United States · 1,721 miles (2,769 km)

San Diego (SAN) to Chicago (ORD) flights

3 airlines fly nonstop from San Diego (SAN) to Chicago (ORD): Alaska Airlines, American Airlines and United Airlines. The two airports are 1,721 miles (2,769 km) apart. Alaska Airlines and American Airlines are in oneworld and United Airlines is in Star Alliance. There are also 63 ways to fly it with one stop, through Colorado Springs, Omaha and Kansas City and more.

Airlines flying nonstop from SAN to ORD

  • Alaska Airlines logo
    Alaska Airlinesoneworld · bookable with 9 programsWho books it
  • American Airlines logo
    American Airlinesoneworld · bookable with 9 programsWho books it
  • United Airlines logo
    United AirlinesStar Alliance · bookable with 13 programsWho books it

Book SAN to ORD with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

SAN to ORD with one stop

63 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Colorado Springs (COS)Southwest Airlines, then American Airlines and United Airlines
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Omaha (OMA)Southwest Airlines, then American Airlines and United Airlines
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Kansas City (MCI)Southwest Airlines, then American Airlines and United Airlines
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Denver (DEN)Frontier Airlines and United Airlines the whole way
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    +1
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
  • Via Phoenix (PHX)American Airlines and Frontier Airlines the whole way
    American Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
    +1
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
  • Via Albuquerque (ABQ)Southwest Airlines, then American Airlines and United Airlines
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Vail (EGE)Alaska Airlines, then American Airlines and United Airlines
    Alaska Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Las Vegas (LAS)Frontier Airlines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Frontier Airlines logo
    +1
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
  • Via Hayden (HDN)Alaska Airlines, then American Airlines and United Airlines
    Alaska Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Tucson (TUS)Southwest Airlines, then American Airlines and United Airlines
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Milwaukee (MKE)Southwest Airlines, then American Airlines and United Airlines
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Saint Louis (STL)Southwest Airlines, then American Airlines and United Airlines
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Tulsa (TUL)Alaska Airlines, then American Airlines and United Airlines
    Alaska Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Los Angeles (LAX)Delta Air Lines and United Airlines the whole way
    Delta Air Lines logo
    United Airlines logo
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
    +1
  • Via Minneapolis (MSP)Delta Air Lines and Sun Country Airlines the whole way
    Delta Air Lines logo
    Sun Country Airlines logo
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
    +1
See all 63 in Routes

SAN to ORD: common questions

Which airlines fly nonstop from SAN to ORD?

Alaska Airlines (oneworld), American Airlines (oneworld) and United Airlines (Star Alliance) fly nonstop from San Diego (SAN) to Chicago (ORD).

How far is San Diego from Chicago by plane?

San Diego (SAN) and Chicago (ORD) are 1,721 miles (2,769 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book SAN to ORD award flights?

22 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 14 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does SAN to ORD cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SAN to ORD with taxes and fees.

Where can I connect between San Diego and Chicago?

The most direct connections are through Colorado Springs (COS), Omaha (OMA), Kansas City (MCI), Denver (DEN) and Phoenix (PHX). On 22 of them the same airline flies both flights, for example Frontier Airlines through Denver.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.