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Cheap flights from Portsmouth to Pasadena from £410

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
9 Aug — 16 Aug1
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 10 July 2026.

Thu 3/909:05
SOU
-
LAX
1 stop13h 40m
KLM
Sat 3/1013:50
LAX
-
SOU
1 stop19h 00m
KLM
Deal found 10/7£587
Thu 3/909:05
SOU
-
LAX
1 stop13h 40m
Delta
Sat 3/1006:00
LAX
-
SOU
2 stops18h 45m
Delta
Deal found 10/7£602
Tue 18/809:15
SOU
-
LAX
1 stop17h 10m
Aer Lingus
Tue 25/820:10
LAX
-
SOU
1 stop15h 20m
Aer Lingus
Deal found 7/7£663
Thu 8/1009:20
SOU
-
LAX
1 stop17h 05m
British Airways
Thu 29/1021:15
LAX
-
SOU
1 stop15h 15m
British Airways
Deal found 9/7£696
Mon 5/1009:20
SOU
-
LAX
1 stop17h 05m
British Airways
Tue 20/1020:10
LAX
-
SOU
1 stop15h 20m
British Airways
Deal found 6/7£697
Sun 23/809:15
SOU
-
LAX
1 stop13h 30m
Delta
Sun 30/812:07
LAX
-
SOU
2 stops20h 43m
Delta
Deal found 9/7£698
Mon 24/818:05
SOU
-
LAX
1 stop28h 40m
KLM
Mon 31/806:00
LAX
-
SOU
2 stops18h 35m
KLM
Deal found 10/7£700
Mon 5/1009:20
SOU
-
LAX
1 stop17h 05m
British Airways
Mon 26/1021:15
LAX
-
SOU
1 stop28h 25m
British Airways
Deal found 6/7£703
Mon 24/809:15
SOU
-
LAX
2 stops19h 16m
Delta
Mon 31/806:00
LAX
-
SOU
2 stops18h 35m
Delta
Deal found 10/7£704
Fri 9/1009:20
SOU
-
LAX
1 stop17h 05m
British Airways
Fri 30/1021:15
LAX
-
SOU
1 stop28h 25m
British Airways
Deal found 10/7£705

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 10 July 2026.

Round-trip from

£587

One-way from

£410

Popular in

June

Cheapest in

February

Average price

£1,190
KLM
  • KLM
  • 3/9-3/10
  • 2 total stops
  • 32h 40m total
  • Portsmouth to Pasadena
Search Deals
British Airways
  • British Airways
  • 10/9
  • 1 total stop
  • 17h 05m total
  • Portsmouth to Pasadena
Search Deals
Highest demand for flights based on searches. 42% potential increase in price (£414 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease (£57 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 10 July 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

Thu 3/9

09:05-21:03

2 stops19h 58m

Los Angeles

Sat 3/10

10:30-16:50

2 stops22h 20m

£606

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Wed 6/1

09:20-18:30

1 stop17h 10m

Los Angeles

Wed 27/1

20:15-19:30

1 stop15h 15m

£696
Fastest return journey

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Thu 8/10

09:20-18:25

1 stop17h 05m

Los Angeles

Thu 29/10

21:15-19:30

1 stop15h 15m

£696

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 5/10

09:20-18:25

1 stop17h 05m

Los Angeles

Tue 20/10

20:10-19:30

1 stop15h 20m

£697

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Fri 9/10

09:20-18:25

1 stop17h 05m

Los Angeles

Fri 30/10

21:15-08:40

1 stop28h 25m

£705

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sat 31/10

09:20-19:30

1 stop17h 10m

Los Angeles

Wed 4/11

20:15-19:30

1 stop15h 15m

£726

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Tue 5/1

19:55-13:30

2 stops25h 35m

Los Angeles

Tue 26/1

18:00-20:45

2 stops18h 45m

£764

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Tue 18/8

09:15-21:03

2 stops19h 48m

Los Angeles

Tue 25/8

11:35-17:35

2 stops22h 00m

£766

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Thu 3/12

06:50-18:30

2 stops19h 40m

Los Angeles

Mon 7/12

15:30-19:25

2 stops19h 55m

£766
Cheapest one-way
Fastest single journey

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Thu 10/9

09:20-18:25

1 stop17h 05m

£410

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 17 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 10 July 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 10 July 2026.

The most flights from P0R to P4S are scheduled on a Wednesday (54 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (51 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 2h 48m. 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 Air Canada (89%), Austrian Airlines (89%) or United Airlines (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 £3,007 for a flight from Portsmouth to Pasadena. The cheapest flight overall is £312 while the most popular route, (Southampton Eastleigh - Los Angeles) is currently priced at £695.

  • 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 10 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£255Average£507FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
SWISSCheapest£297Average£446FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Scandinavian AirlinesCheapest£321Average£440FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aer LingusCheapest£333Average£447FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapest£336Average£551FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Virgin AtlanticCheapest£343Average£476FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Brussels AirlinesCheapest£346Average£477FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
TAP AIR PORTUGALCheapest£352Average£481FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Austrian AirlinesCheapest£358Average£493FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
British AirwaysCheapest£363Average£495FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

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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.

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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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