Flight to Riverside County

View S$101 flight on Fri, 1 May, 2026Opens in a new window

Popular airlines to Riverside County

  • Alaska Airlines

  • Delta

  • American Airlines

  • United

  • WestJet

  • Southwest Airlines

  • Air Canada

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Cheap round-trip flights to Riverside County

Prices were available within the past 7 days and start at S$101 for one-way flights and S$390 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 16 Apr - Sun, 19 Apr
SEA
Seattle
ONT
Ontario
S$390 Return, found 1 day ago
S$390
Return
found 1 day ago
Select Delta flight, departing Thu, 16 Apr from Seattle to Ontario, returning Sun, 19 Apr, priced at S$390 found 1 day ago
Delta
Fri, 3 Apr - Sun, 5 Apr
SEA
Seattle
ONT
Ontario
S$402 Return, found 1 day ago
S$402
Return
found 1 day ago
Select Delta flight, departing Fri, 3 Apr from Seattle to Ontario, returning Sun, 5 Apr, priced at S$402 found 1 day ago
United
Tue, 17 Mar - Sat, 21 Mar
SEA
Seattle
ONT
Ontario
S$414 Return, found 3 days ago
S$414
Return
found 3 days ago
Select United flight, departing Tue, 17 Mar from Seattle to Ontario, returning Sat, 21 Mar, priced at S$414 found 3 days ago
American Airlines
Tue, 1 Sept - Sat, 5 Sept
SEA
Seattle
CLD
Carlsbad
S$448 Return, found 17 hours ago
S$448
Return
found 17 hours ago
Select American Airlines flight, departing Tue, 1 Sept from Seattle to Carlsbad, returning Sat, 5 Sept, priced at S$448 found 17 hours ago
American Airlines
Wed, 22 Apr - Wed, 29 Apr
SEA
Seattle
CLD
Carlsbad
S$557 Return, found 5 days ago
S$557
Return
found 5 days ago
Select American Airlines flight, departing Wed, 22 Apr from Seattle to Carlsbad, returning Wed, 29 Apr, priced at S$557 found 5 days ago
Delta
Thu, 16 Apr - Mon, 20 Apr
SEA
Seattle
LGB
Long Beach
S$570 Return, found 6 days ago
S$570
Return
found 6 days ago
Select Delta flight, departing Thu, 16 Apr from Seattle to Long Beach, returning Mon, 20 Apr, priced at S$570 found 6 days ago
China Airlines
Tue, 21 Apr - Thu, 30 Apr
SIN
Singapore
ONT
Ontario
S$1,018 Return, found 3 days ago
S$1,018
Return
found 3 days ago
Select China Airlines flight, departing Tue, 21 Apr from Singapore to Ontario, returning Thu, 30 Apr, priced at S$1,018 found 3 days ago
STARLUX Airlines
Sat, 13 Jun - Mon, 22 Jun
SIN
Singapore
ONT
Ontario
S$1,068 Return, found 5 days ago
S$1,068
Return
found 5 days ago
Select STARLUX Airlines flight, departing Sat, 13 Jun from Singapore to Ontario, returning Mon, 22 Jun, priced at S$1,068 found 5 days ago
China Airlines
Fri, 18 Sept - Sat, 3 Oct
SIN
Singapore
SNA
Orange County
S$1,201 Return, found 5 days ago
S$1,201
Return
found 5 days ago
Select China Airlines flight, departing Fri, 18 Sept from Singapore to Orange County, returning Sat, 3 Oct, priced at S$1,201 found 5 days ago
Hawaiian Airlines
Thu, 16 Apr - Mon, 20 Apr
SEA
Seattle
LGB
Long Beach
S$1,296 Return, found 6 days ago
S$1,296
Return
found 6 days ago
Select Hawaiian Airlines flight, departing Thu, 16 Apr from Seattle to Long Beach, returning Mon, 20 Apr, priced at S$1,296 found 6 days ago

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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.

China Airlines
Tue, 21 Apr - Thu, 30 Apr
SIN
Singapore
ONT
Ontario
S$1,018 Return, found 3 days ago
S$1,018
Return
found 3 days ago
Select China Airlines flight, departing Tue, 21 Apr from Singapore to Ontario, returning Thu, 30 Apr, priced at S$1,018 found 3 days 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, S$390 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 Seattle (SEA) sold for as low as S$101 in the last seven days. During this period, the cost of a return air ticket to Riverside County varied between S$390 and S$1,296. 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 holiday on a weekend.
How much is a plane ticket to Riverside County?
In the last seven days, seats to Riverside County cost between S$390 and S$1,296. 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

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.

Travel information

Riverside County Flights Information

Airlines serving
Delta, United, American Airlines, China Airlines, STARLUX Airlines, Lufthansa, EVA Airways, Hawaiian Airlines
Roundtrip price
from S$390
Riverside County Flights Information

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