How long is the flight from Washington, D.C. to San Diego?

Southwest, Delta, and Alaska Airlines can get you from Washington, D.C. to San Diego in just under 5h 35m. Your travel time can differ by up to 6h 48m. Airlines will cover a distance of 2289 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Washington, D.C. to San Diego round-trip?

According to our current data, Frontier ($130), Hawaiian Airlines ($204), and Alaska Airlines ($228) offers the cheapest pricing from Washington, D.C. to San Diego. Frontier is 69% cheaper than the average price of flights available within the next 90 days to this destination.

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

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $85. However, be on the lookout for offers from Southwest and United Airlines, as they are both options that can get you from Washington, D.C. to San Diego for a low price.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

What are the most popular routes from Washington, D.C. to San Diego?

The most popular route from Washington, D.C. to San Diego is Washington, D.C. Dulles Intl - San Diego. You may also consider Washington, D.C. Reagan-National - San Diego or Baltimore/Washington - San Diego.

What are the cheapest flights from Washington, D.C. to San Diego?

The cheapest flight price from Washington, D.C. to San Diego is $178. On average you can expect to pay $1,081. The most popular route, (Washington, D.C. Dulles Intl - San Diego), can usually be booked for $278.

What are the most reliable airlines from Washington, D.C. to San Diego?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. to San Diego on time: Ethiopian Air (83%), United Airlines (82%), Alaska Airlines (82%).

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

When booking a flight from Washington, D.C. to San Diego, you may want to consider flying on United Airlines, Alaska Airlines or American Airlines as they are the most popular for this route.

Most accurate provider : When it comes to deals on Washington, D.C.-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-San Diego flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C.-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to San Diego from Washington, D.C.?

Most people fly into San Diego (SAN) if they book a flight to San Diego from Washington, D.C.. On average, San Diego has 8 inbound flights from Washington, D.C. per day from 8 airlines. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

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

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

How can I find direct flights from Washington, D.C. to San Diego?

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 San Diego.

Can I find deals for business class flights from Washington, D.C. to San Diego?

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

$114+ Cheap Flights from Washington, D.C. to San Diego

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Cheapflights Tip: The best prices from Washington, D.C. to San Diego are usually found in January or February, booked 89 days in advance, depart on a Saturday or Wednesday and return on a Friday

Cheap flight deals from Washington, D.C. to San Diego

Cheapest

Best

Last-minute

One-way

Cheapest flights from Washington, D.C. to San Diego
Explore the most affordable flight options available from Washington, D.C. to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.

Mon 9/216:22 pm -

2 stops24h 37m

Mon 9/286:45 pm -

1 stop13h 55m

Deal found 8/22

$261

Tue 9/229:25 pm -

2 stops21h 34m

Mon 9/286:45 pm -

1 stop13h 55m

Deal found 8/23

$262

Tue 9/296:38 am -

2 stops20h 13m

Mon 10/56:45 pm -

1 stop13h 55m

Deal found 8/24

$273

Wed 10/2811:07 am -

1 stop25h 00m

Tue 11/36:25 am -

2 stops24h 25m

Deal found 8/24

$276

Thu 9/241:29 pm -

1 stop7h 31m

Mon 9/286:45 pm -

1 stop13h 55m

Deal found 8/24

$278

Mon 9/219:25 pm -

2 stops21h 34m

Mon 10/56:45 pm -

1 stop13h 55m

Deal found 8/25

$283

Wed 11/411:07 am -

1 stop25h 00m

Mon 11/94:53 pm -

2 stops28h 29m

Deal found 8/21

$285

Wed 9/2310:22 am -

2 stops16h 29m

Fri 9/256:45 pm -

1 stop13h 55m

Deal found 8/25

$290

Fri 9/116:22 pm -

2 stops24h 36m

Mon 9/146:45 pm -

1 stop13h 55m

Deal found 8/21

$291

Fri 9/116:00 am -

1 stop17h 17m

Fri 9/186:45 pm -

1 stop13h 48m

Deal found 8/22

$333

Sun 9/207:00 am -

1 stop11h 59m

Thu 9/246:25 am -

1 stop12h 34m

Deal found 8/23

$333

Mon 9/2112:30 pm -

1 stop8h 30m

Sat 9/265:54 pm -

1 stop9h 26m

Deal found 8/23

$334

Best flights from Washington, D.C. to San Diego
Discover carefully curated flight deals from Washington, D.C. to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.

Tue 10/136:20 am -

Nonstop5h 35m

Wed 10/216:30 am -

2 stops8h 00m

Deal found 8/25

$308

Sat 9/266:15 am -

1 stop10h 03m

Sat 9/2610:30 pm -

1 stop7h 46m

Deal found 8/23

$317

Wed 9/237:50 am -

1 stop12h 23m

Tue 9/293:50 pm -

1 stop11h 40m

Deal found 8/22

$317

Mon 10/265:50 pm -

Nonstop5h 43m

Sat 10/312:08 pm -

1 stop7h 22m

Deal found 8/25

$353

Tue 11/36:20 pm -

Nonstop5h 35m

Sat 11/77:00 am -

2 stops9h 10m

Deal found 8/25

$312

Wed 9/237:47 pm -

Nonstop5h 24m

Sat 9/2610:04 am -

Nonstop5h 10m

Deal found 8/22

$337

Wed 9/307:25 am -

1 stop11h 02m

Sat 10/36:15 am -

1 stop7h 15m

Deal found 8/23

$337

Tue 9/226:00 pm -

Nonstop5h 29m

Tue 9/299:45 pm -

Nonstop4h 56m

Deal found 8/25

$367

Fri 9/258:30 pm -

Nonstop5h 20m

Tue 9/2910:40 pm -

1 stop7h 35m

Deal found 8/21

$337

Wed 12/910:59 am -

Nonstop5h 24m

Sat 12/1212:39 pm -

Nonstop5h 21m

Deal found 8/23

$357

Tue 11/105:50 pm -

Nonstop5h 43m

Sun 11/156:30 pm -

1 stop7h 49m

Deal found 8/22

$367

Fri 9/188:30 pm -

Nonstop5h 20m

Tue 9/227:00 pm -

1 stop8h 35m

Deal found 8/25

$337

Tue 10/67:24 pm -

Nonstop5h 29m

Tue 10/1311:10 am -

1 stop9h 49m

Deal found 8/21

$367

Thu 11/126:00 am -

1 stop7h 29m

Sun 11/156:15 am -

1 stop6h 44m

Deal found 8/23

$407

Tue 9/293:40 pm -

1 stop8h 00m

Fri 10/26:45 am -

Nonstop5h 00m

Deal found 8/25

$337

Wed 10/217:24 pm -

Nonstop5h 29m

Mon 10/269:20 am -

1 stop11h 39m

Deal found 8/20

$367

Fri 11/66:05 am -

1 stop7h 15m

Mon 11/96:15 am -

1 stop7h 11m

Deal found 8/25

$407

Mon 11/97:05 am -

2 stops8h 55m

Wed 11/116:35 am -

Nonstop4h 45m

Deal found 8/24

$338

Thu 10/2911:45 am -

1 stop8h 05m

Tue 11/36:30 am -

2 stops7h 55m

Deal found 8/24

$348

Wed 10/2810:59 am -

Nonstop5h 38m

Tue 11/37:40 am -

1 stop11h 19m

Deal found 8/24

$387

Tue 11/103:35 pm -

1 stop10h 45m

Tue 11/1712:10 pm -

2 stops8h 40m

Deal found 8/22

$348

Sat 11/76:46 pm -

Nonstop5h 41m

Sun 11/159:41 am -

Nonstop4h 59m

Deal found 8/22

$389

Fri 9/114:15 pm -

2 stops8h 10m

Wed 9/166:20 am -

1 stop7h 45m

Deal found 8/21

$352

Fri 11/136:46 pm -

Nonstop5h 41m

Mon 11/169:41 am -

Nonstop4h 59m

Deal found 8/23

$397

Fri 10/236:10 am -

Nonstop5h 35m

Mon 10/2610:40 pm -

1 stop6h 55m

Deal found 8/21

$367

Sat 9/1210:59 am -

Nonstop5h 38m

Tue 9/1512:46 pm -

Nonstop5h 14m

Deal found 8/21

$427

Tue 9/153:40 pm -

1 stop8h 10m

Wed 9/3010:40 pm -

Nonstop4h 55m

Deal found 8/25

$367

Sat 10/1010:59 am -

Nonstop5h 38m

Sat 10/1712:45 pm -

Nonstop5h 15m

Deal found 8/25

$432

Tue 11/2410:59 am -

Nonstop6h 02m

Fri 11/271:06 pm -

Nonstop4h 54m

Deal found 8/23

$467

Thu 11/124:25 pm -

2 stops8h 50m

Mon 11/1612:10 pm -

2 stops8h 40m

Deal found 8/24

$427

Last-minute flights from Washington, D.C. to San Diego
Discover last-minute flight deals from Washington, D.C. to San Diego. Data last updated August 26, 2026 and is based on user searches.

Fri 9/116:22 pm -

2 stops24h 36m

Mon 9/146:45 pm -

1 stop13h 55m

Deal found 8/21

$291

Fri 9/116:00 am -

1 stop17h 17m

Fri 9/186:45 pm -

1 stop13h 48m

Deal found 8/22

$333

Mon 9/146:00 pm -

2 stops18h 43m

Fri 9/186:25 am -

1 stop7h 34m

Deal found 8/23

$334

Sun 9/207:00 am -

1 stop11h 59m

Thu 9/246:25 am -

1 stop12h 34m

Deal found 8/23

$333

Mon 9/216:22 pm -

2 stops24h 37m

Mon 9/286:45 pm -

1 stop13h 55m

Deal found 8/22

$261

Mon 9/219:25 pm -

2 stops21h 34m

Mon 10/56:45 pm -

1 stop13h 55m

Deal found 8/25

$283

Mon 9/2112:30 pm -

1 stop8h 30m

Sat 9/265:54 pm -

1 stop9h 26m

Deal found 8/23

$334

Tue 9/229:25 pm -

2 stops21h 34m

Mon 9/286:45 pm -

1 stop13h 55m

Deal found 8/23

$262

Wed 9/2310:22 am -

2 stops16h 29m

Fri 9/256:45 pm -

1 stop13h 55m

Deal found 8/25

$290

Thu 9/241:29 pm -

1 stop7h 31m

Mon 9/286:45 pm -

1 stop13h 55m

Deal found 8/21

$278

Sat 9/262:20 pm -

Nonstop5h 15m

Sat 10/39:50 pm -

Nonstop4h 55m

Deal found 8/25

$297

Tue 9/296:38 am -

2 stops20h 13m

Mon 10/56:45 pm -

1 stop13h 55m

Deal found 8/24

$273

One-way flights from Washington, D.C. to San Diego
Search for one-way flight options from Washington, D.C. to San Diego. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.

Mon 10/56:22 pm -

2 stops24h 37m

Deal found 8/24

$114

Mon 10/126:25 pm -

2 stops32h 31m

Deal found 8/21

$116

Tue 10/610:22 am -

2 stops32h 37m

Deal found 8/23

$117

Mon 9/216:22 pm -

2 stops32h 29m

Deal found 8/23

$118

Tue 9/226:38 am -

2 stops36h 21m

Deal found 8/21

$119

Wed 9/2310:22 am -

2 stops16h 29m

Deal found 8/21

$120

Tue 10/2010:22 am -

2 stops40h 34m

Deal found 8/21

$122

Mon 9/1410:20 am -

2 stops32h 39m

Deal found 8/23

$124

Mon 10/199:12 pm -

2 stops29h 44m

Deal found 8/21

$126

Tue 9/1510:22 am -

2 stops32h 37m

Deal found 8/23

$128

Thu 10/157:24 pm -

Nonstop5h 29m

Deal found 8/24

$184

Sat 9/126:00 pm -

1 stop8h 51m

Deal found 8/24

$186

Find flight deals from Washington, D.C. to San Diego

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$261 (Kiwi.com)
One-way from	$114 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$442
Good round-trip deal	$366 or less
Good one-way deal	$189 or less

Provider with most accurate pricing for Washington, D.C. (WAS)-San Diego flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-San Diego flights.

Search Deals

From Washington, D.C. (WAS) to San Diego

Search Deals

One-way flight from Washington, D.C. (WAS) to San Diego

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($52 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Price to beat on a round-trip flight from Washington, D.C. (WAS) to San Diego.

Search Deals

Price to beat on a one-way flight from Washington, D.C. (WAS) to San Diego.

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreSan Diego

BWI Baltimore/Washington - SAN San Diego

BWISAN

Baltimore/Washington

Tue 10/13

6:20 am-8:55 am

Nonstop5h 35m

San Diego

Wed 10/21

6:30 am-5:30 pm

2 stops8h 00m

$308

BaltimoreSan Diego

BWI Baltimore/Washington - SAN San Diego

BWISAN

Baltimore/Washington

Tue 11/3

6:20 pm-8:55 pm

Nonstop5h 35m

San Diego

Sat 11/7

7:00 am-7:10 pm

2 stops9h 10m

$312

BaltimoreSan Diego

BWI Baltimore/Washington - SAN San Diego

BWISAN

Baltimore/Washington

Sat 9/26

6:15 am-1:18 pm

1 stop10h 03m

San Diego

Sat 9/26

10:30 pm-9:16 am

1 stop7h 46m

$317

BaltimoreSan Diego

BWI Baltimore/Washington - SAN San Diego

BWISAN

Baltimore/Washington

Wed 9/23

7:50 am-5:13 pm

1 stop12h 23m

San Diego

Tue 9/29

3:50 pm-6:30 am

1 stop11h 40m

$317

Washington, D.C.San Diego

IAD Washington, D.C. Dulles Intl - SAN San Diego

IADSAN

Washington, D.C. Dulles Intl

Wed 9/23

7:47 pm-10:11 pm

Nonstop5h 24m

San Diego

Sat 9/26

10:04 am-6:14 pm

Nonstop5h 10m

$337

Washington, D.C.San Diego

IAD Washington, D.C. Dulles Intl - SAN San Diego

IADSAN

Washington, D.C. Dulles Intl

Wed 9/30

7:25 am-3:27 pm

1 stop11h 02m

San Diego

Sat 10/3

6:15 am-4:30 pm

1 stop7h 15m

$337

BaltimoreSan Diego

BWI Baltimore/Washington - SAN San Diego

BWISAN

Baltimore/Washington

Fri 9/25

8:30 pm-10:50 pm

Nonstop5h 20m

San Diego

Tue 9/29

10:40 pm-9:15 am

1 stop7h 35m

$337

BaltimoreSan Diego

BWI Baltimore/Washington - SAN San Diego

BWISAN

Baltimore/Washington

Fri 9/18

8:30 pm-10:50 pm

Nonstop5h 20m

San Diego

Tue 9/22

7:00 pm-6:35 am

1 stop8h 35m

$337

BaltimoreSan Diego

BWI Baltimore/Washington - SAN San Diego

BWISAN

Baltimore/Washington

Tue 9/29

3:40 pm-8:40 pm

1 stop8h 00m

San Diego

Fri 10/2

6:45 am-2:45 pm

Nonstop5h 00m

$337

BaltimoreSan Diego

BWI Baltimore/Washington - SAN San Diego

BWISAN

Baltimore/Washington

Mon 11/9

7:05 am-1:00 pm

2 stops8h 55m

San Diego

Wed 11/11

6:35 am-2:20 pm

Nonstop4h 45m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/22

Showing 1-10 of 60 resultsSorted by cheapest first

...

Compare providers for flights from Washington, D.C. to San Diego

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to San Diego in August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star
eDreams	Price Accuracy2 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
CheapTicketsDeal	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C.-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-San Diego flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C.-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Washington, D.C. with our price prediction graph.

WAS-SAN

BWI-SAN

IAD-SAN

DCA-SAN

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 San Diego

WAS-SAN

BWI-SAN

IAD-SAN

DCA-SAN

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to San Diego (average of $329). Flying from Washington, D.C. to San Diego in June is currently the most expensive (average of $513). 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 SAN?

One of the essential ways to save on airfare from Washington, D.C. to San Diego is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 32% on airfare.

Weekly flight availability from Washington, D.C. to San Diego

The most flights from WAS to SAN are scheduled on a Monday (13 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (7 on average).

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

Airfare is below average for this route at the moment.

Washington, D.C. to San Diego flights typically cost between $376 and $524 in September.
The cheapest round-trip price found within the last 5 days was $261 on Frontier (Sep 21-Sep 28).

What’s the top layover airport for flights from Washington, D.C. to San Diego?

Las Vegas (LAS) – chosen by Cheapflights users on 57% of 1-stop itineraries from Washington, D.C. to San Diego on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. to San Diego?

Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $283.

What’s the fastest layover option from Washington, D.C. to San Diego?

Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 7h 05m.

Which airport typically offers the quickest layover for flights from Washington, D.C. to San Diego?

Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 00m.

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

The price you pay for your flight from Washington, D.C. to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 88 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest day to fly from Washington, D.C. to San Diego?

Travelers seeking maximum savings on their Washington, D.C. to San Diego flight should consider departing on Saturday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Washington, D.C. to San Diego flights

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to San Diego trip

Our travel experts

Blane Bachelor

Expert on SAN

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read through reviews of airlines operating flights from Washington, D.C. to San Diego, such as Southwest,Alaska Airlines, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,204 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Southwest

8.0

Very good

4,204 reviews

Southwest

8.0

Very good

4,204 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Alaska Airlines

7.9

Good

12,841 reviews

Southwest

8.0

Very good

4,204 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

United Airlines

7.4

Good

10,123 reviews

Southwest

8.0

Very good

4,204 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

American Airlines

7.1

Good

11,995 reviews

Southwest

8.0

Very good

4,204 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Frontier

5.6

Fair

2,647 reviews

Southwest

8.0

Very good

4,204 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Related info for your journey

What airport do you fly into for flights to San Diego from Washington, D.C.?
Most people fly into San Diego (SAN) if they book a flight to San Diego from Washington, D.C.. On average, San Diego has 8 inbound flights from Washington, D.C. per day from 8 airlines. San Diego is conveniently located just 2.6 mi from San Diego’s city center.
How long is the flight from Washington, D.C. to San Diego?
Southwest, Delta, and Alaska Airlines can get you from Washington, D.C. to San Diego in just under 5h 35m. Your travel time can differ by up to 6h 48m. Airlines will cover a distance of 2289 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Washington, D.C. to San Diego round-trip?
According to our current data, Frontier ($130), Hawaiian Airlines ($204), and Alaska Airlines ($228) offers the cheapest pricing from Washington, D.C. to San Diego. Frontier is 69% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Washington, D.C. to San Diego one-way?
The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $85. However, be on the lookout for offers from Southwest and United Airlines, as they are both options that can get you from Washington, D.C. to San Diego for a low price.
What are the most popular routes from Washington, D.C. to San Diego?
The most popular route from Washington, D.C. to San Diego is Washington, D.C. Dulles Intl - San Diego. You may also consider Washington, D.C. Reagan-National - San Diego or Baltimore/Washington - San Diego.
What are the most reliable airlines from Washington, D.C. to San Diego?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. to San Diego on time: Ethiopian Air (83%), United Airlines (82%), Alaska Airlines (82%).
What are the cheapest flights from Washington, D.C. to San Diego?
The cheapest flight price from Washington, D.C. to San Diego is $178. On average you can expect to pay $1,081. The most popular route, (Washington, D.C. Dulles Intl - San Diego), can usually be booked for $278.
Can I find deals for flights from Washington, D.C. to San Diego that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to San Diego?
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 San Diego.
Can I find deals for business class flights from Washington, D.C. to San Diego?
Yes. Cheapflights offers flight deals from Washington, D.C. to San Diego 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 San Diego?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to San Diego (average of $329). Flying from Washington, D.C. to San Diego in June is currently the most expensive (average of $513). 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.

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Top 8 airlines flying from Washington, D.C. to San Diego

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$129	Average$286	FlexibilityNo cancel fee	On-time62%
Alaska Airlines	Cheapest$186	Average$400	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$199	Average$493	FlexibilityNo cancel fee	On-timeN/A
Hawaiian Airlines	Cheapest$204	Average$358	FlexibilityNo cancel fee	On-time85%
United Airlines	Cheapest$246	Average$435	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$250	Average$458	FlexibilityNo cancel fee	On-time71%
JetBlue	Cheapest$255	Average$379	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$257	Average$411	FlexibilityNo cancel fee	On-time63%

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$114+ Cheap flights from Washington, D.C. (WAS) to San Diego (SAN)

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Washington, D.C. to San Diego

Cheapest flights from Washington, D.C. to San DiegoExplore the most affordable flight options available from Washington, D.C. to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.

Explore the most affordable flight options available from Washington, D.C. to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.

Best flights from Washington, D.C. to San DiegoDiscover carefully curated flight deals from Washington, D.C. to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.

Discover carefully curated flight deals from Washington, D.C. to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.

Last-minute flights from Washington, D.C. to San DiegoDiscover last-minute flight deals from Washington, D.C. to San Diego. Data last updated August 26, 2026 and is based on user searches.

Discover last-minute flight deals from Washington, D.C. to San Diego. Data last updated August 26, 2026 and is based on user searches.

One-way flights from Washington, D.C. to San DiegoSearch for one-way flight options from Washington, D.C. to San Diego. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.

Search for one-way flight options from Washington, D.C. to San Diego. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.

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Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to San Diego in August.

Best time to book a flight from Washington, D.C. to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Washington, D.C. with our price prediction graph.

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

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

Find hourly flight availability from Washington, D.C. to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 26, 2026.

One of the essential ways to save on airfare from Washington, D.C. to San Diego is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 32% on airfare.

Weekly flight availability from Washington, D.C. to San Diego

The most flights from WAS to SAN are scheduled on a Monday (13 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (7 on average).

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

Airfare is below average for this route at the moment.

Washington, D.C. to San Diego flights typically cost between $376 and $524 in September.The cheapest round-trip price found within the last 5 days was $261 on Frontier (Sep 21-Sep 28).

What’s the top layover airport for flights from Washington, D.C. to San Diego?

Share of 1-stop round-trip flights from Washington, D.C. to San Diego chosen by Cheapflights users in the past 12 months, using the same layover each way.

Las Vegas (LAS) – chosen by Cheapflights users on 57% of 1-stop itineraries from Washington, D.C. to San Diego on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. to San Diego?

Average round-trip fare for 1-stop flights from Washington, D.C. to San Diego, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $283.

What’s the fastest layover option from Washington, D.C. to San Diego?

Shortest average travel time for 1-stop one-way flights from Washington, D.C. to San Diego, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 7h 05m.

Which airport typically offers the quickest layover for flights from Washington, D.C. to San Diego?

Average layover duration for 1-stop one-way flights from Washington, D.C. to San Diego, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 00m.

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

The price you pay for your flight from Washington, D.C. to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 88 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest day to fly from Washington, D.C. to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to San Diego. Price data was last updated on August 22, 2026.

Travelers seeking maximum savings on their Washington, D.C. to San Diego flight should consider departing on Saturday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Washington, D.C. to San Diego flights

AI-powered summary based on content written by travel experts. AI can make mistakes.

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to San Diego trip

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Reviews of airlines servicing San Diego

Read through reviews of airlines operating flights from Washington, D.C. to San Diego, such as Southwest,Alaska Airlines, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to San Diego from Washington, D.C.?

How long is the flight from Washington, D.C. to San Diego?

What are the cheapest airlines flying from Washington, D.C. to San Diego round-trip?

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

What are the most popular routes from Washington, D.C. to San Diego?

What are the most reliable airlines from Washington, D.C. to San Diego?

What are the cheapest flights from Washington, D.C. to San Diego?

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

How can I find direct flights from Washington, D.C. to San Diego?

Can I find deals for business class flights from Washington, D.C. to San Diego?

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

Traveling to a place near San Diego?

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Cheapest flights from Washington, D.C. to San Diego
Explore the most affordable flight options available from Washington, D.C. to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.

Best flights from Washington, D.C. to San Diego
Discover carefully curated flight deals from Washington, D.C. to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.

Last-minute flights from Washington, D.C. to San Diego
Discover last-minute flight deals from Washington, D.C. to San Diego. Data last updated August 26, 2026 and is based on user searches.

One-way flights from Washington, D.C. to San Diego
Search for one-way flight options from Washington, D.C. to San Diego. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.

Washington, D.C. to San Diego flights typically cost between $376 and $524 in September.
The cheapest round-trip price found within the last 5 days was $261 on Frontier (Sep 21-Sep 28).