What is the cheapest airport to fly out of Illinois?

Chicago O'Hare Intl airport offers the cheapest routes to Belize City, from $75; whereas Chicago Midway airport is typically cheaper if you're flying to Guatemala City, from $77. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

What is the cheapest month to fly from Illinois?

September is currently the cheapest month to fly from Illinois . At this moment in time March is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

Where are the cheapest places to fly to from Illinois?

Check out the cheapest flights from Illinois to embark to: Fly from Chicago to New York from $75 round trip Fly from Chicago to Orlando from $75 round trip Fly from Chicago to Fort Lauderdale from $75 round trip Fly from Chicago to Miami from $77 round trip Fly from Chicago to Atlanta from $77 round trip

$54+ Flights from Illinois

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What to know about flights from Illinois

Good round-trip deal	$68 or less
Good one-way deal	$51 or less

Price to beat on a round-trip flight from Illinois.

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Price to beat on a one-way flight from Illinois.

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Find flights from Illinois

Cheapest flights from Illinois
Explore the most affordable flight options available from Illinois. Find the lowest fares based on data from user searches, with prices last updated on April 29, 2025.

Mon 6/27:35 pmORD - LGA

1 stop13h 25mSpirit Airlines

Wed 6/46:30 pmLGA - ORD

Nonstop2h 37mSpirit Airlines

Deal found 4/27$109

Sat 5/179:08 pmORD - EWR

Nonstop2h 21mSpirit Airlines

Tue 5/205:55 amEWR - ORD

Nonstop2h 32mSpirit Airlines

Deal found 4/28$112

Thu 5/296:00 amORD - DEN

Nonstop3h 02mFrontier

Mon 6/28:22 pmDEN - ORD

Nonstop2h 37mFrontier

Deal found 4/28$115

Sat 6/219:55 amORD - DFW

Nonstop2h 35mFrontier

Sat 6/281:25 pmDFW - ORD

Nonstop2h 41mFrontier

Deal found 4/27$131

Mon 5/199:55 amORD - LAS

1 stop15h 26mSpirit Airlines

Wed 5/2811:46 pmLAS - ORD

Nonstop3h 39mSpirit Airlines

Deal found 4/27$131

Fri 6/138:10 pmORD - DFW

Nonstop2h 27mMultiple Airlines

Tue 6/171:25 pmDFW - ORD

Nonstop2h 41mMultiple Airlines

Deal found 4/27$132

Sat 5/249:55 amORD - MIA

Nonstop3h 15mSpirit Airlines

Sat 5/313:15 pmMIA - ORD

Nonstop3h 26mSpirit Airlines

Deal found 4/27$132

Tue 5/206:15 amORD - JFK

Nonstop2h 15mJetBlue

Tue 5/2011:59 amJFK - ORD

1 stop7h 37mJetBlue

Deal found 4/28$135

Mon 5/267:44 pmORD - LAS

Nonstop4h 16mMultiple Airlines

Wed 5/285:15 amLAS - ORD

Nonstop3h 40mMultiple Airlines

Deal found 4/28$137

Thu 5/296:59 pmORD - DFW

1 stop15h 39mSpirit Airlines

Mon 6/26:40 pmDFW - ORD

1 stop14h 10mSpirit Airlines

Deal found 4/27$139

Sun 5/187:05 amORD - DFW

Nonstop2h 42mUnited Airlines

Wed 5/2110:43 amDFW - ORD

Nonstop2h 32mUnited Airlines

Deal found 4/26$147

Sat 5/248:00 pmORD - LGA

Nonstop2h 22mUnited Airlines

Tue 5/279:30 pmLGA - ORD

Nonstop2h 39mUnited Airlines

Deal found 4/28$148

Best flights from Illinois
Discover carefully curated flight deals from Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Mon 6/27:35 pmORD - LGA

1 stop13h 25mSpirit Airlines

Wed 6/46:30 pmLGA - ORD

Nonstop2h 37mSpirit Airlines

Deal found 4/27$109

Thu 5/296:00 amORD - DEN

Nonstop3h 02mFrontier

Mon 6/28:22 pmDEN - ORD

Nonstop2h 37mFrontier

Deal found 4/28$115

Fri 6/138:10 pmORD - DFW

Nonstop2h 27mMultiple Airlines

Tue 6/171:25 pmDFW - ORD

Nonstop2h 41mMultiple Airlines

Deal found 4/27$132

Tue 5/206:15 amORD - JFK

Nonstop2h 15mJetBlue

Tue 5/2011:59 amJFK - ORD

1 stop7h 37mJetBlue

Deal found 4/28$135

Sun 5/187:05 amORD - DFW

Nonstop2h 42mUnited Airlines

Wed 5/2110:43 amDFW - ORD

Nonstop2h 32mUnited Airlines

Deal found 4/26$147

Sat 5/246:45 pmORD - DEN

Nonstop2h 55mAmerican Airlines

Sun 5/257:00 amDEN - ORD

Nonstop2h 32mAmerican Airlines

Deal found 4/27$152

Tue 5/207:00 amORD - LGA

Nonstop2h 12mDelta

Tue 5/278:55 pmLGA - ORD

Nonstop2h 46mDelta

Deal found 4/28$153

Tue 6/37:00 amORD - DEN

Nonstop2h 40mSouthwest

Sat 6/77:30 pmDEN - ORD

Nonstop2h 35mSouthwest

Deal found 4/27$160

Sat 5/176:00 amORD - SEA

Nonstop4h 27mHawaiian Airlines

Tue 8/1912:59 amSEA - ORD

Nonstop4h 04mHawaiian Airlines

Deal found 4/28$173

Fri 5/96:58 pmORD - SEA

1 stop15h 37mAlaska Airlines

Sun 5/1111:48 amSEA - ORD

Nonstop4h 13mAlaska Airlines

Deal found 4/28$189

Wed 6/1811:45 amORD - DFW

1 stop3h 55mContour

Wed 6/2510:25 amDFW - ORD

1 stop3h 50mContour

Deal found 4/27$213

Sat 5/179:08 pmORD - EWR

Nonstop2h 21mSpirit Airlines

Tue 5/205:55 amEWR - ORD

Nonstop2h 32mSpirit Airlines

Deal found 4/28$112

Last-minute flights from Illinois
Discover last-minute flight deals departing from Illinois. Data last updated April 29, 2025 and is based on user searches.

Sat 5/311:45 amORD - DFW

1 stop9h 04mSpirit Airlines

Sat 5/1011:43 amDFW - ORD

1 stop8h 20mSpirit Airlines

Deal found 4/27$156

Sat 5/311:45 amORD - DFW

1 stop9h 04mMultiple Airlines

Tue 7/11:25 pmDFW - ORD

Nonstop2h 41mMultiple Airlines

Deal found 4/27$166

Sat 5/37:10 amORD - LGA

Nonstop2h 12mDelta

Sat 5/102:45 pmLGA - ORD

Nonstop2h 43mDelta

Deal found 4/26$178

Mon 5/56:20 amORD - JFK

Nonstop2h 12mJetBlue

Tue 5/138:00 pmJFK - ORD

Nonstop2h 54mJetBlue

Deal found 4/27$158

Tue 5/67:00 pmORD - MIA

Nonstop3h 12mSpirit Airlines

Sat 5/103:15 pmMIA - ORD

Nonstop3h 26mSpirit Airlines

Deal found 4/28$136

Tue 5/67:00 pmORD - MIA

Nonstop3h 12mMultiple Airlines

Fri 5/97:12 amMIA - ORD

1 stop9h 45mMultiple Airlines

Deal found 4/27$177

Wed 5/79:08 pmORD - EWR

Nonstop2h 21mSpirit Airlines

Thu 5/85:55 amEWR - ORD

Nonstop2h 32mSpirit Airlines

Deal found 4/27$111

Wed 5/75:51 amORD - LGA

Nonstop2h 09mSpirit Airlines

Sat 5/1011:55 amLGA - ORD

1 stop9h 08mSpirit Airlines

Deal found 4/28$118

Wed 5/75:51 amORD - LGA

Nonstop2h 09mMultiple Airlines

Sat 5/108:00 amLGA - ORD

1 stop6h 41mMultiple Airlines

Deal found 4/27$152

Wed 5/76:00 amORD - SEA

Nonstop4h 30mHawaiian Airlines

Wed 5/215:55 pmSEA - ORD

Nonstop4h 04mHawaiian Airlines

Deal found 4/28$174

Wed 5/711:10 amORD - EWR

1 stop8h 56mMultiple Airlines

Sat 5/102:00 pmEWR - ORD

1 stop7h 03mMultiple Airlines

Deal found 4/28$180

Thu 5/86:00 amORD - EWR

Nonstop2h 14mUnited Airlines

Sat 5/106:35 pmEWR - ORD

Nonstop2h 50mUnited Airlines

Deal found 4/27$179

One-way flights from Illinois
Search for one-way flight options from Illinois. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Wed 6/119:08 pmORD - EWR

Nonstop2h 21mSpirit Airlines

Deal found 4/27$54

Fri 7/45:19 pmORD - DFW

Nonstop2h 56mFrontier

Deal found 4/28$59

Thu 6/262:31 pmORD - DFW

Nonstop2h 28mSpirit Airlines

Deal found 4/28$62

Thu 5/298:17 amORD - MIA

Nonstop3h 13mSpirit Airlines

Deal found 4/27$66

Wed 5/286:00 amORD - LGA

Nonstop2h 10mDelta

Deal found 4/28$69

Wed 5/286:15 amORD - JFK

Nonstop2h 15mJetBlue

Deal found 4/28$69

Wed 5/145:51 amORD - LGA

Nonstop2h 09mSpirit Airlines

Deal found 4/28$70

Sun 6/295:40 amORD - DEN

Nonstop2h 52mFrontier

Deal found 4/27$71

Sun 5/185:00 amORD - DFW

Nonstop2h 36mAmerican Airlines

Deal found 4/27$74

Mon 5/199:55 amORD - LAS

1 stop15h 26mSpirit Airlines

Deal found 4/27$75

Tue 7/15:00 amORD - DEN

Nonstop2h 43mUnited Airlines

Deal found 4/28$76

Tue 5/206:00 amORD - LGA

Nonstop2h 11mUnited Airlines

Deal found 4/28$79

Find flights from Illinois within your budget

Fly to

Route

Depart

Return

Price

ChicagoNew York

ORD - LGA

ORDLGA

Chicago O'Hare Intl

Mon 6/2

7:35 pm-10:00 am

1 stop13h 25m

New York LaGuardia

Wed 6/4

6:30 pm-8:07 pm

Nonstop2h 37m

$109

ChicagoNewark

ORD - EWR

ORDEWR

Chicago O'Hare Intl

Sat 5/17

9:08 pm-12:29 am

Nonstop2h 21m

Newark

Tue 5/20

5:55 am-7:27 am

Nonstop2h 32m

$112

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Thu 5/29

6:00 am-8:02 am

Nonstop3h 02m

Denver Intl

Mon 6/2

8:22 pm-11:59 pm

Nonstop2h 37m

$115

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

Sat 6/21

9:55 am-12:30 pm

Nonstop2h 35m

Dallas/Fort Worth

Sat 6/28

1:25 pm-4:06 pm

Nonstop2h 41m

$131

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Mon 5/19

9:55 am-11:21 pm

1 stop15h 26m

Las Vegas Harry Reid Intl

Wed 5/28

11:46 pm-5:25 am

Nonstop3h 39m

$131

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

Fri 6/13

8:10 pm-10:37 pm

Nonstop2h 27m

Dallas/Fort Worth

Tue 6/17

1:25 pm-4:06 pm

Nonstop2h 41m

$132

ChicagoMiami

ORD - MIA

ORDMIA

Chicago O'Hare Intl

Sat 5/24

9:55 am-2:10 pm

Nonstop3h 15m

Miami

Sat 5/31

3:15 pm-5:41 pm

Nonstop3h 26m

$132

ChicagoNew York

ORD - JFK

ORDJFK

Chicago O'Hare Intl

Tue 5/20

6:15 am-9:30 am

Nonstop2h 15m

New York John F Kennedy Intl

Tue 5/20

11:59 am-6:36 pm

1 stop7h 37m

$135

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Mon 5/26

7:44 pm-10:00 pm

Nonstop4h 16m

Las Vegas Harry Reid Intl

Wed 5/28

5:15 am-10:55 am

Nonstop3h 40m

$137

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

Thu 5/29

6:59 pm-10:38 am

1 stop15h 39m

Dallas/Fort Worth

Mon 6/2

6:40 pm-8:50 am

1 stop14h 10m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 60 results

...

Best time to book a flight from Illinois

Have a flexible travel schedule? Discover the best time to fly 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.

Travel insights for flights from Illinois

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

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

Currently, September is the cheapest month in which you can book a flight from Illinois (average of $68). Flying from Illinois in March will prove the most costly (average of $88). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the cheapest time to fly from Illinois?

Those who are seeking the cheapest fare on flights departing from Illinois would be wise to consider leaving during Wednesday afternoons when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Sunday at noon when fares are usually the most expensive.

Which airlines fly from Illinois?

For flights departing from Illinois check dates and pricing for the following: United Airlines, American Airlines, Spirit Airlines, Delta, Southwest. These airlines depart to the following popular destinations: New York.

United Airlines

From $92

American Airlines

From $91

Frontier

From $37

Spirit Airlines

From $26

What is the cheapest place to fly to from Illinois?

The cheapest city to fly to from Illinois is Myrtle Beach Intl, with prices starting at $31. Explore other affordable destinations below.

Myrtle Beach Intl

From $31

Phoenix Sky Harbor Intl

From $32

Orlando

From $38

Tampa

From $38

Airline reviews for flights from Illinois

Southwest

8.0

Very good

4,292 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Southwest

8.0

Very good

4,292 reviews

Southwest

8.0

Very good

4,292 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Delta

8.0

Very good

7,929 reviews

Southwest

8.0

Very good

4,292 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

United Airlines

7.4

Good

8,696 reviews

Southwest

8.0

Very good

4,292 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,292 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Spirit Airlines

6.3

Okay

7,954 reviews

Southwest

8.0

Very good

4,292 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Browse thousands of different options on Cheapflights for your next trip

Related info for your journey

What is the cheapest airport to fly out of Illinois?
Chicago O'Hare Intl airport offers the cheapest routes to Belize City, from $75; whereas Chicago Midway airport is typically cheaper if you're flying to Guatemala City, from $77. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.
What is the cheapest month to fly from Illinois?
September is currently the cheapest month to fly from Illinois. At this moment in time March is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.
Where are the cheapest places to fly to from Illinois?
Check out the cheapest flights from Illinois to embark to:
Fly from Chicago to New York from $75 round trip
Fly from Chicago to Orlando from $75 round trip
Fly from Chicago to Fort Lauderdale from $75 round trip
Fly from Chicago to Miami from $77 round trip
Fly from Chicago to Atlanta from $77 round trip

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$54+ Cheap flights from 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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.

What to know about flights from Illinois

Good round-trip deal

Good one-way deal

Find flights from Illinois

Cheapest flights from IllinoisExplore the most affordable flight options available from Illinois. Find the lowest fares based on data from user searches, with prices last updated on April 29, 2025.

Explore the most affordable flight options available from Illinois. Find the lowest fares based on data from user searches, with prices last updated on April 29, 2025.

Find flights from Illinois within your budget

Best time to book a flight from Illinois

Have a flexible travel schedule? Discover the best time to fly from Illinois with our price prediction graph.

Travel insights for flights from Illinois

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

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

When is the cheapest time to fly from Illinois?

Use this chart to determine the cheapest time to fly round-trip from Illinois to LaGuardia. Price data was last updated on December 16, 2024.

Which airlines fly from Illinois?

What is the cheapest place to fly to from Illinois?

Airline reviews for flights from Illinois

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Popular international destinations from Illinois

The most popular international flight routes departing from Illinois we’ve come across at this time.

Related info for your journey

What is the cheapest airport to fly out of Illinois?

What is the cheapest month to fly from Illinois?

Where are the cheapest places to fly to from Illinois?

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Book with Flexibility

Travel Smart

Cheapest flights from Illinois
Explore the most affordable flight options available from Illinois. Find the lowest fares based on data from user searches, with prices last updated on April 29, 2025.