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Dulles Intl

$86+ Cheap flights from California 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
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Cheap flight deals from California to Dulles Intl

Cheapest flights from California to Dulles Intl
Explore the most affordable flight options available from California to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 23, 2026.

This Frontier deal was found by Cheapflights users on 4/20. 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.
Sat 5/233:30 pm
ONT
-
IAD
1 stop13h 42m
Frontier
Tue 5/269:12 am
IAD
-
ONT
1 stop9h 32m
Frontier
Deal found 4/20$160
This CheapOair deal was found by Cheapflights users on 4/20. 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.
Thu 5/218:31 am
BUR
-
IAD
1 stop20h 41m
Frontier
Sun 5/249:12 am
IAD
-
BUR
1 stop25h 34m
Frontier
Deal found 4/20$160
This Booking.com deal was found by Cheapflights users on 4/20. 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.
Sat 5/233:30 pm
ONT
-
IAD
1 stop13h 42m
Frontier
Mon 5/259:12 am
IAD
-
ONT
1 stop25h 52m
Frontier
Deal found 4/20$162
This Frontier deal was found by Cheapflights users on 4/20. 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.
Sat 5/233:30 pm
ONT
-
IAD
1 stop13h 42m
Frontier
Wed 6/39:12 am
IAD
-
ONT
1 stop9h 32m
Frontier
Deal found 4/20$185
This Frontier deal was found by Cheapflights users on 4/20. 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.
Sat 5/233:30 pm
ONT
-
IAD
1 stop13h 42m
Frontier
Fri 5/291:31 pm
IAD
-
ONT
1 stop8h 40m
Frontier
Deal found 4/20$190
This CheapOair deal was found by Cheapflights users on 4/20. 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 5/204:39 pm
ONT
-
IAD
1 stop12h 33m
Frontier
Wed 5/279:12 am
IAD
-
ONT
1 stop25h 52m
Frontier
Deal found 4/20$205
This Frontier deal was found by Cheapflights users on 4/20. 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.
Sat 5/233:30 pm
ONT
-
IAD
1 stop13h 42m
Frontier
Wed 5/279:12 am
IAD
-
ONT
1 stop9h 32m
Frontier
Deal found 4/20$206
This Frontier deal was found by Cheapflights users on 4/20. 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.
Wed 5/274:39 pm
ONT
-
IAD
1 stop12h 33m
Frontier
Wed 6/39:12 am
IAD
-
ONT
1 stop9h 32m
Frontier
Deal found 4/20$210
This Frontier deal was found by Cheapflights users on 4/19. 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 6/24:39 pm
ONT
-
IAD
1 stop12h 33m
Frontier
Tue 6/99:55 am
IAD
-
ONT
1 stop12h 56m
Frontier
Deal found 4/19$213
This Expedia deal was found by Cheapflights users on 4/18. 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.
Fri 5/298:10 pm
SNA
-
IAD
1 stop9h 02m
Frontier
Sat 7/119:20 am
IAD
-
SNA
1 stop29h 40m
Frontier
Deal found 4/18$235
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/272:10 pm
SNA
-
IAD
1 stop7h 49m
United Airlines
Sat 5/306:30 am
IAD
-
SNA
1 stop8h 20m
United Airlines
Deal found 4/21$241
This CheapOair deal was found by Cheapflights users on 4/21. 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.
Fri 6/268:48 am
BUR
-
IAD
1 stop20h 37m
Frontier
Wed 7/19:55 am
IAD
-
BUR
1 stop25h 08m
Frontier
Deal found 4/21$244

Find flight deals from California to Dulles Intl

Keep the following information in mind while searching for California to Dulles Intl flight deals. Data was last updated April 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$160
(Frontier)

One-way from

$86
(Frontier)

Popular in

March

Cheapest in

August

Average price

$407

Good round-trip deal

$342 or less

Good one-way deal

$199 or less
Provider with most accurate pricing for Los Angeles Los Angeles-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles Los Angeles-Washington, D.C. (WAS) flights.
Search Deals
From California to Washington, D.C. Dulles Intl
Search Deals
One-way flight from California to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from California to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from California to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from California 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 23, 2026.
Use the filters below to find and compare flights from California to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BurbankWashington, D.C.

BUR - IAD

BURIAD

Burbank Bob Hope

Wed 5/27

1:45 pm-12:55 am

1 stop8h 10m

Washington, D.C. Dulles Intl

Fri 5/29

9:45 am-3:17 pm

1 stop8h 32m

$252

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Thu 5/28

7:30 am-6:53 pm

1 stop8h 23m

Washington, D.C. Dulles Intl

Tue 6/2

11:15 am-6:01 pm

1 stop9h 46m

$261

Santa AnaWashington, D.C.

SNA - IAD

SNAIAD

Santa Ana J. Wayne/Orange Cnty

Thu 8/13

2:00 pm-12:10 am

1 stop7h 10m

Washington, D.C. Dulles Intl

Mon 8/17

5:30 pm-10:14 pm

1 stop7h 44m

$263

Santa AnaWashington, D.C.

SNA - IAD

SNAIAD

Santa Ana J. Wayne/Orange Cnty

Wed 7/8

2:10 pm-12:45 am

1 stop7h 35m

Washington, D.C. Dulles Intl

Tue 7/14

6:30 am-12:03 pm

1 stop8h 33m

$263

Santa AnaWashington, D.C.

SNA - IAD

SNAIAD

Santa Ana J. Wayne/Orange Cnty

Mon 8/31

7:00 pm-5:25 am

1 stop7h 25m

Washington, D.C. Dulles Intl

Thu 9/3

6:30 am-12:06 pm

1 stop8h 36m

$271

BurbankWashington, D.C.

BUR - IAD

BURIAD

Burbank Bob Hope

Fri 5/29

1:52 pm-12:51 am

1 stop7h 59m

Washington, D.C. Dulles Intl

Mon 6/1

6:08 am-12:57 pm

1 stop9h 49m

$277

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Wed 7/1

11:30 pm-7:33 am

Nonstop5h 03m

Washington, D.C. Dulles Intl

Tue 7/7

8:18 pm-10:55 pm

Nonstop5h 37m

$294

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Tue 6/2

11:18 am-11:59 pm

1 stop9h 41m

Washington, D.C. Dulles Intl

Tue 6/9

7:37 pm-10:20 pm

Nonstop5h 43m

$307

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Wed 5/27

2:05 pm-11:40 pm

1 stop6h 35m

Washington, D.C. Dulles Intl

Sat 5/30

5:50 am-12:10 pm

2 stops9h 20m

$319

Santa AnaWashington, D.C.

SNA - IAD

SNAIAD

Santa Ana J. Wayne/Orange Cnty

Wed 5/20

6:27 pm-5:28 am

1 stop8h 01m

Washington, D.C. Dulles Intl

Tue 5/26

5:43 pm-10:32 pm

1 stop7h 49m

$320

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/18

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from California to Dulles Intl

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

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

To ensure you get the cheapest price possible for a flight from California 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 California to Washington, D.C. Dulles Intl Airport?

Currently, May is the cheapest month in which you can book a flight from California to Washington, D.C. Dulles Intl Airport (average of $334). Flying from California to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $964). 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 CA to IAD?

Find hourly flight availability from California 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 23, 2026.

When flying from California to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 24% versus a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from California to Dulles Intl. Price data was last updated on April 18, 2026.

Travelers seeking maximum savings on their California 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 California to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from California 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 23, 2026.

The most flights from USCA to IAD are scheduled on a Thursday (31 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 on average).

How much does it cost to fly round-trip from California to Washington, D.C. Dulles Intl Airport?

Related info for your journey

Find useful and relevant information for your journey from California to Dulles Intl. 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 California to Washington, D.C. Dulles Intl Airport?

    United Airlines, Delta, and Alaska Airlines can get you from California to Washington, D.C. Dulles Intl Airport in just under 8h 10m. Your travel time can differ by up to 1h 31m. There are 2273 mi between California and Washington, D.C. Dulles Intl Airport. This flight may include one or multiple stops.

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

    $48 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and American Airlines, with prices starting from $71 and $86, respectively.

  • What are the most popular routes from California to Washington, D.C. Dulles Intl Airport?

    Most travelers choose Los Angeles Los Angeles - Washington, D.C. Dulles Intl, San Francisco - Washington, D.C. Dulles Intl or Ontario - Washington, D.C. Dulles Intl when deciding on the best route from California to Washington, D.C. Dulles Intl Airport.

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

    Before booking your flight to Washington, D.C. Dulles Intl Airport from California, check out the most reliable airlines to get you to your destination on time: Air China (87%), Air New Zealand (85%), Virgin Australia( 84%).

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

    While on average a flight from California to Washington, D.C. Dulles Intl Airport is generally $1,063, our data shows the cheapest flight currently is $138. When looking at the most popular route, (Los Angeles Los Angeles - Washington, D.C. Dulles Intl), you can expect to pay $217 for that flight.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from California to Washington, D.C. Dulles Intl Airport (average of $334). Flying from California to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $964). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Owings Mills
Springfield
Arlington
Woodbridge
Silver Spring
Herndon
Rockville
Hyattsville
Fredericksburg
Hanover
Laurel
Manassas
Largo
Upper Marlboro
Waldorf
Bowie
Clinton
Hunt Valley

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for California to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Dulles Intl flights
Dallas/Fort Worth to Baltimore flights
Los Angeles to Reagan-National flights
Los Angeles to Baltimore flights
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Dallas/Fort Worth to Reagan-National flights
Atlanta to Dulles Intl flights
Seattle to Dulles Intl flights
Atlanta to Baltimore flights
O'Hare Intl to Baltimore flights
Seattle to Reagan-National flights
San Francisco to Dulles Intl flights
Boston to Dulles Intl flights
O'Hare Intl to Dulles Intl flights
Hobby to Reagan-National flights
San Francisco to Reagan-National flights
O'Hare Intl to Reagan-National flights
Boston to Reagan-National flights
Atlanta to Reagan-National flights
Boston to Baltimore flights
Orlando to Dulles Intl flights
San Francisco to Baltimore flights
Denver to Dulles Intl flights
Hobby to Dulles Intl flights
Miami to Reagan-National flights
Tampa to Dulles Intl flights
Minneapolis to Reagan-National flights
Seattle to Baltimore flights
Hobby to Baltimore flights
Denver to Baltimore flights
Fort Lauderdale to Baltimore flights
George Bush Intcntl to Dulles Intl flights
Detroit to Dulles Intl flights
George Bush Intcntl to Reagan-National flights
Tampa to Baltimore flights
Austin to Dulles Intl flights
Sky Harbor Intl to Dulles Intl flights
Orlando to Reagan-National flights
Orlando to Baltimore flights
Miami to Dulles Intl flights
John F Kennedy Intl to Dulles Intl flights
Ontario to Dulles Intl flights
San Diego to Dulles Intl flights
Austin to Baltimore flights
Miami to Baltimore flights
Minneapolis to Dulles Intl flights
Austin to Reagan-National flights
Detroit to Baltimore flights
Minneapolis to Baltimore flights
Denver to Reagan-National flights

Top 9 airlines flying from California to Dulles Intl

Discover the top 9 airlines that operate flights from California 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 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$50Average$175FlexibilityNo cancel feeOn-time65%
FrontierCheapest$102Average$280FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$113Average$375FlexibilityNo cancel feeOn-time85%
DeltaCheapest$128Average$399FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$172Average$426FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$196Average$413FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$213Average$461FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$227Average$382FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$394Average$425FlexibilityNo cancel feeOn-time62%

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