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$43+ Cheap flights from North America 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.
LAX — ORD
nov. 25 — dic. 21
lun. 11/25
lun. 12/2
1 adult, Economy
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Cheap flight deals from North America to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from North America (0NA) 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 noviembre 20, 2024.

Find flight deals from North America to Illinois

Cheapest flights from North America to Illinois
Explore the most affordable flight options available from North America to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 20, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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.
lun. 12/96:05 pmDFW - ORD
Nonstop2h 32mSpirit Airlines
jue. 12/1210:38 amORD - DFW
Nonstop2h 42mSpirit Airlines
Deal found 11/19$94
This Frontier deal was found by Cheapflights users on 11/19. 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.
mar. 12/176:45 amDFW - MDW
1 stop6h 24mFrontier
mié. 12/1812:10 pmMDW - DFW
Nonstop2h 53mFrontier
Deal found 11/19$94
This Priceline deal was found by Cheapflights users on 11/20. 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.
vie. 12/67:48 pmDFW - ORD
1 stop4h 57mMultiple Airlines
mar. 12/107:33 amORD - DFW
Nonstop2h 40mMultiple Airlines
Deal found 11/20$96
This Frontier deal was found by Cheapflights users on 11/19. 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.
jue. 12/57:38 pmDFW - ORD
Nonstop2h 29mFrontier
lun. 12/93:41 pmORD - DFW
Nonstop2h 42mFrontier
Deal found 11/19$98
This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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.
jue. 12/55:34 pmMCO - ORD
1 stop7h 17mFrontier
lun. 12/94:58 pmORD - MCO
1 stop7h 45mFrontier
Deal found 11/19$106
This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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.
vie. 12/64:46 pmMCO - ORD
Nonstop3h 04mSpirit Airlines
dom. 12/89:58 amORD - MCO
1 stop11h 13mSpirit Airlines
Deal found 11/19$107
This Kiwi.com deal was found by Cheapflights users on 11/20. 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.
mar. 12/38:29 pmLGA - ORD
Nonstop2h 37mSpirit Airlines
mié. 12/114:19 pmORD - LGA
Nonstop2h 05mSpirit Airlines
Deal found 11/20$113
This CheapOair deal was found by Cheapflights users on 11/19. 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.
mié. 12/45:59 pmLGA - ORD
1 stop15h 25mMultiple Airlines
mar. 12/108:02 pmORD - LGA
1 stop13h 58mMultiple Airlines
Deal found 11/19$115
This Mytrip deal was found by Cheapflights users on 11/19. 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.
jue. 12/55:59 pmLGA - ORD
1 stop16h 55mFrontier
lun. 12/910:59 amORD - LGA
1 stop29h 01mFrontier
Deal found 11/19$116
This Kiwi.com deal was found by Cheapflights users on 11/19. 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.
vie. 12/610:55 pmEWR - ORD
Nonstop2h 39mSpirit Airlines
lun. 12/96:42 pmORD - EWR
Nonstop2h 18mSpirit Airlines
Deal found 11/19$117
This Booking.com deal was found by Cheapflights users on 11/19. 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.
mié. 12/43:00 pmJFK - ORD
1 stop18h 24mFrontier
lun. 12/166:07 pmORD - JFK
1 stop18h 52mFrontier
Deal found 11/19$118
This CheapOair deal was found by Cheapflights users on 11/19. 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.
mié. 12/116:11 pmMCO - ORD
Nonstop3h 04mMultiple Airlines
lun. 12/163:25 pmORD - MCO
1 stop7h 46mMultiple Airlines
Deal found 11/19$121

Find flights from North America to Illinois within your budget

Customize your flight search to find flights from North America 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 2,629,791 searches. Data last updated noviembre 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

lun. 12/9

6:05 pm-8:37 pm

Nonstop2h 32m

Chicago O'Hare Intl

jue. 12/12

10:38 am-1:20 pm

Nonstop2h 42m

$94

DallasChicago

DFW - MDW

DFWMDW

Dallas/Fort Worth

mar. 12/17

6:45 am-1:09 pm

1 stop6h 24m

Chicago Midway

mié. 12/18

12:10 pm-3:03 pm

Nonstop2h 53m

$94

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

vie. 12/6

7:48 pm-12:45 am

1 stop4h 57m

Chicago O'Hare Intl

mar. 12/10

7:33 am-10:13 am

Nonstop2h 40m

$96

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

jue. 12/5

7:38 pm-10:07 pm

Nonstop2h 29m

Chicago O'Hare Intl

lun. 12/9

3:41 pm-6:23 pm

Nonstop2h 42m

$98

OrlandoChicago

MCO - ORD

MCOORD

Orlando

jue. 1/16

10:45 am-10:12 pm

1 stop12h 27m

Chicago O'Hare Intl

lun. 1/20

3:56 pm-1:46 am

1 stop8h 50m

$106

OrlandoChicago

MCO - ORD

MCOORD

Orlando

vie. 12/6

4:46 pm-6:50 pm

Nonstop3h 04m

Chicago O'Hare Intl

dom. 12/8

9:58 am-10:11 pm

1 stop11h 13m

$107

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

mar. 12/31

9:05 pm-10:43 pm

Nonstop2h 38m

Chicago O'Hare Intl

jue. 1/2

4:45 pm-8:00 pm

Nonstop2h 15m

$113

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

mié. 1/8

3:00 pm-9:29 am

1 stop19h 29m

Chicago O'Hare Intl

lun. 1/13

3:25 pm-10:03 am

1 stop17h 38m

$114

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

mié. 12/4

5:59 pm-8:24 am

1 stop15h 25m

Chicago O'Hare Intl

mar. 1/7

3:00 pm-10:00 pm

1 stop6h 00m

$114

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

mar. 1/7

5:30 am-2:36 pm

1 stop10h 06m

Chicago O'Hare Intl

mar. 1/14

3:00 pm-10:00 pm

1 stop6h 00m

$115

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 60 results
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Best time to book a flight from North America to Illinois

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

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

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

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

Find hourly flight availability from North America 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 noviembre 20, 2024.

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

Weekly flight availability from North America to Illinois

Explore weekly flight availability from North America 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 noviembre 20, 2024.

The most flights from 0NA to USIL are scheduled on a Monday (102 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (56 on average).

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 noviembre 20, 2024.
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Porter Airlines
7.8
Good
288 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Air Transat
7.8
Good
389 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

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

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

    $44 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and JetBlue, with prices starting from $45 and $73, respectively.

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

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

  • How can I find direct flights from North America to Illinois?

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

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

    Yes. Cheapflights offers flight deals from North America 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 North America to Illinois?

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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from North America to Illinois

Discover the top 10 airlines that operate flights from North America 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 2,629,791 searches. Data last updated noviembre 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$34Average$156FlexibilityNo cancel feeOn-time65%
FrontierCheapest$46Average$175FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$49Average$165FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$68Average$338FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$83Average$238FlexibilityNo cancel feeOn-time62%
DeltaCheapest$94Average$361FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$117Average$418FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$132Average$319FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$135Average$443FlexibilityNo cancel feeOn-time71%
Sun Country AirCheapest$149Average$362FlexibilityNo cancel feeOn-time83%
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