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Dulles Intl

$111+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Riverside to Washington, D.C. Dulles Intl are usually found in May or August, booked 81 days in advance, depart on a Thursday or Friday 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 June 12, 2025.

Round-trip from

$197
(United Airlines)

One-way from

$111
(Alaska Airlines)

Popular in

December

Cheapest in

May

Average price

$382
From Riverside to Washington, D.C. Dulles Intl
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One-way flight from Riverside to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 14% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 6/3011:01 pmLAX - IAD
Nonstop4h 52mUnited Airlines
Tue 7/110:16 pmIAD - LAX
Nonstop5h 29mUnited Airlines
Deal found 6/11$197
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 8/128:20 amLAX - IAD
Nonstop5h 05mAlaska Airlines
Tue 8/198:19 pmIAD - LAX
Nonstop5h 29mAlaska Airlines
Deal found 6/10$202
This Southwest deal was found by Cheapflights users on 6/10. 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 7/21:00 pmLAX - IAD
1 stop6h 45mSouthwest
Sat 7/56:30 amIAD - LAX
1 stop12h 30mSouthwest
Deal found 6/10$204
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/56:00 amLAX - IAD
1 stop10h 19mHawaiian Airlines
Fri 8/158:19 pmIAD - LAX
Nonstop5h 29mHawaiian Airlines
Deal found 6/10$211
This Frontier deal was found by Cheapflights users on 6/11. 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 7/83:48 pmLAX - IAD
1 stop11h 46mFrontier
Mon 7/147:30 amIAD - LAX
1 stop7h 38mFrontier
Deal found 6/11$225
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 8/68:20 amLAX - IAD
Nonstop5h 05mMultiple Airlines
Sun 8/246:10 amIAD - LAX
1 stop8h 57mMultiple Airlines
Deal found 6/10$244
This Sun Country Air deal was found by Cheapflights users on 6/10. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1411:59 pmLAX - IAD
1 stop9h 32mSun Country Air
Thu 7/176:05 amIAD - LAX
1 stop19h 36mSun Country Air
Deal found 6/10$285

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 June 12, 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

Mon 6/30

11:01 pm-6:53 am

Nonstop4h 52m

Washington, D.C. Dulles Intl

Tue 7/1

10:16 pm-12:45 am

Nonstop5h 29m

$197

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 8/12

8:20 am-4:25 pm

Nonstop5h 05m

Washington, D.C. Dulles Intl

Tue 8/19

8:19 pm-10:48 pm

Nonstop5h 29m

$202

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 7/2

1:00 pm-10:45 pm

1 stop6h 45m

Washington, D.C. Dulles Intl

Sat 7/5

6:30 am-4:00 pm

1 stop12h 30m

$204

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 8/5

6:00 am-7:19 pm

1 stop10h 19m

Washington, D.C. Dulles Intl

Fri 8/15

8:19 pm-10:48 pm

Nonstop5h 29m

$211

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 7/8

3:48 pm-6:34 am

1 stop11h 46m

Washington, D.C. Dulles Intl

Mon 7/14

7:30 am-12:08 pm

1 stop7h 38m

$225

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 8/6

8:20 am-4:25 pm

Nonstop5h 05m

Washington, D.C. Dulles Intl

Mon 8/25

6:10 am-12:07 pm

1 stop8h 57m

$244

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 7/14

11:59 pm-12:31 pm

1 stop9h 32m

Washington, D.C. Dulles Intl

Thu 7/17

6:05 am-10:41 pm

1 stop19h 36m

$285

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 8/12

8:20 am-4:25 pm

Nonstop5h 05m

$111

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 7/23

11:20 am-11:08 am

1 stop20h 48m

$112

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 8/13

3:48 pm-6:34 am

1 stop11h 46m

$113

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 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 June 9, 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 81 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 July is currently the most expensive (average of $349). 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 June 12, 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 June 8, 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 June 12, 2025.

The most flights from R1V to IAD are scheduled on a Thursday (38 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 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 June 12, 2025.
To help decide which airline to fly from Riverside to Washington, D.C., see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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?

    $111 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Frontier and Hawaiian Airlines, with prices starting from $113 and $119, respectively.

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

    Consider Iberia (100%), Air China (95%) or Egyptair (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 $1,084, our data indicates the cheapest price to be $113. The most popular route (Los Angeles - Washington, D.C. Dulles Intl), is priced around $181.

  • 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 July is currently the most expensive (average of $349). 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
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
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Easton
Herndon
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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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Los Angeles to Reagan-National flights
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Oakland to Baltimore flights
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San Jose to Reagan-National flights
Las Vegas to Reagan-National flights
Sacramento to Baltimore flights
Sacramento to Reagan-National flights
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Fresno to Dulles Intl flights
Reno to Dulles Intl flights
Burbank to Reagan-National flights
Oakland to Reagan-National flights
Burbank to Dulles Intl flights
Long Beach to Baltimore flights
Reno to Reagan-National flights
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Reno to Baltimore flights
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Long Beach to Dulles Intl flights
San Luis Obispo to Dulles Intl flights
Palm Springs to Baltimore flights
Fresno to Baltimore flights
Santa Barbara to Dulles Intl flights
Monterey to Dulles Intl flights
Santa Barbara to Baltimore flights
San Luis Obispo to Reagan-National flights
Palm Springs to Reagan-National flights
Monterey to Reagan-National flights
Bakersfield to Reagan-National flights
Santa Rosa to Dulles Intl flights
Long Beach to Reagan-National 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$110Average$235FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$113Average$308FlexibilityNo cancel feeOn-time85%
FrontierCheapest$128Average$241FlexibilityNo cancel feeOn-time62%
DeltaCheapest$183Average$429FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$206Average$374FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$226Average$453FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$286Average$447FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$297Average$517FlexibilityNo cancel feeOn-time63%

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