How long is the flight from Portsmouth to Pasadena?

British Airways can get you from Portsmouth to Pasadena in just under 16h 45m. 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 £2,637 for a flight from Portsmouth to Pasadena. The cheapest flight overall is £376 while the most popular route, (Southampton Eastleigh - Los Angeles) is currently priced at £472.

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 Aeromexico (84%), KLM (83%) or Air France (83%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Portsmouth to Pasadena?

When booking a flight from Portsmouth to Pasadena, you may want to consider flying on American Airlines, Air Canada or Air France as they are the most popular for this route.

How far in advance should I book a flight from Portsmouth to Pasadena?

Travelers have found it’s best to book a flight 56 days in advance to save up to 38% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 56 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Portsmouth to Pasadena 1-2 weeks in advance for as low as £425, or £667 for flights within the next 24 hours.

What is the cheapest month to fly from Portsmouth to Pasadena?

September can be a great time to fly to Pasadena from Portsmouth with a flight ticket averaging about £481. Cheapflights users have found deals in the month of September for as cheap as £306. The most expensive prices can be found in the month of December.

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.

£403+ Flights from Portsmouth to Pasadena

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

Airfare is below average for this route at the moment. Portsmouth to Pasadena flights typically cost between £628 and £873 in September. The cheapest return flight price found within the last 3 days was £616 on British Airways (26 Sept-8 Oct).

Cheap flight deals from Portsmouth to Pasadena

Round-trip from	£616
One-way from	£403
Popular in	July
Cheapest in	February
Average price	£850

British Airways
26/9-8/10
2 total stops
32h 00m total
Portsmouth to Pasadena

Search Deals

Aer Lingus
28/11
1 total stop
17h 00m total
Portsmouth to Pasadena

Search Deals

Highest demand for flights based on searches. 28% potential increase in price (£228 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 9% potential price decrease (£51 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Portsmouth to Pasadena

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 12 September 2025.

Fri 26/909:40SOU - LAX

1 stop16h 45mBritish Airways

Wed 8/1020:15LAX - SOU

1 stop15h 15mBritish Airways

Deal found 11/9£616

Sun 26/1018:05SOU - LAX

1 stop25h 40mVirgin Atlantic

Sun 2/1113:45LAX - SOU

1 stop34h 25mVirgin Atlantic

Deal found 11/9£628

Sun 26/1009:30SOU - LAX

1 stop17h 00mBritish Airways

Sun 2/1118:00LAX - SOU

2 stops18h 20mBritish Airways

Deal found 11/9£633

Sat 25/1016:25SOU - LAX

1 stop35h 05mMultiple Airlines

Sat 1/1112:20LAX - SOU

2 stops44h 15mMultiple Airlines

Deal found 10/9£657

Tue 7/1009:10SOU - LAX

1 stop17h 15mBritish Airways

Thu 16/1020:15LAX - SOU

1 stop15h 15mBritish Airways

Deal found 10/9£687

Wed 8/1009:10SOU - LAX

1 stop17h 15mBritish Airways

Wed 15/1017:05LAX - SOU

2 stops18h 20mBritish Airways

Deal found 10/9£694

Thu 18/909:40SOU - LAX

1 stop16h 45mBritish Airways

Thu 30/1016:30LAX - SOU

2 stops20h 00mBritish Airways

Deal found 10/9£807

Sun 26/1018:05SOU - LAX

3 stops31h 00mMultiple Airlines

Sun 2/1107:05LAX - SOU

3 stops24h 30mMultiple Airlines

Deal found 11/9£836

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 12 September 2025.

Fri 26/909:40SOU - LAX

1 stop16h 45mBritish Airways

Wed 8/1020:15LAX - SOU

1 stop15h 15mBritish Airways

Deal found 11/9£616

Sat 25/1016:25SOU - LAX

1 stop35h 05mMultiple Airlines

Sat 1/1112:20LAX - SOU

2 stops44h 15mMultiple Airlines

Deal found 10/9£657

Sun 26/1009:30SOU - LAX

1 stop17h 00mBritish Airways

Sun 2/1118:00LAX - SOU

2 stops18h 20mBritish Airways

Deal found 11/9£633

Tue 7/1009:10SOU - LAX

1 stop17h 15mBritish Airways

Thu 16/1020:15LAX - SOU

1 stop15h 15mBritish Airways

Deal found 10/9£687

Sun 26/1018:05SOU - LAX

3 stops31h 00mMultiple Airlines

Sun 2/1107:05LAX - SOU

3 stops24h 30mMultiple Airlines

Deal found 11/9£836

Wed 8/1009:10SOU - LAX

1 stop17h 15mBritish Airways

Wed 15/1017:05LAX - SOU

2 stops18h 20mBritish Airways

Deal found 10/9£694

Last-minute flights from Portsmouth to Pasadena
Discover last-minute flight deals from Portsmouth to Pasadena. Data last updated 12 September 2025 and is based on user searches.

Thu 18/909:40SOU - LAX

1 stop16h 45mBritish Airways

Thu 30/1016:30LAX - SOU

2 stops20h 00mBritish Airways

Deal found 10/9£807

Fri 26/909:40SOU - LAX

1 stop16h 45mBritish Airways

Wed 8/1020:15LAX - SOU

1 stop15h 15mBritish Airways

Deal found 11/9£616

Tue 7/1009:10SOU - LAX

1 stop17h 15mBritish Airways

Thu 16/1020:15LAX - SOU

1 stop15h 15mBritish Airways

Deal found 10/9£687

Wed 8/1009:10SOU - LAX

1 stop17h 15mBritish Airways

Wed 15/1017:05LAX - SOU

2 stops18h 20mBritish Airways

Deal found 10/9£694

Sat 25/1016:25SOU - LAX

1 stop35h 05mMultiple Airlines

Sat 1/1112:20LAX - SOU

2 stops44h 15mMultiple Airlines

Deal found 10/9£657

Sun 26/1018:05SOU - LAX

1 stop25h 40mVirgin Atlantic

Sun 2/1113:45LAX - SOU

1 stop34h 25mVirgin Atlantic

Deal found 11/9£628

Sun 26/1009:30SOU - LAX

1 stop17h 00mBritish Airways

Sun 2/1118:00LAX - SOU

2 stops18h 20mBritish Airways

Deal found 11/9£633

Sun 26/1018:05SOU - LAX

3 stops31h 00mMultiple Airlines

Sun 2/1107:05LAX - SOU

3 stops24h 30mMultiple Airlines

Deal found 11/9£836

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 12 September 2025.

Fri 28/1109:30SOU - LAX

1 stop17h 00mAer Lingus

Deal found 10/9£403

Mon 3/1109:30SOU - LAX

1 stop17h 00mBritish Airways

Deal found 10/9£442

Sun 9/1116:05SOU - LAX

1 stop34h 25mBritish Airways

Deal found 10/9£447

Tue 11/1119:40SOU - LAX

2 stops30h 50mBritish Airways

Deal found 10/9£463

Mon 10/1112:40SOU - LAX

2 stops32h 50mBritish Airways

Deal found 10/9£464

Sat 8/1109:30SOU - LAX

1 stop17h 00mBritish Airways

Deal found 10/9£484

Fri 14/1120:10SOU - LAX

1 stop30h 20mBritish Airways

Deal found 10/9£489

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

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Fri 26/9

09:40-18:25

1 stop16h 45m

Los Angeles

Wed 8/10

20:15-19:30

1 stop15h 15m

£616

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 26/10

09:30-19:30

1 stop17h 00m

Los Angeles

Sun 2/11

18:00-20:20

2 stops18h 20m

£633

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sat 25/10

16:25-19:30

1 stop35h 05m

Los Angeles

Sat 1/11

12:20-15:35

2 stops44h 15m

£657

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Tue 7/10

09:10-18:25

1 stop17h 15m

Los Angeles

Thu 16/10

20:15-19:30

1 stop15h 15m

£687

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Wed 8/10

09:10-18:25

1 stop17h 15m

Los Angeles

Wed 15/10

17:05-19:25

2 stops18h 20m

£694

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 26/10

18:05-18:05

3 stops31h 00m

Los Angeles

Sun 2/11

07:05-15:35

3 stops24h 30m

£836

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Fri 28/11

09:30-18:30

1 stop17h 00m

£403

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 10/11

09:30-18:30

1 stop17h 00m

£442

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Wed 12/11

12:25-18:30

1 stop14h 05m

£442

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 3/11

09:30-18:30

1 stop17h 00m

£442

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 12 results

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 month to book a flight from Portsmouth to Pasadena?

Currently, January is the cheapest month in which you can book a flight from Portsmouth to Pasadena (average of £575). Flying from Portsmouth to Pasadena in July is currently the most expensive (average of £811). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.

What is the cheapest day to fly from Portsmouth to Pasadena?

Travellers seeking maximum savings on their Portsmouth to Pasadena flight should consider departing on Tuesday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portsmouth to Pasadena

The most flights from P0R to P4S are scheduled on a Monday (53 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (47 on average).

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

Reviews of airlines servicing Pasadena

See what other customers who have flown with British Airways from Portsmouth to Pasadena have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

British Airways

6.7

Okay

7,361 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

British Airways

6.7

Okay

7,361 reviews

British Airways

6.7

Okay

7,361 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

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 16h 45m. 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 Aeromexico (84%), KLM (83%) or Air France (83%) 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 £2,637 for a flight from Portsmouth to Pasadena. The cheapest flight overall is £376 while the most popular route, (Southampton Eastleigh - Los Angeles) is currently priced at £472.
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.
What is the cheapest month to book a flight from Portsmouth to Pasadena?
Currently, January is the cheapest month in which you can book a flight from Portsmouth to Pasadena (average of £575). Flying from Portsmouth to Pasadena in July is currently the most expensive (average of £811). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Portsmouth to Pasadena

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest£277	Average£466	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
SWISS	Cheapest£289	Average£492	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Norse Atlantic UK	Cheapest£292	Average£522	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Aer Lingus	Cheapest£331	Average£564	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Delta	Cheapest£333	Average£533	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
KLM	Cheapest£343	Average£545	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Scandinavian Airlines	Cheapest£344	Average£481	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Air France	Cheapest£352	Average£457	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Austrian Airlines	Cheapest£354	Average£468	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
United Airlines	Cheapest£357	Average£548	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

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.

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Cheap flights from Portsmouth to Pasadena from £403

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.

Cheap flight deals from Portsmouth to Pasadena

Keep the following information in mind while searching for Portsmouth to Pasadena flight deals. Data was last updated 12 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 12 September 2025.

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 12 September 2025.

Cheapflights Fare Finder

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

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

Everything you need to know about your flight from Portsmouth to Pasadena

What is the cheapest month to book a 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 12 September 2025.

What is the cheapest day to fly from Portsmouth to Pasadena?

Use this chart to determine the cheapest time to fly return from Portsmouth to Pasadena. Price data was last updated on 29 September 2024.

Weekly flight availability from Portsmouth to Pasadena

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

Reviews of airlines servicing Pasadena

See what other customers who have flown with British Airways from Portsmouth to Pasadena have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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?

What is the cheapest month to book a flight from Portsmouth to Pasadena?

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.

Top 10 airlines flying from Portsmouth to Pasadena

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?

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

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

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

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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 12 September 2025.