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Cheap flights from Illinois to San Luis Obispo from $155

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 3/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to San Luis Obispo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
3:07 pm - 11:17 pm
ORD
-
SBP
10h 10m1 stop
Alaska Airlines Logo
7:33 pm - 11:56 pm
SBP
-
ORD
26h 23m1 stop
$281Alaska Airlines
Sat, Feb 28 - Wed, Mar 4
Alaska Airlines Logo
3:07 pm - 11:17 pm
ORD
-
SBP
10h 10m1 stop
Alaska Airlines Logo
6:00 am - 2:58 pm
SBP
-
ORD
6h 58m1 stop
$293Alaska Airlines
Sat, Feb 28 - Wed, Mar 4
Alaska Airlines Logo
7:59 pm - 2:32 pm
ORD
-
SBP
20h 33m1 stop
Alaska Airlines Logo
6:00 am - 2:26 pm
SBP
-
ORD
6h 26m1 stop
$303Alaska Airlines
Fri, Apr 10 - Mon, Apr 13
Alaska Airlines Logo
3:07 pm - 11:17 pm
ORD
-
SBP
10h 10m1 stop
Alaska Airlines Logo
6:00 am - 2:58 pm
SBP
-
ORD
6h 58m1 stop
$313Alaska Airlines
Sat, Feb 28 - Wed, Mar 4
Alaska Airlines Logo
3:07 pm - 11:17 pm
ORD
-
SBP
10h 10m1 stop
Alaska Airlines Logo
6:00 am - 11:59 pm
SBP
-
ORD
15h 59m1 stop
$323Alaska Airlines
Sat, Feb 14 - Sun, Feb 22
Alaska Airlines Logo
3:07 pm - 11:17 pm
ORD
-
SBP
10h 10m1 stop
Alaska Airlines Logo
6:00 am - 11:59 pm
SBP
-
ORD
15h 59m1 stop
$333Alaska Airlines
Thu, Feb 19 - Sun, Feb 22
Alaska Airlines Logo
7:40 am - 11:17 pm
ORD
-
SBP
17h 37m1 stop
Alaska Airlines Logo
7:34 pm - 6:39 am
SBP
-
ORD
9h 05m1 stop
$353Alaska Airlines
Fri, Mar 13 - Wed, Mar 18
Alaska Airlines Logo
7:00 am - 11:17 pm
ORD
-
SBP
18h 17m2 stops
Alaska Airlines Logo
6:00 am - 11:59 pm
SBP
-
ORD
15h 59m1 stop
$358Alaska Airlines
Thu, Feb 19 - Sun, Feb 22
Alaska Airlines Logo
2:09 pm - 2:32 pm
ORD
-
SBP
26h 23m2 stops
Alaska Airlines Logo
6:00 am - 2:26 pm
SBP
-
ORD
6h 26m1 stop
$368Alaska Airlines
Fri, Apr 10 - Mon, Apr 13
American Airlines Logo
5:00 am - 12:03 pm
ORD
-
SBP
9h 03m2 stops
American Airlines Logo
12:45 pm - 11:36 pm
SBP
-
ORD
8h 51m1 stop
$375American Airlines
Sat, Feb 14 - Sun, Feb 22

American Airlines flights from Illinois to San Luis Obispo

Our best American Airlines deals on Illinois to San Luis Obispo flight tickets
American Airlines
Feb 14
ORD5:00 amChicago O'Hare Intl
9h 03m
2 stops
SBP12:03 pmSan Luis Obispo County
Feb 22
SBP12:45 pmSan Luis Obispo County
8h 51m
1 stop
ORD11:36 pmChicago O'Hare Intl
$375
American Airlines
Mar 14
ORD5:00 amChicago O'Hare Intl
9h 03m
1 stop
SBP12:03 pmSan Luis Obispo County
Mar 20
SBP7:10 pmSan Luis Obispo County
8h 15m
1 stop
ORD5:25 amChicago O'Hare Intl
$432
American Airlines
Mar 13
ORD5:26 amChicago O'Hare Intl
8h 36m
1 stop
SBP12:02 pmSan Luis Obispo County
Mar 21
SBP7:05 pmSan Luis Obispo County
8h 20m
1 stop
ORD5:25 amChicago O'Hare Intl
$495

Alaska Airlines flights from Illinois to San Luis Obispo

Our best Alaska Airlines deals on Illinois to San Luis Obispo flight tickets
Alaska Airlines
Feb 28
ORD3:07 pmChicago O'Hare Intl
10h 10m
1 stop
SBP11:17 pmSan Luis Obispo County
Mar 4
SBP7:33 pmSan Luis Obispo County
26h 23m
1 stop
ORD11:56 pmChicago O'Hare Intl
$281
Alaska Airlines
Feb 28
ORD3:07 pmChicago O'Hare Intl
10h 10m
1 stop
SBP11:17 pmSan Luis Obispo County
Mar 4
SBP6:00 amSan Luis Obispo County
6h 58m
1 stop
ORD2:58 pmChicago O'Hare Intl
$293
Alaska Airlines
Apr 10
ORD7:59 pmChicago O'Hare Intl
20h 33m
1 stop
SBP2:32 pmSan Luis Obispo County
Apr 13
SBP6:00 amSan Luis Obispo County
6h 26m
1 stop
ORD2:26 pmChicago O'Hare Intl
$303

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to San Luis Obispo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 11, 2026.
Use the filters below to find and compare flights from Illinois to San Luis Obispo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSan Luis Obispo

ORD - SBP

ORDSBP

Chicago O'Hare Intl

Sat 2/28

3:07 pm-11:17 pm

1 stop10h 10m

San Luis Obispo County

Wed 3/4

7:33 pm-11:56 pm

1 stop26h 23m

$281

ChicagoSan Luis Obispo

ORD - SBP

ORDSBP

Chicago O'Hare Intl

Sat 2/28

3:07 pm-11:17 pm

1 stop10h 10m

San Luis Obispo County

Wed 3/4

6:00 am-2:58 pm

1 stop6h 58m

$293

ChicagoSan Luis Obispo

ORD - SBP

ORDSBP

Chicago O'Hare Intl

Fri 4/10

7:59 pm-2:32 pm

1 stop20h 33m

San Luis Obispo County

Mon 4/13

6:00 am-2:26 pm

1 stop6h 26m

$303

ChicagoSan Luis Obispo

ORD - SBP

ORDSBP

Chicago O'Hare Intl

Sat 2/28

3:07 pm-11:17 pm

1 stop10h 10m

San Luis Obispo County

Wed 3/4

6:00 am-2:58 pm

1 stop6h 58m

$313

ChicagoSan Luis Obispo

ORD - SBP

ORDSBP

Chicago O'Hare Intl

Sat 2/14

3:07 pm-11:17 pm

1 stop10h 10m

San Luis Obispo County

Sun 2/22

6:00 am-11:59 pm

1 stop15h 59m

$323

ChicagoSan Luis Obispo

ORD - SBP

ORDSBP

Chicago O'Hare Intl

Thu 2/19

3:07 pm-11:17 pm

1 stop10h 10m

San Luis Obispo County

Sun 2/22

6:00 am-11:59 pm

1 stop15h 59m

$333

ChicagoSan Luis Obispo

ORD - SBP

ORDSBP

Chicago O'Hare Intl

Fri 3/13

7:40 am-11:17 pm

1 stop17h 37m

San Luis Obispo County

Wed 3/18

7:34 pm-6:39 am

1 stop9h 05m

$353

ChicagoSan Luis Obispo

ORD - SBP

ORDSBP

Chicago O'Hare Intl

Thu 2/19

7:00 am-11:17 pm

2 stops18h 17m

San Luis Obispo County

Sun 2/22

6:00 am-11:59 pm

1 stop15h 59m

$358

ChicagoSan Luis Obispo

ORD - SBP

ORDSBP

Chicago O'Hare Intl

Fri 4/10

2:09 pm-2:32 pm

2 stops26h 23m

San Luis Obispo County

Mon 4/13

6:00 am-2:26 pm

1 stop6h 26m

$368

ChicagoSan Luis Obispo

ORD - SBP

ORDSBP

Chicago O'Hare Intl

Sat 2/14

5:00 am-12:03 pm

2 stops9h 03m

San Luis Obispo County

Sun 2/22

12:45 pm-11:36 pm

1 stop8h 51m

$375

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, January 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 $298. The month of March is another great option to travel to San Luis Obispo, with average flight prices from Illinois averaging around $404.

Can stopping save me money on Illinois to San Luis Obispo flights?

You could potentially save up to 27% on your flight if you consider stops on a Illinois to San Luis Obispo flight.

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

Fastest flight time

5h 45m

Direct flights

None
The fastest flight from Illinois to San Luis Obispo takes 5h 45m
There are no direct flights from Illinois to San Luis Obispo. There are no popular flight routes from Illinois to San Luis Obispo.
Search flight deals

  • 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?

  • 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
American AirlinesPriceFrom $247Free CancellationRating
7.2
11,102 reviews
Search American Airlines flights
United AirlinesPriceFrom $276Free CancellationRating
7.4
9,145 reviews
Search United Airlines flights

Traveling to a place near San Luis Obispo?

Book flights to San Luis Obispo if you plan to visit one of these locations
Pismo Beach
Morro Bay
Paso Robles
Cambria
Avila Beach
Cayucos
San Simeon
Arroyo Grande
Atascadero
Grover Beach

Why 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.

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