
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $248 (Kiwi.com) |
One-way from | $131 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $439 |
Good round-trip deal | $326 or less |
Good one-way deal | $175 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
Tue 5/5
4:30 pm-9:45 pm
1 stop8h 15m
San Diego
Sat 5/9
1:00 pm-10:55 pm
1 stop6h 55m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
Fri 4/24
6:47 pm-9:31 pm
Nonstop5h 44m
San Diego
Tue 4/28
9:35 am-5:41 pm
Nonstop5h 06m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
Thu 3/5
6:20 pm-9:19 pm
Nonstop5h 59m
San Diego
Tue 3/24
9:20 am-5:22 pm
Nonstop5h 02m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
Fri 4/17
5:15 pm-10:30 pm
1 stop8h 15m
San Diego
Wed 4/22
8:00 am-4:07 pm
Nonstop5h 07m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
Tue 3/24
3:35 pm-8:45 pm
1 stop8h 10m
San Diego
Wed 4/8
9:55 pm-9:10 am
1 stop8h 15m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
Wed 5/13
10:08 am-3:33 pm
1 stop8h 25m
San Diego
Sun 5/17
9:45 pm-5:43 am
Nonstop4h 58m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
Fri 4/24
5:55 pm-8:46 pm
Nonstop5h 51m
San Diego
Sat 4/25
6:20 am-6:20 pm
1 stop9h 00m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
Wed 3/11
12:47 pm-6:51 pm
1 stop9h 04m
San Diego
Fri 3/13
9:55 pm-9:58 am
1 stop9h 03m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
Tue 4/7
4:30 pm-9:45 pm
1 stop8h 15m
San Diego
Thu 4/9
2:35 pm-12:20 am
1 stop6h 45m
Washington, D.C.San Diego
IAD - SAN
IADSAN
Washington, D.C. Dulles Intl
Thu 3/12
12:51 pm-3:41 pm
Nonstop5h 50m
San Diego
Mon 3/16
10:15 pm-6:03 am
Nonstop4h 48m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
Booking 48 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.
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
robert,Feb 2026
LAS - SAN
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
robert,Feb 2026
LAS - SAN
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
robert,Feb 2026
LAS - SAN
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
robert,Feb 2026
LAS - SAN
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
robert,Feb 2026
LAS - SAN
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
robert,Feb 2026
LAS - SAN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$325 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$144 | Average$286 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$336 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$217 | Average$352 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$234 | Average$467 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$243 | Average$429 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$436 | FlexibilityNo cancel fee | On-time63% |