Cheap Alaska Airlines flights Washington (DCA) to San Diego (SAN)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Flights from Washington (DCA) to Carlsbad (CLD)
Origin airport
Ronald Reagan Washington National
Destination airport
McClellan-Palomar
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
2265 mi
Average flight time
4 hours 44 mins

Frequently asked questions

How much is an Alaska Airlines flight from Ronald Reagan Washington National Airport (DCA) to San Diego Intl. Airport (SAN)?
Grab affordable return Alaska Airlines flights from DCA to SAN by filtering your results from "Price (lowest to highest)" on Expedia. Or look for bargains for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DCA to SAN with Alaska Airlines?
Alaska Airlines flights to San Diego are typically cheaper in the quieter months of January and November. Whether you need a return or one-way ticket, you could land a better deal then.
What is the cheapest time to book flights from Ronald Reagan Washington National Airport (DCA) to San Diego Intl. Airport (SAN) with Alaska Airlines?
Start searching one to three months ahead of your travel date to find cheaper fares on Alaska Airlines flights from Ronald Reagan Washington National Airport (DCA) to San Diego Intl. Airport (SAN). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Alaska Airlines fly nonstop from Ronald Reagan Washington National Airport (DCA) to San Diego Intl. Airport (SAN)?
To figure out if there's a direct route from DCA to SAN with Alaska Airlines or another airline, check the "Nonstop" filter when looking for flights.
What is the earliest Alaska Airlines flight from DCA to SAN?
Browse Alaska Airlines's earliest flights from DCA to SAN by selecting our "Early Morning" and "Morning" filters. Not only will you arrive at your destination sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Alaska Airlines fly into in San Diego?
Take an Alaska Airlines flight from Ronald Reagan Washington National Airport (DCA) to San Diego, and you'll most likely come in to San Diego Intl. Airport (SAN). This is the airline's primary hub in this destination.
Why fly with Alaska Airlines from DCA to SAN?
With a rewarding loyalty program and top-tier customer service, Alaska Airlines is a favorite for many passengers flying from DCA to SAN. Also, if you're a Mileage Plan and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be spent on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Alaska Airlines flight from Ronald Reagan Washington National Airport (DCA) to San Diego Intl. Airport (SAN)?
Depending on the ticket type you purchased, a fee may apply if you cancel or change your booking more than 24 hours after it's been confirmed. To secure flexible fares, select our "No cancel fee" or "Changes included" filter when you search for flights. For more details on canceling or changing your reservation, visit "Trips," select your flight and click on "Manage Booking."

Explore a world of travel with Expedia

*Available to One Key members.