Cheap United flights Baltimore (BWI) to San Diego (SAN)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find the cheapest month to fly from Baltimore (BWI) to San Diego (SAN)

September is typically the cheapest month to fly

From ₩198,272 - ₩524,062 per traveler.
Flights from Baltimore (BWI) to San Diego (SAN)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
San Diego Intl.
Distance
3664 km
Average flight time
4 hours 24 mins

Frequently asked questions

How much is a United Airlines flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego Intl. Airport (SAN)?
Finding cheap one-way United Airlines flights from BWI to SAN on Expedia is a breeze — just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares for your next getaway.**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 BWI to SAN with United Airlines?
January is one of the cheapest months to jet off to San Diego with United Airlines. You could also find great prices on return and one-way fares in November.
Does United Airlines fly nonstop from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego Intl. Airport (SAN)?
Select our "Nonstop" filter when browsing for direct United Airlines flights from BWI to SAN. You can also compare other carriers servicing the same direct trip.
What airports does United Airlines fly into in San Diego?
United Airlines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego come in to land at San Diego Intl. Airport (SAN). This is the main gateway to this destination.
Can I change or cancel my United Airlines flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego Intl. Airport (SAN)?
Depending on your fare type, a fee generally applies if you cancel or change your booking more than 24 hours after it has been confirmed. To secure flexible plane tickets, select our "No cancel fee" or "Changes included" filter when you search for flights. For more details on canceling or changing your reservation, head to "Trips," select your flight and click on "Manage Booking."
*Available to Expedia members.