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$221+ Cheap flights from Portland to Dayton (PDX - DAY)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DAY
Jun 17 — Jun 241
Wed 6/17
Wed 6/24
1 adult, Economy
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Cheap flight deals from Portland to Dayton

Cheapest flights from Portland to Dayton
Explore the most affordable flight options available from Portland to Dayton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 18, 2026.

This American Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:34 pm
PDX
-
DAY
1 stop7h 23m
American Airlines
Wed 6/35:54 pm
DAY
-
PDX
1 stop9h 03m
American Airlines
Deal found 5/13$346
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2211:30 pm
PDX
-
DAY
1 stop7h 18m
United Airlines
Thu 7/26:00 am
DAY
-
PDX
1 stop6h 34m
United Airlines
Deal found 5/17$349
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:30 pm
PDX
-
DAY
1 stop7h 18m
United Airlines
Tue 7/76:00 am
DAY
-
PDX
1 stop6h 34m
United Airlines
Deal found 5/18$414
This American Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/301:45 pm
PDX
-
DAY
1 stop6h 55m
American Airlines
Wed 6/35:54 pm
DAY
-
PDX
1 stop9h 03m
American Airlines
Deal found 5/15$419
This American Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1812:59 am
PDX
-
DAY
1 stop8h 03m
American Airlines
Tue 5/265:54 pm
DAY
-
PDX
1 stop8h 58m
American Airlines
Deal found 5/13$437
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2511:30 pm
PDX
-
DAY
1 stop7h 18m
United Airlines
Wed 8/195:25 am
DAY
-
PDX
1 stop7h 04m
United Airlines
Deal found 5/17$443
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:40 pm
PDX
-
DAY
1 stop8h 24m
United Airlines
Tue 8/185:25 am
DAY
-
PDX
1 stop7h 04m
United Airlines
Deal found 5/17$446
This American Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:07 am
PDX
-
DAY
1 stop8h 18m
American Airlines
Sat 7/255:57 pm
DAY
-
PDX
1 stop6h 53m
American Airlines
Deal found 5/16$447
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:40 pm
PDX
-
DAY
1 stop9h 24m
United Airlines
Thu 8/205:25 am
DAY
-
PDX
1 stop7h 04m
United Airlines
Deal found 5/17$449
This Alaska Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:40 am
PDX
-
DAY
1 stop9h 54m
Alaska Airlines
Thu 10/19:50 am
DAY
-
PDX
2 stops13h 59m
Alaska Airlines
Deal found 5/17$451
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2811:40 pm
PDX
-
DAY
1 stop8h 24m
United Airlines
Sat 7/42:23 pm
DAY
-
PDX
1 stop7h 27m
United Airlines
Deal found 5/17$463

Find flight deals from Portland to Dayton

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Dayton (DAY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$346
(United Airlines)

One-way from

$221
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$536
Provider with most accurate pricing for Portland-Dayton flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Dayton flights.
Search Deals
From Portland to Dayton
Search Deals
One-way flight from Portland to Dayton
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($120 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Dayton that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 18, 2026.
Use the filters below to find and compare flights from Portland to Dayton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandDayton

PDX - DAY

PDXDAY

Portland

Wed 5/27

1:34 pm-11:57 pm

1 stop7h 23m

Dayton

Wed 6/3

5:54 pm-11:57 pm

1 stop9h 03m

$346
Quickest round-trip

PortlandDayton

PDX - DAY

PDXDAY

Portland

Fri 7/3

11:30 pm-9:48 am

1 stop7h 18m

Dayton

Tue 7/7

6:00 am-9:34 am

1 stop6h 34m

$414

PortlandDayton

PDX - DAY

PDXDAY

Portland

Sat 7/25

11:30 pm-9:48 am

1 stop7h 18m

Dayton

Thu 8/20

5:25 am-9:29 am

1 stop7h 04m

$446

PortlandDayton

PDX - DAY

PDXDAY

Portland

Fri 5/29

11:30 pm-9:48 am

1 stop7h 18m

Dayton

Tue 6/2

2:53 pm-9:24 pm

1 stop9h 31m

$481

PortlandDayton

PDX - DAY

PDXDAY

Portland

Fri 6/12

11:30 pm-9:48 am

1 stop7h 18m

Dayton

Fri 6/19

6:10 pm-10:29 pm

1 stop7h 19m

$483

PortlandDayton

PDX - DAY

PDXDAY

Portland

Mon 6/22

11:30 pm-9:48 am

1 stop7h 18m

Dayton

Fri 7/3

2:23 pm-6:47 pm

1 stop7h 24m

$490

PortlandDayton

PDX - DAY

PDXDAY

Portland

Tue 7/28

11:30 pm-1:47 pm

2 stops11h 17m

Dayton

Sun 8/2

6:00 am-9:34 am

1 stop6h 34m

$498

PortlandDayton

PDX - DAY

PDXDAY

Portland

Sat 6/13

11:40 pm-11:04 am

1 stop8h 24m

Dayton

Fri 8/7

6:00 am-9:34 am

1 stop6h 34m

$505

PortlandDayton

PDX - DAY

PDXDAY

Portland

Mon 6/15

5:24 pm-10:38 am

2 stops14h 14m

Dayton

Sun 6/21

6:00 am-10:30 am

1 stop7h 30m

$508

PortlandDayton

PDX - DAY

PDXDAY

Portland

Fri 5/22

11:21 am-11:32 pm

1 stop9h 11m

Dayton

Mon 5/25

6:00 am-12:30 pm

2 stops9h 30m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

Showing 1-10 of 22 resultsSorted by cheapest first
1
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3

Compare providers for flights from Portland to Dayton

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Dayton in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Dayton flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Dayton flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Dayton flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Dayton flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Dayton flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Dayton

Have a flexible travel schedule? Discover the best time to fly to Dayton from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Dayton

What is the cheapest month to book a flight from Portland to Dayton?

Currently, October is the cheapest month in which you can book a flight from Portland to Dayton (average of $378). Flying from Portland to Dayton in March is currently the most expensive (average of $843). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Portland to Dayton?

Reviews of airlines servicing Dayton

Get insights into the airlines that provide service to Dayton. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dayton. Reviews last updated May 18, 2026.
Read reviews from past customers who have flown Alaska Airlines,Delta, andUnited Airlines from Portland to Dayton. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,378 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.0

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,378 reviews
Alaska Airlines
7.9
Good
12,378 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.0

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Delta
7.9
Good
8,447 reviews
Alaska Airlines
7.9
Good
12,378 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.0

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
United Airlines
7.4
Good
9,736 reviews
Alaska Airlines
7.9
Good
12,378 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.0

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
American Airlines
7.1
Good
11,648 reviews
Alaska Airlines
7.9
Good
12,378 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.0

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Related info for your journey

Find useful and relevant information for your journey from Portland to Dayton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portland to Dayton?

    Airlines like American Airlines and United Airlines fly from Portland to Dayton in about 7h 18m. The time it takes to get you to your destination can typically vary by up to 05m. The distance from Portland to Dayton is about 1965 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Portland to Dayton round-trip?

    Delta, at $306, was found to be the cheapest airline from Portland to Dayton.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Delta is 40% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Portland to Dayton one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $171. American Airlines flights start at $211 while deals on Alaska Airlines start at $213 one-way.

  • Can I find deals for flights from Portland to Dayton that include hotel bookings?

    Yes. In addition to deals on Portland to Dayton flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Dayton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Dayton.

  • Can I find deals for business class flights from Portland to Dayton?

    Yes. Cheapflights offers flight deals from Portland to Dayton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Dayton?

    Currently, October is the cheapest month in which you can book a flight from Portland to Dayton (average of $378). Flying from Portland to Dayton in March is currently the most expensive (average of $843). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Dayton?

Book flights to Dayton if you plan to visit one of these locations
Huber Heights
Springfield
Troy
Greenville
Xenia
Miamisburg

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Top 4 airlines flying from Portland to Dayton

Discover the top 4 airlines that operate flights from Portland to Dayton. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$306Average$483FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$308Average$433FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$323Average$472FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$378Average$634FlexibilityNo cancel feeOn-time75%

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