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$190+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DAY
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Dayton are usually found in January or February, 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 3, 2025.

Round-trip from

$289
(American Airlines)

One-way from

$190
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$503
From Portland to Dayton
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One-way flight from Portland to Dayton
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($10 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 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/1. 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 7/2812:59 amPDX - DAY
1 stop8h 15mAmerican Airlines
Tue 8/55:38 pmDAY - PDX
1 stop8h 26mAmerican Airlines
Deal found 7/1$289
This Delta deal was found by Cheapflights users on 7/1. 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.
Tue 7/299:30 pmPDX - DAY
1 stop9h 57mDelta
Tue 8/511:12 amDAY - PDX
2 stops13h 49mDelta
Deal found 7/1$294
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Wed 8/136:43 pmPDX - DAY
2 stops12h 08mUnited Airlines
Sat 9/1310:25 amDAY - PDX
2 stops13h 36mUnited Airlines
Deal found 7/2$389

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 3, 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

Mon 7/28

12:59 am-12:14 pm

1 stop8h 15m

Dayton

Tue 8/5

5:38 pm-11:04 pm

1 stop8h 26m

$289

PortlandDayton

PDX - DAY

PDXDAY

Portland

Tue 7/29

9:30 pm-10:27 am

1 stop9h 57m

Dayton

Tue 8/5

11:12 am-10:01 pm

2 stops13h 49m

$294

PortlandDayton

PDX - DAY

PDXDAY

Portland

Wed 8/13

6:43 pm-9:51 am

2 stops12h 08m

Dayton

Sat 9/13

10:25 am-9:01 pm

2 stops13h 36m

$389

PortlandDayton

PDX - DAY

PDXDAY

Portland

Tue 8/19

10:38 am-9:48 pm

1 stop8h 10m

$190

PortlandDayton

PDX - DAY

PDXDAY

Portland

Sat 8/16

11:20 pm-9:51 am

1 stop7h 31m

$235

PortlandDayton

PDX - DAY

PDXDAY

Portland

Thu 7/24

11:59 pm-8:38 pm

2 stops17h 39m

$263

PortlandDayton

PDX - DAY

PDXDAY

Portland

Sun 12/21

7:24 pm-11:24 am

2 stops13h 00m

$394

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 June 27, 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 3, 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.

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 3, 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
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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 45% 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 American Airlines, which is currently one of the cheapest options available, starting at $190. Delta flights start at $195 while deals on United Airlines start at $235 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, 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 Portland?

Book flights to Portland 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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$260Average$478FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$471FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$313Average$517FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$338Average$552FlexibilityNo cancel feeOn-time75%

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