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Riverside

$101+ Cheap flights from Washington, D.C. (WAS) to Riverside, CA

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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LAX
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Riverside are usually found in September or August, booked 54 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Washington, D.C. to Riverside

Cheapest flights from Washington, D.C. to Riverside
Explore the most affordable flight options available from Washington, D.C. to Riverside. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/12. 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.
Thu 12/188:00 amDCA - LAX
1 stop19h 30mFrontier
Wed 1/77:00 amLAX - DCA
1 stop6h 59mFrontier
Deal found 12/12$240
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Tue 12/308:00 amDCA - LAX
1 stop26h 42mFrontier
Tue 1/67:00 amLAX - DCA
1 stop11h 59mFrontier
Deal found 12/14$246
This Kiwi.com deal was found by Cheapflights users on 12/12. 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.
Thu 12/188:00 amDCA - LAX
1 stop19h 30mFrontier
Tue 1/67:00 amLAX - DCA
1 stop11h 59mFrontier
Deal found 12/12$247
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 12/158:00 amDCA - LAX
1 stop19h 29mFrontier
Sat 1/107:00 amLAX - DCA
1 stop11h 59mFrontier
Deal found 12/12$252
This Expedia deal was found by Cheapflights users on 12/12. 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.
Mon 12/155:40 amBWI - LAX
1 stop10h 07mFrontier
Sat 1/101:48 pmLAX - BWI
1 stop25h 39mFrontier
Deal found 12/12$253
This Kiwi.com deal was found by Cheapflights users on 12/12. 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.
Tue 12/309:09 pmBWI - LAX
2 stops16h 01mMultiple Airlines
Sat 1/1710:45 pmLAX - BWI
1 stop7h 24mMultiple Airlines
Deal found 12/12$255
This Expedia deal was found by Cheapflights users on 12/13. 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.
Thu 12/188:00 amDCA - LAX
1 stop26h 42mFrontier
Thu 12/253:58 pmLAX - DCA
1 stop18h 03mFrontier
Deal found 12/13$258
This Kiwi.com deal was found by Cheapflights users on 12/12. 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.
Tue 12/309:09 pmBWI - LAX
2 stops16h 01mMultiple Airlines
Tue 1/137:07 pmLAX - BWI
1 stop12h 20mMultiple Airlines
Deal found 12/12$274
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 12/3110:40 amBWI - LAX
2 stops24h 02mMultiple Airlines
Sat 1/1710:45 pmLAX - BWI
1 stop7h 24mMultiple Airlines
Deal found 12/12$278
This CheapOair deal was found by Cheapflights users on 12/15. 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 12/319:34 amBWI - LAX
1 stop14h 41mSpirit Airlines
Wed 1/76:15 amLAX - BWI
1 stop7h 57mSpirit Airlines
Deal found 12/15$280
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 12/155:45 amIAD - LAX
1 stop10h 02mFrontier
Sat 1/106:49 pmLAX - IAD
1 stop23h 07mFrontier
Deal found 12/12$281
This Expedia deal was found by Cheapflights users on 12/12. 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 12/318:00 amDCA - LAX
1 stop26h 42mFrontier
Thu 1/84:33 pmLAX - DCA
1 stop17h 28mFrontier
Deal found 12/12$282

Find flight deals from Washington, D.C. to Riverside

Keep the following information in mind while searching for Washington, D.C. to Riverside flight deals. Data was last updated December 15, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$199
(CheapOair)

One-way from

$101
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$507
Provider with most accurate pricing for Washington, D.C. (WAS)-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Los Angeles flights.
Search Deals
From Washington, D.C. (WAS) to Riverside
Search Deals
One-way flight from Washington, D.C. (WAS) to Riverside
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($45 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($15 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 Washington, D.C. 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 2,558,603 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Riverside that are best for you.

Fly from

Washington, D.C.

Fly to

Riverside

Route

Depart

Return

Price

BaltimoreLos Angeles

BWI - LAX

BWILAX

Baltimore/Washington

Thu 1/1

9:34 am-9:15 pm

1 stop14h 41m

Los Angeles

Wed 1/7

6:15 am-5:12 pm

1 stop7h 57m

$229

Washington, D.C.Los Angeles

DCA - LAX

DCALAX

Washington, D.C. Reagan-National

Wed 1/14

3:25 pm-11:56 pm

1 stop11h 31m

Los Angeles

Thu 1/22

7:00 am-6:49 pm

1 stop8h 49m

$255

Washington, D.C.Los Angeles

DCA - LAX

DCALAX

Washington, D.C. Reagan-National

Sat 1/31

6:00 am-2:14 pm

1 stop11h 14m

Los Angeles

Sat 1/31

8:38 pm-8:36 am

1 stop8h 58m

$255

Washington, D.C.Los Angeles

DCA - LAX

DCALAX

Washington, D.C. Reagan-National

Mon 1/26

4:38 pm-7:45 pm

Nonstop6h 07m

Los Angeles

Thu 2/5

7:43 am-3:33 pm

Nonstop4h 50m

$257

Washington, D.C.Los Angeles

DCA - LAX

DCALAX

Washington, D.C. Reagan-National

Tue 1/27

9:59 am-12:56 pm

Nonstop5h 57m

Los Angeles

Tue 2/3

12:08 pm-8:00 pm

Nonstop4h 52m

$257

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Sat 1/17

6:00 pm-8:44 pm

Nonstop5h 44m

Los Angeles

Sat 1/31

8:40 am-4:22 pm

Nonstop4h 42m

$257

Washington, D.C.Los Angeles

DCA - LAX

DCALAX

Washington, D.C. Reagan-National

Sat 1/31

9:59 am-12:56 pm

Nonstop5h 57m

Los Angeles

Sat 2/7

12:08 pm-8:00 pm

Nonstop4h 52m

$257

Washington, D.C.Los Angeles

DCA - LAX

DCALAX

Washington, D.C. Reagan-National

Mon 1/26

4:38 pm-7:45 pm

Nonstop6h 07m

Los Angeles

Wed 2/4

7:43 am-3:33 pm

Nonstop4h 50m

$257

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 2/11

3:19 pm-6:05 pm

Nonstop5h 46m

Los Angeles

Sun 2/15

11:25 pm-7:15 am

Nonstop4h 50m

$257

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 1/28

3:19 pm-6:05 pm

Nonstop5h 46m

Los Angeles

Sun 2/1

9:30 pm-5:24 am

Nonstop4h 54m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 60 results
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Best time to book a flight from Washington, D.C. to Riverside

Have a flexible travel schedule? Discover the best time to fly to Riverside from Washington, D.C. 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 Washington, D.C. to Riverside

How far ahead should I book a flight from Washington, D.C. to Riverside?

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

The price you pay for your flight from Washington, D.C. to Riverside may vary depending on when you book. For the best chance of a lower fare, look to book 54 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. to Riverside?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Riverside (average of $70). Flying from Washington, D.C. to Riverside in December is currently the most expensive (average of $184). 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 WAS to R1V?

Find hourly flight availability from Washington, D.C. 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 December 15, 2025.

It’s typically best to fly out from Washington, D.C. to Riverside in the evening. Doing so could potentially save you 34% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Washington, D.C. to Riverside?

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

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

Weekly flight availability from Washington, D.C. to Riverside

Explore weekly flight availability from Washington, D.C. 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 December 15, 2025.

The most flights from WAS to R1V are scheduled on a Sunday (47 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from Washington, D.C. to Riverside?

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 December 15, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and United Airlines from Washington, D.C. to Riverside. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,453 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Alaska Airlines
8.0
Very good
11,453 reviews
Alaska Airlines
8.0
Very good
11,453 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Southwest
7.9
Good
4,249 reviews
Alaska Airlines
8.0
Very good
11,453 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
United Airlines
7.4
Good
9,093 reviews
Alaska Airlines
8.0
Very good
11,453 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
American Airlines
7.2
Good
11,048 reviews
Alaska Airlines
8.0
Very good
11,453 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Spirit Airlines
6.3
Okay
8,188 reviews
Alaska Airlines
8.0
Very good
11,453 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Riverside. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. to Riverside?

    Departing from Washington, D.C. to Riverside will take you 6h 07m. The distance from Washington, D.C. to Riverside is about 2304 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Washington, D.C. to Riverside one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $72. Frontier flights start at $83 while deals on Southwest start at $99 one-way.

  • What are the most popular routes from Washington, D.C. to Riverside?

    The most popular route from Washington, D.C. to Riverside is Washington, D.C. Reagan-National - Los Angeles. You may also consider Washington, D.C. Dulles Intl - Los Angeles or Baltimore/Washington - Los Angeles.

  • What are the most reliable airlines from Washington, D.C. to Riverside?

    Consider Ethiopian Air (95%), Egyptair (94%) or ITA Airways (93%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. to Riverside.

  • What are the cheapest flights from Washington, D.C. to Riverside?

    On average you can expect to pay $1,071 for a flight from Washington, D.C. to Riverside. The cheapest flight overall is $138 while the most popular route, (Washington, D.C. Reagan-National - Los Angeles) is currently priced at $149.

  • Can I find deals for flights from Washington, D.C. to Riverside that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Riverside flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Riverside?

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

  • Can I find deals for business class flights from Washington, D.C. to Riverside?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Riverside 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 Washington, D.C. to Riverside?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Riverside (average of $70). Flying from Washington, D.C. to Riverside in December is currently the most expensive (average of $184). 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

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Alternative routes for Washington, D.C. to Riverside

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Washington, D.C. to Riverside

Discover the top 10 airlines that operate flights from Washington, D.C. 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 2,558,603 searches. Data last updated December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$93Average$228FlexibilityNo cancel feeOn-time65%
FrontierCheapest$118Average$288FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$138Average$363FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$142Average$296FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$169Average$454FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$172Average$434FlexibilityNo cancel feeOn-time69%
DeltaCheapest$185Average$455FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$186Average$439FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$203Average$457FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$327Average$361FlexibilityNo cancel feeOn-time83%

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