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Dulles Intl

$114+ 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
May 4 — May 111
Sun 5/4
Sun 5/11
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 August, booked 81 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 April 29, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$201
(CheapOair)

One-way from

$114
(Hawaiian Airlines)

Popular in

December

Cheapest in

September

Average price

$377
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
Search Deals
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 ($57 potential increase over avg. RT price).
Search Deals
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 April 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 April 29, 2025.

This CheapOair deal was found by Cheapflights users on 4/28. 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 6/43:48 pmLAX - IAD
1 stop11h 22mFrontier
Sat 6/711:33 amIAD - LAX
1 stop8h 40mFrontier
Deal found 4/28$201
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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.
Sun 5/258:00 amLAX - IAD
Nonstop5h 14mAlaska Airlines
Wed 6/47:25 pmIAD - LAX
Nonstop5h 38mAlaska Airlines
Deal found 4/28$202
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Thu 5/299:35 pmLAX - IAD
Nonstop5h 02mUnited Airlines
Sun 6/110:05 pmIAD - LAX
Nonstop5h 29mUnited Airlines
Deal found 4/27$203
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/88:00 amLAX - IAD
Nonstop5h 00mHawaiian Airlines
Tue 6/37:25 pmIAD - LAX
Nonstop5h 38mHawaiian Airlines
Deal found 4/29$204
This Expedia deal was found by Cheapflights users on 4/29. 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 5/213:41 pmLAX - IAD
1 stop11h 14mMultiple Airlines
Sat 5/247:25 pmIAD - LAX
Nonstop5h 38mMultiple Airlines
Deal found 4/29$213
This Sun Country Air deal was found by Cheapflights users on 4/29. 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.
Sun 6/811:55 pmLAX - IAD
1 stop8h 48mSun Country Air
Thu 6/1212:40 pmIAD - LAX
1 stop13h 04mSun Country Air
Deal found 4/29$285
This Southwest deal was found by Cheapflights users on 4/28. 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 5/285:25 amLAX - IAD
2 stops9h 30mSouthwest
Fri 5/305:35 pmIAD - LAX
1 stop8h 55mSouthwest
Deal found 4/28$298

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 April 29, 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

Wed 6/4

3:48 pm-6:10 am

1 stop11h 22m

Washington, D.C. Dulles Intl

Sat 6/7

11:33 am-5:13 pm

1 stop8h 40m

$201

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sun 5/25

8:00 am-4:14 pm

Nonstop5h 14m

Washington, D.C. Dulles Intl

Wed 6/4

7:25 pm-10:03 pm

Nonstop5h 38m

$202

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 5/29

4:45 pm-12:44 am

Nonstop4h 59m

Washington, D.C. Dulles Intl

Sun 6/1

8:20 pm-10:49 pm

Nonstop5h 29m

$203

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 5/8

8:00 am-4:00 pm

Nonstop5h 00m

Washington, D.C. Dulles Intl

Tue 6/3

7:25 pm-10:03 pm

Nonstop5h 38m

$204

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 5/21

3:41 pm-5:55 am

1 stop11h 14m

Washington, D.C. Dulles Intl

Sat 5/24

7:25 pm-10:03 pm

Nonstop5h 38m

$213

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sun 6/8

11:55 pm-11:43 am

1 stop8h 48m

Washington, D.C. Dulles Intl

Thu 6/12

12:40 pm-10:44 pm

1 stop13h 04m

$285

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 5/28

5:25 am-5:55 pm

2 stops9h 30m

Washington, D.C. Dulles Intl

Fri 5/30

5:35 pm-11:30 pm

1 stop8h 55m

$298

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 7/17

8:20 am-4:25 pm

Nonstop5h 05m

$114

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sun 6/8

9:21 pm-2:42 pm

1 stop14h 21m

$115

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 6/3

6:45 pm-7:36 am

1 stop9h 51m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 16 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 April 25, 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 June is currently the most expensive (average of $373). 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 April 29, 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 30, 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 April 29, 2025.

The most flights from R1V to IAD are scheduled on a Tuesday (35 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (4 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 April 29, 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
9,961 reviews

Boarding

8.2

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

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
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

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
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

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
7,936 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

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
2,402 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

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?

    $114 is the cheapest one-way deal found within the past few days, from Hawaiian Airlines. You may also be able to find cheap deals on Frontier and Alaska Airlines, with prices starting from $115 and $118, respectively.

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

    Consider Cathay Pacific (100%), Iberia (100%) or Singapore Airlines (97%) 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 $955, our data indicates the cheapest price to be $113. The most popular route (Los Angeles - Washington, D.C. Dulles Intl), is priced around $179.

  • 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 $373). 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
Fairfax
Tysons
Springfield
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Fredericksburg
Gaithersburg
Silver Spring
Linthicum Heights
Falls Church
Laurel
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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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Fresno to Reagan-National flights
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Reno to Reagan-National flights
Santa Barbara to Dulles Intl flights
Reno to Baltimore flights
Palm Springs to Reagan-National flights
Santa Barbara to Reagan-National flights
San Luis Obispo to Dulles Intl flights
Long Beach to Reagan-National flights
Bakersfield to Dulles Intl flights
Palm Springs to Baltimore flights
San Luis Obispo to Reagan-National flights
Long Beach to Baltimore flights
Monterey to Dulles Intl flights
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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$110Average$245FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$276FlexibilityNo cancel feeOn-time62%
DeltaCheapest$183Average$411FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$193Average$323FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$206Average$384FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$227Average$469FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$286Average$471FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$297Average$529FlexibilityNo cancel feeOn-time63%

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