Cheap flights from Washington to San Diego (WAS - SAN)

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The best prices from Washington to San Diego are usually found in August or July, booked 16 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

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

All the information you need to plan the best WAS to SAN flight in 2021: compare Washington to San Diego flight prices with the expected peak season, weather and rainfall in San Diego.
WAS - SAN
Price
$235 - $501
SAN
Temperature
57.2 - 71.6 °F
SAN
Precipitation
0 - 2.3 inches

Popular in

December

High demand for flights, 23% potential price rise

Cheapest in

August

Best time to find cheap flights, 39% potential price drop

Round-trip from

£235

From Washington All airports (WAS) to San Diego

One-way from

$72

One-way flight from Washington All airports (WAS) to San Diego

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Washington to San Diego?

Travelers have found that booking a Monday departure is the best way to save up to 13% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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 15 days before your planned departure. Booking around this time can save you about 3% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $378 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $397.

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

The best pricing can be found in the month of August. Prices to San Diego from Washington average $387. You can even find prices in August for less than $387, as users have found deals to San Diego from as low as $109. The month of December appears to be one of the more expensive times to travel to San Diego from Washington. Flying in the targeted month can save you up to 29%.

When is the cheapest time to fly from Washington to San Diego (WAS - SAN)?

One of the essential ways to save on airfare from Washington to San Diego is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 49% on airfare.

Cheap flights from Washington to San Diego in September, October 2021

The best prices found for WAS to SAN flights for September, October
2 Oct - 6 Oct
$91pp
BWI
Baltimore/Washington
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
BWI
Baltimore/Washington
13 Oct - 16 Oct
$94pp
BWI
Baltimore/Washington
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
BWI
Baltimore/Washington
5 Oct - 9 Oct
$98pp
BWI
Baltimore/Washington
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
BWI
Baltimore/Washington

Washington to San Diego 2021 flight deals

Cheap flights to San Diego from Washington found for this year
9 Nov - 13 Nov
$77pp
BWI
Baltimore/Washington
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
BWI
Baltimore/Washington
6 Nov - 16 Nov
$88pp
BWI
Baltimore/Washington
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
BWI
Baltimore/Washington
2 Oct - 6 Oct
$91pp
BWI
Baltimore/Washington
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
BWI
Baltimore/Washington

Non-stop flights to San Diego from Washington

Save time with Washington to San Diego direct flight deals
15 Feb - 15 Feb
$280pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
United Airlines
Non-Stop
IAD
Washington Dulles Intl
27 Oct - 1 Nov
$284pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
United Airlines
Non-Stop
IAD
Washington Dulles Intl
2 Nov - 8 Nov
$285pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
United Airlines
Non-Stop
IAD
Washington Dulles Intl

Last minute flights from Washington to San Diego

Late deals on round-trip flights to San Diego from Washington, departing today and this week
29 Sep - 4 Oct
$101pp
BWI
Baltimore/Washington
Spirit Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Spirit Airlines
   
2 STOPS
BWI
Baltimore/Washington
29 Sep - 2 Oct
$111pp
BWI
Baltimore/Washington
Spirit Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Spirit Airlines
   
2 STOPS
BWI
Baltimore/Washington
30 Sep - 4 Oct
$112pp
BWI
Baltimore/Washington
Spirit Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Spirit Airlines
   
2 STOPS
BWI
Baltimore/Washington

One-way flights to San Diego from Washington

The cheapest one-way flights from Washington to San Diego
4:06 am - 5:21 pm
Spirit Airlines
1 Stop
16h 15m
BWI - SAN
Spirit Airlines
$72
JustFly
3:00 am - 3:49 pm
Frontier
1 Stop
15h 49m
DCA - SAN
Frontier
$73
Trip.com
1:07 pm - 8:42 am
Multiple Airlines
2 Stops
22h 35m
BWI - SAN
Multiple Airlines
$75
Kiwi.com

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

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. On average, San Diego has 7 inbound flights from Washington per day from 8 airlines. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

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

United Airlines, American Airlines, and Delta 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.

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.

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 Spirit Airlines for just $77, but on average you can expect to pay $100.

Are there nonstop flights from Washington to San Diego for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington to San Diego under $300. A good price for a nonstop flight from Washington to San Diego is less than $342.

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

Spirit Airlines, at $77, was found to be the cheapest airline from Washington to San Diego. An alternate airline flying to your destination would be Frontier. Users have found that Spirit Airlines is 80% cheaper than the other options available to this destination.

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

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

What are the cheapest flights from Washington to San Diego?

The cheapest flight price from Washington to San Diego is $105. On average you can expect to pay $1,126. The most popular route, (Washington Dulles Intl - San Diego), can usually be booked for $239.

What are the most reliable airlines from Washington 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 to San Diego on time: United Airlines(89%), Austrian Airlines(78%), Brussels Airlines(78%.)

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, American Airlines or Alaska Airlines as they are the most popular for this route.

COVID Restrictions

View COVID Travel Restrictions for San Diego, CA

Do I need a COVID test to fly to San Diego from Washington?

Information is based on travel restrictions for travel to San Diego within the United States

Most visitors from Washington need to provide a negative COVID-19 test result and/or quarantine to enter San Diego.

COVID-19 testing requirements
Visitors from Washington must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Diego.

Quarantine requirements
Visitors from Washington are not required to quarantine after entering San Diego.

Do I need a test to fly back to Washington from San Diego?

Returning to Washington from San Diego

COVID-19 testing requirements
Visitors from San Diego must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Washington.

Quarantine requirements
Visitors from San Diego are not required to quarantine after entering Washington.

Hide COVID Travel Restrictions for San Diego, CA

Destination information for San Diego

Things to know before you go - useful duration and weather info for your trip from Washington to San Diego.
Average temperature for September in San Diego
80.6 °F
Avg rainfall for September in San Diego
0.1 ″

Airports servicing Washington

Reagan-National (DCA)

Airports servicing San Diego

Top 7 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
Delta
$102 $388 No cancel fee N/A
Frontier
$105 $267 No cancel fee 62%
American Airlines
$127 $410 No cancel fee 71%
Alaska Airlines
$138 $345 No cancel fee 75%
JetBlue
$159 $373 No cancel fee 62%
Spirit Airlines
$161 $338 No cancel fee 65%
United Airlines
$222 $496 No cancel fee 69%

Hourly flight availability from Washington to San Diego

See what time of day planes typically take off from Washington towards San Diego.
Afternoon Noon to 6 PM 75% of WAS to SAN departures
Morning 6 AM to noon 24% of WAS to SAN departures
Early morning Midnight to 6 AM 1% of WAS to SAN departures
Evening 6 PM to midnight 0% of WAS to SAN departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Washington to San Diego
See how many times per day planes take to the skies headed from Washington to San Diego.
Sunday
6 daily flights
Monday
8 daily flights
Tuesday
7 daily flights
Wednesday
7 daily flights
Thursday
8 daily flights
Friday
8 daily flights
Saturday
6 daily flights
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