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 £375. While the most popular route (Southampton Eastleigh - Los Angeles) can be booked for £616 on average, our data indicates £2,799 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 (97%), Fiji Airways (90%) or Malaysia Airlines (90%) 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.

£577+ Cheap Flights from Portsmouth to Los Angeles

Q: How much does it cost for a return flight from Portsmouth to Los Angeles?

Airfare is below average for this route at the moment. Portsmouth to Los Angeles flights typically cost between £716 and £637 in May. The cheapest return flight price found within the last 3 days was £611 on Aer Lingus (12 May-19 May).

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 28 March 2026.

Tue 12/509:20

SOU

LAX

1 stop17h 05m

Aer Lingus

Tue 19/520:10

LAX

SOU

1 stop15h 20m

Aer Lingus

Deal found 28/3£611

Tue 22/909:15

SOU

LAX

1 stop17h 10m

British Airways

Tue 13/1020:10

LAX

SOU

1 stop15h 20m

British Airways

Deal found 24/3£616

Mon 11/509:20

SOU

LAX

1 stop17h 05m

Multiple Airlines

Mon 18/520:10

LAX

SOU

1 stop15h 20m

Multiple Airlines

Deal found 26/3£619

Wed 29/409:20

SOU

LAX

1 stop17h 05m

British Airways

Tue 5/520:10

LAX

SOU

1 stop15h 20m

British Airways

Deal found 23/3£622

Wed 2/909:20

SOU

LAX

1 stop17h 05m

British Airways

Wed 16/920:10

LAX

SOU

1 stop15h 20m

British Airways

Deal found 25/3£624

Sun 11/1020:00

SOU

LAX

1 stop30h 25m

British Airways

Tue 20/1020:10

LAX

SOU

1 stop15h 20m

British Airways

Deal found 27/3£628

Wed 25/1109:20

SOU

LAX

1 stop17h 10m

British Airways

Wed 2/1220:15

LAX

SOU

1 stop15h 15m

British Airways

Deal found 27/3£628

Wed 2/909:20

SOU

LAX

1 stop17h 05m

British Airways

Tue 15/920:10

LAX

SOU

1 stop15h 20m

British Airways

Deal found 25/3£631

Tue 1/920:00

SOU

LAX

1 stop30h 25m

British Airways

Wed 16/920:10

LAX

SOU

1 stop15h 20m

British Airways

Deal found 25/3£633

Find flight deals from Portsmouth to Los Angeles

Round-trip from	£611
One-way from	£577
Popular in	July
Cheapest in	January
Average price	£544

Aer Lingus
12/5-19/5
2 total stops
32h 25m total
Portsmouth to Los Angeles

Search Deals

2/4
3 total stops
40h 35m total
Portsmouth to Los Angeles

Search Deals

Highest demand for flights based on searches. 31% potential increase in price (£226 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease (£34 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 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 - LAX

SOULAX

Southampton Eastleigh

Mon 11/5

20:00-22:00

2 stops34h 00m

Los Angeles

Mon 18/5

09:00-19:30

2 stops26h 30m

£634

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sat 5/9

09:20-18:25

1 stop17h 05m

Los Angeles

Mon 14/9

20:10-19:30

1 stop15h 20m

£662

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Fri 4/9

09:20-18:25

1 stop17h 05m

Los Angeles

Thu 17/9

20:10-08:40

1 stop28h 30m

£664

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Thu 3/9

09:20-18:25

1 stop17h 05m

Los Angeles

Thu 17/9

20:10-08:40

1 stop28h 30m

£664

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 3/5

20:00-18:25

1 stop30h 25m

Los Angeles

Sun 10/5

20:10-08:40

1 stop28h 30m

£676

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Tue 28/4

20:00-18:25

1 stop30h 25m

Los Angeles

Fri 8/5

20:10-08:35

1 stop28h 25m

£676

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Wed 29/4

09:20-18:25

1 stop17h 05m

Los Angeles

Thu 7/5

20:10-19:30

1 stop15h 20m

£690

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 6/9

09:15-11:50

1 stop34h 35m

Los Angeles

Tue 15/9

10:25-16:50

2 stops22h 25m

£699

Fastest return journey

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 7/9

09:05-14:45

1 stop13h 40m

Los Angeles

Tue 15/9

07:45-08:35

2 stops16h 50m

£699

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 7/9

17:20-11:50

1 stop26h 30m

Los Angeles

Mon 14/9

09:35-16:50

2 stops23h 15m

£699

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 21 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 month to book a flight from Portsmouth to Los Angeles?

Currently, September is the cheapest month in which you can book a flight from Portsmouth to Los Angeles (average of £241). Flying from Portsmouth to Los Angeles in July is currently the most expensive (average of £390). 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 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.

How much does it cost for a return flight from Portsmouth to Los Angeles?

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 (97%), Fiji Airways (90%) or Malaysia Airlines (90%) 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 £375. While the most popular route (Southampton Eastleigh - Los Angeles) can be booked for £616 on average, our data indicates £2,799 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.
What is the cheapest month to book a flight from Portsmouth to Los Angeles?
Currently, September is the cheapest month in which you can book a flight from Portsmouth to Los Angeles (average of £241). Flying from Portsmouth to Los Angeles in July is currently the most expensive (average of £390). 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.

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Top 10 airlines flying from Portsmouth to Los Angeles

Airline	Cheapest	Average	Flexibility	On-time
Iberia	Cheapest£240	Average£506	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Norse Atlantic UK	Cheapest£272	Average£498	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
SWISS	Cheapest£280	Average£557	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Delta	Cheapest£311	Average£525	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Aer Lingus	Cheapest£336	Average£468	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Brussels Airlines	Cheapest£337	Average£459	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Scandinavian Airlines	Cheapest£340	Average£461	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
British Airways	Cheapest£347	Average£484	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
TAP AIR PORTUGAL	Cheapest£349	Average£480	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Austrian Airlines	Cheapest£354	Average£483	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines 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 £577

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 2/4. 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 28 March 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 28 March 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 28 March 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 28 March 2026.

Last-minute flights from Portsmouth to Los AngelesDiscover last-minute flight deals from Portsmouth to Los Angeles. Data last updated 28 March 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to Los Angeles. Data last updated 28 March 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 28 March 2026.

Search for one-way flight options from Portsmouth to Los Angeles. Find affordable one-way fares based on user searches. Data last updated 28 March 2026.

Find flight deals from Portsmouth to Los Angeles

Keep the following information in mind while searching for Portsmouth to Los Angeles flight deals. Data was last updated 28 March 2026.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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

Everything you need to know about your flight from Portsmouth to Los Angeles

What is the cheapest month to book a flight from Portsmouth to Los Angeles?

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 28 March 2026.

How much does it cost for a return flight from Portsmouth to Los Angeles?

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Los Angeles. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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?

What is the cheapest month to book a flight from Portsmouth to Los Angeles?

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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 28 March 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 28 March 2026.

Last-minute flights from Portsmouth to Los Angeles
Discover last-minute flight deals from Portsmouth to Los Angeles. Data last updated 28 March 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 28 March 2026.