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

For as low as $388, United Airlines can have you in Dayton from Portland, Maine in 8h 25m. 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 $270. Another airline that can offer you cheap pricing is American Airlines. United Airlines is priced at 47% lower than the current average price of a flight leaving 3 months from now.

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.

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).

What is the cheapest time of day to fly from PWM to DAY?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland, Maine to Dayton as you normally would.

Most accurate provider : When it comes to deals on Portland, Maine-Dayton flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Dayton flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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.

$243+ Cheap Flights from Portland, ME to Dayton

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Cheap flight deals from Portland to Dayton

Cheapest

Best

Last-minute

One-way

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 October 25, 2026.

Fri 11/135:30 am -

1 stop4h 34m

Mon 11/167:55 pm -

1 stop4h 04m

Deal found 10/22

$339

Thu 12/315:15 am -

1 stop4h 42m

Tue 1/510:55 am -

2 stops7h 58m

Deal found 10/25

$344

Sat 11/76:17 am -

1 stop4h 37m

Wed 11/114:01 pm -

1 stop6h 28m

Deal found 10/23

$369

Fri 11/135:30 am -

1 stop4h 34m

Sun 11/157:55 pm -

1 stop4h 04m

Deal found 10/23

$384

Fri 10/305:45 pm -

1 stop6h 41m

Mon 11/26:00 am -

1 stop4h 01m

Deal found 10/22

$429

Fri 10/305:30 am -

1 stop4h 34m

Mon 11/25:30 am -

2 stops8h 57m

Deal found 10/22

$434

Fri 11/1311:39 am -

2 stops11h 27m

Mon 11/163:22 pm -

2 stops7h 59m

Deal found 10/23

$439

Best flights from Portland to Dayton
Discover carefully curated flight deals from Portland to Dayton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.

Fri 11/135:50 am -

2 stops8h 25m

Mon 11/167:55 pm -

1 stop4h 04m

Deal found 10/22

$388

Fri 11/135:30 am -

1 stop4h 34m

Sun 11/157:55 pm -

1 stop4h 04m

Deal found 10/25

$399

Sat 1/94:25 pm -

1 stop5h 54m

Tue 1/127:00 am -

1 stop7h 44m

Deal found 10/22

$439

Fri 11/205:50 am -

2 stops8h 25m

Fri 11/277:55 pm -

1 stop4h 04m

Deal found 10/22

$454

Thu 11/55:50 am -

2 stops8h 25m

Mon 11/97:55 pm -

1 stop4h 04m

Deal found 10/21

$474

Last-minute flights from Portland to Dayton
Discover last-minute flight deals from Portland to Dayton. Data last updated October 25, 2026 and is based on user searches.

Fri 10/305:45 pm -

1 stop6h 41m

Mon 11/26:00 am -

1 stop4h 01m

Deal found 10/22

$429

Fri 10/305:30 am -

1 stop4h 34m

Mon 11/25:30 am -

2 stops8h 57m

Deal found 10/22

$434

Thu 11/55:08 pm -

1 stop6h 30m

Mon 11/97:10 am -

1 stop7h 06m

Deal found 10/21

$469

Sat 11/76:17 am -

1 stop4h 37m

Wed 11/114:01 pm -

1 stop6h 28m

Deal found 10/23

$369

Fri 11/135:30 am -

1 stop4h 34m

Mon 11/167:55 pm -

1 stop4h 04m

Deal found 10/22

$339

Fri 11/135:30 am -

1 stop4h 34m

Sun 11/157:55 pm -

1 stop4h 04m

Deal found 10/23

$384

Fri 11/1311:39 am -

2 stops11h 27m

Mon 11/163:22 pm -

2 stops7h 59m

Deal found 10/23

$439

Fri 11/205:50 am -

2 stops8h 25m

Fri 11/277:55 pm -

1 stop4h 04m

Deal found 10/22

$454

Find flight deals from Portland to Dayton

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$339 (United Airlines)
One-way from	$243 (Kiwi.com)
Popular in	April
Cheapest in	November
Average price	$648

Provider with most accurate pricing for Portland-Dayton flight deals.

Search Deals

Provider most trusted by Cheapflights users for Portland-Dayton flights.

Search Deals

From Portland to Dayton

Search Deals

One-way flight from Portland to Dayton

Search Deals

Highest demand for flights based on searches. 21% potential increase in price ($142 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease ($39 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandDayton

PWM Portland - DAY Dayton

PWMDAY

Portland

Sat 10/31

5:09 pm-3:28 pm

2 stops22h 19m

Dayton

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$243

PortlandDayton

PWM Portland - DAY Dayton

PWMDAY

Portland

Mon 3/15

12:50 pm-11:14 pm

2 stops10h 24m

Dayton

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$329

PortlandDayton

PWM Portland - DAY Dayton

PWMDAY

Portland

Fri 11/13

5:50 am-2:15 pm

2 stops8h 25m

Dayton

Mon 11/16

7:55 pm-11:59 pm

1 stop4h 04m

$388

Quickest round-trip

PortlandDayton

PWM Portland - DAY Dayton

PWMDAY

Portland

Fri 11/13

5:30 am-10:04 am

1 stop4h 34m

Dayton

Sun 11/15

7:55 pm-11:59 pm

1 stop4h 04m

$399

PortlandDayton

PWM Portland - DAY Dayton

PWMDAY

Portland

Sat 1/9

4:25 pm-10:19 pm

1 stop5h 54m

Dayton

Tue 1/12

7:00 am-2:44 pm

1 stop7h 44m

$439

PortlandDayton

PWM Portland - DAY Dayton

PWMDAY

Portland

Fri 11/20

5:50 am-2:15 pm

2 stops8h 25m

Dayton

Fri 11/27

7:55 pm-11:59 pm

1 stop4h 04m

$454

PortlandDayton

PWM Portland - DAY Dayton

PWMDAY

Portland

Thu 11/5

5:50 am-2:15 pm

2 stops8h 25m

Dayton

Mon 11/9

7:55 pm-11:59 pm

1 stop4h 04m

$474

PortlandDayton

PWM Portland - DAY Dayton

PWMDAY

Portland

Mon 3/15

9:15 am-8:31 pm

3 stops11h 16m

Dayton

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$1,323

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

Sorted by cheapest first

Compare providers for flights from Portland to Dayton

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Dayton in October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Dayton flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

PWM-DAY

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 $350). Flying from Portland, Maine to Dayton in April is currently the most expensive (average of $939). 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

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

7.3

Good

10,436 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

United Airlines

7.3

Good

10,436 reviews

United Airlines

7.3

Good

10,436 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

American Airlines

7.0

Good

12,194 reviews

United Airlines

7.3

Good

10,436 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Related info for your journey

How long is the flight from Portland, Maine to Dayton?
For as low as $388, United Airlines can have you in Dayton from Portland, Maine in 8h 25m. 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 $270. Another airline that can offer you cheap pricing is American Airlines. United Airlines is priced at 47% 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 $350). Flying from Portland, Maine to Dayton in April is currently the most expensive (average of $939). 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

Springfield

Greenville

Huber Heights

Miamisburg

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Flights by cabin class

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Popular flights

Top 2 airlines flying from Portland to Dayton

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$270	Average$378	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$308	Average$380	FlexibilityNo cancel fee	On-time71%

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$243+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Dayton with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Portland to Dayton

Cheapest flights from Portland to DaytonExplore 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 October 25, 2026.

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 October 25, 2026.

Best flights from Portland to DaytonDiscover carefully curated flight deals from Portland to Dayton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.

Discover carefully curated flight deals from Portland to Dayton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.

Last-minute flights from Portland to DaytonDiscover last-minute flight deals from Portland to Dayton. Data last updated October 25, 2026 and is based on user searches.

Discover last-minute flight deals from Portland to Dayton. Data last updated October 25, 2026 and is based on user searches.

One-way flights from Portland to DaytonSearch for one-way flight options from Portland to Dayton. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.

Search for one-way flight options from Portland to Dayton. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.

Find flight deals from Portland to Dayton

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Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

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Use the filters below to find and compare flights from Portland to Dayton that are best for you.

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 October.

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.

Cheapflights Insights

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

Reviews of airlines servicing Dayton

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.

Related info for your journey

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

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

Can I find deals for flights from Portland to Dayton that include hotel bookings?

How can I find direct flights from Portland to Dayton?

Can I find deals for business class flights from Portland to Dayton?

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

Traveling to a place near Dayton?

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Alternative routes for Portland to Dayton

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Complete your trip

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Other flights to Dayton

Explore flights to Dayton departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.

Search flights from Portland to Dayton by cabin class

Find flights from Portland to Dayton, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Portland and Dayton flights

Browse other Portland and Dayton flight options. Last updated on October 25, 2026.

Other flights from Portland

Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.

Popular flight searches

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Top 2 airlines flying from Portland to Dayton

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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 October 25, 2026.

Best flights from Portland to Dayton
Discover carefully curated flight deals from Portland to Dayton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.

Last-minute flights from Portland to Dayton
Discover last-minute flight deals from Portland to Dayton. Data last updated October 25, 2026 and is based on user searches.

One-way flights from Portland to Dayton
Search for one-way flight options from Portland to Dayton. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.