Cheap flights from California to District of Columbia from $84

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 District of Columbia departing on 7/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from California to District of Columbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
5:45 am - 6:00 pm
ONT
-
DCA
9h 15m
2 stops
Southwest Logo
4:50 pm - 10:00 pm
DCA
-
ONT
8h 10m
2 stops
$265Southwest
Tue, Sep 1 - Wed, Sep 2
Frontier Logo
10:50 am - 9:59 pm
ONT
-
DCA
8h 09m
1 stop
Frontier Logo
7:00 am - 11:49 pm
DCA
-
ONT
19h 49m
1 stop
$266Frontier
Thu, Aug 20 - Mon, Aug 24
United Airlines Logo
7:00 am - 5:37 pm
ONT
-
IAD
7h 37m
1 stop
United Airlines Logo
1:10 pm - 7:57 pm
IAD
-
ONT
9h 47m
1 stop
$270United Airlines
Wed, Sep 9 - Wed, Sep 23
United Airlines Logo
6:37 pm - 5:25 am
SJC
-
IAD
7h 48m
1 stop
United Airlines Logo
3:40 pm - 10:50 pm
IAD
-
SJC
10h 10m
1 stop
$280United Airlines
Mon, Aug 24 - Tue, Sep 1
Delta Logo
6:00 am - 4:44 pm
ONT
-
DCA
7h 44m
1 stop
Delta Logo
6:00 am - 10:42 am
DCA
-
ONT
7h 42m
1 stop
$280Delta
Tue, Aug 25 - Wed, Sep 2
Delta Logo
12:00 pm - 12:10 am
ONT
-
IAD
9h 10m
1 stop
Delta Logo
7:00 am - 12:10 pm
IAD
-
ONT
8h 10m
1 stop
$280Delta
Wed, Sep 9 - Tue, Sep 22
Alaska Airlines Logo
7:13 am - 9:00 pm
SJC
-
DCA
10h 47m
1 stop
Alaska Airlines Logo
8:59 am - 6:00 pm
DCA
-
SJC
12h 01m
1 stop
$281Alaska Airlines
Thu, Jul 16 - Wed, Aug 12
Alaska Airlines Logo
3:18 pm - 11:30 pm
LAX
-
DCA
5h 12mnonstop
Alaska Airlines Logo
9:59 am - 12:27 pm
DCA
-
LAX
5h 28mnonstop
$284Alaska Airlines
Sat, Jul 4 - Fri, Jul 10
American Airlines Logo
7:00 am - 6:14 pm
LAX
-
DCA
8h 14m
1 stop
American Airlines Logo
9:00 am - 11:41 am
DCA
-
LAX
5h 41mnonstop
$292American Airlines
Tue, Aug 25 - Tue, Sep 1
American Airlines Logo
11:14 am - 10:51 pm
LAX
-
IAD
8h 37m
1 stop
American Airlines Logo
6:10 am - 8:55 am
IAD
-
LAX
5h 45mnonstop
$292American Airlines
Tue, Sep 29 - Sat, Oct 17

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United Airlines flights from California to District of Columbia

Our best United Airlines deals on California to District of Columbia flight tickets
United Airlines
Sep 9
ONT7:00 amOntario
7h 37m
1 stop
IAD5:37 pmWashington, D.C. Dulles Intl
Sep 23
IAD1:10 pmWashington, D.C. Dulles Intl
9h 47m
1 stop
ONT7:57 pmOntario
$270
United Airlines
Aug 24
SJC6:37 pmSan Jose
7h 48m
1 stop
IAD5:25 amWashington, D.C. Dulles Intl
Sep 1
IAD3:40 pmWashington, D.C. Dulles Intl
10h 10m
1 stop
SJC10:50 pmSan Jose
$280
United Airlines
Sep 2
LAX10:39 pmLos Angeles
4h 59m
IAD6:38 amWashington, D.C. Dulles Intl
Sep 8
IAD5:42 pmWashington, D.C. Dulles Intl
5h 36m
LAX8:18 pmLos Angeles
$285

Frontier flights from California to District of Columbia

Our best Frontier deals on California to District of Columbia flight tickets
Frontier
Aug 20
ONT10:50 amOntario
8h 09m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Aug 24
DCA7:00 amWashington, D.C. Reagan-National
19h 49m
1 stop
ONT11:49 pmOntario
$266
Frontier
Jul 7
ONT3:40 pmOntario
13h 40m
1 stop
IAD8:20 amWashington, D.C. Dulles Intl
Jul 14
IAD9:50 amWashington, D.C. Dulles Intl
8h 24m
1 stop
ONT3:14 pmOntario
$268
Frontier
Jul 3
ONT3:34 pmOntario
13h 51m
1 stop
IAD8:25 amWashington, D.C. Dulles Intl
Jul 10
IAD9:50 amWashington, D.C. Dulles Intl
9h 04m
1 stop
ONT3:54 pmOntario
$269

momondo Fare Finder

 
Customize your flight search to find flights from California to District of Columbia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 14, 2026.
Use the filters below to find and compare flights from California to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioWashington, D.C.

ONT - DCA

ONTDCA

Ontario

Tue 9/1

5:45 am-6:00 pm

2 stops9h 15m

Washington, D.C. Reagan-National

Wed 9/2

4:50 pm-10:00 pm

2 stops8h 10m

$265

OntarioWashington, D.C.

ONT - DCA

ONTDCA

Ontario

Thu 8/20

10:50 am-9:59 pm

1 stop8h 09m

Washington, D.C. Reagan-National

Mon 8/24

7:00 am-11:49 pm

1 stop19h 49m

$266

OntarioWashington, D.C.

ONT - IAD

ONTIAD

Ontario

Wed 9/9

7:00 am-5:37 pm

1 stop7h 37m

Washington, D.C. Dulles Intl

Wed 9/23

1:10 pm-7:57 pm

1 stop9h 47m

$270

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Mon 8/24

6:37 pm-5:25 am

1 stop7h 48m

Washington, D.C. Dulles Intl

Tue 9/1

3:40 pm-10:50 pm

1 stop10h 10m

$280

OntarioWashington, D.C.

ONT - DCA

ONTDCA

Ontario

Tue 8/25

6:00 am-4:44 pm

1 stop7h 44m

Washington, D.C. Reagan-National

Wed 9/2

6:00 am-10:42 am

1 stop7h 42m

$280

OntarioWashington, D.C.

ONT - IAD

ONTIAD

Ontario

Wed 9/9

12:00 pm-12:10 am

1 stop9h 10m

Washington, D.C. Dulles Intl

Tue 9/22

7:00 am-12:10 pm

1 stop8h 10m

$280

San JoseWashington, D.C.

SJC - DCA

SJCDCA

San Jose

Thu 7/16

7:13 am-9:00 pm

1 stop10h 47m

Washington, D.C. Reagan-National

Wed 8/12

8:59 am-6:00 pm

1 stop12h 01m

$281
Quickest round-trip

Los AngelesWashington, D.C.

LAX - DCA

LAXDCA

Los Angeles

Sat 7/4

3:18 pm-11:30 pm

Nonstop5h 12m

Washington, D.C. Reagan-National

Fri 7/10

9:59 am-12:27 pm

Nonstop5h 28m

$284

Los AngelesWashington, D.C.

LAX - DCA

LAXDCA

Los Angeles

Tue 8/25

7:00 am-6:14 pm

1 stop8h 14m

Washington, D.C. Reagan-National

Tue 9/1

9:00 am-11:41 am

Nonstop5h 41m

$292

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 9/29

11:14 am-10:51 pm

1 stop8h 37m

Washington, D.C. Dulles Intl

Sat 10/17

6:10 am-8:55 am

Nonstop5h 45m

$292

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to District of Columbia from

How to get the cheapest flight ticket from California to District of Columbia

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

What is the cheapest month to fly to District of Columbia?

In general, February is the cheapest month to fly from California to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $358. If you don’t want to visit District of Columbia in February, then you should wait until August to fly from California, when ticket prices are also cheap, with an average price of $361.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Wednesday when prices can be found for as low as $458. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from California because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $629.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from California in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $424 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly in the morning, with an average ticket price of $520. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest California to District of Columbia flight route?

Fly from Santa Ana J. Wayne/Orange Cnty to Washington, D.C. Dulles Intl for the best California - District of Columbia flight prices

How far in advance should I book a flight from California to District of Columbia?

You are more likely to see cheaper flights to District of Columbia from California when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $427 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from California for as low as $326 on momondo.

What cabin class options are available on California to District of Columbia flights?

There are 4 cabin classes available to choose from on California to District of Columbia 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 District of Columbia flights?

You could potentially save up to 25% on your flight if you consider stops on a California to District of Columbia flight.

Cheap California to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to District of Columbia

Best Price Found

$256

Fastest flight time

4h 20m

Direct flights

Every day

Airports in District of Columbia

2 airports
The best one-way flight to District of Columbia from California in the past 72 hours is $256. The best round-trip flight deal from California to District of Columbia found on momondo in the last 72 hours is $399.
The fastest flight from California to District of Columbia takes 4h 20m
Direct flights go from California to District of Columbia every day.
There are 2 airports in District of Columbia. From California there are direct flights to Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD).

Frequently asked questions about flying from California to District of Columbia

  • When did momondo last update prices for flights from California to District of Columbia?

    Prices for flights from California to District of Columbia were last updated today.

  • How many operators does momondo search for flights from California to District of Columbia?

  • How old do you have to be to fly from California to District of Columbia?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The travel and health documents required for your trip to District of Columbia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at District of Columbia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from California to District of Columbia?

Best airlines flying from California to District of Columbia

Compare and see reviews for airlines that fly from California to District of Columbia with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $99Free CancellationRating
5.6
2,890 reviews
Search Frontier flights
DeltaPriceFrom $128Free CancellationRating
7.9
8,405 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $138Free CancellationRating
7.8
2,829 reviews
Search Hawaiian Airlines flights
JetBluePriceFrom $147Free CancellationRating
7.1
2,981 reviews
Search JetBlue flights
SouthwestPriceFrom $159Free CancellationRating
7.9
4,235 reviews
Search Southwest flights
American AirlinesPriceFrom $172Free CancellationRating
7.1
11,654 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $178Free CancellationRating
7.9
12,507 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $178Free CancellationRating
7.4
9,820 reviews
Search United Airlines flights
Sun Country AirPriceFrom $179Free CancellationRating
6.8
330 reviews
Search Sun Country Air flights

Why use momondo?

Why should I use momondo to find a flight deal from California to District of Columbia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from California to District of Columbia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from California to District of Columbia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to District of Columbia from California with this policy.

How can momondo help me find flights from California to District of Columbia?

momondo provides multiple filters to help you find the best flight to District of Columbia from California. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from California to District of Columbia right now. Can momondo alert me if prices change?

Price alerts on flights to District of Columbia from California are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Tue 7/14
Tue 7/21

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