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Cheap flights from Portsmouth to Los Angeles from £232

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

£742

One-way from

£232

Popular in

August

Cheapest in

March

Average price

£707
KLM
  • KLM
  • 11/8-25/8
  • 2 total stops
  • 50h 45m total
  • Portsmouth to Los Angeles
8/9
  • 8/9
  • 1 total stop
  • 17h 25m total
  • Portsmouth to Los Angeles
Highest demand for flights based on searches. 15% potential increase in price (£97 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
Average for round-trip flights in June 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 13 June 2025.

Tue 23/1217:20SOU - LAX
1 stop26h 25mDelta
Mon 12/123:59LAX - SOU
2 stops24h 26mDelta
Deal found 12/6£676
Mon 11/809:20SOU - LAX
1 stop34h 30mKLM
Mon 25/816:45LAX - SOU
1 stop16h 15mKLM
Deal found 11/6£742
Sun 27/709:10SOU - LAX
2 stops20h 16mMultiple Airlines
Sun 3/811:50LAX - SOU
2 stops36h 50mMultiple Airlines
Deal found 12/6£825
Sun 27/709:20SOU - LAX
1 stop13h 30mVirgin Atlantic
Sun 3/822:50LAX - SOU
2 stops35h 00mVirgin Atlantic
Deal found 12/6£868

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 13 June 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

Mon 11/8

09:20-11:50

1 stop34h 30m

Los Angeles

Mon 25/8

16:45-17:00

1 stop16h 15m

£742

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 27/7

09:10-21:26

2 stops20h 16m

Los Angeles

Sun 3/8

11:50-08:40

2 stops36h 50m

£825

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 27/7

09:20-14:50

1 stop13h 30m

Los Angeles

Sun 3/8

22:50-17:50

2 stops35h 00m

£868

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 23/6

09:20-14:50

1 stop13h 30m

Los Angeles

Thu 26/6

10:10-17:00

2 stops22h 50m

£1,166

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 8/9

08:05-17:30

1 stop17h 25m

£232

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Wed 9/7

09:10-00:40

2 stops23h 30m

£475

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Tue 26/8

09:20-11:50

1 stop34h 30m

£1,115

Flights are sorted by cheapest return flights first.

Deals found on 10/6

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 13 June 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.

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 13 June 2025.

The most flights from P0R to LAX are scheduled on a Monday (53 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (48 on average).

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 13 June 2025.

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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 23 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 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 (94%), Iberia (91%) or KLM (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 £351. While the most popular route (Southampton Eastleigh - Los Angeles) can be booked for £742 on average our data indicates £3,508 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
Laguna Hills
Woodland Hills
Lancaster
La Puente
Artesia
Cerritos
Aliso Viejo
Culver City
El Segundo
Simi Valley
Dana Point
Calabasas
Inglewood
Vista
Garden Grove
Thousand Oaks
Camarillo
Universal City

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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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest£274Average£546FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Norse Atlantic UKCheapest£307Average£521FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
DeltaCheapest£324Average£521FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Austrian AirlinesCheapest£340Average£469FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Brussels AirlinesCheapest£341Average£492FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
KLMCheapest£342Average£508FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£349Average£453FlexibilityNo cancel feeOn-time77%
Search Air France flights
Scandinavian AirlinesCheapest£353Average£497FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
United AirlinesCheapest£356Average£519FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£363Average£474FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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