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Flights to Illinois

Find cheap flights to Illinois in 2025/2026 from $43 This is the cheapest return flight found to Illinois from USA on FlightsFinder on May 12th 2025 at 15:43. This offer may no longer be available. Click the offer to check live prices & dates of travel.

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Our Flight Finder compares the cheapest flights to Illinois from the most established flight comparison sites.
Fly to Illinois and visit sites like Millennium Park, Willis Tower, Navy Pier & The Art Institute of Chicago.

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What are the cheapest return flights to Illinois in 2025/2026?

These economy flights were found on FlightsFinder from USA to Illinois in the last few days. Prices subject to availability.

What are the cheapest one-way flights to Illinois in 2025/2026?

These economy flights were found on FlightsFinder from USA to Illinois in the last few days. Prices subject to availability.

When are flights to Illinois cheapest?

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The month of October

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According to our data, October is on average the cheapest time to book flights to Illinois.
You can get flights from $43 return.

When is the most expensive time to fly to Illinois?

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The month of March

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According to our data, March is on average the most expensive time to book flights to Illinois.
A return flight could set you back more than $177.

Why fly to Illinois?

Illinois, known as the "Land of Lincoln," is a vibrant state in the heart of the Midwest, offering a diverse range of experiences for visitors. From the iconic skyline of Chicago with its towering skyscrapers and cultural attractions, to the charming small towns scattered throughout the state, Illinois blends urban excitement with rural charm. Explore the picturesque vineyards of the Shawnee Hills Wine Trail, wander through the historic neighborhoods of Springfield, or take in a show at one of the many theaters in the state. With its rich history, dynamic cities, and scenic landscapes, Illinois promises a memorable adventure for travelers of all interests.

Frequently asked questions about Flights to Illinois

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Weather in Illinois

Clouds
Clouds

73 °F

Mon, 12 May 2025

Average Temperature

32°F

Jan

36°F

Feb

47°F

Mar

59°F

Apr

70°F

May

80°F

Jun

84°F

Jul

82°F

Aug

75°F

Sep

63°F

Oct

49°F

Nov

35°F

Dec

Illinois

Select a City Below to see the Cheapest Flights to Illinois:

Chicago, Illinois | Peoria, Illinois | Moline, Illinois | Springfield, Illinois | Marion, Illinois | Bloomington, Illinois

Flight Distance and Flying Time to Illinois

Atlanta, USA - Georgia, Atlanta Hartsfield-Jackson International Airport (ATL) to Illinois (CHI)

Distance:
606 miles (976 kilometres)

Average flight time (direct 1 hour 50 minutes)

Los Angeles, USA - California, Los Angeles International Airport (LAX) to Illinois (CHI)

Distance:
1,741 miles (2,802 kilometres)

Average flight time (direct 4 hours 22 minutes)

New York, USA - John F Kennedy International Airport (JFK) to Illinois (CHI)

Distance:
738 miles (1,188 kilometres)

Average flight time (direct 2 hours 8 minutes)

Dallas, USA - Dallas, Texas Fort Worth International Airport (DFW) to Illinois (CHI)

Distance:
802 miles (1,290 kilometres)

Average flight time (direct 2 hours 16 minutes)

Denver, USA - Colorado, Airport - Denver International Airport (DEN) to Illinois (CHI)

Distance:
886 miles (1,426 kilometres)

Average flight time (direct 2 hours 28 minutes)

San Francisco, USA - California, San Francisco International Airport (SFO) to Illinois (CHI)

Distance:
1,842 miles (2,964 kilometres)

Average flight time (direct 4 hours 35 minutes)

Seattle, USA - Airport - Seattle Tacoma International, Washington (SEA) to Illinois (CHI)

Distance:
1,716 miles (2,762 kilometres)

Average flight time (direct 4 hours 18 minutes)

Las Vegas, USA - Nevada, McCarran International Airport (LAS) to Illinois (CHI)

Distance:
1,511 miles (2,431 kilometres)

Average flight time (direct 3 hours 51 minutes)

Orlando, USA - Florida, Orlando International Airport (MCO) to Illinois (CHI)

Distance:
1,006 miles (1,620 kilometres)

Average flight time (direct 2 hours 44 minutes)

Charlotte, USA - North Carolina, Douglas International Airport (CLT) to Illinois (CHI)

Distance:
599 miles (964 kilometres)

Average flight time (direct 1 hour 49 minutes)

Phoenix, USA - Arizona, Phoenix Sky Harbor International Airport (PHX) to Illinois (CHI)

Distance:
1,437 miles (2,313 kilometres)

Average flight time (direct 3 hours 41 minutes)

Houston, USA - Texas, Airport - George Bush Intercontinental (IAH) to Illinois (CHI)

Distance:
926 miles (1,490 kilometres)

Average flight time (direct 2 hours 33 minutes)

Miami, USA - Florida, Miami International Airport (MIA) to Illinois (CHI)

Distance:
1,199 miles (1,930 kilometres)

Average flight time (direct 3 hours 9 minutes)

Boston, USA - Massachusetts, Edward L. Logan International Airport (BOS) to Illinois (CHI)

Distance:
865 miles (1,391 kilometres)

Average flight time (direct 2 hours 25 minutes)

Minneapolis, USA - Minnesota, Airport - St. Paul International (MSP) to Illinois (CHI)

Distance:
334 miles (537 kilometres)

Average flight time (direct 1 hour 14 minutes)

Fort Lauderdale, USA - Florida, Fort Lauderdale-Hollywood International Airport (FLL) to Illinois (CHI)

Distance:
1,184 miles (1,905 kilometres)

Average flight time (direct 3 hours 7 minutes)

Detroit, USA - Michigan, Airport - Metropolitan Wayne County International (DTW) to Illinois (CHI)

Distance:
234 miles (377 kilometres)

Average flight time (direct 1 hour 1 minute)

Philadelphia, USA - Pennsylvania, Airport - Philadelphia International (PHL) to Illinois (CHI)

Distance:
676 miles (1,088 kilometres)

Average flight time (direct 2 hours)

Baltimore, USA - Maryland, Baltimore/Washington International Airport (BWI) to Illinois (CHI)

Distance:
620 miles (998 kilometres)

Average flight time (direct 1 hour 52 minutes)

Salt Lake City, USA - Utah, Salt Lake City International Airport (SLC) to Illinois (CHI)

Distance:
1,246 miles (2,006 kilometres)

Average flight time (direct 3 hours 16 minutes)

San Diego, USA - California, San Diego International Airport (SAN) to Illinois (CHI)

Distance:
1,720 miles (2,768 kilometres)

Average flight time (direct 4 hours 19 minutes)

Tampa, USA - Florida, Tampa International Airport (TPA) to Illinois (CHI)

Distance:
1,013 miles (1,631 kilometres)

Average flight time (direct 2 hours 45 minutes)

Portland, USA - International Airport, Oregon (PDX) to Illinois (CHI)

Distance:
1,735 miles (2,792 kilometres)

Average flight time (direct 4 hours 21 minutes)

Map of Illinois

Travel Videos About Illinois

Cheapest flight routes found to Illinois

From Atlanta

From Atlanta (ATL), USA to Chicago, United States (ORD): $56

Depart: 29 May 2025 · Return: 29 May 2025 Price found 09 May 2025, 01:30

From Fort Lauderdale

From Fort Lauderdale (FLL), USA to Chicago, United States (ORD): $75

Depart: 02 Jun 2025 · Return: 03 Jun 2025 Price found 09 May 2025, 05:35

From Washington D.C.

From Washington D.C. (BWI), USA to Chicago, United States (MDW): $78

Depart: 14 Jul 2025 · Return: 23 Jul 2025 Price found 09 May 2025, 00:11

From Los Angeles

From Los Angeles (LAX), USA to Chicago, United States (ORD): $79

Depart: 31 May 2025 · Return: 02 Jun 2025 Price found 09 May 2025, 03:55

From Miami

From Miami (MIA), USA to Chicago, United States (ORD): $85

Depart: 29 May 2025 · Return: 07 Jun 2025 Price found 09 May 2025, 17:46

From Houston

From Houston (IAH), USA to Chicago, United States (ORD): $87

Depart: 31 May 2025 · Return: 02 Jun 2025 Price found 09 May 2025, 08:12

From Boston

From Boston (BOS), USA to Chicago, United States (MDW): $90

Depart: 15 Jul 2025 · Return: 16 Jul 2025 Price found 08 May 2025, 23:34

From Philadelphia

From Philadelphia (PHL), USA to Chicago, United States (MDW): $94

Depart: 02 Jun 2025 · Return: 06 Jun 2025 Price found 09 May 2025, 05:06

From Dallas

From Dallas (DFW), USA to Chicago, United States (ORD): $95

Depart: 03 Jun 2025 · Return: 08 Jun 2025 Price found 09 May 2025, 02:12

From Denver

From Denver (DEN), USA to Chicago, United States (ORD): $95

Depart: 02 Jul 2025 · Return: 05 Jul 2025 Price found 12 May 2025, 05:00

From Charlotte

From Charlotte (CLT), USA to Chicago, United States (ORD): $100

Depart: 20 Jul 2025 · Return: 24 Jul 2025 Price found 09 May 2025, 19:03

From Las Vegas

From Las Vegas (LAS), USA to Chicago, United States (ORD): $101

Depart: 03 Jun 2025 · Return: 07 Jun 2025 Price found 09 May 2025, 15:21

From Detroit

From Detroit (DTW), USA to Chicago, United States (MDW): $105

Depart: 08 Jul 2025 · Return: 15 Jul 2025 Price found 08 May 2025, 23:38

From Seattle

From Seattle (SEA), USA to Chicago, United States (ORD): $111

Depart: 27 May 2025 · Return: 04 Jun 2025 Price found 09 May 2025, 00:31

From San Diego

From San Diego (SAN), USA to Chicago, United States (RFD): $116

Depart: 28 May 2025 · Return: 04 Jun 2025 Price found 08 May 2025, 22:26

From Minneapolis

From Minneapolis (MSP), USA to Chicago, United States (ORD): $116

Depart: 16 Jun 2025 · Return: 20 Jun 2025 Price found 09 May 2025, 04:41

From Portland

From Portland (PDX), USA to Chicago, United States (ORD): $131

Depart: 07 Jun 2025 · Return: 28 Jun 2025 Price found 08 May 2025, 21:58

From San Francisco

From San Francisco (SFO), USA to Chicago, United States (ORD): $131

Depart: 31 May 2025 · Return: 04 Jun 2025 Price found 09 May 2025, 03:02

From Salt Lake City

From Salt Lake City (SLC), USA to Chicago, United States (ORD): $142

Depart: 28 May 2025 · Return: 03 Jun 2025 Price found 09 May 2025, 16:37