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Dulles Intl

$117+ Cheap flights from Riverside, CA to Dulles Intl (IAD)

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Riverside to Washington, D.C. Dulles Intl are usually found in September or May, booked 89 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Riverside to Dulles Intl

Keep the following information in mind while searching for Riverside to Dulles Intl flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$216
(Trip.com)

One-way from

$117
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$416
Provider with most accurate pricing for Los Angeles-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Washington, D.C. (WAS) flights.
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From Riverside to Washington, D.C. Dulles Intl
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One-way flight from Riverside to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Riverside to Dulles Intl

Cheapest flights from Riverside to Dulles Intl
Explore the most affordable flight options available from Riverside to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Trip.com deal was found by Cheapflights users on 3/27. 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.
Sat 4/268:00 amLAX - IAD
Nonstop5h 00mHawaiian Airlines
Fri 5/25:38 pmIAD - LAX
Nonstop5h 49mHawaiian Airlines
Deal found 3/27$216
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 8/168:20 amLAX - IAD
Nonstop5h 05mAlaska Airlines
Mon 8/188:19 pmIAD - LAX
Nonstop5h 29mAlaska Airlines
Deal found 3/27$217
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 4/308:20 amLAX - IAD
Nonstop5h 06mUnited Airlines
Fri 5/27:54 pmIAD - LAX
Nonstop5h 46mUnited Airlines
Deal found 3/27$227
This Frontier deal was found by Cheapflights users on 3/27. 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 4/2210:35 pmLAX - IAD
1 stop12h 47mFrontier
Thu 4/244:03 pmIAD - LAX
1 stop8h 32mFrontier
Deal found 3/27$238
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/248:00 amLAX - IAD
Nonstop5h 00mMultiple Airlines
Sun 4/275:25 pmIAD - LAX
1 stop27h 30mMultiple Airlines
Deal found 3/27$239
This Southwest deal was found by Cheapflights users on 3/27. 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 5/15:20 amLAX - IAD
1 stop9h 35mSouthwest
Mon 5/55:35 pmIAD - LAX
1 stop8h 55mSouthwest
Deal found 3/27$247
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2911:59 pmLAX - IAD
1 stop8h 54mSun Country Air
Mon 6/212:43 pmIAD - LAX
1 stop13h 06mSun Country Air
Deal found 3/27$289
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1312:40 amLAX - IAD
1 stop7h 20mAmerican Airlines
Sat 8/237:07 amIAD - LAX
1 stop7h 13mAmerican Airlines
Deal found 3/27$357

Cheapflights Fare Finder

Customize your flight search to find flights from Riverside to Dulles Intl 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 March 28, 2025.
Use the filters below to find and compare flights from Riverside to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Riverside

Fly to

Dulles Intl

Route

Depart

Return

Price

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sat 4/26

8:00 am-4:00 pm

Nonstop5h 00m

Washington, D.C. Dulles Intl

Fri 5/2

5:38 pm-8:27 pm

Nonstop5h 49m

$216

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sat 8/16

8:20 am-4:25 pm

Nonstop5h 05m

Washington, D.C. Dulles Intl

Mon 8/18

8:19 pm-10:48 pm

Nonstop5h 29m

$217

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 4/30

8:20 am-4:26 pm

Nonstop5h 06m

Washington, D.C. Dulles Intl

Fri 5/2

7:54 pm-10:40 pm

Nonstop5h 46m

$227

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 4/22

10:35 pm-2:22 pm

1 stop12h 47m

Washington, D.C. Dulles Intl

Thu 4/24

4:03 pm-9:35 pm

1 stop8h 32m

$238

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 4/24

8:00 am-4:00 pm

Nonstop5h 00m

Washington, D.C. Dulles Intl

Sun 4/27

5:25 pm-5:55 pm

1 stop27h 30m

$239

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 5/1

5:20 am-5:55 pm

1 stop9h 35m

Washington, D.C. Dulles Intl

Mon 5/5

5:35 pm-11:30 pm

1 stop8h 55m

$247

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 5/29

11:59 pm-11:53 am

1 stop8h 54m

Washington, D.C. Dulles Intl

Mon 6/2

12:43 pm-10:49 pm

1 stop13h 06m

$289

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 6/13

12:40 am-11:00 am

1 stop7h 20m

Washington, D.C. Dulles Intl

Sat 8/23

7:07 am-11:20 am

1 stop7h 13m

$357

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 5/5

8:05 pm-6:31 am

1 stop7h 26m

$117

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 4/30

9:45 am-11:58 pm

1 stop11h 13m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

Showing 1-10 of 18 results
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Best time to book a flight from Riverside to Dulles Intl

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

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

Use this chart to determine the optimal time to book a round-trip flight from Riverside to Dulles Intl. Price data was last updated on March 21, 2025.

To ensure you get the cheapest price possible for a flight from Riverside to Washington, D.C. Dulles Intl Airport, you should look to book at least 89 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Riverside to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Riverside to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $385). 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 R1V to IAD?

Find hourly flight availability from Riverside to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

When flying from Riverside to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Use this chart to determine the cheapest time to fly round-trip from Riverside to Dulles Intl. Price data was last updated on March 23, 2025.

Travelers seeking maximum savings on their Riverside to Washington, D.C. Dulles Intl Airport flight should consider departing on Friday afternoons 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 Riverside to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Riverside to Dulles Intl. 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 March 28, 2025.

The most flights from R1V to IAD are scheduled on a Thursday (41 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated March 28, 2025.
To help decide which airline to fly from Riverside to Washington, D.C., see what other customers have to say about Southwest, Alaska Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Hawaiian Airlines
7.9
Good
2,335 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

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

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

    $117 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and Southwest, with prices starting from $118 and $124, respectively.

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

    Consider Ethiopian Air (95%), Air China (94%) or Asiana Airlines (93%) when booking your flight. These represent the most reliable airlines when flying from Riverside to Washington, D.C. Dulles Intl Airport.

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

    Looking for the cheapest flight from Riverside to Washington, D.C. Dulles Intl Airport? While on average our users pay $991, our data indicates the cheapest price to be $113. The most popular route (Los Angeles - Washington, D.C. Dulles Intl), is priced around $197.

  • Can I find deals for flights from Riverside to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Riverside to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Riverside to Dulles Intl?

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

  • Can I find deals for business class flights from Riverside to Dulles Intl?

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

    Currently, August is the cheapest month in which you can book a flight from Riverside to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Riverside to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $385). 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

Traveling to a place near Riverside?

Book flights to Riverside if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Tysons
Springfield
Rockville
Woodbridge
Gaithersburg
Fredericksburg
Linthicum Heights
Silver Spring
Falls Church
Laurel
Easton
Herndon
Sterling
Bowie
Gettysburg
National Harbor
Oxon Hill

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Alternative routes for Riverside to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Monterey to Baltimore flights

Top 8 airlines flying from Riverside to Dulles Intl

Discover the top 8 airlines that operate flights from Riverside to Dulles Intl. 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$110Average$253FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$273FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$138Average$398FlexibilityNo cancel feeOn-time75%
DeltaCheapest$140Average$409FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$193Average$327FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$227Average$473FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$231Average$539FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$286Average$489FlexibilityNo cancel feeOn-time71%
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