$338+ Cheap flights from Riverside, CA to Portimão, Portugal
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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — FAO
Nov 29 — Dec 61
1 adult, Economy
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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
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Cheapest flights from Riverside to PortimãoExplore the most affordable flight options available from Riverside to Portimão. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.
Explore the most affordable flight options available from Riverside to Portimão. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.
This KLM deal was found by Cheapflights users on 10/30. 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 12/81:45 pmLAX - FAO
1 stop21h 10mKLM
Mon 12/157:15 pmFAO - LAX
1 stop24h 30mKLM
Deal found 10/30![KLM logo]()
$731
This Expedia deal was found by Cheapflights users on 10/28. 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.
Sat 12/139:00 pmLAX - FAO
2 stops53h 30mMultiple Airlines
Sat 12/206:10 pmFAO - LAX
1 stop32h 20mMultiple Airlines
Deal found 10/28![Multiple Airlines logo]()
$868
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:45 amLAX - FAO
3 stops32h 05mMultiple Airlines
Mon 12/154:35 pmFAO - LAX
3 stops30h 40mMultiple Airlines
Deal found 10/30![Multiple Airlines logo]()
$893
This KLM deal was found by Cheapflights users on 10/29. 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.
Fri 11/71:45 pmLAX - FAO
1 stop21h 35mKLM
Mon 11/247:15 pmFAO - LAX
1 stop24h 30mKLM
Deal found 10/29![KLM logo]()
$900
This Expedia deal was found by Cheapflights users on 10/28. 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.
Sat 12/138:45 pmLAX - FAO
2 stops53h 15mScandinavian Airlines
Sat 12/2012:00 pmFAO - LAX
2 stops61h 00mScandinavian Airlines
Deal found 10/28![Scandinavian Airlines logo]()
$921
This FlightHub deal was found by Cheapflights users on 10/29. 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 11/44:45 pmLAX - FAO
1 stop23h 05mTAP AIR PORTUGAL
Fri 11/711:15 amFAO - LAX
1 stop35h 45mTAP AIR PORTUGAL
Deal found 10/29![TAP AIR PORTUGAL logo]()
$946
This Ovago deal was found by Cheapflights users on 10/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1212:55 amLAX - FAO
2 stops25h 35mAer Lingus
Sat 12/206:10 pmFAO - LAX
1 stop32h 20mAer Lingus
Deal found 10/28![Aer Lingus logo]()
$957
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/146:55 amLAX - FAO
2 stops43h 30mUnited Airlines
Sun 12/211:30 pmFAO - LAX
2 stops39h 58mUnited Airlines
Deal found 10/30![United Airlines logo]()
$998
Cheap flight deals from Riverside to Portimão
Keep the following information in mind while searching for Riverside to Portimão flight deals. Data was last updated October 30, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $591 (Kiwi.com) |
One-way from | $338 (Kiwi.com) |
Popular in | July |
Cheapest in | August |
Average price | $876 |
Cheapflights Fare Finder
Customize your flight search to find flights from Riverside to Portimão 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 October 30, 2025.
Use the filters below to find and compare flights from Riverside to Portimão that are best for you.
Fly from
Riverside
Fly to
Portimão
Route
Depart
Return
Price
Los AngelesFaro
LAX - FAO
LAXFAO
Los Angeles
Fri 2/27
3:00 pm-4:05 pm
2 stops17h 05m
Faro
Sun 3/8
3:05 pm-2:05 pm
2 stops30h 00m
$674
Los AngelesFaro
LAX - FAO
LAXFAO
Los Angeles
Fri 2/27
7:10 pm-6:25 pm
1 stop15h 15m
Faro
Sun 3/8
8:45 am-4:35 pm
1 stop15h 50m
$715
Los AngelesFaro
LAX - FAO
LAXFAO
Los Angeles
Mon 12/8
1:45 pm-6:55 pm
1 stop21h 10m
Faro
Mon 12/15
7:15 pm-11:45 am
1 stop24h 30m
$731
Los AngelesFaro
LAX - FAO
LAXFAO
Los Angeles
Wed 3/25
6:20 am-9:35 am
2 stops20h 15m
Faro
Sun 3/29
8:10 am-9:42 pm
2 stops21h 32m
$732
Los AngelesFaro
LAX - FAO
LAXFAO
Los Angeles
Thu 2/26
12:25 am-4:05 pm
2 stops31h 40m
Faro
Sun 3/8
1:30 pm-2:05 pm
1 stop31h 35m
$807
Los AngelesFaro
LAX - FAO
LAXFAO
Los Angeles
Tue 4/7
7:00 am-7:50 am
2 stops40h 50m
$338
Los AngelesFaro
LAX - FAO
LAXFAO
Los Angeles
Wed 4/8
7:00 am-10:35 pm
2 stops31h 35m
$370
Los AngelesFaro
LAX - FAO
LAXFAO
Los Angeles
Thu 4/2
5:30 pm-10:25 am
2 stops32h 55m
$391
Los AngelesFaro
LAX - FAO
LAXFAO
Los Angeles
Mon 12/29
7:10 pm-10:35 pm
3 stops43h 25m
$400
Los AngelesFaro
LAX - FAO
LAXFAO
Los Angeles
Mon 4/6
7:35 pm-10:25 am
2 stops30h 50m
$421
Showing 1-10 of 14 results
Best time to book a flight from Riverside to Portimão
Have a flexible travel schedule? Discover the best time to fly to Portimão from Riverside 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 Riverside to Portimão
What is the cheapest month to book a flight from Riverside to Portimão?
Currently, August is the cheapest month in which you can book a flight from Riverside to Portimão (average of $480). Flying from Riverside to Portimão in July is currently the most expensive (average of $1,059). 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 R1V to P0T?
Find hourly flight availability from Riverside to Portimão. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.
It’s typically best to fly out from Riverside to Portimão at noon. Doing so could potentially save you 20% on the flight price compared to flying in the morning, which is usually more expensive.
What is the cheapest day to fly from Riverside to Portimão?
Use this chart to determine the cheapest time to fly round-trip from Riverside to Portimão. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Riverside to Portimão flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Portimão
Get insights into the airlines that provide service to Portimão. 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 Portimão. Reviews last updated October 30, 2025.
Read reviews from past customers who have flown SWISS, United Airlines, and TAP AIR PORTUGAL from Riverside to Portimão. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.5
Boarding
7.7
Food
7.1
Crew
8.2
Entertainment
6.8
Comfort
7.4
Reviews
1 / 20
10.0
ExcellentLeonardo,Aug 2025
HKG - ZRH
Overall
7.5
Boarding
7.7
Food
7.1
Crew
8.2
Entertainment
6.8
Comfort
7.4
Reviews
1 / 20
10.0
ExcellentLeonardo,Aug 2025
HKG - ZRH
Overall
7.5
Boarding
7.7
Food
7.1
Crew
8.2
Entertainment
6.8
Comfort
7.4
Reviews
1 / 20
10.0
ExcellentLeonardo,Aug 2025
HKG - ZRH
Overall
7.5
Boarding
7.7
Food
7.1
Crew
8.2
Entertainment
6.8
Comfort
7.4
Reviews
1 / 20
10.0
ExcellentLeonardo,Aug 2025
HKG - ZRH
Overall
7.5
Boarding
7.7
Food
7.1
Crew
8.2
Entertainment
6.8
Comfort
7.4
Reviews
1 / 20
10.0
ExcellentLeonardo,Aug 2025
HKG - ZRH
Overall
7.5
Boarding
7.7
Food
7.1
Crew
8.2
Entertainment
6.8
Comfort
7.4
Reviews
1 / 20
10.0
ExcellentLeonardo,Aug 2025
HKG - ZRH
Related info for your journey
Find useful and relevant information for your journey from Riverside to Portimão. 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 Riverside to Portimão
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Riverside to Portimão
Discover the top 5 airlines that operate flights from Riverside to Portimão. 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 October 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$569 | Average$1,024 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$742 | Average$975 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$750 | Average$1,069 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$755 | Average$898 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$868 | Average$1,257 | FlexibilityNo cancel fee | On-time79% |