How many flights depart from Illinois to United States on average per day?

622 flights are operational daily from Illinois to United States as of July 2026. The most popular departure time for this route is 6:00AM, with 37% of flights per day taking off at noon.

How many flights depart from Illinois to United States on average per week?

As of July 2026, there are 4,355 flights per week flying from Illinois to United States. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

How long is the flight from Illinois to United States?

Flight times vary depending on what airport in Illinois you fly out of and what airport in United States you fly into. For example, flying from Chicago to Los Angeles takes 4h 20m on average. On the other hand, flying from Moline to Los Angeles takes 6h 12m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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

United Airlines, JetBlue, and Delta are the most popular carriers operating from Illinois to United States

What airlines fly to United States?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to United States from Illinois according to our data. United Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 10 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Illinois to United States refresh daily.

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

There are 9 operators available for flights from Illinois to United States as of July 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to United States.

What documentation or ID do you need to fly to United States?

The travel and health documents required for your trip to United States 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 United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$56 Cheap Flights from Illinois to the United States in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to the United States

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:57 pm - 11:57 pm

ORD

DEN

3h 00mnonstop

5:05 pm - 8:52 pm

DEN

ORD

2h 47mnonstop

$166Frontier

mar., ago. 11 - jue., ago. 13

9:40 pm - 1:11 am

ORD

BOS

2h 31mnonstop

5:45 am - 9:38 am

BOS

ORD

4h 53m

1 stop

$168United Airlines

jue., ago. 20 - dom., ago. 23

8:20 pm - 11:51 pm

ORD

BOS

2h 31mnonstop

5:01 am - 8:52 am

BOS

ORD

4h 51m

1 stop

$169JetBlue

jue., ago. 20 - dom., ago. 23

8:24 pm - 11:58 pm

ORD

BOS

2h 34mnonstop

6:55 am - 11:47 am

BOS

ORD

5h 52m

1 stop

$171JetBlue

mar., sep. 29 - dom., oct. 4

6:00 am - 9:17 am

ORD

LGA

2h 17mnonstop

6:10 am - 7:59 am

LGA

ORD

2h 49mnonstop

$186American Airlines

jue., jul. 30 - mar., ago. 11

3:10 pm - 7:02 pm

ORD

MCO

2h 52mnonstop

8:52 am - 11:00 am

MCO

ORD

3h 08mnonstop

$190American Airlines

jue., ago. 13 - lun., ago. 17

6:00 am - 9:09 am

ORD

LGA

2h 09mnonstop

8:30 pm - 10:24 pm

LGA

ORD

2h 54mnonstop

$191Delta

jue., jul. 30 - mar., ago. 4

6:00 am - 9:20 am

ORD

JFK

2h 20mnonstop

8:10 am - 10:04 am

JFK

ORD

2h 54mnonstop

$192Delta

jue., nov. 5 - jue., ene. 7

2:40 pm - 7:15 pm

ORD

DFW

4h 35m

1 stop

5:13 pm - 7:55 pm

DFW

ORD

2h 42mnonstop

$207Multiple Airlines

vie., sep. 4 - mié., sep. 9

9:57 pm - 9:04 am

ORD

SEA

13h 07m

1 stop

12:17 am - 6:20 am

SEA

ORD

4h 03mnonstop

$313Multiple Airlines

jue., ago. 13 - dom., ago. 16

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Delta flights from Illinois to United States

Our best Delta deals on Illinois to United States flight tickets

Delta

Jul 28

ORD7:00 amChicago O'Hare Intl

2h 14m

LGA10:14 amNew York LaGuardia

Aug 4

LGA6:00 amNew York LaGuardia

2h 29m

ORD7:29 amChicago O'Hare Intl

$191

Delta

Nov 5

ORD6:00 amChicago O'Hare Intl

2h 20m

JFK9:20 amNew York John F Kennedy Intl

Jan 7

JFK8:10 amNew York John F Kennedy Intl

2h 54m

ORD10:04 amChicago O'Hare Intl

$192

Delta

Sep 23

ORD7:35 amChicago O'Hare Intl

2h 33m

BOS11:08 amBoston Logan Intl

Sep 29

BOS12:15 pmBoston Logan Intl

2h 49m

ORD2:04 pmChicago O'Hare Intl

$197

JetBlue flights from Illinois to United States

Our best JetBlue deals on Illinois to United States flight tickets

JetBlue

Aug 20

ORD8:20 pmChicago O'Hare Intl

2h 31m

BOS11:51 pmBoston Logan Intl

Aug 23

BOS5:01 amBoston Logan Intl

4h 51m

1 stop

ORD8:52 amChicago O'Hare Intl

$169

JetBlue

Sep 29

ORD8:24 pmChicago O'Hare Intl

2h 34m

BOS11:58 pmBoston Logan Intl

Oct 4

BOS6:55 amBoston Logan Intl

5h 52m

1 stop

ORD11:47 amChicago O'Hare Intl

$171

JetBlue

Oct 1

ORD9:38 amChicago O'Hare Intl

2h 28m

BOS1:06 pmBoston Logan Intl

Oct 1

BOS5:00 pmBoston Logan Intl

3h 22m

ORD7:22 pmChicago O'Hare Intl

$173

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

mar. 8/11

9:57 pm-11:57 pm

Nonstop3h 00m

Denver Intl

jue. 8/13

5:05 pm-8:52 pm

Nonstop2h 47m

$166

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

jue. 8/20

9:40 pm-1:11 am

Nonstop2h 31m

Boston Logan Intl

dom. 8/23

5:45 am-9:38 am

1 stop4h 53m

$168

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

jue. 8/20

8:20 pm-11:51 pm

Nonstop2h 31m

Boston Logan Intl

dom. 8/23

5:01 am-8:52 am

1 stop4h 51m

$169

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

mar. 9/29

8:24 pm-11:58 pm

Nonstop2h 34m

Boston Logan Intl

dom. 10/4

6:55 am-11:47 am

1 stop5h 52m

$171

ChicagoNew York

ORD - LGA

ORDLGA

Chicago O'Hare Intl

jue. 7/30

6:00 am-9:17 am

Nonstop2h 17m

New York LaGuardia

mar. 8/11

6:10 am-7:59 am

Nonstop2h 49m

$186

ChicagoOrlando

ORD - MCO

ORDMCO

Chicago O'Hare Intl

jue. 8/13

3:10 pm-7:02 pm

Nonstop2h 52m

Orlando

lun. 8/17

8:52 am-11:00 am

Nonstop3h 08m

$190

Quickest round-trip

ChicagoNew York

ORD - LGA

ORDLGA

Chicago O'Hare Intl

jue. 7/30

6:00 am-9:09 am

Nonstop2h 09m

New York LaGuardia

mar. 8/4

8:30 pm-10:24 pm

Nonstop2h 54m

$191

ChicagoNew York

ORD - JFK

ORDJFK

Chicago O'Hare Intl

jue. 11/5

6:00 am-9:20 am

Nonstop2h 20m

New York John F Kennedy Intl

jue. 1/7

8:10 am-10:04 am

Nonstop2h 54m

$192

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

vie. 9/4

2:40 pm-7:15 pm

1 stop4h 35m

Dallas/Fort Worth

mié. 9/9

5:13 pm-7:55 pm

Nonstop2h 42m

$207

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

jue. 8/13

9:57 pm-9:04 am

1 stop13h 07m

Seattle/Tacoma Intl

dom. 8/16

12:17 am-6:20 am

Nonstop4h 03m

$313

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

Other information

What is the cheapest month to fly to United States?

In general, October is the cheapest month to fly from Illinois to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $263. If you aren’t able to travel during the month of October, then book flights to United States from Illinois during January instead. Flights to United States in January, while not as cheap as those in October, still average around $266.

What is the cheapest day to depart on your flight to United States?

According to our data, Friday is the cheapest day to fly to United States from Illinois. The lowest ticket price found for a Friday departure recently was $270. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $394. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is in the evening when flights can be purchased for as low as $278. Try not to purchase tickets in the afternoon because they tend to be around $374. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Illinois to United States flight route?

Fly from Moline Quad-City to Las Vegas Harry Reid Intl for the best Illinois - United States flight prices

How far in advance should I book a flight from Illinois to the United States?

You are more likely to see cheaper flights to United States from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $205 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from Illinois for as low as $164 on momondo.

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

There are 4 cabin classes available to choose from on Illinois to United States 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 Illinois to United States flights?

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

Cheap Illinois to United States flight deals and tips

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

Best Price Found	$45
Fastest flight time	0h 45m
Direct flights	Every day
Airports in United States	4,297 airports

The best one-way flight to United States from Illinois in the past 72 hours is $45. The best round-trip flight deal from Illinois to United States found on momondo in the last 72 hours is $61.

The fastest flight from Illinois to United States takes 0h 45m

Direct flights go from Illinois to United States every day.

There are 4,297 airports in United States. From Illinois there are direct flights to Newark (EWR), New York LaGuardia (LGA).

Search flight deals

Frequently asked questions about flying from Illinois to the United States

When did momondo last update prices for flights from Illinois to United States?
Prices for flights from Illinois to United States refresh daily.
How many operators does momondo search for flights from Illinois to United States?
There are 9 operators available for flights from Illinois to United States as of July 2026.
How old do you have to be to fly from Illinois to United States?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to United States.
What documentation or ID do you need to fly to United States?
The travel and health documents required for your trip to United States 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 United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Illinois to United States?
momondo data reveals that the most frequently booked plane model on the route from Illinois to United States is Boeing 737-800, representing 22.21% of all bookings. The subsequent popular models are Airbus A321neo at 16.08%, Boeing 737-900 at 10.54%, and Boeing 737 MAX 9 at 8.19%.

Best airlines flying from Illinois to United States

Compare and see reviews for airlines that fly from Illinois to United States with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $39	Free Cancellation	Rating 5.6 2,812 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $62	Free Cancellation	Rating 7.8 2,824 reviews	Search Hawaiian Airlines flights
JetBlue	PriceFrom $68	Free Cancellation	Rating 7.1 3,009 reviews	Search JetBlue flights
Delta	PriceFrom $83	Free Cancellation	Rating 7.8 8,467 reviews	Search Delta flights
Southwest	PriceFrom $106	Free Cancellation	Rating 8.0 4,249 reviews	Search Southwest flights
Allegiant Air	PriceFrom $118	Free Cancellation	Rating 7.3 682 reviews	Search Allegiant Air flights
United Airlines	PriceFrom $127	Free Cancellation	Rating 7.4 9,986 reviews	Search United Airlines flights
American Airlines	PriceFrom $136	Free Cancellation	Rating 7.1 11,810 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $139	Free Cancellation	Rating 7.9 12,654 reviews	Search Alaska Airlines flights
Contour	PriceFrom $164	Free Cancellation	Rating 7.7 42 reviews	Search Contour flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to United States. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to United States from Illinois which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Illinois and United States by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Illinois to United States flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your United States 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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

jue. 8/13

jue. 8/20

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Popular cities

Other flights from Illinois

Other flights to the United States

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in the United States

Flights to New Yorkfrom $67

Flights to Los Angelesfrom $50

Flights to Orlandofrom $58

Flights to Miamifrom $54

Flights to Chicagofrom $70

Flights to San Franciscofrom $50

Flights to Las Vegasfrom $56

Flights to Washington, D.C.from $55

Flights to Bostonfrom $52

Flights to Atlantafrom $56

Flights to Fort Lauderdalefrom $56

Flights to Dallasfrom $80

Cheap flights from Illinois to the United States from $88

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to the United States departing on 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Illinois to the United States

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Delta flights from Illinois to United States

Our best Delta deals on Illinois to United States flight tickets

JetBlue flights from Illinois to United States

Our best JetBlue deals on Illinois to United States flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Illinois to the United States that are best for you.

See travel insights to the United States from

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

What is the cheapest month to fly to United States?

What is the cheapest day to depart on your flight to United States?

What is the cheapest time of day to depart on your flight to United States?

What is the cheapest Illinois to United States flight route?

How far in advance should I book a flight from Illinois to the United States?

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

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

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

What airlines fly to United States?

How many flights depart from Illinois to United States on average per day?

How many flights depart from Illinois to United States on average per week?

How long is the flight from Illinois to United States?

Cheap Illinois to United States flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in United States

Frequently asked questions about flying from Illinois to the United States

Best airlines flying from Illinois to United States

Compare and see reviews for airlines that fly from Illinois to United States with momondo

Why use momondo?

An easier way to manage your United States 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Illinois flight routes

According to popular flight searches on momondo this year

United States flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to the United States

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to the United States

List of cabin classes available on flights landing in the United States. Availability may vary depending on flight origin and airline.

Complete your trip to the United States

Explore popular destinations other users love

According to popular flight searches on momondo this year