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$208+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DAY
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$344
(American Airlines)

One-way from

$208
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$623
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 June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2911:59 pmPDX - DAY
1 stop9h 15mAmerican Airlines
Sun 8/35:38 pmDAY - PDX
1 stop8h 26mAmerican Airlines
Deal found 6/9$344
This Delta deal was found by Cheapflights users on 6/11. 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 7/2911:00 pmPDX - DAY
1 stop8h 27mDelta
Sun 8/37:18 pmDAY - PDX
1 stop7h 41mDelta
Deal found 6/11$345
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Thu 7/1011:20 pmPDX - DAY
1 stop7h 31mUnited Airlines
Sat 7/122:52 pmDAY - PDX
1 stop8h 00mUnited Airlines
Deal found 6/9$373
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/106:02 pmPDX - DAY
2 stops23h 36mAllegiant Air
Sat 7/1211:31 amDAY - PDX
2 stops32h 41mAllegiant Air
Deal found 6/9$416
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/106:02 pmPDX - DAY
2 stops23h 36mMultiple Airlines
Sat 7/1211:31 amDAY - PDX
3 stops38h 15mMultiple Airlines
Deal found 6/9$470
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 8/287:00 amPDX - DAY
2 stops11h 47mAlaska Airlines
Fri 8/2912:43 pmDAY - PDX
1 stop6h 53mAlaska Airlines
Deal found 6/12$671

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 June 12, 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 7/29

11:59 pm-12:14 pm

1 stop9h 15m

Dayton

Sun 8/3

5:38 pm-11:04 pm

1 stop8h 26m

$344

PortlandDayton

PDX - DAY

PDXDAY

Portland

Tue 7/29

11:00 pm-10:27 am

1 stop8h 27m

Dayton

Sun 8/3

7:18 pm-11:59 pm

1 stop7h 41m

$345

PortlandDayton

PDX - DAY

PDXDAY

Portland

Thu 7/10

11:20 pm-9:51 am

1 stop7h 31m

Dayton

Sat 7/12

2:52 pm-7:52 pm

1 stop8h 00m

$373

PortlandDayton

PDX - DAY

PDXDAY

Portland

Thu 7/10

6:02 pm-8:38 pm

2 stops23h 36m

Dayton

Sat 7/12

11:31 am-5:12 pm

2 stops32h 41m

$416

PortlandDayton

PDX - DAY

PDXDAY

Portland

Thu 7/10

6:02 pm-8:38 pm

2 stops23h 36m

Dayton

Sat 7/12

11:31 am-10:46 pm

3 stops38h 15m

$470

PortlandDayton

PDX - DAY

PDXDAY

Portland

Thu 8/28

7:00 am-9:47 pm

2 stops11h 47m

Dayton

Fri 8/29

12:43 pm-4:36 pm

1 stop6h 53m

$671

PortlandDayton

PDX - DAY

PDXDAY

Portland

Thu 10/23

11:59 pm-11:07 am

1 stop8h 08m

$208

PortlandDayton

PDX - DAY

PDXDAY

Portland

Wed 10/22

12:40 am-3:14 pm

2 stops11h 34m

$404

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 9, 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 June is currently the most expensive (average of $402). 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 June 12, 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.

Rainfall in Dayton by month

Plan your trip to Dayton by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dayton ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit Dayton when rainfall is around 2.2 in.

Temperature in Dayton by month

Plan your trip to Dayton by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dayton, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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 June 12, 2025.
To help decide which airline to fly from Portland to Dayton, see what other customers have to say about Alaska Airlines, Delta and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
725 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $344, 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 34% 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 June is currently the most expensive (average of $402). 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
Troy
Springfield
Xenia
Miamisburg
Richmond

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Alternative routes for Portland to Dayton

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$260Average$478FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$488FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$340Average$540FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$355Average$522FlexibilityNo cancel feeOn-time75%

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