Chicago (ORD) to San Diego (SAN) flights
3 airlines fly nonstop from Chicago (ORD) to San Diego (SAN): 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 ORD to SAN
- Alaska Airlinesoneworld · bookable with 9 programsWho books it
- American Airlinesoneworld · bookable with 9 programsWho books it
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book ORD to SAN with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Alaska Atmos RewardsBooks Alaska Airlines, American Airlines
- American AAdvantageBooks Alaska Airlines, American Airlines
- British Airways ClubBooks Alaska Airlines, American Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines, American Airlines
- Finnair PlusBooks Alaska Airlines, American Airlines
- Iberia ClubBooks Alaska Airlines, American Airlines
- JAL Mileage BankBooks Alaska Airlines, American Airlines
- Qantas Frequent FlyerBooks Alaska Airlines, American Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines, American Airlines
- Air Canada AeroplanBooks United Airlines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
ORD to SAN with one stop
63 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Colorado Springs (COS)American Airlines and United Airlines, then Southwest Airlines
- Via Omaha (OMA)American Airlines and United Airlines, then Southwest Airlines
- Via Kansas City (MCI)American Airlines and United Airlines, then Southwest Airlines
- Via Denver (DEN)Frontier Airlines and United Airlines the whole way
+1 - Via Phoenix (PHX)American Airlines and Frontier Airlines the whole way+1
- Via Albuquerque (ABQ)American Airlines and United Airlines, then Southwest Airlines
- Via Vail (EGE)American Airlines and United Airlines, then Alaska Airlines
- Via Las Vegas (LAS)Frontier Airlines the whole way
+1 - Via Hayden (HDN)American Airlines and United Airlines, then Alaska Airlines
- Via Tucson (TUS)American Airlines and United Airlines, then Southwest Airlines
- Via Milwaukee (MKE)American Airlines and United Airlines, then Southwest Airlines
- Via Saint Louis (STL)American Airlines and United Airlines, then Southwest Airlines
- Via Tulsa (TUL)American Airlines and United Airlines, then Alaska Airlines
- Via Los Angeles (LAX)United Airlines and Delta Air Lines the whole way+1
- Via Minneapolis (MSP)Delta Air Lines and Sun Country Airlines the whole way+1
ORD to SAN: common questions
Which airlines fly nonstop from ORD to SAN?
Alaska Airlines (oneworld), American Airlines (oneworld) and United Airlines (Star Alliance) fly nonstop from Chicago (ORD) to San Diego (SAN).
How far is Chicago from San Diego by plane?
Chicago (ORD) and San Diego (SAN) 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 ORD to SAN 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 ORD to SAN cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for ORD to SAN with taxes and fees.
Where can I connect between Chicago and San Diego?
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.