How many flights depart from California to Washington, D.C. on average per week?

As of March 2026, 642 flights take off from California and land in Washington, D.C. each week. The most common flight departure day for this route is Fri, with 18% of weekly flights taking off on this day.

What airlines fly to Washington, D.C.?

United Airlines, Southwest and Alaska Airlines are the top three most popular airlines that fly to Washington, D.C. from California according to our data. United Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 9 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from California to Washington, D.C.?

United Airlines, Southwest, and Alaska Airlines are the most popular carriers operating from California to Washington, D.C.

How long does it take to fly to Washington, D.C.?

Flight times from California to Washington, D.C. vary, but if you’re flying out of San Diego and flying into Washington, D.C. Dulles Intl Airport (one of the most popular routes), then the duration is 4h 48m on average. Another popular route from California to Washington, D.C. is flying from Los Angeles to Washington, D.C. Dulles Intl Airport, which will take roughly 4h 51m. Keep in mind that layovers or delays could extend your travel time.

How many flights depart from California to Washington, D.C. on average per day?

91 flights are operational daily from California to Washington, D.C. as of March 2026. The most popular departure time for this route is 8:00AM, with 45% of flights per day taking off at noon.

When did momondo last update prices for flights from California to Washington, D.C.?

Prices for flights from California to Washington, D.C. are refreshed on a daily basis.

How many operators does momondo search for flights from California to Washington, D.C.?

As of March 2026, there are 9 operators available to choose from for flights from California to Washington, D.C..

How old do you have to be to fly from California to Washington, D.C.?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$88 Cheap Flights from California to Washington, D.C. in 2026

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Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:59 am - 1:00 pm

ONT

DCA

9h 01m

1 stop

8:00 am - 7:31 am

DCA

ONT

26h 31m

1 stop

$199Frontier

Mon, Apr 20 - Thu, Apr 23

6:20 am - 9:59 pm

ONT

DCA

12h 39m

1 stop

1:59 pm - 11:55 pm

DCA

ONT

12h 56m

1 stop

$200Frontier

Fri, Apr 10 - Thu, Apr 16

6:44 pm - 9:14 am

LAX

BWI

11h 30m

1 stop

3:06 pm - 10:39 pm

BWI

LAX

10h 33m

1 stop

$222Multiple Airlines

Fri, Apr 10 - Tue, Apr 14

11:35 pm - 4:58 pm

LAX

BWI

14h 23m

2 stops

3:06 pm - 10:16 pm

BWI

LAX

10h 10m

1 stop

$226Multiple Airlines

Fri, Apr 17 - Wed, Apr 22

9:20 am - 5:22 pm

SAN

IAD

5h 02mnonstop

6:47 pm - 9:31 pm

IAD

SAN

5h 44mnonstop

$237Alaska Airlines

Tue, Apr 21 - Sat, Apr 25

7:45 am - 5:05 pm

SAN

IAD

6h 20m

1 stop

5:30 pm - 9:30 pm

IAD

SAN

7h 00m

1 stop

$241Southwest

Thu, Apr 30 - Wed, May 6

6:15 am - 12:09 am

SAN

IAD

14h 54m

1 stop

7:37 pm - 10:20 pm

IAD

SAN

5h 43mnonstop

$242Alaska Airlines

Mon, May 11 - Tue, May 19

9:45 pm - 5:44 am

SAN

IAD

4h 59mnonstop

9:27 am - 3:39 pm

IAD

SAN

9h 12m

1 stop

$243United Airlines

Wed, Apr 29 - Tue, May 5

6:55 am - 5:05 pm

SAN

IAD

7h 10m

1 stop

5:30 pm - 9:30 pm

IAD

SAN

7h 00m

1 stop

$246Southwest

Thu, Apr 23 - Tue, Apr 28

12:55 pm - 9:00 pm

SAN

IAD

5h 05mnonstop

2:36 pm - 8:39 pm

IAD

SAN

9h 03m

1 stop

$247United Airlines

Tue, Apr 14 - Tue, Apr 21

United Airlines flights from California to Washington, D.C.

Our best United Airlines deals on California to Washington, D.C. flight tickets

United Airlines

Apr 18

SAN9:45 pmSan Diego

4h 59m

IAD5:44 amWashington, D.C. Dulles Intl

Apr 22

IAD5:55 pmWashington, D.C. Dulles Intl

5h 51m

SAN8:46 pmSan Diego

$237

United Airlines

Apr 29

SAN9:45 pmSan Diego

4h 59m

IAD5:44 amWashington, D.C. Dulles Intl

May 5

IAD9:27 amWashington, D.C. Dulles Intl

9h 12m

1 stop

SAN3:39 pmSan Diego

$243

United Airlines

Apr 14

SAN12:55 pmSan Diego

5h 05m

IAD9:00 pmWashington, D.C. Dulles Intl

Apr 21

IAD2:36 pmWashington, D.C. Dulles Intl

9h 03m

1 stop

SAN8:39 pmSan Diego

$247

Southwest flights from California to Washington, D.C.

Our best Southwest deals on California to Washington, D.C. flight tickets

Southwest

Apr 30

SAN7:45 amSan Diego

6h 20m

1 stop

IAD5:05 pmWashington, D.C. Dulles Intl

May 6

IAD5:30 pmWashington, D.C. Dulles Intl

7h 00m

1 stop

SAN9:30 pmSan Diego

$241

Southwest

Apr 23

SAN6:55 amSan Diego

7h 10m

1 stop

IAD5:05 pmWashington, D.C. Dulles Intl

Apr 28

IAD5:30 pmWashington, D.C. Dulles Intl

7h 00m

1 stop

SAN9:30 pmSan Diego

$246

Southwest

Apr 23

SAN12:40 pmSan Diego

8h 40m

1 stop

IAD12:20 amWashington, D.C. Dulles Intl

Apr 28

IAD6:20 amWashington, D.C. Dulles Intl

11h 00m

2 stops

SAN2:20 pmSan Diego

$251

momondo Fare Finder

Use the filters below to find and compare flights from California to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioWashington, D.C.

ONT - DCA

ONTDCA

Ontario

Mon 4/20

12:59 am-1:00 pm

1 stop9h 01m

Washington, D.C. Reagan-National

Thu 4/23

8:00 am-7:31 am

1 stop26h 31m

$199

OntarioWashington, D.C.

ONT - DCA

ONTDCA

Ontario

Fri 4/10

6:20 am-9:59 pm

1 stop12h 39m

Washington, D.C. Reagan-National

Thu 4/16

1:59 pm-11:55 pm

1 stop12h 56m

$200

Los AngelesBaltimore

LAX - BWI

LAXBWI

Los Angeles Los Angeles

Fri 4/10

6:44 pm-9:14 am

1 stop11h 30m

Baltimore/Washington

Tue 4/14

3:06 pm-10:39 pm

1 stop10h 33m

$222

Los AngelesBaltimore

LAX - BWI

LAXBWI

Los Angeles Los Angeles

Fri 4/17

11:35 pm-4:58 pm

2 stops14h 23m

Baltimore/Washington

Wed 4/22

3:06 pm-10:16 pm

1 stop10h 10m

$226

Quickest round-trip

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Tue 4/21

9:20 am-5:22 pm

Nonstop5h 02m

Washington, D.C. Dulles Intl

Sat 4/25

6:47 pm-9:31 pm

Nonstop5h 44m

$237

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Thu 4/30

7:45 am-5:05 pm

1 stop6h 20m

Washington, D.C. Dulles Intl

Wed 5/6

5:30 pm-9:30 pm

1 stop7h 00m

$241

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Mon 5/11

6:15 am-12:09 am

1 stop14h 54m

Washington, D.C. Dulles Intl

Tue 5/19

7:37 pm-10:20 pm

Nonstop5h 43m

$242

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Wed 4/29

9:45 pm-5:44 am

Nonstop4h 59m

Washington, D.C. Dulles Intl

Tue 5/5

9:27 am-3:39 pm

1 stop9h 12m

$243

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Thu 4/23

6:55 am-5:05 pm

1 stop7h 10m

Washington, D.C. Dulles Intl

Tue 4/28

5:30 pm-9:30 pm

1 stop7h 00m

$246

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Tue 4/14

12:55 pm-9:00 pm

Nonstop5h 05m

Washington, D.C. Dulles Intl

Tue 4/21

2:36 pm-8:39 pm

1 stop9h 03m

$247

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from California to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Washington, D.C.?

The month of August is, on average, the cheapest month to fly to Washington, D.C. from California, with most prices found around $317. If you’re not able to fly to Washington, D.C. in August, then July is your next best option. Flight prices from California to Washington, D.C. during July average around $324.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from California is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $420. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from California to Washington, D.C. for around $562.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from California to Washington, D.C. when you can find flight prices for as low as $385. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $479. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest California to Washington, D.C. flight route?

Fly from Ontario to Baltimore/Washington for the best California - Washington, D.C. flight prices

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $397 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from California for as low as $283 on momondo.

What cabin class options are available on California to Washington, D.C. flights?

There are 4 cabin classes available to choose from on California to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on California to Washington, D.C. flights?

You could potentially save up to 6% on your flight if you consider stops on a California to Washington, D.C. flight.

Cheap California to Washington, D.C. flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Washington, D.C.

Best Price Found	$163
Fastest flight time	4h 25m
Direct flights	Tue, Wed, Thu, Fri, Sat and Sun
Airports in Washington, D.C.	2 airports

The best one-way flight to Washington, D.C. from California in the past 72 hours is $163. The best round-trip flight deal from California to Washington, D.C. found on momondo in the last 72 hours is $297.

The fastest flight from California to Washington, D.C. takes 4h 25m

Direct flights go from California to Washington, D.C. on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines, Southwest and American Airlines.

There are 2 airports in Washington, D.C.. From California there are direct flights to Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD).

Search flight deals

When did momondo last update prices for flights from California to Washington, D.C.?
Prices for flights from California to Washington, D.C. are refreshed on a daily basis.
How many operators does momondo search for flights from California to Washington, D.C.?
As of March 2026, there are 9 operators available to choose from for flights from California to Washington, D.C..
How old do you have to be to fly from California to Washington, D.C.?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from California to Washington, D.C.?
momondo data reveals that the most frequently booked plane model on the route from California to Washington, D.C. is Boeing 737 MAX 9, representing 19.42% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 17.28%, Boeing 737 MAX 8 at 13.96%, and Boeing 737-900 at 13.12%.

Best airlines flying from California to Washington, D.C.

Compare and see reviews for airlines that fly from California to Washington, D.C. with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $50	Free Cancellation	Rating 6.3 8,518 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $99	Free Cancellation	Rating 5.7 3,031 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $113	Free Cancellation	Rating 7.8 2,839 reviews	Search Hawaiian Airlines flights
JetBlue	PriceFrom $122	Free Cancellation	Rating 7.2 2,904 reviews	Search JetBlue flights
Delta	PriceFrom $138	Free Cancellation	Rating 7.9 8,288 reviews	Search Delta flights
Southwest	PriceFrom $159	Free Cancellation	Rating 8.0 4,318 reviews	Search Southwest flights
American Airlines	PriceFrom $172	Free Cancellation	Rating 7.1 11,449 reviews	Search American Airlines flights
United Airlines	PriceFrom $178	Free Cancellation	Rating 7.4 9,419 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $197	Free Cancellation	Rating 8.0 12,038 reviews	Search Alaska Airlines flights

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Colonial Beach

Laurel

Towson

Gaithersburg

Silver Spring

Fredericksburg

Rockville

Tysons

Manassas

Springfield

Bethesda

Fairfax

Linthicum Heights

College Park

Why use momondo?

Why should I use momondo to find a flight deal from California to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from California.

Can I find flights from California to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for California to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from California to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from California.

I’m not ready to book a flight from California to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from California to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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Mon 4/20

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Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from California to Washington, D.C. from $88

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Washington, D.C. departing on 4/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from California to Washington, D.C.

Our best United Airlines deals on California to Washington, D.C. flight tickets

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Use the filters below to find and compare flights from California to Washington, D.C. that are best for you.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from California to Washington, D.C.

What is the cheapest month to fly to Washington, D.C.?

What is the cheapest day to depart on your flight to Washington, D.C.?

What is the cheapest time of day to depart on your flight to Washington, D.C.?

What is the cheapest California to Washington, D.C. flight route?

How far in advance should I book a flight to Washington, D.C.?

What cabin class options are available on California to Washington, D.C. flights?

Can stopping save me money on California to Washington, D.C. flights?

What is the cheapest airline that flies from California to Washington, D.C.?

What airlines fly to Washington, D.C.?

How many flights depart from California to Washington, D.C. on average per day?

How many flights depart from California to Washington, D.C. on average per week?

How long does it take to fly to Washington, D.C.?

Cheap California to Washington, D.C. flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Washington, D.C.

Best Price Found

Fastest flight time

Direct flights

Airports in Washington, D.C.

Best airlines flying from California to Washington, D.C.

Compare and see reviews for airlines that fly from California to Washington, D.C. with momondo

Traveling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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