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Find cheap flights to Portsmouth, New Hampshire in 2026/2027 from $3,320 This is the cheapest return flight found to Portsmouth, New Hampshire from Australia on FlightsFinder on September 7th 2026 at 06:51. This offer may no longer be available. Click the offer to check live prices & dates of travel.
Our Flight Finder compares the cheapest flights to Portsmouth, New Hampshire from the most established flight comparison sites.
Fly to Portsmouth, New Hampshire and visit sites like Strawbery Banke Museum, Water Country Water Park, Prescott Park & USS Albacore Museum.
1. Enter your search requirements for Portsmouth, New Hampshire
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These economy flights were found on FlightsFinder from Australia to Portsmouth, New Hampshire in the last few days. Prices subject to availability.
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These economy flights were found on FlightsFinder from Australia to Portsmouth, New Hampshire in the last few days. Prices subject to availability.
No flights found for this month.
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According to our data, November is on average the cheapest time to book flights to Portsmouth, New Hampshire.
You can get flights from $3,324 return.
According to our data, April is on average the most expensive time to book flights to Portsmouth, New Hampshire.
A return flight could set you back more than $4,944.
Located along the picturesque coastline of New Hampshire, Portsmouth seamlessly blends historic charm with a vibrant modern energy. This coastal city boasts a rich maritime heritage, evident in its well-preserved colonial architecture and bustling waterfront. Visitors can explore local boutiques, art galleries, and fine dining establishments in the vibrant downtown area, or unwind on the sandy shores of nearby beaches. With its inviting atmosphere, cultural attractions, and scenic views of the Piscataqua River, Portsmouth offers a delightful blend of history, culture, and natural beauty that captivates travelers from near and far.
A good price for a flight to Boston is $2988 - $3652.
The popular airports near Portsmouth, New Hampshire are: Portsmouth International Airport at Pease (PSM), Manchester-Boston Regional Airport (MHT), and Boston Logan International Airport (BOS).
The flight to Portsmouth, New Hampshire (PSM) is roughly 22 hours 57 minutes and 10,107 miles (16,265 kilometres) from Sydney, Australia - Kingsford Smith Airport (SYD).
The best way is to compare flights to Portsmouth, New Hampshire from leading comparison sites using our search engine dashboard.
We have currently found no direct flights to Portsmouth, New Hampshire.
Here is the average weather forecast in Portsmouth, New Hampshire by month:
• Jan: 0°C
• Feb: 0°C
• Mar: 5°C
• Apr: 11°C
• May: 18°C
• Jun: 23°C
• Jul: 26°C
• Aug: 25°C
• Sep: 21°C
• Oct: 15°C
• Nov: 9°C
• Dec: 1°C
The Portsmouth International Airport at Pease is located approximately 4 miles (6.4 km) from the city center of Portsmouth, New Hampshire.
Typically, flights are cheapest to Portsmouth, New Hampshire 2 months before departure.
Studies show flights to Portsmouth, New Hampshire are typically cheaper on Tuesdays and Wednesdays.
18.8 °C
Sat, 12 Sep 2026
Average Temperature
0°C
Jan
0°C
Feb
5°C
Mar
11°C
Apr
18°C
May
23°C
Jun
26°C
Jul
25°C
Aug
21°C
Sep
15°C
Oct
9°C
Nov
1°C
Dec
Sydney, Australia - Kingsford Smith Airport (SYD) to Portsmouth, New Hampshire (PSM)
Distance:
10,107 miles (16,265 kilometres)
Average flight time (direct 22 hours 57 minutes)
Brisbane, Australia - Brisbane International Airport (BNE) to Portsmouth, New Hampshire (PSM)
Distance:
9,768 miles (15,719 kilometres)
Average flight time (direct 22 hours 12 minutes)
Melbourne, Australia - All Airports (MEL) to Portsmouth, New Hampshire (PSM)
Distance:
10,538 miles (16,959 kilometres)
Average flight time (direct 23 hours 55 minutes)
Perth, Australia - Perth International Airport (PER) to Portsmouth, New Hampshire (PSM)
Distance:
11,583 miles (18,640 kilometres)
Average flight time (direct 26 hours 14 minutes)
Cairns, Australia - Cairns International Airport (CNS) to Portsmouth, New Hampshire (PSM)
Distance:
9,634 miles (15,504 kilometres)
Average flight time (direct 21 hours 54 minutes)
Adelaide, Australia - Adelaide International Airport (ADL) to Portsmouth, New Hampshire (PSM)
Distance:
10,774 miles (17,339 kilometres)
Average flight time (direct 24 hours 26 minutes)
Darwin, Australia - Darwin International Airport (DRW) to Portsmouth, New Hampshire (PSM)
Distance:
9,953 miles (16,019 kilometres)
Average flight time (direct 22 hours 37 minutes)
Gold Coast, Australia - Coolangatta Airport (OOL) to Portsmouth, New Hampshire (PSM)
Distance:
9,779 miles (15,738 kilometres)
Average flight time (direct 22 hours 13 minutes)
Townsville, Australia - Townsville International Airport (TSV) to Portsmouth, New Hampshire (PSM)
Distance:
9,708 miles (15,623 kilometres)
Average flight time (direct 22 hours 4 minutes)
Mount Isa, Australia - Mount Isa Airport (ISA) to Portsmouth, New Hampshire (PSM)
Distance:
10,102 miles (16,257 kilometres)
Average flight time (direct 22 hours 56 minutes)
Kununurra, Australia - Kununurra Airport (KNX) to Portsmouth, New Hampshire (PSM)
Distance:
10,227 miles (16,458 kilometres)
Average flight time (direct 23 hours 13 minutes)
Newcastle, Australia - Williamtown Metropolitan Area Airport (NTL) to Portsmouth, New Hampshire (PSM)
Distance:
10,035 miles (16,149 kilometres)
Average flight time (direct 22 hours 47 minutes)
Mackay, Australia - Mackay Airport (MKY) to Portsmouth, New Hampshire (PSM)
Distance:
9,688 miles (15,591 kilometres)
Average flight time (direct 22 hours 1 minute)
Hobart, Australia - Hobart International Airport (HBA) to Portsmouth, New Hampshire (PSM)
Distance:
10,516 miles (16,923 kilometres)
Average flight time (direct 23 hours 52 minutes)
Launceston, Australia - Launceston Airport (LST) to Portsmouth, New Hampshire (PSM)
Distance:
10,507 miles (16,910 kilometres)
Average flight time (direct 23 hours 50 minutes)
Cloncurry, Australia - Cloncurry Airport (CNJ) to Portsmouth, New Hampshire (PSM)
Distance:
10,058 miles (16,187 kilometres)
Average flight time (direct 22 hours 51 minutes)
Paraburdoo, Australia - Paraburdoo Airport (PBO) to Portsmouth, New Hampshire (PSM)
Distance:
10,977 miles (17,665 kilometres)
Average flight time (direct 24 hours 53 minutes)
Karratha, Australia - Karratha Airport (KTA) to Portsmouth, New Hampshire (PSM)
Distance:
10,830 miles (17,429 kilometres)
Average flight time (direct 24 hours 34 minutes)
Kalgoorlie-Boulder, Australia - Kalgoorlie-Boulder Airport (KGI) to Portsmouth, New Hampshire (PSM)
Distance:
11,352 miles (18,270 kilometres)
Average flight time (direct 25 hours 43 minutes)
Learmonth, Australia - Learmonth Airport (LEA) to Portsmouth, New Hampshire (PSM)
Distance:
10,969 miles (17,653 kilometres)
Average flight time (direct 24 hours 52 minutes)
Port Macquarie, Australia - Port Macquarie Airport (PQQ) to Portsmouth, New Hampshire (PSM)
Distance:
9,935 miles (15,989 kilometres)
Average flight time (direct 22 hours 34 minutes)
Port Hedland, Australia - Port Hedland International Airport (PHE) to Portsmouth, New Hampshire (PSM)
Distance:
10,776 miles (17,342 kilometres)
Average flight time (direct 24 hours 26 minutes)
Canberra, Australia - Canberra Airport (CBR) to Portsmouth, New Hampshire (PSM)
Distance:
10,250 miles (16,496 kilometres)
Average flight time (direct 23 hours 16 minutes)
From Brisbane (BNE), Australia to Boston, United States (PSM): $3,320
Depart: 18 Nov 2026 · Return: 23 Nov 2026 Price found 07 Sep 2026, 06:51
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