HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
USA

$64+ Cheap flights from Chicago (CHI) to the United States

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LAX
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to USA with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Chicago to USA

Keep the following information in mind while searching for Chicago to USA flight deals. Data was last updated July 30, 2025.

Round-trip from

$106
(FlightHub)

One-way from

$64
(Frontier)

Popular in

December

Cheapest in

January

Average price

$219

Good round-trip deal

$78 or less

Good one-way deal

$38 or less
From Chicago (CHI) to USA
Search Deals
One-way flight from Chicago (CHI) to USA
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to USA.
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to USA.
Search Deals

Find flight deals from Chicago to USA

Cheapest flights from Chicago to USA
Explore the most affordable flight options available from Chicago to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This FlightHub deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/305:27 pmORD - DFW
Nonstop2h 49mFrontier
Tue 9/29:21 pmDFW - ORD
Nonstop2h 40mFrontier
Deal found 7/29$106
This Cheapflightsfares deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/58:50 pmORD - DFW
Nonstop2h 32mSpirit Airlines
Sat 11/87:20 amDFW - ORD
Nonstop2h 24mSpirit Airlines
Deal found 7/30$108
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/138:25 amORD - DEN
Nonstop2h 51mFrontier
Sat 9/135:50 pmDEN - ORD
Nonstop2h 38mFrontier
Deal found 7/29$118
This CheapOair deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/137:09 pmORD - LAS
1 stop15h 05mSpirit Airlines
Wed 8/2011:10 pmLAS - ORD
Nonstop3h 40mSpirit Airlines
Deal found 7/29$119
This Cheapflightsfares deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/39:54 pmORD - LAS
Nonstop4h 11mFrontier
Sun 10/56:00 amLAS - ORD
Nonstop3h 48mFrontier
Deal found 7/30$120
This Booking.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/195:05 amORD - LGA
1 stop9h 53mSpirit Airlines
Sat 8/2310:59 amLGA - ORD
1 stop14h 00mSpirit Airlines
Deal found 7/29$124
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:40 amORD - JFK
Nonstop2h 23mFrontier
Wed 12/1711:00 amJFK - ORD
Nonstop2h 45mFrontier
Deal found 7/29$127
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/81:45 pmORD - DFW
Nonstop2h 48mMultiple Airlines
Mon 10/279:28 pmDFW - ORD
Nonstop2h 22mMultiple Airlines
Deal found 7/30$133
This CheapOair deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/199:54 pmORD - LAS
Nonstop4h 11mMultiple Airlines
Mon 9/226:15 amLAS - ORD
Nonstop3h 36mMultiple Airlines
Deal found 7/29$134
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/129:15 pmORD - BOS
Nonstop2h 30mUnited Airlines
Sun 9/146:10 amBOS - ORD
Nonstop2h 55mUnited Airlines
Deal found 7/29$137
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:00 amORD - LGA
Nonstop2h 10mDelta
Wed 9/32:40 pmLGA - ORD
Nonstop2h 46mDelta
Deal found 7/28$137
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/118:25 pmORD - BOS
Nonstop2h 28mAmerican Airlines
Thu 9/185:00 amBOS - ORD
Nonstop2h 51mAmerican Airlines
Deal found 7/28$138

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to USA that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
Use the filters below to find and compare flights from Chicago to the United States that are best for you.

Fly from

Chicago

Fly to

USA

Route

Depart

Return

Price

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

Sat 8/30

5:27 pm-8:16 pm

Nonstop2h 49m

Dallas/Fort Worth

Tue 9/2

9:21 pm-12:01 am

Nonstop2h 40m

$106

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

Wed 11/5

8:50 pm-11:22 pm

Nonstop2h 32m

Dallas/Fort Worth

Sat 11/8

7:20 am-9:44 am

Nonstop2h 24m

$108

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Sat 9/13

8:25 am-10:16 am

Nonstop2h 51m

Denver Intl

Sat 9/13

5:50 pm-9:28 pm

Nonstop2h 38m

$118

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 8/13

7:09 pm-8:14 am

1 stop15h 05m

Las Vegas Harry Reid Intl

Wed 8/20

11:10 pm-4:50 am

Nonstop3h 40m

$119

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 10/3

9:54 pm-12:05 am

Nonstop4h 11m

Las Vegas Harry Reid Intl

Sun 10/5

6:00 am-11:48 am

Nonstop3h 48m

$120

ChicagoNew York

ORD - LGA

ORDLGA

Chicago O'Hare Intl

Tue 8/19

5:05 am-3:58 pm

1 stop9h 53m

New York LaGuardia

Sat 8/23

10:59 am-11:59 pm

1 stop14h 00m

$124

ChicagoNew York

ORD - JFK

ORDJFK

Chicago O'Hare Intl

Mon 12/15

6:40 am-10:03 am

Nonstop2h 23m

New York John F Kennedy Intl

Wed 12/17

11:00 am-12:45 pm

Nonstop2h 45m

$127

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

Wed 10/8

1:45 pm-4:33 pm

Nonstop2h 48m

Dallas/Fort Worth

Mon 10/27

9:28 pm-11:50 pm

Nonstop2h 22m

$133

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 9/19

9:54 pm-12:05 am

Nonstop4h 11m

Las Vegas Harry Reid Intl

Mon 9/22

6:15 am-11:51 am

Nonstop3h 36m

$134

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Fri 9/12

9:15 pm-12:45 am

Nonstop2h 30m

Boston Logan Intl

Sun 9/14

6:10 am-8:05 am

Nonstop2h 55m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Chicago to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to the United States

What is the cheapest month to book a flight from Chicago to USA?

Currently, January is the cheapest month in which you can book a flight from Chicago to USA (average of $246). Flying from Chicago to USA in March is currently the most expensive (average of $326). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to US?

Find hourly flight availability from Chicago to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

When flying from Chicago to USA, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Chicago to USA

Explore weekly flight availability from Chicago to USA. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 30, 2025.

The most flights from CHI to US0 are scheduled on a Monday (130 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (66 on average).

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to USA. Reviews last updated July 30, 2025.
Read through reviews of airlines operating flights from Chicago to the United States, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Chicago to USA. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    One-way options have recently been found by users for as low as $64 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $66 and United Airlines from $69 one-way.

  • What are the most popular routes from Chicago to USA?

    While some choose either Chicago O'Hare Intl - New York LaGuardia or Chicago O'Hare Intl - Newark, Chicago O'Hare Intl - New York John F Kennedy Intl is the most popular route from Chicago to USA.

  • What are the most reliable airlines from Chicago to USA?

    Consider Asiana Airlines (93%), Austrian Airlines (90%) or Brussels Airlines (90%) when booking your flight. These represent the most reliable airlines when flying from Chicago to USA.

  • What are the cheapest flights from Chicago to USA?

    On average you can expect to pay $1,554 for a flight from Chicago to USA. The cheapest flight overall is $80 while the most popular route, (Chicago O'Hare Intl - New York John F Kennedy Intl) is currently priced at $109.

  • Can I find deals for flights from Chicago to USA that include hotel bookings?

    Yes. In addition to deals on Chicago to USA flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to USA?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to USA.

  • Can I find deals for business class flights from Chicago to USA?

    Yes. Cheapflights offers flight deals from Chicago to USA by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to USA?

    Currently, January is the cheapest month in which you can book a flight from Chicago to USA (average of $246). Flying from Chicago to USA in March is currently the most expensive (average of $326). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chicago to USA

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to John F Kennedy Intl flights
O'Hare Intl to LaGuardia flights
O'Hare Intl to Newark flights
O'Hare Intl to Dallas/Fort Worth flights
O'Hare Intl to Cancún flights
O'Hare Intl to Las Vegas flights
O'Hare Intl to Seattle flights
O'Hare Intl to Mexico City flights
O'Hare Intl to Denver flights
Midway to LaGuardia flights
O'Hare Intl to Los Angeles flights
O'Hare Intl to Boston flights
O'Hare Intl to Sky Harbor Intl flights
O'Hare Intl to Orlando flights
O'Hare Intl to San Francisco flights
Midway to Newark flights
Midway to Las Vegas flights
O'Hare Intl to Fort Lauderdale flights
O'Hare Intl to Miami flights
O'Hare Intl to Reagan-National flights
St. Louis to Las Vegas flights
O'Hare Intl to Ontario flights
O'Hare Intl to San Diego flights
O'Hare Intl to Dulles Intl flights
O'Hare Intl to Portland flights
Midway to John F Kennedy Intl flights
O'Hare Intl to Tampa flights
Midway to Cancún flights
O'Hare Intl to Atlanta flights
O'Hare Intl to Honolulu flights
O'Hare Intl to Philadelphia flights
O'Hare Intl to Santa Ana flights
Midway to Dallas/Fort Worth flights
O'Hare Intl to Baltimore flights
O'Hare Intl to Salt Lake City flights
O'Hare Intl to Cozumel flights
O'Hare Intl to Austin flights
Midway to Mexico City flights
O'Hare Intl to Nashville flights
Midway to Miami flights
Midway to Tampa flights
O'Hare Intl to Hobby flights
Midway to San Francisco flights
St. Louis to Seattle flights
O'Hare Intl to Fort Myers flights
O'Hare Intl to George Bush Intcntl flights
Midway to Denver flights
Midway to Orlando flights
O'Hare Intl to New Orleans flights
Midway to Atlanta flights

Top 10 airlines flying from Chicago to USA

Discover the top 10 airlines that operate flights from Chicago to USA. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$35Average$172FlexibilityNo cancel feeOn-time65%
FrontierCheapest$50Average$196FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$78Average$202FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$81Average$196FlexibilityNo cancel feeOn-time88%
DeltaCheapest$88Average$327FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$108Average$217FlexibilityNo cancel feeOn-time85%
Sun Country AirCheapest$112Average$330FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$122Average$294FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$127Average$342FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$138Average$343FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.