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$51+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
MSP — ORD
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap 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 December 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Mon 12/2210:09 pmMSP - ORD
Nonstop1h 45mFrontier
Mon 1/57:38 pmORD - MSP
Nonstop1h 36mFrontier
Deal found 12/15$84
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Mon 12/2210:09 pmMSP - ORD
Nonstop1h 45mFrontier
Fri 12/2612:26 pmORD - MSP
Nonstop1h 36mFrontier
Deal found 12/15$107
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Mon 12/2210:09 pmMSP - ORD
Nonstop1h 45mFrontier
Mon 12/297:38 pmORD - MSP
Nonstop1h 36mFrontier
Deal found 12/15$138
This Frontier deal was found by Cheapflights users on 12/14. 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 12/262:57 pmMSP - ORD
Nonstop1h 45mFrontier
Mon 1/57:38 pmORD - MSP
Nonstop1h 36mFrontier
Deal found 12/14$140
This Delta deal was found by Cheapflights users on 12/15. 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.
Thu 12/253:30 pmMSP - MDW
Nonstop1h 49mDelta
Wed 12/3111:48 amMDW - MSP
Nonstop1h 44mDelta
Deal found 12/15$143
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:27 amMSP - ORD
Nonstop1h 58mDelta
Wed 12/316:35 amORD - MSP
Nonstop1h 44mDelta
Deal found 12/16$143
This Expedia deal was found by Cheapflights users on 12/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:34 pmMSP - ORD
1 stop28h 38mFrontier
Fri 12/2612:26 pmORD - MSP
Nonstop1h 36mFrontier
Deal found 12/15$155
This Delta deal was found by Cheapflights users on 12/14. 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.
Thu 12/257:27 amMSP - ORD
Nonstop1h 58mDelta
Thu 1/88:50 amORD - MSP
Nonstop1h 38mDelta
Deal found 12/14$157
This Expedia deal was found by Cheapflights users on 12/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:09 pmMSP - ORD
Nonstop1h 45mFrontier
Thu 12/257:00 amORD - MSP
1 stop11h 39mFrontier
Deal found 12/15$166
This Travelocity deal was found by Cheapflights users on 12/15. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:09 pmMSP - ORD
Nonstop1h 45mMultiple Airlines
Sat 12/278:26 pmORD - MSP
Nonstop1h 39mMultiple Airlines
Deal found 12/15$168
This Delta deal was found by Cheapflights users on 12/13. 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.
Wed 12/243:30 pmMSP - MDW
Nonstop1h 49mDelta
Wed 12/3111:48 amMDW - MSP
Nonstop1h 44mDelta
Deal found 12/13$178
This Southwest deal was found by Cheapflights users on 12/13. 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 12/245:30 amMSP - MDW
1 stop5h 55mSouthwest
Wed 12/318:10 amMDW - MSP
Nonstop1h 35mSouthwest
Deal found 12/13$188

Find 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 December 16, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$92
(Mytrip)

One-way from

$51
(Super.com)

Popular in

February

Cheapest in

September

Average price

$163
Provider with most accurate pricing for Minneapolis St Paul-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Minneapolis St Paul-Chicago (CHI) flights.
Search Deals
From Saint Paul to Illinois
Search Deals
One-way flight from Saint Paul to Illinois
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 16, 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

Sat 1/17

7:55 pm-9:43 pm

Nonstop1h 48m

Chicago O'Hare Intl

Tue 1/20

8:50 am-10:28 am

Nonstop1h 38m

$143

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Sat 2/14

4:28 pm-6:01 pm

Nonstop1h 33m

Chicago O'Hare Intl

Wed 2/18

6:15 am-7:57 am

Nonstop1h 42m

$143

MinneapolisChicago

MSP - MDW

MSPMDW

Minneapolis St Paul

Tue 2/24

11:22 am-1:07 pm

Nonstop1h 45m

Chicago Midway

Thu 2/26

9:50 am-11:32 am

Nonstop1h 42m

$152

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Thu 1/15

7:55 pm-9:43 pm

Nonstop1h 48m

Chicago O'Hare Intl

Tue 1/20

12:30 pm-2:12 pm

Nonstop1h 42m

$152

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Tue 1/13

6:50 am-12:15 pm

1 stop5h 25m

Chicago O'Hare Intl

Tue 1/13

1:45 pm-8:35 pm

1 stop6h 50m

$153

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Thu 1/15

8:00 am-9:45 am

Nonstop1h 45m

Chicago O'Hare Intl

Sun 1/18

8:50 am-10:23 am

Nonstop1h 33m

$157

MinneapolisChicago

MSP - MDW

MSPMDW

Minneapolis St Paul

Tue 1/13

7:20 am-9:15 am

Nonstop1h 55m

Chicago Midway

Tue 1/20

8:40 am-10:20 am

Nonstop1h 40m

$157

MinneapolisChicago

MSP - MDW

MSPMDW

Minneapolis St Paul

Thu 1/15

7:05 am-9:08 am

Nonstop2h 03m

Chicago Midway

Sat 1/17

5:00 pm-6:54 pm

Nonstop1h 54m

$157

MinneapolisChicago

MSP - MDW

MSPMDW

Minneapolis St Paul

Wed 2/11

7:05 am-9:08 am

Nonstop2h 03m

Chicago Midway

Sat 2/14

5:00 pm-6:52 pm

Nonstop1h 52m

$157

MinneapolisChicago

MSP - MDW

MSPMDW

Minneapolis St Paul

Wed 1/14

2:30 pm-7:55 pm

1 stop5h 25m

Chicago Midway

Wed 1/21

8:40 am-10:20 am

Nonstop1h 40m

$162

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

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, April is the cheapest month in which you can book a flight from Saint Paul to Illinois (average of $54). Flying from Saint Paul to Illinois in July is currently the most expensive (average of $116). 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 December 16, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 50% on flights from Saint Paul to Illinois by exploring options for tickets in the evening.

What is the cheapest day to fly from Saint Paul to Illinois?

Use this chart to determine the cheapest time to fly round-trip from Saint Paul to Illinois. Price data was last updated on December 13, 2025.

Travelers seeking maximum savings on their Saint Paul to Illinois flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 16, 2025.

The most flights from SA1 to USIL are scheduled on a Monday (100 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (20 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 December 16, 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
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

7.9

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

7.9

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,009 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

7.9

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,094 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

7.9

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,047 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

7.9

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Sun Country Air
6.9
Okay
333 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

7.9

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 $157, Delta can have you in Illinois from Saint Paul in 1h 45m. There are 333 mi between Saint Paul and Illinois. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $27 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Sun Country Air and Southwest, with prices starting from $46 and $48, 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 Copa Airlines (84%), Sun Country Air (83%) or ANA (75%) 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 $49. While the most popular route (Minneapolis St Paul - Chicago O'Hare Intl) can be booked for $92 on average, our data indicates $888 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, April is the cheapest month in which you can book a flight from Saint Paul to Illinois (average of $54). Flying from Saint Paul to Illinois in July is currently the most expensive (average of $116). 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 6 airlines flying from Saint Paul to Illinois

Discover the top 6 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$39Average$96FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$68Average$158FlexibilityNo cancel feeOn-time83%
DeltaCheapest$69Average$319FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$97Average$382FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$97Average$267FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$103Average$221FlexibilityNo cancel feeOn-time63%

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