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.

$98 CHEAP FLIGHTS from California to Washington, D.C.

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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.

Wed, Aug 12 - Wed, Aug 26

9:36 am - 8:34 pm

ONT

BWI

7h 58m

1 stop

1:24 pm - 7:01 pm

BWI

ONT

8h 37m

1 stop

$242Frontier

Tue, Aug 11 - Tue, Aug 18

9:36 am - 8:34 pm

ONT

BWI

7h 58m

1 stop

1:24 pm - 7:01 pm

BWI

ONT

8h 37m

1 stop

$243Frontier

Sat, Sep 5 - Mon, Sep 14

11:50 am - 8:00 pm

LAX

DCA

5h 10mnonstop

7:00 am - 1:44 pm

DCA

LAX

9h 44m

1 stop

$296Multiple Airlines

Mon, Sep 7 - Sat, Sep 19

7:35 am - 3:35 pm

LAX

DCA

5h 00mnonstop

4:41 pm - 7:14 pm

DCA

LAX

5h 33mnonstop

$297Delta

Thu, Sep 10 - Tue, Sep 15

11:03 am - 9:58 pm

LAX

DCA

7h 55m

1 stop

9:30 am - 11:59 am

DCA

LAX

5h 29mnonstop

$298Multiple Airlines

Fri, Sep 11 - Fri, Sep 18

11:50 am - 8:00 pm

LAX

DCA

5h 10mnonstop

9:30 am - 11:59 am

DCA

LAX

5h 29mnonstop

$302Alaska Airlines

Tue, Aug 18 - Sat, Aug 22

11:00 pm - 6:53 am

LAX

IAD

4h 53mnonstop

9:00 am - 11:32 am

IAD

LAX

5h 32mnonstop

$302United Airlines

Fri, Jul 31 - Thu, Aug 13

10:00 pm - 10:00 am

ONT

IAD

9h 00m

1 stop

12:30 pm - 6:30 pm

IAD

ONT

9h 00m

1 stop

$314Delta

Wed, Aug 26 - Mon, Aug 31

9:49 am - 10:19 pm

SAN

IAD

9h 30m

1 stop

12:35 pm - 2:57 pm

IAD

SAN

5h 22mnonstop

$353United Airlines

Tue, Aug 25 - Sun, Aug 30

10:04 am - 6:14 pm

SAN

IAD

5h 10mnonstop

9:03 am - 10:39 am

IAD

SAN

28h 36m

1 stop

$354Alaska Airlines

Useful Info

Low season	January
High season	December
Cheapest flight	$98

Best time to beat the crowds with an average 20% drop in price.

Most popular time to fly with an average 16% 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

Camp Springs

Ellicott City

Pikesville

Chesapeake Beach

Colonial Beach

Hunt Valley

Lutherville Timonium

Westminster

Stevensville

Hyattsville

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

Cabin class

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Origins

Other airports

Return flight deals

Cabin class types available on flights to California

First Class flights to Washington, D.C.from $813

Business Class flights to Washington, D.C.from $1,208

Premium Economy Class flights to Washington, D.C.from $563

Economy Class flights to Washington, D.C.from $257

$98 Find Cheap Flights from California to Washington, D.C. - Compare and Save

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