Cheap flights from Illinois to the United States from $28
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 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Round-trip
1 adult
Economy
0 bags
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Cheap round-trip flights
These are some of the best round-trip flight deals from Illinois to the United States that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Illinois to the United States.
Cheap last minute flights
Planning a quick getaway from Illinois to the United States? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to the United States, so you can enjoy a seamless trip without layovers.
Cheap bus & train deals from Illinois to the United States
Find recent round-trip train or bus tickets from Illinois to the United States.
All round-trip flight deals to the United States
The cheapest plane tickets to the United States found on KAYAK recently.
Spirit Airlines flights from Illinois to United States
Our best Spirit Airlines deals on Illinois to United States flight tickets
Spirit Airlines![Spirit Airlines]()
Feb 11![Spirit Airlines]()
Feb 12
ORD9:00 amChicago O'Hare Intl
4h 39m
LAX11:39 amLos Angeles
LAX5:55 pmLos Angeles
10h 12m
1 stop
ORD6:07 amChicago O'Hare Intl
Spirit Airlines![Spirit Airlines]()
Feb 11![Spirit Airlines]()
Feb 12
ORD9:00 amChicago O'Hare Intl
4h 39m
LAX11:39 amLos Angeles
LAX7:15 pmLos Angeles
8h 52m
1 stop
ORD6:07 amChicago O'Hare Intl
American Airlines flights from Illinois to United States
Our best American Airlines deals on Illinois to United States flight tickets
American Airlines![American Airlines]()
Feb 8![American Airlines]()
Feb 11
ORD7:00 pmChicago O'Hare Intl
4h 09m
LAS9:09 pmLas Vegas Harry Reid Intl
LAS7:00 amLas Vegas Harry Reid Intl
3h 37m
ORD12:37 pmChicago O'Hare Intl
American Airlines![American Airlines]()
Feb 10![American Airlines]()
Feb 12
ORD2:58 pmChicago O'Hare Intl
3h 16m
MIA7:14 pmMiami
MIA6:30 amMiami
3h 29m
ORD8:59 amChicago O'Hare Intl
See travel insights to the United States from
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, September 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 $157. If you aren’t able to travel during the month of September, then book flights to United States from Illinois during October instead. Flights to United States in October, while not as cheap as those in September, still average around $165.
What is the cheapest day to depart on your flight to United States?
According to our data, Wednesday is the cheapest day to fly to United States from Illinois. The lowest ticket price found for a Wednesday departure recently was $188. 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 $266. 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 afternoon when flights can be purchased for as low as $202. Try not to purchase tickets at noon because they tend to be around $239. 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 Chicago Midway to Atlanta Hartsfield-Jackson for the best Illinois - United States flight prices
How far in advance should I book a flight to United States?
Most flyers found that booking tickets 44 days in advance of their planned departure date is the best time to get cheap flights to United States. During this timeframe, flight prices are around $228. Keep in mind that you might be able to find cheaper flights to United States at any time. In fact, our users found flights for as low as $94 in the past 72 hours.
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.
What is the cheapest airline that flies from Illinois to United States?
Frontier and Spirit Airlines are the most popular carriers operating from Illinois to United States
What airlines fly to United States?
American Airlines, United Airlines and Spirit Airlines are the top three most popular airlines that fly to United States from Illinois according to our data. American Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 11 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.
How many flights depart from Illinois to United States on average per day?
402 flights are operational daily from Illinois to United States as of January 2025. The most popular departure time for this route is 6:00PM, with 38% of flights per day taking off in the afternoon.
How many flights depart from Illinois to United States on average per week?
As of January 2025, there are 2,820 flights per week flying from Illinois to United States. The most common day of the week flights depart is Fri, with 17% of flights taking off on this day.
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 | $28 |
|---|---|
Fastest flight time | 2h 30m |
Direct flights | Every day |
Airports in United States | 9 airports |
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 10 operators available for flights from Illinois to United States as of January 2025.
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 20.46% of all bookings. The subsequent popular models are Airbus A320neo at 13.39%, Airbus A321neo at 11.54%, and Boeing 737-900 at 10.26%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $32 | Free Cancellation | Rating 6.3 8,075 reviews | |||
| PriceFrom $40 | Free Cancellation | Rating 6.0 3,428 reviews | |||
| PriceFrom $54 | Free Cancellation | Rating 7.3 799 reviews | |||
| PriceFrom $63 | Free Cancellation | Rating 8.0 8,501 reviews | |||
| PriceFrom $84 | Free Cancellation | Rating 7.4 3,191 reviews | |||
| PriceFrom $115 | Free Cancellation | Rating 8.0 9,643 reviews | |||
| PriceFrom $127 | Free Cancellation | Rating 7.4 8,942 reviews | |||
| PriceFrom $136 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $138 | Free Cancellation | Rating 8.1 4,650 reviews | |||
| PriceFrom $147 | Free Cancellation | Rating 7.0 381 reviews |
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.
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