Flights from San Diego to Washington
Pick a departure date to see flights and seller prices
We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.
Prices by day: San Diego to Washington
Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.
Best fares from San Diego to Washington
Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date
San Diego to Washington at a glance
- flight time, from 4h 40m to 15h 45m
- 5h
- straight-line distance
- 2,270 mi (3,653 km)
- flights a week
- 43
- flights today
- 4
- first and last departure
- 06:15 - 11:45
- lowest price, with a connection, 12 December
- $123
- lowest nonstop price
- $169
- airlines
- 3
San Diego to Washington ticket prices by month
Lowest one-way fare found by recent searches
Cheapest month: December 2026, tickets from $105. Prices come from searches over the last few days; check the search for your exact date.
The most expensive month is November 2026: from $154. The average across months is $130.
San Diego to Washington flight schedule
43 flights a week, 4 today, 43 seasonal or one-off. Departure and arrival times are local.
FlightDepartsArrivesDurationDaysAircraft
WN 4997
Southwest Airlines
06:15
San Diego International, terminal 1
15:55
Ronald Reagan National, terminal 1
6h 40m
Mon, Tue, Wed, Thu, Fri, Sun
Boeing 737-800
WN 3683
Southwest Airlines
06:30
San Diego International, terminal 1
15:45
Ronald Reagan National, terminal 1
6h 15m
Mon, Thu, Fri, Sun
WN 3690
Southwest Airlines
06:30
San Diego International, terminal 1
14:20
Baltimore/Wash International Thurgood Marshall
4h 50m
Mon, Fri, Sat, Sun
WN 3690
Southwest Airlines
06:35
San Diego International, terminal 1
14:20
Baltimore/Wash International Thurgood Marshall
4h 45m
Mon, Tue, Wed, Thu
Boeing 737-800
UA 1071
United Airlines
08:00
San Diego International, terminal 2
15:56
Washington Dulles International
4h 56m
Daily
Boeing 737-900
UA 1791
United Airlines
09:38
San Diego International, terminal 2
21:57
Washington Dulles International
9h 19m
Mon, Thu, Fri, Sun
Boeing 737-800
AS 506
Alaska Airlines
09:40
San Diego International, terminal 2
17:36
Washington Dulles International
4h 56m
Mon, Fri, Sat, Sun
Boeing 737
AS 506
Alaska Airlines
09:41
San Diego International, terminal 2
17:40
Washington Dulles International
4h 59m
Daily
Boeing 737
WN 309
Southwest Airlines
10:15
San Diego International, terminal 1
18:00
Baltimore/Wash International Thurgood Marshall
4h 45m
Mon, Thu, Fri, Sun
Boeing 737
WN 522
Southwest Airlines
11:40
San Diego International, terminal 1
19:30
Baltimore/Wash International Thurgood Marshall
4h 50m
Tue, Wed
Boeing 737
WN 522
Southwest Airlines
11:45
San Diego International, terminal 1
19:35
Baltimore/Wash International Thurgood Marshall
4h 50m
Mon, Thu
Boeing 737
Seasonal and one-off flights
Not operating in the next two weeks. The first of them is on 26 November.
FlightDepartsArrivesDurationDaysAircraft
WN 3690
Southwest Airlines
07:10
San Diego International, terminal 1
14:55
Baltimore/Wash International Thurgood Marshall
4h 45m
Seasonal
Boeing 737
WN 3690
Southwest Airlines
07:15
San Diego International, terminal 1
15:00
Baltimore/Wash International Thurgood Marshall
4h 45m
Seasonal
WN 3853
Southwest Airlines
07:50
San Diego International, terminal 1
16:55
Ronald Reagan National, terminal 1
6h 5m
Seasonal
Boeing 737
WN 3044
Southwest Airlines
09:35
San Diego International, terminal 1
22:25
Baltimore/Wash International Thurgood Marshall
9h 50m
Seasonal
UA 1791
United Airlines
09:43
San Diego International, terminal 2
21:57
Washington Dulles International
9h 14m
Seasonal
Boeing 737-800
WN 3690
Southwest Airlines
06:15
San Diego International, terminal 1
14:05
Baltimore/Wash International Thurgood Marshall
4h 50m
Seasonal
Boeing 737
AS 506
Alaska Airlines
09:50
San Diego International, terminal 2
17:51
Washington Dulles International
5h 1m
Seasonal
Boeing 737-900
AS 506
Alaska Airlines
09:56
San Diego International, terminal 2
17:50
Washington Dulles International
4h 54m
Seasonal
Boeing 737-900
WN 4266
Southwest Airlines
06:45
San Diego International, terminal 1
14:30
Baltimore/Wash International Thurgood Marshall
4h 45m
Seasonal
Boeing 737
WN 3567
Southwest Airlines
07:05
San Diego International, terminal 1
16:45
Ronald Reagan National, terminal 1
6h 40m
Seasonal
Boeing 737
WN 331
Southwest Airlines
11:35
San Diego International, terminal 1
19:15
Baltimore/Wash International Thurgood Marshall
4h 40m
Seasonal
Boeing 737-800
UA 1791
United Airlines
09:39
San Diego International, terminal 2
21:59
Washington Dulles International
9h 20m
Seasonal
Boeing 737-800
WN 4266
Southwest Airlines
07:40
San Diego International, terminal 1
15:20
Baltimore/Wash International Thurgood Marshall
4h 40m
Seasonal
Boeing 737-800
WN 3567
Southwest Airlines
06:15
San Diego International, terminal 1
15:55
Ronald Reagan National, terminal 1
6h 40m
Seasonal
Boeing 737
WN 4266
Southwest Airlines
06:30
San Diego International, terminal 1
14:15
Baltimore/Wash International Thurgood Marshall
4h 45m
Seasonal
Boeing 737
WN 1207
Southwest Airlines
06:35
San Diego International, terminal 1
18:55
Ronald Reagan National, terminal 1
9h 20m
Seasonal
WN 3567
Southwest Airlines
08:20
San Diego International, terminal 1
17:50
Ronald Reagan National, terminal 1
6h 30m
Seasonal
Boeing 737
UA 1071
United Airlines
08:35
San Diego International, terminal 2
16:27
Washington Dulles International
4h 52m
Seasonal
Boeing 737
UA 1791
United Airlines
09:30
San Diego International, terminal 2
22:43
Washington Dulles International
10h 13m
Seasonal
Boeing 737-800
AS 322
Alaska Airlines
10:48
San Diego International, terminal 2
19:01
Washington Dulles International
5h 13m
Seasonal
Boeing 737-900
WN 1044
Southwest Airlines
06:15
San Diego International, terminal 1
14:05
Baltimore/Wash International Thurgood Marshall
4h 50m
Seasonal
Boeing 737
WN 1122
Southwest Airlines
08:25
San Diego International, terminal 1
20:45
Baltimore/Wash International Thurgood Marshall
9h 20m
Seasonal
WN 464
Southwest Airlines
06:15
San Diego International, terminal 1
15:50
Ronald Reagan National, terminal 1
6h 35m
Seasonal
Boeing 737
WN 4724
Southwest Airlines
06:30
San Diego International, terminal 1
14:30
Baltimore/Wash International Thurgood Marshall
5h
Seasonal
Boeing 737-800
WN 3375
Southwest Airlines
10:50
San Diego International, terminal 1
05:35
Baltimore/Wash International Thurgood Marshall
15h 45m
Seasonal
WN 978
Southwest Airlines
06:30
San Diego International, terminal 1
14:30
Baltimore/Wash International Thurgood Marshall
5h
Seasonal
WN 4724
Southwest Airlines
06:35
San Diego International, terminal 1
14:35
Baltimore/Wash International Thurgood Marshall
5h
Seasonal
Boeing 737-800
WN 464
Southwest Airlines
06:40
San Diego International, terminal 1
16:20
Ronald Reagan National, terminal 1
6h 40m
Seasonal
Boeing 737
WN 464
Southwest Airlines
06:30
San Diego International, terminal 1
16:10
Ronald Reagan National, terminal 1
6h 40m
Seasonal
Boeing 737-800
WN 4724
Southwest Airlines
06:40
San Diego International, terminal 1
14:40
Baltimore/Wash International Thurgood Marshall
5h
Seasonal
Boeing 737-800
UA 1791
United Airlines
09:45
San Diego International, terminal 2
22:43
Washington Dulles International
9h 58m
Seasonal
Boeing 737
WN 1039
Southwest Airlines
06:45
San Diego International, terminal 1
14:45
Baltimore/Wash International Thurgood Marshall
5h
Seasonal
Boeing 737
WN 3596
Southwest Airlines
06:30
San Diego International, terminal 1
14:30
Baltimore/Wash International Thurgood Marshall
5h
Seasonal
Boeing 737
WN 3596
Southwest Airlines
06:35
San Diego International, terminal 1
14:35
Baltimore/Wash International Thurgood Marshall
5h
Seasonal
Boeing 737
WN 458
Southwest Airlines
10:25
San Diego International, terminal 1
18:30
Baltimore/Wash International Thurgood Marshall
5h 5m
Seasonal
WN 184
Southwest Airlines
06:30
San Diego International, terminal 1
14:30
Baltimore/Wash International Thurgood Marshall
5h
Seasonal
WN 3435
Southwest Airlines
06:30
San Diego International, terminal 1
14:35
Baltimore/Wash International Thurgood Marshall
5h 5m
Seasonal
Boeing 737
WN 4812
Southwest Airlines
08:55
San Diego International, terminal 1
16:55
Baltimore/Wash International Thurgood Marshall
5h
Seasonal
Boeing 737
WN 3435
Southwest Airlines
06:15
San Diego International, terminal 1
14:30
Baltimore/Wash International Thurgood Marshall
5h 15m
Seasonal
Boeing 737
WN 4812
Southwest Airlines
11:15
San Diego International, terminal 1
19:20
Baltimore/Wash International Thurgood Marshall
5h 5m
Seasonal
Boeing 737
WN 3435
Southwest Airlines
06:35
San Diego International, terminal 1
14:45
Baltimore/Wash International Thurgood Marshall
5h 10m
Seasonal
Boeing 737
WN 464
Southwest Airlines
06:35
San Diego International, terminal 1
16:40
Ronald Reagan National, terminal 1
7h 5m
Seasonal
Boeing 737
WN 1122
Southwest Airlines
10:55
San Diego International, terminal 1
18:55
Baltimore/Wash International Thurgood Marshall
5h
Seasonal
Boeing 737
Days of the week are taken from the schedule for the next 14 days; schedules change by season. Washington is 3 hours ahead of San Diego. The search shows seat availability and the price for your date.
Airlines flying San Diego to Washington
Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches
Southwest Airlines
United Airlines
Alaska Airlines
Southwest Airlines: 23 flights, first departure at 06:15, last at 11:45, tickets from $176 on 7 December
MTWTFSS
Southwest Airlines San Diego to Washington
United Airlines: 2 flights, first departure at 08:00, last at 09:38, tickets from $347 on 26 November
MTWTFSS
United Airlines San Diego to Washington
Alaska Airlines: 2 flights, first departure at 09:40, last at 09:41, tickets from $169 on 12 November
MTWTFSS
Alaska Airlines San Diego to Washington
Airports
Where flights from San Diego to Washington depart and land
Departure from San Diego
43 flights a week, terminals 1, 2, 2 mi (4 km) from the city centre
Arrival in Washington
18 flights a week, 22 mi (36 km) from the city centre
15 flights a week, 28 mi (45 km) from the city centre
Ronald Reagan National
closest to the centreDCA
10 flights a week, terminal 1, 3 mi (5 km) from the city centre
When to visit Washington
Weather by month
Best time to visit: April, May, September and October, +20° to +26° by day. In November it is +14° by day and +4° at night, with 8 rainy days.
Jan
+6°
−2°
8 days
Feb
+9°
−1°
10 days
Mar
+15°
+3°
8 days
Apr
+20°
+8°
11 days
May
+24°
+13°
12 days
Jun
+29°
+18°
12 days
Jul
+31°
+21°
16 days
Aug
+30°
+20°
13 days
Sep
+26°
+17°
11 days
Oct
+20°
+10°
8 days
Nov
+14°
+4°
8 days
Dec
+9°
0°
9 days
Daytime and night temperatures in °C, rainy days. Months with the most comfortable weather are in green. Long-term averages.
Frequently asked questions
How long is the flight from San Diego to Washington?
A nonstop flight takes 5 hours on average, from 4h 40m to 15h 45m depending on the flight.
How far is Washington from San Diego?
2,270 mi (3,653 km) in a straight line between the cities.
Which airlines fly nonstop from San Diego to Washington?
Southwest Airlines (25 a week), United Airlines (11 a week) and Alaska Airlines (7 a week).
How many flights a day are there from San Diego to Washington?
4 flights today and 43 a week, about 6.1 a day on average.
When are the first and last flights from San Diego to Washington?
The first departure is at 06:15 (WN4997), the last at 11:45 (WN522). Local time.
What is the cheapest month to fly from San Diego to Washington?
December 2026: tickets from $105. The most expensive is November 2026, from $154.
What is the cheapest upcoming date to fly from San Diego to Washington?
7 December 2026 (Monday): from $105 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from San Diego to Washington?
Alaska Airlines: nonstop tickets from $169 on 12 November by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between San Diego and Washington?
Washington is 3 hours ahead of San Diego. Schedule times on this page are local to each airport.
Which San Diego airport do flights to Washington leave from?
San Diego International (43 a week).
Which Washington airport is closest to the city centre?
Ronald Reagan National (DCA), 3 mi (5 km) from the city centre. Others: Washington Dulles International 22 mi (36 km) and Baltimore/Wash International Thurgood Marshall 28 mi (45 km).