How long does the flight from Chicago to San Diego take?

Flight time from Chicago (ORD) to San Diego (SAN) depends on routing, aircraft type, and whether the flight is direct or connecting. A direct flight typically reflects great-circle distance plus winds, while one-stop options can add several hours depending on the layover airport. Check the exact duration in the search results above, where we show block time per itinerary along with stop count.

Which airlines fly from Chicago to San Diego?

Airline availability for ORD to SAN changes by season and sometimes week to week as carriers adjust capacity. Our search above pulls live schedules and returns the airlines currently selling this route, both direct and connecting. Codeshare and interline itineraries are included, so you may see results operated by one carrier but sold by another.

Are there direct flights from Chicago to San Diego?

Direct (nonstop) availability on ORD to SAN varies by date, day of week, and season. Busy city pairs usually have multiple daily nonstops, while thinner routes may only have direct service a few days per week or only during peak seasons. Use our search above with flexible dates to see which days actually have nonstop options.

What is the cheapest month to fly from Chicago to San Diego?

Prices on ORD to SAN shift with seasonality, school holidays, and major events at both ends. Our 12-month price calendar below the search results shows the lowest fare found per departure date, which makes it easy to spot the cheapest weeks at a glance. Flexibility of a few days around your target date often unlocks significantly lower fares.

Chicago to San Diego flights

Direct and connecting flights from Chicago (ORD) to San Diego (SAN). Compare airlines, aircraft, and fares.

Distance: 2,768 km (1,720 mi)
Flight time: ~3h 35m
Airlines: 3
Aircraft types: 6

Airlines flying ORD → SAN

Airline	Aircraft types	Observations
United Airlines	4	4
Alaska Airlines	1	1
American Airlines	1	1

Aircraft on this route

Boeing 737 — 1 operator
Airbus A321 — 1 operator
Boeing 737 — 1 operator
Airbus A319 — 1 operator
Boeing 737 — 1 operator

Airport details

Departure: Chicago O'Hare International Airport (ORD)

City: Chicago
Country: United States
IATA / ICAO: ORD / KORD

Arrival: San Diego International Airport (SAN)

City: San Diego
Country: United States
IATA / ICAO: SAN / KSAN

Operating airlines

American Airlines (AA)
Alaska Airlines (AS)
United Airlines (UA)

Distance: 2773 km. Duration: 271 minutes.

Other routes from Chicago

Other routes to San Diego

Frequently asked questions

How many airlines fly ORD to SAN?

3 airlines operate the ORD to SAN route in our 90-day observed dataset.

What aircraft fly the ORD-SAN route?

The most commonly observed aircraft on ORD to SAN include: Boeing 737, Airbus A321, Boeing 737.

How long is the Chicago to San Diego flight?

The estimated flight time from Chicago (ORD) to San Diego (SAN) is approximately 3h 35m, based on a cruise speed of 850 km/h.

What's the distance from Chicago to San Diego?

The great-circle distance from Chicago (ORD) to San Diego (SAN) is approximately 2,768 km (1,720 miles).

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