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$158+ Cheap flights from Dayton (DAY) 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — CHI
Aug 17 — Aug 241
Mon 8/17
Mon 8/24
1 adult, Economy
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Cheapflights Tip: The best prices from Dayton to Chicago are usually found in February or December, booked 66 days in advance, depart on a Friday or Saturday and return on a Friday

Cheap flight deals from Dayton to Chicago

Cheapest flights from Dayton to Chicago
Explore the most affordable flight options available from Dayton to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2026.

This United Airlines deal was found by Cheapflights users on 7/16. 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.
Sat 8/157:15 am
DAY
-
ORD
Nonstop1h 38m
United Airlines
Sat 8/299:30 pm
ORD
-
DAY
Nonstop1h 29m
United Airlines
Deal found 7/16$237
This American Airlines deal was found by Cheapflights users on 7/18. 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 8/228:25 am
DAY
-
ORD
Nonstop1h 35m
American Airlines
Sun 8/238:20 pm
ORD
-
DAY
Nonstop1h 26m
American Airlines
Deal found 7/18$238
This United Airlines deal was found by Cheapflights users on 7/17. 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 8/146:11 pm
DAY
-
ORD
Nonstop1h 34m
United Airlines
Mon 8/179:30 pm
ORD
-
DAY
Nonstop1h 29m
United Airlines
Deal found 7/17$239
This American Airlines deal was found by Cheapflights users on 7/14. 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.
Wed 9/3012:19 pm
DAY
-
ORD
Nonstop1h 33m
American Airlines
Sat 10/109:30 pm
ORD
-
DAY
Nonstop1h 26m
American Airlines
Deal found 7/14$253
This United Airlines deal was found by Cheapflights users on 7/16. 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 7/315:40 am
DAY
-
ORD
Nonstop1h 15m
United Airlines
Thu 8/63:00 pm
ORD
-
DAY
Nonstop1h 30m
United Airlines
Deal found 7/16$254
This American Airlines deal was found by Cheapflights users on 7/16. 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 8/2712:22 pm
DAY
-
ORD
Nonstop1h 28m
American Airlines
Sun 8/309:30 am
ORD
-
DAY
Nonstop1h 22m
American Airlines
Deal found 7/16$260
This American Airlines deal was found by Cheapflights users on 7/13. 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.
Fri 7/313:56 pm
DAY
-
ORD
Nonstop1h 35m
American Airlines
Sun 8/28:29 pm
ORD
-
DAY
Nonstop1h 22m
American Airlines
Deal found 7/13$269
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Sat 7/252:23 pm
DAY
-
ORD
Nonstop1h 32m
United Airlines
Sat 8/111:29 am
ORD
-
DAY
Nonstop1h 18m
United Airlines
Deal found 7/16$272
This American Airlines deal was found by Cheapflights users on 7/13. 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 7/308:49 am
DAY
-
ORD
Nonstop1h 41m
American Airlines
Sun 8/28:29 pm
ORD
-
DAY
Nonstop1h 22m
American Airlines
Deal found 7/13$274
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Thu 7/302:23 pm
DAY
-
ORD
Nonstop1h 32m
United Airlines
Sun 8/99:20 pm
ORD
-
DAY
Nonstop1h 29m
United Airlines
Deal found 7/16$275
This American Airlines deal was found by Cheapflights users on 7/14. 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.
Tue 8/119:45 am
DAY
-
ORD
1 stop8h 03m
American Airlines
Tue 8/182:56 pm
ORD
-
DAY
Nonstop1h 20m
American Airlines
Deal found 7/14$281
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 10/169:08 am
DAY
-
RFD
1 stop10h 58m
Multiple Airlines
Sun 10/1810:30 am
RFD
-
DAY
1 stop27h 45m
Multiple Airlines
Deal found 7/17$339

Find flight deals from Dayton to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Dayton (DAY) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(United Airlines)

One-way from

$158
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$338

Good round-trip deal

$382 or less

Good one-way deal

$309 or less
Provider with most accurate pricing for Dayton-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Dayton-Chicago (CHI) flights.
Search Deals
From Dayton to Chicago (CHI)
Search Deals
One-way flight from Dayton to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Dayton to Chicago (CHI).
Search Deals
Price to beat on a one-way flight from Dayton to Chicago (CHI).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dayton 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 18, 2026.
Use the filters below to find and compare flights from Dayton to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DaytonChicago

DAY - ORD

DAYORD

Dayton

Tue 9/15

9:00 am-9:32 am

Nonstop1h 32m

Chicago O'Hare Intl

Sat 9/19

1:55 pm-4:23 pm

Nonstop1h 28m

$237

DaytonChicago

DAY - ORD

DAYORD

Dayton

Wed 8/26

2:23 pm-2:55 pm

Nonstop1h 32m

Chicago O'Hare Intl

Sun 8/30

9:30 pm-11:59 pm

Nonstop1h 29m

$238

DaytonChicago

DAY - ORD

DAYORD

Dayton

Fri 9/4

7:15 am-7:53 am

Nonstop1h 38m

Chicago O'Hare Intl

Mon 9/7

4:00 pm-6:29 pm

Nonstop1h 29m

$239

DaytonChicago

DAY - ORD

DAYORD

Dayton

Thu 9/10

5:25 am-5:55 am

Nonstop1h 30m

Chicago O'Hare Intl

Sun 9/13

5:55 pm-8:24 pm

Nonstop1h 29m

$239

DaytonChicago

DAY - ORD

DAYORD

Dayton

Fri 7/31

5:40 am-5:55 am

Nonstop1h 15m

Chicago O'Hare Intl

Thu 8/6

3:00 pm-5:30 pm

Nonstop1h 30m

$254

DaytonChicago

DAY - ORD

DAYORD

Dayton

Sat 10/31

5:30 am-6:08 am

Nonstop1h 38m

Chicago O'Hare Intl

Tue 11/3

10:40 am-1:04 pm

Nonstop1h 24m

$307

DaytonChicago

DAY - RFD

DAYRFD

Dayton

Fri 10/16

9:08 am-7:06 pm

1 stop10h 58m

Chicago Greater Rockford

Sun 10/18

10:30 am-3:15 pm

1 stop27h 45m

$339
Quickest round-trip

DaytonChicago

DAY - ORD

DAYORD

Dayton

Wed 12/16

7:15 am-7:31 am

Nonstop1h 16m

Chicago O'Hare Intl

Sun 12/20

9:30 pm-11:44 pm

Nonstop1h 14m

$364

DaytonChicago

DAY - ORD

DAYORD

Dayton

Fri 9/11

6:00 pm-6:33 pm

Nonstop1h 33m

Chicago O'Hare Intl

Sun 9/13

6:30 am-2:13 pm

1 stop6h 43m

$398

DaytonChicago

DAY - RFD

DAYRFD

Dayton

Thu 10/1

2:13 pm-7:59 am

1 stop18h 46m

Chicago Greater Rockford

Sun 10/11

10:30 am-3:15 pm

1 stop27h 45m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/17

Showing 1-10 of 46 resultsSorted by cheapest first
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Compare providers for flights from Dayton to Chicago

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dayton to Chicago in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Dayton-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dayton-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dayton-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dayton-Chicago flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dayton-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dayton to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Dayton 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 Dayton to Chicago

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

Currently, December is the cheapest month in which you can book a flight from Dayton to Chicago (average of $227). Flying from Dayton to Chicago in May is currently the most expensive (average of $338). 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 DAY to CHI?

Find hourly flight availability from Dayton 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 18, 2026.

One of the essential ways to save on airfare from Dayton to Chicago is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 42% on airfare.

Weekly flight availability from Dayton to Chicago

Explore weekly flight availability from Dayton 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 18, 2026.

The most flights from DAY to CHI are scheduled on a Monday (30 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).

How much does it cost to fly round-trip from Dayton to Chicago?

How far ahead should I book a flight from Dayton to Chicago?

The best time to book flights from Dayton to Chicago is 47 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from Dayton to Chicago?

Use this chart to determine the cheapest time to fly round-trip from Dayton to Chicago. Price data was last updated on July 11, 2026.

Travelers seeking maximum savings on their Dayton to Chicago flight should consider departing on Friday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Dayton to Chicago flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Dayton to Chicago trip
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on Qatar Airways

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

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

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 18, 2026.
Get a feel of what it's like to fly with United Airlines and American Airlines from Dayton to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,006 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
10,006 reviews
United Airlines
7.4
Good
10,006 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.1
Good
11,828 reviews
United Airlines
7.4
Good
10,006 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

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

  • What airport do you fly from for flights from Dayton to Chicago?

    Most people fly from Dayton (DAY) if they book a flight from Dayton to Chicago. On average, Dayton has 27 outbound flights to Chicago per day from 2 airlines. Dayton is conveniently located just 10.0 mi from Dayton’s city center.

  • How long is the flight from Dayton to Chicago?

    Departing from Dayton to Chicago will take you 1h 32m. There are 240 mi between Dayton and Chicago. All flights are typically nonstop.

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

    Flying on American Airlines is currently your cheapest option to Chicago, with prices starting at $179. Another option worth looking into is United Airlines, starting at $179 round trip. You may be able to fly from Dayton to Chicago for 32% less than the average price by searching for these airlines.

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

    When deciding which route to take from Dayton to Chicago consider Dayton - Chicago O'Hare Intl, Dayton - Chicago Midway or Dayton - Chicago Greater Rockford as they are the most popular.

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

    Before booking your flight to Chicago from Dayton, check out the most reliable airlines to get you to your destination on time: Envoy Air (94%), Japan Airlines (81%), American Airlines( 78%).

  • What are the cheapest flights from Dayton to Chicago?

    Looking for the cheapest flight from Dayton to Chicago? While on average our users pay $978, our data indicates the cheapest price to be $233. The most popular route (Dayton - Chicago O'Hare Intl), is priced around $237.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Dayton to Chicago (average of $227). Flying from Dayton to Chicago in May is currently the most expensive (average of $338). 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
Benton Harbor
Lansing
Merrillville
Valparaiso
Hammond
Saint Joseph
Porter

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Top 2 airlines flying from Dayton to Chicago

Discover the top 2 airlines that operate flights from Dayton 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 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$287FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$179Average$309FlexibilityNo cancel feeOn-time69%

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