
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $259 (Expedia) |
One-way from | $134 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $436 |
Good round-trip deal | $326 or less |
Good one-way deal | $187 or less |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
mar 5/5
4:30 pm-10:40 pm
2 stops9h 10m
San Diego
mar 5/12
6:35 am-4:50 pm
1 stop7h 15m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
mar 5/5
9:00 am-3:53 pm
1 stop9h 53m
San Diego
mer 5/6
9:35 am-5:41 pm
Nonstop5h 06m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
sab 5/9
5:05 pm-11:25 pm
2 stops9h 20m
San Diego
sab 5/16
8:35 am-10:55 pm
2 stops11h 20m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
mar 4/21
6:20 am-2:20 pm
2 stops11h 00m
San Diego
sab 4/25
8:20 am-10:55 pm
1 stop11h 35m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
gio 4/23
5:55 pm-8:46 pm
Nonstop5h 51m
San Diego
gio 5/7
9:45 pm-5:43 am
Nonstop4h 58m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
sab 4/18
6:22 pm-9:22 pm
Nonstop6h 00m
San Diego
lun 4/20
9:20 am-5:22 pm
Nonstop5h 02m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
dom 9/6
5:38 pm-9:52 am
1 stop19h 14m
San Diego
ven 9/11
11:52 am-11:59 pm
1 stop9h 07m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
ven 5/15
5:55 am-12:10 pm
2 stops9h 15m
San Diego
gio 5/21
12:05 pm-12:20 am
2 stops9h 15m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
gio 4/9
6:15 am-11:25 am
1 stop8h 10m
San Diego
dom 4/19
8:37 pm-6:37 am
1 stop7h 00m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
gio 5/14
5:55 pm-10:35 pm
1 stop7h 40m
San Diego
dom 5/17
10:45 am-12:40 am
1 stop10h 55m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
Booking 37 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Diego (average of $111). Flying from Washington, D.C. Dulles Intl Airport to San Diego in December is currently the most expensive (average of $289). 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.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to San Diego as you normally would.
Overall
Entertainment
Boarding
Food
Crew
Comfort
Reviews
robert,Feb 2026
LAS - SAN
Overall
Entertainment
Boarding
Food
Crew
Comfort
Reviews
robert,Feb 2026
LAS - SAN
Overall
Entertainment
Boarding
Food
Crew
Comfort
Reviews
robert,Feb 2026
LAS - SAN
Overall
Entertainment
Boarding
Food
Crew
Comfort
Reviews
robert,Feb 2026
LAS - SAN
Overall
Entertainment
Boarding
Food
Crew
Comfort
Reviews
robert,Feb 2026
LAS - SAN
Overall
Entertainment
Boarding
Food
Crew
Comfort
Reviews
robert,Feb 2026
LAS - SAN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$320 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$145 | Average$286 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$376 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$216 | Average$457 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$217 | Average$352 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$238 | Average$427 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$375 | FlexibilityNo cancel fee | On-time63% |