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Cheap flights from the United States to Illinois from $39

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Illinois departing on 4/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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To?
Sun 4/14
Sun 4/21

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Cheap United States to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Illinois

Best Price Found

$39

Fastest flight time

2h 08m

Direct flights

Every day

Airports in Illinois

1 airport
The best one-way flight to Illinois from United States in the past 72 hours is $39. The best round-trip flight deal from United States to Illinois found on momondo in the last 72 hours is $49.
The fastest flight from United States to Illinois takes 2h 08m
Direct flights go from United States to Illinois every day.
There is 1 airport near Illinois: Chicago O'Hare Intl (ORD)

How to get the cheapest flight ticket from United States to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies to Illinois from United States?

Frontier. Alaska Airlines, Allegiant Air, and Frontier are the most popular carriers operating from United States to Illinois

What is the cheapest United States to Illinois flight route?

Atlanta Hartsfield-Jackson - Chicago O'Hare Intl. Fly from Atlanta Hartsfield-Jackson to Chicago O'Hare Intl for the best United States - Illinois flight prices

What cabin class options are available on United States to Illinois flights?

There are 4 cabin classes available to choose from on United States to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to Illinois flights?

No. A direct flight is the cheapest option for a flight between United States to Illinois.

Easily compare round-trip flights from United States to Illinois

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from United States to Illinois by changing tabs
Spirit Airlines
May 7
LGA8:37 amNew York LaGuardia
2h 37m
ORD10:14 amChicago O'Hare Intl
May 14
ORD11:14 amChicago O'Hare Intl
2h 11m
LGA2:25 pmNew York LaGuardia
Multiple Airlines
May 4
LGA12:29 pmNew York LaGuardia
13h 23m
1 stop
ORD12:52 amChicago O'Hare Intl
May 7
ORD5:09 pmChicago O'Hare Intl
2h 15m
LGA8:24 pmNew York LaGuardia
Frontier
May 7
HOU3:59 pmHouston Hobby
8h 57m
1 stop
ORD12:56 amChicago O'Hare Intl
May 14
ORD5:51 pmChicago O'Hare Intl
23h 47m
1 stop
HOU5:38 pmHouston Hobby
Spirit Airlines
Apr 30
LGA8:37 amNew York LaGuardia
2h 37m
ORD10:14 amChicago O'Hare Intl
May 7
ORD11:11 amChicago O'Hare Intl
2h 15m
LGA2:26 pmNew York LaGuardia
Spirit Airlines
May 7
LGA8:03 pmNew York LaGuardia
2h 40m
ORD9:43 pmChicago O'Hare Intl
May 14
ORD11:14 amChicago O'Hare Intl
2h 11m
LGA2:25 pmNew York LaGuardia
Alaska Airlines
May 2
SEA11:46 pmSeattle/Tacoma Intl
3h 59m
ORD5:45 amChicago O'Hare Intl
May 11
ORD6:00 amChicago O'Hare Intl
4h 34m
SEA8:34 amSeattle/Tacoma Intl

Find the cheapest one-way flights from United States to Illinois

If you're looking for one-way flights from United States to Illinois, view some of our deals below provided by Alaska Airlines, American Airlines and Frontier
Spirit Airlines
Apr 16
LGA8:37 amNew York LaGuardia
2h 37m
ORD10:14 amChicago O'Hare Intl
Frontier
Apr 25
HOU3:43 pmHouston Hobby
9h 13m
1 stop
ORD12:56 amChicago O'Hare Intl
Alaska Airlines
May 2
SEA11:46 pmSeattle/Tacoma Intl
3h 59m
ORD5:45 amChicago O'Hare Intl

Search last-minute flights to Illinois from United States

Find and compare round-trip flight prices for your last-minute flight from United States to Illinois
Spirit Airlines
Apr 16
LGA8:37 amNew York LaGuardia
2h 37m
ORD10:14 amChicago O'Hare Intl
Apr 23
ORD11:11 amChicago O'Hare Intl
2h 15m
LGA2:26 pmNew York LaGuardia
Multiple Airlines
Apr 16
LGA6:00 amNew York LaGuardia
11h 51m
1 stop
ORD4:51 pmChicago O'Hare Intl
Apr 24
ORD11:11 amChicago O'Hare Intl
2h 15m
LGA2:26 pmNew York LaGuardia
Frontier
Apr 18
HOU3:38 pmHouston Hobby
9h 18m
1 stop
ORD12:56 amChicago O'Hare Intl
Apr 22
ORD8:25 amChicago O'Hare Intl
10h 48m
1 stop
HOU7:13 pmHouston Hobby
Spirit Airlines
Apr 16
LGA8:03 pmNew York LaGuardia
2h 40m
ORD9:43 pmChicago O'Hare Intl
Apr 24
ORD11:11 amChicago O'Hare Intl
2h 15m
LGA2:26 pmNew York LaGuardia
JetBlue
Apr 18
JFK7:05 amNew York John F Kennedy Intl
2h 50m
ORD8:55 amChicago O'Hare Intl
May 1
ORD5:32 pmChicago O'Hare Intl
2h 28m
JFK9:00 pmNew York John F Kennedy Intl
Multiple Airlines
Apr 16
LGA6:00 amNew York LaGuardia
11h 51m
1 stop
ORD4:51 pmChicago O'Hare Intl
Apr 17
ORD5:09 pmChicago O'Hare Intl
2h 15m
LGA8:24 pmNew York LaGuardia

Best airlines flying from United States to Illinois

Compare and see reviews for airlines that fly from United States to Illinois with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $32Free CancellationRating
6.4
8,819 reviews
Search Spirit Airlines flights
FrontierPriceFrom $33Free CancellationRating
6.3
4,210 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $39Free CancellationRating
8.1
9,077 reviews
Search Alaska Airlines flights
JetBluePriceFrom $79Free CancellationRating
7.6
4,750 reviews
Search JetBlue flights
DeltaPriceFrom $79Free CancellationRating
8.0
11,232 reviews
Search Delta flights
United AirlinesPriceFrom $89Free CancellationRating
7.4
11,408 reviews
Search United Airlines flights
American AirlinesPriceFrom $106Free CancellationRating
7.3
15,036 reviews
Search American Airlines flights
Allegiant AirPriceFrom $109Free CancellationRating
7.4
1,057 reviews
Search Allegiant Air flights
Sun Country AirPriceFrom $233Free CancellationRating
7.1
681 reviews
Search Sun Country Air flights

Alaska Airlines flights from United States to Illinois

Our best Alaska Airlines deals on United States to Illinois flight tickets
Alaska Airlines
May 2
SEA11:46 pmSeattle/Tacoma Intl
3h 59m
ORD5:45 amChicago O'Hare Intl
May 11
ORD6:00 amChicago O'Hare Intl
4h 34m
SEA8:34 amSeattle/Tacoma Intl
Alaska Airlines
May 2
SEA11:46 pmSeattle/Tacoma Intl
3h 59m
ORD5:45 amChicago O'Hare Intl
May 11
ORD6:00 amChicago O'Hare Intl
4h 34m
SEA8:34 amSeattle/Tacoma Intl
Alaska Airlines
Apr 17
SFO11:59 pmSan Francisco
4h 24m
ORD6:23 amChicago O'Hare Intl
Apr 23
ORD5:55 pmChicago O'Hare Intl
4h 52m
SFO8:47 pmSan Francisco

JetBlue flights from United States to Illinois

Our best JetBlue deals on United States to Illinois flight tickets
JetBlue
May 8
JFK2:55 pmNew York John F Kennedy Intl
2h 50m
ORD4:45 pmChicago O'Hare Intl
May 15
ORD5:32 pmChicago O'Hare Intl
2h 28m
JFK9:00 pmNew York John F Kennedy Intl
JetBlue
May 4
JFK8:00 amNew York John F Kennedy Intl
2h 56m
ORD9:56 amChicago O'Hare Intl
May 8
ORD10:45 amChicago O'Hare Intl
2h 23m
JFK2:08 pmNew York John F Kennedy Intl
JetBlue
May 1
JFK8:00 amNew York John F Kennedy Intl
2h 56m
ORD9:56 amChicago O'Hare Intl
May 4
ORD10:43 amChicago O'Hare Intl
2h 23m
JFK2:06 pmNew York John F Kennedy Intl

  • When did momondo last update prices for flights from United States to Illinois?

    Prices for flights from United States to Illinois refresh daily.

  • How many operators does momondo search for flights from United States to Illinois?

  • How old do you have to be to fly from United States to Illinois?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Alternative routes for United States to Illinois

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Los Angeles to Chicago Flights
Fastest flight time4h 04m
Cheapest price$76
New York to Chicago Flights
Fastest flight time2h 35m
Cheapest price$50
Dallas to Chicago Flights
Fastest flight time2h 23m
Cheapest price$51
Seattle to Chicago Flights
Fastest flight time3h 55m
Cheapest price$139
Philadelphia to Chicago Flights
Fastest flight time2h 19m
Cheapest price$67
Orlando to Chicago Flights
Fastest flight time3h 00m
Cheapest price$74
Fort Lauderdale to Chicago Flights
Fastest flight time3h 10m
Cheapest price$50
Houston to Chicago Flights
Fastest flight time2h 36m
Cheapest price$63
Atlanta to Chicago Flights
Fastest flight time1h 52m
Cheapest price$37
Boston to Chicago Flights
Fastest flight time2h 35m
Cheapest price$107
San Francisco to Chicago Flights
Fastest flight time4h 11m
Cheapest price$103
Washington, D.C. to Chicago Flights
Fastest flight time1h 59m
Cheapest price$63

Similar United States to Illinois flights

Flexible with your destination? Broaden your search and find flights similar to your United States to Illinois route

Why use momondo?

Why should I use momondo to find a flight deal from United States to Illinois?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from United States.

Can I find flights from United States to Illinois with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for United States to Illinois flights to just show those with flexible booking policies.

How can momondo help me find flights from United States to Illinois?

momondo provides multiple filters to help you find the best flight to Illinois from United States. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from United States to Illinois right now. Can momondo alert me if prices change?

Price alerts on flights to Illinois from United States are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Sun 4/14
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