Cheap flights from Washington (WA) to San Diego (SAN)

When booking a flight from Washington to San Diego, you may want to consider flying on Major Airline, Alaska Airlines or Frontier as they are the most popular for this route.

Most travelers choose Seattle/Tacoma Intl - San Diego, Bellingham - San Diego or Spokane - San Diego when deciding on the best route from Washington to San Diego.

Looking at all options, your cheapest flight can be booked for $39. While the most popular route (Seattle/Tacoma Intl - San Diego) can be booked for $116 on average our data indicates $185 when flying from Washington to San Diego

The top 3 most reliable airlines when flying from Washington to San Diego are Air France (90%), Southwest (89%) and KLM (88%).