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$58+ Cheap flights from Saint Paul, MN 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
MSP — ORD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Saint Paul to Illinois

Keep the following information in mind while searching for Saint Paul to Illinois flight deals. Data was last updated September 11, 2025.

Round-trip from

$92
(Sun Country Air)

One-way from

$58
(Delta)

Popular in

February

Cheapest in

September

Average price

$143
From Saint Paul to Illinois
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One-way flight from Saint Paul to Illinois
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Highest demand for flights based on searches. 15% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Saint Paul to Illinois

Cheapest flights from Saint Paul to Illinois
Explore the most affordable flight options available from Saint Paul to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Priceline deal was found by Cheapflights users on 9/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/88:41 amMSP - ORD
Nonstop1h 35mFrontier
Mon 12/156:13 amORD - MSP
Nonstop1h 33mFrontier
Deal found 9/11$78
This Sun Country Air deal was found by Cheapflights users on 9/11. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/248:54 amMSP - ORD
Nonstop1h 45mSun Country Air
Fri 11/2811:00 amORD - MSP
Nonstop1h 42mSun Country Air
Deal found 9/11$92
This FlightHub deal was found by Cheapflights users on 9/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/64:42 pmMSP - ORD
Nonstop1h 38mSun Country Air
Fri 11/76:14 pmORD - MSP
Nonstop1h 42mSun Country Air
Deal found 9/9$93
This Booking.com deal was found by Cheapflights users on 9/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/244:36 pmMSP - ORD
Nonstop1h 39mSun Country Air
Mon 10/2711:41 amORD - MSP
Nonstop1h 43mSun Country Air
Deal found 9/9$95
This Frontier deal was found by Cheapflights users on 9/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:54 pmMSP - ORD
1 stop12h 05mFrontier
Mon 12/156:13 amORD - MSP
Nonstop1h 33mFrontier
Deal found 9/10$96
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:41 amMSP - ORD
Nonstop1h 35mFrontier
Mon 12/86:13 amORD - MSP
Nonstop1h 33mFrontier
Deal found 9/9$97
This Delta deal was found by Cheapflights users on 9/11. 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.
Sat 10/188:50 amMSP - MDW
Nonstop1h 40mDelta
Tue 10/217:10 pmMDW - MSP
Nonstop1h 39mDelta
Deal found 9/11$101
This Delta deal was found by Cheapflights users on 9/11. 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.
Sat 10/41:43 pmMSP - ORD
Nonstop1h 30mDelta
Tue 12/26:00 amORD - MSP
Nonstop1h 36mDelta
Deal found 9/11$101
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/85:00 amMSP - ORD
Nonstop1h 32mAmerican Airlines
Wed 10/157:36 amORD - MSP
Nonstop1h 39mAmerican Airlines
Deal found 9/10$102
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/144:48 pmMSP - ORD
Nonstop1h 38mSun Country Air
Sun 11/166:08 pmORD - MSP
Nonstop1h 42mSun Country Air
Deal found 9/10$104
This Sun Country Air deal was found by Cheapflights users on 9/11. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/64:42 pmMSP - ORD
Nonstop1h 38mSun Country Air
Sun 11/96:08 pmORD - MSP
Nonstop1h 42mSun Country Air
Deal found 9/11$105
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Thu 10/94:30 pmMSP - ORD
Nonstop1h 39mSun Country Air
Mon 10/1311:41 amORD - MSP
Nonstop1h 43mSun Country Air
Deal found 9/9$106

Cheapflights Fare Finder

 
Customize your flight search to find flights from Saint Paul 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 September 11, 2025.
Use the filters below to find and compare flights from Saint Paul to Illinois that are best for you.

Fly from

Saint Paul

Fly to

Illinois

Route

Depart

Return

Price

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Tue 11/25

9:00 am-10:45 am

Nonstop1h 45m

Chicago O'Hare Intl

Thu 11/27

9:20 am-11:02 am

Nonstop1h 42m

$92

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Sat 10/4

8:00 am-9:43 am

Nonstop1h 43m

Chicago O'Hare Intl

Tue 12/2

7:15 am-8:44 am

Nonstop1h 29m

$101

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Mon 10/13

9:00 am-10:39 am

Nonstop1h 39m

Chicago O'Hare Intl

Thu 10/16

8:21 pm-10:04 pm

Nonstop1h 43m

$105

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Thu 11/27

1:29 pm-3:02 pm

Nonstop1h 33m

Chicago O'Hare Intl

Tue 12/2

11:03 am-12:36 pm

Nonstop1h 33m

$115

MinneapolisChicago

MSP - MDW

MSPMDW

Minneapolis St Paul

Sun 10/5

7:14 am-8:53 am

Nonstop1h 39m

Chicago Midway

Wed 10/8

9:20 am-11:02 am

Nonstop1h 42m

$117

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Sun 10/5

6:55 am-8:25 am

Nonstop1h 30m

Chicago O'Hare Intl

Wed 10/8

6:08 am-7:35 am

Nonstop1h 27m

$117

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Wed 10/15

3:22 pm-5:04 pm

Nonstop1h 42m

Chicago O'Hare Intl

Sun 10/19

5:37 pm-7:15 pm

Nonstop1h 38m

$117

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Tue 11/25

9:00 am-10:45 am

Nonstop1h 45m

Chicago O'Hare Intl

Sat 11/29

8:22 pm-10:04 pm

Nonstop1h 42m

$125

MinneapolisChicago

MSP - MDW

MSPMDW

Minneapolis St Paul

Mon 12/15

11:20 am-1:08 pm

Nonstop1h 48m

Chicago Midway

Mon 1/5

2:00 pm-3:40 pm

Nonstop1h 40m

$129

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Tue 11/11

6:10 am-10:01 am

1 stop3h 51m

Chicago O'Hare Intl

Wed 11/12

6:00 am-7:36 am

Nonstop1h 36m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 60 results
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Best time to book a flight from Saint Paul to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Saint Paul 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.

Cheapflights Insights

Everything you need to know about your flight from Saint Paul to Illinois

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

Currently, August is the cheapest month in which you can book a flight from Saint Paul to Illinois (average of $245). Flying from Saint Paul to Illinois in March is currently the most expensive (average of $321). 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 SA1 to IL?

Find hourly flight availability from Saint Paul 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 September 11, 2025.

When flying from Saint Paul to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Saint Paul to Illinois

Explore weekly flight availability from Saint Paul to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 11, 2025.

The most flights from SA1 to USIL are scheduled on a Thursday (106 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (43 on average).

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 September 11, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Saint Paul to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Sun Country Air
6.9
Okay
330 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

  • How long is the flight from Saint Paul to Illinois?

    For as low as $115, Sun Country Air can have you in Illinois from Saint Paul in 1h 33m. There are 333 mi between Saint Paul and Illinois. Generally, flights for this route are nonstop.

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

    $65 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and Southwest, with prices starting from $67 and $88, respectively.

  • What are the most popular routes from Saint Paul to Illinois?

    When deciding which route to take from Saint Paul to Illinois consider Minneapolis St Paul - Chicago O'Hare Intl, Minneapolis St Paul - Chicago Midway or Minneapolis St Paul - Lambert-St Louis as they are the most popular.

  • What are the most reliable airlines from Saint Paul to Illinois?

    Consider SkyWest Airlines (95%), Royal Jordanian (89%) or Turkish Airlines (87%) when booking your flight. These represent the most reliable airlines when flying from Saint Paul to Illinois.

  • What are the cheapest flights from Saint Paul to Illinois?

    Looking at all options, your cheapest flight can be booked for $55. While the most popular route (Minneapolis St Paul - Chicago O'Hare Intl) can be booked for $70 on average, our data indicates $942 when flying from Saint Paul to Illinois.

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

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

  • How can I find direct flights from Saint Paul to Illinois?

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

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

    Yes. Cheapflights offers flight deals from Saint Paul 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 Saint Paul to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Saint Paul to Illinois (average of $245). Flying from Saint Paul to Illinois in March is currently the most expensive (average of $321). 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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Top 5 airlines flying from Saint Paul to Illinois

Discover the top 5 airlines that operate flights from Saint Paul 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$68Average$158FlexibilityNo cancel feeOn-time83%
DeltaCheapest$75Average$331FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$91Average$383FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$94Average$298FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$99Average$223FlexibilityNo cancel feeOn-time63%

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