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Cheap Flights to Riverside County from NT$4,121

View NT$4,121 flight on Tue, 2026/9/22Opens in a new window

Popular airlines to Riverside County

  • Alaska Airlines

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • WestJet

  • Air Canada

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How much is the cheapest flight to Riverside County?

Prices were available within the past 7 days and start at NT$4,121 for one-way flights and NT$6,652 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Sep 5 - Sun, Sep 6
SEA
Seattle
SNA
Orange County
NT$6,652 Roundtrip, found 18 hours ago
NT$6,652
Roundtrip
found 18 hours ago
Select Delta flight, departing Sat, Sep 5 from Seattle to Orange County, returning Sun, Sep 6, priced at NT$6,652 found 18 hours ago
Delta
Thu, Aug 20 - Mon, Aug 24
SEA
Seattle
SNA
Orange County
NT$7,614 Roundtrip, found 4 days ago
NT$7,614
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Aug 20 from Seattle to Orange County, returning Mon, Aug 24, priced at NT$7,614 found 4 days ago
Delta
Sun, Oct 25 - Sat, Oct 31
SEA
Seattle
SNA
Orange County
NT$7,944 Roundtrip, found 23 hours ago
NT$7,944
Roundtrip
found 23 hours ago
Select Delta flight, departing Sun, Oct 25 from Seattle to Orange County, returning Sat, Oct 31, priced at NT$7,944 found 23 hours ago
Delta
Sat, Sep 5 - Sun, Sep 6
SEA
Seattle
SNA
Orange County
NT$7,971 Roundtrip, found 18 hours ago
NT$7,971
Roundtrip
found 18 hours ago
Select Delta flight, departing Sat, Sep 5 from Seattle to Orange County, returning Sun, Sep 6, priced at NT$7,971 found 18 hours ago
Delta
Fri, Aug 21 - Sat, Aug 22
SEA
Seattle
ONT
Ontario
NT$9,076 Roundtrip, found 6 hours ago
NT$9,076
Roundtrip
found 6 hours ago
Select Delta flight, departing Fri, Aug 21 from Seattle to Ontario, returning Sat, Aug 22, priced at NT$9,076 found 6 hours ago
United
Sat, Sep 5 - Sun, Sep 6
SEA
Seattle
SNA
Orange County
NT$9,542 Roundtrip, found 18 hours ago
NT$9,542
Roundtrip
found 18 hours ago
Select United flight, departing Sat, Sep 5 from Seattle to Orange County, returning Sun, Sep 6, priced at NT$9,542 found 18 hours ago
American Airlines
Sat, Sep 5 - Sun, Sep 6
SEA
Seattle
SNA
Orange County
NT$10,679 Roundtrip, found 18 hours ago
NT$10,679
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Sat, Sep 5 from Seattle to Orange County, returning Sun, Sep 6, priced at NT$10,679 found 18 hours ago
United
Fri, Aug 14 - Sun, Aug 23
SEA
Seattle
CLD
Carlsbad
NT$13,141 Roundtrip, found 3 days ago
NT$13,141
Roundtrip
found 3 days ago
Select United flight, departing Fri, Aug 14 from Seattle to Carlsbad, returning Sun, Aug 23, priced at NT$13,141 found 3 days ago
Alaska Airlines
Sat, Jul 25 - Fri, Jul 31
SEA
Seattle
ONT
Ontario
NT$15,982 Roundtrip, found 6 days ago
NT$15,982
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Jul 25 from Seattle to Ontario, returning Fri, Jul 31, priced at NT$15,982 found 6 days ago
STARLUX Airlines
Wed, Sep 2 - Mon, Sep 7
TPE
Taipei
ONT
Ontario
NT$24,892 Roundtrip, just found
NT$24,892
Roundtrip
just found
Select STARLUX Airlines flight, departing Wed, Sep 2 from Taipei to Ontario, returning Mon, Sep 7, priced at NT$24,892 just found

Trending flights to Riverside County

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

STARLUX Airlines
Wed, Sep 2 - Mon, Sep 7
TPE
Taipei
ONT
Ontario
NT$24,892 Roundtrip, just found
NT$24,892
Roundtrip
just found
Select STARLUX Airlines flight, departing Wed, Sep 2 from Taipei to Ontario, returning Mon, Sep 7, priced at NT$24,892 just found

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, NT$6,652 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 (PAE) sold for as low as NT$4,121 in the last seven days. During this period, the cost of a return air ticket to Riverside County varied between NT$6,652 and NT$24,892. 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 NT$6,652 and NT$24,892. 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 70ºF to 85ºF 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.
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