$294+ Cheap flights from San Antonio to Portsmouth, NH (SAT - 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — PSM
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio 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
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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 San Antonio to Portsmouth
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Best
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Cheapest flights from San Antonio to PortsmouthExplore the most affordable flight options available from San Antonio to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from San Antonio to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:25 am -
1 stop7h 42m
Sun 11/156:47 pm -
2 stops18h 11m
Deal found 9/14![Breeze Airways logo]()
$595
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/69:25 am -
1 stop7h 42m
Sun 12/136:47 pm -
2 stops18h 11m
Deal found 9/14![Breeze Airways logo]()
$605
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:25 am -
1 stop7h 42m
Sun 10/46:47 pm -
2 stops18h 11m
Deal found 9/15![Breeze Airways logo]()
$669
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:25 am -
1 stop7h 42m
Sun 10/256:47 pm -
2 stops18h 11m
Deal found 9/13![Breeze Airways logo]()
$769
This KAYAK deal was found by Cheapflights users on 9/16. 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 10/212:38 pm -
3 stops27h 31m
Sun 10/46:47 pm -
2 stops18h 11m
Deal found 9/16![Breeze Airways logo]()
$809
This Justfly.com deal was found by Cheapflights users on 9/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:25 am -
1 stop7h 42m
Thu 10/16:47 pm -
2 stops18h 11m
Deal found 9/16![Breeze Airways logo]()
$815
This KAYAK deal was found by Cheapflights users on 9/16. 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.
Thu 10/19:25 am -
1 stop7h 42m
Sat 10/35:49 pm -
3 stops43h 09m
Deal found 9/16![Breeze Airways logo]()
$863
This KAYAK deal was found by Cheapflights users on 9/16. 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.
Sun 9/279:25 am -
1 stop7h 42m
Sun 10/46:47 pm -
2 stops18h 11m
Deal found 9/16![Breeze Airways logo]()
$869
This Justfly.com deal was found by Cheapflights users on 9/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:25 am -
1 stop7h 42m
Sun 10/186:47 pm -
2 stops18h 11m
Deal found 9/16![Breeze Airways logo]()
$895
Best flights from San Antonio to PortsmouthDiscover carefully curated flight deals from San Antonio to Portsmouth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from San Antonio to Portsmouth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:25 am -
1 stop7h 42m
Sun 11/156:47 pm -
2 stops18h 11m
Deal found 9/14![Breeze Airways logo]()
$595
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/109:50 am -
1 stop7h 17m
Sun 1/176:47 pm -
2 stops18h 31m
Deal found 9/14![Breeze Airways logo]()
$595
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/69:25 am -
1 stop7h 42m
Sun 12/136:47 pm -
2 stops18h 11m
Deal found 9/14![Breeze Airways logo]()
$605
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:25 am -
1 stop7h 42m
Sun 10/46:47 pm -
2 stops18h 11m
Deal found 9/15![Breeze Airways logo]()
$669
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:25 am -
1 stop7h 42m
Sun 10/256:47 pm -
2 stops18h 11m
Deal found 9/13![Breeze Airways logo]()
$789
This KAYAK deal was found by Cheapflights users on 9/16. 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 10/212:38 pm -
3 stops27h 31m
Sun 10/46:47 pm -
2 stops18h 11m
Deal found 9/16![Breeze Airways logo]()
$809
This KAYAK deal was found by Cheapflights users on 9/16. 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.
Thu 10/19:25 am -
1 stop7h 42m
Sat 10/35:49 pm -
3 stops43h 09m
Deal found 9/16![Breeze Airways logo]()
$863
This KAYAK deal was found by Cheapflights users on 9/16. 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.
Sun 9/279:25 am -
1 stop7h 42m
Sun 10/46:47 pm -
2 stops18h 11m
Deal found 9/16![Breeze Airways logo]()
$869
This Justfly.com deal was found by Cheapflights users on 9/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:25 am -
1 stop7h 42m
Sun 10/186:47 pm -
2 stops18h 11m
Deal found 9/16![Breeze Airways logo]()
$895
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/119:25 am -
1 stop7h 42m
Thu 10/156:47 pm -
2 stops18h 11m
Deal found 9/13![Breeze Airways logo]()
$955
This KAYAK deal was found by Cheapflights users on 9/16. 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.
Sun 9/279:25 am -
1 stop7h 42m
Sat 10/35:49 pm -
3 stops43h 09m
Deal found 9/16![Breeze Airways logo]()
$1,003
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:38 pm -
3 stops27h 31m
Sun 10/116:47 pm -
2 stops18h 11m
Deal found 9/15![Breeze Airways logo]()
$1,089
Last-minute flights from San Antonio to PortsmouthDiscover last-minute flight deals from San Antonio to Portsmouth. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Portsmouth. Data last updated September 17, 2026 and is based on user searches.
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:25 am -
1 stop7h 42m
Thu 9/246:47 pm -
2 stops18h 11m
Deal found 9/14![Breeze Airways logo]()
$959
This Justfly.com deal was found by Cheapflights users on 9/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:25 am -
1 stop7h 42m
Thu 10/16:47 pm -
2 stops18h 11m
Deal found 9/16![Breeze Airways logo]()
$815
This KAYAK deal was found by Cheapflights users on 9/16. 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.
Sun 9/279:25 am -
1 stop7h 42m
Sun 10/46:47 pm -
2 stops18h 11m
Deal found 9/16![Breeze Airways logo]()
$869
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:25 am -
1 stop7h 42m
Sun 10/46:47 pm -
2 stops18h 11m
Deal found 9/15![Breeze Airways logo]()
$669
This KAYAK deal was found by Cheapflights users on 9/16. 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.
Thu 10/19:25 am -
1 stop7h 42m
Sat 10/35:49 pm -
3 stops43h 09m
Deal found 9/16![Breeze Airways logo]()
$863
This KAYAK deal was found by Cheapflights users on 9/16. 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 10/212:38 pm -
3 stops27h 31m
Sun 10/46:47 pm -
2 stops18h 11m
Deal found 9/16![Breeze Airways logo]()
$809
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/119:25 am -
1 stop7h 42m
Thu 10/156:47 pm -
2 stops18h 11m
Deal found 9/13![Breeze Airways logo]()
$955
This Justfly.com deal was found by Cheapflights users on 9/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:25 am -
1 stop7h 42m
Sun 10/186:47 pm -
2 stops18h 11m
Deal found 9/16![Breeze Airways logo]()
$895
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:25 am -
1 stop7h 42m
Sun 10/256:47 pm -
2 stops18h 11m
Deal found 9/13![Breeze Airways logo]()
$769
One-way flights from San Antonio to PortsmouthSearch for one-way flight options from San Antonio to Portsmouth. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from San Antonio to Portsmouth. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:25 am -
1 stop7h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Breeze Airways logo]()
$294
This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/189:50 am -
1 stop7h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Breeze Airways logo]()
$354
This Trip.com deal was found by Cheapflights users on 9/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:25 am -
1 stop7h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Breeze Airways logo]()
$363
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:25 am -
1 stop7h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Breeze Airways logo]()
$404
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:38 pm -
3 stops27h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Breeze Airways logo]()
$525
This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/299:25 am -
1 stop7h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Breeze Airways logo]()
$854
Find flight deals from San Antonio to Portsmouth
Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) 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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $595 (FlightHub) |
One-way from | $294 (Priceline) |
Popular in | March |
Cheapest in | January |
Average price | $368 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio 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 September 17, 2026.
Use the filters below to find and compare flights from San Antonio to Portsmouth that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioPortsmouth
SAT San Antonio - PSM Portsmouth Pease Intl
SATPSM
San Antonio
Thu 11/12
9:25 am-6:07 pm
1 stop7h 42m
Portsmouth Pease Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$294
Quickest round-trip
San AntonioPortsmouth
SAT San Antonio - PSM Portsmouth Pease Intl
SATPSM
San Antonio
Thu 2/18
9:50 am-6:07 pm
1 stop7h 17m
Portsmouth Pease Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$354
San AntonioPortsmouth
SAT San Antonio - PSM Portsmouth Pease Intl
SATPSM
San Antonio
Thu 10/1
9:25 am-6:07 pm
1 stop7h 42m
Portsmouth Pease Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$354
San AntonioPortsmouth
SAT San Antonio - PSM Portsmouth Pease Intl
SATPSM
San Antonio
Thu 9/24
9:25 am-6:07 pm
1 stop7h 42m
Portsmouth Pease Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$363
San AntonioPortsmouth
SAT San Antonio - PSM Portsmouth Pease Intl
SATPSM
San Antonio
Sun 11/8
9:25 am-6:07 pm
1 stop7h 42m
Portsmouth Pease Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$404
San AntonioPortsmouth
SAT San Antonio - PSM Portsmouth Pease Intl
SATPSM
San Antonio
Fri 10/2
12:38 pm-5:09 pm
3 stops27h 31m
Portsmouth Pease Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$525
San AntonioPortsmouth
SAT San Antonio - PSM Portsmouth Pease Intl
SATPSM
San Antonio
Thu 11/12
9:25 am-6:07 pm
1 stop7h 42m
Portsmouth Pease Intl
Sun 11/15
6:47 pm-11:58 am
2 stops18h 11m
$595
San AntonioPortsmouth
SAT San Antonio - PSM Portsmouth Pease Intl
SATPSM
San Antonio
Sun 1/10
9:50 am-6:07 pm
1 stop7h 17m
Portsmouth Pease Intl
Sun 1/17
6:47 pm-12:18 pm
2 stops18h 31m
$595
San AntonioPortsmouth
SAT San Antonio - PSM Portsmouth Pease Intl
SATPSM
San Antonio
Sun 12/6
9:25 am-6:07 pm
1 stop7h 42m
Portsmouth Pease Intl
Sun 12/13
6:47 pm-11:58 am
2 stops18h 11m
$605
San AntonioPortsmouth
SAT San Antonio - PSM Portsmouth Pease Intl
SATPSM
San Antonio
Thu 10/1
9:25 am-6:07 pm
1 stop7h 42m
Portsmouth Pease Intl
Sun 10/4
6:47 pm-11:58 am
2 stops18h 11m
$669
Showing 1-10 of 18 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on San Antonio-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 San Antonio-Portsmouth, New Hampshire flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Portsmouth, New Hampshire flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Antonio-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 San Antonio-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 San Antonio to Portsmouth
Have a flexible travel schedule? Discover the best time to fly to Portsmouth from San Antonio with our price prediction graph.
SAT-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 San Antonio to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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