Cheap flights from Washington (WA) to San Diego (SAN)

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How to find the cheapest flight from
Washington to San Diego (SAN)

All the information you need to plan the best null to SAN flight in 2021: compare Washington to San Diego flight prices with the expected peak season, weather and rainfall in San Diego.
How far in advance should I book a flight from Washington to San Diego?

To save on the cost of your flight from Washington to San Diego, book at least 17 days before your planned departure. Booking around this time can save you about 27% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $73 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $98.

What is the cheapest month to fly from Washington to San Diego?

July is one of the best times of the year to fly to San Diego from Washington. Prices for July average $80 per person but you can even find prices for as low as $44. The most expensive prices can be found in the month of December. Opting for a July flight can save you 33% on your journey compared to booking in July

Cheap flights from Washington to San Diego in May, June 2021

The best prices found for Washington to SAN flights for May, June
2 Jun - 5 Jun
$99pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
15 Jun - 18 Jun
$101pp
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
SAN
San Diego
SAN
San Diego
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
14 Jun - 18 Jun
$104pp
BLI
Bellingham
Allegiant Air
Non-Stop
SAN
San Diego
SAN
San Diego
Allegiant Air
Non-Stop
BLI
Bellingham

Washington to San Diego 2021 flight deals

Cheap flights to San Diego from Washington found for this year
2 Jun - 5 Jun
$99pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
15 Jun - 18 Jun
$101pp
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
SAN
San Diego
SAN
San Diego
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
16 Jul - 19 Jul
$102pp
PSC
Pasco Tri Cities
Allegiant Air
Non-Stop
SAN
San Diego
SAN
San Diego
Allegiant Air
Non-Stop
PSC
Pasco Tri Cities

Non-stop flights to San Diego from Washington

Save time with Washington to San Diego direct flight deals
2 Jun - 5 Jun
$99pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
15 Jun - 18 Jun
$101pp
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
SAN
San Diego
SAN
San Diego
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
16 Jul - 19 Jul
$102pp
PSC
Pasco Tri Cities
Allegiant Air
Non-Stop
SAN
San Diego
SAN
San Diego
Allegiant Air
Non-Stop
PSC
Pasco Tri Cities

Last minute flights from Washington to San Diego

Late deals on round-trip flights to San Diego from Washington, departing today and this week
18 May - 19 May
$127pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
18 May - 25 May
$129pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
17 May - 14 Jun
$136pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

One-way flights to San Diego from Washington

The cheapest one-way flights from Washington to San Diego
3:03 pm - 6:41 am
Frontier
1 Stop
15h 38m
GEG - SAN
Frontier
$85
Kiwi.com
5:29 pm - 4:02 pm
Multiple Airlines
1 Stop
22h 33m
SEA - SAN
Multiple Airlines
$87
Kiwi.com
9:15 am - 3:40 pm
Alaska Airlines
1 Stop
6h 25m
PSC - SAN
Alaska Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Washington</span> to <span class="emphasized">San Diego</span> flights.

Flight FAQs

From Washington to San Diego

Are flight prices decreasing from Washington to San Diego due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Washington and San Diego for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Washington to San Diego to control the spread of COVID-19?

New policies can now be found on Alaska Airlines to help keep travelers safe while flying. Some of the new policies that have been implemented to accommodate travelers flying from Washington to San Diego are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Washington to San Diego have flexible cancellations due to COVID-19?

Delta, Alaska Airlines, and United Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

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.

Can I find flights from Washington to San Diego for under $100 on Cheapflights?

Yes, there are multiple flights from Washington to San Diego for under $100. The cheapest flight booked recently is on Alaska Airlines for just $99, but on average you can expect to pay $119.

Are there nonstop flights from Washington to San Diego for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington to San Diego under $100. A good price for a nonstop flight from Washington to San Diego is less than $122.

Are there last-minute flights available from Washington to San Diego for under $200?

There are currently 20+ open flights from Washington to San Diego within the next 7 days for less than $200.

What days are nonstop flights available from Washington to San Diego?

Nonstop flights can be found on the following days: Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

Within the past month, 343 users have taken a look at flights from Washington to San Diego.

What are the most popular airlines that fly from Washington to San Diego?

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

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

Most travelers choose Seattle/Tacoma Intl - San Diego, Everett Paine Field - San Diego or Spokane - San Diego when deciding on the best route from Washington to San Diego.

What are the cheapest Flights from Washington to San Diego?

Looking at all options, your cheapest flight can be booked for $59. While the most popular route (Seattle/Tacoma Intl - San Diego) can be booked for $117 on average our data indicates $307 when flying from Washington to San Diego

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

The top 3 most reliable airlines when flying from Washington to San Diego are KLM (98%), Korean Air (96%) and Virgin Atlantic (94%).

How long is the flight from Washington to San Diego?

A quick flight from Washington to San Diego can take about 2h 22m. Allegiant Air provides one of the quickest options available for as low as $102. Generally, flights for this route are nonstop.

What are the cheapest airlines flying from Washington to San Diego round-trip?

According to our current data, Alaska Airlines ($99), Delta ($101), and Allegiant Air ($102) offers the cheapest pricing from Washington to San Diego.

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

The cheapest airlines for a one-way flight from Washington to San Diego are Alaska Airlines ($41), Allegiant Air ($48), and Spirit Airlines ($53).

Departure points for flights from Washington to San Diego

Select to see more specific information for flights to San Diego from all departure points in Washington.

Destination information for San Diego

Things to know before you go - useful duration and weather info for your trip from Washington to San Diego.
Flight duration
2h 44m
Average temperature for May in San Diego
71.6 °F
Avg rainfall for May in San Diego
0.2 ″

Airports servicing

Seattle King County/Boeing (BFI)
Bellingham (BLI)
Deer Harbor (DHB)
Wenatchee (EAT)
Eastsound Orcas Island (ESD)
Friday Harbor SPB (FBS)

Airports servicing San Diego

Top 9 airlines flying from Washington to San Diego

The chart below displays the airlines Cheapflights users traveling from Washington to San Diego choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
$74 $174 No cancel fee 65%
Frontier
$106 $182 No cancel fee 62%
Allegiant Air
$110 $196 No cancel fee 88%
United Airlines
$67 $203 No cancel fee 69%
Delta
$68 $230 No cancel fee N/A
Southwest
$78 $263 No cancel fee 63%
Endeavor Airlines
$125 $274 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by Endeavor Airlines. Please check directly on their website for additional information.

Alaska Airlines
$68 $274 No cancel fee 75%
American Airlines
$87 $295 No cancel fee 71%
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