Cheap United flights Kansas City (MCI) 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 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Frequently asked questions

How much is a United Airlines flight from Kansas City Intl. Airport (MCI) to San Diego Intl. Airport (SAN)?
Landing cheap one-way United Airlines flights from MCI to SAN on Expedia couldn't be simpler — just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares for your next adventure.**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 MCI to SAN with United Airlines?
United Airlines flights to San Diego tend to be more affordable in the off-peak months of January and November. Whether you need a one-way or round-trip ticket, you could find a better deal then.
Does United Airlines fly nonstop from Kansas City Intl. Airport (MCI) to San Diego Intl. Airport (SAN)?
To figure out if there's a direct trip from MCI to SAN with United Airlines or other airlines, check the "Nonstop" box when searching for tickets.
What airports does United Airlines fly into in San Diego?
San Diego Intl. Airport (SAN) is the primary San Diego hub for United Airlines flights from Kansas City Intl. Airport (MCI).
Can I change or cancel my United Airlines flight from Kansas City Intl. Airport (MCI) to San Diego Intl. Airport (SAN)?
Changes are generally free within 24 hours of making a booking, but your airline may charge you after that time. For further information about altering your flights, check out your "Trips," select your flight and click on "Manage Booking." If you want the freedom to make changes without additional charges, tick the "Changes included" or "No cancel fee" filter when planning your next trip.

Travel information

Travel information

Origin airport
Kansas City Intl.
Destination airport
San Diego Intl.
Distance
2130 km
Average flight time
2 hours 50 mins

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to Expedia members.