How long is the flight from Portsmouth to Los Angeles?

Delta and Virgin Atlantic can get you from Portsmouth to Los Angeles in just under 19h 45m. Your travel time can differ by up to 18h 48m. 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 £348. While the most popular route (Southampton Eastleigh - Los Angeles) can be booked for £509 on average, our data indicates £2,642 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 (93%), Royal Jordanian (87%) or Air Canada (87%) 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.

£317+ Flights from Portsmouth to Los Angeles

Cheap flight deals from Portsmouth to Los Angeles

Enter your travel dates to find the best prices.

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Best

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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 1 March 2026.

Mon 13/409:10

SOU

LAX

1 stop17h 15m

Aer Lingus

Mon 20/420:10

LAX

SOU

1 stop15h 20m

Aer Lingus

Deal found 27/2£509

Sun 12/420:00

SOU

LAX

1 stop30h 25m

Aer Lingus

Sun 19/420:10

LAX

SOU

1 stop15h 20m

Aer Lingus

Deal found 27/2£548

Sun 11/1017:20

SOU

LAX

1 stop33h 05m

Multiple Airlines

Tue 20/1017:05

LAX

SOU

2 stops18h 25m

Multiple Airlines

Deal found 27/2£561

Mon 13/409:10

SOU

LAX

1 stop17h 15m

Multiple Airlines

Mon 20/420:20

LAX

SOU

2 stops27h 45m

Multiple Airlines

Deal found 27/2£563

Tue 14/420:00

SOU

LAX

1 stop30h 25m

Multiple Airlines

Tue 21/418:00

LAX

SOU

2 stops17h 30m

Multiple Airlines

Deal found 28/2£568

Sun 12/420:00

SOU

LAX

2 stops34h 00m

Multiple Airlines

Sun 19/420:10

LAX

SOU

1 stop15h 20m

Multiple Airlines

Deal found 27/2£583

Find flight deals from Portsmouth to Los Angeles

Round-trip from	£509
One-way from	£283
Popular in	July
Cheapest in	January
Average price	£546

Aer Lingus
13/4-20/4
2 total stops
32h 35m total
Portsmouth to Los Angeles

Search Deals

29/4
2 total stops
47h 55m total
Portsmouth to Los Angeles

Search Deals

Highest demand for flights based on searches. 31% potential increase in price (£220 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

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Tue 14/4

20:00-18:25

1 stop30h 25m

Los Angeles

Tue 21/4

18:00-19:30

2 stops17h 30m

£568

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 13/4

09:05-20:50

2 stops19h 45m

Los Angeles

Mon 20/4

16:45-16:50

1 stop16h 05m

£599

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 12/4

17:20-23:53

2 stops38h 33m

Los Angeles

Sun 19/4

19:24-16:50

2 stops37h 26m

£703

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Fri 28/8

06:50-18:20

2 stops19h 30m

Los Angeles

Fri 18/9

20:55-09:45

2 stops28h 50m

£743

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Thu 27/8

06:50-18:20

2 stops19h 30m

Los Angeles

Thu 17/9

17:05-19:25

2 stops18h 20m

£777

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Thu 4/6

06:50-18:20

2 stops19h 30m

Los Angeles

Mon 8/6

17:05-19:25

2 stops18h 20m

£833

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sat 30/5

06:50-18:20

2 stops19h 30m

Los Angeles

Sat 20/6

20:10-19:30

1 stop15h 20m

£843

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Thu 25/6

09:10-18:25

1 stop17h 15m

Los Angeles

Mon 29/6

20:10-19:30

1 stop15h 20m

£909

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Thu 28/5

09:10-18:25

1 stop17h 15m

Los Angeles

Thu 18/6

20:10-19:30

1 stop15h 20m

£912

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Tue 12/5

20:00-18:25

1 stop30h 25m

£476

Flights are sorted by cheapest return flights first.

Deals found on 26/2

Showing 1-10 of 14 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 £237). Flying from Portsmouth to Los Angeles in July is currently the most expensive (average of £386). 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.

Weekly flight availability from Portsmouth to Los Angeles

The most flights from P0R to LAX are scheduled on a Saturday (52 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (46 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?
Delta and Virgin Atlantic can get you from Portsmouth to Los Angeles in just under 19h 45m. Your travel time can differ by up to 18h 48m. 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 (93%), Royal Jordanian (87%) or Air Canada (87%) 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 £348. While the most popular route (Southampton Eastleigh - Los Angeles) can be booked for £509 on average, our data indicates £2,642 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 £237). Flying from Portsmouth to Los Angeles in July is currently the most expensive (average of £386). 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£237	Average£523	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Norse Atlantic UK	Cheapest£269	Average£496	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
SWISS	Cheapest£276	Average£536	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Delta	Cheapest£306	Average£522	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Aer Lingus	Cheapest£332	Average£493	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Brussels Airlines	Cheapest£332	Average£463	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Scandinavian Airlines	Cheapest£338	Average£456	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
British Airways	Cheapest£343	Average£473	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Austrian Airlines	Cheapest£348	Average£478	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
TAP AIR PORTUGAL	Cheapest£351	Average£476	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights

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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 £317

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 28/4. 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 1 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 1 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 1 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 1 March 2026.

Last-minute flights from Portsmouth to Los AngelesDiscover last-minute flight deals from Portsmouth to Los Angeles. Data last updated 1 March 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to Los Angeles. Data last updated 1 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 1 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 1 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 1 March 2026.

Round-trip from

One-way from

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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 1 March 2026.

Weekly flight availability from Portsmouth to Los Angeles

Explore weekly flight availability from Portsmouth to Los Angeles. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 1 March 2026.

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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Alternative routes for Portsmouth to Los Angeles

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Complete your trip

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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 1 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 1 March 2026.

Last-minute flights from Portsmouth to Los Angeles
Discover last-minute flight deals from Portsmouth to Los Angeles. Data last updated 1 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 1 March 2026.