Cheap flights from Portsmouth to Riverside from £258
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 22/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Portsmouth to Riverside
Keep the following information in mind while searching for Portsmouth to Riverside flight deals. Data was last updated 11 heinäkuu 2025.
Round-trip from | £566 |
---|---|
One-way from | £258 |
Popular in | August |
Cheapest in | March |
Average price | £770 |
Find flight deals from Portsmouth to Riverside
Cheapest flights from Portsmouth to RiversideExplore the most affordable flight options available from Portsmouth to Riverside. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 heinäkuu 2025.
Explore the most affordable flight options available from Portsmouth to Riverside. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 heinäkuu 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Portsmouth to Riverside 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 11 heinäkuu 2025.
Use the filters below to find and compare flights from Portsmouth to Riverside that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SouthamptonLos Angeles
SOU - LAX
SOULAX
Southampton Eastleigh
pe 3/10
17:35-11:50
1 stop26h 15m
Los Angeles
ma 6/10
07:00-08:45
2 stops17h 45m
SouthamptonLos Angeles
SOU - LAX
SOULAX
Southampton Eastleigh
ma 25/8
09:20-14:50
1 stop13h 30m
Los Angeles
ma 1/9
16:50-08:45
1 stop31h 55m
SouthamptonLos Angeles
SOU - LAX
SOULAX
Southampton Eastleigh
pe 22/8
16:15-20:31
2 stops36h 16m
Los Angeles
pe 29/8
19:45-14:20
1 stop34h 35m
SouthamptonLos Angeles
SOU - LAX
SOULAX
Southampton Eastleigh
pe 22/8
18:25-23:50
2 stops37h 25m
Los Angeles
pe 29/8
15:20-08:45
2 stops33h 25m
SouthamptonLos Angeles
SOU - LAX
SOULAX
Southampton Eastleigh
ma 25/8
20:00-18:25
1 stop30h 25m
Los Angeles
su 31/8
01:11-19:30
2 stops34h 19m
SouthamptonLos Angeles
SOU - LAX
SOULAX
Southampton Eastleigh
pe 12/12
09:30-18:30
1 stop17h 00m
Los Angeles
ma 5/1
18:00-21:15
2 stops19h 15m
SouthamptonLos Angeles
SOU - LAX
SOULAX
Southampton Eastleigh
ke 22/10
09:00-18:05
2 stops41h 05m
SouthamptonLos Angeles
SOU - LAX
SOULAX
Southampton Eastleigh
pe 28/11
09:30-18:30
1 stop17h 00m
SouthamptonLos Angeles
SOU - LAX
SOULAX
Southampton Eastleigh
ti 23/9
09:10-18:25
1 stop17h 15m
SouthamptonLos Angeles
SOU - LAX
SOULAX
Southampton Eastleigh
to 2/10
09:20-11:50
1 stop34h 30m
Best time to book a flight from Portsmouth to Riverside
Have a flexible travel schedule? Discover the best time to fly to Riverside from Portsmouth with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Portsmouth to Riverside
What is the cheapest month to book a flight from Portsmouth to Riverside?
Currently, January is the cheapest month in which you can book a flight from Portsmouth to Riverside (average of £575). Flying from Portsmouth to Riverside 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 R1V?
Find hourly flight availability from Portsmouth to Riverside. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 heinäkuu 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to Riverside as you normally would.
What is the cheapest day to fly from Portsmouth to Riverside?
Use this chart to determine the cheapest time to fly return from Portsmouth to Riverside. Price data was last updated on 29 September 2024.
Travellers seeking maximum savings on their Portsmouth to Riverside 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 Riverside
Explore weekly flight availability from Portsmouth to Riverside. 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 11 heinäkuu 2025.
The most flights from P0R to R1V are scheduled on a Monday (56 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (56 on average).
Reviews of airlines servicing Riverside
Get insights into the airlines that provide service to Riverside. 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 Riverside. Reviews last updated 11 heinäkuu 2025.
Check out reviews from past customers who have flown with Delta, KLM, andVirgin Atlantic from Portsmouth to Riverside to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
Food
Crew
Entertainment
Boarding
Comfort
Reviews
Aaron,Oct 2024
TUS - LAX
Overall
Food
Crew
Entertainment
Boarding
Comfort
Reviews
Aaron,Oct 2024
TUS - LAX
Overall
Food
Crew
Entertainment
Boarding
Comfort
Reviews
Aaron,Oct 2024
TUS - LAX
Overall
Food
Crew
Entertainment
Boarding
Comfort
Reviews
Aaron,Oct 2024
TUS - LAX
Overall
Food
Crew
Entertainment
Boarding
Comfort
Reviews
Aaron,Oct 2024
TUS - LAX
Overall
Food
Crew
Entertainment
Boarding
Comfort
Reviews
Aaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Portsmouth to Riverside. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Portsmouth to Riverside
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Portsmouth to Riverside
Discover the top 10 airlines that operate flights from Portsmouth to Riverside. 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 11 heinäkuu 2025.
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 Riverside?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portsmouth to Riverside. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Riverside?
Cheapflights helps you find that perfect flight to Riverside from Portsmouth by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Portsmouth to Riverside with no change fees?
Yes, we can. To see specific flights from Portsmouth to Riverside with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Portsmouth to Riverside become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Riverside from Portsmouth today and book when prices fit your budget.