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$56+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SAN
feb. 8 — feb. 151
sáb. 2/8
sáb. 2/15
1 adult, Economy
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Cheap flight deals from Washington to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Washington (USWA) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated febrero 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$139
(Mytrip)

One-way from

$56
(Frontier)

Popular in

December

Cheapest in

September

Average price

$226

Good round-trip deal

$180 or less

Good one-way deal

$78 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-San Diego flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-San Diego flights.
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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. 7% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in February 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 febrero 3, 2025.

This CheapOair deal was found by Cheapflights users on 2/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/287:47 pmSEA - SAN
1 stop13h 14mMultiple Airlines
lun. 3/38:08 pmSAN - SEA
1 stop18h 36mMultiple Airlines
Deal found 2/2$139
This Frontier deal was found by Cheapflights users on 2/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/238:44 pmSEA - SAN
1 stop11h 21mFrontier
mié. 2/268:11 amSAN - SEA
1 stop8h 29mFrontier
Deal found 2/2$140
This Mytrip deal was found by Cheapflights users on 2/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/278:28 pmPDX - SAN
1 stop12h 33mSpirit Airlines
lun. 3/32:56 pmSAN - PDX
2 stops18h 25mSpirit Airlines
Deal found 2/2$145
This Expedia deal was found by Cheapflights users on 2/3. 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.
vie. 2/289:29 pmPDX - SAN
Nonstop2h 30mMultiple Airlines
mar. 3/46:15 amSAN - PDX
1 stop13h 16mMultiple Airlines
Deal found 2/3$146
This Cheapflightsfares deal was found by Cheapflights users on 2/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/912:41 pmSEA - SAN
1 stop11h 03mSpirit Airlines
vie. 3/146:15 amSAN - SEA
1 stop5h 31mSpirit Airlines
Deal found 2/1$147
This Frontier deal was found by Cheapflights users on 2/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/29:51 pmPDX - SAN
1 stop9h 41mFrontier
dom. 5/46:25 amSAN - PDX
1 stop9h 17mFrontier
Deal found 2/2$149
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/245:00 amGEG - SAN
1 stop5h 24mDelta
lun. 3/1011:05 amSAN - GEG
1 stop7h 39mDelta
Deal found 2/3$157
This Trip.com deal was found by Cheapflights users on 2/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/57:50 pmSEA - SAN
Nonstop2h 47mAlaska Airlines
mar. 3/189:35 amSAN - SEA
Nonstop3h 09mAlaska Airlines
Deal found 2/3$171
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/1811:35 amGEG - SAN
1 stop3h 55mSouthwest
lun. 3/247:05 amSAN - GEG
1 stop5h 10mSouthwest
Deal found 2/2$172
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/2511:40 amSEA - SAN
Nonstop2h 56mDelta
mar. 3/256:58 pmSAN - SEA
Nonstop3h 12mDelta
Deal found 2/3$177
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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.
mié. 2/269:29 pmPDX - SAN
Nonstop2h 30mAlaska Airlines
mar. 3/47:20 amSAN - PDX
Nonstop2h 45mAlaska Airlines
Deal found 2/2$177
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/27:25 amGEG - SAN
Nonstop2h 55mAlaska Airlines
mar. 3/48:33 pmSAN - GEG
Nonstop2h 54mAlaska Airlines
Deal found 2/3$183

Find flights from Washington to San Diego within your budget

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 febrero 3, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

vie. 2/28

7:47 pm-9:01 am

1 stop13h 14m

San Diego

lun. 3/3

8:08 pm-2:44 pm

1 stop18h 36m

$139

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

dom. 2/23

8:44 pm-8:05 am

1 stop11h 21m

San Diego

sáb. 3/1

6:25 am-12:46 pm

1 stop6h 21m

$140

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

jue. 2/27

8:28 pm-9:01 am

1 stop12h 33m

San Diego

lun. 3/3

2:56 pm-9:21 am

2 stops18h 25m

$145

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

vie. 2/28

9:29 pm-11:59 pm

Nonstop2h 30m

San Diego

mar. 3/4

6:15 am-7:31 pm

1 stop13h 16m

$146

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

dom. 3/9

12:41 pm-11:44 pm

1 stop11h 03m

San Diego

vie. 3/14

6:15 am-11:46 am

1 stop5h 31m

$147

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

vie. 5/2

9:51 pm-7:32 am

1 stop9h 41m

San Diego

dom. 5/4

6:25 am-3:42 pm

1 stop9h 17m

$149

SpokaneSan Diego

GEG - SAN

GEGSAN

Spokane

lun. 2/24

5:00 am-10:24 am

1 stop5h 24m

San Diego

lun. 3/10

11:05 am-6:44 pm

1 stop7h 39m

$157

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

mié. 3/5

7:50 pm-10:37 pm

Nonstop2h 47m

San Diego

mar. 3/18

9:35 am-12:44 pm

Nonstop3h 09m

$171

SpokaneSan Diego

GEG - SAN

GEGSAN

Spokane

mar. 3/18

11:35 am-3:30 pm

1 stop3h 55m

San Diego

lun. 3/24

7:05 am-12:15 pm

1 stop5h 10m

$172

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

mar. 3/25

11:40 am-2:36 pm

Nonstop2h 56m

San Diego

mar. 3/25

6:58 pm-10:10 pm

Nonstop3h 12m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

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.

Travel insights for flights from Washington to San Diego

Get recent, data-driven insights about flights from Washington to San Diego including ideal travel times, pricing trends, and more.

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 febrero 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 febrero 3, 2025.

The most flights from USWA to SAN are scheduled on a Thursday (53 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (33 on average).

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

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.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

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).

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 febrero 3, 2025.
Read through reviews of airlines operating flights from Washington to San Diego, such as Southwest, Alaska Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,564 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,564 reviews
Southwest
8.1
Very good
4,564 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,681 reviews
Southwest
8.1
Very good
4,564 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,415 reviews
Southwest
8.1
Very good
4,564 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,892 reviews
Southwest
8.1
Very good
4,564 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Allegiant Air
7.3
Good
785 reviews
Southwest
8.1
Very good
4,564 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

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 61 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 Frontier ($56), Spirit Airlines ($63), and Alaska Airlines ($78).

  • 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 Everett Paine Field - San Diego or Portland - 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: Horizon Air (92%), ITA Airways (90%), British Airways( 88%).

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

    On average you can expect to pay $382 for a flight from State of Washington to San Diego. The cheapest flight overall is $68 while the most popular route, (Seattle/Tacoma Intl - San Diego) is currently priced at $92.

  • 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
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

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Alternative routes for Washington to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Washington to San Diego

Discover the top 8 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 febrero 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$79Average$166FlexibilityNo cancel feeOn-time65%
FrontierCheapest$92Average$190FlexibilityNo cancel feeOn-time62%
DeltaCheapest$97Average$280FlexibilityNo cancel feeOn-timeN/A
Allegiant AirCheapest$126Average$164FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$142Average$407FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$156Average$406FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$173Average$364FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$176Average$369FlexibilityNo cancel feeOn-time69%
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