Cheap Flights to Riverside County | Popular Routes to Riverside County from HK$1,091

View HK$1,091 flight on Thu, 19 Mar 2026Opens in a new window

Popular airlines to Riverside County

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • American Airlines

    American Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • WestJet

    WestJet

  • Air Canada

    Air Canada

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Riverside County

Prices were available within the past 7 days and start at HK$1,091 for one-way flights and HK$2,009 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 17 Mar - Tue, 24 Mar
SAT
San Antonio
ONT
Ontario
HK$2,009 Return, found 4 days ago
HK$2,009
Return
found 4 days ago
Select Delta flight, departing Tue, 17 Mar from San Antonio to Ontario, returning Tue, 24 Mar, priced at HK$2,009 found 4 days ago
Delta
Mon, 16 Mar - Tue, 24 Mar
SAT
San Antonio
ONT
Ontario
HK$2,095 Return, found 4 days ago
HK$2,095
Return
found 4 days ago
Select Delta flight, departing Mon, 16 Mar from San Antonio to Ontario, returning Tue, 24 Mar, priced at HK$2,095 found 4 days ago
Delta
Mon, 16 Mar - Mon, 23 Mar
SAT
San Antonio
ONT
Ontario
HK$2,181 Return, found 4 days ago
HK$2,181
Return
found 4 days ago
Select Delta flight, departing Mon, 16 Mar from San Antonio to Ontario, returning Mon, 23 Mar, priced at HK$2,181 found 4 days ago
Delta
Tue, 17 Mar - Fri, 27 Mar
SAT
San Antonio
ONT
Ontario
HK$2,579 Return, found 4 days ago
HK$2,579
Return
found 4 days ago
Select Delta flight, departing Tue, 17 Mar from San Antonio to Ontario, returning Fri, 27 Mar, priced at HK$2,579 found 4 days ago
American Airlines
Tue, 3 Feb - Thu, 5 Feb
SAT
San Antonio
CLD
Carlsbad
HK$2,944 Return, found 18 hours ago
HK$2,944
Return
found 18 hours ago
Select American Airlines flight, departing Tue, 3 Feb from San Antonio to Carlsbad, returning Thu, 5 Feb, priced at HK$2,944 found 18 hours ago
Delta
Thu, 19 Mar - Sat, 21 Mar
SAT
San Antonio
SNA
Orange County
HK$3,375 Return, found 4 days ago
HK$3,375
Return
found 4 days ago
Select Delta flight, departing Thu, 19 Mar from San Antonio to Orange County, returning Sat, 21 Mar, priced at HK$3,375 found 4 days ago
United
Thu, 19 Mar - Sat, 21 Mar
SAT
San Antonio
ONT
Ontario
HK$4,675 Return, found 4 days ago
HK$4,675
Return
found 4 days ago
Select United flight, departing Thu, 19 Mar from San Antonio to Ontario, returning Sat, 21 Mar, priced at HK$4,675 found 4 days ago
United
Mon, 26 Jan - Mon, 2 Feb
HKG
Hong Kong SAR
ONT
Ontario
HK$5,642 Return, found 6 hours ago
HK$5,642
Return
found 6 hours ago
Select United flight, departing Mon, 26 Jan from Hong Kong SAR to Ontario, returning Mon, 2 Feb, priced at HK$5,642 found 6 hours ago
Air Canada
Fri, 24 Apr - Thu, 30 Apr
HKG
Hong Kong SAR
SNA
Orange County
HK$5,785 Return, found 7 hours ago
HK$5,785
Return
found 7 hours ago
Select Air Canada flight, departing Fri, 24 Apr from Hong Kong SAR to Orange County, returning Thu, 30 Apr, priced at HK$5,785 found 7 hours ago
STARLUX Airlines
Wed, 25 Feb - Fri, 6 Mar
HKG
Hong Kong SAR
ONT
Ontario
HK$6,385 Return, found 2 days ago
HK$6,385
Return
found 2 days ago
Select STARLUX Airlines flight, departing Wed, 25 Feb from Hong Kong SAR to Ontario, returning Fri, 6 Mar, priced at HK$6,385 found 2 days ago

Trending flights to Riverside County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 26 Jan - Mon, 2 Feb
HKG
Hong Kong SAR
ONT
Ontario
HK$5,642 Return, found 6 hours ago
HK$5,642
Return
found 6 hours ago
Select United flight, departing Mon, 26 Jan from Hong Kong SAR to Ontario, returning Mon, 2 Feb, priced at HK$5,642 found 6 hours ago

Frequently asked questions

How do I find cheap flights to Riverside County that have flexible change policies?
When it comes to flying these days, flexibility is important. That's why we've added a "No change fee" filter to help you find cheap and flexible fares to Riverside County. It's on the left of your screen underneath the "Flexible change policies" subheading.
Which airlines fly to Riverside County?
You can choose from a selection of airlines that offer flights into or near Riverside County. A few of your top options are:

  • Delta Air Lines - 4,064 flights to or near Riverside County each month, including 4,064 flights to Los Angeles Intl. Airport (LAX) per month.
  • American Airlines - 3,361 flights to or near Riverside County each month, including 3,361 flights to Los Angeles Intl. Airport (LAX) per month.
  • United Airlines - 2,991 flights to or near Riverside County each month, including 2,991 flights to Los Angeles Intl. Airport (LAX) per month.

How can I find cheap tickets to Riverside County?
A good strategy for scoring cheap fares is to be flexible with your travel dates. Start by searching for your flight to Riverside County, then click on the "flexible dates" box to compare prices for nearby days. Another good tip? Book well ahead. For an idea of costs, HK$2,009 was the lowest price for a flight to Riverside County in the last seven days.
How much is a flight to Riverside County?
One-way flights leaving San Antonio (SAT) sold for as low as HK$1,091 in the last seven days. During this period, the cost of a return air ticket to Riverside County varied between HK$2,009 and HK$6,385. If you find a fantastic deal, book immediately — these fares don't stick around.
What are the most popular airports to fly into in Riverside County?
Los Angeles Intl. Airport (LAX) is the main entry point for people hoping to visit Riverside County. Approximately 16,630 flights per month land at this airport.
When is the cheapest time to fly to Riverside County?
Try to leave early in the week to nab a bargain airfare to Riverside County. Tuesday is usually the cheapest day to depart, followed by Monday. Saturday often has the most expensive prices. This is because many people choose to start their vacation on a weekend.
How much is a plane ticket to Riverside County?
In the last seven days, seats to Riverside County cost between HK$2,009 and HK$6,385. The early bird catches the worm, so grab an awesome deal today.
What is the best time to go to Riverside County?
January, February and November are popular months to travel to Riverside, one of Riverside County's most renowned cities. Summer here starts June 20. Temperatures vary from 21ºC to 29ºC across this season, so plan your travels around then if warmer weather is your preference.
What months are the cheapest to book a flight to Riverside County?
An inexpensive month to secure a top deal to Riverside County is February, whereas prices are at a premium in December. Avoid this time if you're counting your pennies.

Book with confidence

About Riverside County

Expedia offers flights to Riverside County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Riverside County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Riverside County

Explore a world of travel with Expedia

*Available to Expedia members.