How long is the flight from Portsmouth to Pasadena?

British Airways can get you from Portsmouth to Pasadena in just under 17h 10m. Your travel time can differ by up to . The distance from Portsmouth to Pasadena is about 5434 mi.

In terms of precipitation, rainfall in Pasadena ranges from 0.0 - 87.0 inches per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit Pasadena when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Pasadena, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

What are the cheapest flights from Portsmouth to Pasadena?

On average you can expect to pay £2,444 for a flight from Portsmouth to Pasadena. The cheapest flight overall is £332 while the most popular route, (Southampton Eastleigh - Los Angeles Los Angeles) is currently priced at £485.

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 (95%), Malaysia Airlines (89%) or Fiji Airways (86%) as they are the most reliable in getting you off to your destination on time.

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.

£437+ Cheap Flights from Portsmouth to Pasadena

Cheap flight deals from Portsmouth to Pasadena

Enter your travel dates to find the best prices.

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One-way

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 19 September 2026.

Thu 8/1009:20 -

1 stop17h 05m

Wed 9/1220:25 -

1 stop15h 05m

Deal found 18/9£485

Tue 13/1009:15 -

1 stop17h 10m

Mon 19/1020:10 -

1 stop15h 20m

Deal found 18/9£485

Wed 2/1209:20 -

1 stop17h 20m

Mon 7/1220:25 -

1 stop15h 05m

Deal found 16/9£487

Wed 14/1009:20 -

1 stop17h 05m

Wed 4/1120:25 -

1 stop15h 05m

Deal found 16/9£488

Wed 14/1009:20 -

1 stop17h 05m

Sun 6/1220:25 -

1 stop15h 05m

Deal found 17/9£488

Mon 16/1109:20 -

1 stop17h 20m

Sun 22/1120:25 -

1 stop28h 25m

Deal found 14/9£493

Sun 11/1020:00 -

1 stop30h 25m

Tue 20/1020:10 -

1 stop15h 20m

Deal found 18/9£495

Sun 11/1020:00 -

1 stop30h 25m

Thu 10/1220:25 -

1 stop15h 05m

Deal found 17/9£497

Wed 30/920:00 -

1 stop30h 25m

Mon 5/1020:10 -

1 stop27h 55m

Deal found 18/9£504

Find flight deals from Portsmouth to Pasadena

Round-trip from	£485
Popular in	December
Cheapest in	February
Average price	£467

British Airways
8/10-9/12
2 total stops
32h 10m total
Portsmouth to Pasadena

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (£6 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 September 2026

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Cheapflights Fare Finder

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

Thu 25/2

09:20-18:40

1 stop17h 20m

Los Angeles Los Angeles

Wed 31/12

00:00-09:00

Nonstop0h 00m

£446

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Tue 23/2

20:00-18:40

1 stop30h 40m

Los Angeles Los Angeles

Wed 31/12

00:00-09:00

Nonstop0h 00m

£454

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Wed 2/12

09:20-18:40

1 stop17h 20m

Los Angeles Los Angeles

Mon 7/12

20:25-19:30

1 stop15h 05m

£487

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Mon 12/10

20:00-18:25

1 stop30h 25m

Los Angeles Los Angeles

Mon 19/10

20:10-19:30

1 stop15h 20m

£495

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Wed 30/9

20:00-18:25

1 stop30h 25m

Los Angeles Los Angeles

Mon 5/10

20:10-08:05

1 stop27h 55m

£508

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Thu 29/10

12:25-19:40

1 stop14h 15m

Los Angeles Los Angeles

Wed 6/1

20:25-19:30

1 stop15h 05m

£516

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Thu 28/1

12:25-18:40

1 stop14h 15m

Los Angeles Los Angeles

Mon 1/2

20:25-11:50

1 stop31h 25m

£520

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Sun 11/10

20:00-18:25

1 stop30h 25m

Los Angeles Los Angeles

Sun 6/12

20:25-19:30

1 stop15h 05m

£529

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Mon 12/10

20:00-18:25

1 stop30h 25m

Los Angeles Los Angeles

Fri 11/12

20:25-08:45

1 stop28h 20m

£537

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Sun 15/11

09:20-18:40

1 stop17h 20m

Los Angeles Los Angeles

Mon 23/11

20:50-08:20

2 stops27h 30m

£543

Flights are sorted by cheapest return flights first.

Deals found on 18/9

Showing 1-10 of 17 resultsSorted by cheapest first

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.

SOU-LAX

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

P0R-P4S

SOU-LAX

What is the cheapest time of day to fly from P0R to P4S?

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

The most flights from P0R to P4S are scheduled on a Monday (56 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (48 on average).

Related info for your journey

How long is the flight from Portsmouth to Pasadena?
British Airways can get you from Portsmouth to Pasadena in just under 17h 10m. 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 SriLankan Airlines (95%), Malaysia Airlines (89%) or Fiji Airways (86%) 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 £2,444 for a flight from Portsmouth to Pasadena. The cheapest flight overall is £332 while the most popular route, (Southampton Eastleigh - Los Angeles Los Angeles) is currently priced at £485.
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.

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Top 10 airlines flying from Portsmouth to Pasadena

Airline	Cheapest	Average	Flexibility	On-time
Brussels Airlines	Cheapest£335	Average£499	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Delta	Cheapest£341	Average£596	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Virgin Atlantic	Cheapest£344	Average£473	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
TAP AIR PORTUGAL	Cheapest£345	Average£473	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
SWISS	Cheapest£348	Average£539	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Aer Lingus	Cheapest£351	Average£511	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Austrian Airlines	Cheapest£353	Average£492	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Air Canada	Cheapest£360	Average£498	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
British Airways	Cheapest£362	Average£501	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	Cheapest£364	Average£592	FlexibilityNo cancel fee	On-time75%	Search KLM flights

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Cheap flights from Portsmouth to Pasadena from £437

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portsmouth to Pasadena

Cheapest flights from Portsmouth to PasadenaExplore 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 19 September 2026.

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 19 September 2026.

Best flights from Portsmouth to PasadenaDiscover carefully curated flight deals from Portsmouth to Pasadena that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Discover carefully curated flight deals from Portsmouth to Pasadena that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Last-minute flights from Portsmouth to PasadenaDiscover last-minute flight deals from Portsmouth to Pasadena. Data last updated 19 September 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to Pasadena. Data last updated 19 September 2026 and is based on user searches.

One-way flights from Portsmouth to PasadenaSearch for one-way flight options from Portsmouth to Pasadena. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.

Search for one-way flight options from Portsmouth to Pasadena. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.

Find flight deals from Portsmouth to Pasadena

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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.

Cheapflights Insights

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 19 September 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

The most flights from P0R to P4S are scheduled on a Monday (56 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (48 on average).

Related info for your journey

How long is the flight from Portsmouth to Pasadena?

What are the most reliable airlines from Portsmouth to Pasadena?

What are the cheapest flights from Portsmouth to Pasadena?

Can I find deals for flights from Portsmouth to Pasadena that include hotel bookings?

How can I find direct flights from Portsmouth to Pasadena?

Can I find deals for business class flights from Portsmouth to Pasadena?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portsmouth to Pasadena

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Direct flights to California

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Portsmouth and Pasadena flights

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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 19 September 2026.

Best flights from Portsmouth to Pasadena
Discover carefully curated flight deals from Portsmouth to Pasadena that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Last-minute flights from Portsmouth to Pasadena
Discover last-minute flight deals from Portsmouth to Pasadena. Data last updated 19 September 2026 and is based on user searches.

One-way flights from Portsmouth to Pasadena
Search for one-way flight options from Portsmouth to Pasadena. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.