ORD → SAN
Compare one-way, round-trip and flight + hotel packages from Chicago to San Diego, a nonstop flight of about 4h, with fares from around 260. Nonstop fares seen from Alaska.
Chicago to San Diego is a domestic route covering about 1,719 miles, arriving at San Diego International Airport (SAN) in United States. Peak travel season in San Diego runs June–September (sunny, warm beach weather), while December–February is usually the quietest and best-value time to visit. Nonstop fares we've tracked on this route come from Alaska.
| Departing from | O'Hare International Airport (ORD) |
|---|---|
| Arriving at | San Diego International Airport (SAN) |
| Distance | 1,719 miles (2,769 km) |
| Nonstop flight time | About 4h |
| Nonstop airlines seen | Alaska |
| Round-trip fares from | $260 (estimate) |
| Cheapest months | January, February, September |
| Peak season in San Diego | June–September |
| Cheapest hotel months in San Diego | December–February |
| Best time to book | 1 to 3 months ahead |
| Route info updated | October 16, 2026 |
June–September
Sunny, warm beach weather
March–May & October–November
Mild and pleasant
December–February
Cool with light rain
| Month | Fares from |
|---|---|
| January | $260 |
| February | $265 |
| March | $300 |
| April | $295 |
| May | $285 |
| June | $330 |
| July | $340 |
| August | $355 |
| September | $265 |
| October | $285 |
| November | $305 |
| December | $355 |
Nonstop fares we've tracked on this route come from Alaska. Ducoffs.com compares full-service and low-cost airlines flying between Chicago and San Diego in a single search, including nonstop and one-stop options, so you can weigh price against total travel time.
Fares on this route tend to be lowest in January, February, and September. For the best selection, book about 1 to 3 months before departure and stay flexible by a day or two.
Chicago and San Diego are about 1,719 miles apart. A nonstop flight takes roughly 4h; connecting itineraries usually add 2 to 5 hours.
The best way to secure budget rates is by comparing multiple airlines simultaneously and checking flexible dates. Ducoffs.com scans available partner networks to bring you real-time pricing options.
Based on typical seasonal demand, January, February, and September tend to offer the lowest fares on this route, with estimated round-trip prices starting around $260. Live prices change daily, so run a search for your exact dates.
Chicago and San Diego are about 1,719 miles apart. A nonstop flight takes roughly 4h, while connecting itineraries usually add 2 to 5 hours depending on the layover.
Recent nonstop fares we've tracked on this route come from Alaska. Schedules change by season, so your live search shows every airline flying your dates.
Hotel rates in San Diego are usually lowest in December–February, when demand is quieter, and highest during peak season (June–September). Booking your flight and hotel together can save up to 30%.
This route arrives at San Diego International Airport (SAN). Your search results also show nearby airports when they offer a cheaper or faster option.
For this route, booking about 1 to 3 months before departure usually gives the best balance of price and seat selection. Mid-week departures are often cheaper than weekend flights.
Yes. Bundling your travel components can save you up to 30% compared to booking flights and hotels separately, as airlines and properties offer exclusive package discounts.
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