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$289+ Cheap flights from Dayton to Portland (DAY - PDX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — PDX
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Dayton to Portland are usually found in January or February, booked 66 days in advance, depart on a Saturday or Tuesday and return on a Wednesday

Cheap flight deals from Dayton to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Dayton (DAY) to Portland (PDX). 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 September 11, 2025.

Round-trip from

$289
(Delta)

Popular in

June

Cheapest in

January

Average price

$433
From Dayton to Portland
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Dayton to Portland

Cheapest flights from Dayton to Portland
Explore the most affordable flight options available from Dayton to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Delta deal was found by Cheapflights users on 9/9. 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.
Sat 11/151:22 pmDAY - PDX
1 stop9h 08mDelta
Mon 12/810:10 pmPDX - DAY
1 stop9h 24mDelta
Deal found 9/9$289
This Delta deal was found by Cheapflights users on 9/9. 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.
Sat 11/151:22 pmDAY - PDX
1 stop9h 08mDelta
Fri 12/512:32 amPDX - DAY
2 stops11h 58mDelta
Deal found 9/9$294
This Delta deal was found by Cheapflights users on 9/9. 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.
Sat 11/156:00 amDAY - PDX
2 stops9h 48mDelta
Tue 12/910:05 amPDX - DAY
2 stops10h 05mDelta
Deal found 9/9$299
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/172:50 pmDAY - PDX
2 stops11h 06mUnited Airlines
Mon 12/811:59 pmPDX - DAY
1 stop8h 09mUnited Airlines
Deal found 9/9$309
This Delta deal was found by Cheapflights users on 9/9. 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 11/194:10 pmDAY - PDX
1 stop9h 11mDelta
Mon 12/810:10 pmPDX - DAY
1 stop9h 24mDelta
Deal found 9/9$314
This Delta deal was found by Cheapflights users on 9/9. 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 11/194:10 pmDAY - PDX
1 stop9h 11mDelta
Fri 12/512:32 amPDX - DAY
2 stops11h 58mDelta
Deal found 9/9$319
This Delta deal was found by Cheapflights users on 9/9. 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 11/184:10 pmDAY - PDX
1 stop9h 11mDelta
Mon 12/810:10 pmPDX - DAY
1 stop9h 24mDelta
Deal found 9/9$339
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 11/65:50 pmDAY - PDX
1 stop7h 43mUnited Airlines
Tue 11/118:30 amPDX - DAY
2 stops8h 45mUnited Airlines
Deal found 9/10$342
This Delta deal was found by Cheapflights users on 9/9. 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.
Fri 11/144:10 pmDAY - PDX
1 stop9h 11mDelta
Mon 12/810:10 pmPDX - DAY
1 stop9h 24mDelta
Deal found 9/9$344
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/511:43 amDAY - PDX
2 stops9h 09mUnited Airlines
Tue 11/118:30 amPDX - DAY
2 stops8h 45mUnited Airlines
Deal found 9/10$347
This Delta deal was found by Cheapflights users on 9/9. 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.
Fri 11/144:10 pmDAY - PDX
1 stop9h 11mDelta
Tue 12/910:05 amPDX - DAY
2 stops10h 05mDelta
Deal found 9/9$349
This Delta deal was found by Cheapflights users on 9/9. 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 9/161:16 pmDAY - PDX
1 stop8h 42mDelta
Fri 10/310:05 pmPDX - DAY
1 stop9h 17mDelta
Deal found 9/9$354

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dayton to Portland 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 September 11, 2025.
Use the filters below to find and compare flights from Dayton to Portland that are best for you.

Fly from

Dayton

Fly to

Portland

Route

Depart

Return

Price

DaytonPortland

DAY - PDX

DAYPDX

Dayton

Wed 11/5

8:55 am-1:47 pm

1 stop7h 52m

Portland

Tue 11/11

12:55 pm-10:15 pm

1 stop6h 20m

$289

DaytonPortland

DAY - PDX

DAYPDX

Dayton

Thu 11/6

7:06 am-12:57 pm

1 stop8h 51m

Portland

Tue 11/11

11:43 am-11:59 pm

1 stop9h 16m

$289

DaytonPortland

DAY - PDX

DAYPDX

Dayton

Fri 10/17

1:38 pm-6:31 pm

1 stop7h 53m

Portland

Mon 10/20

8:35 am-8:09 pm

1 stop8h 34m

$289

DaytonPortland

DAY - PDX

DAYPDX

Dayton

Tue 11/18

11:43 am-6:40 pm

1 stop9h 57m

Portland

Tue 12/2

11:59 pm-11:08 am

1 stop8h 09m

$289

DaytonPortland

DAY - PDX

DAYPDX

Dayton

Sat 10/18

7:21 am-1:03 pm

2 stops8h 42m

Portland

Tue 10/21

10:50 am-10:04 pm

1 stop8h 14m

$294

DaytonPortland

DAY - PDX

DAYPDX

Dayton

Sat 11/15

1:22 pm-8:47 pm

2 stops10h 25m

Portland

Mon 12/8

7:22 pm-10:34 am

2 stops12h 12m

$299

DaytonPortland

DAY - PDX

DAYPDX

Dayton

Wed 11/19

6:00 am-12:48 pm

2 stops9h 48m

Portland

Fri 12/5

12:32 am-3:30 pm

2 stops11h 58m

$299

DaytonPortland

DAY - PDX

DAYPDX

Dayton

Tue 11/18

4:10 pm-11:58 pm

2 stops10h 48m

Portland

Mon 12/8

7:22 pm-10:34 am

2 stops12h 12m

$299

DaytonPortland

DAY - PDX

DAYPDX

Dayton

Mon 9/29

4:36 pm-9:47 pm

1 stop8h 11m

$304

DaytonPortland

DAY - PDX

DAYPDX

Dayton

Sun 9/28

4:36 pm-9:47 pm

1 stop8h 11m

$350

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 11 results
1
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Best time to book a flight from Dayton to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Dayton 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 Dayton to Portland

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

Use this chart to determine the optimal time to book a round-trip flight from Dayton to Portland. Price data was last updated on August 29, 2025.

The best time to book flights from Dayton to Portland is 66 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Dayton to Portland (average of $277). Flying from Dayton to Portland in March is currently the most expensive (average of $368). 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 DAY to PDX?

Find hourly flight availability from Dayton to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

One of the essential ways to save on airfare from Dayton to Portland is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 19% on airfare.

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

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated September 11, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Dayton to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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 Dayton to Portland. 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 Dayton to Portland?

    A quick flight from Dayton to Portland can take about 7h 52m. United Airlines provides one of the quickest options available for as low as $289. Dayton and Portland are separated by a distance of 1965 mi. This flight may include one or multiple stops.

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

    United Airlines, at $288, was found to be the cheapest airline from Dayton to Portland.Alternate airlines to your destination round-trip include Delta and American Airlines. United Airlines is 42% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dayton to Portland 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 Dayton to Portland?

    Currently, November is the cheapest month in which you can book a flight from Dayton to Portland (average of $277). Flying from Dayton to Portland in March is currently the most expensive (average of $368). 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
Vancouver
Seaside
Beaverton
Clackamas
McMinnville
Lake Oswego
Hillsboro
Cannon Beach
Long Beach
Longview
Lincoln City
Tigard
Depoe Bay
Stevenson
Wilsonville
Pacific City
Troutdale
Tillamook
Gresham
Silverton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dayton to Portland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Dayton to Portland

Discover the top 3 airlines that operate flights from Dayton to Portland. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$288Average$495FlexibilityNo cancel feeOn-time69%
DeltaCheapest$288Average$453FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$313Average$485FlexibilityNo cancel feeOn-time71%

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