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$47+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ORD
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
1 adult, Economy
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Cheap flight deals from North America to Illinois

Keep the following information in mind while searching for North America to Illinois flight deals. Data was last updated marzo 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$86
(eDestinos)

One-way from

$47
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$256

Good round-trip deal

$65 or less

Good one-way deal

$64 or less
Provider with most accurate pricing for New York (NYC)-Chicago (CHI) flight deals.
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From North America to Illinois
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One-way flight from North America to Illinois
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Highest demand for flights based on searches. 3% potential increase in price ($7 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from North America to Illinois.
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Price to beat on a one-way flight from North America to Illinois.
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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 marzo 28, 2025.

This eDestinos deal was found by Cheapflights users on 3/26. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/106:10 amDFW - ORD
Nonstop2h 25mSpirit Airlines
sáb. 5/311:53 amORD - DFW
Nonstop2h 40mSpirit Airlines
Deal found 3/26$88
This Mytrip deal was found by Cheapflights users on 3/26. 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.
mié. 4/238:59 pmEWR - ORD
1 stop13h 25mSpirit Airlines
sáb. 4/266:36 pmORD - EWR
Nonstop2h 23mSpirit Airlines
Deal found 3/26$102
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
jue. 4/246:10 amDFW - ORD
Nonstop2h 25mMultiple Airlines
dom. 4/278:30 amORD - DFW
Nonstop2h 49mMultiple Airlines
Deal found 3/25$102
This Frontier deal was found by Cheapflights users on 3/26. 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.
mié. 4/167:25 pmDFW - ORD
Nonstop2h 42mFrontier
vie. 5/28:40 amORD - DFW
Nonstop2h 47mFrontier
Deal found 3/26$108
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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. 4/244:38 pmLGA - ORD
Nonstop2h 39mSpirit Airlines
sáb. 4/265:55 amORD - LGA
Nonstop2h 05mSpirit Airlines
Deal found 3/27$118
This JetBlue deal was found by Cheapflights users on 3/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/61:20 pmJFK - ORD
Nonstop2h 44mJetBlue
mié. 5/74:03 pmORD - JFK
Nonstop2h 26mJetBlue
Deal found 3/27$135
This American Airlines deal was found by Cheapflights users on 3/27. 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.
sáb. 5/249:00 amJFK - ORD
Nonstop3h 09mAmerican Airlines
mar. 5/274:44 pmORD - JFK
Nonstop2h 16mAmerican Airlines
Deal found 3/27$137
This Priceline deal was found by Cheapflights users on 3/27. 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.
mar. 4/224:38 pmLGA - ORD
Nonstop2h 39mMultiple Airlines
mié. 4/239:28 amORD - LGA
1 stop6h 01mMultiple Airlines
Deal found 3/27$139
This American Airlines deal was found by Cheapflights users on 3/27. 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.
sáb. 5/172:47 pmDFW - ORD
Nonstop2h 25mAmerican Airlines
sáb. 5/176:45 pmORD - DFW
Nonstop2h 48mAmerican Airlines
Deal found 3/27$142
This Delta deal was found by Cheapflights users on 3/27. 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.
sáb. 4/198:00 amJFK - ORD
Nonstop2h 55mDelta
mar. 4/221:50 pmORD - JFK
Nonstop2h 32mDelta
Deal found 3/27$143
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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.
mié. 5/73:49 pmBOS - ORD
1 stop8h 15mSpirit Airlines
sáb. 5/1012:41 pmORD - BOS
1 stop9h 48mSpirit Airlines
Deal found 3/27$145
This United Airlines deal was found by Cheapflights users on 3/26. 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.
mié. 4/236:45 amDFW - ORD
Nonstop2h 33mUnited Airlines
mié. 4/301:15 pmORD - DFW
Nonstop2h 47mUnited Airlines
Deal found 3/26$147

Cheapflights Fare Finder

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 2,558,603 searches. Data last updated marzo 28, 2025.
Use the filters below to find and compare flights from North America to Illinois that are best for you.

Fly from

North America

Fly to

Illinois

Route

Depart

Return

Price

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

sáb. 4/19

6:10 am-8:35 am

Nonstop2h 25m

Chicago O'Hare Intl

mar. 4/29

7:47 pm-9:32 am

1 stop13h 45m

$86

NewarkChicago

EWR - ORD

EWRORD

Newark

mié. 4/23

8:59 pm-9:24 am

1 stop13h 25m

Chicago O'Hare Intl

sáb. 4/26

6:36 pm-9:59 pm

Nonstop2h 23m

$102

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

jue. 4/10

6:10 am-8:35 am

Nonstop2h 25m

Chicago O'Hare Intl

dom. 4/13

2:48 pm-5:39 pm

Nonstop2h 51m

$111

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

jue. 4/24

4:38 pm-6:17 pm

Nonstop2h 39m

Chicago O'Hare Intl

sáb. 4/26

5:55 am-9:00 am

Nonstop2h 05m

$118

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

lun. 4/7

8:41 am-11:17 am

Nonstop2h 36m

Chicago O'Hare Intl

mar. 4/8

9:45 am-12:33 pm

Nonstop2h 48m

$125

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

mar. 5/6

1:20 pm-3:04 pm

Nonstop2h 44m

Chicago O'Hare Intl

mié. 5/7

4:03 pm-7:29 pm

Nonstop2h 26m

$135

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

sáb. 5/24

9:00 am-11:09 am

Nonstop3h 09m

Chicago O'Hare Intl

mar. 5/27

4:44 pm-8:00 pm

Nonstop2h 16m

$137

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

mar. 4/22

4:38 pm-6:17 pm

Nonstop2h 39m

Chicago O'Hare Intl

mié. 4/23

9:28 am-4:29 pm

1 stop6h 01m

$139

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

sáb. 4/19

8:00 am-9:55 am

Nonstop2h 55m

Chicago O'Hare Intl

mar. 4/22

1:50 pm-5:22 pm

Nonstop2h 32m

$143

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

sáb. 4/26

2:12 pm-12:58 am

1 stop11h 46m

Chicago O'Hare Intl

mié. 4/30

7:47 pm-10:22 am

1 stop13h 35m

$145

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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.

Cheapflights Insights

Everything you need to know about your flight from North America to Illinois

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

Currently, August is the cheapest month in which you can book a flight from North America to Illinois (average of $245). Flying from North America to Illinois in March is currently the most expensive (average of $323). 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 marzo 28, 2025.

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 marzo 28, 2025.

The most flights from 0NA to USIL are scheduled on a Thursday (101 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (34 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 marzo 28, 2025.
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,335 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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?

    $47 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and JetBlue, with prices starting from $63 and $68, 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, August is the cheapest month in which you can book a flight from North America to Illinois (average of $245). Flying from North America to Illinois in March is currently the most expensive (average of $323). 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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LaGuardia to Fort Lauderdale flights
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John F Kennedy Intl to Miami flights
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Boston to Orlando flights
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Charles de Gaulle to Newark flights
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LaGuardia to Las Vegas flights
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Seattle to Sky Harbor Intl flights

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 2,558,603 searches. Data last updated marzo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$38Average$166FlexibilityNo cancel feeOn-time65%
FrontierCheapest$44Average$174FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$49Average$171FlexibilityNo cancel feeOn-time88%
DeltaCheapest$68Average$370FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$84Average$236FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$115Average$417FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$117Average$421FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$119Average$307FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$137Average$433FlexibilityNo cancel feeOn-time71%
Sun Country AirCheapest$149Average$362FlexibilityNo cancel feeOn-time83%
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