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.

$97 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.

Sat, Aug 15 - Sat, Aug 22

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

Thu, Aug 13 - Wed, Aug 19

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

Fri, Sep 11 - Sat, Sep 19

11:50 am - 8:00 pm

LAX

DCA

5h 10mnonstop

6:00 pm - 12:03 am

DCA

LAX

9h 03m

1 stop

$299Multiple Airlines

Fri, Sep 11 - Tue, Sep 15

6:15 am - 4:56 pm

LAX

DCA

7h 41m

1 stop

9:30 am - 11:59 am

DCA

LAX

5h 29mnonstop

$300Multiple Airlines

Thu, Sep 10 - Wed, Sep 16

11:50 am - 8:00 pm

LAX

DCA

5h 10mnonstop

9:30 am - 11:59 am

DCA

LAX

5h 29mnonstop

$302Alaska Airlines

Sat, Aug 22 - Sun, Aug 30

11:00 pm - 6:53 am

LAX

IAD

4h 53mnonstop

9:00 am - 11:32 am

IAD

LAX

5h 32mnonstop

$302United Airlines

Thu, Aug 6 - Tue, Aug 11

7:55 am - 8:50 pm

LAX

DCA

9h 55m

2 stops

4:50 pm - 10:25 pm

DCA

LAX

8h 35m

2 stops

$308Southwest

Sun, Sep 6 - Sat, Sep 12

10:04 am - 6:14 pm

SAN

IAD

5h 10mnonstop

7:47 pm - 10:11 pm

IAD

SAN

5h 24mnonstop

$360Alaska Airlines

Wed, Aug 19 - Wed, Aug 26

8:00 am - 4:02 pm

SAN

IAD

5h 02mnonstop

6:00 pm - 8:29 pm

IAD

SAN

5h 29mnonstop

$366United Airlines

Wed, Aug 5 - Wed, Aug 12

11:05 pm - 12:20 pm

SFO

DCA

10h 15m

1 stop

4:50 pm - 11:15 pm

DCA

SFO

9h 25m

2 stops

$373Southwest

Useful Info

Low season	January
High season	December
Cheapest flight	$97

Best time to beat the crowds with an average 18% drop in price.

Most popular time to fly with an average 19% 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

Chesapeake Beach

Lutherville Timonium

Westminster

Stevensville

Hyattsville

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

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Complete your trip

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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 $293

$97 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