
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $297 (Alaska Airlines) |
One-way from | $134 (Frontier) |
Popular in | December |
Cheapest in | January |
Average price | $419 |
Good round-trip deal | $407 or less |
Good one-way deal | $188 or less |
Fly from
Fly to
Route
Depart
Return
BaltimoreSan Diego
BWI - SAN
BWISAN
Baltimore/Washington
Thu 8/20
8:30 pm-10:45 pm
Nonstop5h 15m
San Diego
Wed 8/26
7:10 am-3:15 pm
Nonstop5h 05m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
Fri 8/14
8:55 am-11:17 am
Nonstop5h 22m
San Diego
Mon 8/17
9:45 pm-5:41 am
Nonstop4h 56m
Washington, D.C.San Diego
DCA - SAN
DCASAN
Washington, D.C. Reagan-National
Thu 7/9
8:59 am-11:39 am
Nonstop5h 40m
San Diego
Sat 7/25
12:42 pm-9:00 pm
Nonstop5h 18m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
Sat 7/18
5:42 pm-10:34 pm
1 stop7h 52m
San Diego
Sat 7/25
9:59 pm-5:59 am
Nonstop5h 00m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
Sat 7/18
5:25 pm-10:57 pm
1 stop8h 32m
San Diego
Mon 7/20
2:18 pm-12:41 am
1 stop7h 23m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
Thu 7/16
3:02 pm-9:16 pm
1 stop9h 14m
San Diego
Mon 7/20
10:15 pm-10:18 am
1 stop9h 03m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
Sat 8/1
8:00 pm-10:24 pm
Nonstop5h 24m
San Diego
Mon 8/10
10:34 am-6:45 pm
Nonstop5h 11m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
Thu 7/16
6:00 pm-8:23 pm
Nonstop5h 23m
San Diego
Mon 7/20
9:59 pm-5:59 am
Nonstop5h 00m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
Tue 8/4
6:00 am-10:20 am
1 stop7h 20m
San Diego
Sun 8/9
10:17 pm-10:23 am
1 stop9h 06m
BaltimoreSan Diego
BWI - SAN
BWISAN
Baltimore/Washington
Tue 6/16
7:00 am-11:37 am
1 stop7h 37m
San Diego
Sat 6/20
10:15 pm-8:46 am
1 stop7h 31m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to San Diego (average of $118). Flying from Washington, D.C. to San Diego in December is currently the most expensive (average of $738). 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.
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 evening could potentially save you up to 37% on airfare.
The most flights from WAS to SAN are scheduled on a Friday (12 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (6 on average).
Las Vegas (LAS) – chosen by Cheapflights users on 57% of 1-stop itineraries from Washington, D.C. to San Diego on Cheapflights.
Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $283.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 7h 05m.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 00m.
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 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Travelers seeking maximum savings on their Washington, D.C. to San Diego flight should consider departing on Saturday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Comfort
Food
Crew
Overall
Boarding
Entertainment
Reviews
robert,Feb 2026
LAS - SAN
Comfort
Food
Crew
Overall
Boarding
Entertainment
Reviews
robert,Feb 2026
LAS - SAN
Comfort
Food
Crew
Overall
Boarding
Entertainment
Reviews
robert,Feb 2026
LAS - SAN
Comfort
Food
Crew
Overall
Boarding
Entertainment
Reviews
robert,Feb 2026
LAS - SAN
Comfort
Food
Crew
Overall
Boarding
Entertainment
Reviews
robert,Feb 2026
LAS - SAN
Comfort
Food
Crew
Overall
Boarding
Entertainment
Reviews
robert,Feb 2026
LAS - SAN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$69 | Average$220 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$118 | Average$347 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$129 | Average$267 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$168 | Average$414 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$192 | Average$376 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$194 | Average$429 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$229 | Average$371 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$238 | Average$411 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$250 | Average$404 | FlexibilityNo cancel fee | On-time63% |