$79+ Cheap flights from Seattle (SEA) to Riverside, CA
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAX
Oct 4 — Oct 111
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Riverside with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Riverside are usually found in March or May, booked 65 days in advance, depart on a Thursday or Friday and return on a Thursday
Cheap flight deals from Seattle to Riverside
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to RiversideExplore the most affordable flight options available from Seattle to Riverside. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
Explore the most affordable flight options available from Seattle to Riverside. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
This Expedia deal was found by Cheapflights users on 9/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/148:09 pm -
Nonstop2h 50m
Wed 11/185:15 pm -
1 stop16h 30m
Deal found 9/4![Frontier logo]()
$121
This Priceline deal was found by Cheapflights users on 9/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:15 pm -
Nonstop2h 49m
Tue 10/63:35 pm -
Nonstop3h 01m
Deal found 9/2![Frontier logo]()
$122
This Trip.com deal was found by Cheapflights users on 9/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:09 pm -
Nonstop2h 50m
Mon 11/93:41 pm -
Nonstop3h 13m
Deal found 9/2![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:15 pm -
Nonstop2h 49m
Tue 10/273:41 pm -
Nonstop3h 13m
Deal found 9/1![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 9/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:15 pm -
Nonstop2h 49m
Fri 10/23:35 pm -
Nonstop3h 01m
Deal found 9/1![Frontier logo]()
$125
This Expedia deal was found by Cheapflights users on 9/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:09 pm -
Nonstop2h 50m
Thu 10/2911:31 am -
1 stop22h 14m
Deal found 9/2![Frontier logo]()
$126
This Mytrip deal was found by Cheapflights users on 9/1. 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.
Tue 9/228:15 pm -
Nonstop2h 49m
Mon 9/283:35 pm -
Nonstop3h 01m
Deal found 9/1![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:15 pm -
Nonstop2h 49m
Wed 10/143:35 pm -
Nonstop3h 10m
Deal found 9/3![Frontier logo]()
$128
This CheapOair deal was found by Cheapflights users on 8/31. 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 9/228:15 pm -
Nonstop2h 49m
Sat 9/263:35 pm -
Nonstop3h 01m
Deal found 8/31![Frontier logo]()
$129
This FlightHub deal was found by Cheapflights users on 9/2. 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 9/298:15 pm -
Nonstop2h 49m
Wed 9/303:09 pm -
Nonstop3h 01m
Deal found 9/2![Frontier logo]()
$130
This Gotogate deal was found by Cheapflights users on 9/2. 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.
Sat 10/38:15 pm -
Nonstop2h 49m
Mon 10/52:50 pm -
1 stop18h 52m
Deal found 9/2![Frontier logo]()
$131
Best flights from Seattle to RiversideDiscover carefully curated flight deals from Seattle to Riverside that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
Discover carefully curated flight deals from Seattle to Riverside that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
This Delta deal was found by Cheapflights users on 9/3. 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.
Thu 11/1212:31 pm -
Nonstop2h 42m
Sun 11/159:06 pm -
Nonstop2h 53m
Deal found 9/3![Delta logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 8/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/711:43 am -
1 stop6h 32m
Mon 11/93:58 pm -
1 stop7h 15m
Deal found 8/31![Alaska Airlines logo]()
$223
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Sat 9/2612:16 pm -
Nonstop3h 06m
Wed 9/3012:55 pm -
Nonstop2h 55m
Deal found 9/3![United Airlines logo]()
$247
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:05 pm -
2 stops7h 45m
Tue 10/205:45 pm -
1 stop4h 10m
Deal found 9/2![Southwest logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 8/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:55 pm -
1 stop4h 29m
Tue 10/209:12 am -
1 stop6h 52m
Deal found 8/31![Alaska Airlines logo]()
$223
This Delta deal was found by Cheapflights users on 9/2. 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.
Sat 2/209:30 am -
Nonstop2h 50m
Sun 2/285:35 pm -
Nonstop2h 56m
Deal found 9/2![Delta logo]()
$242
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Fri 9/256:43 pm -
Nonstop2h 49m
Mon 9/287:10 pm -
Nonstop2h 49m
Deal found 9/1![United Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 9/2. 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.
Sat 10/35:55 pm -
Nonstop2h 47m
Mon 10/59:00 pm -
Nonstop2h 50m
Deal found 9/2![Delta logo]()
$242
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/13:25 pm -
1 stop7h 42m
Thu 10/84:30 pm -
Nonstop2h 59m
Deal found 9/3![United Airlines logo]()
$257
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Fri 10/27:25 pm -
1 stop5h 01m
Sun 10/47:10 pm -
Nonstop2h 49m
Deal found 8/30![United Airlines logo]()
$257
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/225:20 pm -
1 stop7h 11m
Sun 9/277:10 pm -
Nonstop2h 49m
Deal found 9/1![United Airlines logo]()
$257
This United Airlines deal was found by Cheapflights users on 9/3. 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 1/2812:15 pm -
Nonstop3h 00m
Mon 2/14:15 pm -
1 stop7h 16m
Deal found 9/3![United Airlines logo]()
$257
Last-minute flights from Seattle to RiversideDiscover last-minute flight deals from Seattle to Riverside. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Riverside. Data last updated September 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:15 pm -
Nonstop2h 49m
Tue 10/273:41 pm -
Nonstop3h 13m
Deal found 9/1![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 9/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:15 pm -
Nonstop2h 49m
Fri 10/23:35 pm -
Nonstop3h 01m
Deal found 9/1![Frontier logo]()
$125
This Booking.com deal was found by Cheapflights users on 9/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:15 pm -
Nonstop2h 49m
Sat 9/263:35 pm -
Nonstop3h 01m
Deal found 9/1![Frontier logo]()
$127
This Expedia deal was found by Cheapflights users on 9/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:15 pm -
Nonstop2h 49m
Tue 10/611:30 am -
1 stop22h 12m
Deal found 9/2![Frontier logo]()
$121
This FlightHub deal was found by Cheapflights users on 9/2. 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 9/298:15 pm -
Nonstop2h 49m
Wed 9/303:09 pm -
Nonstop3h 01m
Deal found 9/2![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:15 pm -
Nonstop2h 49m
Wed 10/143:35 pm -
Nonstop3h 10m
Deal found 9/3![Frontier logo]()
$128
This Gotogate deal was found by Cheapflights users on 9/2. 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.
Sat 10/38:15 pm -
Nonstop2h 49m
Mon 10/52:50 pm -
1 stop18h 52m
Deal found 9/2![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:00 pm -
Nonstop2h 46m
Sat 10/173:35 pm -
Nonstop3h 10m
Deal found 9/3![Frontier logo]()
$133
This Expedia deal was found by Cheapflights users on 9/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:09 pm -
Nonstop2h 50m
Thu 10/2911:31 am -
1 stop22h 14m
Deal found 9/2![Frontier logo]()
$126
One-way flights from Seattle to RiversideSearch for one-way flight options from Seattle to Riverside. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
Search for one-way flight options from Seattle to Riverside. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
This Frontier deal was found by Cheapflights users on 9/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:15 pm -
Nonstop2h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:09 pm -
Nonstop2h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:09 pm -
Nonstop2h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/30![Frontier logo]()
$82
This Super.com deal was found by Cheapflights users on 9/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:09 pm -
Nonstop2h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$83
This WAYA deal was found by Cheapflights users on 8/31. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/33:48 pm -
1 stop5h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$86
This WAYA deal was found by Cheapflights users on 9/1. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:44 pm -
1 stop5h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$87
This Southwest deal was found by Cheapflights users on 9/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:50 pm -
1 stop5h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Southwest logo]()
$89
This WAYA deal was found by Cheapflights users on 9/1. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:18 am -
1 stop6h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$91
This Super.com deal was found by Cheapflights users on 9/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:15 pm -
Nonstop2h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$92
Find flight deals from Seattle to Riverside
Keep the following information in mind while searching for Seattle to Riverside flight deals. Data was last updated September 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $121 (Travelocity) |
One-way from | $79 (Frontier) |
Popular in | July |
Cheapest in | March |
Average price | $255 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Riverside 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 7,457,451 searches. Data last updated September 4, 2026.
Use the filters below to find and compare flights from Seattle to Riverside that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleLos Angeles
SEA Seattle/Tacoma Intl - LAX Los Angeles Los Angeles
SEALAX
Seattle/Tacoma Intl
Wed 9/30
8:41 am-7:07 pm
1 stop10h 26m
Los Angeles Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$117
SeattleLos Angeles
SEA Seattle/Tacoma Intl - LAX Los Angeles Los Angeles
SEALAX
Seattle/Tacoma Intl
Mon 10/5
8:36 pm-8:58 am
1 stop12h 22m
Los Angeles Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$117
Quickest round-trip
SeattleLos Angeles
SEA Seattle/Tacoma Intl - LAX Los Angeles Los Angeles
SEALAX
Seattle/Tacoma Intl
Tue 11/3
1:41 pm-6:34 pm
1 stop4h 53m
Los Angeles Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$124
SeattleLos Angeles
SEA Seattle/Tacoma Intl - LAX Los Angeles Los Angeles
SEALAX
Seattle/Tacoma Intl
Tue 11/10
8:54 am-3:32 pm
1 stop6h 38m
Los Angeles Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$124
SeattleLos Angeles
SEA Seattle/Tacoma Intl - LAX Los Angeles Los Angeles
SEALAX
Seattle/Tacoma Intl
Tue 10/27
5:35 am-1:00 pm
2 stops7h 25m
Los Angeles Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$129
SeattleLos Angeles
SEA Seattle/Tacoma Intl - LAX Los Angeles Los Angeles
SEALAX
Seattle/Tacoma Intl
Tue 11/3
4:40 pm-6:40 am
2 stops14h 00m
Los Angeles Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$135
SeattleLos Angeles
SEA Seattle/Tacoma Intl - LAX Los Angeles Los Angeles
SEALAX
Seattle/Tacoma Intl
Tue 9/22
1:45 pm-9:15 pm
2 stops7h 30m
Los Angeles Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$154
SeattleLos Angeles
SEA Seattle/Tacoma Intl - LAX Los Angeles Los Angeles
SEALAX
Seattle/Tacoma Intl
Tue 1/5
5:40 am-3:55 pm
2 stops10h 15m
Los Angeles Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$155
SeattleLos Angeles
SEA Seattle/Tacoma Intl - LAX Los Angeles Los Angeles
SEALAX
Seattle/Tacoma Intl
Thu 11/12
12:31 pm-3:13 pm
Nonstop2h 42m
Los Angeles Los Angeles
Sun 11/15
9:06 pm-11:59 pm
Nonstop2h 53m
$157
SeattleLos Angeles
SEA Seattle/Tacoma Intl - LAX Los Angeles Los Angeles
SEALAX
Seattle/Tacoma Intl
Thu 11/5
6:15 am-1:25 pm
2 stops7h 10m
Los Angeles Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$174
Showing 1-10 of 24 resultsSorted by cheapest first
Best time to book a flight from Seattle to Riverside
Have a flexible travel schedule? Discover the best time to fly to Riverside from Seattle with our price prediction graph.
SEA-LAX
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 Seattle to Riverside
SEA-R1V
SEA-LAX
What is the cheapest time of day to fly from SEA to R1V?
Find hourly flight availability from Seattle to Riverside. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 4, 2026.
It’s typically best to fly out from Seattle to Riverside in the morning. Doing so could potentially save you 9% on the flight price compared to flying in the afternoon, which is usually more expensive.
Weekly flight availability from Seattle to Riverside
Explore weekly flight availability from Seattle to Riverside. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 4, 2026.
The most flights from SEA to R1V are scheduled on a Wednesday (109 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (22 on average).
How much does it cost to fly round-trip from Seattle to Riverside?
Airfare is below average for this route at the moment.
Seattle to Riverside flights typically cost between $186 and $341 in November.The cheapest round-trip price found within the last 5 days was $121 on Frontier (Nov 14-Nov 18).
What is the cheapest day to fly from Seattle to Riverside?
Use this chart to determine the cheapest time to fly round-trip from Seattle to Riverside. Price data was last updated on August 29, 2026.
Travelers seeking maximum savings on their Seattle to Riverside flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Riverside
Get insights into the airlines that provide service to Riverside. 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 Riverside. Reviews last updated September 4, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited Airlines from Seattle to Riverside by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Entertainment
7.0
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Entertainment
7.0
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Entertainment
7.0
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Entertainment
7.0
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Entertainment
7.0
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Entertainment
7.0
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
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Seattle and Riverside flights
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Top 8 airlines flying from Seattle to Riverside
Discover the top 8 airlines that operate flights from Seattle to Riverside. 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 7,457,451 searches. Data last updated September 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$44 | Average$209 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$328 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$109 | Average$293 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$130 | Average$293 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$136 | Average$238 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$139 | Average$299 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$148 | Average$309 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$218 | Average$363 | FlexibilityNo cancel fee | On-time71% |