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Dulles Intl

$83+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
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 July 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/2512:13 pm
OAK
-
IAD
1 stop16h 51m
Frontier
Tue 9/18:59 am
IAD
-
OAK
1 stop29h 19m
Frontier
Deal found 7/22$147
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/119:42 pm
LAS
-
IAD
1 stop9h 34m
Frontier
Wed 8/198:59 am
IAD
-
LAS
Nonstop4h 55m
Frontier
Deal found 7/23$184
This Frontier deal was found by Cheapflights users on 7/23. 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 8/1012:46 am
LAS
-
IAD
Nonstop4h 34m
Frontier
Sat 8/228:59 am
IAD
-
LAS
Nonstop4h 55m
Frontier
Deal found 7/23$185
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/119:42 pm
LAS
-
IAD
1 stop9h 34m
Frontier
Mon 8/179:50 am
IAD
-
LAS
Nonstop4h 55m
Frontier
Deal found 7/23$189
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/312:30 am
LAS
-
IAD
Nonstop4h 34m
Frontier
Mon 9/710:45 am
IAD
-
LAS
1 stop28h 03m
Frontier
Deal found 7/22$190
This Cheapflightsfares deal was found by Cheapflights users on 7/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:46 am
LAS
-
IAD
Nonstop4h 34m
Frontier
Tue 8/189:13 am
IAD
-
LAS
Nonstop4h 55m
Frontier
Deal found 7/21$191
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:35 pm
BUR
-
IAD
1 stop11h 29m
Frontier
Tue 9/18:59 am
IAD
-
BUR
1 stop10h 51m
Frontier
Deal found 7/21$191
This Frontier deal was found by Cheapflights users on 7/22. 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 8/1112:46 am
LAS
-
IAD
Nonstop4h 34m
Frontier
Thu 8/278:59 am
IAD
-
LAS
Nonstop4h 55m
Frontier
Deal found 7/22$193
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Sat 8/229:41 pm
LAS
-
IAD
2 stops16h 33m
Frontier
Sat 8/298:59 am
IAD
-
LAS
Nonstop4h 55m
Frontier
Deal found 7/22$194
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:35 pm
BUR
-
IAD
1 stop11h 29m
Frontier
Mon 8/318:59 am
IAD
-
BUR
1 stop10h 51m
Frontier
Deal found 7/21$194
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:41 pm
LAS
-
IAD
1 stop9h 26m
Frontier
Mon 8/318:59 am
IAD
-
LAS
Nonstop4h 55m
Frontier
Deal found 7/21$195
This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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.
Tue 8/1112:46 am
LAS
-
IAD
Nonstop4h 34m
Frontier
Sat 8/159:30 am
IAD
-
LAS
Nonstop4h 55m
Frontier
Deal found 7/23$196

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 July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$147
(Kiwi.com)

One-way from

$83
(Trip.com)

Popular in

March

Cheapest in

September

Average price

$455

Good round-trip deal

$408 or less

Good one-way deal

$251 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. 3% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 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

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Fri 8/28

11:55 pm-9:28 am

1 stop6h 33m

Washington, D.C. Dulles Intl

Tue 9/1

12:55 pm-2:59 pm

Nonstop5h 04m

$219

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Mon 8/10

11:30 pm-9:28 am

1 stop6h 58m

Washington, D.C. Dulles Intl

Wed 8/26

6:00 pm-8:08 pm

Nonstop5h 08m

$229

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Mon 11/9

11:55 pm-7:16 am

Nonstop4h 21m

Washington, D.C. Dulles Intl

Fri 11/13

8:15 am-11:56 am

1 stop6h 41m

$249

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Thu 8/13

7:05 am-4:42 pm

1 stop6h 37m

Washington, D.C. Dulles Intl

Mon 8/17

5:25 pm-9:59 pm

1 stop7h 34m

$257

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Thu 8/20

2:48 pm-12:34 am

1 stop6h 46m

Washington, D.C. Dulles Intl

Sun 8/23

7:00 am-12:06 pm

1 stop8h 06m

$257

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Thu 8/13

5:50 am-4:38 pm

1 stop7h 48m

Washington, D.C. Dulles Intl

Wed 8/19

6:10 am-10:14 am

1 stop7h 04m

$257

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Wed 8/5

11:45 pm-9:20 am

1 stop6h 35m

Washington, D.C. Dulles Intl

Mon 8/10

7:19 pm-12:40 am

1 stop8h 21m

$258

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Tue 8/4

10:31 am-8:05 pm

1 stop6h 34m

Washington, D.C. Dulles Intl

Tue 8/11

5:47 pm-11:10 pm

1 stop8h 23m

$258

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Thu 8/27

5:50 am-4:38 pm

1 stop7h 48m

Washington, D.C. Dulles Intl

Wed 9/2

3:03 pm-7:46 pm

1 stop7h 43m

$258

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Thu 8/6

6:00 am-6:28 pm

1 stop9h 28m

Washington, D.C. Dulles Intl

Thu 8/13

7:19 pm-12:40 am

1 stop8h 21m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

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, October is the cheapest month in which you can book a flight from California to Washington, D.C. Dulles Intl Airport (average of $391). Flying from California to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $515). 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 July 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 28% versus a flight in the morning.

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 July 23, 2026.

The most flights from USCA to IAD are scheduled on a Monday (30 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?

Airfare is below average for this route at the moment.
California to Washington, D.C. Dulles Intl Airport flights typically cost between $319 and $560 in August.
The cheapest round-trip price found within the last 5 days was $288 on Frontier (Aug 11-Aug 13).

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 57 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 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 July 18, 2026.

Travelers seeking maximum savings on their California to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday evenings 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.

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?

    Frontier, United Airlines, and Delta can get you from California to Washington, D.C. Dulles Intl Airport in just under 6h 58m. Your travel time can differ by up to 4h 31m. There are 2059 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?

    $86 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and Breeze Airways, with prices starting from $87 and $95, 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 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: ITA Airways (96%), Egyptair (96%), Air China( 95%).

  • 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 $1,626, our data shows the cheapest flight currently is $169. When looking at the most popular route, (Los Angeles - Washington, D.C. Dulles Intl), you can expect to pay $222 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, October is the cheapest month in which you can book a flight from California to Washington, D.C. Dulles Intl Airport (average of $391). Flying from California to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $515). 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
Arlington
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Manassas
Laurel
Sterling
Clinton
Hunt Valley
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 Dulles Intl flights
Dallas/Fort Worth to Baltimore flights
Los Angeles to Reagan-National flights
Boston to Reagan-National flights
Los Angeles to Baltimore flights
O'Hare Intl to Baltimore flights
Hobby to Baltimore flights
Dallas/Fort Worth to Reagan-National flights
Los Angeles to Dulles Intl flights
Boston to Baltimore flights
San Francisco to Dulles Intl flights
O'Hare Intl to Reagan-National flights
Atlanta to Baltimore flights
Seattle to Reagan-National flights
Atlanta to Dulles Intl flights
San Francisco to Reagan-National flights
O'Hare Intl to Dulles Intl flights
Seattle to Dulles Intl flights
Tampa to Dulles Intl flights
Orlando to Dulles Intl flights
Atlanta to Reagan-National flights
Boston to Dulles Intl flights
Tampa to Baltimore flights
Fort Lauderdale to Baltimore flights
Hobby to Reagan-National flights
San Francisco to Baltimore flights
Minneapolis to Reagan-National flights
Denver to Dulles Intl flights
Orlando to Reagan-National flights
Tampa to Reagan-National flights
George Bush Intcntl to Baltimore flights
Hobby to Dulles Intl flights
Minneapolis to Baltimore flights
Denver to Baltimore flights
Orlando to Baltimore flights
Miami to Reagan-National flights
Minneapolis to Dulles Intl flights
Detroit to Baltimore flights
Ontario to Dulles Intl flights
Charlotte to Baltimore flights
Miami to Dulles Intl flights
Fort Lauderdale to Dulles Intl flights
Seattle to Baltimore flights
George Bush Intcntl to Reagan-National flights
John F Kennedy Intl to Dulles Intl flights
Austin to Dulles Intl flights
George Bush Intcntl to Dulles Intl flights
Ontario to Baltimore flights
Miami to Baltimore flights
Ontario 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 July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$128Average$440FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$129Average$293FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$138Average$413FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$196Average$415FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$237Average$412FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$237Average$484FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$237Average$521FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$271Average$425FlexibilityNo cancel feeOn-time62%

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