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Cheap flights from Portsmouth to Los Angeles from £308

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 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
31 Mar — 7 Apr1
1 adult

Cheap 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 26 March 2025.

Round-trip from

£501

One-way from

£308

Popular in

August

Cheapest in

January

Average price

£584
KLM
  • KLM
  • 24/4-28/4
  • 2 total stops
  • 45h 30m total
  • Portsmouth to Los Angeles
26/4
  • 26/4
  • 3 total stops
  • 44h 52m total
  • Portsmouth to Los Angeles
Highest demand for flights based on searches. 16% potential increase in price (£105 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Average for round-trip flights in March 2025

Find flight deals from Portsmouth to Los Angeles

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 26 March 2025.

Thu 24/409:20SOU - LAX
1 stop13h 30mVirgin Atlantic
Mon 28/406:00LAX - SOU
2 stops18h 50mVirgin Atlantic
Deal found 25/3£501
Sat 10/509:20SOU - LAX
1 stop13h 30mDelta
Sat 17/511:30LAX - SOU
2 stops22h 20mDelta
Deal found 26/3£602
Mon 31/320:00SOU - LAX
2 stops44h 59mAer Lingus
Mon 7/423:05LAX - SOU
2 stops25h 00mAer Lingus
Deal found 26/3£717
Sat 10/518:05SOU - LAX
3 stops35h 42mMultiple Airlines
Sat 17/507:00LAX - SOU
3 stops28h 30mMultiple Airlines
Deal found 26/3£771
Thu 24/417:35SOU - LAX
1 stop29h 15mKLM
Thu 1/516:45LAX - SOU
1 stop32h 00mKLM
Deal found 25/3£833
Mon 31/309:20SOU - LAX
1 stop13h 30mAir France
Mon 7/416:45LAX - SOU
1 stop32h 00mAir France
Deal found 26/3£1,179

Cheapflights Fare Finder

Customise your flight search to find flights from Portsmouth to Los Angeles that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 March 2025.
Use the filters below to find and compare flights from Portsmouth to Los Angeles that are best for you.

Fly from

Portsmouth

Fly to

Los Angeles

Route

Depart

Return

Price

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Thu 24/4

09:20-14:50

1 stop13h 30m

Los Angeles

Mon 28/4

06:00-08:50

2 stops18h 50m

£501

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sat 10/5

09:20-14:50

1 stop13h 30m

Los Angeles

Sat 17/5

11:30-17:50

2 stops22h 20m

£602

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sat 10/5

18:05-21:47

3 stops35h 42m

Los Angeles

Sat 17/5

07:00-19:30

3 stops28h 30m

£771

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Thu 24/4

17:35-14:50

1 stop29h 15m

Los Angeles

Thu 1/5

16:45-08:45

1 stop32h 00m

£833

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Thu 24/4

09:40-09:00

2 stops31h 20m

Los Angeles

Sun 27/4

00:59-19:30

2 stops34h 31m

£1,170

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sat 26/4

08:55-21:47

3 stops44h 52m

£308

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sat 26/4

16:25-18:25

1 stop34h 00m

£473

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Wed 23/4

09:20-14:50

1 stop13h 30m

£1,122

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Wed 23/4

09:20-20:33

2 stops19h 13m

£1,126

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Thu 24/4

09:20-11:50

1 stop34h 30m

£1,184

Flights are sorted by cheapest return flights first.

Deals found on 26/3

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.
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

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

Currently, January is the cheapest month in which you can book a flight from Portsmouth to Los Angeles (average of £575). Flying from Portsmouth to Los Angeles in July is currently the most expensive (average of £811). 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?

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 26 March 2025.

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.

What is the cheapest day to fly from Portsmouth to Los Angeles?

Use this chart to determine the cheapest time to fly return from Portsmouth to Los Angeles. Price data was last updated on 29 September 2024.

Travellers seeking maximum savings on their Portsmouth to Los Angeles flight should consider departing on Tuesday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Los Angeles by month

Plan your trip to Los Angeles by taking into account the average rainfall totals by month.

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.

Temperature in Los Angeles by month

Plan your trip to Los Angeles by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Los Angeles

Get insights into the airlines that provide service to Los Angeles. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Los Angeles. Reviews last updated 26 March 2025.

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very Good

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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?

    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 24 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.

  • What are the cheapest airlines to fly from Portsmouth to Los Angeles one-way?

    One-way options have recently been found by users for as low as £473 on Aer Lingus. Other airlines that offer cheap prices include Virgin Atlantic from £1,122 and Delta from £1,126 one-way.

  • 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 (96%), Fiji Airways (92%) or Malaysia Airlines (92%) 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 £382. While the most popular route (Southampton Eastleigh - Los Angeles) can be booked for £501 on average our data indicates £1,995 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, January is the cheapest month in which you can book a flight from Portsmouth to Los Angeles (average of £575). Flying from Portsmouth to Los Angeles in July is currently the most expensive (average of £811). 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.

See more FAQs

Travelling to a place near Portsmouth?

Book flights to Portsmouth if you plan to visit one of these locations
West Hollywood
Glendale
Woodland Hills
Lancaster
La Puente
Culver City
Artesia
Cerritos
Garden Grove
Aliso Viejo
El Segundo
Simi Valley
Laguna Hills
Calabasas
Thousand Oaks
Camarillo
Universal City
Westlake Village
Inglewood
Cypress

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portsmouth to Los Angeles

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Portsmouth to Los Angeles

Discover the top 10 airlines that operate flights from Portsmouth to Los Angeles. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£303Average£540FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
DeltaCheapest£340Average£570FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
KLMCheapest£359Average£542FlexibilityNo cancel feeOn-time75%
Search KLM flights
Austrian AirlinesCheapest£369Average£522FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Scandinavian AirlinesCheapest£372Average£497FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
SWISSCheapest£374Average£544FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air FranceCheapest£376Average£483FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapest£381Average£497FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Brussels AirlinesCheapest£385Average£574FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
United AirlinesCheapest£392Average£605FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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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