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Cheap flights from San Luis Obispo (SBP) to Illinois from $364

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/31. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SBP — ORD
May 11 — May 181
From?
To?
Sat 5/11
Sat 5/18
1 adult, Economy
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How far in advance should I book a flight from San Luis Obispo to Illinois?

Users have found that booking a flight from San Luis Obispo to Illinois at least 45 days early can save you up to 98% on average compared to booking a flight this week. If booking 45 days before your flight isn’t an option for you, users have found flights from San Luis Obispo to Illinois for as little as $608 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $608 for flights departing within the next 3 days.

What is the cheapest month to fly from San Luis Obispo to Illinois?

Due to multiple factors, expect to potentially pay more when booking in April. For low rates, September can be a great choice for travel to Illinois. Flights to Illinois from San Luis Obispo in September are about $692 on average during September, but can be found for as low as $367.

When is the cheapest time to fly from San Luis Obispo to Illinois (SBP - IL)?

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.

Cheap Alaska Airlines flights from San Luis Obispo to Illinois

Explore cheap flight options specifically provided by Alaska Airlines for the route between San Luis Obispo and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 6, 2024.
Peruse some of the lowest-priced Alaska Airlines flights we've found from San Luis Obispo to Illinois. Deals update often to give you more flight options matching your criteria
Thu 5/302:20 pmSBP - ORD
1 stop12h 20mAlaska Airlines
Mon 6/38:00 amORD - SBP
2 stops16h 24mAlaska Airlines
Deal found 5/5$411
Thu 5/302:20 pmSBP - ORD
1 stop12h 20mAlaska Airlines
Mon 6/39:20 pmORD - SBP
1 stop27h 04mAlaska Airlines
Deal found 5/5$424
Thu 5/306:00 amSBP - ORD
2 stops22h 20mAlaska Airlines
Mon 6/38:00 amORD - SBP
2 stops16h 24mAlaska Airlines
Deal found 5/5$437
Wed 7/101:52 pmSBP - ORD
2 stops13h 23mAlaska Airlines
Tue 7/166:35 amORD - SBP
2 stops32h 37mAlaska Airlines
Deal found 5/5$445
Sat 6/82:20 pmSBP - ORD
1 stop21h 34mAlaska Airlines
Wed 6/128:00 amORD - SBP
2 stops16h 15mAlaska Airlines
Deal found 5/5$450
Wed 6/52:20 pmSBP - ORD
1 stop12h 20mAlaska Airlines
Fri 6/76:00 amORD - SBP
1 stop18h 24mAlaska Airlines
Deal found 5/5$453
Fri 6/72:20 pmSBP - ORD
1 stop21h 34mAlaska Airlines
Tue 6/117:00 amORD - SBP
2 stops16h 48mAlaska Airlines
Deal found 5/5$473
Tue 7/3012:52 pmSBP - ORD
1 stop14h 23mAlaska Airlines
Wed 8/78:00 amORD - SBP
1 stop30h 12mAlaska Airlines
Deal found 5/5$489
Mon 10/143:23 pmSBP - ORD
2 stops23h 24mAlaska Airlines
Sun 10/207:00 amORD - SBP
2 stops9h 25mAlaska Airlines
Deal found 5/5$494

Cheap American Airlines flights from San Luis Obispo to Illinois

Explore cheap flight options specifically provided by American Airlines for the route between San Luis Obispo and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 6, 2024.
Take a gander at the lowest prices we've found on American Airlines flights from San Luis Obispo to Illinois. Check back soon if you're not seeing flights that suit your needs.
Wed 7/106:00 amSBP - ORD
1 stop9h 22mAmerican Airlines
Tue 7/165:00 amORD - SBP
1 stop8h 40mAmerican Airlines
Deal found 5/5$508
Wed 7/106:10 amSBP - ORD
2 stops9h 12mAmerican Airlines
Tue 7/165:10 amORD - SBP
1 stop8h 40mAmerican Airlines
Deal found 5/5$513
Sat 8/246:00 amSBP - ORD
2 stops9h 24mAmerican Airlines
Mon 8/269:58 amORD - SBP
1 stop7h 26mAmerican Airlines
Deal found 5/5$533
Wed 7/312:27 pmSBP - ORD
1 stop6h 58mAmerican Airlines
Sun 7/76:00 amORD - SBP
1 stop7h 40mAmerican Airlines
Deal found 5/5$538
Wed 6/512:26 pmSBP - ORD
2 stops9h 15mAmerican Airlines
Fri 6/76:02 amORD - SBP
1 stop7h 45mAmerican Airlines
Deal found 5/5$573
Fri 8/236:00 amSBP - ORD
2 stops9h 24mAmerican Airlines
Sun 8/258:49 amORD - SBP
2 stops8h 35mAmerican Airlines
Deal found 5/5$728
Sat 8/3112:21 pmSBP - PIA
1 stop7h 13mAmerican Airlines
Wed 9/47:22 amPIA - SBP
1 stop6h 18mAmerican Airlines
Deal found 5/4$758
Sat 8/3112:21 pmSBP - PIA
1 stop7h 13mAmerican Airlines
Wed 9/47:30 amPIA - SBP
2 stops9h 53mAmerican Airlines
Deal found 5/4$761
Thu 8/226:00 amSBP - ORD
1 stop6h 12mAmerican Airlines
Sun 8/257:00 amORD - SBP
1 stop6h 34mAmerican Airlines
Deal found 5/5$778

Cheap San Luis Obispo to Illinois flights in May & June 2024

Find cheap flight options from San Luis Obispo to Illinois specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Prices were last updated on May 6, 2024.
Check out some of the best flight deals from San Luis Obispo to Illinois in 2024. Check back regularly for other flight deals.
Thu 5/302:20 pmSBP - ORD
1 stop12h 20mAlaska Airlines
Mon 6/38:00 amORD - SBP
2 stops16h 24mAlaska Airlines
Deal found 5/5$411
Thu 5/302:20 pmSBP - ORD
1 stop12h 20mAlaska Airlines
Mon 6/39:20 pmORD - SBP
1 stop27h 04mAlaska Airlines
Deal found 5/5$424
Thu 5/306:00 amSBP - ORD
2 stops22h 20mAlaska Airlines
Mon 6/38:00 amORD - SBP
2 stops16h 24mAlaska Airlines
Deal found 5/5$437
Sat 6/82:20 pmSBP - ORD
1 stop21h 34mAlaska Airlines
Wed 6/128:00 amORD - SBP
2 stops16h 15mAlaska Airlines
Deal found 5/5$450
Wed 6/52:20 pmSBP - ORD
1 stop12h 20mAlaska Airlines
Fri 6/76:00 amORD - SBP
1 stop18h 24mAlaska Airlines
Deal found 5/5$453
Fri 6/72:20 pmSBP - ORD
1 stop21h 34mAlaska Airlines
Tue 6/117:00 amORD - SBP
2 stops16h 48mAlaska Airlines
Deal found 5/5$473
Sat 6/810:40 amSBP - ORD
1 stop16h 42mUnited Airlines
Wed 6/127:10 amORD - SBP
1 stop18h 49mUnited Airlines
Deal found 5/5$520
Fri 6/285:15 amSBP - ORD
1 stop15h 40mUnited Airlines
Fri 7/57:10 amORD - SBP
1 stop18h 48mUnited Airlines
Deal found 5/5$528
Fri 6/285:15 amSBP - ORD
1 stop15h 40mUnited Airlines
Fri 7/59:08 pmORD - SBP
2 stops15h 08mUnited Airlines
Deal found 5/5$534

San Luis Obispo to Illinois 2024 flight deals

Discover exclusive flight deals for travel between San Luis Obispo and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 6, 2024.
Check out some of the best flight deals from San Luis Obispo to Illinois in 2024. Check back regularly for other flight deals.
Sat 8/318:40 pmSBP - PIA
2 stops11h 37mUnited Airlines
Wed 9/46:45 amPIA - SBP
2 stops12h 51mUnited Airlines
Deal found 5/4$364
Thu 5/302:20 pmSBP - ORD
1 stop12h 20mAlaska Airlines
Mon 6/38:00 amORD - SBP
2 stops16h 24mAlaska Airlines
Deal found 5/5$411
Thu 5/302:20 pmSBP - ORD
1 stop12h 20mAlaska Airlines
Mon 6/39:20 pmORD - SBP
1 stop27h 04mAlaska Airlines
Deal found 5/5$424
Thu 5/306:00 amSBP - ORD
2 stops22h 20mAlaska Airlines
Mon 6/38:00 amORD - SBP
2 stops16h 24mAlaska Airlines
Deal found 5/5$437
Wed 7/101:52 pmSBP - ORD
2 stops13h 23mAlaska Airlines
Tue 7/166:35 amORD - SBP
2 stops32h 37mAlaska Airlines
Deal found 5/5$445
Sat 6/82:20 pmSBP - ORD
1 stop21h 34mAlaska Airlines
Wed 6/128:00 amORD - SBP
2 stops16h 15mAlaska Airlines
Deal found 5/5$450
Wed 6/52:20 pmSBP - ORD
1 stop12h 20mAlaska Airlines
Fri 6/76:00 amORD - SBP
1 stop18h 24mAlaska Airlines
Deal found 5/5$453
Fri 6/72:20 pmSBP - ORD
1 stop21h 34mAlaska Airlines
Tue 6/117:00 amORD - SBP
2 stops16h 48mAlaska Airlines
Deal found 5/5$473
Tue 7/3012:52 pmSBP - ORD
1 stop14h 23mAlaska Airlines
Wed 8/78:00 amORD - SBP
1 stop30h 12mAlaska Airlines
Deal found 5/5$489

San Luis Obispo to Illinois flights leaving soon

Find last-minute flight options from San Luis Obispo to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 6, 2024.
Have a look at some of the flights available from San Luis Obispo to Illinois departing last-minute. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Tue 5/146:05 amSBP - ORD
2 stops15h 54mUnited Airlines
Wed 5/159:45 pmORD - SBP
1 stop16h 21mUnited Airlines
Deal found 5/4$748
Tue 5/146:15 amSBP - ORD
1 stop16h 41mUnited Airlines
Wed 5/159:45 pmORD - SBP
1 stop16h 21mUnited Airlines
Deal found 5/4$752
Tue 5/146:15 amSBP - ORD
2 stops14h 05mUnited Airlines
Wed 5/1510:36 amORD - SBP
2 stops15h 16mUnited Airlines
Deal found 5/4$753
Tue 5/143:55 pmSBP - ORD
1 stop11h 15mUnited Airlines
Wed 5/1510:36 amORD - SBP
2 stops15h 16mUnited Airlines
Deal found 5/5$757
Tue 5/143:55 pmSBP - ORD
1 stop11h 15mUnited Airlines
Wed 5/151:55 pmORD - SBP
1 stop12h 04mUnited Airlines
Deal found 5/5$825

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 2,719,943 searches. Data last updated May 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$364 - $524

Route

Depart

Return

Price

San Luis Obispo CountyGreater Peoria

SBP - PIA

SBPPIA

San Luis Obispo County

Sat 8/31

2 stops11h 37m

Greater Peoria

Wed 9/4

2 stops12h 51m

$364

San Luis Obispo CountyChicago O'Hare Intl

SBP - ORD

SBPORD

San Luis Obispo County

Thu 5/30

1 stop12h 20m

Chicago O'Hare Intl

Mon 6/3

2 stops16h 24m

$411

San Luis Obispo CountyChicago O'Hare Intl

SBP - ORD

SBPORD

San Luis Obispo County

Thu 5/30

1 stop12h 20m

Chicago O'Hare Intl

Mon 6/3

1 stop27h 04m

$424

San Luis Obispo CountyChicago O'Hare Intl

SBP - ORD

SBPORD

San Luis Obispo County

Thu 5/30

2 stops22h 20m

Chicago O'Hare Intl

Mon 6/3

2 stops16h 24m

$437

San Luis Obispo CountyChicago O'Hare Intl

SBP - ORD

SBPORD

San Luis Obispo County

Wed 7/10

2 stops13h 23m

Chicago O'Hare Intl

Tue 7/16

2 stops32h 37m

$445

San Luis Obispo CountyChicago O'Hare Intl

SBP - ORD

SBPORD

San Luis Obispo County

Wed 7/10

1 stop9h 22m

Chicago O'Hare Intl

Tue 7/16

1 stop8h 40m

$508

San Luis Obispo CountyChicago O'Hare Intl

SBP - ORD

SBPORD

San Luis Obispo County

Wed 7/10

2 stops9h 12m

Chicago O'Hare Intl

Tue 7/16

1 stop8h 40m

$513

San Luis Obispo CountyChicago O'Hare Intl

SBP - ORD

SBPORD

San Luis Obispo County

Sat 6/8

1 stop16h 42m

Chicago O'Hare Intl

Wed 6/12

1 stop18h 49m

$520

San Luis Obispo CountyChicago O'Hare Intl

SBP - ORD

SBPORD

San Luis Obispo County

Thu 8/22

1 stop16h 42m

Chicago O'Hare Intl

Mon 8/26

1 stop13h 14m

$524

Flights are sorted by cheapest first

Deals found on 5/4

No data available for this route at this time. Please check back soon.

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 May 6, 2024.
Get a feel of what it's like to fly with Alaska Airlines, 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
8.1
Very good
9,134 reviews
Check prices

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.1

Entertainment

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,134 reviews
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.1

Entertainment

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
11,090 reviews
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.1

Entertainment

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,697 reviews
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.1

Entertainment

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

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.

  • Can I find flights from San Luis Obispo to Illinois for under $400 on Cheapflights?

    Yes, there are multiple flights from San Luis Obispo to Illinois for under $400. The cheapest flight booked recently is on United Airlines for just $364, but on average you can expect to pay $480.

  • Are there last-minute flights available from San Luis Obispo to Illinois for under $800?

    There are currently 5+ open flights from San Luis Obispo to Illinois within the next 7 days for less than $800.

  • What does SBP to ORD mean?

    Great question - SBP to ORD just means San Luis Obispo County Airport to Chicago O'Hare Intl Airport. Now you’ll know what these unique codes when you look for flights! Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from San Luis Obispo to Illinois that include extra baggage allowance?

    The amount of baggage you can bring on your San Luis Obispo to Illinois flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from San Luis Obispo to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Luis Obispo to Illinois flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from San Luis Obispo to Illinois that allow pets onboard?

    Many airlines flying from San Luis Obispo to Illinois offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from San Luis Obispo to Illinois?

    Yes, you can often find last-minute deals on San Luis Obispo to Illinois flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the San Luis Obispo to Illinois flight deals updated?

    The San Luis Obispo to Illinois flight deals you see on this page were last updated on 5/5.

See more FAQs

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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 2,719,943 searches. Data last updated May 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$344Average$579FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$426Average$548FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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San Luis Obispo to Kansas flights

Search flights from San Luis Obispo to Illinois by cabin class

Find flights from San Luis Obispo to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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How does Cheapflights help users find flights from San Luis Obispo to Illinois?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Illinois from San Luis Obispo today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from San Luis Obispo to Illinois?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Luis Obispo to Illinois.

Can Cheapflights find flights from San Luis Obispo to Illinois with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Luis Obispo to Illinois, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from San Luis Obispo to Illinois become cheaper?

Yes, Cheapflights offers price alerts on San Luis Obispo to Illinois flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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