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Portsmouth

$401+ Cheap flights from Pasadena, CA to Portsmouth, England

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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheap flight deals from Pasadena to Portsmouth

Keep the following information in mind while searching for Pasadena to Portsmouth flight deals. Data was last updated septiembre 16, 2025.

Round-trip from

$736
(Delta)

One-way from

$401
(Kiwi.com)

Popular in

January

Cheapest in

April

Average price

$955
From Pasadena to Portsmouth
Search Deals
One-way flight from Pasadena to Portsmouth
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Highest demand for flights based on searches. 21% potential increase in price ($318 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($104 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Pasadena to Portsmouth

Cheapest flights from Pasadena to Portsmouth
Explore the most affordable flight options available from Pasadena to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 16, 2025.

This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/51:45 pmLAX - SOU
1 stop19h 40mDelta
mar. 11/115:30 pmSOU - LAX
1 stop26h 15mDelta
Deal found 9/14$736
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/59:59 amLAX - SOU
2 stops23h 26mDelta
jue. 11/136:05 pmSOU - LAX
1 stop25h 40mDelta
Deal found 9/14$740
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/111:45 pmLAX - SOU
1 stop19h 15mDelta
jue. 11/206:05 pmSOU - LAX
2 stops30h 49mDelta
Deal found 9/14$746
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/29:00 amLAX - SOU
2 stops24h 25mDelta
jue. 11/136:05 pmSOU - LAX
2 stops29h 04mDelta
Deal found 9/14$750
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/266:00 amLAX - SOU
2 stops18h 45mDelta
mié. 10/159:20 amSOU - LAX
2 stops19h 16mDelta
Deal found 9/15$800
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/41:45 pmLAX - SOU
1 stop19h 15mDelta
jue. 11/136:05 pmSOU - LAX
1 stop25h 40mDelta
Deal found 9/14$824
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/61:45 pmLAX - SOU
1 stop19h 15mDelta
jue. 11/136:05 pmSOU - LAX
1 stop25h 40mDelta
Deal found 9/14$826
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/138:30 amLAX - SOU
2 stops15h 35mDelta
mar. 11/185:30 pmSOU - LAX
1 stop26h 15mDelta
Deal found 9/14$830
This Expedia deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/158:15 pmLAX - SOU
1 stop15h 15mAer Lingus
vie. 10/319:30 amSOU - LAX
1 stop17h 00mAer Lingus
Deal found 9/13$831
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/144:50 pmLAX - SOU
1 stop16h 10mDelta
vie. 10/318:40 amSOU - LAX
2 stops20h 09mDelta
Deal found 9/13$834
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/2611:43 amLAX - SOU
2 stops22h 42mDelta
vie. 11/78:40 amSOU - LAX
2 stops20h 10mDelta
Deal found 9/15$838
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/276:15 amLAX - SOU
2 stops18h 55mDelta
vie. 11/78:40 amSOU - LAX
2 stops21h 09mDelta
Deal found 9/16$839

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pasadena to Portsmouth 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 2,558,603 searches. Data last updated septiembre 16, 2025.
Use the filters below to find and compare flights from Pasadena to Portsmouth that are best for you.

Fly from

Pasadena

Fly to

Portsmouth

Route

Depart

Return

Price

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

dom. 11/16

1:45 pm-8:10 am

1 stop34h 25m

Southampton Eastleigh

lun. 11/24

6:05 pm-11:45 am

1 stop25h 40m

$736

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

mié. 11/5

1:45 pm-5:25 pm

1 stop19h 40m

Southampton Eastleigh

mar. 11/11

5:30 pm-11:45 am

1 stop26h 15m

$736

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

dom. 11/2

7:00 am-5:25 pm

2 stops26h 25m

Southampton Eastleigh

mar. 11/11

8:40 am-11:45 am

1 stop35h 05m

$740

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

dom. 11/16

11:55 pm-8:10 am

2 stops24h 15m

Southampton Eastleigh

mar. 11/25

8:40 am-11:45 am

1 stop35h 05m

$740

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

lun. 11/3

7:00 am-5:00 pm

2 stops26h 00m

Southampton Eastleigh

lun. 11/10

8:40 am-11:45 am

1 stop35h 05m

$740

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

dom. 11/9

9:45 pm-8:10 am

2 stops26h 25m

Southampton Eastleigh

mié. 11/19

5:30 pm-11:45 am

1 stop26h 15m

$740

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

mié. 11/12

2:17 pm-8:05 am

2 stops33h 48m

Southampton Eastleigh

mar. 11/25

5:30 pm-11:45 am

1 stop26h 15m

$740

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

dom. 11/9

9:45 pm-8:10 am

2 stops26h 25m

Southampton Eastleigh

mar. 11/18

5:30 pm-11:45 am

1 stop26h 15m

$740

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

lun. 11/17

9:55 pm-8:10 am

2 stops26h 15m

Southampton Eastleigh

lun. 11/24

8:40 am-11:45 am

1 stop35h 05m

$740

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

mié. 11/5

11:19 am-5:25 pm

2 stops22h 06m

Southampton Eastleigh

lun. 11/17

6:05 pm-11:45 am

1 stop25h 40m

$740

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 18 results
1
2

Best time to book a flight from Pasadena to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Pasadena with our price prediction graph.
Estimated round-trip 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 Pasadena to Portsmouth

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

Currently, November is the cheapest month in which you can book a flight from Pasadena to Portsmouth (average of $661). Flying from Pasadena to Portsmouth in June is currently the most expensive (average of $1,097). 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 P4S to P0R?

Find hourly flight availability from Pasadena to Portsmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pasadena to Portsmouth as you normally would.

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

Use this chart to determine the cheapest time to fly round-trip from Pasadena to Portsmouth. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Pasadena to Portsmouth

Explore weekly flight availability from Pasadena to Portsmouth. 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 septiembre 16, 2025.

The most flights from P4S to P0R are scheduled on a Monday (56 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (41 on average).

Reviews of airlines servicing Portsmouth

Get insights into the airlines that provide service to Portsmouth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portsmouth. Reviews last updated septiembre 16, 2025.
See what other customers who have flown with Delta, KLM, and Virgin Atlantic from Pasadena to Portsmouth have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,386 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
664 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aer Lingus
7.2
Good
1,274 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Pasadena to Portsmouth. 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 Pasadena to Portsmouth?

    Delta can get you from Pasadena to Portsmouth in just under 34h 25m. Your travel time can differ by up to . There are 5434 mi between Pasadena and Portsmouth.

  • What are the most reliable airlines from Pasadena to Portsmouth?

    Consider KLM (94%), Air France (94%) or Delta (94%) when booking your flight. These represent the most reliable airlines when flying from Pasadena to Portsmouth.

  • What are the cheapest flights from Pasadena to Portsmouth?

    Looking at all options, your cheapest flight can be booked for $347. While the most popular route (Los Angeles - Southampton Eastleigh) can be booked for $736 on average, our data indicates $3,098 when flying from Pasadena to Portsmouth.

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

    Yes. In addition to deals on Pasadena to Portsmouth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pasadena to Portsmouth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pasadena to Portsmouth.

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

    Yes. Cheapflights offers flight deals from Pasadena to Portsmouth 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 Pasadena to Portsmouth?

    Currently, November is the cheapest month in which you can book a flight from Pasadena to Portsmouth (average of $661). Flying from Pasadena to Portsmouth in June is currently the most expensive (average of $1,097). 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.

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Alternative routes for Pasadena to Portsmouth

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Top 10 airlines flying from Pasadena to Portsmouth

Discover the top 10 airlines that operate flights from Pasadena to Portsmouth. 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 2,558,603 searches. Data last updated septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$272Average$1,046FlexibilityNo cancel feeOn-time60%
JetBlueCheapest$273Average$794FlexibilityNo cancel feeOn-time62%
SWISSCheapest$336Average$912FlexibilityNo cancel feeOn-time79%
Norse Atlantic UKCheapest$360Average$681FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$363Average$782FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$375Average$651FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$419Average$593FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$469Average$966FlexibilityNo cancel feeOn-time72%
Aer LingusCheapest$475Average$898FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$490Average$704FlexibilityNo cancel feeOn-time76%

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