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$238+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DAY
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Dayton are usually found in January or October, booked 86 days in advance, depart on a Wednesday or Friday and return on a Saturday

Cheap 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 July 29, 2025.

Round-trip from

$289
(American Airlines)

One-way from

$238
(Delta)

Popular in

December

Cheapest in

January

Average price

$487
From Portland to Dayton
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One-way flight from Portland to Dayton
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Highest demand for flights based on searches. 1% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/26. 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.
Tue 10/2111:59 pmPDX - DAY
1 stop9h 13mAmerican Airlines
Tue 10/281:08 pmDAY - PDX
1 stop10h 06mAmerican Airlines
Deal found 7/26$289
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/512:50 amPDX - DAY
2 stops10h 42mDelta
Wed 11/123:55 pmDAY - PDX
1 stop9h 37mDelta
Deal found 7/28$319
This United Airlines deal was found by Cheapflights users on 7/28. 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 11/711:59 pmPDX - DAY
1 stop8h 09mUnited Airlines
Sat 11/82:10 pmDAY - PDX
1 stop7h 30mUnited Airlines
Deal found 7/28$373

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 July 29, 2025.
Use the filters below to find and compare flights from Portland to Dayton that are best for you.

Fly from

Portland

Fly to

Dayton

Route

Depart

Return

Price

PortlandDayton

PDX - DAY

PDXDAY

Portland

Tue 10/21

11:59 pm-12:12 pm

1 stop9h 13m

Dayton

Tue 10/28

1:08 pm-8:14 pm

1 stop10h 06m

$289

PortlandDayton

PDX - DAY

PDXDAY

Portland

Wed 11/5

12:50 am-2:32 pm

2 stops10h 42m

Dayton

Wed 11/12

3:55 pm-10:32 pm

1 stop9h 37m

$319

PortlandDayton

PDX - DAY

PDXDAY

Portland

Fri 11/7

11:59 pm-11:08 am

1 stop8h 09m

Dayton

Sat 11/8

2:10 pm-6:40 pm

1 stop7h 30m

$373

PortlandDayton

PDX - DAY

PDXDAY

Portland

Fri 9/19

10:05 pm-10:22 am

1 stop9h 17m

$238

PortlandDayton

PDX - DAY

PDXDAY

Portland

Fri 9/19

10:51 am-2:14 pm

3 stops24h 23m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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

How far ahead should I book a flight from Portland to Dayton?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Dayton. Price data was last updated on July 25, 2025.

Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to Dayton. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Portland to Dayton (average of $325). Flying from Portland to Dayton in March is currently the most expensive (average of $396). 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.

What is the cheapest time of day to fly from PDX to DAY?

Find hourly flight availability from Portland to Dayton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 16% on flights from Portland to Dayton by exploring options for tickets in the afternoon.

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 July 29, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American 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.
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    American Airlines, at $289, was found to be the cheapest airline from Portland to Dayton.Alternate airlines to your destination round-trip include Delta and United Airlines. American Airlines is 44% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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, August is the cheapest month in which you can book a flight from Portland to Dayton (average of $325). Flying from Portland to Dayton in March is currently the most expensive (average of $396). 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
Springfield
Troy
Xenia
Miamisburg
Richmond

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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$260Average$484FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$466FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$313Average$515FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$378Average$552FlexibilityNo cancel feeOn-time75%

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