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Dulles Intl

$81+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This Frontier deal was found by Cheapflights users on 12/16. 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 12/1710:57 pmLAS - IAD
1 stop9h 41mFrontier
Mon 1/59:58 pmIAD - LAS
1 stop14h 45mFrontier
Deal found 12/16$253
This Frontier deal was found by Cheapflights users on 12/16. 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 12/1710:57 pmLAS - IAD
1 stop9h 41mFrontier
Tue 1/66:00 amIAD - LAS
1 stop13h 57mFrontier
Deal found 12/16$254
This Frontier deal was found by Cheapflights users on 12/16. 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 12/2410:45 pmLAX - IAD
1 stop9h 53mFrontier
Wed 1/76:00 amIAD - LAX
1 stop11h 19mFrontier
Deal found 12/16$254
This Cheapflightsfares deal was found by Cheapflights users on 12/17. 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 12/256:05 amLAS - IAD
1 stop9h 11mFrontier
Thu 1/15:35 amIAD - LAS
1 stop13h 23mFrontier
Deal found 12/17$257
This Frontier deal was found by Cheapflights users on 12/16. 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.
Fri 12/196:05 amLAS - IAD
1 stop9h 11mFrontier
Wed 1/76:00 amIAD - LAS
1 stop13h 57mFrontier
Deal found 12/16$267
This Frontier deal was found by Cheapflights users on 12/16. 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.
Fri 12/196:05 amLAS - IAD
1 stop9h 11mFrontier
Tue 1/66:00 amIAD - LAS
1 stop13h 57mFrontier
Deal found 12/16$268
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.
Wed 12/3110:45 pmLAX - IAD
1 stop9h 53mFrontier
Sun 1/118:35 amIAD - LAX
2 stops34h 19mFrontier
Deal found 12/14$273
This Frontier deal was found by Cheapflights users on 12/16. 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.
Mon 12/2910:45 pmLAX - IAD
1 stop9h 53mFrontier
Wed 1/76:00 amIAD - LAX
1 stop11h 19mFrontier
Deal found 12/16$274
This Frontier deal was found by Cheapflights users on 12/17. 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 12/316:05 amLAS - IAD
1 stop8h 42mFrontier
Mon 1/59:58 pmIAD - LAS
1 stop14h 45mFrontier
Deal found 12/17$282
This Frontier deal was found by Cheapflights users on 12/16. 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 12/2410:45 pmLAX - IAD
1 stop9h 53mFrontier
Sat 1/106:00 amIAD - LAX
1 stop10h 05mFrontier
Deal found 12/16$284
This Frontier deal was found by Cheapflights users on 12/16. 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 12/2410:45 pmLAX - IAD
1 stop9h 53mFrontier
Fri 1/96:00 amIAD - LAX
1 stop11h 05mFrontier
Deal found 12/16$288
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:59 pmLAX - IAD
1 stop18h 04mFrontier
Mon 1/56:05 amIAD - LAX
1 stop10h 58mFrontier
Deal found 12/15$291

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 December 18, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$210
(Kiwi.com)

One-way from

$81
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$477

Good round-trip deal

$316 or less

Good one-way deal

$207 or less
Provider with most accurate pricing for Los Angeles-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for 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. 13% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 18, 2025.
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

California

Fly to

Dulles Intl

Route

Depart

Return

Price

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Thu 2/26

9:28 am-5:27 pm

Nonstop4h 59m

Washington, D.C. Dulles Intl

Mon 3/2

6:20 pm-9:19 pm

Nonstop5h 59m

$257

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Fri 1/9

10:00 pm-5:49 am

Nonstop4h 49m

Washington, D.C. Dulles Intl

Mon 1/12

9:00 am-11:45 am

Nonstop5h 45m

$257

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Sat 2/14

6:25 am-4:28 pm

1 stop7h 03m

Washington, D.C. Dulles Intl

Tue 2/24

7:30 am-2:29 pm

1 stop9h 59m

$257

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 3/4

5:45 am-4:50 pm

1 stop8h 05m

Washington, D.C. Dulles Intl

Tue 3/10

4:45 pm-9:15 pm

1 stop7h 30m

$257

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Thu 2/12

9:28 am-5:27 pm

Nonstop4h 59m

Washington, D.C. Dulles Intl

Mon 2/16

6:20 pm-9:19 pm

Nonstop5h 59m

$257

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 1/23

8:40 am-4:22 pm

Nonstop4h 42m

Washington, D.C. Dulles Intl

Sun 1/25

8:25 am-11:25 am

Nonstop6h 00m

$257

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Fri 1/16

9:10 am-5:04 pm

Nonstop4h 54m

Washington, D.C. Dulles Intl

Sun 1/18

5:26 pm-8:23 pm

Nonstop5h 57m

$257

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 1/9

9:30 pm-5:24 am

Nonstop4h 54m

Washington, D.C. Dulles Intl

Mon 1/12

10:05 pm-12:59 am

Nonstop5h 54m

$257

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Fri 1/16

6:25 am-5:00 pm

1 stop7h 35m

Washington, D.C. Dulles Intl

Wed 1/21

9:05 am-5:15 pm

2 stops11h 10m

$262

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 1/14

7:50 am-9:55 pm

2 stops11h 05m

Washington, D.C. Dulles Intl

Sat 1/17

7:00 am-2:00 pm

1 stop10h 00m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 60 results
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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

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 $118). Flying from California to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $237). 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 December 18, 2025.

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 15% versus a flight in the morning.

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 December 16, 2024.

Travelers seeking maximum savings on their California to Washington, D.C. Dulles Intl Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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?

    Alaska Airlines, United Airlines, and Delta can get you from California to Washington, D.C. Dulles Intl Airport in just under 4h 49m. Your travel time can differ by up to 2h 14m. There are 2248 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 Breeze Airways, with prices starting from $71 and $78, respectively.

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

    Most travelers choose Los Angeles - Washington, D.C. Dulles Intl, San Francisco - Washington, D.C. Dulles Intl or San Diego - 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: Asiana Airlines (93%), Egyptair (92%), Ethiopian Air( 90%).

  • 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 $1,061, our data shows the cheapest flight currently is $144. When looking at the most popular route, (Los Angeles - Washington, D.C. Dulles Intl), you can expect to pay $208 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 $118). Flying from California to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $237). 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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

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 Baltimore flights
Los Angeles to Reagan-National flights
Dallas/Fort Worth to Dulles Intl flights
Atlanta to Baltimore flights
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Boston to Baltimore flights
Atlanta to Dulles Intl flights
Dallas/Fort Worth to Reagan-National flights
Atlanta to Reagan-National flights
O'Hare Intl to Reagan-National flights
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Boston to Reagan-National flights
Seattle to Reagan-National flights
San Francisco to Reagan-National flights
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Seattle to Dulles Intl flights
O'Hare Intl to Baltimore flights
Denver to Baltimore flights
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Hobby to Baltimore flights
San Francisco to Baltimore flights
LaGuardia to Reagan-National flights
Hobby to Reagan-National flights
John F Kennedy Intl to Reagan-National flights
Tampa to Baltimore flights
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Orlando to Reagan-National flights
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Miami to Baltimore flights
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John F Kennedy Intl to Dulles Intl flights
Miami to Dulles Intl flights
Denver to Reagan-National flights
O'Hare Intl to Dulles Intl flights
Detroit to Reagan-National flights
George Bush Intcntl to Reagan-National flights
Detroit to Baltimore flights
George Bush Intcntl to Baltimore flights
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Tampa to Reagan-National flights
Charlotte to Baltimore flights
Fort Lauderdale to Baltimore flights
Detroit to Dulles Intl flights
Charlotte to Dulles Intl flights
Miami to Reagan-National flights

Top 8 airlines flying from California to Dulles Intl

Discover the top 8 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$72Average$233FlexibilityNo cancel feeOn-time65%
FrontierCheapest$127Average$282FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$138Average$384FlexibilityNo cancel feeOn-time85%
DeltaCheapest$168Average$393FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$172Average$436FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$227Average$360FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$227Average$436FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$246Average$434FlexibilityNo cancel feeOn-time63%

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