Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline Alaska Airlines
Cheapest Month June
Cheapest Day of the Week Tuesday
Cheapest Airline Alaska Airlines

The cheapest airline(s) flying from San Diego to Washington is Alaska Airlines.

  • Alaska Airlines Alaska Airlines
  • Hawaiian Airlines Hawaiian Airlines
  • American Airlines American Airlines
  • United Airlines United Airlines
  • Southwest Airlines Southwest Airlines
  • Frontier Airlines Frontier Airlines
  • JetBlue Airways JetBlue Airways
Cheapest Month June

Travel Period: June 2025 - May 2026

The cheapest month(s) to fly from San Diego to Washington is June.

  • Jun 2025
  • Jul 2025
  • Aug 2025
  • Sep 2025
  • Oct 2025
  • Nov 2025
  • Dec 2025
  • Jan 2026
  • Feb 2026
  • Mar 2026
  • Apr 2026
  • May 2026
Cheapest Day of the Week Tuesday

The cheapest day(s) of the week to fly from San Diego to Washington is Tuesday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday

Flight Schedules

Last Updated: Fri, 2 May, 2025

  • Time Earliest
    • Earliest
    • Latest
  • Depart Earliest
    • Earliest
    • Latest
  • Arrive
    • Earliest
    • Latest
  • Duration
    • Shortest
    • Longest
  • Stopover
    All
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  • Availability
    • M
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  • 18:34 SAN
    05:22 IAD
    7Hrs, 48m Direct
  • SANSan Diego International Airport 18:34 - IAD 05:22 7h 48m Direct
  • SANSan Diego International Airport 18:34
  • IADWashington Dulles International Airport 05:22
  • 7h 48m
  • Direct
  • United Airlines (UA 1924)Boeing 737 800
  • United Airlines (UA 1924)
    • M
    • -
    • W
    • T
    • F
    • -
    • S
  • Boeing 737 800
  • 21:20 SAN
    05:20 BWI
    5Hrs, 00m Direct
  • SANSan Diego International Airport 21:20 - BWI 05:20 5h Direct
  • SANSan Diego International Airport 21:20
  • BWIBaltimore Washington International Airport 05:20
  • 5h
  • Direct
  • Southwest Airlines (WN 2356)Boeing 737 Max 8 Passenger
  • Southwest Airlines (WN 2356)
    • M
    • T
    • W
    • T
    • F
    • S
    • -
  • Boeing 737 Max 8 Passenger
  • 21:30 SAN
    05:26 IAD
    4Hrs, 56m Direct
  • SANSan Diego International Airport 21:30 - IAD 05:26 4h 56m Direct
  • SANSan Diego International Airport 21:30
  • IADWashington Dulles International Airport 05:26
  • 4h 56m
  • Direct
  • United Airlines (UA 2129)Boeing 737 900
  • United Airlines (UA 2129)
    • M
    • T
    • W
    • T
    • F
    • S
    • S
  • Boeing 737 900
  • 21:45 SAN
    05:40 BWI
    4Hrs, 55m Direct
  • SANSan Diego International Airport 21:45 - BWI 05:40 4h 55m Direct
  • SANSan Diego International Airport 21:45
  • BWIBaltimore Washington International Airport 05:40
  • 4h 55m
  • Direct
  • Southwest Airlines (WN 2356)Boeing 737 Max 8 Passenger
  • Southwest Airlines (WN 2356)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • Boeing 737 Max 8 Passenger
  • 06:15 SAN
    16:17 BWI
    7Hrs, 02m Direct
  • SANSan Diego International Airport 06:15 - BWI 16:17 7h 02m Direct
  • SANSan Diego International Airport 06:15
  • BWIBaltimore Washington International Airport 16:17
  • 7h 02m
  • Direct
  • United Airlines (UA 274)Boeing 737 800
  • United Airlines (UA 274)
    • M
    • T
    • W
    • T
    • F
    • S
    • S
  • Boeing 737 800
  • 06:30 SAN
    14:35 BWI
    5Hrs, 05m Direct
  • SANSan Diego International Airport 06:30 - BWI 14:35 5h 05m Direct
  • SANSan Diego International Airport 06:30
  • BWIBaltimore Washington International Airport 14:35
  • 5h 05m
  • Direct
  • Southwest Airlines (WN 4481)Boeing 737 800
  • Southwest Airlines (WN 4481)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • Boeing 737 800
  • 06:30 SAN
    14:35 BWI
    5Hrs, 05m Direct
  • SANSan Diego International Airport 06:30 - BWI 14:35 5h 05m Direct
  • SANSan Diego International Airport 06:30
  • BWIBaltimore Washington International Airport 14:35
  • 5h 05m
  • Direct
  • Southwest Airlines (WN 4481)Boeing 737 Max 8 Passenger
  • Southwest Airlines (WN 4481)
    • -
    • T
    • W
    • -
    • -
    • -
    • -
  • Boeing 737 Max 8 Passenger
  • 06:35 SAN
    14:35 BWI
    5Hrs, 00m Direct
  • SANSan Diego International Airport 06:35 - BWI 14:35 5h Direct
  • SANSan Diego International Airport 06:35
  • BWIBaltimore Washington International Airport 14:35
  • 5h
  • Direct
  • Southwest Airlines (WN 4481)Boeing 737 800
  • Southwest Airlines (WN 4481)
    • M
    • -
    • -
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    • -
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  • Boeing 737 800
  • 06:55 SAN
    18:20 DCA
    8Hrs, 25m Direct
  • SANSan Diego International Airport 06:55 - DCA 18:20 8h 25m Direct
  • SANSan Diego International Airport 06:55
  • DCAWashington Ronald Reagan National Airport 18:20
  • 8h 25m
  • Direct
  • Southwest Airlines (WN 1436)Boeing 737 700
  • Southwest Airlines (WN 1436)
    • M
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    • -
    • -
  • Boeing 737 700
  • 07:30 SAN
    17:05 DCA
    6Hrs, 35m Direct
  • SANSan Diego International Airport 07:30 - DCA 17:05 6h 35m Direct
  • SANSan Diego International Airport 07:30
  • DCAWashington Ronald Reagan National Airport 17:05
  • 6h 35m
  • Direct
  • Southwest Airlines (WN 4593)Boeing 737 800
  • Southwest Airlines (WN 4593)
    • -
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    • -
    • -
    • -
    • -
  • Boeing 737 800
  • 07:35 SAN
    17:05 DCA
    6Hrs, 30m Direct
  • SANSan Diego International Airport 07:35 - DCA 17:05 6h 30m Direct
  • SANSan Diego International Airport 07:35
  • DCAWashington Ronald Reagan National Airport 17:05
  • 6h 30m
  • Direct
  • Southwest Airlines (WN 4593)Boeing 737 700
  • Southwest Airlines (WN 4593)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • Boeing 737 700
  • 07:35 SAN
    17:10 DCA
    6Hrs, 35m Direct
  • SANSan Diego International Airport 07:35 - DCA 17:10 6h 35m Direct
  • SANSan Diego International Airport 07:35
  • DCAWashington Ronald Reagan National Airport 17:10
  • 6h 35m
  • Direct
  • Southwest Airlines (WN 4593)Boeing 737 800
  • Southwest Airlines (WN 4593)
    • M
    • -
    • -
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    • -
    • -
  • Boeing 737 800
  • 07:45 SAN
    21:34 DCA
    10Hrs, 49m Direct
  • SANSan Diego International Airport 07:45 - DCA 21:34 10h 49m Direct
  • SANSan Diego International Airport 07:45
  • DCAWashington Ronald Reagan National Airport 21:34
  • 10h 49m
  • Direct
  • United Airlines (UA 2863)Boeing 737 900
  • United Airlines (UA 2863)
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    • S
  • Boeing 737 900
  • 08:10 SAN
    15:58 IAD
    4Hrs, 48m Direct
  • SANSan Diego International Airport 08:10 - IAD 15:58 4h 48m Direct
  • SANSan Diego International Airport 08:10
  • IADWashington Dulles International Airport 15:58
  • 4h 48m
  • Direct
  • United Airlines (UA 1071)Boeing 777
  • United Airlines (UA 1071)
    • M
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    • T
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    • S
  • Boeing 777
  • 08:30 SAN
    16:38 IAD
    5Hrs, 08m Direct
  • SANSan Diego International Airport 08:30 - IAD 16:38 5h 08m Direct
  • SANSan Diego International Airport 08:30
  • IADWashington Dulles International Airport 16:38
  • 5h 08m
  • Direct
  • Alaska Airlines (AS 322)Boeing 737
  • Alaska Airlines (AS 322)
    • -
    • T
    • -
    • -
    • -
    • -
    • -
  • Boeing 737
  • 08:30 SAN
    16:38 IAD
    5Hrs, 08m Direct
  • SANSan Diego International Airport 08:30 - IAD 16:38 5h 08m Direct
  • SANSan Diego International Airport 08:30
  • IADWashington Dulles International Airport 16:38
  • 5h 08m
  • Direct
  • Alaska Airlines (AS 322)Boeing 737 Max 9 Passenger
  • Alaska Airlines (AS 322)
    • -
    • -
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    • -
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    • -
  • Boeing 737 Max 9 Passenger
  • 09:51 SAN
    17:59 IAD
    5Hrs, 08m Direct
  • SANSan Diego International Airport 09:51 - IAD 17:59 5h 08m Direct
  • SANSan Diego International Airport 09:51
  • IADWashington Dulles International Airport 17:59
  • 5h 08m
  • Direct
  • Alaska Airlines (AS 322)Boeing 737 Max 9 Passenger
  • Alaska Airlines (AS 322)
    • M
    • -
    • -
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    • F
    • -
    • -
  • Boeing 737 Max 9 Passenger
  • 09:51 SAN
    17:59 IAD
    5Hrs, 08m Direct
  • SANSan Diego International Airport 09:51 - IAD 17:59 5h 08m Direct
  • SANSan Diego International Airport 09:51
  • IADWashington Dulles International Airport 17:59
  • 5h 08m
  • Direct
  • Alaska Airlines (AS 322)Boeing 737 800
  • Alaska Airlines (AS 322)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • Boeing 737 800
  • 11:35 SAN
    19:40 BWI
    5Hrs, 05m Direct
  • SANSan Diego International Airport 11:35 - BWI 19:40 5h 05m Direct
  • SANSan Diego International Airport 11:35
  • BWIBaltimore Washington International Airport 19:40
  • 5h 05m
  • Direct
  • Southwest Airlines (WN 1364)Boeing 737 800
  • Southwest Airlines (WN 1364)
    • -
    • T
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    • -
    • -
    • -
    • -
  • Boeing 737 800
  • 12:35 SAN
    20:35 BWI
    5Hrs, 00m Direct
  • SANSan Diego International Airport 12:35 - BWI 20:35 5h Direct
  • SANSan Diego International Airport 12:35
  • BWIBaltimore Washington International Airport 20:35
  • 5h
  • Direct
  • Southwest Airlines (WN 2918)Boeing 737 Max 8 Passenger
  • Southwest Airlines (WN 2918)
    • M
    • -
    • -
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    • F
    • -
    • -
  • Boeing 737 Max 8 Passenger
  • 12:45 SAN
    20:44 IAD
    4Hrs, 59m Direct
  • SANSan Diego International Airport 12:45 - IAD 20:44 4h 59m Direct
  • SANSan Diego International Airport 12:45
  • IADWashington Dulles International Airport 20:44
  • 4h 59m
  • Direct
  • United Airlines (UA 755)Boeing 737 900
  • United Airlines (UA 755)
    • M
    • T
    • W
    • T
    • F
    • S
    • S
  • Boeing 737 900
  • 13:57 SAN
    21:59 DCA
    5Hrs, 02m Direct
  • SANSan Diego International Airport 13:57 - DCA 21:59 5h 02m Direct
  • SANSan Diego International Airport 13:57
  • DCAWashington Ronald Reagan National Airport 21:59
  • 5h 02m
  • Direct
  • Alaska Airlines (AS 14)Boeing 737 800
  • Alaska Airlines (AS 14)
    • M
    • T
    • W
    • T
    • F
    • S
    • S
  • Boeing 737 800
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What’s the fastest flight time from San Diego to Washington?

The fastest flight time for direct flights from San Diego to Washington is 4 hours 48 minutes. Check latest flight schedules & prices on Wego.

What’s the most popular airline flying from San Diego to Washington?

The most popular airline flying from San Diego to Washington is Frontier Airlines. Find the latest flight deals on Wego.

How far is Washington from San Diego?

The flight distance between San Diego and Washington is 3653km. Check all available flights on Wego.

When is the earliest and latest flight of the day?

The earliest flight of the day departs at 06:15. The last flight of the day departs at 18:34. See the full list of flight times on Wego.

How many airlines offer direct flights from San Diego to Washington?

There are 3 airlines that offer direct flights from San Diego to Washington. Find out the list of airlines on Wego.