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Cheap flights from Illinois to San Luis Obispo from $117

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 4/13. 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.
United Airlines Logo
6:20 pm - 11:59 pm
ORD
-
SBP
7h 39m
1 stop
United Airlines Logo
2:30 pm - 11:28 pm
SBP
-
ORD
6h 58m
1 stop
$280United Airlines
mar., mars 31 - ven., avr. 10
Alaska Airlines Logo
3:50 pm - 6:42 pm
STL
-
SBP
28h 52m
1 stop
Alaska Airlines Logo
7:34 pm - 3:24 pm
SBP
-
STL
17h 50m
1 stop
$305Alaska Airlines
mar., avr. 14 - ven., avr. 17
United Airlines Logo
6:20 pm - 11:59 pm
ORD
-
SBP
7h 39m
1 stop
United Airlines Logo
5:52 pm - 5:06 am
SBP
-
ORD
9h 14m
1 stop
$309United Airlines
ven., mai 1 - lun., mai 4
American Airlines Logo
5:00 am - 12:10 pm
ORD
-
SBP
9h 10m
1 stop
American Airlines Logo
7:02 pm - 5:21 am
SBP
-
ORD
8h 19m
1 stop
$334American Airlines
ven., avr. 10 - lun., avr. 13
United Airlines Logo
4:35 pm - 11:59 pm
ORD
-
SBP
9h 24m
1 stop
United Airlines Logo
5:00 am - 1:15 pm
SBP
-
ORD
6h 15m
1 stop
$340United Airlines
mar., mars 24 - sam., mars 28
Alaska Airlines Logo
3:50 pm - 5:03 pm
STL
-
SBP
27h 13m
2 stops
Alaska Airlines Logo
7:34 pm - 3:24 pm
SBP
-
STL
17h 50m
1 stop
$356Alaska Airlines
mar., avr. 14 - ven., avr. 17
United Airlines Logo
6:20 pm - 11:44 pm
ORD
-
SBP
7h 24m
1 stop
United Airlines Logo
6:00 pm - 5:18 am
SBP
-
ORD
9h 18m
1 stop
$359United Airlines
mer., mars 11 - dim., mars 15
Alaska Airlines Logo
5:33 pm - 4:58 pm
STL
-
SBP
25h 25m
1 stop
Alaska Airlines Logo
4:14 pm - 3:16 pm
SBP
-
STL
21h 02m
1 stop
$359Alaska Airlines
mer., mai 20 - mer., mai 27
American Airlines Logo
5:00 am - 12:10 pm
ORD
-
SBP
9h 10m
1 stop
American Airlines Logo
7:02 pm - 5:21 am
SBP
-
ORD
8h 19m
1 stop
$379American Airlines
ven., avr. 10 - lun., avr. 13
American Airlines Logo
5:20 am - 12:10 pm
STL
-
SBP
8h 50m
1 stop
American Airlines Logo
7:02 pm - 8:33 am
SBP
-
STL
11h 31m
2 stops
$384American Airlines
mer., mai 20 - mer., mai 27

Alaska Airlines flights from Illinois to San Luis Obispo

Our best Alaska Airlines deals on Illinois to San Luis Obispo flight tickets
Alaska Airlines
Apr 14
STL3:50 pmLambert-St Louis
28h 52m
1 stop
SBP6:42 pmSan Luis Obispo County
Apr 17
SBP7:34 pmSan Luis Obispo County
17h 50m
1 stop
STL3:24 pmLambert-St Louis
$305
Alaska Airlines
Apr 14
STL3:50 pmLambert-St Louis
27h 13m
2 stops
SBP5:03 pmSan Luis Obispo County
Apr 17
SBP7:34 pmSan Luis Obispo County
17h 50m
1 stop
STL3:24 pmLambert-St Louis
$356
Alaska Airlines
May 20
STL5:33 pmLambert-St Louis
25h 25m
1 stop
SBP4:58 pmSan Luis Obispo County
May 27
SBP4:14 pmSan Luis Obispo County
21h 02m
1 stop
STL3:16 pmLambert-St Louis
$359

United Airlines flights from Illinois to San Luis Obispo

Our best United Airlines deals on Illinois to San Luis Obispo flight tickets
United Airlines
Mar 31
ORD6:20 pmChicago O'Hare Intl
7h 39m
1 stop
SBP11:59 pmSan Luis Obispo County
Apr 10
SBP2:30 pmSan Luis Obispo County
6h 58m
1 stop
ORD11:28 pmChicago O'Hare Intl
$280
United Airlines
May 1
ORD6:20 pmChicago O'Hare Intl
7h 39m
1 stop
SBP11:59 pmSan Luis Obispo County
May 4
SBP5:52 pmSan Luis Obispo County
9h 14m
1 stop
ORD5:06 amChicago O'Hare Intl
$309
United Airlines
Mar 24
ORD4:35 pmChicago O'Hare Intl
9h 24m
1 stop
SBP11:59 pmSan Luis Obispo County
Mar 28
SBP5:00 amSan Luis Obispo County
6h 15m
1 stop
ORD1:15 pmChicago O'Hare Intl
$340

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 février 26, 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

mar. 3/31

6:20 pm-11:59 pm

1 stop7h 39m

San Luis Obispo County

ven. 4/10

2:30 pm-11:28 pm

1 stop6h 58m

$280

St. LouisSan Luis Obispo

STL - SBP

STLSBP

Lambert-St Louis

mar. 4/14

3:50 pm-6:42 pm

1 stop28h 52m

San Luis Obispo County

ven. 4/17

7:34 pm-3:24 pm

1 stop17h 50m

$305

ChicagoSan Luis Obispo

ORD - SBP

ORDSBP

Chicago O'Hare Intl

ven. 5/1

6:20 pm-11:59 pm

1 stop7h 39m

San Luis Obispo County

lun. 5/4

5:52 pm-5:06 am

1 stop9h 14m

$309

ChicagoSan Luis Obispo

ORD - SBP

ORDSBP

Chicago O'Hare Intl

ven. 4/10

5:00 am-12:10 pm

1 stop9h 10m

San Luis Obispo County

lun. 4/13

7:02 pm-5:21 am

1 stop8h 19m

$334

ChicagoSan Luis Obispo

ORD - SBP

ORDSBP

Chicago O'Hare Intl

mar. 3/24

4:35 pm-11:59 pm

1 stop9h 24m

San Luis Obispo County

sam. 3/28

5:00 am-1:15 pm

1 stop6h 15m

$340

St. LouisSan Luis Obispo

STL - SBP

STLSBP

Lambert-St Louis

mar. 4/14

3:50 pm-5:03 pm

2 stops27h 13m

San Luis Obispo County

ven. 4/17

7:34 pm-3:24 pm

1 stop17h 50m

$356

ChicagoSan Luis Obispo

ORD - SBP

ORDSBP

Chicago O'Hare Intl

mer. 3/11

6:20 pm-11:44 pm

1 stop7h 24m

San Luis Obispo County

dim. 3/15

6:00 pm-5:18 am

1 stop9h 18m

$359

St. LouisSan Luis Obispo

STL - SBP

STLSBP

Lambert-St Louis

mer. 5/20

5:33 pm-4:58 pm

1 stop25h 25m

San Luis Obispo County

mer. 5/27

4:14 pm-3:16 pm

1 stop21h 02m

$359

ChicagoSan Luis Obispo

ORD - SBP

ORDSBP

Chicago O'Hare Intl

ven. 4/10

5:00 am-12:10 pm

1 stop9h 10m

San Luis Obispo County

lun. 4/13

7:02 pm-5:21 am

1 stop8h 19m

$379

St. LouisSan Luis Obispo

STL - SBP

STLSBP

Lambert-St Louis

mer. 5/20

5:20 am-12:10 pm

1 stop8h 50m

San Luis Obispo County

mer. 5/27

7:02 pm-8:33 am

2 stops11h 31m

$384

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 18% 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

6h 39m

Direct flights

None
The fastest flight from Illinois to San Luis Obispo takes 6h 39m
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
11,352 reviews
Search American Airlines flights
United AirlinesPriceFrom $276Free CancellationRating
7.4
9,348 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
San Simeon
Cayucos
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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