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$327+ Cheap flights from Portland, ME to Dayton (PWM - DAY)

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DAY
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheap flight deals from Portland to Dayton

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) 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 septiembre 15, 2025.

Round-trip from

$327
(United Airlines)

Popular in

January

Cheapest in

February

Average price

$328
From Portland to Dayton
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Highest demand for flights based on searches. 4% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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 septiembre 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/14. 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.
lun. 9/295:45 amPWM - DAY
1 stop4h 05mUnited Airlines
lun. 10/62:47 pmDAY - PWM
1 stop4h 54mUnited Airlines
Deal found 9/14$327
This United Airlines deal was found by Cheapflights users on 9/15. 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.
mar. 9/309:59 amPWM - DAY
1 stop4h 13mUnited Airlines
sáb. 10/47:43 pmDAY - PWM
1 stop4h 16mUnited Airlines
Deal found 9/15$329
This United Airlines deal was found by Cheapflights users on 9/13. 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.
sáb. 9/132:14 pmPWM - DAY
1 stop4h 34mUnited Airlines
lun. 9/1511:42 amDAY - PWM
1 stop6h 00mUnited Airlines
Deal found 9/13$339
This Delta deal was found by Cheapflights users on 9/13. 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.
sáb. 9/1312:40 pmPWM - DAY
2 stops10h 27mDelta
lun. 9/156:37 pmDAY - PWM
1 stop5h 34mDelta
Deal found 9/13$344
This American Airlines deal was found by Cheapflights users on 9/15. 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.
vie. 10/175:21 pmPWM - DAY
1 stop16h 39mAmerican Airlines
mar. 10/216:15 amDAY - PWM
1 stop4h 59mAmerican Airlines
Deal found 9/15$359
This United Airlines deal was found by Cheapflights users on 9/15. 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.
vie. 10/177:25 pmPWM - DAY
1 stop14h 25mUnited Airlines
mar. 10/219:00 amDAY - PWM
2 stops10h 41mUnited Airlines
Deal found 9/15$408

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 septiembre 15, 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

PWM - DAY

PWMDAY

Portland

lun. 9/29

5:45 am-9:50 am

1 stop4h 05m

Dayton

lun. 10/6

2:47 pm-7:41 pm

1 stop4h 54m

$327

PortlandDayton

PWM - DAY

PWMDAY

Portland

mar. 9/30

9:59 am-2:12 pm

1 stop4h 13m

Dayton

sáb. 10/4

7:43 pm-11:59 pm

1 stop4h 16m

$329

PortlandDayton

PWM - DAY

PWMDAY

Portland

vie. 10/17

5:21 pm-10:00 am

1 stop16h 39m

Dayton

mar. 10/21

7:23 pm-11:51 pm

1 stop4h 28m

$395

PortlandDayton

PWM - DAY

PWMDAY

Portland

vie. 10/17

7:25 pm-9:50 am

1 stop14h 25m

Dayton

mar. 10/21

9:00 am-6:23 pm

2 stops9h 23m

$408

PortlandDayton

PWM - DAY

PWMDAY

Portland

mié. 12/24

7:30 pm-2:16 pm

1 stop18h 46m

$431

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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

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

Currently, August is the cheapest month in which you can book a flight from Portland, Maine to Dayton (average of $325). Flying from Portland, Maine 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.

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 septiembre 15, 2025.
See what other customers who have flown with United Airlines and American Airlines from Portland to Dayton have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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.

  • How long is the flight from Portland, Maine to Dayton?

    For as low as $327, United Airlines can have you in Dayton from Portland, Maine in 4h 05m. Portland, Maine and Dayton are separated by a distance of 760 mi.

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

    Cheapflights users have booked flights from Portland, Maine to Dayton round-trip from $248. Another airline that can offer you cheap pricing is United Airlines. American Airlines is priced at 38% lower than the current average price of a flight leaving 3 months from now.

  • 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, Maine to Dayton?

    Currently, August is the cheapest month in which you can book a flight from Portland, Maine to Dayton (average of $325). Flying from Portland, Maine 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 Dayton?

Book flights to Dayton if you plan to visit one of these locations
Troy
Springfield
Xenia
Miamisburg
Richmond

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Top 2 airlines flying from Portland to Dayton

Discover the top 2 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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$439FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$318Average$393FlexibilityNo cancel feeOn-time69%

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