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 $85. However, be on the lookout for offers from Southwest and American 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 $1,195 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 $198.

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 Ethiopian Air (95%), Egyptair (92%) and Virgin Australia (88%).

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 75% 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 $407.

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 $360. You can even find prices in September for less than $360, as users have found deals to Costa Mesa from as low as $120. 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 35%.

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.

$85+ 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

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Cheapflights Tip: The best prices from Washington, D.C. to Costa Mesa are usually found in September or August, booked 80 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

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

Round-trip from	$134 (eDestinos)
One-way from	$85 (FlightHub)
Popular in	December
Cheapest in	September
Average price	$386

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. 8% potential increase in price ($33 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).

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Average for round-trip flights in June 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 June 16, 2025.

Wed 10/18:30 pmBWI - LAX

1 stop16h 38mSpirit Airlines

Thu 10/212:59 pmLAX - BWI

Nonstop5h 03mSpirit Airlines

Deal found 6/15

$125

Thu 10/26:55 pmBWI - LAX

1 stop8h 00mSouthwest

Tue 10/76:25 amLAX - BWI

Nonstop5h 00mSouthwest

Deal found 6/13

$169

Mon 7/147:20 amBWI - LAX

1 stop7h 57mMultiple Airlines

Tue 7/229:41 pmLAX - BWI

Nonstop4h 52mMultiple Airlines

Deal found 6/15

$173

Wed 8/206:20 pmBWI - LAX

1 stop7h 32mAmerican Airlines

Wed 9/37:00 amLAX - BWI

1 stop7h 41mAmerican Airlines

Deal found 6/15

$187

Thu 7/34:31 pmIAD - LAX

1 stop8h 09mFrontier

Thu 7/107:45 pmLAX - IAD

1 stop7h 49mFrontier

Deal found 6/16

$196

Tue 7/16:10 amDCA - LAX

1 stop8h 05mSouthwest

Fri 7/410:50 pmLAX - DCA

1 stop7h 10mSouthwest

Deal found 6/14

$199

Wed 6/2512:31 pmBWI - LAX

1 stop12h 09mFrontier

Sun 6/299:28 pmLAX - BWI

1 stop9h 11mFrontier

Deal found 6/15

$200

Tue 7/11:00 pmDCA - LAX

1 stop14h 29mFrontier

Tue 7/86:15 amLAX - DCA

1 stop12h 42mFrontier

Deal found 6/16

$200

Sat 6/284:16 pmIAD - LAX

1 stop8h 09mMultiple Airlines

Fri 7/48:20 amLAX - IAD

Nonstop5h 05mMultiple Airlines

Deal found 6/15

$224

Fri 7/45:30 pmDCA - LAX

Nonstop5h 32mAmerican Airlines

Mon 7/148:15 amLAX - DCA

Nonstop5h 06mAmerican Airlines

Deal found 6/14

$228

Tue 7/11:00 pmDCA - LAX

1 stop14h 29mMultiple Airlines

Fri 7/41:31 pmLAX - DCA

Nonstop5h 11mMultiple Airlines

Deal found 6/14

$229

Fri 7/45:10 pmDCA - LAX

Nonstop5h 35mDelta

Thu 7/107:59 amLAX - DCA

Nonstop5h 01mDelta

Deal found 6/15

$233

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 June 16, 2025.

Tue 7/88:35 pmBWI - LAX

Nonstop5h 54mSpirit Airlines

Thu 7/179:41 pmLAX - BWI

Nonstop4h 52mSpirit Airlines

Deal found 6/14

$134

Wed 8/2011:20 amBWI - LAX

1 stop8h 10mSouthwest

Tue 8/269:00 pmLAX - BWI

Nonstop5h 00mSouthwest

Deal found 6/14

$169

Mon 7/147:20 amBWI - LAX

1 stop7h 57mMultiple Airlines

Tue 7/229:41 pmLAX - BWI

Nonstop4h 52mMultiple Airlines

Deal found 6/15

$173

Wed 8/206:20 pmBWI - LAX

1 stop7h 32mAmerican Airlines

Wed 9/37:00 amLAX - BWI

1 stop7h 41mAmerican Airlines

Deal found 6/15

$187

Thu 7/34:31 pmIAD - LAX

1 stop8h 09mFrontier

Thu 7/107:45 pmLAX - IAD

1 stop7h 49mFrontier

Deal found 6/16

$196

Fri 7/45:10 pmDCA - LAX

Nonstop5h 35mDelta

Thu 7/107:59 amLAX - DCA

Nonstop5h 01mDelta

Deal found 6/15

$233

Fri 7/45:45 pmIAD - LAX

Nonstop5h 34mUnited Airlines

Tue 7/85:02 pmLAX - IAD

Nonstop4h 57mUnited Airlines

Deal found 6/13

$237

Tue 9/26:30 amDCA - LAX

1 stop8h 30mJetBlue

Thu 9/119:25 pmLAX - DCA

1 stop9h 04mJetBlue

Deal found 6/13

$265

Tue 7/298:59 amDCA - LAX

2 stops15h 25mAlaska Airlines

Tue 8/57:50 pmLAX - DCA

2 stops22h 09mAlaska Airlines

Deal found 6/14

$267

Tue 7/18:19 pmIAD - LAX

Nonstop5h 29mHawaiian Airlines

Fri 7/48:20 amLAX - IAD

Nonstop5h 05mHawaiian Airlines

Deal found 6/15

$268

Sun 7/206:00 amIAD - LAX

1 stop28h 59mSun Country Air

Sun 7/275:44 pmLAX - IAD

1 stop15h 47mSun Country Air

Deal found 6/14

$315

Tue 7/16:10 amDCA - LAX

1 stop8h 05mSouthwest

Fri 7/410:50 pmLAX - DCA

1 stop7h 10mSouthwest

Deal found 6/14

$199

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 June 16, 2025 and is based on user searches.

Sat 6/216:00 pmDCA - LAX

1 stop9h 29mMultiple Airlines

Sat 6/281:31 pmLAX - DCA

Nonstop5h 11mMultiple Airlines

Deal found 6/14

$314

Tue 6/247:00 amDCA - LAX

1 stop20h 29mFrontier

Wed 7/26:15 amLAX - DCA

1 stop12h 44mFrontier

Deal found 6/16

$210

Tue 6/248:20 amDCA - LAX

Nonstop5h 29mAmerican Airlines

Wed 7/212:28 pmLAX - DCA

Nonstop5h 01mAmerican Airlines

Deal found 6/14

$328

Wed 6/256:05 amDCA - LAX

1 stop7h 25mDelta

Mon 6/307:59 amLAX - DCA

Nonstop5h 01mDelta

Deal found 6/14

$348

Wed 6/257:25 amIAD - LAX

2 stops9h 10mSouthwest

Wed 7/29:30 amLAX - IAD

1 stop10h 15mSouthwest

Deal found 6/16

$359

Wed 6/2512:31 pmBWI - LAX

1 stop12h 09mFrontier

Thu 6/261:06 pmLAX - BWI

1 stop8h 20mFrontier

Deal found 6/16

$200

Thu 6/267:20 amBWI - LAX

1 stop7h 56mMultiple Airlines

Mon 7/711:34 amLAX - BWI

Nonstop4h 55mMultiple Airlines

Deal found 6/15

$173

Thu 6/264:31 pmIAD - LAX

1 stop8h 09mFrontier

Sun 6/291:06 pmLAX - IAD

1 stop7h 58mFrontier

Deal found 6/15

$196

Thu 6/267:20 amBWI - LAX

1 stop7h 56mFrontier

Mon 6/301:06 pmLAX - BWI

1 stop8h 20mFrontier

Deal found 6/15

$197

Thu 6/266:00 amBWI - LAX

1 stop11h 15mSpirit Airlines

Mon 7/711:34 amLAX - BWI

Nonstop4h 55mSpirit Airlines

Deal found 6/14

$212

Thu 6/2611:04 amIAD - LAX

1 stop10h 04mMultiple Airlines

Mon 6/308:20 amLAX - IAD

Nonstop5h 05mMultiple Airlines

Deal found 6/15

$254

Thu 6/268:19 pmIAD - LAX

Nonstop5h 29mAlaska Airlines

Mon 6/303:44 pmLAX - IAD

1 stop12h 06mAlaska Airlines

Deal found 6/14

$347

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 June 16, 2025.

Sat 7/196:22 pmBWI - LAX

Nonstop5h 57mSpirit Airlines

Deal found 6/14

$85

Mon 8/256:30 amBWI - LAX

1 stop7h 50mSouthwest

Deal found 6/14

$90

Sun 8/245:02 amBWI - LAX

1 stop6h 53mAmerican Airlines

Deal found 6/15

$94

Wed 7/211:49 amBWI - LAX

1 stop8h 24mFrontier

Deal found 6/16

$100

Sun 8/244:56 pmIAD - LAX

1 stop29h 40mMultiple Airlines

Deal found 6/15

$108

Fri 7/47:00 amIAD - LAX

2 stops13h 20mSouthwest

Deal found 6/14

$110

Sun 6/291:00 pmDCA - LAX

1 stop24h 00mFrontier

Deal found 6/15

$111

Wed 7/167:30 amIAD - LAX

1 stop15h 22mFrontier

Deal found 6/15

$111

Fri 7/45:10 pmDCA - LAX

Nonstop5h 35mDelta

Deal found 6/14

$117

Wed 7/27:00 amIAD - LAX

Nonstop5h 25mUnited Airlines

Deal found 6/15

$119

Sun 8/315:49 pmDCA - LAX

1 stop9h 10mHawaiian Airlines

Deal found 6/14

$128

Tue 9/99:59 amDCA - LAX

2 stops12h 11mAlaska Airlines

Deal found 6/15

$129

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

Tue 7/8

8:35 pm-11:29 pm

Nonstop5h 54m

Los Angeles

Thu 7/17

9:41 pm-5:33 am

Nonstop4h 52m

$134

BaltimoreLos Angeles

BWI - LAX

BWILAX

Baltimore/Washington

Wed 8/20

11:20 am-4:30 pm

1 stop8h 10m

Los Angeles

Tue 8/26

9:00 pm-5:00 am

Nonstop5h 00m

$169

BaltimoreLos Angeles

BWI - LAX

BWILAX

Baltimore/Washington

Mon 7/14

7:20 am-12:17 pm

1 stop7h 57m

Los Angeles

Tue 7/22

9:41 pm-5:33 am

Nonstop4h 52m

$173

BaltimoreLos Angeles

BWI - LAX

BWILAX

Baltimore/Washington

Wed 8/20

6:20 pm-10:52 pm

1 stop7h 32m

Los Angeles

Wed 9/3

7:00 am-5:41 pm

1 stop7h 41m

$187

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Thu 7/3

4:31 pm-9:40 pm

1 stop8h 09m

Los Angeles

Thu 7/10

7:45 pm-6:34 am

1 stop7h 49m

$196

Washington, D.C.Los Angeles

DCA - LAX

DCALAX

Washington, D.C. Reagan-National

Tue 7/1

6:10 am-11:15 am

1 stop8h 05m

Los Angeles

Fri 7/4

10:50 pm-9:00 am

1 stop7h 10m

$199

BaltimoreLos Angeles

BWI - LAX

BWILAX

Baltimore/Washington

Wed 6/25

12:31 pm-9:40 pm

1 stop12h 09m

Los Angeles

Thu 6/26

1:06 pm-12:26 am

1 stop8h 20m

$200

Washington, D.C.Los Angeles

DCA - LAX

DCALAX

Washington, D.C. Reagan-National

Tue 7/8

1:00 pm-12:27 am

1 stop14h 27m

Los Angeles

Tue 7/15

6:15 am-9:57 pm

1 stop12h 42m

$200

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Sat 6/28

4:16 pm-9:25 pm

1 stop8h 09m

Los Angeles

Fri 7/4

8:20 am-4:25 pm

Nonstop5h 05m

$224

Washington, D.C.Los Angeles

DCA - LAX

DCALAX

Washington, D.C. Reagan-National

Fri 7/4

5:30 pm-8:02 pm

Nonstop5h 32m

Los Angeles

Mon 7/14

8:15 am-4:21 pm

Nonstop5h 06m

$228

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 50 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 80 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 March is currently the most expensive (average of $327). 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. Tuesday 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 Monday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (45 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

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,278 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,963 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.9

Good

2,500 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,798 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $85. However, be on the lookout for offers from Southwest and American 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 Ethiopian Air (95%), Egyptair (92%) and Virgin Australia (88%).
What are the cheapest flights from Washington, D.C. to Costa Mesa?
On average you can expect to pay $1,195 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 $198.
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 March is currently the most expensive (average of $327). 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 9 airlines flying from Washington, D.C. to Costa Mesa

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$73	Average$237	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$96	Average$255	FlexibilityNo cancel fee	On-time62%
Hawaiian Airlines	Cheapest$138	Average$370	FlexibilityNo cancel fee	On-time85%
JetBlue	Cheapest$155	Average$277	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$167	Average$442	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$199	Average$413	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$199	Average$460	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$214	Average$468	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$246	Average$484	FlexibilityNo cancel fee	On-time63%

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$85+ 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 7/19. 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 80 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 June 16, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 June 16, 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 June 16, 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 June 13, 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 June 16, 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 December 16, 2024.

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?

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

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

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 9 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 June 16, 2025.