How does KAYAK find such low prices on flights from California to Washington Dulles Airport?

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 Dulles Airport. 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 Dulles Airport?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport 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 Dulles Airport?

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 Dulles Airport 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 Dulles Airport?

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 Dulles Airport 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>

$90 CHEAP FLIGHTS from California to Washington Dulles (IAD)

IAD

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

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Cheapest round-trip

$203

Overall average: $396

Frontier

Tue 2/24Fri 2/27

ONT - IAD • 2 stops

Cheapest non-stop

$236

Typical prices: $267-$617

Alaska Airlines

Thu 2/19Tue 2/24

SAN - IAD • Non-stop

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KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Dulles Intl!

Flight Deals

Cheap Flights from California to Dulles Intl

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 Dulles Intl

Tue, Feb 24 - Fri, Feb 27

3:22 pm - 9:25 am

ONT

IAD

39h 03m

2 stops

10:23 am - 8:48 pm

IAD

ONT

13h 25m

1 stop

$203Frontier

Wed, Feb 11 - Sun, Mar 1

11:59 pm - 4:43 pm

LAS

IAD

13h 44m

1 stop

11:15 am - 10:48 pm

IAD

LAS

14h 33m

1 stop

$215Frontier

Wed, Feb 18 - Mon, Mar 2

10:21 am - 9:25 am

LAS

IAD

20h 04m

2 stops

10:20 am - 6:42 pm

IAD

LAS

11h 22m

1 stop

$217Multiple Airlines

Thu, Feb 12 - Sat, Feb 28

7:05 am - 5:57 pm

LAS

IAD

7h 52m

1 stop

10:29 am - 10:46 pm

IAD

LAS

15h 17m

2 stops

$221Multiple Airlines

Thu, Feb 19 - Tue, Feb 24

9:28 am - 5:27 pm

SAN

IAD

4h 59mnonstop

6:20 pm - 9:19 pm

IAD

SAN

5h 59mnonstop

$236Alaska Airlines

Wed, Mar 25 - Tue, Mar 31

9:20 am - 5:22 pm

SAN

IAD

5h 02mnonstop

6:22 pm - 9:22 pm

IAD

SAN

6h 00mnonstop

$237Alaska Airlines

Sat, Feb 21 - Sun, Feb 22

5:00 pm - 1:08 am

SFO

IAD

5h 08mnonstop

6:20 am - 9:35 am

IAD

SFO

6h 15mnonstop

$237United Airlines

Mon, Mar 2 - Sat, Mar 7

12:25 am - 11:00 am

SFO

IAD

7h 35m

1 stop

5:37 pm - 11:10 pm

IAD

SFO

8h 33m

1 stop

$238American Airlines

Fri, Feb 20 - Tue, Feb 24

12:30 am - 1:32 pm

SFO

IAD

10h 02m

2 stops

3:11 pm - 10:20 pm

IAD

SFO

10h 09m

1 stop

$242American Airlines

Wed, Mar 11 - Wed, Mar 25

1:05 pm - 8:56 pm

SAN

IAD

4h 51mnonstop

9:00 am - 11:50 am

IAD

SAN

5h 50mnonstop

$244United Airlines

Useful Info

Low season	January
High season	May
Cheapest flight	$90

Best time to beat the crowds but there is an average 12% increase in price.

Most popular time to fly and prices are also 4% lower on average.

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 Dulles Airport?
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 Dulles Airport.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Washington Dulles Airport?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport 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 Dulles Airport?
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 Dulles Airport 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 Dulles Airport?
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 Dulles Airport from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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Pikesville

Lutherville Timonium

Hunt Valley

Camp Springs

Stevensville

Everything you need to know for your flight to Dulles Intl

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Washington Dulles Airport (IAD)

IAD

$90 Find Cheap Flights from California to Washington Dulles Airport

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

Everything you should know

Cheap Flights from California to Dulles Intl

Recent round-trip flight deals from California to Dulles Intl

Recent one-way flight deals from California to Dulles Intl

Recent last minute flight deals from California to Dulles Intl

Recent direct flight deals from California to Dulles Intl

Good to know

Flights from California to Dulles Intl: the best tips from KAYAK users

FAQs for booking California to Washington Dulles Airport flights

How does KAYAK find such low prices on flights from California to Washington Dulles Airport?

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 Dulles Airport.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Washington Dulles Airport?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport 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 Dulles Airport?

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 Dulles Airport 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 Dulles Airport?

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 Dulles Airport from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Dulles Intl?

Everything you need to know for your flight to Dulles Intl

Information on your arrival and departure airports

Cabin class types available on flights to Dulles Intl

Complete your trip to Dulles Intl with a hotel stay or car rental

Find direct flights for Dulles Intl

Flights to other popular destinations

Flights from domestic origins to California

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

Find deals for your return flight