Cheap flights from Portsmouth to Pasadena from £403

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 28/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
12 Oct — 19 Oct1
1 adult
1 adult, Economy

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 12 September 2025.

Round-trip from

£616

One-way from

£403

Popular in

July

Cheapest in

February

Average price

£850
British Airways
  • British Airways
  • 26/9-8/10
  • 2 total stops
  • 32h 00m total
  • Portsmouth to Pasadena
Aer Lingus
  • Aer Lingus
  • 28/11
  • 1 total stop
  • 17h 00m total
  • Portsmouth to Pasadena
Highest demand for flights based on searches. 28% potential increase in price (£228 potential increase over avg. return price).
Cheapest flight prices on average. 9% potential price decrease (£51 potential savings vs. average return price).
Average for round-trip flights in September 2025

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 12 September 2025.

Fri 26/909:40SOU - LAX
1 stop16h 45mBritish Airways
Wed 8/1020:15LAX - SOU
1 stop15h 15mBritish Airways
Deal found 11/9£616
Sun 26/1018:05SOU - LAX
1 stop25h 40mVirgin Atlantic
Sun 2/1113:45LAX - SOU
1 stop34h 25mVirgin Atlantic
Deal found 11/9£628
Sun 26/1009:30SOU - LAX
1 stop17h 00mBritish Airways
Sun 2/1118:00LAX - SOU
2 stops18h 20mBritish Airways
Deal found 11/9£633
Sat 25/1016:25SOU - LAX
1 stop35h 05mMultiple Airlines
Sat 1/1112:20LAX - SOU
2 stops44h 15mMultiple Airlines
Deal found 10/9£657
Tue 7/1009:10SOU - LAX
1 stop17h 15mBritish Airways
Thu 16/1020:15LAX - SOU
1 stop15h 15mBritish Airways
Deal found 10/9£687
Wed 8/1009:10SOU - LAX
1 stop17h 15mBritish Airways
Wed 15/1017:05LAX - SOU
2 stops18h 20mBritish Airways
Deal found 10/9£694
Thu 18/909:40SOU - LAX
1 stop16h 45mBritish Airways
Thu 30/1016:30LAX - SOU
2 stops20h 00mBritish Airways
Deal found 10/9£807
Sun 26/1018:05SOU - LAX
3 stops31h 00mMultiple Airlines
Sun 2/1107:05LAX - SOU
3 stops24h 30mMultiple Airlines
Deal found 11/9£836

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 12 September 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

Fri 26/9

09:40-18:25

1 stop16h 45m

Los Angeles

Wed 8/10

20:15-19:30

1 stop15h 15m

£616

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 26/10

09:30-19:30

1 stop17h 00m

Los Angeles

Sun 2/11

18:00-20:20

2 stops18h 20m

£633

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sat 25/10

16:25-19:30

1 stop35h 05m

Los Angeles

Sat 1/11

12:20-15:35

2 stops44h 15m

£657

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Tue 7/10

09:10-18:25

1 stop17h 15m

Los Angeles

Thu 16/10

20:15-19:30

1 stop15h 15m

£687

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Wed 8/10

09:10-18:25

1 stop17h 15m

Los Angeles

Wed 15/10

17:05-19:25

2 stops18h 20m

£694

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 26/10

18:05-18:05

3 stops31h 00m

Los Angeles

Sun 2/11

07:05-15:35

3 stops24h 30m

£836

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Fri 28/11

09:30-18:30

1 stop17h 00m

£403

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 10/11

09:30-18:30

1 stop17h 00m

£442

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Wed 12/11

12:25-18:30

1 stop14h 05m

£442

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 3/11

09:30-18:30

1 stop17h 00m

£442

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 12 results
1
2

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 12 September 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 12 September 2025.

The most flights from P0R to P4S 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 (47 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 12 September 2025.
See what other customers who have flown with British Airways 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.

Boarding

6.9

Crew

7.6

Entertainment

6.4

Overall

6.7

Comfort

6.7

Food

6.3

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

Boarding

6.9

Crew

7.6

Entertainment

6.4

Overall

6.7

Comfort

6.7

Food

6.3

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

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.
  • How long is the flight from Portsmouth to Pasadena?

    British Airways can get you from Portsmouth to Pasadena in just under 16h 45m. Your travel time can differ by up to . The distance from Portsmouth to Pasadena is about 5434 mi.

  • 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 Aeromexico (84%), KLM (83%) or Air France (83%) 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 £2,637 for a flight from Portsmouth to Pasadena. The cheapest flight overall is £376 while the most popular route, (Southampton Eastleigh - Los Angeles) is currently priced at £472.

  • 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

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

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 12 September 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£277Average£466FlexibilityNo cancel feeOn-time76%
Search Finnair flights
SWISSCheapest£289Average£492FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Norse Atlantic UKCheapest£292Average£522FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Aer LingusCheapest£331Average£564FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapest£333Average£533FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
KLMCheapest£343Average£545FlexibilityNo cancel feeOn-time75%
Search KLM flights
Scandinavian AirlinesCheapest£344Average£481FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Air FranceCheapest£352Average£457FlexibilityNo cancel feeOn-time77%
Search Air France flights
Austrian AirlinesCheapest£354Average£468FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
United AirlinesCheapest£357Average£548FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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