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$69+ Cheap flights from the United States to Chicago (CHI)

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CHI
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from USA to Chicago

Keep the following information in mind while searching for USA to Chicago flight deals. Data was last updated July 31, 2025.

Round-trip from

$117
(Kiwi.com)

One-way from

$69
(Mytrip)

Popular in

June

Cheapest in

September

Average price

$267

Good round-trip deal

$60 or less

Good one-way deal

$52 or less
From USA to Chicago (CHI)
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One-way flight from USA to Chicago (CHI)
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Highest demand for flights based on searches. 12% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from USA to Chicago (CHI).
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Price to beat on a one-way flight from USA to Chicago (CHI).
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Find flight deals from USA to Chicago

Cheapest flights from USA to Chicago
Explore the most affordable flight options available from USA to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/109:28 pmDFW - ORD
Nonstop2h 22mMultiple Airlines
Sun 10/265:25 amORD - DFW
Nonstop2h 33mMultiple Airlines
Deal found 7/28$117
This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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.
Thu 10/163:16 pmDFW - ORD
Nonstop2h 21mSpirit Airlines
Sun 10/196:32 pmORD - DFW
Nonstop2h 34mSpirit Airlines
Deal found 7/31$118
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/59:27 pmDFW - ORD
Nonstop2h 31mFrontier
Sun 9/78:50 amORD - DFW
Nonstop2h 44mFrontier
Deal found 7/29$119
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.
Fri 10/2410:21 amPHL - ORD
Nonstop2h 31mFrontier
Mon 10/276:20 amORD - PHL
Nonstop2h 06mFrontier
Deal found 7/30$141
This Flysmarter 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/64:30 pmJFK - ORD
Nonstop2h 53mJetBlue
Mon 9/81:35 pmORD - JFK
Nonstop2h 24mJetBlue
Deal found 7/29$150
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.
Sun 9/73:13 pmLGA - ORD
Nonstop2h 38mSpirit Airlines
Wed 9/1011:13 amORD - LGA
Nonstop2h 05mSpirit Airlines
Deal found 7/29$150
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.
Mon 9/2910:21 amPHL - ORD
Nonstop2h 37mMultiple Airlines
Thu 10/212:05 pmORD - PHL
1 stop10h 54mMultiple Airlines
Deal found 7/29$155
This Delta deal was found by Cheapflights users on 7/31. 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.
Sat 9/68:00 amJFK - ORD
Nonstop2h 55mDelta
Mon 9/87:00 amORD - JFK
Nonstop2h 23mDelta
Deal found 7/31$157
This Delta deal was found by Cheapflights users on 7/31. 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.
Sat 9/1310:30 amLGA - ORD
Nonstop2h 36mDelta
Tue 9/167:05 pmORD - LGA
Nonstop2h 19mDelta
Deal found 7/31$157
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/65:20 pmLGA - ORD
Nonstop2h 41mAmerican Airlines
Mon 9/811:16 amORD - LGA
Nonstop2h 14mAmerican Airlines
Deal found 7/30$158
This Frontier deal was found by Cheapflights users on 7/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/66:59 amJFK - ORD
1 stop9h 18mFrontier
Sat 9/65:40 pmORD - JFK
1 stop6h 28mFrontier
Deal found 7/31$159
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/277:25 pmDFW - ORD
Nonstop2h 33mUnited Airlines
Wed 9/312:45 pmORD - DFW
Nonstop2h 36mUnited Airlines
Deal found 7/30$159

Cheapflights Fare Finder

 
Customize your flight search to find flights from USA to Chicago 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 31, 2025.
Use the filters below to find and compare flights from the United States to Chicago that are best for you.

Fly from

USA

Fly to

Chicago

Route

Depart

Return

Price

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Fri 10/10

9:28 pm-11:50 pm

Nonstop2h 22m

Chicago O'Hare Intl

Sun 10/12

5:25 am-7:58 am

Nonstop2h 33m

$117

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Thu 10/16

3:16 pm-5:37 pm

Nonstop2h 21m

Chicago O'Hare Intl

Sun 10/19

6:32 pm-9:06 pm

Nonstop2h 34m

$118

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Fri 9/5

9:27 pm-11:58 pm

Nonstop2h 31m

Chicago O'Hare Intl

Sun 9/7

8:50 am-11:34 am

Nonstop2h 44m

$119

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Fri 10/24

10:21 am-11:52 am

Nonstop2h 31m

Chicago O'Hare Intl

Mon 10/27

6:20 am-9:26 am

Nonstop2h 06m

$141

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Sat 9/6

4:30 pm-6:23 pm

Nonstop2h 53m

Chicago O'Hare Intl

Mon 9/8

1:35 pm-4:59 pm

Nonstop2h 24m

$150

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Sun 9/7

3:13 pm-4:51 pm

Nonstop2h 38m

Chicago O'Hare Intl

Wed 9/10

11:13 am-2:18 pm

Nonstop2h 05m

$150

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Mon 9/29

10:21 am-11:58 am

Nonstop2h 37m

Chicago O'Hare Intl

Thu 10/2

12:05 pm-11:59 pm

1 stop10h 54m

$155

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Sat 9/6

8:00 am-9:55 am

Nonstop2h 55m

Chicago O'Hare Intl

Mon 9/8

7:00 am-10:23 am

Nonstop2h 23m

$157

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Sat 9/13

10:30 am-12:06 pm

Nonstop2h 36m

Chicago O'Hare Intl

Tue 9/16

7:05 pm-10:24 pm

Nonstop2h 19m

$157

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Sat 9/6

5:20 pm-7:01 pm

Nonstop2h 41m

Chicago O'Hare Intl

Mon 9/8

11:16 am-2:30 pm

Nonstop2h 14m

$158

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 60 results
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The best insider tips for theUnited States to Chicago flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Chicago trip
Airlines
American Airlines

American Airlines' Main Cabin Extra provides more legroom than standard economy.


American Airlines' Flagship Business offers lie-flat seats on select transcontinental flights.

Read more about American Airlinesby Marisa Garcia
United Airlines

United's Basic Economy allows a personal item but no carry-on bags.


United Economy Plus offers extra legroom and priority boarding on domestic routes.

Read more about United Airlinesby Harriet Baskas
Frontier

Frontier's UpFront Plus offers a guaranteed empty middle seat for extra comfort.


Frontier charges for carry-on bags; add them during booking for lower fees.

Read more about Frontierby Marisa Garcia
Spirit Airlines

Spirit's Big Front Seats offer 11 inches more legroom, ideal for comfort.


Spirit's Saver$ Club offers discounts on luggage and seats.

Read more about Spirit Airlinesby Daniel Scheffler
Delta

Delta offers free Wi-Fi on most domestic flights for SkyMiles members.


Delta Comfort Plus provides extra legroom and early boarding on domestic flights.

Read more about Deltaby Harriet Baskas
Alaska Airlines

Alaska Airlines offers 32” legroom in Main Cabin, ideal for short domestic flights.


Saver Fare allows a carry-on, but no seat selection in advance.

Read more about Alaska Airlinesby Robert Schrader
Airports
ORD

Take the 'L' train from ORD to downtown Chicago for a reliable and traffic-free journey.

Read more about ORDby Ramsey Qubein
MDW

The Orange Line train connects MDW to downtown Chicago in under 30 minutes, offering a convenient and affordable travel option.

Read more about MDWby Ramsey Qubein
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on American Airlines and Frontier

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines and Delta

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD and MDW

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from USA to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from USA 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 the United States to Chicago

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

Currently, August is the cheapest month in which you can book a flight from USA to Chicago (average of $245). Flying from USA to Chicago in March is currently the most expensive (average of $321). 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 US to CHI?

Find hourly flight availability from USA to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

When flying from USA to Chicago, 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 USA to Chicago

Explore weekly flight availability from USA to Chicago. 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 31, 2025.

The most flights from US0 to CHI are scheduled on a Thursday (141 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (80 on average).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated July 31, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from the United States to Chicago to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

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

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

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
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

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
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

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

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

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.
Avelo Airlines
7.5
Good
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

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 USA to Chicago. 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 USA to Chicago one-way?

    One-way options have recently been found by users for as low as $69 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $75 and Delta from $79 one-way.

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

    The most popular route from USA to Chicago is Dallas/Fort Worth - Chicago O'Hare Intl. You may also consider Newark - Chicago O'Hare Intl or New York LaGuardia - Chicago O'Hare Intl.

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

    No one likes to see their flight delayed. When booking a flight from USA to Chicago consider choosing Austrian Airlines (96%), China Southern (93%) or Finnair (89%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from USA to Chicago?

    The cheapest flight price from USA to Chicago is $78. On average you can expect to pay $1,075. The most popular route, (Dallas/Fort Worth - Chicago O'Hare Intl), can usually be booked for $98.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from USA to Chicago 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 USA to Chicago?

    Currently, August is the cheapest month in which you can book a flight from USA to Chicago (average of $245). Flying from USA to Chicago in March is currently the most expensive (average of $321). 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

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
Lansing
Hammond
Benton Harbor
Porter
Valparaiso
Chesterton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for USA to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to O'Hare Intl flights
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Top 10 airlines flying from USA to Chicago

Discover the top 10 airlines that operate flights from USA to Chicago. 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 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$37Average$180FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$44Average$148FlexibilityNo cancel feeOn-time88%
FrontierCheapest$56Average$180FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$74Average$215FlexibilityNo cancel feeOn-time62%
DeltaCheapest$94Average$337FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$97Average$308FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$108Average$288FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$125Average$303FlexibilityNo cancel feeOn-time63%
Sun Country AirCheapest$130Average$330FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$136Average$279FlexibilityNo cancel feeOn-time71%

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