$391+ Cheap flights from New York, NY (NYC) to Portsmouth, England
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
NYC — LHR
May 11 — May 181
Round-trip
1 adult, Economy
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Find cheap flights from New York to Portsmouth with Cheapflights
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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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Cheapest flights from New York to PortsmouthExplore the most affordable flight options available from New York to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2026.
Explore the most affordable flight options available from New York to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2026.
This CheapTickets deal was found by Cheapflights users on 4/11. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:35 pm
EWR
- SOU
1 stop10h 00m
Aer Lingus
Tue 4/289:20 am
SOU
- EWR
1 stop11h 45m
Aer Lingus
Deal found 4/11![Aer Lingus logo]()
$786
This Mytrip deal was found by Cheapflights users on 4/6. 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.
Thu 4/238:30 pm
JFK
- SOU
2 stops18h 00m
Multiple Airlines
Wed 5/69:20 am
SOU
- JFK
2 stops15h 00m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$793
This Mytrip deal was found by Cheapflights users on 4/11. 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.
Thu 4/238:25 pm
EWR
- SOU
2 stops18h 05m
Multiple Airlines
Wed 5/69:20 am
SOU
- EWR
2 stops14h 55m
Multiple Airlines
Deal found 4/11![Multiple Airlines logo]()
$796
This Mytrip deal was found by Cheapflights users on 4/11. 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.
Thu 4/235:35 pm
EWR
- SOU
1 stop10h 05m
Aer Lingus
Wed 5/69:20 am
SOU
- EWR
1 stop11h 45m
Aer Lingus
Deal found 4/11![Aer Lingus logo]()
$832
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Mon 9/145:35 pm
EWR
- SOU
1 stop10h 05m
Multiple Airlines
Sat 9/267:25 pm
SOU
- EWR
1 stop30h 35m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$848
This Mytrip deal was found by Cheapflights users on 4/6. 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.
Thu 4/234:55 pm
JFK
- SOU
1 stop10h 45m
Aer Lingus
Wed 5/69:20 am
SOU
- JFK
1 stop15h 00m
Aer Lingus
Deal found 4/6![Aer Lingus logo]()
$850
This Mytrip deal was found by Cheapflights users on 4/10. 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.
Thu 4/235:35 pm
EWR
- SOU
1 stop10h 05m
Aer Lingus
Sun 4/269:20 am
SOU
- EWR
1 stop11h 45m
Aer Lingus
Deal found 4/10![Aer Lingus logo]()
$860
This Mytrip deal was found by Cheapflights users on 4/11. 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.
Tue 5/2611:30 am
EWR
- SOU
3 stops27h 00m
Multiple Airlines
Tue 6/29:20 am
SOU
- EWR
2 stops14h 45m
Multiple Airlines
Deal found 4/11![Multiple Airlines logo]()
$899
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Sat 4/185:35 pm
EWR
- SOU
1 stop10h 00m
Multiple Airlines
Sun 5/38:00 pm
SOU
- EWR
2 stops41h 30m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$927
This Mytrip deal was found by Cheapflights users on 4/11. 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.
Tue 5/268:50 am
LGA
- SOU
2 stops29h 40m
Multiple Airlines
Tue 6/29:20 am
SOU
- LGA
2 stops15h 05m
Multiple Airlines
Deal found 4/11![Multiple Airlines logo]()
$928
This Mytrip deal was found by Cheapflights users on 4/10. 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.
Sat 4/258:25 pm
EWR
- SOU
2 stops15h 25m
Multiple Airlines
Tue 4/285:20 pm
SOU
- EWR
3 stops30h 55m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$931
This Mytrip deal was found by Cheapflights users on 4/6. 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 4/174:15 pm
JFK
- SOU
2 stops22h 15m
Multiple Airlines
Sat 5/26:50 am
SOU
- JFK
3 stops42h 15m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$937
Best flights from New York to PortsmouthDiscover carefully curated flight deals from New York to Portsmouth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 11, 2026.
Discover carefully curated flight deals from New York to Portsmouth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 11, 2026.
This Mytrip deal was found by Cheapflights users on 4/11. 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.
Tue 5/267:25 am
LGA
- SOU
3 stops31h 05m
Multiple Airlines
Tue 6/29:20 am
SOU
- LGA
3 stops17h 10m
Multiple Airlines
Deal found 4/11![Multiple Airlines logo]()
$943
This KLM deal was found by Cheapflights users on 4/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/194:40 pm
JFK
- SOU
1 stop11h 05m
KLM
Wed 9/309:05 am
SOU
- JFK
1 stop32h 28m
KLM
Deal found 4/6![KLM logo]()
$1,086
This Delta deal was found by Cheapflights users on 4/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/254:40 pm
JFK
- SOU
1 stop11h 05m
Delta
Tue 5/59:05 am
SOU
- JFK
1 stop13h 00m
Delta
Deal found 4/10![Delta logo]()
$1,089
This KAYAK deal was found by Cheapflights users on 4/9. 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 4/275:35 pm
EWR
- SOU
1 stop10h 05m
Aer Lingus
Mon 5/118:00 pm
SOU
- EWR
1 stop25h 05m
Aer Lingus
Deal found 4/9![Aer Lingus logo]()
$1,169
This Mytrip deal was found by Cheapflights users on 4/7. 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 5/229:55 am
LGA
- SOU
2 stops28h 35m
Multiple Airlines
Fri 5/299:25 am
SOU
- LGA
3 stops32h 11m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$993
This Delta deal was found by Cheapflights users on 4/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:40 pm
JFK
- SOU
1 stop10h 55m
Delta
Fri 5/89:05 am
SOU
- JFK
1 stop10h 30m
Delta
Deal found 4/10![Delta logo]()
$1,089
This Mytrip deal was found by Cheapflights users on 4/10. 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 8/710:40 am
LGA
- SOU
2 stops25h 10m
Multiple Airlines
Mon 8/1012:20 pm
SOU
- LGA
3 stops31h 17m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$1,022
This KLM deal was found by Cheapflights users on 4/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:40 pm
JFK
- SOU
1 stop10h 55m
KLM
Sat 10/105:20 pm
SOU
- JFK
1 stop26h 15m
KLM
Deal found 4/6![KLM logo]()
$1,136
This Delta deal was found by Cheapflights users on 4/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/244:40 pm
JFK
- SOU
1 stop11h 05m
Delta
Mon 5/45:20 pm
SOU
- JFK
1 stop24h 04m
Delta
Deal found 4/10![Delta logo]()
$1,089
This Mytrip deal was found by Cheapflights users on 4/9. 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.
Sat 5/239:55 am
LGA
- SOU
2 stops25h 55m
Multiple Airlines
Sat 5/309:20 am
SOU
- LGA
3 stops17h 10m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$1,027
This KLM deal was found by Cheapflights users on 4/8. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/142:00 pm
JFK
- SOU
2 stops13h 35m
KLM
Sat 9/265:20 pm
SOU
- JFK
1 stop30h 45m
KLM
Deal found 4/8![KLM logo]()
$1,141
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:00 pm
LGA
- SOU
2 stops15h 45m
Delta
Sun 8/309:15 am
SOU
- LGA
2 stops18h 05m
Delta
Deal found 4/9![Delta logo]()
$1,102
This Delta deal was found by Cheapflights users on 4/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:20 am
LGA
- SOU
2 stops18h 15m
Delta
Wed 5/69:05 am
SOU
- LGA
2 stops17h 54m
Delta
Deal found 4/11![Delta logo]()
$1,103
This Mytrip deal was found by Cheapflights users on 4/11. 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.
Sat 4/258:25 pm
EWR
- SOU
3 stops34h 25m
Multiple Airlines
Tue 4/285:20 pm
SOU
- EWR
3 stops32h 40m
Multiple Airlines
Deal found 4/11![Multiple Airlines logo]()
$1,133
This KLM deal was found by Cheapflights users on 4/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:00 pm
EWR
- SOU
2 stops18h 50m
KLM
Sat 9/265:20 pm
SOU
- EWR
2 stops26h 25m
KLM
Deal found 4/10![KLM logo]()
$1,342
This KAYAK deal was found by Cheapflights users on 4/6. 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 6/65:35 pm
EWR
- SOU
1 stop18h 15m
Aer Lingus
Sat 6/138:00 pm
SOU
- EWR
1 stop25h 05m
Aer Lingus
Deal found 4/6![Aer Lingus logo]()
$1,624
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:40 pm
JFK
- SOU
1 stop10h 55m
Delta
Wed 5/65:20 pm
SOU
- JFK
1 stop24h 04m
Delta
Deal found 4/9![Delta logo]()
$1,137
This Delta deal was found by Cheapflights users on 4/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/254:40 pm
JFK
- SOU
1 stop11h 05m
Delta
Sat 5/99:15 am
SOU
- JFK
1 stop12h 50m
Delta
Deal found 4/10![Delta logo]()
$1,139
This Delta deal was found by Cheapflights users on 4/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:00 pm
JFK
- SOU
2 stops13h 35m
Delta
Sat 10/109:20 am
SOU
- JFK
1 stop12h 47m
Delta
Deal found 4/6![Delta logo]()
$1,140
This British Airways deal was found by Cheapflights users on 4/6. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:35 pm
EWR
- SOU
1 stop9h 30m
British Airways
Mon 7/208:55 am
SOU
- EWR
2 stops15h 30m
British Airways
Deal found 4/6![British Airways logo]()
$4,271
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2611:31 am
JFK
- SOU
2 stops16h 04m
Delta
Sun 5/39:15 am
SOU
- JFK
1 stop32h 09m
Delta
Deal found 4/9![Delta logo]()
$1,141
This Delta deal was found by Cheapflights users on 4/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:00 am
JFK
- SOU
2 stops16h 45m
Delta
Sun 8/309:15 am
SOU
- JFK
2 stops17h 27m
Delta
Deal found 4/6![Delta logo]()
$1,151
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/184:40 pm
JFK
- SOU
1 stop10h 55m
Delta
Sun 5/249:15 am
SOU
- JFK
1 stop12h 50m
Delta
Deal found 4/9![Delta logo]()
$1,177
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:30 am
LGA
- SOU
2 stops19h 05m
Delta
Sun 5/249:15 am
SOU
- LGA
2 stops15h 45m
Delta
Deal found 4/9![Delta logo]()
$1,191
This Delta deal was found by Cheapflights users on 4/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2012:00 pm
LGA
- SOU
2 stops15h 35m
Delta
Mon 5/255:20 pm
SOU
- LGA
2 stops27h 55m
Delta
Deal found 4/8![Delta logo]()
$1,301
This British Airways deal was found by Cheapflights users on 4/6. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:35 pm
EWR
- SOU
1 stop10h 05m
British Airways
Wed 5/138:55 am
SOU
- EWR
2 stops15h 30m
British Airways
Deal found 4/6![British Airways logo]()
$4,271
This Delta deal was found by Cheapflights users on 4/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2110:00 am
LGA
- SOU
2 stops17h 35m
Delta
Thu 5/289:05 am
SOU
- LGA
2 stops15h 55m
Delta
Deal found 4/6![Delta logo]()
$1,361
This British Airways deal was found by Cheapflights users on 4/7. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/75:35 pm
EWR
- SOU
1 stop18h 15m
British Airways
Tue 6/238:55 am
SOU
- EWR
2 stops15h 30m
British Airways
Deal found 4/7![British Airways logo]()
$4,271
This Delta deal was found by Cheapflights users on 4/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:30 am
EWR
- SOU
2 stops18h 05m
Delta
Wed 6/39:05 am
SOU
- EWR
2 stops15h 52m
Delta
Deal found 4/6![Delta logo]()
$1,369
This British Airways deal was found by Cheapflights users on 4/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/225:35 pm
EWR
- SOU
1 stop10h 05m
British Airways
Mon 7/208:55 am
SOU
- EWR
2 stops15h 30m
British Airways
Deal found 4/8![British Airways logo]()
$4,271
Last-minute flights from New York to PortsmouthDiscover last-minute flight deals from New York to Portsmouth. Data last updated April 11, 2026 and is based on user searches.
Discover last-minute flight deals from New York to Portsmouth. Data last updated April 11, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 4/6. 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 4/174:15 pm
JFK
- SOU
2 stops22h 15m
Multiple Airlines
Sat 5/26:50 am
SOU
- JFK
3 stops42h 15m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$937
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Sat 4/185:35 pm
EWR
- SOU
1 stop10h 00m
Multiple Airlines
Sun 5/38:00 pm
SOU
- EWR
2 stops41h 30m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$927
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Sat 4/185:35 pm
EWR
- SOU
1 stop10h 00m
Multiple Airlines
Mon 5/47:20 pm
SOU
- EWR
2 stops30h 40m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$938
This Mytrip deal was found by Cheapflights users on 4/6. 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.
Thu 4/238:30 pm
JFK
- SOU
2 stops18h 00m
Multiple Airlines
Wed 5/69:20 am
SOU
- JFK
2 stops15h 00m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$793
This Mytrip deal was found by Cheapflights users on 4/11. 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.
Thu 4/238:25 pm
EWR
- SOU
2 stops18h 05m
Multiple Airlines
Wed 5/69:20 am
SOU
- EWR
2 stops14h 55m
Multiple Airlines
Deal found 4/11![Multiple Airlines logo]()
$796
This Mytrip deal was found by Cheapflights users on 4/11. 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.
Thu 4/235:35 pm
EWR
- SOU
1 stop10h 05m
Aer Lingus
Wed 5/69:20 am
SOU
- EWR
1 stop11h 45m
Aer Lingus
Deal found 4/11![Aer Lingus logo]()
$832
This Mytrip deal was found by Cheapflights users on 4/6. 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.
Thu 4/234:55 pm
JFK
- SOU
1 stop10h 45m
Aer Lingus
Wed 5/69:20 am
SOU
- JFK
1 stop15h 00m
Aer Lingus
Deal found 4/6![Aer Lingus logo]()
$850
This Mytrip deal was found by Cheapflights users on 4/10. 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.
Thu 4/235:35 pm
EWR
- SOU
1 stop10h 05m
Aer Lingus
Sun 4/269:20 am
SOU
- EWR
1 stop11h 45m
Aer Lingus
Deal found 4/10![Aer Lingus logo]()
$860
This CheapTickets deal was found by Cheapflights users on 4/11. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:35 pm
EWR
- SOU
1 stop10h 00m
Aer Lingus
Tue 4/289:20 am
SOU
- EWR
1 stop11h 45m
Aer Lingus
Deal found 4/11![Aer Lingus logo]()
$786
This Mytrip deal was found by Cheapflights users on 4/10. 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.
Sat 4/258:25 pm
EWR
- SOU
2 stops15h 25m
Multiple Airlines
Tue 4/285:20 pm
SOU
- EWR
3 stops30h 55m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$931
This Mytrip deal was found by Cheapflights users on 4/11. 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.
Tue 5/2611:30 am
EWR
- SOU
3 stops27h 00m
Multiple Airlines
Tue 6/29:20 am
SOU
- EWR
2 stops14h 45m
Multiple Airlines
Deal found 4/11![Multiple Airlines logo]()
$899
This Mytrip deal was found by Cheapflights users on 4/11. 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.
Tue 5/267:25 am
LGA
- SOU
3 stops31h 05m
Multiple Airlines
Tue 6/29:20 am
SOU
- LGA
2 stops15h 05m
Multiple Airlines
Deal found 4/11![Multiple Airlines logo]()
$928
One-way flights from New York to PortsmouthSearch for one-way flight options from New York to Portsmouth. Find affordable one-way fares based on user searches. Data last updated April 11, 2026.
Search for one-way flight options from New York to Portsmouth. Find affordable one-way fares based on user searches. Data last updated April 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Sat 5/235:55 pm
LGA
- SOU
3 stops57h 45m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Sun 5/249:55 am
LGA
- SOU
3 stops41h 45m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Mon 9/145:35 pm
EWR
- SOU
2 stops14h 15m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$422
This Delta deal was found by Cheapflights users on 4/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:35 pm
JFK
- SOU
1 stop13h 15m
Delta
Deal found 4/10![Delta logo]()
$443
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:25 pm
EWR
- SOU
2 stops20h 25m
Delta
Deal found 4/9![Delta logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Sun 5/2410:35 am
EWR
- SOU
3 stops20h 50m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Fri 5/229:55 am
LGA
- SOU
3 stops25h 55m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/84:40 pm
JFK
- SOU
1 stop19h 55m
Delta
Deal found 4/9![Delta logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Sat 5/233:55 pm
EWR
- SOU
3 stops19h 55m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:00 pm
LGA
- SOU
2 stops19h 35m
Delta
Deal found 4/9![Delta logo]()
$469
This Delta deal was found by Cheapflights users on 4/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:10 pm
JFK
- SOU
1 stop14h 40m
Delta
Deal found 4/10![Delta logo]()
$493
This Justfly.com deal was found by Cheapflights users on 4/7. 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.
Mon 9/141:00 pm
JFK
- SOU
2 stops14h 40m
Aer Lingus
Deal found 4/7![Aer Lingus logo]()
$515
Find flight deals from New York to Portsmouth
Keep the following information in mind while searching for New York to Portsmouth flight deals. Data was last updated April 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $786 (CheapTickets) |
One-way from | $391 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $623 |
Cheapflights Fare Finder
Customize your flight search to find flights from New York 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 2,558,603 searches. Data last updated April 11, 2026.
Use the filters below to find and compare flights from New York to Portsmouth that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
New YorkSouthampton
LGA - SOU
LGASOU
New York LaGuardia
Tue 5/26
7:25 am-7:30 pm
3 stops31h 05m
Southampton Eastleigh
Tue 6/2
9:20 am-9:30 pm
3 stops17h 10m
$943
New YorkSouthampton
LGA - SOU
LGASOU
New York LaGuardia
Fri 5/22
9:55 am-7:30 pm
2 stops28h 35m
Southampton Eastleigh
Fri 5/29
9:25 am-12:36 pm
3 stops32h 11m
$993
New YorkSouthampton
LGA - SOU
LGASOU
New York LaGuardia
Fri 8/7
10:40 am-4:50 pm
2 stops25h 10m
Southampton Eastleigh
Mon 8/10
12:20 pm-2:37 pm
3 stops31h 17m
$1,022
New YorkSouthampton
LGA - SOU
LGASOU
New York LaGuardia
Sat 5/23
9:55 am-4:50 pm
2 stops25h 55m
Southampton Eastleigh
Sat 5/30
9:20 am-9:30 pm
3 stops17h 10m
$1,027
New YorkSouthampton
JFK - SOU
JFKSOU
New York John F Kennedy Intl
Sat 9/19
4:40 pm-8:45 am
1 stop11h 05m
Southampton Eastleigh
Wed 9/30
9:05 am-12:33 pm
1 stop32h 28m
$1,086
New YorkSouthampton
JFK - SOU
JFKSOU
New York John F Kennedy Intl
Sat 4/25
4:40 pm-8:45 am
1 stop11h 05m
Southampton Eastleigh
Tue 5/5
9:05 am-5:05 pm
1 stop13h 00m
$1,089
Quickest round-trip
New YorkSouthampton
JFK - SOU
JFKSOU
New York John F Kennedy Intl
Thu 4/23
4:40 pm-8:35 am
1 stop10h 55m
Southampton Eastleigh
Fri 5/8
9:05 am-2:35 pm
1 stop10h 30m
$1,089
New YorkSouthampton
JFK - SOU
JFKSOU
New York John F Kennedy Intl
Fri 4/24
4:40 pm-8:45 am
1 stop11h 05m
Southampton Eastleigh
Mon 5/4
5:20 pm-12:24 pm
1 stop24h 04m
$1,089
New YorkSouthampton
LGA - SOU
LGASOU
New York LaGuardia
Wed 8/19
12:00 pm-8:45 am
2 stops15h 45m
Southampton Eastleigh
Sun 8/30
9:15 am-10:20 pm
2 stops18h 05m
$1,102
New YorkSouthampton
LGA - SOU
LGASOU
New York LaGuardia
Thu 4/23
9:20 am-8:35 am
2 stops18h 15m
Southampton Eastleigh
Wed 5/6
9:05 am-9:59 pm
2 stops17h 54m
$1,103
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from New York to Portsmouth
Have a flexible travel schedule? Discover the best time to fly to Portsmouth from New York with our price prediction graph.
LGA-SOU
EWR-SOU
JFK-SOU
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 New York to Portsmouth
NYC-P0R
LGA-SOU
EWR-SOU
JFK-SOU
What is the cheapest month to book a flight from New York to Portsmouth?
Currently, November is the cheapest month in which you can book a flight from New York to Portsmouth (average of $277). Flying from New York to Portsmouth in June is currently the most expensive (average of $533). 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.
What is the cheapest time of day to fly from NYC to P0R?
Find hourly flight availability from New York to Portsmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 11, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from New York to Portsmouth as you normally would.
Weekly flight availability from New York to Portsmouth
Explore weekly flight availability from New York to Portsmouth. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 11, 2026.
The most flights from NYC to P0R are scheduled on a Wednesday (158 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (140 on average).
Reviews of airlines servicing Portsmouth
Get insights into the airlines that provide service to Portsmouth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portsmouth. Reviews last updated April 11, 2026.
Get a feel of what it's like to fly with KLM and Aer Lingus from New York to Portsmouth by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.7
Entertainment
7.1
Crew
8.4
Food
7.3
Boarding
7.8
Overall
7.8
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Comfort
7.7
Entertainment
7.1
Crew
8.4
Food
7.3
Boarding
7.8
Overall
7.8
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Comfort
7.7
Entertainment
7.1
Crew
8.4
Food
7.3
Boarding
7.8
Overall
7.8
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Related info for your journey
Find useful and relevant information for your journey from New York 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.
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Alternative routes for New York to Portsmouth
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Complete your trip
Complete your trip to Portsmouth by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from New York to Portsmouth by cabin class
Find flights from New York to Portsmouth, based on your preferred cabin class, be it economy, premium economy, business, or first class.
New York and Portsmouth flights
Browse other New York and Portsmouth flight options. Last updated on April 11, 2026.
Other flights from New York
Browse through other flights departing from New York. Flights are based on user searches made on Cheapflights and were last updated on April 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
New York to Portsmouth flights
Consider these flights traveling from New York to Portsmouth.
Top 10 airlines flying from New York to Portsmouth
Discover the top 10 airlines that operate flights from New York to Portsmouth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$45 | Average$542 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$129 | Average$557 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$263 | Average$589 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$293 | Average$482 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$294 | Average$632 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$377 | Average$593 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$413 | Average$698 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$430 | Average$626 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$432 | Average$574 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$440 | Average$667 | FlexibilityNo cancel fee | On-time67% |