Cheap flights from Chicago (CHI) to USA

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How to find the cheapest flight from
Chicago (CHI) to USA

How far in advance should I book a flight from Chicago to USA?

To save up to 18% on this flight, we recommend booking at least 24 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Chicago to USA from $262 1-2 weeks out and tickets from $304 for flights departing within the next 72 hours.

What is the cheapest month to fly from Chicago to USA?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to USA. Flights to USA from Chicago in August are about $260 on average during August, but can be found for as low as $64.

Cheap flights from Chicago to USA in February, March 2021

7 Mar - 12 Mar
$27pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
1 Mar - 4 Mar
$29pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
8 Mar - 11 Mar
$29pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
TPA
Tampa
TPA
Tampa
Frontier
Non-Stop
ORD
Chicago O'Hare Intl

Chicago to USA 2021 flight deals

12 Apr - 15 Apr
$22pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
28 Apr - 5 May
$27pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
20 Apr - 21 Apr
$27pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
MCO
Orlando
MCO
Orlando
Frontier
Non-Stop
ORD
Chicago O'Hare Intl

Non-stop flights to USA from Chicago

12 Apr - 15 Apr
$22pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
20 Apr - 21 Apr
$27pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
MCO
Orlando
MCO
Orlando
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
28 Apr - 5 May
$27pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
ORD
Chicago O'Hare Intl

Last minute flights from Chicago to USA

7 Mar - 12 Mar
$27pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
8 Mar - 11 Mar
$29pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
TPA
Tampa
TPA
Tampa
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
9 Mar - 11 Mar
$34pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
TPA
Tampa
TPA
Tampa
Frontier
Non-Stop
ORD
Chicago O'Hare Intl

One-way flights to USA from Chicago

3:21 pm - 5:26 pm
Frontier
Nonstop
4h 05m
ORD - LAS
Frontier
12:50 pm - 4:16 pm
Frontier
Nonstop
5h 26m
ORD - LAS
Frontier
5:55 am - 9:56 am
Frontier
Nonstop
3h 01m
ORD - TPA
Frontier

Related info for your journey

Flight FAQs

From Chicago to USA

Are flight prices decreasing from Chicago to USA due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Chicago and USA for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Chicago to United States to control the spread of COVID-19?

New policies can now be found on Alaska Airlines and Delta to help keep travelers safe while flying. New policies for travelers booking flights from Chicago to United States include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Chicago to United States have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Chicago to United States that may be offering flexible cancellation policies are Spirit Airlines, American Airlines, and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Chicago to USA for under $100 on Cheapflights?

Yes, there are multiple flights from Chicago to USA for under $100. The cheapest flight booked recently is on Frontier for just $22, but on average you can expect to pay $32.

Are there nonstop flights from Chicago to USA for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Chicago to USA under $100. A good price for a nonstop flight from Chicago to USA is less than $32.

Are there last-minute flights available from Chicago to USA for under $100?

There are currently 20+ open flights from Chicago to USA within the next 7 days for less than $100.

What days are nonstop flights available from Chicago to USA?

You can find nonstop flights on the following days: Monday, Tuesday, Friday.

What are the most popular airlines that fly from Chicago to USA?

Major Airline, American Airlines and Alaska Airlines are the most popular airlines when flying from Chicago to USA.

What are the most popular routes from Chicago to USA?

The most popular flight routes from Chicago to USA are Chicago O'Hare Intl - Las Vegas McCarran, Chicago O'Hare Intl - Fort Lauderdale and Chicago O'Hare Intl - Miami.

What are the cheapest Flights from Chicago to USA?

Looking for the cheapest flight from Chicago to USA? While on average our users pay $582, our data indicates the cheapest price to be $66. The most popular route (Chicago O'Hare Intl - Las Vegas McCarran), is priced around $34.

What are the most reliable airlines from Chicago to USA?

No one likes to see their flight delayed. When booking a flight from Chicago to USA consider choosing Brussels Airlines (100%), Air China (100%) or Royal Jordanian (100%) as they are the most reliable in getting you off to your destination on time.

How long is the flight from Chicago to USA?

Spirit Airlines can get you from Chicago to USA in just under 2h 29m. Your travel time will be generally consistent. All flights are typically nonstop.

What are the cheapest airlines flying from Chicago to USA round-trip?

Our cheapest airline available from Chicago to USA is Frontier. Our recent data shows that you can find tickets from as low as $22 on this airline. An additional option worth looking into is Spirit Airlines, starting at $38.

What are the cheapest airlines to fly from Chicago to USA one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $14. Users have also found tickets on Spirit Airlines for as little as $18.

Destination points for flights from Chicago to USA

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Destination information for USA

Flight duration
3h 33m

Airports servicing Chicago

Chicago Midway (MDW)
Rockford (RFD)

Top 10 airlines flying from Chicago to USA

Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$38 $180 No cancel fee 62%
Spirit Airlines
$54 $206 No cancel fee 65%
JetBlue
$71 $227 No cancel fee 62%
Sun Country Air
$107 $238 No cancel fee 83%
Allegiant Air
$148 $264 No cancel fee 88%
American Airlines
$64 $271 No cancel fee 71%
United Airlines
$54 $296 No cancel fee 69%
Delta
$48 $327 No cancel fee N/A
Alaska Airlines
$91 $327 No cancel fee 75%
Southwest
$189 $456 No cancel fee 63%
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