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Portimão

$265+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — FAO
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Riverside to Portimão

Cheapest flights from Riverside to Portimão
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 January 29, 2026.

This oojo deal was found by Cheapflights users on 1/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/244:45 pm
LAX
-
FAO
1 stop23h 05m
TAP AIR PORTUGAL
Tue 3/36:05 am
FAO
-
LAX
1 stop16h 55m
TAP AIR PORTUGAL
Deal found 1/26$431
This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:55 pm
LAX
-
FAO
1 stop20h 55m
TAP AIR PORTUGAL
Wed 3/184:35 pm
FAO
-
LAX
1 stop30h 05m
TAP AIR PORTUGAL
Deal found 1/28$432
This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:55 pm
LAX
-
FAO
1 stop31h 30m
TAP AIR PORTUGAL
Thu 3/196:05 am
FAO
-
LAX
1 stop16h 35m
TAP AIR PORTUGAL
Deal found 1/27$436
This FlightHub deal was found by Cheapflights users on 1/27. 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 5/124:45 pm
LAX
-
FAO
1 stop23h 05m
TAP AIR PORTUGAL
Tue 5/196:05 am
FAO
-
LAX
1 stop16h 40m
TAP AIR PORTUGAL
Deal found 1/27$452
This KLM deal was found by Cheapflights users on 1/26. 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.
Tue 2/248:00 am
LAX
-
FAO
2 stops17h 30m
KLM
Tue 3/37:45 pm
FAO
-
LAX
1 stop24h 00m
KLM
Deal found 1/26$488
This KLM deal was found by Cheapflights users on 1/27. 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.
Thu 3/122:45 pm
LAX
-
FAO
1 stop34h 40m
KLM
Wed 3/186:55 pm
FAO
-
LAX
2 stops28h 09m
KLM
Deal found 1/27$494
This Gurufare deal was found by Cheapflights users on 1/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:30 pm
LAX
-
FAO
2 stops33h 50m
Multiple Airlines
Wed 4/223:55 pm
FAO
-
LAX
1 stop31h 20m
Multiple Airlines
Deal found 1/28$560
This Mytrip deal was found by Cheapflights users on 1/26. 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.
Sun 4/267:35 am
LAX
-
FAO
2 stops23h 30m
Multiple Airlines
Thu 4/303:55 pm
FAO
-
LAX
1 stop31h 20m
Multiple Airlines
Deal found 1/26$569
This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/277:10 pm
LAX
-
FAO
1 stop15h 15m
SWISS
Sun 3/88:45 am
FAO
-
LAX
1 stop15h 50m
SWISS
Deal found 1/27$583
This KLM deal was found by Cheapflights users on 1/27. 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 3/162:45 pm
LAX
-
FAO
1 stop35h 45m
KLM
Mon 3/237:15 pm
FAO
-
LAX
1 stop24h 30m
KLM
Deal found 1/27$608
This Gotogate deal was found by Cheapflights users on 1/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/168:10 pm
LAX
-
FAO
1 stop15h 00m
Multiple Airlines
Mon 3/234:35 pm
FAO
-
LAX
2 stops30h 40m
Multiple Airlines
Deal found 1/27$615

Find flight deals from Riverside to Portimão

Keep the following information in mind while searching for Riverside to Portimão flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$431
(oojo)

One-way from

$265
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$946
Provider with most accurate pricing for Los Angeles-Faro flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Faro flights.
Search Deals
From Riverside to Portimão
Search Deals
One-way flight from Riverside to Portimão
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($211 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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

Tue 2/24

8:00 am-9:30 am

2 stops17h 30m

Faro

Tue 3/3

7:45 pm-11:45 am

1 stop24h 00m

$488

Los AngelesFaro

LAX - FAO

LAXFAO

Los Angeles

Mon 3/16

2:45 pm-9:30 am

1 stop35h 45m

Faro

Mon 3/23

7:15 pm-12:45 pm

1 stop24h 30m

$608

Los AngelesFaro

LAX - FAO

LAXFAO

Los Angeles

Sun 5/10

4:45 pm-9:05 am

1 stop32h 20m

Faro

Tue 5/19

7:55 pm-2:45 pm

1 stop26h 50m

$629

Los AngelesFaro

LAX - FAO

LAXFAO

Los Angeles

Mon 5/11

1:50 pm-7:20 am

1 stop33h 30m

Faro

Mon 5/18

9:45 pm-2:45 pm

1 stop25h 00m

$629

Los AngelesFaro

LAX - FAO

LAXFAO

Los Angeles

Mon 5/11

1:50 pm-7:20 am

1 stop33h 30m

Faro

Tue 5/19

9:55 am-12:57 am

2 stops23h 02m

$639

Los AngelesFaro

LAX - FAO

LAXFAO

Los Angeles

Tue 5/12

4:45 pm-7:40 am

1 stop30h 55m

Faro

Mon 5/18

9:45 pm-3:26 pm

2 stops25h 41m

$639

Los AngelesFaro

LAX - FAO

LAXFAO

Los Angeles

Tue 5/12

4:45 pm-7:10 pm

1 stop18h 25m

Faro

Tue 5/19

9:55 am-12:57 am

2 stops23h 02m

$639

Los AngelesFaro

LAX - FAO

LAXFAO

Los Angeles

Sat 5/9

8:55 pm-10:20 am

1 stop29h 25m

Faro

Thu 5/21

4:50 pm-6:25 pm

1 stop33h 35m

$640

Los AngelesFaro

LAX - FAO

LAXFAO

Los Angeles

Fri 5/8

3:45 pm-5:50 pm

1 stop18h 05m

Faro

Wed 5/20

8:00 pm-2:55 pm

1 stop26h 55m

$640

Los AngelesFaro

LAX - FAO

LAXFAO

Los Angeles

Fri 5/8

5:05 pm-5:50 pm

1 stop16h 45m

Faro

Thu 5/21

4:50 pm-6:25 pm

1 stop33h 35m

$640

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 15 results
1
2

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 $1,049). 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.

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 January 29, 2026.
Read reviews from past customers who have flown KLM, SWISS, and United Airlines 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.
KLM
7.7
Good
1,443 reviews

Comfort

7.6

Entertainment

7.1

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,443 reviews
KLM
7.7
Good
1,443 reviews

Comfort

7.6

Entertainment

7.1

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
SWISS
7.6
Good
1,864 reviews
KLM
7.7
Good
1,443 reviews

Comfort

7.6

Entertainment

7.1

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,215 reviews
KLM
7.7
Good
1,443 reviews

Comfort

7.6

Entertainment

7.1

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
TAP AIR PORTUGAL
7.1
Good
2,130 reviews
KLM
7.7
Good
1,443 reviews

Comfort

7.6

Entertainment

7.1

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,705 reviews
KLM
7.7
Good
1,443 reviews

Comfort

7.6

Entertainment

7.1

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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.

  • How long is the flight from Riverside to Portimão?

    There are many flights that can get you from Riverside to Portimão in 17h 30m. Fly via KLM to get the fastest option. The distance between Riverside and Portimão is about 5799 mi.

  • What are the cheapest airlines to fly from Riverside to Portimão one-way?

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as $325. Users have also found prices from $353 and $472 on TAP AIR PORTUGAL and United Airlines, respectively.

  • Can I find deals for flights from Riverside to Portimão that include hotel bookings?

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

  • How can I find direct flights from Riverside to Portimão?

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

  • Can I find deals for business class flights from Riverside to Portimão?

    Yes. Cheapflights offers flight deals from Riverside to Portimão 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 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 $1,049). 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

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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$521Average$838FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$598Average$693FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$635Average$755FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$742Average$994FlexibilityNo cancel feeOn-time69%
SWISSCheapest$745Average$1,255FlexibilityNo cancel feeOn-time79%

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