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 $77. However, be on the lookout for offers from Frontier and Alaska Airlines, 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 Washington, D.C. Dulles Intl - Los Angeles, Washington, D.C. Reagan-National - Los Angeles or Baltimore/Washington - Los Angeles when deciding on the best route from Washington, D.C. to Costa Mesa.

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

On average you can expect to pay $912 for a flight from Washington, D.C. to Costa Mesa. The cheapest flight overall is $113 while the most popular route, (Washington, D.C. Dulles Intl - Los Angeles) is currently priced at $179.

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 Iberia (100%), Egyptair (98%) and Ethiopian Air (95%).

What are the most popular airlines that fly from Washington, D.C. to Costa Mesa?

The most popular airlines flying from Washington, D.C. to Costa Mesa are American Airlines, Alaska Airlines and Delta. Something to consider prior to booking your flight.

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

Find a great deal and save up to 83% by booking at least 31 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington, D.C. to Costa Mesa within the next two weeks, with the cheapest ticket starting at $377.

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

The best pricing can be found in the month of September. Prices to Costa Mesa from Washington, D.C. average $362. You can even find prices in September for less than $362, as users have found deals to Costa Mesa from as low as $121. The month of December appears to be one of the more expensive times to travel to Costa Mesa from Washington, D.C.. Flying in the targeted month can save you up to 33%.

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.

$77+ Flights from Washington, D.C. to Costa Mesa

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Find cheap flights from Washington, D.C. to Costa Mesa with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. to Costa Mesa are usually found in September or August, booked 30 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

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

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$152 (Cheapflightsfares)
One-way from	$77 (FlightHub)
Popular in	December
Cheapest in	September
Average price	$397

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. 7% potential increase in price ($31 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 April 2025

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Find 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 April 22, 2025.

Mon 5/128:44 pmBWI - LAX

Nonstop5h 42mSpirit Airlines

Fri 5/1611:36 amLAX - BWI

Nonstop5h 03mSpirit Airlines

Deal found 4/22

$152

Fri 5/98:44 pmBWI - LAX

Nonstop5h 42mMultiple Airlines

Fri 5/1610:35 pmLAX - BWI

1 stop8h 21mMultiple Airlines

Deal found 4/21

$157

Tue 5/610:40 amBWI - LAX

1 stop10h 03mFrontier

Sat 5/1010:35 pmLAX - BWI

1 stop8h 23mFrontier

Deal found 4/22

$178

Fri 5/307:25 pmIAD - LAX

Nonstop5h 38mAlaska Airlines

Thu 6/128:20 amLAX - IAD

Nonstop5h 05mAlaska Airlines

Deal found 4/22

$207

Tue 5/66:00 pmDCA - LAX

1 stop9h 30mFrontier

Fri 5/910:37 amLAX - DCA

1 stop8h 22mFrontier

Deal found 4/22

$208

Thu 5/153:32 pmIAD - LAX

1 stop9h 03mFrontier

Wed 5/213:41 pmLAX - IAD

1 stop11h 14mFrontier

Deal found 4/22

$208

Wed 5/211:00 pmDCA - LAX

1 stop14h 30mMultiple Airlines

Sat 5/2412:48 pmLAX - DCA

Nonstop5h 11mMultiple Airlines

Deal found 4/22

$213

Sat 5/107:45 amIAD - LAX

1 stop13h 03mMultiple Airlines

Tue 5/138:00 amLAX - IAD

Nonstop5h 00mMultiple Airlines

Deal found 4/22

$213

Tue 9/99:00 amDCA - LAX

Nonstop5h 29mHawaiian Airlines

Thu 9/1812:48 pmLAX - DCA

Nonstop5h 11mHawaiian Airlines

Deal found 4/22

$227

Tue 6/37:25 pmIAD - LAX

Nonstop5h 38mHawaiian Airlines

Thu 6/128:20 amLAX - IAD

Nonstop5h 05mHawaiian Airlines

Deal found 4/22

$227

Thu 5/295:15 pmDCA - LAX

Nonstop5h 40mDelta

Sat 6/78:00 amLAX - DCA

Nonstop5h 05mDelta

Deal found 4/21

$228

Tue 9/98:00 amDCA - LAX

1 stop11h 37mAlaska Airlines

Tue 9/1612:48 pmLAX - DCA

Nonstop5h 11mAlaska Airlines

Deal found 4/22

$232

Best flights from Washington, D.C. to Costa Mesa
Discover carefully curated flight deals from Washington, D.C. to Costa Mesa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 22, 2025.

Mon 5/128:44 pmBWI - LAX

Nonstop5h 42mSpirit Airlines

Fri 5/1611:36 amLAX - BWI

Nonstop5h 03mSpirit Airlines

Deal found 4/22

$152

Mon 5/198:44 pmBWI - LAX

Nonstop5h 42mMultiple Airlines

Thu 5/221:57 pmLAX - BWI

1 stop16h 12mMultiple Airlines

Deal found 4/21

$159

Tue 5/610:40 amBWI - LAX

1 stop10h 03mFrontier

Sat 5/1010:35 pmLAX - BWI

1 stop8h 23mFrontier

Deal found 4/22

$178

Thu 7/38:19 pmIAD - LAX

Nonstop5h 29mAlaska Airlines

Thu 7/178:20 amLAX - IAD

Nonstop5h 05mAlaska Airlines

Deal found 4/21

$217

Wed 5/213:30 pmIAD - LAX

Nonstop5h 48mUnited Airlines

Wed 5/289:35 pmLAX - IAD

Nonstop5h 02mUnited Airlines

Deal found 4/21

$234

Tue 9/97:00 amIAD - LAX

1 stop10h 57mHawaiian Airlines

Tue 9/165:15 pmLAX - IAD

1 stop11h 17mHawaiian Airlines

Deal found 4/22

$246

Tue 7/14:15 pmBWI - LAX

1 stop8h 25mSouthwest

Sat 7/127:20 pmLAX - BWI

1 stop6h 55mSouthwest

Deal found 4/20

$257

Wed 5/285:30 pmDCA - LAX

Nonstop5h 46mAmerican Airlines

Sat 5/311:04 pmLAX - DCA

Nonstop4h 56mAmerican Airlines

Deal found 4/22

$258

Wed 5/285:15 pmDCA - LAX

Nonstop5h 40mDelta

Fri 5/308:00 amLAX - DCA

Nonstop5h 05mDelta

Deal found 4/22

$262

Wed 7/26:30 amDCA - LAX

1 stop9h 40mJetBlue

Fri 7/1111:05 amLAX - DCA

1 stop8h 54mJetBlue

Deal found 4/22

$265

Wed 6/1112:40 pmIAD - LAX

1 stop7h 22mSun Country Air

Thu 8/711:55 pmLAX - IAD

1 stop9h 36mSun Country Air

Deal found 4/21

$305

Tue 5/66:00 pmDCA - LAX

1 stop9h 30mFrontier

Sun 5/116:10 amLAX - DCA

1 stop12h 49mFrontier

Deal found 4/22

$208

Last-minute flights from Washington, D.C. to Costa Mesa
Discover last-minute flight deals from Washington, D.C. to Costa Mesa. Data last updated April 22, 2025 and is based on user searches.

Tue 4/296:10 amBWI - LAX

Nonstop5h 53mSpirit Airlines

Tue 5/1311:36 amLAX - BWI

Nonstop5h 03mSpirit Airlines

Deal found 4/22

$154

Tue 4/294:07 pmBWI - LAX

1 stop8h 28mMultiple Airlines

Tue 5/1311:10 pmLAX - BWI

1 stop8h 54mMultiple Airlines

Deal found 4/22

$164

Tue 4/294:07 pmBWI - LAX

1 stop8h 28mFrontier

Wed 5/289:21 pmLAX - BWI

1 stop9h 40mFrontier

Deal found 4/22

$178

Tue 4/298:59 amDCA - LAX

Nonstop5h 58mAlaska Airlines

Tue 4/293:23 pmLAX - DCA

2 stops27h 36mAlaska Airlines

Deal found 4/22

$277

Tue 4/291:00 pmDCA - LAX

1 stop14h 31mMultiple Airlines

Tue 5/1312:58 pmLAX - DCA

Nonstop5h 00mMultiple Airlines

Deal found 4/22

$298

Wed 4/306:00 pmDCA - LAX

1 stop18h 52mFrontier

Sun 5/410:37 amLAX - DCA

1 stop22h 30mFrontier

Deal found 4/22

$210

Wed 4/303:38 pmIAD - LAX

1 stop8h 57mMultiple Airlines

Mon 5/58:00 amLAX - IAD

Nonstop5h 00mMultiple Airlines

Deal found 4/21

$278

Wed 4/308:59 amDCA - LAX

Nonstop5h 58mHawaiian Airlines

Thu 5/297:00 amLAX - DCA

1 stop11h 59mHawaiian Airlines

Deal found 4/22

$402

Wed 4/304:11 pmBWI - LAX

1 stop8h 24mMultiple Airlines

Thu 5/2911:36 amLAX - BWI

Nonstop5h 03mMultiple Airlines

Deal found 4/22

$157

Thu 5/14:00 pmIAD - LAX

1 stop8h 43mFrontier

Tue 5/63:41 pmLAX - IAD

1 stop11h 50mFrontier

Deal found 4/22

$208

Thu 5/15:38 pmIAD - LAX

Nonstop5h 49mAlaska Airlines

Thu 5/110:30 pmLAX - IAD

2 stops16h 29mAlaska Airlines

Deal found 4/22

$277

Thu 5/12:04 pmBWI - LAX

1 stop7h 39mDelta

Wed 5/2810:50 pmLAX - BWI

1 stop7h 20mDelta

Deal found 4/22

$367

One-way flights from Washington, D.C. to Costa Mesa
Search for one-way flight options from Washington, D.C. to Costa Mesa. Find affordable one-way fares based on user searches. Data last updated April 22, 2025.

Sat 5/35:55 amBWI - LAX

1 stop8h 08mSpirit Airlines

Deal found 4/22

$77

Wed 5/73:55 pmBWI - LAX

1 stop8h 40mFrontier

Deal found 4/22

$87

Tue 6/101:00 pmDCA - LAX

1 stop14h 29mFrontier

Deal found 4/21

$112

Wed 5/77:45 amIAD - LAX

1 stop15h 05mFrontier

Deal found 4/22

$112

Mon 8/189:59 amDCA - LAX

Nonstop5h 34mAlaska Airlines

Deal found 4/21

$114

Mon 6/27:25 pmIAD - LAX

Nonstop5h 38mHawaiian Airlines

Deal found 4/22

$114

Wed 6/182:00 pmDCA - LAX

1 stop8h 11mUnited Airlines

Deal found 4/21

$124

Fri 7/117:50 pmIAD - LAX

1 stop7h 15mSouthwest

Deal found 4/21

$124

Wed 5/285:44 pmDCA - LAX

1 stop9h 12mHawaiian Airlines

Deal found 4/22

$128

Tue 5/275:00 amBWI - LAX

1 stop7h 20mAmerican Airlines

Deal found 4/21

$129

Sat 5/177:59 pmIAD - LAX

1 stop14h 35mAlaska Airlines

Deal found 4/21

$134

Sun 9/78:29 amDCA - LAX

Nonstop5h 30mAmerican Airlines

Deal found 4/22

$135

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Costa Mesa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreLos Angeles

BWI - LAX

BWILAX

Baltimore/Washington

Mon 5/12

8:44 pm-11:26 pm

Nonstop5h 42m

Los Angeles

Fri 5/16

11:36 am-7:39 pm

Nonstop5h 03m

$152

BaltimoreLos Angeles

BWI - LAX

BWILAX

Baltimore/Washington

Fri 5/9

8:44 pm-11:26 pm

Nonstop5h 42m

Los Angeles

Fri 5/16

10:35 pm-9:56 am

1 stop8h 21m

$157

BaltimoreLos Angeles

BWI - LAX

BWILAX

Baltimore/Washington

Tue 5/6

10:40 am-5:43 pm

1 stop10h 03m

Los Angeles

Wed 5/7

10:35 pm-9:58 am

1 stop8h 23m

$178

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Fri 5/30

7:25 pm-10:03 pm

Nonstop5h 38m

Los Angeles

Thu 6/12

8:20 am-4:25 pm

Nonstop5h 05m

$207

Washington, D.C.Los Angeles

DCA - LAX

DCALAX

Washington, D.C. Reagan-National

Tue 5/6

6:00 pm-12:30 am

1 stop9h 30m

Los Angeles

Sun 5/11

6:10 am-4:59 pm

1 stop7h 49m

$208

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Thu 5/15

3:32 pm-9:35 pm

1 stop9h 03m

Los Angeles

Wed 5/21

3:41 pm-5:55 am

1 stop11h 14m

$208

Washington, D.C.Los Angeles

DCA - LAX

DCALAX

Washington, D.C. Reagan-National

Wed 5/21

1:00 pm-12:30 am

1 stop14h 30m

Los Angeles

Sat 5/24

12:48 pm-8:59 pm

Nonstop5h 11m

$213

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Sat 5/10

7:45 am-5:48 pm

1 stop13h 03m

Los Angeles

Tue 5/13

8:00 am-4:00 pm

Nonstop5h 00m

$213

Washington, D.C.Los Angeles

DCA - LAX

DCALAX

Washington, D.C. Reagan-National

Tue 9/9

9:00 am-11:29 am

Nonstop5h 29m

Los Angeles

Thu 9/18

12:48 pm-8:59 pm

Nonstop5h 11m

$227

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Tue 6/3

7:25 pm-10:03 pm

Nonstop5h 38m

Los Angeles

Thu 6/12

8:20 am-4:25 pm

Nonstop5h 05m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 52 results

...

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?

The best time to book flights from Washington, D.C. to Costa Mesa is 30 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Costa Mesa (average of $246). Flying from Washington, D.C. to Costa Mesa in June is currently the most expensive (average of $328). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Costa Mesa as you normally would.

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

Travelers seeking maximum savings on their Washington, D.C. to Costa Mesa flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday 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

The most flights from WAS to CM3 are scheduled on a Tuesday (57 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (41 on average).

Rainfall in Costa Mesa by month

In terms of precipitation, rainfall in Costa Mesa ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit Costa Mesa when rainfall is around 0.0 in.

Temperature in Costa Mesa by month

If weather is an important factor for your trip to Costa Mesa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing Costa Mesa

Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Washington, D.C. to Costa Mesa. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,911 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,911 reviews

Alaska Airlines

8.0

Very good

9,911 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Southwest

8.0

Very good

4,287 reviews

Alaska Airlines

8.0

Very good

9,911 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,920 reviews

Alaska Airlines

8.0

Very good

9,911 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Hawaiian Airlines

7.9

Good

2,392 reviews

Alaska Airlines

8.0

Very good

9,911 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,683 reviews

Alaska Airlines

8.0

Very good

9,911 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

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 $77. However, be on the lookout for offers from Frontier and Alaska Airlines, 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 Washington, D.C. Dulles Intl - Los Angeles, Washington, D.C. Reagan-National - Los Angeles or Baltimore/Washington - 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 Iberia (100%), Egyptair (98%) and Ethiopian Air (95%).
What are the cheapest flights from Washington, D.C. to Costa Mesa?
On average you can expect to pay $912 for a flight from Washington, D.C. to Costa Mesa. The cheapest flight overall is $113 while the most popular route, (Washington, D.C. Dulles Intl - Los Angeles) is currently priced at $179.
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, January is the cheapest month in which you can book a flight from Washington, D.C. to Costa Mesa (average of $246). Flying from Washington, D.C. to Costa Mesa in June is currently the most expensive (average of $328). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Washington, D.C. to Costa Mesa

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$74	Average$235	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$89	Average$245	FlexibilityNo cancel fee	On-time62%
Hawaiian Airlines	Cheapest$113	Average$393	FlexibilityNo cancel fee	On-time85%
Delta	Cheapest$119	Average$466	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$156	Average$277	FlexibilityNo cancel fee	On-time62%
Sun Country Air	Cheapest$160	Average$308	FlexibilityNo cancel fee	On-time83%
Alaska Airlines	Cheapest$188	Average$399	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$195	Average$469	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$216	Average$471	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$262	Average$508	FlexibilityNo cancel fee	On-time63%

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$77+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Costa Mesa with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. to Costa Mesa are usually found in September or August, booked 30 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap 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 April 22, 2025.

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

Cheapest flights from Washington, D.C. to Costa MesaExplore 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 April 22, 2025.

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 April 22, 2025.

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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.

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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 April 18, 2025.

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

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 April 22, 2025.

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 March 30, 2025.

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

Rainfall in Costa Mesa by month

Plan your trip to Costa Mesa by taking into account the average rainfall totals by month.

Temperature in Costa Mesa by month

Plan your trip to Costa Mesa by taking into account the average temperature totals by month.

Reviews of airlines servicing Costa Mesa

Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Washington, D.C. to Costa Mesa. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

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

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

How can I 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?

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

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

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Top 10 airlines flying from Washington, D.C. to Costa Mesa

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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 April 22, 2025.