How long is the flight from Dayton to Portsmouth, New Hampshire?

Breeze Airways can get you from Dayton to Portsmouth, New Hampshire in just under 24h 29m. Your travel time can differ by up to . Dayton and Portsmouth, New Hampshire are separated by a distance of 726 mi.

In terms of precipitation, rainfall in Portsmouth, New Hampshire ranges from 2.2 - 5.1 inches per month. November is typically the wettest month, when rainfall can reach 5.1 in. August is typically the driest time to visit Portsmouth, New Hampshire when rainfall is around 2.2 in.

If weather is an important factor for your trip to Portsmouth, New Hampshire, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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

When flying from Dayton to Portsmouth, New Hampshire, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Dayton-Portsmouth, New Hampshire flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Dayton-Portsmouth, New Hampshire flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Dayton-Portsmouth, New Hampshire flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Dayton-Portsmouth, New Hampshire flights, Cheapflights users trust Expedia the most. Expedia 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 Dayton-Portsmouth, New Hampshire 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 Dayton to Portsmouth that include hotel bookings?

Yes. In addition to deals on Dayton to Portsmouth flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dayton to Portsmouth?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dayton to Portsmouth.

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

Yes. Cheapflights offers flight deals from Dayton to Portsmouth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$579+ Cheap Flights from Dayton to Portsmouth, NH

Q: E

Most trusted provider : When it comes to deals on Dayton-Portsmouth, New Hampshire flights, Cheapflights users trust Expedia the most. Expedia 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 Dayton-Portsmouth, New Hampshire flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Q: Can I find deals for flights from Dayton to Portsmouth that include hotel bookings?

Yes. In addition to deals on Dayton to Portsmouth flights, Cheapflights offers vacation packages that include both flights and hotel.

Q: How can I find direct flights from Dayton to Portsmouth?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dayton to Portsmouth.

Q: Can I find deals for business class flights from Dayton to Portsmouth?

Yes. Cheapflights offers flight deals from Dayton to Portsmouth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheap flight deals from Dayton to Portsmouth

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Cheapest flights from Dayton to Portsmouth
Explore the most affordable flight options available from Dayton to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.

Fri 12/119:13 am -

1 stop24h 29m

Sun 1/106:47 pm -

1 stop17h 01m

Deal found 10/25

$579

Fri 12/1812:37 pm -

2 stops31h 20m

Sun 1/36:47 pm -

1 stop17h 01m

Deal found 10/21

$938

Find flight deals from Dayton to Portsmouth

Most accurate provider	Expedia 1 star
Most trusted provider	Expedia 3 stars
Round-trip from	$579 (Mytrip)
Popular in	March
Cheapest in	December
Average price	$468

Provider with most accurate pricing for Dayton-Portsmouth Pease Intl flight deals.

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Provider most trusted by Cheapflights users for Dayton-Portsmouth Pease Intl flights.

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From Dayton to Portsmouth Pease Intl

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Highest demand for flights based on searches. 11% potential increase in price ($51 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

DaytonPortsmouth

DAY Dayton - PSM Portsmouth Pease Intl

DAYPSM

Dayton

Fri 12/11

9:13 am-9:42 am

1 stop24h 29m

Portsmouth Pease Intl

Sun 1/10

6:47 pm-11:48 am

1 stop17h 01m

$579

DaytonPortsmouth

DAY Dayton - PSM Portsmouth Pease Intl

DAYPSM

Dayton

Fri 12/18

12:37 pm-7:57 pm

2 stops31h 20m

Portsmouth Pease Intl

Sun 1/3

6:47 pm-11:48 am

1 stop17h 01m

$938

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Sorted by cheapest first

Most accurate provider: When it comes to deals on Dayton-Portsmouth, New Hampshire flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Dayton-Portsmouth, New Hampshire flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Dayton-Portsmouth, New Hampshire flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Dayton-Portsmouth, New Hampshire flights, Cheapflights users trust Expedia the most. Expedia 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 Dayton-Portsmouth, New Hampshire 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 Dayton to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Dayton with our price prediction graph.

DAY-PSM

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.

Related info for your journey

How long is the flight from Dayton to Portsmouth, New Hampshire?
Breeze Airways can get you from Dayton to Portsmouth, New Hampshire in just under 24h 29m. Your travel time can differ by up to . Dayton and Portsmouth, New Hampshire are separated by a distance of 726 mi.
Can I find deals for flights from Dayton to Portsmouth that include hotel bookings?
Yes. In addition to deals on Dayton to Portsmouth flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dayton to Portsmouth?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dayton to Portsmouth.
Can I find deals for business class flights from Dayton to Portsmouth?
Yes. Cheapflights offers flight deals from Dayton to Portsmouth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$579+ Cheap flights from Dayton to Portsmouth, NH (DAY - PSM)

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dayton to Portsmouth with Cheapflights

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Cheap flight deals from Dayton to Portsmouth

Cheapest flights from Dayton to PortsmouthExplore the most affordable flight options available from Dayton to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.

Explore the most affordable flight options available from Dayton to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.

Best flights from Dayton to PortsmouthDiscover carefully curated flight deals from Dayton to Portsmouth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.

Discover carefully curated flight deals from Dayton to Portsmouth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.

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Best time to book a flight from Dayton to Portsmouth

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Related info for your journey

How long is the flight from Dayton to Portsmouth, New Hampshire?

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

How can I find direct flights from Dayton to Portsmouth?

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

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Dayton and Portsmouth flights

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Cheapest flights from Dayton to Portsmouth
Explore the most affordable flight options available from Dayton to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.

Best flights from Dayton to Portsmouth
Discover carefully curated flight deals from Dayton to Portsmouth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.