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Cheap flights from Portsmouth to Pasadena from £576

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
2 Jul — 9 Jul1
1 adult

Cheap flight deals from Portsmouth to Pasadena

Keep the following information in mind while searching for Portsmouth to Pasadena flight deals. Data was last updated 27 June 2025.

Round-trip from

£576

Popular in

August

Cheapest in

March

Average price

£700
Delta
  • Delta
  • 7/7-14/7
  • 4 total stops
  • 37h 21m total
  • Portsmouth to Pasadena
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£96 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Portsmouth to Pasadena

Cheapest flights from Portsmouth to Pasadena
Explore the most affordable flight options available from Portsmouth to Pasadena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 June 2025.

Mon 7/709:20SOU - LAX
2 stops19h 11mDelta
Mon 14/706:40LAX - SOU
2 stops18h 10mDelta
Deal found 26/6£576
Mon 7/718:25SOU - LAX
1 stop28h 25mKLM
Mon 14/708:45LAX - SOU
2 stops16h 05mKLM
Deal found 26/6£577
Fri 8/818:25SOU - LAX
2 stops35h 10mVirgin Atlantic
Fri 15/807:00LAX - SOU
2 stops26h 00mVirgin Atlantic
Deal found 26/6£662
Fri 8/820:00SOU - LAX
2 stops32h 27mAer Lingus
Fri 15/820:15LAX - SOU
1 stop28h 20mAer Lingus
Deal found 26/6£803
Fri 8/816:15SOU - LAX
3 stops36h 01mMultiple Airlines
Fri 15/821:25LAX - SOU
2 stops27h 10mMultiple Airlines
Deal found 26/6£908

Cheapflights Fare Finder

Customise your flight search to find flights from Portsmouth to Pasadena 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 27 June 2025.
Use the filters below to find and compare flights from Portsmouth to Pasadena that are best for you.

Fly from

Portsmouth

Fly to

Pasadena

Route

Depart

Return

Price

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 7/7

09:20-20:31

2 stops19h 11m

Los Angeles

Mon 14/7

06:40-08:50

2 stops18h 10m

£576

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 7/7

18:25-14:50

1 stop28h 25m

Los Angeles

Mon 14/7

08:45-08:50

2 stops16h 05m

£577

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Fri 8/8

18:25-21:35

2 stops35h 10m

Los Angeles

Fri 15/8

07:00-17:00

2 stops26h 00m

£662

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Fri 8/8

20:00-20:27

2 stops32h 27m

Los Angeles

Fri 15/8

20:15-08:35

1 stop28h 20m

£803

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Fri 8/8

16:15-20:16

3 stops36h 01m

Los Angeles

Fri 15/8

21:25-08:35

2 stops27h 10m

£908

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 27/7

20:00-23:57

2 stops35h 57m

£941

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Tue 26/8

17:35-11:50

1 stop26h 15m

£1,112

Flights are sorted by cheapest return flights first.

Deals found on 26/6

Best time to book a flight from Portsmouth to Pasadena

Have a flexible travel schedule? Discover the best time to fly to Pasadena 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 Pasadena

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

Currently, January is the cheapest month in which you can book a flight from Portsmouth to Pasadena (average of £575). Flying from Portsmouth to Pasadena 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 P4S?

Find hourly flight availability from Portsmouth to Pasadena. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 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 Pasadena as you normally would.

What is the cheapest day to fly from Portsmouth to Pasadena?

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

Travellers seeking maximum savings on their Portsmouth to Pasadena 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 Pasadena

Explore weekly flight availability from Portsmouth to Pasadena. 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 27 June 2025.

The most flights from P0R to P4S are scheduled on a Friday (54 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (53 on average).

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

Reviews of airlines servicing Pasadena

Get insights into the airlines that provide service to Pasadena. 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 Pasadena. Reviews last updated 27 June 2025.
See what other customers who have flown with Delta, KLM, andVirgin Atlantic from Portsmouth to Pasadena have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,963 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

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
Delta
8.0
Very Good
7,963 reviews
Delta
8.0
Very Good
7,963 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

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
KLM
7.8
Good
1,365 reviews
Delta
8.0
Very Good
7,963 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

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
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very Good
7,963 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

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
Aer Lingus
7.1
Good
1,133 reviews
Delta
8.0
Very Good
7,963 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

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 Pasadena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the most reliable airlines from Portsmouth to Pasadena?

    No one likes to see their flight delayed. When booking a flight from Portsmouth to Pasadena consider choosing SriLankan Airlines (94%), KLM (89%) or Air France (89%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Portsmouth to Pasadena?

    On average you can expect to pay £3,220 for a flight from Portsmouth to Pasadena. The cheapest flight overall is £349 while the most popular route, (Southampton Eastleigh - Los Angeles) is currently priced at £576.

  • Can I find deals for flights from Portsmouth to Pasadena that include hotel bookings?

    Yes. In addition to deals on Portsmouth to Pasadena flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portsmouth to Pasadena?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Pasadena.

  • Can I find deals for business class flights from Portsmouth to Pasadena?

    Yes. Cheapflights offers flight deals from Portsmouth to Pasadena 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 Pasadena?

    Currently, January is the cheapest month in which you can book a flight from Portsmouth to Pasadena (average of £575). Flying from Portsmouth to Pasadena 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

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Alternative routes for Portsmouth to Pasadena

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Top 10 airlines flying from Portsmouth to Pasadena

Discover the top 10 airlines that operate flights from Portsmouth to Pasadena. 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 27 June 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest£271Average£494FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Norse Atlantic UKCheapest£305Average£510FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
DeltaCheapest£320Average£521FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
KLMCheapest£339Average£499FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£346Average£448FlexibilityNo cancel feeOn-time77%
Search Air France flights
Brussels AirlinesCheapest£346Average£476FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Scandinavian AirlinesCheapest£347Average£490FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Austrian AirlinesCheapest£349Average£465FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
United AirlinesCheapest£350Average£544FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£351Average£466FlexibilityNo cancel feeOn-time76%
Search Finnair flights

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