How does KAYAK find such low prices on flights from California to Washington, D.C.?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Washington, D.C.. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Washington, D.C.?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from California is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from California to Washington, D.C.?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington, D.C. with an airline and back to California with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Washington, D.C.?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$84 CHEAP FLIGHTS from California to Washington, D.C.

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C.

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Flight Deals

Cheap Flights from California to Washington, D.C.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from California to Washington, D.C.

Thu, Aug 6 - Sat, Aug 22

9:36 am - 8:39 pm

ONT

BWI

8h 03m

1 stop

5:44 pm - 5:52 pm

BWI

ONT

27h 08m

1 stop

$240Frontier

Thu, Aug 6 - Mon, Aug 10

9:36 am - 8:39 pm

ONT

BWI

8h 03m

1 stop

4:44 pm - 7:32 am

BWI

ONT

17h 48m

1 stop

$241Frontier

Tue, Sep 1 - Wed, Sep 2

5:45 am - 6:00 pm

ONT

DCA

9h 15m

2 stops

4:50 pm - 10:00 pm

DCA

ONT

8h 10m

2 stops

$265Southwest

Tue, Aug 25 - Wed, Sep 2

6:00 am - 4:44 pm

ONT

DCA

7h 44m

1 stop

6:00 am - 10:42 am

DCA

ONT

7h 42m

1 stop

$280Delta

Wed, Sep 9 - Tue, Sep 22

12:00 pm - 12:10 am

ONT

IAD

9h 10m

1 stop

7:00 am - 12:10 pm

IAD

ONT

8h 10m

1 stop

$280Delta

Sun, Sep 27 - Mon, Nov 16

12:50 am - 1:40 pm

LAX

DCA

9h 50m

2 stops

4:20 pm - 11:35 pm

DCA

LAX

10h 15m

1 stop

$284Southwest

Wed, Sep 9 - Fri, Sep 11

7:16 am - 5:59 pm

LAX

DCA

7h 43m

1 stop

6:59 pm - 10:01 am

DCA

LAX

18h 02m

1 stop

$287Alaska Airlines

Sat, Sep 12 - Tue, Sep 22

8:51 pm - 12:49 pm

LAX

DCA

12h 58m

1 stop

1:20 pm - 9:08 pm

DCA

LAX

10h 48m

1 stop

$288Multiple Airlines

Fri, Aug 21 - Wed, Sep 9

8:56 pm - 12:57 pm

LAX

DCA

13h 01m

1 stop

9:30 am - 11:59 am

DCA

LAX

5h 29mnonstop

$289Multiple Airlines

Sat, Sep 12 - Sat, Sep 19

8:27 am - 8:00 pm

SFO

DCA

8h 33m

1 stop

6:59 pm - 9:54 pm

DCA

SFO

5h 55mnonstop

$365Alaska Airlines

Useful Info

Low season	January
High season	June
Cheapest flight	$84

Best time to beat the crowds with an average 19% drop in price.

Most popular time to fly with an average 14% increase in price.

Flight from Ontario to Washington Dulles Airport

karenFlew with Alaska Airlines

LAX

IAD

Jun 2024

Personal tips are bring your own food if you're hungry; keep foot space as open as possible for leg room; pack your patience

Verified travelerFlew with Alaska Airlines

LAX

IAD

Jun 2024

Get to the airport on time because traffic in LA is unexpected

How does KAYAK find such low prices on flights from California to Washington, D.C.?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Washington, D.C..
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Washington, D.C.?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from California is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from California to Washington, D.C.?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington, D.C. with an airline and back to California with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Washington, D.C.?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Linthicum Heights

Springfield

Hanover

Gaithersburg

Towson

Oxon Hill

Owings Mills

Greenbelt

Glen Burnie

Edgewood

Ellicott City

Camp Springs

Pikesville

Colonial Beach

Hunt Valley

Lutherville Timonium

Chesapeake Beach

Westminster

Stevensville

Hyattsville

Everything you need to know for your flight to Washington, D.C.

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to California

First Class flights to Washington, D.C.from $908

Business Class flights to Washington, D.C.from $788

Premium Economy Class flights to Washington, D.C.from $546

Economy Class flights to Washington, D.C.from $316

$84 Find Cheap Flights from California to Washington, D.C. - Compare and Save

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C.

Cheap Flights from California to Washington, D.C.

Recent round-trip flight deals from California to Washington, D.C.

Recent one-way flight deals from California to Washington, D.C.

Recent last minute flight deals from California to Washington, D.C.

Recent direct flight deals from California to Washington, D.C.

Good to know

Flights from California to Washington, D.C.: the best tips from KAYAK users

FAQs for booking flights from California to Washington, D.C.

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

Everything you need to know for your flight to Washington, D.C.

Cabin class types available on flights to California

Complete your trip to Washington, D.C. with a hotel stay or car rental

Find direct flights for Washington, D.C.

Flights to other popular destinations

Flights from domestic origins to Washington, D.C.

Choose which airport to fly into in Washington, D.C.

Find deals for your return flight