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$171+ Cheap flights from San Luis Obispo (SBP) to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — ORD
Dec 7 — Dec 141
Sat 12/7
Sat 12/14
1 adult, Economy
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Cheap flight deals from San Luis Obispo to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from San Luis Obispo (SBP) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 2, 2024.

Find flight deals from San Luis Obispo to Illinois

Cheapest flights from San Luis Obispo to Illinois
Explore the most affordable flight options available from San Luis Obispo to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 2, 2024.

This United Airlines deal was found by Cheapflights users on 12/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/155:00 amSBP - ORD
1 stop26h 31mUnited Airlines
Tue 12/318:20 pmORD - SBP
1 stop18h 58mUnited Airlines
Deal found 12/1$612
This American Airlines deal was found by Cheapflights users on 11/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/194:28 pmSBP - ORD
1 stop6h 03mAmerican Airlines
Sun 12/226:00 amORD - SBP
1 stop8h 12mAmerican Airlines
Deal found 11/30$645
This Alaska Airlines deal was found by Cheapflights users on 12/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/153:11 pmSBP - ORD
2 stops23h 48mAlaska Airlines
Thu 1/28:00 amORD - SBP
1 stop9h 58mAlaska Airlines
Deal found 12/1$662
This United Airlines deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/172:22 pmSBP - PIA
2 stops17h 57mUnited Airlines
Sat 12/216:30 amPIA - SBP
2 stops19h 29mUnited Airlines
Deal found 12/2$848

Find flights from San Luis Obispo to Illinois within your budget

Customize your flight search to find flights from San Luis Obispo to Illinois 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, Cheapflights users made 2,650,959 searches. Data last updated December 2, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San Luis ObispoChicago

SBP - ORD

SBPORD

San Luis Obispo County

Sat 1/25

4:15 pm-1:07 pm

2 stops18h 52m

Chicago O'Hare Intl

Sat 2/8

6:55 pm-3:21 pm

1 stop22h 26m

$309

San Luis ObispoChicago

SBP - ORD

SBPORD

San Luis Obispo County

Sat 2/1

12:39 pm-9:13 pm

1 stop6h 34m

Chicago O'Hare Intl

Sat 2/15

2:00 pm-6:36 pm

1 stop6h 36m

$326

San Luis ObispoChicago

SBP - ORD

SBPORD

San Luis Obispo County

Thu 1/16

7:20 am-11:59 pm

2 stops14h 39m

Chicago O'Hare Intl

Sun 1/19

2:35 pm-11:59 pm

1 stop11h 24m

$526

San Luis ObispoPeoria

SBP - PIA

SBPPIA

San Luis Obispo County

Mon 1/6

6:01 pm-10:19 am

2 stops14h 18m

Greater Peoria

Sat 1/18

3:36 pm-1:21 pm

2 stops23h 45m

$567

San Luis ObispoPeoria

SBP - PIA

SBPPIA

San Luis Obispo County

Mon 1/6

12:32 pm-9:26 pm

1 stop6h 54m

Greater Peoria

Sat 1/18

5:00 am-6:41 pm

2 stops15h 41m

$578

San Luis ObispoChicago

SBP - ORD

SBPORD

San Luis Obispo County

Sun 2/16

7:20 pm-5:53 am

1 stop8h 33m

$171

San Luis ObispoChicago

SBP - ORD

SBPORD

San Luis Obispo County

Sun 12/29

7:07 pm-5:16 am

1 stop8h 09m

$266

San Luis ObispoChicago

SBP - ORD

SBPORD

San Luis Obispo County

Mon 12/30

6:01 pm-2:40 pm

2 stops18h 39m

$318

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Best time to book a flight from San Luis Obispo to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from San Luis Obispo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San Luis Obispo to Illinois

Get recent, data-driven insights about flights from San Luis Obispo to Illinois including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from San Luis Obispo to Illinois?

Currently, September is the cheapest month in which you can book a flight from San Luis Obispo to Illinois (average of $232). Flying from San Luis Obispo to Illinois in June is currently the most expensive (average of $308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SBP to IL?

Find hourly flight availability from San Luis Obispo to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 2, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Luis Obispo to Illinois as you normally would.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated December 2, 2024.
Get a feel of what it's like to fly with American Airlines and United Airlines from San Luis Obispo to Illinois by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,508 reviews

Boarding

8.2

Food

7.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.9

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

Alaska Airlines
8.0
Very good
9,508 reviews
Alaska Airlines
8.0
Very good
9,508 reviews

Boarding

8.2

Food

7.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.9

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

United Airlines
7.4
Good
9,141 reviews
Alaska Airlines
8.0
Very good
9,508 reviews

Boarding

8.2

Food

7.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.9

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,508 reviews

Boarding

8.2

Food

7.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.9

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

Related info for your journey

Find useful and relevant information for your journey from San Luis Obispo to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Luis Obispo to Illinois?

    Most people fly from San Luis Obispo County (SBP) if they book a flight from San Luis Obispo to Illinois. San Luis Obispo County is conveniently located just 3.3 mi from San Luis Obispo’s city center.

  • What are the cheapest airlines to fly from San Luis Obispo to Illinois one-way?

    The cheapest airlines for a one-way flight from San Luis Obispo to Illinois are Alaska Airlines ($171), American Airlines ($266), and United Airlines ($318).

  • Can I find deals for flights from San Luis Obispo to Illinois that include hotel bookings?

    Yes. In addition to deals on San Luis Obispo to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Luis Obispo to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Luis Obispo to Illinois.

  • Can I find deals for business class flights from San Luis Obispo to Illinois?

    Yes. Cheapflights offers flight deals from San Luis Obispo to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Luis Obispo to Illinois?

    Currently, September is the cheapest month in which you can book a flight from San Luis Obispo to Illinois (average of $232). Flying from San Luis Obispo to Illinois in June is currently the most expensive (average of $308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for San Luis Obispo to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from San Luis Obispo to Illinois

Discover the top 2 airlines that operate flights from San Luis Obispo to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,650,959 searches. Data last updated December 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$338Average$554FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$445Average$635FlexibilityNo cancel feeOn-time69%
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