Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from San Diego to Chicago. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from San Diego to Chicago, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
The cheapest one-way flight from San Diego to Chicago departs on 08/21/2026, is operated by Frontier Airlines and costs $123
The cheapest roundtrip flight from San Diego to Chicago departs on 08/01/2026, is operated by Frontier Airlines and costs $269
Fastest flight from San Diego to Chicago takes 19h 51m
There are direct flights on this route 1 day a week: Fr
The distance between San Diego and Chicago is 2786km (1727 miles). There are 53 direct flights from San Diego to Chicago. The time difference between San Diego and Chicago is 2h. Flights from San Diego begin at 6:15 AM. The latest flight from San Diego departs at 10:59 PM
The San Diego — Chicago route is served by multiple airlines, including Southwest Airlines and Frontier Airlines. This is convenient for those who want the best balance of price, schedule, and travel conditions. Tickets start from $123, and depending on season and promotions, even better deals may appear. With our service, you can easily compare available options and book tickets that match your plans. The variety of carriers allows flexible choices and comfortable travel without overpaying.
starting at $169
starting at $123
San Diego — Chicago
08/21/2026
Departure
Direct flight
WN3001
starting at $169
There are most likely no direct flights on the San Diego — Chicago route
San Diego, a vibrant city in the United States, offers two major airports for outbound travelers: San Diego International Airport (SAN) and Tijuana International Airport (TIJ). SAN, conveniently located just 3 miles from downtown, provides numerous benefits. It boasts direct flights to over 50 destinations, ensuring travelers have a wide range of options. With prestigious airlines such as Delta, United, and Southwest operating here, passengers can expect excellent service and connections. Additionally, SAN offers modern facilities, dining options, and efficient security procedures, minimizing wait times. While SAN is convenient, it's important to consider the downsides. Due to its popularity, flights from this airport can be relatively expensive. Moreover, depending on traffic, it may take longer to reach the airport, potentially impacting departure time. However, the close proximity to downtown makes up for this inconvenience, allowing travelers to explore the city before their flights. Alternatively, TIJ in nearby Tijuana, Mexico, offers unique advantages. With budget airlines like Volaris and Interjet, travelers can find more affordable flights. TIJ's location also allows passengers to save on airfare, especially when traveling to destinations in Mexico and beyond. However, crossing the US-Mexico border might add additional time to the journey, requiring careful planning to avoid delays. Ultimately, choosing between SAN and TIJ depends on personal preferences and travel needs. While SAN offers convenience and prestigious airlines, TIJ presents cost-saving opportunities and access to a wider range of destinations. Travelers should consider proximity, desired airlines, and budget constraints to make an informed decision while planning their departure from San Diego. Find the best air tickets deals on our website and embark on memorable adventures hassle-free!
The cheapest flight ticket from San Diego to Chicago according to data for the last 48 hours costs $123
Often the best time to buy tickets from San Diego to Chicago is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from San Diego to Chicago can be found flying in these months: July, November, February.
The fastest flights from San Diego to Chicago start from 19 hours 51 minutes in the air.
The following airlines operate direct flights on the route San Diego — Chicago: Southwest Airlines
In different months, ticket prices from San Diego to Chicago vary: minimum — $135 (July 2026), maximum — $179 (February 2027). Typically, the flight costs $151–$318.
Prices on the San Diego — Chicago route are consistently going up. From July 2026 to February 2027, tickets went from $135 to $179 — a 33% increase. This trend is worth considering when planning your trip.
The most significant price increase was from July 2026 to February 2027 — up 33%. The best time to fly is July 2026–November 2026, when the average price is $137. In November 2026–February 2027, tickets cost around $159.
Given the rising prices, it's best not to delay your purchase. Flying in July 2026–November 2026 can save you up to 14% compared to the most expensive months.
Price variation across months on this route is 13.4%. Your choice of departure month significantly affects the total flight cost.
We couldn't find any special offers for flights from San Diego to Chicago
Welcome to Chicago, the vibrant city known for its iconic skyscrapers and bustling streets! When it comes to air travel, Chicago is served by two major airports: O'Hare International Airport (ORD) and Midway International Airport (MDW). O'Hare International Airport, located about 17 miles northwest of downtown, is one of the busiest airports in the world. Its vast size and extensive network of flights make it a popular choice for travelers. It offers a wide range of international and domestic flights, connecting you to numerous destinations worldwide. While getting to O'Hare might take a bit longer due to its distance from the city center, the convenient access to public transportation and various shuttle services help ease the commute. On the other hand, Midway International Airport, situated about 10 miles southwest of downtown, provides a more streamlined and efficient experience. With its smaller size, navigating the airport is a breeze and it generally offers shorter security lines and quicker check-in processes. Midway serves a range of domestic flights, making it an excellent choice for those traveling within the United States. Both airports are hubs for major airlines, adding to the convenience of travel. O'Hare hosts airlines like United, Delta, and American Airlines, providing prestigious options for passengers. Similarly, Midway is a hub for Southwest Airlines, known for its customer-friendly services and affordable fares. While O'Hare may offer a more extensive flight network and global connectivity, Midway's smaller size and efficiency make it a top choice for many travelers. Consider your priorities, destination, and travel plans when selecting the best airport for your arrival in Chicago. When searching for air tickets to Chicago, make sure to compare prices and airline options for both O'Hare International Airport and Midway International Airport. This will ensure you find the best deal and the most convenient way to start your journey in the Windy City. Happy travels!