Dulles Intl

$76+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
Oct 11 — Oct 181
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Cheap 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 September 11, 2025.

Round-trip from

$153
(Kiwi.com)

One-way from

$76
(Breeze Airways)

Popular in

December

Cheapest in

September

Average price

$317

Good round-trip deal

$298 or less

Good one-way deal

$188 or less
From California to Washington, D.C. Dulles Intl
One-way flight from California to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 9% potential increase in price ($39 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from California to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from California to Washington, D.C. Dulles Intl.

Find 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/37:00 amLAS - IAD
1 stop13h 39mFrontier
Sun 10/510:17 amIAD - LAS
1 stop14h 24mFrontier
Deal found 9/10$153
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/111:09 pmLAS - IAD
1 stop8h 10mFrontier
Tue 12/168:00 amIAD - LAS
1 stop31h 04mFrontier
Deal found 9/9$154
This Priceline deal was found by Cheapflights users on 9/11. 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.
Thu 10/169:05 pmLAS - IAD
1 stop9h 04mFrontier
Mon 10/204:45 pmIAD - LAS
1 stop8h 03mFrontier
Deal found 9/11$160
This Booking.com deal was found by Cheapflights users on 9/11. 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.
Fri 10/312:55 amLAS - IAD
1 stop8h 07mFrontier
Mon 10/61:55 pmIAD - LAS
1 stop10h 28mFrontier
Deal found 9/11$162
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/511:50 pmLAS - IAD
Nonstop4h 19mUnited Airlines
Tue 11/119:00 amIAD - LAS
Nonstop5h 25mUnited Airlines
Deal found 9/10$163
This CheapOair deal was found by Cheapflights users on 9/11. 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 10/211:00 pmLAS - IAD
1 stop10h 55mFrontier
Mon 10/66:10 amIAD - LAS
1 stop13h 31mFrontier
Deal found 9/11$165
This CheapOair deal was found by Cheapflights users on 9/10. 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 9/2411:04 pmLAS - IAD
1 stop16h 20mFrontier
Sat 9/271:02 pmIAD - LAS
1 stop13h 48mFrontier
Deal found 9/10$166
This Booking.com deal was found by Cheapflights users on 9/10. 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.
Fri 10/179:05 pmLAS - IAD
1 stop11h 54mFrontier
Sun 10/198:02 pmIAD - LAS
1 stop16h 33mFrontier
Deal found 9/10$167
This CheapOair deal was found by Cheapflights users on 9/10. 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 10/1010:16 pmLAS - IAD
1 stop19h 37mFrontier
Mon 10/204:45 pmIAD - LAS
1 stop8h 03mFrontier
Deal found 9/10$170
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/169:05 pmLAS - IAD
1 stop9h 04mFrontier
Sun 10/198:02 pmIAD - LAS
1 stop31h 52mFrontier
Deal found 9/10$171
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/82:27 pmLAX - IAD
1 stop25h 40mFrontier
Sat 10/119:38 pmIAD - LAX
1 stop13h 50mFrontier
Deal found 9/8$173
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:41 pmLAX - IAD
1 stop11h 36mMultiple Airlines
Mon 10/67:14 pmIAD - LAX
1 stop16h 14mMultiple Airlines
Deal found 9/9$176

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 September 11, 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

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Wed 10/29

11:50 pm-7:09 am

Nonstop4h 19m

Washington, D.C. Dulles Intl

Sun 11/2

7:41 pm-10:00 pm

Nonstop5h 19m

$179

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Tue 11/4

11:50 pm-7:09 am

Nonstop4h 19m

Washington, D.C. Dulles Intl

Mon 11/10

9:00 am-11:25 am

Nonstop5h 25m

$179

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Thu 12/11

7:04 pm-6:51 am

1 stop8h 47m

Washington, D.C. Dulles Intl

Sat 12/13

8:21 am-10:34 am

Nonstop5h 13m

$185

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 10/3

1:00 pm-9:01 pm

Nonstop5h 01m

Washington, D.C. Dulles Intl

Tue 10/7

7:00 am-9:25 am

Nonstop5h 25m

$187

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 10/16

4:30 pm-12:33 am

Nonstop5h 03m

Washington, D.C. Dulles Intl

Tue 10/21

10:14 pm-12:45 am

Nonstop5h 31m

$197

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 10/30

1:25 pm-11:30 pm

1 stop7h 05m

Washington, D.C. Dulles Intl

Tue 11/4

7:40 am-11:55 am

1 stop7h 15m

$200

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 10/29

8:30 am-11:05 pm

2 stops11h 35m

Washington, D.C. Dulles Intl

Sat 11/1

5:00 pm-9:05 pm

1 stop7h 05m

$204

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Wed 11/12

7:25 am-5:13 pm

1 stop6h 48m

Washington, D.C. Dulles Intl

Sun 11/16

5:40 pm-11:33 pm

1 stop8h 53m

$226

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Wed 10/22

10:46 am-9:01 pm

1 stop7h 15m

Washington, D.C. Dulles Intl

Tue 10/28

7:41 pm-10:00 pm

Nonstop5h 19m

$233

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Wed 12/3

9:25 am-5:30 pm

Nonstop5h 05m

Washington, D.C. Dulles Intl

Mon 12/8

5:37 pm-8:29 pm

Nonstop5h 52m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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, August is the cheapest month in which you can book a flight from California to Washington, D.C. Dulles Intl Airport (average of $292). Flying from California to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to Washington, D.C. Dulles Intl Airport as you normally would.

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 September 11, 2025.

The most flights from USCA to IAD are scheduled on a Thursday (29 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (14 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?

    United Airlines, Southwest, and Alaska Airlines can get you from California to Washington, D.C. Dulles Intl Airport in just under 4h 19m. Your travel time can differ by up to 2h 46m. 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?

    $84 is the cheapest one-way deal found within the past few days, from Breeze Airways. You may also be able to find cheap deals on Southwest and Alaska Airlines, with prices starting from $97 and $107, respectively.

  • What are the most popular routes 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: Brussels Airlines (86%), Austrian Airlines (85%), United Airlines( 82%).

  • 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 $1,024, our data shows the cheapest flight currently is $138. When looking at the most popular route, (Los Angeles - Washington, D.C. Dulles Intl), you can expect to pay $164 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, August is the cheapest month in which you can book a flight from California to Washington, D.C. Dulles Intl Airport (average of $292). Flying from California to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

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.

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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$98Average$229FlexibilityNo cancel feeOn-time65%
FrontierCheapest$115Average$276FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$138Average$383FlexibilityNo cancel feeOn-time85%
DeltaCheapest$138Average$385FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$172Average$415FlexibilityNo cancel feeOn-time71%
Sun Country AirCheapest$218Average$313FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$222Average$385FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$227Average$450FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$246Average$464FlexibilityNo cancel feeOn-time63%

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