Cheap flights from Los Angeles, CA to Portsmouth, MA

Flights starting at $154. Choose between Allegiant Air, Spirit Airlines, or Frontier Airlines to find the best price.

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The most popular airlines for this route are Allegiant Air, Spirit Airlines, Frontier Airlines, JetBlue Airways, and Alaska Airlines. Los Angeles and Portsmouth have 89 direct flights per week.

Check-in for a flight from Los Angeles to Portsmouth

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Allegiant AirAAYG4NoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
JetBlue AirwaysJBUB6NoOpens 24 days before flight
Closes 2 hours before flight
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight

Weather in Portsmouth

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January0°C-6°C
February1°C-5°C
March5°C-2°C
April11°C3°C
May17°C8°C
June21°C13°C
July25°C17°C
August25°C17°C
September21°C13°C
October15°C8°C
November9°C2°C
December3°C-1°C
Hottest Month
25°C
July
Coldest month
-6°C
January
Sunny days
255
days per year
Snow days
19
days per year

14 day forecast

Monday
18 Mar
8°C1°C
25 Mar
4°C-4°C
Tuesday
19 Mar
6°C0°C
26 Mar
6°C-1°C
Wednesday
20 Mar
87%
9°C0°C
27 Mar
11°C0°C
Thursday
21 Mar
3°C-5°C
28 Mar
89%
14°C7°C
Friday
22 Mar
5°C-7°C
29 Mar
80%
12°C5°C
Saturday
23 Mar
60%
10°C0°C
30 Mar
15°C4°C
Sunday
24 Mar
0°C-7°C
31 Mar
19°C7°C

Frequently asked questions

What are the most popular routes to and from Los Angeles?
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What airports are near Los Angeles?
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Is it possible to combine flights, buses, and trains in one itinerary when traveling between Los Angeles and Portsmouth?
What is Virtual Interlining and how do I use it?
Which airlines fly between Los Angeles and Portsmouth?
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How many airports are there near Portsmouth?
What time do nonstop (direct) flights between Los Angeles and Portsmouth depart?
What time do nonstop (direct) flights between Los Angeles and Portsmouth arrive?
What time do flights between Los Angeles and Portsmouth depart?
What time do flights between Los Angeles and Portsmouth arrive?

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