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Cheap flights from Portland to Dayton from $238

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 5/15. 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.
Delta Logo
11:51 am - 12:17 am
PDX
-
DAY
9h 26m
1 stop
Delta Logo
6:00 am - 10:41 am
DAY
-
PDX
7h 41m
1 stop
$369Delta
Mon, Apr 20 - Tue, Apr 28
Delta Logo
7:32 pm - 10:43 am
PDX
-
DAY
12h 11m
2 stops
Delta Logo
6:00 am - 10:41 am
DAY
-
PDX
7h 41m
1 stop
$374Delta
Mon, Apr 20 - Tue, Apr 28
Delta Logo
12:30 am - 2:04 pm
PDX
-
DAY
10h 34m
2 stops
Delta Logo
2:49 pm - 11:53 pm
DAY
-
PDX
12h 04m
2 stops
$379Delta
Fri, Apr 17 - Tue, Apr 21
United Airlines Logo
11:59 pm - 10:57 am
PDX
-
DAY
7h 58m
1 stop
United Airlines Logo
7:15 am - 11:44 am
DAY
-
PDX
7h 29m
1 stop
$394United Airlines
Mon, Apr 6 - Sat, Apr 25
Delta Logo
7:32 pm - 10:43 am
PDX
-
DAY
12h 11m
2 stops
Delta Logo
2:49 pm - 10:02 pm
DAY
-
PDX
10h 13m
1 stop
$399Delta
Mon, Apr 20 - Fri, May 1
Delta Logo
12:30 am - 2:04 pm
PDX
-
DAY
10h 34m
2 stops
Delta Logo
11:20 am - 10:02 pm
DAY
-
PDX
13h 42m
2 stops
$404Delta
Mon, Apr 27 - Thu, May 7
American Airlines Logo
12:59 am - 12:02 pm
PDX
-
DAY
8h 03m
1 stop
American Airlines Logo
6:39 pm - 11:57 pm
DAY
-
PDX
8h 18m
1 stop
$419American Airlines
Mon, Apr 6 - Sat, Apr 11
Delta Logo
10:55 pm - 10:43 am
PDX
-
DAY
8h 48m
1 stop
Delta Logo
2:49 pm - 10:02 pm
DAY
-
PDX
10h 13m
1 stop
$424Delta
Sat, Apr 18 - Tue, Apr 21
United Airlines Logo
10:56 pm - 10:57 am
PDX
-
DAY
9h 01m
1 stop
United Airlines Logo
8:10 pm - 11:59 pm
DAY
-
PDX
6h 49m
1 stop
$426United Airlines
Thu, Apr 16 - Sun, Apr 19
Delta Logo
11:06 pm - 10:43 am
PDX
-
DAY
8h 37m
1 stop
Delta Logo
11:28 am - 9:56 pm
DAY
-
PDX
13h 28m
2 stops
$429Delta
Tue, Apr 28 - Wed, May 6

Delta flights from Portland to Dayton

Our best Delta deals on Portland to Dayton flight tickets
Delta
Apr 20
PDX11:51 amPortland
9h 26m
1 stop
DAY12:17 amDayton
Apr 28
DAY6:00 amDayton
7h 41m
1 stop
PDX10:41 amPortland
$369
Delta
Apr 20
PDX7:32 pmPortland
12h 11m
2 stops
DAY10:43 amDayton
Apr 28
DAY6:00 amDayton
7h 41m
1 stop
PDX10:41 amPortland
$374
Delta
Apr 17
PDX12:30 amPortland
10h 34m
2 stops
DAY2:04 pmDayton
Apr 21
DAY2:49 pmDayton
12h 04m
2 stops
PDX11:53 pmPortland
$379

United Airlines flights from Portland to Dayton

Our best United Airlines deals on Portland to Dayton flight tickets
United Airlines
Apr 6
PDX11:59 pmPortland
7h 58m
1 stop
DAY10:57 amDayton
Apr 25
DAY7:15 amDayton
7h 29m
1 stop
PDX11:44 amPortland
$394
United Airlines
Apr 6
PDX2:30 pmPortland
6h 29m
1 stop
DAY11:59 pmDayton
Apr 25
DAY9:10 amDayton
10h 23m
2 stops
PDX4:33 pmPortland
$429
United Airlines
Apr 17
PDX11:59 pmPortland
7h 58m
1 stop
DAY10:57 amDayton
Apr 18
DAY2:05 pmDayton
7h 29m
1 stop
PDX6:34 pmPortland
$463

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 March 24, 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

Cheapest round-trip

PortlandDayton

PDX - DAY

PDXDAY

Portland

Mon 4/20

11:51 am-12:17 am

1 stop9h 26m

Dayton

Tue 4/28

6:00 am-10:41 am

1 stop7h 41m

$369

PortlandDayton

PDX - DAY

PDXDAY

Portland

Mon 4/20

7:32 pm-10:43 am

2 stops12h 11m

Dayton

Tue 4/28

6:00 am-10:41 am

1 stop7h 41m

$374

PortlandDayton

PDX - DAY

PDXDAY

Portland

Fri 4/17

12:30 am-2:04 pm

2 stops10h 34m

Dayton

Tue 4/21

2:49 pm-11:53 pm

2 stops12h 04m

$379
Quickest round-trip

PortlandDayton

PDX - DAY

PDXDAY

Portland

Mon 4/6

11:59 pm-10:57 am

1 stop7h 58m

Dayton

Sat 4/25

7:15 am-11:44 am

1 stop7h 29m

$394

PortlandDayton

PDX - DAY

PDXDAY

Portland

Mon 4/20

7:32 pm-10:43 am

2 stops12h 11m

Dayton

Fri 5/1

2:49 pm-10:02 pm

1 stop10h 13m

$399

PortlandDayton

PDX - DAY

PDXDAY

Portland

Mon 4/27

12:30 am-2:04 pm

2 stops10h 34m

Dayton

Thu 5/7

11:20 am-10:02 pm

2 stops13h 42m

$404

PortlandDayton

PDX - DAY

PDXDAY

Portland

Mon 4/6

12:59 am-12:02 pm

1 stop8h 03m

Dayton

Sat 4/11

6:39 pm-11:57 pm

1 stop8h 18m

$419

PortlandDayton

PDX - DAY

PDXDAY

Portland

Sat 4/18

10:55 pm-10:43 am

1 stop8h 48m

Dayton

Tue 4/21

2:49 pm-10:02 pm

1 stop10h 13m

$424

PortlandDayton

PDX - DAY

PDXDAY

Portland

Thu 4/16

10:56 pm-10:57 am

1 stop9h 01m

Dayton

Sun 4/19

8:10 pm-11:59 pm

1 stop6h 49m

$426

PortlandDayton

PDX - DAY

PDXDAY

Portland

Tue 4/28

11:06 pm-10:43 am

1 stop8h 37m

Dayton

Wed 5/6

11:28 am-9:56 pm

2 stops13h 28m

$429

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 typical price of a round-trip flight between Portland and Dayton?

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 34% 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 March 2026, prices for Portland to Dayton flights are approximately 7% cheaper 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 18m

Direct flights

None
The fastest flight from Portland to Dayton takes 6h 18m
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 18m 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
7.1
11,491 reviews
Search American Airlines flights
United AirlinesPriceFrom $323Free CancellationRating
7.4
9,470 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $378Free CancellationRating
7.9
12,101 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
Fairborn
Miamisburg
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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