Find flights
When to book
FAQs

Cheap flights from Portsmouth to Pasadena from £480

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
18 May — 25 May1
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 18 April 2026.

Tue 2/609:20
SOU
-
LAX
1 stop17h 05m
Aer Lingus
Tue 9/620:10
LAX
-
SOU
1 stop15h 20m
Aer Lingus
Deal found 17/4£594
Sun 31/509:20
SOU
-
LAX
1 stop17h 05m
Aer Lingus
Sun 7/620:10
LAX
-
SOU
1 stop15h 20m
Aer Lingus
Deal found 16/4£658
Fri 29/509:20
SOU
-
LAX
1 stop17h 05m
Aer Lingus
Fri 5/620:10
LAX
-
SOU
1 stop15h 20m
Aer Lingus
Deal found 14/4£689
Thu 30/409:05
SOU
-
LAX
1 stop13h 40m
KLM
Wed 6/513:50
LAX
-
SOU
1 stop34h 45m
KLM
Deal found 16/4£706
Sun 11/1009:15
SOU
-
LAX
1 stop34h 35m
KLM
Tue 20/1007:00
LAX
-
SOU
2 stops17h 35m
KLM
Deal found 14/4£714
Mon 11/509:05
SOU
-
LAX
1 stop13h 40m
Delta
Sun 17/509:25
LAX
-
SOU
2 stops23h 25m
Delta
Deal found 15/4£730
Fri 29/506:45
SOU
-
LAX
2 stops19h 40m
Multiple Airlines
Fri 5/620:10
LAX
-
SOU
1 stop15h 20m
Multiple Airlines
Deal found 14/4£731
Thu 30/409:05
SOU
-
LAX
2 stops21h 25m
Delta
Wed 6/507:00
LAX
-
SOU
2 stops17h 35m
Delta
Deal found 16/4£734

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 18 April 2026.

Round-trip from

£594

One-way from

£480

Popular in

July

Cheapest in

January

Average price

£743
Aer Lingus
  • Aer Lingus
  • 2/6-9/6
  • 2 total stops
  • 32h 25m total
  • Portsmouth to Pasadena
Search Deals
British Airways
  • British Airways
  • 30/9
  • 1 total stop
  • 17h 05m total
  • Portsmouth to Pasadena
Search Deals
Highest demand for flights based on searches. 36% potential increase in price (£285 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease (£58 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 18 April 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 - LAX

SOULAX

Southampton Eastleigh

Sun 11/10

09:15-11:50

1 stop34h 35m

Los Angeles

Tue 20/10

07:00-08:35

2 stops17h 35m

£714

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Thu 30/4

09:05-22:30

2 stops21h 25m

Los Angeles

Wed 6/5

07:00-08:35

2 stops17h 35m

£734
Fastest return journey

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Fri 4/9

09:20-18:25

1 stop17h 05m

Los Angeles

Tue 8/9

20:10-19:30

1 stop15h 20m

£782
Cheapest one-way
Fastest single journey

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Tue 16/6

09:20-18:25

1 stop17h 05m

£563

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 8/6

09:20-18:25

1 stop17h 05m

£567

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Tue 23/6

12:35-11:30

2 stops30h 55m

£572

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 14/6

17:20-18:25

1 stop33h 05m

£573

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 22/6

06:50-18:20

2 stops19h 30m

£591

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 15/6

12:35-18:25

2 stops37h 50m

£599

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Wed 8/7

06:45-18:25

2 stops19h 40m

£616

Flights are sorted by cheapest return flights first.

Deals found on 13/4

Showing 1-10 of 14 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 18 April 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 18 April 2026.

The most flights from P0R to P4S are scheduled on a Monday (50 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (49 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?

    KLM and Delta can get you from Portsmouth to Pasadena in just under 21h 25m. Your travel time can differ by up to 13h 10m. 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 Malaysia Airlines (87%), SriLankan Airlines (86%) or Fiji Airways (85%) 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 £2,526 for a flight from Portsmouth to Pasadena. The cheapest flight overall is £390 while the most popular route, (Southampton Eastleigh - Los Angeles) is currently priced at £594.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portsmouth to Pasadena

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Los Angeles flights
Heathrow to San Francisco flights
Heathrow to Las Vegas flights
Stansted to Los Angeles flights
Gatwick to Los Angeles flights
London City to Los Angeles flights
Gatwick to San Francisco flights
Stansted to San Francisco flights
Heathrow to Ontario flights
London City to San Francisco flights
Gatwick to Las Vegas flights
Luton to Los Angeles flights
Heathrow to Santa Ana flights
Stansted to Las Vegas flights
London City to Las Vegas flights
Heathrow to San Jose flights
Luton to San Francisco flights
Heathrow to San Diego flights
Manchester to Las Vegas flights
Luton to Las Vegas flights
Manchester to Los Angeles flights
Heathrow to Oakland flights
Gatwick to San Diego flights
Heathrow to Burbank flights
Stansted to San Diego flights
London City to San Diego flights
Birmingham to Los Angeles flights
Gatwick to Ontario flights
Heathrow to Long Beach flights
Gatwick to San Jose flights
Southend to Los Angeles flights
Edinburgh to Los Angeles flights
Edinburgh to San Francisco flights
Manchester to Ontario flights
London City to San Jose flights
Manchester to San Francisco flights
Edinburgh to Las Vegas flights
Birmingham to Las Vegas flights
Gatwick to Oakland flights
Gatwick to Santa Ana flights
Southampton to Los Angeles flights
Leeds to Los Angeles flights
Newcastle upon Tyne to Las Vegas flights
London City to Santa Ana flights
Newcastle upon Tyne to Los Angeles flights
Southampton to San Francisco flights
Stansted to San Jose flights
Edinburgh to Ontario flights
Heathrow to Palm Springs flights
Birmingham to San Francisco flights

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 18 April 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£236Average£499FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Norse Atlantic UKCheapest£268Average£483FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
SWISSCheapest£275Average£545FlexibilityNo cancel feeOn-time79%
Search SWISS flights
DeltaCheapest£285Average£519FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Scandinavian AirlinesCheapest£329Average£444FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aer LingusCheapest£331Average£458FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Brussels AirlinesCheapest£331Average£450FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
British AirwaysCheapest£342Average£480FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TAP AIR PORTUGALCheapest£343Average£473FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Austrian AirlinesCheapest£348Average£475FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.