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Cheap flights from Portland to Dayton from $189

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Dayton departing on 3/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Portland to Dayton

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:59 pm - 12:11 pm
PDX
-
DAY
9h 12m
1 stop
American Airlines Logo
5:35 pm - 12:15 am
DAY
-
PDX
9h 40m
1 stop
$309American Airlines
Fri, Mar 27 - Fri, Apr 3
Delta Logo
10:55 pm - 1:59 pm
PDX
-
DAY
12h 04m
2 stops
Delta Logo
6:40 pm - 11:59 pm
DAY
-
PDX
8h 19m
1 stop
$314Delta
Tue, Jul 7 - Tue, Jul 14
United Airlines Logo
11:40 pm - 11:04 am
PDX
-
DAY
8h 24m
1 stop
United Airlines Logo
6:05 pm - 11:53 pm
DAY
-
PDX
8h 48m
1 stop
$334United Airlines
Thu, May 21 - Tue, May 26
United Airlines Logo
2:10 pm - 11:39 pm
PDX
-
DAY
6h 29m
1 stop
United Airlines Logo
9:00 am - 5:44 pm
DAY
-
PDX
11h 44m
2 stops
$379United Airlines
Tue, Apr 7 - Tue, Apr 14
United Airlines Logo
10:55 pm - 10:57 am
PDX
-
DAY
9h 02m
1 stop
United Airlines Logo
7:22 pm - 11:58 pm
DAY
-
PDX
7h 36m
1 stop
$399United Airlines
Fri, Apr 3 - Mon, Apr 6
American Airlines Logo
11:59 pm - 12:11 pm
PDX
-
DAY
9h 12m
1 stop
American Airlines Logo
5:35 pm - 12:15 am
DAY
-
PDX
9h 40m
1 stop
$407American Airlines
Wed, Mar 18 - Mon, Mar 23
United Airlines Logo
7:14 pm - 10:57 am
PDX
-
DAY
12h 43m
2 stops
United Airlines Logo
7:15 am - 5:44 pm
DAY
-
PDX
13h 29m
2 stops
$409United Airlines
Tue, Apr 7 - Tue, Apr 14
Delta Logo
12:09 pm - 10:43 pm
PDX
-
DAY
7h 34m
1 stop
Delta Logo
6:00 am - 10:52 am
DAY
-
PDX
7h 52m
1 stop
$419Delta
Fri, Feb 27 - Tue, Mar 3
Delta Logo
12:09 pm - 10:43 pm
PDX
-
DAY
7h 34m
1 stop
Delta Logo
6:00 am - 12:44 pm
DAY
-
PDX
9h 44m
2 stops
$424Delta
Fri, Feb 27 - Tue, Mar 3
United Airlines Logo
10:40 pm - 10:23 pm
PDX
-
DAY
20h 43m
1 stop
United Airlines Logo
6:00 am - 9:34 am
DAY
-
PDX
6h 34m
1 stop
$427United Airlines
Thu, Jun 25 - Mon, Jun 29

Alaska Airlines flights from Portland to Dayton

Our best Alaska Airlines deals on Portland to Dayton flight tickets
Alaska Airlines
Feb 28
PDX10:45 amPortland
8h 25m
1 stop
DAY10:10 pmDayton
Mar 6
DAY12:41 pmDayton
7h 09m
1 stop
PDX4:50 pmPortland
$449
Alaska Airlines
Mar 27
PDX10:35 amPortland
8h 30m
1 stop
DAY10:05 pmDayton
Apr 3
DAY12:41 pmDayton
14h 18m
2 stops
PDX11:59 pmPortland
$488
Alaska Airlines
Mar 27
PDX10:35 amPortland
8h 30m
1 stop
DAY10:05 pmDayton
Apr 3
DAY12:41 pmDayton
14h 18m
2 stops
PDX11:59 pmPortland
$499

United Airlines flights from Portland to Dayton

Our best United Airlines deals on Portland to Dayton flight tickets
United Airlines
May 21
PDX11:40 pmPortland
8h 24m
1 stop
DAY11:04 amDayton
May 26
DAY6:05 pmDayton
8h 48m
1 stop
PDX11:53 pmPortland
$334
United Airlines
Apr 7
PDX2:10 pmPortland
6h 29m
1 stop
DAY11:39 pmDayton
Apr 14
DAY9:00 amDayton
11h 44m
2 stops
PDX5:44 pmPortland
$379
United Airlines
Apr 3
PDX10:55 pmPortland
9h 02m
1 stop
DAY10:57 amDayton
Apr 6
DAY7:22 pmDayton
7h 36m
1 stop
PDX11:58 pmPortland
$399

momondo 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, momondo users made 832,500 searches. Data last updated February 16, 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

PortlandDayton

PDX - DAY

PDXDAY

Portland

Fri 3/27

11:59 pm-12:11 pm

1 stop9h 12m

Dayton

Fri 4/3

5:35 pm-12:15 am

1 stop9h 40m

$309

PortlandDayton

PDX - DAY

PDXDAY

Portland

Tue 7/7

10:55 pm-1:59 pm

2 stops12h 04m

Dayton

Tue 7/14

6:40 pm-11:59 pm

1 stop8h 19m

$314

PortlandDayton

PDX - DAY

PDXDAY

Portland

Thu 5/21

11:40 pm-11:04 am

1 stop8h 24m

Dayton

Tue 5/26

6:05 pm-11:53 pm

1 stop8h 48m

$334

PortlandDayton

PDX - DAY

PDXDAY

Portland

Tue 4/7

2:10 pm-11:39 pm

1 stop6h 29m

Dayton

Tue 4/14

9:00 am-5:44 pm

2 stops11h 44m

$379

PortlandDayton

PDX - DAY

PDXDAY

Portland

Fri 4/3

10:55 pm-10:57 am

1 stop9h 02m

Dayton

Mon 4/6

7:22 pm-11:58 pm

1 stop7h 36m

$399

PortlandDayton

PDX - DAY

PDXDAY

Portland

Wed 3/18

11:59 pm-12:11 pm

1 stop9h 12m

Dayton

Mon 3/23

5:35 pm-12:15 am

1 stop9h 40m

$407

PortlandDayton

PDX - DAY

PDXDAY

Portland

Tue 4/7

7:14 pm-10:57 am

2 stops12h 43m

Dayton

Tue 4/14

7:15 am-5:44 pm

2 stops13h 29m

$409

PortlandDayton

PDX - DAY

PDXDAY

Portland

Fri 2/27

12:09 pm-10:43 pm

1 stop7h 34m

Dayton

Tue 3/3

6:00 am-10:52 am

1 stop7h 52m

$419

PortlandDayton

PDX - DAY

PDXDAY

Portland

Fri 2/27

12:09 pm-10:43 pm

1 stop7h 34m

Dayton

Tue 3/3

6:00 am-12:44 pm

2 stops9h 44m

$424

PortlandDayton

PDX - DAY

PDXDAY

Portland

Thu 6/25

10:40 pm-10:23 pm

1 stop20h 43m

Dayton

Mon 6/29

6:00 am-9:34 am

1 stop6h 34m

$427

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Dayton from

How to get the cheapest flight ticket from Portland to Dayton

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Dayton?

The month of October is, on average, the cheapest month to fly to Dayton from Portland, with most prices found around $378. The month of January is another great option to travel to Dayton, with average flight prices from Portland averaging around $411.

Can stopping save me money on Portland to Dayton flights?

You could potentially save up to 19% on your flight if you consider stops on a Portland to Dayton flight.

How have Portland to Dayton flight prices changed over time?

As of February 2026, prices for Portland to Dayton flights are approximately 52% more expensive when compared to flights at the same time last year.

When to book flights from Portland to Dayton

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Dayton according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Dayton (PDX to DAY) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Dayton

Fastest flight time

6h 30m

Direct flights

None
The fastest flight from Portland to Dayton takes 6h 30m
There are no direct flights from Portland to Dayton. There are no popular flight routes from Portland to Dayton.
Search flight deals

  • How far is Portland to Dayton by plane?

    The straight-line distance from Portland to Dayton is 1975.0 mi. Typically, this will take 6h 30m by plane in normal conditions.

  • When did momondo last update prices for flights from Portland Airport to Dayton Airport?

    Prices for flights from Portland Airport to Dayton Airport refresh daily.

  • How many operators does momondo search for flights from Portland Airport to Dayton Airport?

  • How old do you have to be to fly from Portland Airport to Dayton Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Dayton Airport.

  • What documentation or ID do you need to fly to Dayton Airport?

    The necessary travel and health documents for your Dayton Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Portland to Dayton?

Best airlines flying from Portland to Dayton

Compare and see reviews for airlines that fly from Portland to Dayton with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $288Free CancellationRating
7.2
11,294 reviews
Search American Airlines flights
DeltaPriceFrom $306Free CancellationRating
7.9
8,204 reviews
Search Delta flights
United AirlinesPriceFrom $313Free CancellationRating
7.4
9,299 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $433Free CancellationRating
8.0
11,884 reviews
Search Alaska Airlines flights

Traveling to a place near Dayton?

Book flights to Dayton if you plan to visit one of these locations
Richmond
Springfield
Troy
Miamisburg
Fairborn
Huber Heights
Beavercreek
Xenia
Sidney
Greenville
Winchester

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Dayton?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Dayton for you.

Can I find flights from Portland to Dayton with flexible booking policies on momondo?

momondo does allow users to show only those flights to Dayton from Portland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portland to Dayton?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Dayton.

I’m not ready to book a flight from Portland to Dayton right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Portland to Dayton flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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