Dulles Intl

$80+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
Apr 22 — Apr 291
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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 April 17, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$175
(Flybillet)

One-way from

$89
(Frontier)

Popular in

December

Cheapest in

August

Average price

$357

Good round-trip deal

$320 or less

Good one-way deal

$164 or less
Provider with most accurate pricing for Los Angeles-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Los Angeles-Washington, D.C. (WAS) flights.
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. 10% potential increase in price ($40 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in April 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 April 17, 2025.

This Flybillet deal was found by Cheapflights users on 4/16. 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 Flybillet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/101:15 pmONT - IAD
1 stop14h 16mFrontier
Sat 5/177:45 amIAD - ONT
1 stop26h 39mFrontier
Deal found 4/16$175
This Frontier deal was found by Cheapflights users on 4/17. 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.
Thu 7/311:02 pmLAS - IAD
Nonstop4h 28mFrontier
Sun 7/67:30 amIAD - LAS
Nonstop4h 59mFrontier
Deal found 4/17$176
This Frontier deal was found by Cheapflights users on 4/16. 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.
Sat 5/36:48 pmLAX - IAD
1 stop8h 43mFrontier
Thu 5/83:32 pmIAD - LAX
1 stop9h 03mFrontier
Deal found 4/16$188
This Expedia deal was found by Cheapflights users on 4/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:00 amLAS - IAD
1 stop7h 00mMultiple Airlines
Mon 5/127:45 amIAD - LAS
Nonstop5h 15mMultiple Airlines
Deal found 4/17$196
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/286:00 amLAX - IAD
1 stop9h 59mAlaska Airlines
Sat 5/317:25 pmIAD - LAX
Nonstop5h 38mAlaska Airlines
Deal found 4/15$207
This Expedia deal was found by Cheapflights users on 4/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/78:00 amLAX - IAD
Nonstop5h 00mMultiple Airlines
Tue 5/1311:47 amIAD - LAX
1 stop12h 48mMultiple Airlines
Deal found 4/17$213
This Trip.com deal was found by Cheapflights users on 4/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/711:51 amOAK - IAD
1 stop15h 40mMultiple Airlines
Mon 5/127:45 amIAD - OAK
1 stop17h 40mMultiple Airlines
Deal found 4/17$217
This Hawaiian Airlines deal was found by Cheapflights users on 4/16. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/298:00 amLAX - IAD
Nonstop5h 14mHawaiian Airlines
Mon 6/27:25 pmIAD - LAX
Nonstop5h 38mHawaiian Airlines
Deal found 4/16$227
This United Airlines deal was found by Cheapflights users on 4/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/176:52 pmLAX - IAD
1 stop7h 30mUnited Airlines
Sat 5/2410:05 pmIAD - LAX
Nonstop5h 29mUnited Airlines
Deal found 4/15$229
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1710:20 amSAN - IAD
Nonstop5h 05mAlaska Airlines
Tue 5/205:14 pmIAD - SAN
Nonstop5h 34mAlaska Airlines
Deal found 4/16$237
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/710:08 amLAS - IAD
1 stop10h 50mAlaska Airlines
Sat 5/105:00 pmIAD - LAS
1 stop8h 24mAlaska Airlines
Deal found 4/17$237
This Southwest deal was found by Cheapflights users on 4/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:15 amLAS - IAD
1 stop8h 40mSouthwest
Mon 5/125:35 pmIAD - LAS
1 stop7h 50mSouthwest
Deal found 4/17$241

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 17, 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

Sat 5/10

7:45 am-8:43 pm

1 stop9h 58m

Washington, D.C. Dulles Intl

Mon 5/19

7:45 am-10:00 am

Nonstop5h 15m

$174

OntarioWashington, D.C.

ONT - IAD

ONTIAD

Ontario

Sat 5/10

1:15 pm-6:31 am

1 stop14h 16m

Washington, D.C. Dulles Intl

Sat 5/17

7:45 am-7:24 am

1 stop26h 39m

$175

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Wed 7/2

11:02 pm-6:30 am

Nonstop4h 28m

Washington, D.C. Dulles Intl

Sun 7/6

7:30 am-9:29 am

Nonstop4h 59m

$176

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sat 5/3

6:48 pm-6:31 am

1 stop8h 43m

Washington, D.C. Dulles Intl

Thu 5/8

3:32 pm-9:35 pm

1 stop9h 03m

$188

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 5/28

6:00 am-6:59 pm

1 stop9h 59m

Washington, D.C. Dulles Intl

Sat 5/31

7:25 pm-10:03 pm

Nonstop5h 38m

$207

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 5/7

8:00 am-4:00 pm

Nonstop5h 00m

Washington, D.C. Dulles Intl

Tue 5/13

11:47 am-9:35 pm

1 stop12h 48m

$213

OaklandWashington, D.C.

OAK - IAD

OAKIAD

Oakland

Wed 5/7

11:51 am-6:31 am

1 stop15h 40m

Washington, D.C. Dulles Intl

Mon 5/12

7:45 am-10:25 pm

1 stop17h 40m

$217

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 5/29

8:00 am-4:14 pm

Nonstop5h 14m

Washington, D.C. Dulles Intl

Mon 6/2

7:25 pm-10:03 pm

Nonstop5h 38m

$227

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sat 5/17

6:52 pm-5:22 am

1 stop7h 30m

Washington, D.C. Dulles Intl

Sat 5/24

10:05 pm-12:34 am

Nonstop5h 29m

$229

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Sat 5/17

10:20 am-6:25 pm

Nonstop5h 05m

Washington, D.C. Dulles Intl

Tue 5/20

5:14 pm-7:48 pm

Nonstop5h 34m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

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 $309). Flying from California to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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 17, 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 April 17, 2025.

The most flights from USCA to IAD are scheduled on a Thursday (40 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (23 on average).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated April 17, 2025.
Read reviews from past customers who have flown Breeze Airways, Alaska Airlines and Southwest from California to Washington, D.C.. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.3

Comfort

8.2

Overall

8.1

Food

6.7

Crew

8.8

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Boarding

8.3

Comfort

8.2

Overall

8.1

Food

6.7

Crew

8.8

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Boarding

8.3

Comfort

8.2

Overall

8.1

Food

6.7

Crew

8.8

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Boarding

8.3

Comfort

8.2

Overall

8.1

Food

6.7

Crew

8.8

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
8.0
Very good

Boarding

8.3

Comfort

8.2

Overall

8.1

Food

6.7

Crew

8.8

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Boarding

8.3

Comfort

8.2

Overall

8.1

Food

6.7

Crew

8.8

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

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

    $89 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $108 and $109, 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: Cathay Pacific (100%), Iberia (100%), Singapore Airlines( 97%).

  • 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 $897, our data shows the cheapest flight currently is $113. When looking at the most popular route, (Los Angeles - Washington, D.C. Dulles Intl), you can expect to pay $179 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 $309). Flying from California to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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 California?

Book flights to California if you plan to visit one of these locations
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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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$48Average$249FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$267FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$157Average$372FlexibilityNo cancel feeOn-time83%
Hawaiian AirlinesCheapest$158Average$347FlexibilityNo cancel feeOn-time85%
DeltaCheapest$179Average$407FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$198Average$441FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$206Average$401FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$227Average$474FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$256Average$507FlexibilityNo cancel feeOn-time63%

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