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Dulles Intl

$100+ 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
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 March 11, 2026.

This United Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 4/189:45 pm
SAN
-
IAD
Nonstop4h 59m
United Airlines
Wed 4/225:55 pm
IAD
-
SAN
Nonstop5h 51m
United Airlines
Deal found 3/8$237
This Delta deal was found by Cheapflights users on 3/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:54 pm
PSP
-
IAD
1 stop6h 38m
Delta
Wed 4/227:00 am
IAD
-
PSP
1 stop9h 58m
Delta
Deal found 3/7$239
This Expedia deal was found by Cheapflights users on 3/6. 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.
Thu 4/167:52 am
SAN
-
IAD
1 stop7h 20m
Multiple Airlines
Wed 4/226:56 pm
IAD
-
SAN
Nonstop5h 44m
Multiple Airlines
Deal found 3/6$239
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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.
Fri 5/18:35 pm
SAN
-
IAD
1 stop24h 34m
Alaska Airlines
Tue 5/56:47 pm
IAD
-
SAN
Nonstop5h 44m
Alaska Airlines
Deal found 3/9$242
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Tue 4/2812:59 am
ONT
-
IAD
2 stops20h 37m
Frontier
Mon 5/45:58 pm
IAD
-
ONT
1 stop29h 41m
Frontier
Deal found 3/6$242
This Delta deal was found by Cheapflights users on 3/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/171:54 pm
PSP
-
IAD
1 stop6h 38m
Delta
Sat 4/256:00 am
IAD
-
PSP
2 stops13h 31m
Delta
Deal found 3/7$244
This Priceline deal was found by Cheapflights users on 3/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:55 am
SAN
-
IAD
1 stop8h 24m
Frontier
Sun 5/177:04 pm
IAD
-
SAN
1 stop8h 07m
Frontier
Deal found 3/7$245
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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.
Thu 4/238:35 pm
SAN
-
IAD
1 stop24h 34m
Alaska Airlines
Thu 4/307:10 am
IAD
-
SAN
1 stop15h 29m
Alaska Airlines
Deal found 3/9$247
This Delta deal was found by Cheapflights users on 3/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:53 am
ONT
-
IAD
1 stop9h 02m
Delta
Tue 4/217:00 am
IAD
-
ONT
1 stop9h 39m
Delta
Deal found 3/7$247
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Thu 4/166:19 pm
PSP
-
IAD
1 stop8h 21m
American Airlines
Sun 4/197:00 am
IAD
-
PSP
1 stop9h 44m
American Airlines
Deal found 3/9$249
This Expedia deal was found by Cheapflights users on 3/6. 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 5/14:49 pm
SAN
-
IAD
1 stop10h 01m
Multiple Airlines
Sun 5/35:56 pm
IAD
-
SAN
1 stop9h 02m
Multiple Airlines
Deal found 3/6$249
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:32 am
SFO
-
IAD
1 stop10h 23m
Delta
Tue 5/56:00 am
IAD
-
SFO
2 stops11h 05m
Delta
Deal found 3/8$250

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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(United Airlines)

One-way from

$100
(Frontier)

Popular in

December

Cheapest in

August

Average price

$443

Good round-trip deal

$356 or less

Good one-way deal

$209 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. 13% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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.
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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 March 11, 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

OntarioWashington, D.C.

ONT - IAD

ONTIAD

Ontario

Sat 5/2

11:53 am-11:55 pm

1 stop9h 02m

Washington, D.C. Dulles Intl

Wed 5/6

7:00 am-1:39 pm

1 stop9h 39m

$247

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Sat 4/18

1:00 pm-10:55 pm

1 stop6h 55m

Washington, D.C. Dulles Intl

Sat 4/25

3:55 pm-8:10 pm

1 stop7h 15m

$257

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Tue 5/5

10:51 am-12:09 am

1 stop10h 18m

Washington, D.C. Dulles Intl

Wed 5/6

9:00 am-3:53 pm

1 stop9h 53m

$257

Palm SpringsWashington, D.C.

PSP - IAD

PSPIAD

Palm Springs

Thu 5/28

3:05 pm-12:20 am

1 stop6h 15m

Washington, D.C. Dulles Intl

Tue 6/2

6:20 am-10:15 am

1 stop6h 55m

$269

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Wed 5/6

2:43 pm-5:50 am

1 stop12h 07m

Washington, D.C. Dulles Intl

Wed 5/13

6:00 am-2:34 pm

1 stop11h 34m

$277

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Thu 5/21

10:59 am-12:15 am

1 stop10h 16m

Washington, D.C. Dulles Intl

Sat 5/23

5:30 pm-11:10 pm

1 stop8h 40m

$280

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Wed 5/6

10:45 am-11:40 pm

2 stops9h 55m

Washington, D.C. Dulles Intl

Wed 5/13

5:30 pm-10:00 pm

1 stop7h 30m

$282

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Sat 5/30

1:20 pm-10:55 pm

1 stop6h 35m

Washington, D.C. Dulles Intl

Wed 6/3

6:20 am-4:15 pm

2 stops12h 55m

$282

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Wed 4/8

2:05 pm-11:40 pm

1 stop6h 35m

Washington, D.C. Dulles Intl

Sun 4/12

5:50 am-2:40 pm

1 stop11h 50m

$282

OaklandWashington, D.C.

OAK - IAD

OAKIAD

Oakland

Tue 4/28

6:20 am-12:09 am

1 stop14h 49m

Washington, D.C. Dulles Intl

Wed 4/29

7:10 am-10:32 pm

1 stop18h 22m

$285

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

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

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 March 11, 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 21% 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 February 21, 2026.

Travelers seeking maximum savings on their California to Washington, D.C. Dulles Intl Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday 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 March 11, 2026.

The most flights from USCA to IAD are scheduled on a Monday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

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?

    Delta, Southwest, and Alaska Airlines can get you from California to Washington, D.C. Dulles Intl Airport in just under 6h 55m. Your travel time can differ by up to 3h 23m. 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 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 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: Egyptair (96%), Air China (91%), Asiana Airlines( 89%).

  • 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 $1,075, 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 $239 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
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Linthicum Heights
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park

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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 Reagan-National flights
Dallas/Fort Worth to Baltimore flights
Los Angeles to Dulles Intl flights
Los Angeles to Reagan-National flights
Boston to Reagan-National flights
Atlanta to Dulles Intl flights
Los Angeles to Baltimore flights
Boston to Baltimore flights
Atlanta to Baltimore flights
San Francisco to Reagan-National flights
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Boston to Dulles Intl flights
Seattle to Dulles Intl flights
O'Hare Intl to Reagan-National flights
O'Hare Intl to Baltimore flights
Seattle to Reagan-National flights
Hobby to Baltimore flights
Denver to Baltimore flights
Orlando to Dulles Intl flights
Minneapolis to Reagan-National flights
Hobby to Dulles Intl flights
San Francisco to Baltimore flights
Orlando to Reagan-National flights
Fort Lauderdale to Dulles Intl flights
Hobby to Reagan-National flights
Minneapolis to Dulles Intl flights
Orlando to Baltimore flights
Fort Lauderdale to Baltimore flights
Tampa to Baltimore flights
Atlanta to Reagan-National flights
Miami to Reagan-National flights
O'Hare Intl to Dulles Intl flights
Tampa to Dulles Intl flights
George Bush Intcntl to Dulles Intl flights
Seattle to Baltimore flights
Denver to Dulles Intl flights
Miami to Dulles Intl flights
Denver to Reagan-National flights
San Diego to Dulles Intl flights
George Bush Intcntl to Reagan-National flights
Detroit to Baltimore flights
Detroit to Dulles Intl flights
Austin to Dulles Intl flights
Tampa to Reagan-National flights
Minneapolis to Baltimore flights
Sky Harbor Intl to Dulles Intl flights
Midway to Baltimore flights
Miami to Baltimore flights
Charlotte to Baltimore 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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$50Average$175FlexibilityNo cancel feeOn-time65%
FrontierCheapest$102Average$281FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$113Average$359FlexibilityNo cancel feeOn-time85%
DeltaCheapest$138Average$398FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$172Average$423FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$216Average$361FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$216Average$426FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$218Average$437FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$394Average$425FlexibilityNo cancel feeOn-time62%

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