starting at $439
starting at $198
starting at $498
starting at $99
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Washington to San Diego. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Washington to San Diego, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
The route Washington — San Diego is served by many carriers — 4 in total, including Alaska Airlines, United Airlines, Southwest Airlines, and Frontier Airlines. This gives passengers wide opportunities: from finding the lowest fare (from $99) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.
starting at $439
starting at $198
starting at $498
starting at $99
Washington — San Diego
05/11/2026
Departure
Direct flight
AS7509
starting at $439
Washington — San Diego
05/18/2026
Departure
Direct flight
UA1930
starting at $285
Washington — San Diego
05/19/2026
Departure
Direct flight
UA2163
starting at $290
Washington — San Diego
05/21/2026
Departure
Direct flight
WN444
starting at $498
Washington — San Diego
05/22/2026
Departure
Direct flight
UA1930
starting at $290
Washington — San Diego
06/01/2026
Departure
Direct flight
UA1930
starting at $320
Washington — San Diego
06/02/2026
Departure
Direct flight
UA2163
starting at $198
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The cheapest one-way flight from Washington to San Diego departs on 06/02/2026, is operated by Frontier Airlines and costs $99
There is no information about the cheapest roundtrip flight from Washington to San Diego
Fastest flight from Washington to San Diego takes 8h 50m
There are direct flights on this route 4 days a week: Mo, Tu, Th, and Fr
The distance between Washington and San Diego is 3652km (2264 miles). The time difference between Washington and San Diego is 3h
We couldn't find any special offers for flights from Washington to San Diego
The cheapest flight ticket from Washington to San Diego according to data for the last 48 hours costs $99
Often the best time to buy tickets from Washington to San Diego is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Washington to San Diego can be found flying in these months: June, May.
The fastest flights from Washington to San Diego start from 8 hours 50 minutes in the air.
The following airlines operate direct flights on the route Washington — San Diego: Alaska Airlines, United Airlines, Southwest Airlines
In different months, ticket prices from Washington to San Diego vary: minimum — $112 (June 2026), maximum — $166 (May 2026). Typically, the flight costs $139–$166.