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San José

$153+ Cheap flights from Riverside, CA to San José (SJO)

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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SJO
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Riverside to San José Juan Santamaria Intl are usually found in October or September, booked 79 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Riverside to San José

Cheapest flights from Riverside to San José
Explore the most affordable flight options available from Riverside to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:50 pmLAX - SJO
1 stop19h 42mAmerican Airlines
Sat 1/316:00 amSJO - LAX
1 stop19h 05mAmerican Airlines
Deal found 12/16$356
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/3111:20 pmLAX - SJO
Nonstop5h 45mDelta
Sat 1/318:25 amSJO - LAX
Nonstop6h 28mDelta
Deal found 12/16$375
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/1812:05 pmLAX - SJO
1 stop8h 27mUnited Airlines
Sun 12/216:40 amSJO - LAX
Nonstop6h 28mUnited Airlines
Deal found 12/17$397
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:02 amLAX - SJO
1 stop8h 58mUnited Airlines
Mon 12/222:20 pmSJO - LAX
1 stop11h 10mUnited Airlines
Deal found 12/16$407
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Wed 12/3110:44 pmLAX - SJO
Nonstop5h 41mUnited Airlines
Sat 1/316:40 amSJO - LAX
Nonstop6h 28mUnited Airlines
Deal found 12/17$411
This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:43 pmLAX - SJO
1 stop10h 42mSpirit Airlines
Sat 1/311:30 pmSJO - LAX
2 stops20h 52mSpirit Airlines
Deal found 12/16$415
This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:59 pmLAX - SJO
2 stops16h 26mSpirit Airlines
Sat 1/311:30 pmSJO - LAX
1 stop11h 26mSpirit Airlines
Deal found 12/16$420
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:44 pmLAX - SJO
Nonstop5h 41mUnited Airlines
Sat 1/316:40 amSJO - LAX
Nonstop6h 28mUnited Airlines
Deal found 12/16$423

Find flight deals from Riverside to San José

Keep the following information in mind while searching for Riverside to San José flight deals. Data was last updated December 18, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$321
(CheapOair)

One-way from

$153
(Super.com)

Popular in

December

Cheapest in

October

Average price

$787
Provider with most accurate pricing for Los Angeles-San José Juan Santamaria Intl flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-San José Juan Santamaria Intl flights.
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From Riverside to San José Juan Santamaria Intl
Search Deals
One-way flight from Riverside to San José Juan Santamaria Intl
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside to San José 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 December 18, 2025.
Use the filters below to find and compare flights from Riverside to San José that are best for you.

Fly from

Riverside

Fly to

San José

Route

Depart

Return

Price

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Tue 3/10

5:23 pm-12:08 am

Nonstop5h 45m

San José Juan Santamaria Intl

Mon 3/16

1:28 am-7:09 am

Nonstop6h 41m

$353

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Sun 3/8

5:23 pm-12:08 am

Nonstop5h 45m

San José Juan Santamaria Intl

Sat 3/14

1:28 am-7:09 am

Nonstop6h 41m

$374

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Wed 2/25

4:23 pm-12:07 am

Nonstop5h 44m

San José Juan Santamaria Intl

Sat 3/7

1:27 am-6:08 am

Nonstop6h 41m

$374

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Tue 3/3

4:23 pm-12:07 am

Nonstop5h 44m

San José Juan Santamaria Intl

Mon 3/9

1:28 am-7:09 am

Nonstop6h 41m

$374

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Thu 1/15

7:35 am-8:39 pm

1 stop11h 04m

San José Juan Santamaria Intl

Tue 1/20

6:30 am-4:56 pm

1 stop12h 26m

$391

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Tue 3/10

5:23 pm-12:08 am

Nonstop5h 45m

San José Juan Santamaria Intl

Wed 3/25

12:20 am-6:00 am

Nonstop6h 40m

$395

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Thu 3/12

5:23 pm-12:08 am

Nonstop5h 45m

San José Juan Santamaria Intl

Sat 3/14

1:28 am-7:09 am

Nonstop6h 41m

$409

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Tue 1/20

4:16 pm-11:59 pm

Nonstop5h 43m

San José Juan Santamaria Intl

Tue 1/27

1:16 am-6:00 am

Nonstop6h 44m

$409

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Tue 1/20

4:16 pm-11:59 pm

Nonstop5h 43m

San José Juan Santamaria Intl

Wed 1/21

1:16 am-6:00 am

Nonstop6h 44m

$418

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Fri 2/20

11:19 pm-7:00 am

Nonstop5h 41m

San José Juan Santamaria Intl

Sat 2/28

8:25 am-12:53 pm

Nonstop6h 28m

$421

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 21 results
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Best time to book a flight from Riverside to San José

Have a flexible travel schedule? Discover the best time to fly to San José 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 San José

How far ahead should I book a flight from Riverside to San José?

Use this chart to determine the optimal time to book a round-trip flight from Riverside to San José. Price data was last updated on December 12, 2025.

Booking 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from Riverside to San José. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Riverside to San José?

Currently, October is the cheapest month in which you can book a flight from Riverside to San José (average of $152). Flying from Riverside to San José in December is currently the most expensive (average of $313). 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 SJO?

Find hourly flight availability from Riverside to San José. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

One of the essential ways to save on airfare from Riverside to San José is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 21% on airfare.

What is the cheapest day to fly from Riverside to San José?

Use this chart to determine the cheapest time to fly round-trip from Riverside to San José. Price data was last updated on December 13, 2025.

Travelers seeking maximum savings on their Riverside to San José flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing San José

Get insights into the airlines that provide service to San José. 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 San José. Reviews last updated December 18, 2025.
Read through reviews of airlines operating flights from Riverside to San José, such as Alaska Airlines, Delta, and Volaris Costa Rica. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,477 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,477 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,005 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Volaris Costa Rica
7.8
Good
80 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,091 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Avianca
6.6
Okay
2,490 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

Find useful and relevant information for your journey from Riverside to San José. 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 into for flights to San José from Riverside?

    Located just 8.8 mi from the city center, San José Juan Santamaria Intl is the airport most travelers will use when flying to San José from Riverside. Booking flights from Riverside to Juan Santamaria Intl (SJO) should be relatively easy as there is 1 daily inbound flight from Riverside from 11 different airlines.

  • How popular is this Riverside to San José flight route?

    Within the past month, 34 users have taken a look at flights from Riverside to San José Juan Santamaria Intl.

  • How long is the flight from Riverside to San José?

    Departing from Riverside to San José will take you 5h 45m. The distance between Riverside and San José is about 2721 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Volaris El Salvador, which is currently one of the cheapest options available, starting at $104. Volaris Costa Rica flights start at $125 while deals on Spirit Airlines start at $129 one-way.

  • What are the most reliable airlines from Riverside to San José?

    The top 3 most reliable airlines when flying from Riverside to San José are American Airlines (89%), Alaska Airlines (89%) and United Airlines (86%).

  • What are the cheapest flights from Riverside to San José?

    Looking for the cheapest flight from Riverside to San José? While on average our users pay $834, our data indicates the cheapest price to be $151. The most popular route (Los Angeles - San José Juan Santamaria Intl), is priced around $206.

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

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

  • How can I find direct flights from Riverside to San José?

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

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

    Yes. Cheapflights offers flight deals from Riverside to San José 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 San José?

    Currently, October is the cheapest month in which you can book a flight from Riverside to San José (average of $152). Flying from Riverside to San José in December is currently the most expensive (average of $313). 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

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Manuel Antonio
Alajuela
Monteverde
Jacó
Heredia
Dominical

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Alternative routes for Riverside to San José

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Riverside to San José

Discover the top 10 airlines that operate flights from Riverside to San José. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$81Average$269FlexibilityNo cancel feeOn-time65%
Volaris El SalvadorCheapest$117Average$265FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$165Average$473FlexibilityNo cancel feeOn-time71%
Volaris Costa RicaCheapest$195Average$379FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$205Average$555FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$320Average$505FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$337Average$483FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$339Average$508FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$351Average$588FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$366Average$656FlexibilityNo cancel feeOn-time71%

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