How long is the flight from Portsmouth to Los Angeles?

British Airways can get you from Portsmouth to Los Angeles in just under 17h 05m. Your travel time can differ by up to . The distance from Portsmouth to Los Angeles is about 5434 mi.

In terms of precipitation, rainfall in Los Angeles ranges from 0.0 - 87.0 inches per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit Los Angeles when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Los Angeles, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

What are the cheapest flights from Portsmouth to Los Angeles?

Looking at all options, your cheapest flight can be booked for £324. While the most popular route (Southampton Eastleigh - Los Angeles) can be booked for £484 on average, our data indicates £2,315 when flying from Portsmouth to Los Angeles.

What are the most reliable airlines from Portsmouth to Los Angeles?

No one likes to see their flight delayed. When booking a flight from Portsmouth to Los Angeles consider choosing SriLankan Airlines (95%), Malaysia Airlines (92%) or Fiji Airways (89%) as they are the most reliable in getting you off to your destination on time.

What airport do you fly into for flights to Los Angeles from Portsmouth?

Los Angeles (LAX) is the airport you will fly into if you book a flight from Portsmouth to Los Angeles. You should not have trouble finding flights to Los Angeles from Portsmouth; the airport handles an average of 0 inbound flights from Portsmouth per day. You should also have plenty of airline options to choose from since 20 airlines have flights to the Los Angeles airport from Portsmouth. It is only a 9.4 mi journey from Los Angeles (LAX) to Los Angeles’s city center.

Can I find deals for flights from Portsmouth to Los Angeles that include hotel bookings?

Yes. In addition to deals on Portsmouth to Los Angeles flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Portsmouth to Los Angeles?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Los Angeles.

Can I find deals for business class flights from Portsmouth to Los Angeles?

Yes. Cheapflights offers flight deals from Portsmouth to Los Angeles by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£435+ Cheap Flights from Portsmouth to Los Angeles

Cheap flight deals from Portsmouth to Los Angeles

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Portsmouth to Los Angeles
Explore the most affordable flight options available from Portsmouth to Los Angeles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2026.

Wed 18/1109:20 -

1 stop17h 20m

Wed 25/1120:25 -

1 stop15h 05m

Deal found 7/9£468

Mon 5/1009:20 -

1 stop17h 05m

Mon 12/1020:10 -

1 stop15h 20m

Deal found 7/9£482

Tue 6/1009:15 -

1 stop17h 10m

Mon 12/1020:10 -

1 stop15h 20m

Deal found 10/9£482

Thu 22/1009:20 -

1 stop17h 05m

Thu 29/1021:25 -

1 stop15h 05m

Deal found 7/9£484

Wed 7/1009:20 -

1 stop17h 05m

Wed 28/1021:25 -

1 stop15h 05m

Deal found 9/9£485

Tue 22/909:15 -

1 stop17h 10m

Wed 30/920:10 -

1 stop15h 20m

Deal found 8/9£485

Sun 11/1020:00 -

1 stop30h 25m

Tue 20/1020:10 -

1 stop15h 20m

Deal found 12/9£494

Tue 15/920:00 -

1 stop30h 25m

Fri 25/920:10 -

1 stop28h 25m

Deal found 8/9£497

Thu 17/920:00 -

1 stop30h 25m

Fri 9/1020:10 -

1 stop28h 25m

Deal found 10/9£505

Thu 8/1009:20 -

1 stop17h 05m

Mon 7/1220:25 -

1 stop15h 05m

Deal found 10/9£515

Find flight deals from Portsmouth to Los Angeles

Round-trip from	£468
One-way from	£435
Popular in	December
Cheapest in	February
Average price	£450

British Airways
18/11-25/11
2 total stops
32h 25m total
Portsmouth to Los Angeles

Search Deals

British Airways
6/12-31/12
1 total stop
14h 15m total
Portsmouth to Los Angeles

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (£6 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portsmouth to Los Angeles that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles

SOULAX

Southampton Eastleigh

Mon 11/1

09:20-18:40

1 stop17h 20m

Los Angeles

Wed 31/12

00:00-09:00

Nonstop0h 00m

£447

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles

SOULAX

Southampton Eastleigh

Thu 22/10

09:20-18:25

1 stop17h 05m

Los Angeles

Thu 29/10

21:25-19:30

1 stop15h 05m

£484

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles

SOULAX

Southampton Eastleigh

Tue 22/9

09:15-18:25

1 stop17h 10m

Los Angeles

Wed 30/9

20:10-19:30

1 stop15h 20m

£485

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles

SOULAX

Southampton Eastleigh

Thu 26/11

20:00-18:40

1 stop30h 40m

Los Angeles

Wed 31/12

00:00-09:00

Nonstop0h 00m

£491

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles

SOULAX

Southampton Eastleigh

Mon 8/3

09:20-18:40

1 stop17h 20m

Los Angeles

Mon 29/3

20:10-08:05

1 stop27h 55m

£493

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles

SOULAX

Southampton Eastleigh

Tue 13/10

09:15-18:25

1 stop17h 10m

Los Angeles

Mon 7/12

20:25-19:30

1 stop15h 05m

£515

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles

SOULAX

Southampton Eastleigh

Thu 28/1

09:20-18:40

1 stop17h 20m

Los Angeles

Mon 1/2

20:25-11:50

1 stop31h 25m

£520

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles

SOULAX

Southampton Eastleigh

Thu 8/10

09:20-18:25

1 stop17h 05m

Los Angeles

Sat 5/12

20:25-08:50

1 stop28h 25m

£522

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles

SOULAX

Southampton Eastleigh

Mon 12/10

20:00-18:25

1 stop30h 25m

Los Angeles

Sat 5/12

20:25-08:50

1 stop28h 25m

£532

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles

SOULAX

Southampton Eastleigh

Thu 22/10

09:05-14:45

1 stop13h 40m

Los Angeles

Thu 29/10

06:00-08:10

2 stops19h 10m

£533

Flights are sorted by cheapest return flights first.

Deals found on 12/9

Showing 1-10 of 17 resultsSorted by cheapest first

Best time to book a flight from Portsmouth to Los Angeles

Have a flexible travel schedule? Discover the best time to fly to Los Angeles from Portsmouth with our price prediction graph.

SOU-LAX

Estimated return 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 Portsmouth to Los Angeles

P0R-LAX

SOU-LAX

What is the cheapest time of day to fly from P0R to LAX?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to Los Angeles as you normally would.

Weekly flight availability from Portsmouth to Los Angeles

The most flights from P0R to LAX are scheduled on a Monday (56 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (56 on average).

Related info for your journey

What airport do you fly into for flights to Los Angeles from Portsmouth?
Los Angeles (LAX) is the airport you will fly into if you book a flight from Portsmouth to Los Angeles. You should not have trouble finding flights to Los Angeles from Portsmouth; the airport handles an average of 0 inbound flights from Portsmouth per day. You should also have plenty of airline options to choose from since 20 airlines have flights to the Los Angeles airport from Portsmouth. It is only a 9.4 mi journey from Los Angeles (LAX) to Los Angeles’s city center.
How long is the flight from Portsmouth to Los Angeles?
British Airways can get you from Portsmouth to Los Angeles in just under 17h 05m. Your travel time can differ by up to . The distance from Portsmouth to Los Angeles is about 5434 mi.
What are the most reliable airlines from Portsmouth to Los Angeles?
No one likes to see their flight delayed. When booking a flight from Portsmouth to Los Angeles consider choosing SriLankan Airlines (95%), Malaysia Airlines (92%) or Fiji Airways (89%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Portsmouth to Los Angeles?
Looking at all options, your cheapest flight can be booked for £324. While the most popular route (Southampton Eastleigh - Los Angeles) can be booked for £484 on average, our data indicates £2,315 when flying from Portsmouth to Los Angeles.
Can I find deals for flights from Portsmouth to Los Angeles that include hotel bookings?
Yes. In addition to deals on Portsmouth to Los Angeles flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Portsmouth to Los Angeles?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Los Angeles.
Can I find deals for business class flights from Portsmouth to Los Angeles?
Yes. Cheapflights offers flight deals from Portsmouth to Los Angeles by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top 10 airlines flying from Portsmouth to Los Angeles

Airline	Cheapest	Average	Flexibility	On-time
Brussels Airlines	Cheapest£332	Average£492	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Norse Atlantic UK	Cheapest£337	Average£520	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Delta	Cheapest£338	Average£592	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
TAP AIR PORTUGAL	Cheapest£344	Average£469	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
SWISS	Cheapest£344	Average£533	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Aer Lingus	Cheapest£345	Average£495	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Austrian Airlines	Cheapest£350	Average£488	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Virgin Atlantic	Cheapest£356	Average£494	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£358	Average£490	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	Cheapest£360	Average£585	FlexibilityNo cancel fee	On-time75%	Search KLM flights

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How does Cheapflights help users find flights from Portsmouth to Los Angeles?

Deals for Portsmouth to Los Angeles flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Los Angeles?

Millions of users choose and trust Cheapflights to book the best flight deals from Portsmouth to Los Angeles for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Portsmouth to Los Angeles with no change fees?

Need flexible booking options for your flight to Los Angeles from Portsmouth? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Portsmouth to Los Angeles become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Los Angeles from Portsmouth today and book when prices fit your budget.

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Cheap flights from Portsmouth to Los Angeles from £435

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portsmouth to Los Angeles

Cheapest flights from Portsmouth to Los AngelesExplore the most affordable flight options available from Portsmouth to Los Angeles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2026.

Explore the most affordable flight options available from Portsmouth to Los Angeles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2026.

Best flights from Portsmouth to Los AngelesDiscover carefully curated flight deals from Portsmouth to Los Angeles that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Discover carefully curated flight deals from Portsmouth to Los Angeles that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Last-minute flights from Portsmouth to Los AngelesDiscover last-minute flight deals from Portsmouth to Los Angeles. Data last updated 12 September 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to Los Angeles. Data last updated 12 September 2026 and is based on user searches.

One-way flights from Portsmouth to Los AngelesSearch for one-way flight options from Portsmouth to Los Angeles. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

Search for one-way flight options from Portsmouth to Los Angeles. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

Find flight deals from Portsmouth to Los Angeles

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Portsmouth to Los Angeles that are best for you.

Best time to book a flight from Portsmouth to Los Angeles

Have a flexible travel schedule? Discover the best time to fly to Los Angeles from Portsmouth with our price prediction graph.

Cheapflights Insights

What is the cheapest time of day to fly from P0R to LAX?

Find hourly flight availability from Portsmouth to Los Angeles. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 September 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to Los Angeles as you normally would.

Weekly flight availability from Portsmouth to Los Angeles

The most flights from P0R to LAX are scheduled on a Monday (56 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (56 on average).

Related info for your journey

What airport do you fly into for flights to Los Angeles from Portsmouth?

How long is the flight from Portsmouth to Los Angeles?

What are the most reliable airlines from Portsmouth to Los Angeles?

What are the cheapest flights from Portsmouth to Los Angeles?

Can I find deals for flights from Portsmouth to Los Angeles that include hotel bookings?

How can I find direct flights from Portsmouth to Los Angeles?

Can I find deals for business class flights from Portsmouth to Los Angeles?

Travelling to a place near Los Angeles?

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Alternative routes for Portsmouth to Los Angeles

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Complete your trip

Complete your trip to Los Angeles by adding a car hire and/or hotel booking to your travel itinerary.

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Other flights to Los Angeles

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Portsmouth and Los Angeles flights

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Top 10 airlines flying from Portsmouth to Los Angeles

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Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Los Angeles?

Can Cheapflights find flights from Portsmouth to Los Angeles with no change fees?

Can Cheapflights notify me if prices for flights from Portsmouth to Los Angeles become cheaper?

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Cheapest flights from Portsmouth to Los Angeles
Explore the most affordable flight options available from Portsmouth to Los Angeles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2026.

Best flights from Portsmouth to Los Angeles
Discover carefully curated flight deals from Portsmouth to Los Angeles that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Last-minute flights from Portsmouth to Los Angeles
Discover last-minute flight deals from Portsmouth to Los Angeles. Data last updated 12 September 2026 and is based on user searches.

One-way flights from Portsmouth to Los Angeles
Search for one-way flight options from Portsmouth to Los Angeles. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.