There are most likely no direct flights on the San Diego — Washington route
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A non-stop flight is the most convenient and comfortable way to fly from San Diego to Washington, 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.
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There are most likely no direct flights on the San Diego — Washington route
The cost of a one-way flight from San Diego to Washington ranges from $108 (July 2026) to $129 (August 2026). On average, the ticket price is about $117–$244.
Tickets from San Diego to Washington cost roughly the same any month. This is convenient: you can plan your trip based on your schedule rather than prices.
There is a slight difference: it's a bit cheaper in June 2026–July 2026 (averaging $112) and slightly more in July 2026–August 2026 ($118). But overall, the difference is small.
On this route, you don't need to target specific months — prices are stable. The difference between the cheapest and most expensive period is only 6%. Book whenever it's convenient.
Monthly price variation is just 7.5%. Ticket costs on this route are among the most predictable.
San Diego — Washington
06/28/2026
Departure
Direct flight
UA1071
starting at $548
San Diego — Washington
08/10/2026
Departure
Direct flight
UA1071
starting at $417
starting at $417
starting at $83
Flights from San Diego to Washington are operated by several airlines — United Airlines and Frontier Airlines. This allows passengers to flexibly choose flights based on departure time, cost, and additional services. The minimum ticket price starts at $83, making this destination accessible to travelers with different budgets. We help compare all available options in real time, so you can book tickets at the best value for money. The service ensures transparent search and lets you book affordable flights in just a few clicks.
The cheapest flight ticket from San Diego to Washington according to data for the last 48 hours costs $83
Often the best time to buy tickets from San Diego to Washington is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from San Diego to Washington can be found flying in these months: July, June, August.
The fastest flights from San Diego to Washington start from 8 hours 29 minutes in the air.
The following airlines operate direct flights on the route San Diego — Washington: United Airlines
The cheapest one-way flight from San Diego to Washington departs on 08/11/2026, is operated by Frontier Airlines and costs $83
The cheapest roundtrip flight from San Diego to Washington departs on 07/10/2026, is operated by JetBlue Airways and costs $266
Fastest flight from San Diego to Washington takes 1d 8h 29m
There are direct flights on this route 2 days a week: Su and Mo
The distance between San Diego and Washington is 3652km (2264 miles). The time difference between San Diego and Washington is 3h
We couldn't find any special offers for flights from San Diego to Washington