How long is the flight from Portsmouth to Los Angeles?

KLM and Delta can get you from Portsmouth to Los Angeles in just under 21h 54m. Your travel time can differ by up to 7h 31m. The distance from Portsmouth to Los Angeles is about 5434 mi. This flight may include one or multiple stops.

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 £311. While the most popular route (Southampton Eastleigh - Los Angeles Los Angeles) can be booked for £542 on average, our data indicates £2,247 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 (100%), 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 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.

£434+ 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 15 August 2026.

Tue 15/909:15 -

1 stop17h 10m

Tue 22/920:10 -

1 stop15h 20m

Deal found 14/8£542

Tue 8/909:15 -

1 stop17h 10m

Mon 14/920:10 -

1 stop15h 20m

Deal found 10/8£543

Sun 27/917:20 -

1 stop29h 25m

Sun 4/1016:45 -

1 stop31h 50m

Deal found 12/8£594

Tue 15/917:20 -

1 stop29h 25m

Tue 22/908:25 -

2 stops16h 20m

Deal found 14/8£597

Thu 10/917:20 -

1 stop29h 25m

Thu 17/923:55 -

2 stops24h 50m

Deal found 10/8£612

Tue 8/909:05 -

2 stops21h 05m

Mon 14/906:10 -

2 stops18h 25m

Deal found 11/8£614

Tue 8/917:20 -

1 stop29h 25m

Mon 14/916:45 -

1 stop32h 00m

Deal found 11/8£617

Find flight deals from Portsmouth to Los Angeles

Round-trip from	£542
One-way from	£434
Popular in	December
Cheapest in	February
Average price	£528

Aer Lingus
15/9-22/9
2 total stops
32h 30m total
Portsmouth to Los Angeles

Search Deals

British Airways
28/10
1 total stop
17h 10m total
Portsmouth to Los Angeles

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (£9 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 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 Los Angeles

SOULAX

Southampton Eastleigh

Sun 27/9

17:20-14:45

1 stop29h 25m

Los Angeles Los Angeles

Sun 4/10

08:25-08:35

2 stops16h 10m

£597

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Thu 10/9

17:20-14:45

1 stop29h 25m

Los Angeles Los Angeles

Thu 17/9

23:55-08:45

2 stops24h 50m

£612

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Thu 17/12

08:40-22:34

2 stops21h 54m

Los Angeles Los Angeles

Wed 6/1

07:00-08:10

2 stops17h 10m

£677

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Mon 14/12

08:40-20:50

2 stops20h 10m

Los Angeles Los Angeles

Wed 6/1

07:00-08:10

2 stops17h 10m

£677

Fastest return journey

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Mon 9/11

09:20-18:30

1 stop17h 10m

Los Angeles Los Angeles

Mon 30/11

20:15-19:30

1 stop15h 15m

£705

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Mon 8/2

09:20-18:30

1 stop17h 10m

Los Angeles Los Angeles

Mon 1/3

20:15-19:30

1 stop15h 15m

£705

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Thu 10/9

09:20-18:25

1 stop17h 05m

Los Angeles Los Angeles

Thu 1/10

20:10-19:30

1 stop15h 20m

£707

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Wed 9/9

17:20-18:25

1 stop33h 05m

Los Angeles Los Angeles

Wed 30/9

20:10-19:30

1 stop15h 20m

£716

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Fri 13/11

20:00-18:30

1 stop30h 30m

Los Angeles Los Angeles

Fri 4/12

20:15-08:40

1 stop28h 25m

£718

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Wed 10/2

09:20-18:30

1 stop17h 10m

Los Angeles Los Angeles

Wed 3/3

20:50-08:25

2 stops27h 35m

£720

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 19 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 (57 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (57 on average).

Related info for your journey

What airport do you fly into for flights to Los Angeles from Portsmouth?
Los Angeles 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?
KLM and Delta can get you from Portsmouth to Los Angeles in just under 21h 54m. Your travel time can differ by up to 7h 31m. The distance from Portsmouth to Los Angeles is about 5434 mi. This flight may include one or multiple stops.
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 (100%), 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 £311. While the most popular route (Southampton Eastleigh - Los Angeles Los Angeles) can be booked for £542 on average, our data indicates £2,247 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
Norse Atlantic UK	Cheapest£304	Average£548	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Aer Lingus	Cheapest£330	Average£455	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Scandinavian Airlines	Cheapest£337	Average£465	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Delta	Cheapest£338	Average£578	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Brussels Airlines	Cheapest£343	Average£462	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
SWISS	Cheapest£344	Average£519	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Austrian Airlines	Cheapest£349	Average£484	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
TAP AIR PORTUGAL	Cheapest£350	Average£479	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Virgin Atlantic	Cheapest£356	Average£488	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£360	Average£488	FlexibilityNo cancel fee	On-time70%	Search British Airways 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 £434

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 28/10. 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 15 August 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 15 August 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 15 August 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 15 August 2026.

Last-minute flights from Portsmouth to Los AngelesDiscover last-minute flight deals from Portsmouth to Los Angeles. Data last updated 15 August 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to Los Angeles. Data last updated 15 August 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 15 August 2026.

Search for one-way flight options from Portsmouth to Los Angeles. Find affordable one-way fares based on user searches. Data last updated 15 August 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 15 August 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 (57 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (57 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 15 August 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 15 August 2026.

Last-minute flights from Portsmouth to Los Angeles
Discover last-minute flight deals from Portsmouth to Los Angeles. Data last updated 15 August 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 15 August 2026.