$350+ Cheap flights from Pittsburgh to Portsmouth, NH (PIT - 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — PSM
Nov 27 — Dec 41
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Pittsburgh to Portsmouth with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Pittsburgh to Portsmouth
Cheapest
Best
Last-minute
One-way
Cheapest flights from Pittsburgh to PortsmouthExplore the most affordable flight options available from Pittsburgh to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2026.
Explore the most affordable flight options available from Pittsburgh to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2026.
This Mytrip deal was found by Cheapflights users on 10/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/118:10 pm -
1 stop13h 32m
Sun 12/136:47 pm -
1 stop25h 27m
Deal found 10/26![Breeze Airways logo]()
$609
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:10 pm -
1 stop13h 32m
Sun 12/66:47 pm -
1 stop25h 27m
Deal found 10/27![Breeze Airways logo]()
$614
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/118:10 pm -
1 stop13h 32m
Sun 1/106:47 pm -
3 stops24h 00m
Deal found 10/25![Breeze Airways logo]()
$803
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/188:10 pm -
1 stop13h 32m
Sun 12/206:47 pm -
1 stop25h 27m
Deal found 10/25![Breeze Airways logo]()
$824
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:54 pm -
2 stops23h 03m
Sun 11/156:47 pm -
1 stop25h 27m
Deal found 10/25![Breeze Airways logo]()
$828
This KAYAK deal was found by Cheapflights users on 10/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/118:10 pm -
1 stop13h 32m
Sat 1/1610:22 am -
2 stops21h 44m
Deal found 10/26![Breeze Airways logo]()
$838
This KAYAK deal was found by Cheapflights users on 10/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:54 pm -
2 stops23h 03m
Sun 11/226:47 pm -
1 stop25h 27m
Deal found 10/24![Breeze Airways logo]()
$878
Best flights from Pittsburgh to PortsmouthDiscover carefully curated flight deals from Pittsburgh to Portsmouth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2026.
Discover carefully curated flight deals from Pittsburgh to Portsmouth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2026.
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:10 pm -
1 stop13h 32m
Sun 12/66:47 pm -
1 stop25h 27m
Deal found 10/27![Breeze Airways logo]()
$614
This KAYAK deal was found by Cheapflights users on 10/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/2211:38 am -
1 stop22h 04m
Sun 1/246:47 pm -
3 stops24h 00m
Deal found 10/23![Breeze Airways logo]()
$798
This KAYAK deal was found by Cheapflights users on 10/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/118:54 pm -
2 stops23h 03m
Sun 12/136:47 pm -
3 stops19h 30m
Deal found 10/26![Breeze Airways logo]()
$973
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:44 pm -
3 stops24h 13m
Sun 11/156:47 pm -
1 stop25h 27m
Deal found 10/25![Breeze Airways logo]()
$993
This KAYAK deal was found by Cheapflights users on 10/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/188:10 pm -
1 stop13h 32m
Sun 12/276:47 pm -
1 stop25h 27m
Deal found 10/26![Breeze Airways logo]()
$1,034
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/118:54 pm -
2 stops23h 03m
Sat 1/910:22 am -
2 stops21h 44m
Deal found 10/25![Breeze Airways logo]()
$1,063
This KAYAK deal was found by Cheapflights users on 10/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:44 pm -
3 stops24h 13m
Sun 1/176:47 pm -
3 stops24h 00m
Deal found 10/26![Breeze Airways logo]()
$1,138
This KAYAK deal was found by Cheapflights users on 10/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2211:19 am -
2 stops22h 23m
Sat 1/28:37 pm -
2 stops22h 11m
Deal found 10/24![Breeze Airways logo]()
$1,233
Last-minute flights from Pittsburgh to PortsmouthDiscover last-minute flight deals from Pittsburgh to Portsmouth. Data last updated October 28, 2026 and is based on user searches.
Discover last-minute flight deals from Pittsburgh to Portsmouth. Data last updated October 28, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:54 pm -
2 stops23h 03m
Sun 11/16:47 pm -
1 stop25h 27m
Deal found 10/25![Breeze Airways logo]()
$913
This KAYAK deal was found by Cheapflights users on 10/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:54 pm -
2 stops23h 03m
Sun 11/86:47 pm -
1 stop25h 27m
Deal found 10/27![Breeze Airways logo]()
$983
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:54 pm -
2 stops23h 03m
Sun 11/156:47 pm -
1 stop25h 27m
Deal found 10/25![Breeze Airways logo]()
$828
This KAYAK deal was found by Cheapflights users on 10/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:54 pm -
2 stops23h 03m
Sun 11/226:47 pm -
1 stop25h 27m
Deal found 10/24![Breeze Airways logo]()
$878
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:54 pm -
2 stops23h 03m
Sat 12/510:22 am -
2 stops25h 47m
Deal found 10/25![Breeze Airways logo]()
$933
One-way flights from Pittsburgh to PortsmouthSearch for one-way flight options from Pittsburgh to Portsmouth. Find affordable one-way fares based on user searches. Data last updated October 28, 2026.
Search for one-way flight options from Pittsburgh to Portsmouth. Find affordable one-way fares based on user searches. Data last updated October 28, 2026.
This CheapOair deal was found by Cheapflights users on 10/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:10 pm -
1 stop13h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Breeze Airways logo]()
$350
This CheapOair deal was found by Cheapflights users on 10/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2211:19 am -
2 stops22h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Breeze Airways logo]()
$435
This KAYAK deal was found by Cheapflights users on 10/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:54 pm -
2 stops23h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Breeze Airways logo]()
$545
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:54 pm -
2 stops23h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Breeze Airways logo]()
$575
This KAYAK deal was found by Cheapflights users on 10/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2112:03 pm -
2 stops20h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Breeze Airways logo]()
$630
This CheapOair deal was found by Cheapflights users on 10/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2911:19 am -
2 stops22h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Breeze Airways logo]()
$695
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:27 pm -
3 stops47h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$721
This KAYAK deal was found by Cheapflights users on 10/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/278:54 pm -
2 stops23h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Breeze Airways logo]()
$845
Find flight deals from Pittsburgh to Portsmouth
Discover tips and strategies to find the most affordable flight options for your journey from Pittsburgh (PIT) to Portsmouth (PSM). 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 October 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $609 (Booking.com) |
One-way from | $350 (CheapOair) |
Popular in | October |
Cheapest in | January |
Average price | $353 |
Cheapflights Fare Finder
Customize your flight search to find flights from Pittsburgh to Portsmouth 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 7,457,451 searches. Data last updated October 28, 2026.
Use the filters below to find and compare flights from Pittsburgh to Portsmouth that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PittsburghPortsmouth
PIT Pittsburgh - PSM Portsmouth Pease Intl
PITPSM
Pittsburgh
Fri 12/4
8:54 pm-7:57 pm
2 stops23h 03m
Portsmouth Pease Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$515
PittsburghPortsmouth
PIT Pittsburgh - PSM Portsmouth Pease Intl
PITPSM
Pittsburgh
Fri 11/20
8:54 pm-7:57 pm
2 stops23h 03m
Portsmouth Pease Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$575
PittsburghPortsmouth
PIT Pittsburgh - PSM Portsmouth Pease Intl
PITPSM
Pittsburgh
Fri 12/4
8:10 pm-9:42 am
1 stop13h 32m
Portsmouth Pease Intl
Sun 12/6
6:47 pm-8:14 pm
1 stop25h 27m
$614
Quickest round-trip
PittsburghPortsmouth
PIT Pittsburgh - PSM Portsmouth Pease Intl
PITPSM
Pittsburgh
Mon 12/21
12:03 pm-9:02 am
2 stops20h 59m
Portsmouth Pease Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$630
PittsburghPortsmouth
PIT Pittsburgh - PSM Portsmouth Pease Intl
PITPSM
Pittsburgh
Tue 12/29
11:19 am-9:42 am
2 stops22h 23m
Portsmouth Pease Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$695
PittsburghPortsmouth
PIT Pittsburgh - PSM Portsmouth Pease Intl
PITPSM
Pittsburgh
Tue 11/3
6:27 pm-6:07 pm
3 stops47h 40m
Portsmouth Pease Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$721
PittsburghPortsmouth
PIT Pittsburgh - PSM Portsmouth Pease Intl
PITPSM
Pittsburgh
Fri 1/22
11:38 am-9:42 am
1 stop22h 04m
Portsmouth Pease Intl
Sun 1/24
6:47 pm-6:47 pm
3 stops24h 00m
$798
PittsburghPortsmouth
PIT Pittsburgh - PSM Portsmouth Pease Intl
PITPSM
Pittsburgh
Fri 11/27
8:54 pm-7:57 pm
2 stops23h 03m
Portsmouth Pease Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$845
PittsburghPortsmouth
PIT Pittsburgh - PSM Portsmouth Pease Intl
PITPSM
Pittsburgh
Fri 12/11
8:54 pm-7:57 pm
2 stops23h 03m
Portsmouth Pease Intl
Sun 12/13
6:47 pm-2:17 pm
3 stops19h 30m
$973
PittsburghPortsmouth
PIT Pittsburgh - PSM Portsmouth Pease Intl
PITPSM
Pittsburgh
Fri 11/13
7:44 pm-7:57 pm
3 stops24h 13m
Portsmouth Pease Intl
Sun 11/15
6:47 pm-8:14 pm
1 stop25h 27m
$993
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from Pittsburgh to Portsmouth
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 Pittsburgh to Portsmouth in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Pittsburgh-Portsmouth, New Hampshire flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Pittsburgh-Portsmouth, New Hampshire flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Pittsburgh-Portsmouth, New Hampshire flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Pittsburgh-Portsmouth, New Hampshire 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 Pittsburgh-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 Pittsburgh to Portsmouth
Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Pittsburgh with our price prediction graph.
PIT-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
Find useful and relevant information for your journey from Pittsburgh to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Pittsburgh
Popular flights
Portsmouth flight routes