$511+ Cheap flights from Los Angeles to Portsmouth, NH (LAX - 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PSM
Nov 25 — Dec 21
Round-trip
1 adult, Economy
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Find cheap flights from Los Angeles 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 Los Angeles to Portsmouth
Cheapest
Best
Last-minute
One-way
Cheapest flights from Los Angeles to PortsmouthExplore the most affordable flight options available from Los Angeles 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 Los Angeles to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
This KAYAK deal was found by Cheapflights users on 10/22. 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.
Wed 12/912:51 pm -
3 stops26h 16m
Sun 12/136:47 pm -
2 stops30h 48m
Deal found 10/22![Breeze Airways logo]()
$1,043
This KAYAK deal was found by Cheapflights users on 10/21. 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.
Sat 12/1212:51 pm -
3 stops26h 16m
Thu 12/246:47 pm -
3 stops30h 48m
Deal found 10/21![Breeze Airways logo]()
$1,048
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.
Wed 12/211:40 pm -
2 stops15h 27m
Wed 12/910:22 am -
2 stops15h 38m
Deal found 10/23![Breeze Airways logo]()
$1,053
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.
Wed 11/1112:51 pm -
3 stops26h 16m
Wed 12/210:22 am -
2 stops15h 38m
Deal found 10/26![Breeze Airways logo]()
$1,063
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.
Wed 11/1812:51 pm -
3 stops26h 16m
Sun 12/136:47 pm -
2 stops30h 48m
Deal found 10/25![Breeze Airways logo]()
$1,073
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.
Wed 12/212:51 pm -
3 stops26h 16m
Sat 12/1210:22 am -
2 stops15h 38m
Deal found 10/25![Breeze Airways logo]()
$1,078
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.
Mon 11/2311:15 pm -
2 stops14h 36m
Wed 12/910:22 am -
2 stops15h 38m
Deal found 10/25![Breeze Airways logo]()
$1,083
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.
Wed 11/1112:51 pm -
3 stops26h 16m
Thu 12/36:47 pm -
3 stops30h 48m
Deal found 10/26![Breeze Airways logo]()
$1,088
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.
Wed 11/1112:51 pm -
3 stops26h 16m
Sun 11/156:47 pm -
2 stops30h 48m
Deal found 10/23![Breeze Airways logo]()
$1,103
Best flights from Los Angeles to PortsmouthDiscover carefully curated flight deals from Los Angeles 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 Los Angeles 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.
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.
Wed 12/212:51 pm -
3 stops26h 16m
Sat 12/1210:22 am -
2 stops15h 38m
Deal found 10/25![Breeze Airways logo]()
$1,078
This KAYAK deal was found by Cheapflights users on 10/22. 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.
Wed 1/1311:40 pm -
2 stops15h 27m
Wed 2/2410:22 am -
2 stops15h 38m
Deal found 10/22![Breeze Airways logo]()
$1,098
This KAYAK deal was found by Cheapflights users on 10/22. 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.
Sat 1/911:40 pm -
2 stops15h 27m
Wed 2/2410:22 am -
2 stops15h 38m
Deal found 10/22![Breeze Airways logo]()
$1,128
This KAYAK deal was found by Cheapflights users on 10/21. 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 12/1011:10 pm -
2 stops41h 47m
Sun 12/136:47 pm -
2 stops30h 48m
Deal found 10/21![Breeze Airways logo]()
$1,128
This KAYAK deal was found by Cheapflights users on 10/21. 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 11/2311:15 pm -
2 stops14h 36m
Wed 12/210:22 am -
2 stops15h 38m
Deal found 10/21![Breeze Airways logo]()
$1,148
This KAYAK deal was found by Cheapflights users on 10/22. 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 12/1711:10 pm -
2 stops41h 47m
Sun 1/106:47 pm -
2 stops30h 48m
Deal found 10/22![Breeze Airways logo]()
$1,158
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.
Tue 12/1511:10 pm -
3 stops39h 57m
Sat 12/198:37 pm -
2 stops28h 53m
Deal found 10/25![Breeze Airways logo]()
$1,173
This KAYAK deal was found by Cheapflights users on 10/22. 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 12/2011:10 pm -
2 stops30h 52m
Sat 1/98:37 pm -
2 stops28h 53m
Deal found 10/22![Breeze Airways logo]()
$1,238
This KAYAK deal was found by Cheapflights users on 10/22. 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.
Wed 2/1011:40 pm -
2 stops15h 27m
Thu 2/186:47 pm -
2 stops30h 43m
Deal found 10/22![Breeze Airways logo]()
$1,258
This KAYAK deal was found by Cheapflights users on 10/21. 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 11/1211:10 pm -
2 stops41h 47m
Sun 11/226:47 pm -
3 stops30h 48m
Deal found 10/21![Breeze Airways logo]()
$1,273
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.
Thu 1/2111:10 pm -
2 stops41h 47m
Thu 2/46:47 pm -
2 stops30h 43m
Deal found 10/23![Breeze Airways logo]()
$1,308
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 11/2011:15 pm -
2 stops17h 42m
Sun 11/226:47 pm -
3 stops30h 48m
Deal found 10/24![Breeze Airways logo]()
$1,343
Last-minute flights from Los Angeles to PortsmouthDiscover last-minute flight deals from Los Angeles to Portsmouth. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Los Angeles to Portsmouth. Data last updated October 26, 2026 and is based on user searches.
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.
Wed 11/1112:51 pm -
3 stops26h 16m
Wed 12/210:22 am -
2 stops15h 38m
Deal found 10/26![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.
Wed 11/1112:51 pm -
3 stops26h 16m
Thu 12/36:47 pm -
3 stops30h 48m
Deal found 10/26![Breeze Airways logo]()
$1,088
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.
Wed 11/1112:51 pm -
3 stops26h 16m
Sun 11/156:47 pm -
2 stops30h 48m
Deal found 10/23![Breeze Airways logo]()
$1,103
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.
Wed 11/1812:51 pm -
3 stops26h 16m
Wed 12/910:22 am -
2 stops15h 38m
Deal found 10/25![Breeze Airways logo]()
$1,068
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.
Wed 11/1812:51 pm -
3 stops26h 16m
Sun 12/136:47 pm -
2 stops30h 48m
Deal found 10/25![Breeze Airways logo]()
$1,073
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.
Sun 11/2211:10 pm -
2 stops38h 41m
Sun 12/136:47 pm -
2 stops30h 48m
Deal found 10/26![Breeze Airways logo]()
$1,128
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.
Mon 11/2311:15 pm -
2 stops14h 36m
Wed 12/910:22 am -
2 stops15h 38m
Deal found 10/25![Breeze Airways logo]()
$1,083
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.
Mon 11/2311:15 pm -
2 stops14h 36m
Sun 12/136:47 pm -
3 stops30h 48m
Deal found 10/25![Breeze Airways logo]()
$1,113
One-way flights from Los Angeles to PortsmouthSearch for one-way flight options from Los Angeles to Portsmouth. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
Search for one-way flight options from Los Angeles to Portsmouth. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This KAYAK deal was found by Cheapflights users on 10/22. 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.
Sat 12/512:51 pm -
3 stops26h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Breeze Airways logo]()
$511
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.
Wed 1/611:40 pm -
2 stops15h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Breeze Airways logo]()
$520
This KAYAK deal was found by Cheapflights users on 10/21. 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.
Sat 12/1211:40 pm -
2 stops15h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Breeze Airways logo]()
$530
This KAYAK deal was found by Cheapflights users on 10/21. 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.
Wed 11/1112:51 pm -
3 stops26h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Breeze Airways logo]()
$531
This KAYAK deal was found by Cheapflights users on 10/21. 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.
Wed 11/412:51 pm -
3 stops26h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Breeze Airways logo]()
$541
This KAYAK deal was found by Cheapflights users on 10/21. 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.
Sat 1/1611:40 pm -
2 stops15h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Breeze Airways logo]()
$550
This KAYAK deal was found by Cheapflights users on 10/21. 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.
Wed 11/1812:51 pm -
3 stops26h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Breeze Airways logo]()
$551
This KAYAK deal was found by Cheapflights users on 10/21. 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.
Wed 12/211:40 pm -
2 stops15h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Breeze Airways logo]()
$560
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.
Wed 12/1612:51 pm -
3 stops26h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Breeze Airways logo]()
$561
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.
Sat 2/1311:40 pm -
2 stops15h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Breeze Airways logo]()
$564
Find flight deals from Los Angeles to Portsmouth
Discover tips and strategies to find the most affordable flight options for your journey from Los Angeles (LAX) 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 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,033 (KAYAK) |
One-way from | $511 (KAYAK) |
Popular in | June |
Cheapest in | January |
Average price | $451 |
Cheapflights Fare Finder
Customize your flight search to find flights from Los Angeles 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 26, 2026.
Use the filters below to find and compare flights from Los Angeles to Portsmouth that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Los AngelesPortsmouth
LAX Los Angeles - PSM Portsmouth Pease Intl
LAXPSM
Los Angeles
Wed 11/11
12:51 pm-6:07 pm
3 stops26h 16m
Portsmouth Pease Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$531
Los AngelesPortsmouth
LAX Los Angeles - PSM Portsmouth Pease Intl
LAXPSM
Los Angeles
Wed 12/2
11:40 pm-6:07 pm
2 stops15h 27m
Portsmouth Pease Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$560
Los AngelesPortsmouth
LAX Los Angeles - PSM Portsmouth Pease Intl
LAXPSM
Los Angeles
Wed 12/9
11:40 pm-6:07 pm
2 stops15h 27m
Portsmouth Pease Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$570
Los AngelesPortsmouth
LAX Los Angeles - PSM Portsmouth Pease Intl
LAXPSM
Los Angeles
Thu 12/3
11:10 pm-7:57 pm
2 stops41h 47m
Portsmouth Pease Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$575
Quickest round-trip
Los AngelesPortsmouth
LAX Los Angeles - PSM Portsmouth Pease Intl
LAXPSM
Los Angeles
Mon 11/23
11:15 pm-4:51 pm
2 stops14h 36m
Portsmouth Pease Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$584
Los AngelesPortsmouth
LAX Los Angeles - PSM Portsmouth Pease Intl
LAXPSM
Los Angeles
Wed 11/18
11:40 pm-6:07 pm
2 stops15h 27m
Portsmouth Pease Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$590
Los AngelesPortsmouth
LAX Los Angeles - PSM Portsmouth Pease Intl
LAXPSM
Los Angeles
Tue 12/1
11:40 pm-6:07 pm
3 stops39h 27m
Portsmouth Pease Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$601
Los AngelesPortsmouth
LAX Los Angeles - PSM Portsmouth Pease Intl
LAXPSM
Los Angeles
Thu 1/21
11:10 pm-7:57 pm
2 stops41h 47m
Portsmouth Pease Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$645
Los AngelesPortsmouth
LAX Los Angeles - PSM Portsmouth Pease Intl
LAXPSM
Los Angeles
Thu 1/14
11:10 pm-7:57 pm
2 stops41h 47m
Portsmouth Pease Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$645
Los AngelesPortsmouth
LAX Los Angeles - PSM Portsmouth Pease Intl
LAXPSM
Los Angeles
Wed 12/2
12:51 pm-6:07 pm
3 stops26h 16m
Portsmouth Pease Intl
Sat 12/12
10:22 am-11:00 pm
2 stops15h 38m
$1,078
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Los Angeles 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 Los Angeles to Portsmouth in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Los Angeles-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 Los Angeles-Portsmouth, New Hampshire flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Los Angeles-Portsmouth, New Hampshire flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Los Angeles-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 Los Angeles-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 Los Angeles to Portsmouth
Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Los Angeles with our price prediction graph.
LAX-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 Los Angeles 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
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