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$65+ Cheap flights from Illinois to North America

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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LAX
jul. 5 — jul. 121
sáb. 7/5
sáb. 7/12
1 adult, Economy
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Cheap flight deals from Illinois to North America

Keep the following information in mind while searching for Illinois to North America flight deals. Data was last updated junio 30, 2025.

Round-trip from

$118
(Cheapflightsfares)

One-way from

$65
(FlightHub)

Popular in

December

Cheapest in

January

Average price

$242

Good round-trip deal

$65 or less

Good one-way deal

$44 or less
From Illinois to North America
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One-way flight from Illinois to North America
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Highest demand for flights based on searches. 6% potential increase in price ($14 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 June 2025
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Price to beat on a round-trip flight from Illinois to North America.
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Price to beat on a one-way flight from Illinois to North America.
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Find flight deals from Illinois to North America

Cheapest flights from Illinois to North America
Explore the most affordable flight options available from Illinois to North America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/29. 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.
sáb. 7/195:51 amORD - LGA
Nonstop2h 09mSpirit Airlines
mar. 7/226:30 pmLGA - ORD
Nonstop2h 30mSpirit Airlines
Deal found 6/29$118
This Priceline deal was found by Cheapflights users on 6/29. 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.
jue. 9/410:42 amORD - LGA
1 stop10h 29mFrontier
sáb. 9/611:30 amLGA - ORD
1 stop6h 19mFrontier
Deal found 6/29$121
This FlightHub deal was found by Cheapflights users on 6/30. 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.
mié. 7/238:09 amORD - DFW
1 stop14h 30mMultiple Airlines
dom. 7/278:54 amDFW - ORD
Nonstop2h 43mMultiple Airlines
Deal found 6/30$121
This Priceline deal was found by Cheapflights users on 6/28. 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.
dom. 8/315:10 amORD - JFK
1 stop5h 49mFrontier
mar. 9/26:00 amJFK - ORD
1 stop8h 33mFrontier
Deal found 6/28$121
This Frontier deal was found by Cheapflights users on 6/28. 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.
vie. 7/255:20 amORD - DFW
Nonstop2h 38mFrontier
dom. 7/278:54 amDFW - ORD
Nonstop2h 43mFrontier
Deal found 6/28$122
This FlightHub deal was found by Cheapflights users on 6/28. 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.
mié. 7/238:09 amORD - DFW
1 stop14h 30mSpirit Airlines
lun. 7/282:56 pmDFW - ORD
Nonstop2h 14mSpirit Airlines
Deal found 6/28$124
This Priceline deal was found by Cheapflights users on 6/27. 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.
sáb. 8/2310:22 amORD - LGA
Nonstop2h 17mMultiple Airlines
mié. 8/276:30 amLGA - ORD
1 stop8h 03mMultiple Airlines
Deal found 6/27$130
This FlightHub deal was found by Cheapflights users on 6/29. 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.
jue. 7/173:18 pmORD - LAX
1 stop6h 58mSpirit Airlines
mar. 7/2210:47 amLAX - ORD
Nonstop4h 10mSpirit Airlines
Deal found 6/29$131
This Priceline deal was found by Cheapflights users on 6/30. 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.
sáb. 8/27:00 amORD - DEN
Nonstop2h 53mFrontier
mar. 8/512:59 amDEN - ORD
1 stop8h 26mFrontier
Deal found 6/30$131
This Priceline deal was found by Cheapflights users on 6/27. 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.
jue. 8/146:30 amORD - LAX
1 stop8h 59mFrontier
lun. 8/182:27 pmLAX - ORD
1 stop6h 28mFrontier
Deal found 6/27$133
This Cheapflightsfares deal was found by Cheapflights users on 6/30. 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. 9/57:50 pmORD - LAS
Nonstop4h 05mSpirit Airlines
sáb. 9/612:50 amLAS - ORD
1 stop7h 51mSpirit Airlines
Deal found 6/30$133
This Priceline deal was found by Cheapflights users on 6/30. 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.
mié. 8/207:20 amORD - LAS
1 stop7h 47mFrontier
mié. 8/2712:50 pmLAS - ORD
1 stop9h 11mFrontier
Deal found 6/30$135

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to North America 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 junio 30, 2025.
Use the filters below to find and compare flights from Illinois to North America that are best for you.

Fly from

Illinois

Fly to

North America

Route

Depart

Return

Price

ChicagoNew York

ORD - LGA

ORDLGA

Chicago O'Hare Intl

sáb. 7/19

5:51 am-9:00 am

Nonstop2h 09m

New York LaGuardia

mar. 7/22

6:30 pm-8:00 pm

Nonstop2h 30m

$118

ChicagoNew York

ORD - LGA

ORDLGA

Chicago O'Hare Intl

jue. 9/4

10:42 am-10:11 pm

1 stop10h 29m

New York LaGuardia

sáb. 9/6

11:30 am-4:49 pm

1 stop6h 19m

$121

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

mié. 7/23

8:09 am-10:39 pm

1 stop14h 30m

Dallas/Fort Worth

dom. 7/27

8:54 am-11:37 am

Nonstop2h 43m

$121

ChicagoNew York

ORD - JFK

ORDJFK

Chicago O'Hare Intl

sáb. 8/30

5:45 pm-12:56 am

1 stop6h 11m

New York John F Kennedy Intl

mar. 9/2

6:00 am-1:33 pm

1 stop8h 33m

$121

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

vie. 7/25

5:20 am-7:58 am

Nonstop2h 38m

Dallas/Fort Worth

dom. 7/27

8:54 am-11:37 am

Nonstop2h 43m

$122

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

mié. 7/23

7:47 am-10:16 am

Nonstop2h 29m

Dallas/Fort Worth

mié. 7/30

7:15 am-8:28 pm

1 stop13h 13m

$124

ChicagoNew York

ORD - LGA

ORDLGA

Chicago O'Hare Intl

sáb. 8/23

10:22 am-1:39 pm

Nonstop2h 17m

New York LaGuardia

mié. 8/27

6:30 am-1:33 pm

1 stop8h 03m

$130

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

jue. 7/17

3:18 pm-8:16 pm

1 stop6h 58m

Los Angeles

mar. 7/22

10:47 am-4:57 pm

Nonstop4h 10m

$131

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

sáb. 8/2

7:00 am-8:53 am

Nonstop2h 53m

Denver Intl

mar. 8/5

12:59 am-10:25 am

1 stop8h 26m

$131

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

vie. 9/5

7:50 pm-9:55 pm

Nonstop4h 05m

Las Vegas Harry Reid Intl

sáb. 9/6

12:50 am-10:41 am

1 stop7h 51m

$133

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

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

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

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

Currently, January is the cheapest month in which you can book a flight from Illinois to North America (average of $246). Flying from Illinois to North America in March is currently the most expensive (average of $326). 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 IL to NA?

Find hourly flight availability from Illinois to North America. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 30, 2025.

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

Weekly flight availability from Illinois to North America

Explore weekly flight availability from Illinois to North America. 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 junio 30, 2025.

The most flights from USIL to 0NA are scheduled on a Monday (125 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (81 on average).

Reviews of airlines servicing North America

Get insights into the airlines that provide service to North America. 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 North America. Reviews last updated junio 30, 2025.
See what other customers who have flown with Delta, Alaska Airlines, and Southwest from Illinois to North America have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Alaska Airlines
8.0
Very good
10,000 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Southwest
8.0
Very good
4,278 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Hawaiian Airlines
7.8
Good
2,529 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,852 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Illinois to North America. 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 Illinois to North America one-way?

    The cheapest airlines for a one-way flight from Illinois to North America are Frontier ($65), Spirit Airlines ($69), and Delta ($79).

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Illinois to North America (average of $246). Flying from Illinois to North America in March is currently the most expensive (average of $326). 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 Illinois to North America

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

Discover the top 10 airlines that operate flights from Illinois to North America. 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 junio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$37Average$184FlexibilityNo cancel feeOn-time65%
FrontierCheapest$48Average$187FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$49Average$198FlexibilityNo cancel feeOn-time88%
JetBlueCheapest$78Average$202FlexibilityNo cancel feeOn-time62%
DeltaCheapest$88Average$355FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$89Average$233FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$126Average$427FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$130Average$415FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$146Average$352FlexibilityNo cancel feeOn-time63%
Sun Country AirCheapest$147Average$330FlexibilityNo cancel feeOn-time83%

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