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$309+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DAY
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$344
(United Airlines)

Popular in

October

Cheapest in

February

Average price

$388
Provider with most accurate pricing for Portland-Dayton flight deals.
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Provider most trusted by Cheapflights users for Portland-Dayton flights.
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From Portland to Dayton
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Highest demand for flights based on searches. 21% potential increase in price ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 15, 2026.

This United Airlines deal was found by Cheapflights users on 1/15. 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.
Sat 1/244:10 pm
PWM
-
DAY
1 stop7h 34m
United Airlines
Sat 1/319:50 am
DAY
-
PWM
1 stop4h 39m
United Airlines
Deal found 1/15$309
This Delta deal was found by Cheapflights users on 1/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/246:00 am
PWM
-
DAY
2 stops9h 07m
Delta
Sat 1/314:00 pm
DAY
-
PWM
1 stop6h 27m
Delta
Deal found 1/15$314
This United Airlines deal was found by Cheapflights users on 1/13. 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.
Sat 1/314:10 pm
PWM
-
DAY
1 stop7h 34m
United Airlines
Tue 2/39:05 am
DAY
-
PWM
1 stop5h 34m
United Airlines
Deal found 1/13$344
This United Airlines deal was found by Cheapflights users on 1/15. 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.
Fri 1/304:10 pm
PWM
-
DAY
1 stop5h 52m
United Airlines
Tue 2/39:50 am
DAY
-
PWM
1 stop4h 41m
United Airlines
Deal found 1/15$349
This United Airlines deal was found by Cheapflights users on 1/13. 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.
Thu 1/298:40 am
PWM
-
DAY
2 stops13h 22m
United Airlines
Mon 2/29:50 am
DAY
-
PWM
1 stop4h 41m
United Airlines
Deal found 1/13$354
This United Airlines deal was found by Cheapflights users on 1/15. 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.
Sat 1/248:40 am
PWM
-
DAY
2 stops8h 24m
United Airlines
Sun 2/19:50 am
DAY
-
PWM
1 stop4h 41m
United Airlines
Deal found 1/15$359
This United Airlines deal was found by Cheapflights users on 1/15. 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.
Sat 1/248:40 am
PWM
-
DAY
2 stops8h 24m
United Airlines
Fri 1/309:05 am
DAY
-
PWM
1 stop5h 34m
United Airlines
Deal found 1/15$430

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 January 15, 2026.
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

Sat 1/31

4:10 pm-11:44 pm

1 stop7h 34m

Dayton

Tue 2/3

9:05 am-2:39 pm

1 stop5h 34m

$344

PortlandDayton

PWM - DAY

PWMDAY

Portland

Fri 1/30

4:10 pm-10:02 pm

1 stop5h 52m

Dayton

Tue 2/3

9:50 am-2:31 pm

1 stop4h 41m

$349

PortlandDayton

PWM - DAY

PWMDAY

Portland

Thu 1/29

8:40 am-10:02 pm

2 stops13h 22m

Dayton

Mon 2/2

9:50 am-2:31 pm

1 stop4h 41m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Compare providers for flights from Portland to Dayton

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Dayton in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland, Maine-Dayton flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland, Maine-Dayton flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland, Maine-Dayton flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Dayton flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Dayton flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, November is the cheapest month in which you can book a flight from Portland, Maine to Dayton (average of $98). Flying from Portland, Maine to Dayton in March is currently the most expensive (average of $241). 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.

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

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 January 15, 2026.
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
9,164 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,164 reviews
United Airlines
7.4
Good
9,164 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,136 reviews
United Airlines
7.4
Good
9,164 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 $344, United Airlines can have you in Dayton from Portland, Maine in 7h 34m. 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 34% 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, November is the cheapest month in which you can book a flight from Portland, Maine to Dayton (average of $98). Flying from Portland, Maine to Dayton in March is currently the most expensive (average of $241). 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
Huber Heights
Springfield
Troy
Xenia
Greenville
Miamisburg

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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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$377FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$270Average$393FlexibilityNo cancel feeOn-time69%

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