
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $276 (Super.com) |
One-way from | $105 (Frontier) |
Popular in | March |
Cheapest in | August |
Average price | $352 |
Good round-trip deal | $387 or less |
Good one-way deal | $228 or less |
Fly from
Fly to
Route
Depart
Return
San DiegoWashington, D.C.
SAN - IAD
SANIAD
San Diego
Wed 6/3
6:19 pm-7:34 am
1 stop10h 15m
Washington, D.C. Dulles Intl
Tue 6/9
7:37 pm-10:20 pm
Nonstop5h 43m
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Sat 5/30
10:40 pm-8:00 am
1 stop6h 20m
Baltimore/Washington
Sat 6/6
7:55 pm-10:15 pm
Nonstop5h 20m
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Fri 6/5
12:41 pm-10:49 pm
1 stop7h 08m
Baltimore/Washington
Tue 6/9
6:19 am-1:29 pm
1 stop10h 10m
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Wed 6/3
1:35 pm-12:25 am
1 stop7h 50m
Baltimore/Washington
Tue 6/9
9:10 pm-11:25 pm
Nonstop5h 15m
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Mon 6/1
7:11 pm-5:45 am
1 stop7h 34m
Baltimore/Washington
Tue 6/9
6:19 am-1:29 pm
1 stop10h 10m
San DiegoWashington, D.C.
SAN - IAD
SANIAD
San Diego
Wed 6/3
9:45 pm-5:45 am
Nonstop5h 00m
Washington, D.C. Dulles Intl
Mon 6/8
6:00 pm-8:23 pm
Nonstop5h 23m
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Wed 6/3
1:35 pm-12:25 am
1 stop7h 50m
Baltimore/Washington
Mon 6/8
9:05 pm-11:20 pm
Nonstop5h 15m
San DiegoWashington, D.C.
SAN - DCA
SANDCA
San Diego
Sat 5/30
7:05 am-8:45 pm
2 stops10h 40m
Washington, D.C. Reagan-National
Sat 6/6
4:10 pm-10:35 pm
1 stop9h 25m
San DiegoWashington, D.C.
SAN - IAD
SANIAD
San Diego
Thu 5/28
5:17 pm-7:34 am
1 stop11h 17m
Washington, D.C. Dulles Intl
Mon 6/1
7:37 pm-10:20 pm
Nonstop5h 43m
San DiegoWashington, D.C.
SAN - IAD
SANIAD
San Diego
Tue 7/14
10:34 am-6:45 pm
Nonstop5h 11m
Washington, D.C. Dulles Intl
Sun 7/26
7:53 pm-10:17 pm
Nonstop5h 24m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
To ensure you get the cheapest price possible for a flight from San Diego to Washington, D.C., you should look to book at least 89 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, August is the cheapest month in which you can book a flight from San Diego to Washington, D.C. (average of $68). Flying from San Diego to Washington, D.C. in May is currently the most expensive (average of $642). 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.
A simple way to save on the total cost of your ticket is to fly from San Diego to Washington, D.C. in the afternoon. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight at noon.
Travelers seeking maximum savings on their San Diego to Washington, D.C. flight should consider departing on Thursday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from SAN to WAS are scheduled on a Monday (12 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 on average).
Denver (DEN) – chosen by Cheapflights users on 71% of 1-stop itineraries from San Diego to Washington, D.C. on Cheapflights.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $220.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 7h 00m.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 42m.
About 13% of weekly flights between San Diego and Washington, D.C. have experienced delays in the past year, with the average delay time being 147 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, United Airlines have had the lowest number of delays on this route, with just 8% of flights being delayed.
Crew
Food
Comfort
Boarding
Entertainment
Overall
Reviews
William Drew,Nov 2025
SJC - HNL
Crew
Food
Comfort
Boarding
Entertainment
Overall
Reviews
William Drew,Nov 2025
SJC - HNL
Crew
Food
Comfort
Boarding
Entertainment
Overall
Reviews
William Drew,Nov 2025
SJC - HNL
Crew
Food
Comfort
Boarding
Entertainment
Overall
Reviews
William Drew,Nov 2025
SJC - HNL
Crew
Food
Comfort
Boarding
Entertainment
Overall
Reviews
William Drew,Nov 2025
SJC - HNL
Crew
Food
Comfort
Boarding
Entertainment
Overall
Reviews
William Drew,Nov 2025
SJC - HNL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$133 | Average$269 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$393 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$138 | Average$331 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$147 | Average$276 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$180 | Average$246 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$197 | Average$369 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$216 | Average$390 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$237 | Average$419 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$464 | FlexibilityNo cancel fee | On-time71% |