton International Airport flight has landed, relax and unwind at a nearby hotel. Motel 6-Dayton, OH - Englewood is a convenient option that's not too far from DAY.

  • Grab a James M. Cox Dayton International Airport rental car and explore Dayton and beyond with your own wheels. Budget, Alamo and Avis are popular outlets you can book with here.

  • Reserving your vehicle from James M. Cox Dayton International Airport about one week ahead gives you the best chance of locking in a great deal.

Getting from James M. Cox Dayton International Airport (DAY) to central Dayton

  • You'll find DAY at Terminal Building.

  • From James M. Cox Dayton International Airport, Dayton is approximately 21 kilometres away. It takes around 15 minutes to get to the centre driving.

  • Getting there on public transport takes roughly 1 hour 15 minutes.

When to fly to James M. Cox Dayton International Airport (DAY)

  • It's time to pick your travel dates for your flight from Portland International Airport to James M. Cox Dayton International Airport. April is the busiest month to head to Dayton. If you want a more low-key vibe, go in February.

  • Lock in your flight from Portland International Airport to James M. Cox Dayton International Airport for July if you'd like to go to Dayton during its warmest month. You can expect temperatures of between 15ºC (59ºF) and 30ºC (86ºF).

  • Search for cheap tickets from PDX to DAY in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -11ºC (12ºF) and 6ºC (43ºF) on average.

Explore more of United States

  • Chicago is just one of the many cities in United States waiting to be discovered once you've seen Dayton. Around 370 kilometres away to the north-west, its best attractions include Millennium Park, Art Institute of Chicago and LandShark Beer Garden at Navy Pier.

  • Around 105 kilometres east of Dayton, Columbus is another favourite stop in United States. Get a taste of what this destination has to offer at Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.