Cheap flights from Illinois to San Luis Obispo from $272
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to San Luis Obispo departing on 3/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Illinois to San Luis Obispo
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Cheap bus & train deals from Illinois to San Luis Obispo
All round-trip flight deals from Illinois to San Luis Obispo
United Airlines flights from Illinois to San Luis Obispo
Our best United Airlines deals on Illinois to San Luis Obispo flight tickets
American Airlines flights from Illinois to San Luis Obispo
Our best American Airlines deals on Illinois to San Luis Obispo flight tickets
See travel insights to San Luis Obispo from
How to get the cheapest flight ticket from Illinois to San Luis Obispo
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to San Luis Obispo?
In general, December is the cheapest month to fly from Illinois to San Luis Obispo. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $336. The month of November is another great option to travel to San Luis Obispo, with average flight prices from Illinois averaging around $401.
What is the cheapest day to depart on your flight to San Luis Obispo?
On average, the least expensive day to fly to San Luis Obispo from Illinois is on a Saturday. momondo users have found tickets for Saturday departures for as low as $452. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to San Luis Obispo for around $693.
What is the cheapest airline that flies from Illinois to San Luis Obispo County?
American Airlines and United Airlines are the most popular carriers operating from Illinois to San Luis Obispo County
What airlines fly to San Luis Obispo?
American Airlines, United Airlines and Delta are the top three most popular airlines that fly to San Luis Obispo from Illinois according to our data. American Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to San Luis Obispo. Keep in mind that there are 3 different airlines that fly to San Luis Obispo on a routine basis, so you have a few additional options to choose from.
Cheap Illinois to San Luis Obispo flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to San Luis Obispo
When did momondo last update prices for flights from Illinois to San Luis Obispo County Airport?
Prices for flights from Illinois to San Luis Obispo County Airport were last updated today.
How many operators does momondo search for flights from Illinois to San Luis Obispo County Airport?
As of January 2025, there are 2 operators available to choose from for flights from Illinois to San Luis Obispo County Airport.
How old do you have to be to fly from Illinois to San Luis Obispo County Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to San Luis Obispo County Airport.
What documentation or ID do you need to fly to San Luis Obispo County Airport?
The required travel and health documents for your San Luis Obispo County Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Luis Obispo County Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Illinois to San Luis Obispo
Compare and see reviews for airlines that fly from Illinois to San Luis Obispo with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $326 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $538 | Free Cancellation | Rating 7.4 8,984 reviews |
Traveling to a place near San Luis Obispo?
Book flights to San Luis Obispo if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Illinois to San Luis Obispo?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Luis Obispo from Illinois.
Can I find flights from Illinois to San Luis Obispo with flexible booking policies on momondo?
momondo does allow users to show only those flights to San Luis Obispo from Illinois which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Illinois to San Luis Obispo?
momondo helps you find the best flight between Illinois and San Luis Obispo by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Illinois to San Luis Obispo right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to San Luis Obispo from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.