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Cheap flights from Portsmouth to Pasadena from £433

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
7 Sep — 14 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Pasadena

Enter your travel dates to find the best prices.

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 8 August 2026.

Sun 20/917:20 -
2 stops30h 45m
Sun 27/917:50 -
2 stops30h 50m
Deal found 6/8£494
Tue 15/909:15 -
1 stop17h 10m
Tue 22/920:10 -
1 stop15h 20m
Deal found 3/8£545
Fri 18/917:20 -
2 stops30h 45m
Fri 25/920:10 -
1 stop15h 20m
Deal found 4/8£589
Tue 15/909:05 -
2 stops19h 45m
Tue 22/907:10 -
2 stops17h 35m
Deal found 3/8£606
Sun 6/909:15 -
1 stop13h 30m
Sat 12/906:40 -
2 stops18h 05m
Deal found 6/8£612
Fri 18/909:05 -
2 stops22h 47m
Fri 25/915:15 -
2 stops33h 30m
Deal found 4/8£652

Find flight deals from Portsmouth to Pasadena

Keep the following information in mind while searching for Portsmouth to Pasadena flight deals. Data was last updated 8 August 2026.

Round-trip from

£494

One-way from

£433

Popular in

December

Cheapest in

February

Average price

£528
Aer Lingus
  • Aer Lingus
  • 20/9-27/9
  • 4 total stops
  • 61h 35m total
  • Portsmouth to Pasadena
Search Deals
British Airways
  • British Airways
  • 28/11
  • 1 total stop
  • 17h 10m total
  • Portsmouth to Pasadena
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 8 August 2026.
Use the filters below to find and compare flights from Portsmouth to Pasadena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Sun 6/9

09:15-22:21

2 stops21h 06m

Los Angeles Los Angeles

Sat 12/9

10:30-16:50

2 stops22h 20m

£622
Fastest return journey

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Mon 1/2

09:20-18:30

1 stop17h 10m

Los Angeles Los Angeles

Mon 22/2

20:15-19:30

1 stop15h 15m

£707

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Mon 31/8

09:20-18:25

1 stop17h 05m

Los Angeles Los Angeles

Mon 21/9

20:10-19:30

1 stop15h 20m

£707

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Wed 4/11

19:55-13:25

2 stops25h 30m

Los Angeles Los Angeles

Wed 25/11

20:15-19:30

1 stop15h 15m

£735

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Wed 7/10

09:20-18:25

1 stop17h 05m

Los Angeles Los Angeles

Sun 11/10

20:10-19:30

1 stop15h 20m

£736
Cheapest one-way

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Sat 28/11

09:20-18:30

1 stop17h 10m

£433
Fastest single journey

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Thu 8/10

09:20-18:25

1 stop17h 05m

£435

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Sat 24/10

17:20-19:30

1 stop34h 10m

£440

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Thu 22/10

09:20-18:25

1 stop17h 05m

£448

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Fri 23/10

09:20-18:25

1 stop17h 05m

£497

Flights are sorted by cheapest return flights first.

Deals found on 6/8

Showing 1-10 of 13 resultsSorted by cheapest first
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 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 8 August 2026.

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.

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 8 August 2026.

The most flights from P0R to P4S are scheduled on a Monday (57 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (52 on average).

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?

    Delta and British Airways can get you from Portsmouth to Pasadena in just under 17h 10m. Your travel time can differ by up to 3h 56m. The distance from Portsmouth to Pasadena is about 5434 mi. This flight may include one or multiple stops.

  • 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 (100%), Malaysia Airlines (92%) or Fiji Airways (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 £2,207 for a flight from Portsmouth to Pasadena. The cheapest flight overall is £309 while the most popular route, (Southampton Eastleigh - Los Angeles Los Angeles) is currently priced at £713.

  • 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.

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.
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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 8 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£293Average£541FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Aer LingusCheapest£331Average£453FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Scandinavian AirlinesCheapest£339Average£462FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
DeltaCheapest£339Average£583FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Virgin AtlanticCheapest£342Average£459FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Brussels AirlinesCheapest£345Average£469FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
SWISSCheapest£345Average£499FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Austrian AirlinesCheapest£351Average£485FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
TAP AIR PORTUGALCheapest£352Average£480FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£362Average£587FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portsmouth to Pasadena?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Pasadena from Portsmouth today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Pasadena?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Portsmouth to Pasadena for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Portsmouth to Pasadena with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Portsmouth to Pasadena flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Portsmouth to Pasadena become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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