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Cheap flights from Portsmouth to Pasadena from £461

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
9 Jun — 16 Jun1
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 May 2026.

Sat 6/620:05
SOU
-
LAX
1 stop29h 25m
Multiple Airlines
Fri 12/619:45
LAX
-
SOU
1 stop15h 45m
Multiple Airlines
Deal found 8/5£595
Tue 12/520:00
SOU
-
LAX
1 stop30h 25m
Aer Lingus
Tue 19/520:10
LAX
-
SOU
1 stop15h 20m
Aer Lingus
Deal found 7/5£684
Sun 4/1017:20
SOU
-
LAX
1 stop26h 30m
Delta
Thu 15/1009:59
LAX
-
SOU
2 stops22h 51m
Delta
Deal found 9/5£686
Sun 11/1017:20
SOU
-
LAX
1 stop26h 30m
KLM
Tue 20/1016:45
LAX
-
SOU
1 stop16h 05m
KLM
Deal found 7/5£698
Sun 11/1020:00
SOU
-
LAX
1 stop30h 25m
Multiple Airlines
Tue 20/1020:10
LAX
-
SOU
1 stop15h 20m
Multiple Airlines
Deal found 8/5£704
Thu 8/1009:05
SOU
-
LAX
1 stop13h 40m
Delta
Wed 14/1016:45
LAX
-
SOU
1 stop16h 05m
Delta
Deal found 9/5£716

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 May 2026.

Round-trip from

£595

One-way from

£461

Popular in

July

Cheapest in

January

Average price

£702
6/6-12/6
  • 6/6-12/6
  • 2 total stops
  • 45h 10m total
  • Portsmouth to Pasadena
Search Deals
British Airways
  • British Airways
  • 31/8
  • 1 total stop
  • 30h 25m total
  • Portsmouth to Pasadena
Search Deals
Highest demand for flights based on searches. 42% potential increase in price (£395 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease (£60 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 May 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

Sat 6/6

20:05-17:30

1 stop29h 25m

Los Angeles

Fri 12/6

19:45-19:30

1 stop15h 45m

£596
Fastest return journey

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 5/10

09:05-14:45

1 stop13h 40m

Los Angeles

Mon 12/10

16:45-16:50

1 stop16h 05m

£686

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Tue 6/10

09:05-14:45

1 stop13h 40m

Los Angeles

Tue 13/10

08:30-08:35

2 stops16h 05m

£686

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 11/10

20:00-18:25

1 stop30h 25m

Los Angeles

Tue 20/10

20:10-19:30

1 stop15h 20m

£706

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 11/10

09:15-11:50

1 stop34h 35m

Los Angeles

Tue 20/10

08:30-08:35

2 stops16h 05m

£716

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Thu 5/11

09:20-18:30

1 stop17h 10m

Los Angeles

Thu 26/11

20:15-19:30

1 stop15h 15m

£748

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Fri 6/11

20:00-18:30

1 stop30h 30m

Los Angeles

Fri 27/11

20:15-08:40

1 stop28h 25m

£792

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 4/10

20:00-18:25

1 stop30h 25m

Los Angeles

Fri 9/10

20:10-08:35

1 stop28h 25m

£799
Cheapest one-way

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Thu 24/9

20:00-18:25

1 stop30h 25m

£502

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 31/8

19:55-15:00

2 stops27h 05m

£523

Flights are sorted by cheapest return flights first.

Deals found on 9/5

Showing 1-10 of 18 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 May 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 May 2026.

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

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

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 can get you from Portsmouth to Pasadena in just under 13h 40m. 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 Malaysia Airlines (91%), Royal Jordanian (90%) 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 £2,149 for a flight from Portsmouth to Pasadena. The cheapest flight overall is £456 while the most popular route, (Southampton Eastleigh - Los Angeles) is currently priced at £595.

  • 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 May 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£235Average£497FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Norse Atlantic UKCheapest£256Average£482FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
SWISSCheapest£287Average£536FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Scandinavian AirlinesCheapest£316Average£415FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aer LingusCheapest£328Average£450FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Brussels AirlinesCheapest£329Average£438FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
DeltaCheapest£331Average£531FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Austrian AirlinesCheapest£345Average£470FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
TAP AIR PORTUGALCheapest£346Average£470FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£351Average£518FlexibilityNo 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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