HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portsmouth

$502+ Cheap flights from Los Angeles (LAX) 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Los Angeles to Portsmouth with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Los Angeles to Portsmouth

Discover tips and strategies to find the most affordable flight options for your journey from Los Angeles (LAX) to Portsmouth (P0R). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$779
(KLM)

One-way from

$502
(Delta)

Popular in

June

Cheapest in

February

Average price

$1,094
From Los Angeles to Portsmouth
Search Deals
One-way flight from Los Angeles to Portsmouth
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($226 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2025
Search Deals

Find flight deals from Los Angeles to Portsmouth

Cheapest flights from Los Angeles to Portsmouth
Explore the most affordable flight options available from Los Angeles to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This KLM deal was found by Cheapflights users on 1/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/171:45 pmLAX - SOU
1 stop34h 40mKLM
Tue 2/255:20 pmSOU - LAX
1 stop26h 25mKLM
Deal found 1/20$779
This Delta deal was found by Cheapflights users on 1/21. 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.
Mon 2/171:45 pmLAX - SOU
1 stop19h 05mDelta
Tue 2/255:20 pmSOU - LAX
1 stop26h 25mDelta
Deal found 1/21$781
This FlightHub deal was found by Cheapflights users on 1/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/58:15 amLAX - SOU
2 stops27h 15mAer Lingus
Tue 8/198:00 pmSOU - LAX
1 stop30h 25mAer Lingus
Deal found 1/21$1,129
This FlightHub deal was found by Cheapflights users on 1/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/241:00 amLAX - SOU
2 stops30h 45mMultiple Airlines
Sun 5/49:10 amSOU - LAX
1 stop17h 15mMultiple Airlines
Deal found 1/21$1,164
This British Airways deal was found by Cheapflights users on 1/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/253:35 pmLAX - SOU
2 stops16h 25mBritish Airways
Wed 3/59:30 amSOU - LAX
1 stop17h 00mBritish Airways
Deal found 1/20$2,257

Find flights from Los Angeles to Portsmouth within your budget

Customize your flight search to find flights from Los Angeles 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Mon 2/17

1:45 pm-8:25 am

1 stop34h 40m

Southampton Eastleigh

Tue 2/25

5:20 pm-11:45 am

1 stop26h 25m

$779

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Mon 2/17

1:45 pm-4:50 pm

1 stop19h 05m

Southampton Eastleigh

Tue 2/25

5:20 pm-11:45 am

1 stop26h 25m

$781

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Thu 4/24

1:00 am-3:45 pm

2 stops30h 45m

Southampton Eastleigh

Sun 5/4

9:10 am-6:25 pm

1 stop17h 15m

$1,164

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Thu 4/24

1:00 am-3:45 pm

2 stops30h 45m

Southampton Eastleigh

Sun 5/4

9:10 am-8:45 am

2 stops31h 35m

$1,181

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Tue 2/25

3:35 pm-4:00 pm

2 stops16h 25m

Southampton Eastleigh

Wed 3/5

9:30 am-6:30 pm

1 stop17h 00m

$2,257

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Sun 3/2

1:45 pm-8:25 am

1 stop34h 40m

$502

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Best time to book a flight from Los Angeles to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Los Angeles 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.

Travel insights for flights from Los Angeles to Portsmouth

Get recent, data-driven insights about flights from Los Angeles to Portsmouth including ideal travel times, pricing trends, and more.

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

Currently, November is the cheapest month in which you can book a flight from Los Angeles to Portsmouth (average of $661). Flying from Los Angeles to Portsmouth in June is currently the most expensive (average of $1,137). 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 LAX to P0R?

Find hourly flight availability from Los Angeles 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 January 21, 2025.

When flying from Los Angeles to Portsmouth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Los Angeles to Portsmouth?

Use this chart to determine the cheapest time to fly round-trip from Los Angeles to Portsmouth. Price data was last updated on January 28, 2024.

Travelers seeking maximum savings on their Los Angeles 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 Los Angeles to Portsmouth

Explore weekly flight availability from Los Angeles 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 January 21, 2025.

The most flights from LAX to P0R are scheduled on a Monday (53 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (39 on average).

Rainfall in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portsmouth ranges from 1.0 - 3.0 inches per month. December is typically the wettest month, when rainfall can reach 3.0 in. July is typically the driest time to visit Portsmouth when rainfall is around 1.0 in.

Temperature in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portsmouth, 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 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

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 January 21, 2025.
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

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

Aer Lingus
7.1
Good
1,082 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

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

British Airways
6.6
Okay
6,834 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

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 Los Angeles to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Los Angeles to Portsmouth?

    If you book a flight to Portsmouth from Los Angeles, you will be flying from Los Angeles, which is the city’s only airport. Los Angeles (LAX) is located 9.4 mi from the center of Los Angeles. There are 0 flights from Los Angeles to Portsmouth per day from 22 different airlines.

  • What are the most reliable airlines from Los Angeles to Portsmouth?

    Before booking your flight to Portsmouth from Los Angeles, check out the most reliable airlines to get you to your destination on time: Air Canada (90%), Austrian Airlines (90%), United Airlines( 90%).

  • What are the cheapest flights from Los Angeles to Portsmouth?

    On average you can expect to pay $1,706 for a flight from Los Angeles to Portsmouth. The cheapest flight overall is $405 while the most popular route, (Los Angeles - Southampton Eastleigh) is currently priced at $701.

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

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

  • How can I find direct flights from Los Angeles to Portsmouth?

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

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

    Yes. Cheapflights offers flight deals from Los Angeles 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 Los Angeles to Portsmouth?

    Currently, November is the cheapest month in which you can book a flight from Los Angeles to Portsmouth (average of $661). Flying from Los Angeles to Portsmouth in June is currently the most expensive (average of $1,137). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Los Angeles to Portsmouth

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Heathrow flights
San Francisco to Heathrow flights
Los Angeles to London City flights
San Francisco to London City flights
San Francisco to Gatwick flights
Los Angeles to Gatwick flights
San Diego to Heathrow flights
Ontario to Heathrow flights
Las Vegas to Heathrow flights
Los Angeles to Luton flights
San Diego to Gatwick flights
San Diego to London City flights
Los Angeles to Stansted flights
San Francisco to Edinburgh flights
Los Angeles to Edinburgh flights
Las Vegas to London City flights
Sacramento to Heathrow flights
San Jose to Heathrow flights
San Francisco to Stansted flights
Oakland to Heathrow flights
Las Vegas to Gatwick flights
Sacramento to Gatwick flights
Santa Ana to Heathrow flights
San Francisco to Luton flights
San Francisco to Manchester flights
Los Angeles to Southend flights
Los Angeles to Manchester flights
Sacramento to London City flights
San Diego to Edinburgh flights
San Jose to Gatwick flights
Fresno to Heathrow flights
Oakland to Gatwick flights
Ontario to Edinburgh flights
Burbank to Heathrow flights
Reno to Heathrow flights
Santa Ana to Gatwick flights
Los Angeles to Southampton flights
San Francisco to Southampton flights
Santa Rosa to Heathrow flights
Long Beach to Heathrow flights
Ontario to Manchester flights
San Jose to London City flights
Fresno to London City flights
Los Angeles to Birmingham flights
San Jose to Edinburgh flights
Reno to Gatwick flights
Medford to Heathrow flights
Palm Springs to Heathrow flights
Burbank to Manchester flights
Las Vegas to Edinburgh flights

Top 10 airlines flying from Los Angeles to Portsmouth

Discover the top 10 airlines that operate flights from Los Angeles 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$369Average$871FlexibilityNo cancel feeOn-time60%
Norse Atlantic UKCheapest$380Average$687FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$419Average$600FlexibilityNo cancel feeOn-time77%
KLMCheapest$463Average$878FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$487Average$806FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$509Average$817FlexibilityNo cancel feeOn-time76%
DeltaCheapest$520Average$939FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$547Average$923FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$552Average$746FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$560Average$670FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.