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Costa Mesa

$130+ Cheap flights from Washington, D.C. (WAS) to Costa Mesa, CA

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LAX
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Costa Mesa are usually found in September or August, booked 54 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Washington, D.C. to Costa Mesa

Cheapest flights from Washington, D.C. to Costa Mesa
Explore the most affordable flight options available from Washington, D.C. to Costa Mesa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This Expedia deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/36:39 pm
BWI
-
LAX
1 stop8h 50m
Multiple Airlines
Wed 4/87:01 pm
LAX
-
BWI
1 stop11h 13m
Multiple Airlines
Deal found 2/10$229
This Mytrip deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/211:30 am
BWI
-
LAX
3 stops38h 10m
Spirit Airlines
Tue 3/107:18 pm
LAX
-
BWI
1 stop12h 09m
Spirit Airlines
Deal found 2/9$230
This Expedia deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/110:57 am
BWI
-
LAX
1 stop13h 23m
Multiple Airlines
Wed 3/47:18 pm
LAX
-
BWI
1 stop12h 09m
Multiple Airlines
Deal found 2/9$231
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:05 am
BWI
-
LAX
1 stop9h 55m
Multiple Airlines
Wed 3/188:18 am
LAX
-
BWI
2 stops13h 23m
Multiple Airlines
Deal found 2/9$232
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/277:06 pm
BWI
-
LAX
1 stop25h 34m
Frontier
Thu 3/55:01 pm
LAX
-
BWI
1 stop21h 35m
Frontier
Deal found 2/11$233
This Expedia deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/59:39 pm
BWI
-
LAX
1 stop24h 22m
Frontier
Sun 3/811:01 pm
LAX
-
BWI
1 stop13h 46m
Frontier
Deal found 2/10$234
This Expedia deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:00 am
BWI
-
LAX
1 stop9h 55m
Multiple Airlines
Fri 2/277:18 pm
LAX
-
BWI
1 stop12h 09m
Multiple Airlines
Deal found 2/9$235
This Frontier deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:09 pm
BWI
-
LAX
1 stop8h 21m
Frontier
Sun 4/1210:41 pm
LAX
-
BWI
1 stop9h 17m
Frontier
Deal found 2/13$236
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/14:05 pm
BWI
-
LAX
1 stop10h 51m
Multiple Airlines
Tue 4/211:51 pm
LAX
-
BWI
1 stop7h 58m
Multiple Airlines
Deal found 2/10$237
This Frontier deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:05 am
BWI
-
LAX
1 stop9h 55m
Frontier
Mon 3/2310:07 pm
LAX
-
BWI
1 stop13h 17m
Frontier
Deal found 2/9$238
This CheapOair deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:45 am
BWI
-
LAX
1 stop10h 42m
Spirit Airlines
Mon 5/47:45 pm
LAX
-
BWI
1 stop11h 12m
Spirit Airlines
Deal found 2/9$239
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/35:58 pm
BWI
-
LAX
2 stops31h 42m
Multiple Airlines
Fri 3/610:07 pm
LAX
-
BWI
1 stop14h 51m
Multiple Airlines
Deal found 2/10$240

Find flight deals from Washington, D.C. to Costa Mesa

Keep the following information in mind while searching for Washington, D.C. to Costa Mesa flight deals. Data was last updated February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$229
(Expedia)

One-way from

$130
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$367
Provider with most accurate pricing for Washington, D.C. (WAS)-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Los Angeles flights.
Search Deals
From Washington, D.C. (WAS) to Costa Mesa
Search Deals
One-way flight from Washington, D.C. (WAS) to Costa Mesa
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Costa Mesa 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, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Costa Mesa that are best for you.

Fly from

Washington, D.C.

Fly to

Costa Mesa

Route

Depart

Return

Price

Washington, D.C.Los Angeles

DCA - LAX

DCALAX

Washington, D.C. Reagan-National

Fri 4/3

6:10 am-11:00 am

1 stop7h 50m

Los Angeles

Wed 4/8

5:00 am-3:00 pm

1 stop7h 00m

$257

Washington, D.C.Los Angeles

DCA - LAX

DCALAX

Washington, D.C. Reagan-National

Thu 3/5

3:30 pm-10:05 pm

1 stop9h 35m

Los Angeles

Thu 3/12

5:05 am-2:45 pm

1 stop6h 40m

$257

Washington, D.C.Los Angeles

DCA - LAX

DCALAX

Washington, D.C. Reagan-National

Sat 3/7

1:15 pm-8:15 pm

1 stop10h 00m

Los Angeles

Thu 3/12

11:30 pm-12:10 pm

1 stop9h 40m

$257

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Thu 3/5

7:35 pm-12:15 am

1 stop7h 40m

Los Angeles

Wed 3/11

6:30 am-5:20 pm

1 stop7h 50m

$257

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Tue 3/24

6:10 pm-10:55 pm

1 stop7h 45m

Los Angeles

Wed 3/25

6:30 am-5:20 pm

1 stop7h 50m

$257

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 5/13

5:30 pm-10:00 pm

1 stop7h 30m

Los Angeles

Tue 5/19

2:05 pm-11:40 pm

1 stop6h 35m

$257

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Thu 3/5

7:35 pm-12:15 am

1 stop7h 40m

Los Angeles

Tue 3/10

2:30 pm-11:40 pm

1 stop6h 10m

$257

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Thu 3/12

5:50 am-10:05 am

1 stop7h 15m

Los Angeles

Wed 3/18

6:30 am-5:20 pm

1 stop7h 50m

$257

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Fri 5/15

4:30 pm-11:20 pm

1 stop9h 50m

Los Angeles

Sun 5/24

2:05 pm-11:45 pm

1 stop6h 40m

$257

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 3/4

9:05 am-2:40 pm

1 stop8h 35m

Los Angeles

Sat 3/7

6:05 am-4:05 pm

1 stop7h 00m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Showing 1-10 of 60 results
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Best time to book a flight from Washington, D.C. to Costa Mesa

Have a flexible travel schedule? Discover the best time to fly to Costa Mesa from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Costa Mesa

How far ahead should I book a flight from Washington, D.C. to Costa Mesa?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Costa Mesa. Price data was last updated on February 6, 2026.

The best time to book flights from Washington, D.C. to Costa Mesa is 54 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. to Costa Mesa?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Costa Mesa (average of $77). Flying from Washington, D.C. to Costa Mesa in March is currently the most expensive (average of $188). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to CM3?

Find hourly flight availability from Washington, D.C. to Costa Mesa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 13, 2026.

It’s typically best to fly out from Washington, D.C. to Costa Mesa in the evening. Doing so could potentially save you 31% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Washington, D.C. to Costa Mesa?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Costa Mesa. Price data was last updated on February 7, 2026.

Travelers seeking maximum savings on their Washington, D.C. to Costa Mesa flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Costa Mesa

Explore weekly flight availability from Washington, D.C. to Costa Mesa. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 13, 2026.

The most flights from WAS to CM3 are scheduled on a Thursday (45 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (30 on average).

How much does it cost to fly round-trip from Washington, D.C. to Costa Mesa?

Reviews of airlines servicing Costa Mesa

Get insights into the airlines that provide service to Costa Mesa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Costa Mesa. Reviews last updated February 13, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and United Airlines from Washington, D.C. to Costa Mesa to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,878 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Alaska Airlines
8.0
Very good
11,878 reviews
Alaska Airlines
8.0
Very good
11,878 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Southwest
8.0
Very good
4,283 reviews
Alaska Airlines
8.0
Very good
11,878 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
United Airlines
7.4
Good
9,283 reviews
Alaska Airlines
8.0
Very good
11,878 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
American Airlines
7.2
Good
11,277 reviews
Alaska Airlines
8.0
Very good
11,878 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Spirit Airlines
6.3
Okay
8,451 reviews
Alaska Airlines
8.0
Very good
11,878 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Costa Mesa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. to Costa Mesa?

    There are many flights that can get you from Washington, D.C. to Costa Mesa in 6h 06m. Fly via Southwest or United Airlines to get the fastest option. Washington, D.C. and Costa Mesa are separated by a distance of 2322 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Washington, D.C. to Costa Mesa one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $72. However, be on the lookout for offers from Frontier and Southwest, as they are both options that can get you from Washington, D.C. to Costa Mesa for a low price.

  • What are the most popular routes from Washington, D.C. to Costa Mesa?

    Most travelers choose Baltimore/Washington - Los Angeles, Washington, D.C. Reagan-National - Los Angeles or Washington, D.C. Dulles Intl - Los Angeles when deciding on the best route from Washington, D.C. to Costa Mesa.

  • What are the most reliable airlines from Washington, D.C. to Costa Mesa?

    The top 3 most reliable airlines when flying from Washington, D.C. to Costa Mesa are Egyptair (87%), Air China (83%) and United Airlines (83%).

  • What are the cheapest flights from Washington, D.C. to Costa Mesa?

    On average you can expect to pay $982 for a flight from Washington, D.C. to Costa Mesa. The cheapest flight overall is $138 while the most popular route, (Baltimore/Washington - Los Angeles) is currently priced at $139.

  • Can I find deals for flights from Washington, D.C. to Costa Mesa that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Costa Mesa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Costa Mesa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Costa Mesa.

  • Can I find deals for business class flights from Washington, D.C. to Costa Mesa?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Costa Mesa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to Costa Mesa?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Costa Mesa (average of $77). Flying from Washington, D.C. to Costa Mesa in March is currently the most expensive (average of $188). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Washington, D.C. to Costa Mesa

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Washington, D.C. to Costa Mesa

Discover the top 9 airlines that operate flights from Washington, D.C. to Costa Mesa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$58Average$224FlexibilityNo cancel feeOn-time65%
FrontierCheapest$99Average$282FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$113Average$344FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$127Average$414FlexibilityNo cancel feeOn-time62%
DeltaCheapest$148Average$419FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$168Average$437FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$172Average$450FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$178Average$452FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$186Average$433FlexibilityNo cancel feeOn-time71%

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