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$79+ Cheap flights from Washington 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SAN
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
1 adult, Economy
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Cheap flight deals from Washington to San Diego

Keep the following information in mind while searching for Washington to San Diego flight deals. Data was last updated julio 3, 2025.

Round-trip from

$126
(Mytrip)

One-way from

$79
(Delta)

Popular in

December

Cheapest in

January

Average price

$287

Good round-trip deal

$136 or less

Good one-way deal

$67 or less
From Washington to San Diego
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One-way flight from Washington to San Diego
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Highest demand for flights based on searches. 3% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Washington to San Diego.
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Price to beat on a one-way flight from Washington to San Diego.
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Find flight deals from Washington to San Diego

Cheapest flights from Washington to San Diego
Explore the most affordable flight options available from Washington to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

This Mytrip deal was found by Cheapflights users on 7/3. 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.
vie. 8/19:00 pmBLI - SAN
1 stop12h 55mMultiple Airlines
vie. 8/811:13 amSAN - BLI
Nonstop2h 55mMultiple Airlines
Deal found 7/3$126
This Booking.com deal was found by Cheapflights users on 7/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/87:30 amBLI - SAN
Nonstop2h 53mAllegiant Air
lun. 8/1111:13 amSAN - BLI
Nonstop2h 55mAllegiant Air
Deal found 7/3$128
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/167:00 amPAE - SAN
Nonstop2h 53mAlaska Airlines
mar. 9/236:35 amSAN - PAE
Nonstop3h 12mAlaska Airlines
Deal found 7/2$157
This CheapOair deal was found by Cheapflights users on 7/3. 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.
jue. 7/2410:23 amPDX - SAN
1 stop10h 22mSpirit Airlines
lun. 7/285:13 pmSAN - PDX
1 stop16h 05mSpirit Airlines
Deal found 7/3$165
This FlightHub deal was found by Cheapflights users on 7/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/111:00 amPDX - SAN
1 stop7h 10mMultiple Airlines
dom. 8/316:15 amSAN - PDX
1 stop12h 42mMultiple Airlines
Deal found 7/2$167
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/307:23 amPDX - SAN
Nonstop2h 36mAlaska Airlines
mar. 9/3010:59 amSAN - PDX
Nonstop2h 48mAlaska Airlines
Deal found 7/2$172
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/135:05 amGEG - SAN
1 stop5h 08mDelta
lun. 11/176:55 pmSAN - GEG
1 stop5h 23mDelta
Deal found 7/1$177
This Booking.com deal was found by Cheapflights users on 7/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/87:00 amPAE - SAN
Nonstop2h 53mHawaiian Airlines
sáb. 9/136:35 amSAN - PAE
Nonstop3h 12mHawaiian Airlines
Deal found 7/2$178
This Mytrip deal was found by Cheapflights users on 7/1. 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.
jue. 8/2111:53 amGEG - SAN
1 stop6h 03mMultiple Airlines
dom. 8/246:15 amSAN - GEG
1 stop8h 03mMultiple Airlines
Deal found 7/1$180
This Expedia deal was found by Cheapflights users on 7/3. 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.
jue. 8/75:30 pmSEA - SAN
1 stop5h 36mSpirit Airlines
mar. 8/126:15 amSAN - SEA
1 stop10h 10mSpirit Airlines
Deal found 7/3$182
This Hawaiian Airlines deal was found by Cheapflights users on 7/3. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/257:00 amGEG - SAN
Nonstop2h 52mHawaiian Airlines
lun. 9/16:15 amSAN - GEG
1 stop6h 31mHawaiian Airlines
Deal found 7/3$185
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/137:00 amGEG - SAN
Nonstop2h 47mAlaska Airlines
dom. 8/178:59 pmSAN - GEG
Nonstop2h 45mAlaska Airlines
Deal found 7/1$186

Cheapflights Fare Finder

Customize your flight search to find flights from Washington to San Diego 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 julio 3, 2025.
Use the filters below to find and compare flights from Washington to San Diego that are best for you.

Fly from

Washington

Fly to

San Diego

Route

Depart

Return

Price

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

vie. 8/1

9:00 pm-9:55 am

1 stop12h 55m

San Diego

vie. 8/8

11:13 am-2:08 pm

Nonstop2h 55m

$126

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

vie. 8/8

7:30 am-10:23 am

Nonstop2h 53m

San Diego

lun. 8/11

11:13 am-2:08 pm

Nonstop2h 55m

$128

EverettSan Diego

PAE - SAN

PAESAN

Everett Paine Field

mar. 9/16

7:00 am-9:53 am

Nonstop2h 53m

San Diego

mar. 9/23

6:35 am-9:47 am

Nonstop3h 12m

$157

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

jue. 7/24

10:23 am-8:45 pm

1 stop10h 22m

San Diego

lun. 7/28

5:13 pm-9:18 am

1 stop16h 05m

$165

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

vie. 8/1

11:00 am-6:10 pm

1 stop7h 10m

San Diego

dom. 8/31

6:15 am-6:57 pm

1 stop12h 42m

$167

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

mar. 9/30

7:23 am-9:59 am

Nonstop2h 36m

San Diego

mar. 9/30

10:59 am-1:47 pm

Nonstop2h 48m

$172

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

mié. 7/9

12:25 pm-11:02 pm

1 stop10h 37m

San Diego

vie. 7/11

1:12 pm-6:36 pm

1 stop5h 24m

$174

SpokaneSan Diego

GEG - SAN

GEGSAN

Spokane

jue. 11/13

5:05 am-10:13 am

1 stop5h 08m

San Diego

lun. 11/17

6:55 pm-12:18 am

1 stop5h 23m

$177

EverettSan Diego

PAE - SAN

PAESAN

Everett Paine Field

lun. 9/8

7:00 am-9:53 am

Nonstop2h 53m

San Diego

sáb. 9/13

6:35 am-9:47 am

Nonstop3h 12m

$178

SpokaneSan Diego

GEG - SAN

GEGSAN

Spokane

jue. 8/21

11:53 am-5:56 pm

1 stop6h 03m

San Diego

dom. 8/24

6:15 am-2:18 pm

1 stop8h 03m

$180

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 60 results
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Best time to book a flight from Washington to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Washington 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 to San Diego

What is the cheapest month to book a flight from State of Washington to San Diego?

Currently, August is the cheapest month in which you can book a flight from State of Washington to San Diego (average of $286). Flying from State of Washington to San Diego in March is currently the most expensive (average of $366). 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 WA to SAN?

Find hourly flight availability from Washington 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 julio 3, 2025.

When flying from State of Washington to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from State of Washington to San Diego

Explore weekly flight availability from Washington to San Diego. 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 julio 3, 2025.

The most flights from USWA to SAN are scheduled on a Thursday (65 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (27 on average).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated julio 3, 2025.
Read through reviews of airlines operating flights from Washington to San Diego, such as Alaska Airlines, Southwest, and Delta. 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
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

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

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

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
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

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
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

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

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

  • What airport do you fly into for flights to San Diego from Washington?

    Most people fly into San Diego (SAN) if they book a flight to San Diego from Washington. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

  • How popular is this State of Washington to San Diego flight route?

    Flights from Washington to San Diego have been viewed 59 times in the past calendar month.

  • What are the cheapest airlines to fly from State of Washington to San Diego one-way?

    The cheapest airlines for a one-way flight from State of Washington to San Diego are Delta ($79), Spirit Airlines ($82), and Southwest ($84).

  • What are the most popular routes from State of Washington to San Diego?

    The most popular route from State of Washington to San Diego is Seattle/Tacoma Intl - San Diego. You may also consider Portland - San Diego or Everett Paine Field - San Diego.

  • What are the most reliable airlines from State of Washington to San Diego?

    Before booking your flight to San Diego from State of Washington, check out the most reliable airlines to get you to your destination on time: China Airlines (94%), LATAM Airlines (94%), Scandinavian Airlines( 88%).

  • What are the cheapest flights from State of Washington to San Diego?

    On average you can expect to pay $334 for a flight from State of Washington to San Diego. The cheapest flight overall is $128 while the most popular route, (Seattle/Tacoma Intl - San Diego) is currently priced at $109.

  • Can I find deals for flights from Washington to San Diego that include hotel bookings?

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

  • How can I find direct flights from Washington 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 to San Diego.

  • Can I find deals for business class flights from Washington to San Diego?

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to San Diego?

    Currently, August is the cheapest month in which you can book a flight from State of Washington to San Diego (average of $286). Flying from State of Washington to San Diego in March is currently the most expensive (average of $366). 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

Traveling to a place near Washington?

Book flights to Washington if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
National City
Lemon Grove
Imperial Beach
La Mesa
Poway
Alpine
Santee

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Alternative routes for Washington to San Diego

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Top 9 airlines flying from Washington to San Diego

Discover the top 9 airlines that operate flights from Washington to San Diego. 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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$79Average$162FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$100Average$182FlexibilityNo cancel feeOn-time88%
FrontierCheapest$101Average$202FlexibilityNo cancel feeOn-time62%
DeltaCheapest$117Average$272FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$119Average$308FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$141Average$385FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$156Average$359FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$173Average$386FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$176Average$356FlexibilityNo cancel feeOn-time69%

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