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$65+ Cheap flights from Sacramento (SMF) 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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — ORD
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Sacramento to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Sacramento (SMF) 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 18, 2024.

Round-trip from

$256
(Delta)

One-way from

$65
(CheapOair)
From Sacramento Intl to Illinois
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One-way flight from Sacramento Intl to Illinois
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Find flight deals from Sacramento to Illinois

Cheapest flights from Sacramento to Illinois
Explore the most affordable flight options available from Sacramento to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/257:38 pmSMF - ORD
1 stop21h 56mMultiple Airlines
Sat 1/1112:56 pmORD - SMF
1 stop9h 09mMultiple Airlines
Deal found 12/16$270
This Mytrip deal was found by Cheapflights users on 12/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/315:30 amSMF - ORD
2 stops25h 07mSpirit Airlines
Wed 1/86:15 amORD - SMF
2 stops20h 14mSpirit Airlines
Deal found 12/17$278
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/246:15 amSMF - ORD
1 stop8h 54mDelta
Fri 1/102:25 pmORD - SMF
1 stop9h 21mDelta
Deal found 12/17$361
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/246:15 amSMF - MDW
1 stop8h 56mDelta
Fri 1/109:34 amMDW - SMF
2 stops10h 20mDelta
Deal found 12/17$369
This American Airlines deal was found by Cheapflights users on 12/18. 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.
Tue 12/2412:25 amSMF - ORD
Nonstop4h 09mAmerican Airlines
Tue 12/318:30 pmORD - SMF
Nonstop4h 54mAmerican Airlines
Deal found 12/18$391
This Southwest deal was found by Cheapflights users on 12/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2512:25 pmSMF - MDW
1 stop6h 15mSouthwest
Sat 1/113:35 pmMDW - SMF
Nonstop4h 35mSouthwest
Deal found 12/16$429
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Sun 12/2912:25 amSMF - MLI
1 stop8h 31mAmerican Airlines
Sun 1/55:37 pmMLI - SMF
1 stop7h 47mAmerican Airlines
Deal found 12/16$474
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/242:13 pmSMF - ORD
Nonstop4h 12mUnited Airlines
Tue 12/314:15 pmORD - SMF
Nonstop4h 42mUnited Airlines
Deal found 12/17$475
This CheapOair deal was found by Cheapflights users on 12/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/257:38 pmSMF - ORD
1 stop21h 56mFrontier
Mon 12/306:00 amORD - SMF
1 stop14h 48mFrontier
Deal found 12/18$478
This Southwest deal was found by Cheapflights users on 12/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/259:45 amSMF - ORD
2 stops10h 50mSouthwest
Tue 12/316:15 amORD - SMF
1 stop10h 55mSouthwest
Deal found 12/17$520
This Alaska Airlines deal was found by Cheapflights users on 12/18. 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.
Mon 12/303:42 pmSMF - ORD
1 stop18h 28mAlaska Airlines
Tue 1/77:45 amORD - SMF
2 stops9h 46mAlaska Airlines
Deal found 12/18$578
This CheapOair deal was found by Cheapflights users on 12/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/207:38 pmSMF - MDW
1 stop15h 30mFrontier
Sat 1/47:00 amMDW - SMF
1 stop13h 00mFrontier
Deal found 12/18$593

Find flights from Sacramento to Illinois within your budget

Customize your flight search to find flights from Sacramento 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 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Tue 2/18

5:30 am-1:43 pm

1 stop6h 13m

Lambert-St Louis

Thu 2/20

6:59 pm-11:48 pm

1 stop6h 49m

$256

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Sat 1/18

8:00 am-8:43 pm

2 stops10h 43m

Lambert-St Louis

Mon 1/20

4:36 pm-9:20 pm

1 stop6h 44m

$257

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Wed 1/22

5:55 am-4:20 pm

2 stops8h 25m

Lambert-St Louis

Wed 1/29

5:03 am-12:10 pm

2 stops9h 07m

$261

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

Mon 1/6

7:30 pm-5:30 am

1 stop8h 00m

Chicago O'Hare Intl

Wed 1/8

9:54 pm-8:05 pm

1 stop24h 11m

$266

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

Fri 2/14

9:16 pm-9:50 pm

1 stop22h 34m

Chicago O'Hare Intl

Mon 2/17

7:54 pm-6:46 pm

1 stop24h 52m

$267

SacramentoPeoria

SMF - PIA

SMFPIA

Sacramento Intl

Fri 1/10

11:11 am-9:21 pm

1 stop8h 10m

Greater Peoria

Sun 1/12

3:33 pm-10:57 pm

1 stop9h 24m

$288

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Wed 4/9

3:00 pm-11:59 pm

1 stop6h 59m

Lambert-St Louis

Mon 4/14

6:44 am-1:26 pm

1 stop8h 42m

$296

SacramentoChicago

SMF - MDW

SMFMDW

Sacramento Intl

Sat 2/8

12:33 pm-11:44 am

1 stop21h 11m

Chicago Midway

Sun 2/16

6:40 am-6:46 pm

2 stops14h 06m

$300

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

Wed 1/29

2:35 pm-1:07 pm

2 stops20h 32m

Chicago O'Hare Intl

Tue 2/4

6:55 pm-9:50 am

1 stop16h 55m

$307

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

Sat 2/8

12:33 pm-5:25 pm

1 stop26h 52m

Chicago O'Hare Intl

Sun 2/16

6:50 am-12:27 pm

1 stop7h 37m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 49 results
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Best time to book a flight from Sacramento to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Sacramento 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 Sacramento to Illinois

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

What is the cheapest month to book a flight from Sacramento to Illinois?

Currently, September is the cheapest month in which you can book a flight from Sacramento to Illinois (average of $232). Flying from Sacramento 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 SMF to IL?

Find hourly flight availability from Sacramento 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 18, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sacramento 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 18, 2024.
Get a feel of what it's like to fly with Frontier, Alaska Airlines and United Airlines from Sacramento to Illinois by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,848 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
4,848 reviews
Southwest
8.1
Very good
4,848 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,554 reviews
Southwest
8.1
Very good
4,848 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,604 reviews
Southwest
8.1
Very good
4,848 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
9,055 reviews
Southwest
8.1
Very good
4,848 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,848 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

Find useful and relevant information for your journey from Sacramento 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 Sacramento to Illinois?

    Most people fly from Sacramento Intl (SMF) if they book a flight from Sacramento to Illinois. Sacramento Intl is conveniently located just 9.4 mi from Sacramento’s city center.

  • What are the cheapest airlines to fly from Sacramento to Illinois one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $65. Spirit Airlines flights start at $96 while deals on Alaska Airlines start at $99 one-way.

  • What are the most popular routes from Sacramento to Illinois?

    The most popular flight routes from Sacramento to Illinois are Sacramento Intl - Chicago O'Hare Intl, Sacramento Intl - Lambert-St Louis and Sacramento Intl - Chicago Midway.

  • What are the most reliable airlines from Sacramento to Illinois?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Sacramento to Illinois on time: American Airlines (95%), United Airlines (94%), Air Canada (91%).

  • What are the cheapest flights from Sacramento to Illinois?

    Looking for the cheapest flight from Sacramento to Illinois? While on average our users pay $1,006, our data indicates the cheapest price to be $182. The most popular route (Sacramento Intl - Chicago O'Hare Intl), is priced around $149.

  • Can I find deals for flights from Sacramento to Illinois that include hotel bookings?

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

  • How can I find direct flights from Sacramento to Illinois?

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

  • Can I find deals for business class flights from Sacramento to Illinois?

    Yes. Cheapflights offers flight deals from Sacramento 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 Sacramento to Illinois?

    Currently, September is the cheapest month in which you can book a flight from Sacramento to Illinois (average of $232). Flying from Sacramento 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.

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Alternative routes for Sacramento to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Sacramento to Illinois

Discover the top 6 airlines that operate flights from Sacramento 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 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$215FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$163Average$285FlexibilityNo cancel feeOn-time65%
DeltaCheapest$221Average$554FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$250Average$510FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$265Average$587FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$384Average$505FlexibilityNo cancel feeOn-time63%
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