HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$95+ Cheap flights from Dayton (DAY) to Illinois

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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — ORD
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dayton to Illinois 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 Dayton to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Dayton (DAY) to Illinois (USIL). 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 January 21, 2025.

Round-trip from

$189
(American Airlines)

One-way from

$95
(American Airlines)
From Dayton to Illinois
Search Deals
One-way flight from Dayton to Illinois
Search Deals

Find flight deals from Dayton to Illinois

Cheapest flights from Dayton to Illinois
Explore the most affordable flight options available from Dayton to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This American Airlines deal was found by Cheapflights users on 1/20. 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 2/198:30 amDAY - ORD
Nonstop1h 33mAmerican Airlines
Sat 2/228:55 amORD - DAY
Nonstop1h 12mAmerican Airlines
Deal found 1/20$189
This American Airlines deal was found by Cheapflights users on 1/20. 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 2/1211:00 amDAY - STL
1 stop6h 20mAmerican Airlines
Sat 2/153:40 pmSTL - DAY
1 stop5h 58mAmerican Airlines
Deal found 1/20$199
This United Airlines deal was found by Cheapflights users on 1/20. 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 3/52:00 pmDAY - ORD
Nonstop1h 30mUnited Airlines
Sun 3/99:13 pmORD - DAY
Nonstop1h 17mUnited Airlines
Deal found 1/20$219
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 2/410:20 amDAY - STL
1 stop6h 18mUnited Airlines
Sat 2/89:44 amSTL - DAY
1 stop6h 32mUnited Airlines
Deal found 1/20$239
This Delta deal was found by Cheapflights users on 1/20. 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.
Fri 4/116:00 amDAY - STL
1 stop6h 56mDelta
Mon 4/144:00 pmSTL - DAY
1 stop6h 24mDelta
Deal found 1/20$264
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 2/45:51 pmDAY - MLI
1 stop4h 18mUnited Airlines
Sat 2/83:59 pmMLI - DAY
1 stop3h 59mUnited Airlines
Deal found 1/19$299
This Delta deal was found by Cheapflights users on 1/20. 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.
Tue 7/2912:00 pmDAY - ORD
1 stop12h 55mDelta
Tue 8/56:00 amORD - DAY
1 stop10h 51mDelta
Deal found 1/20$365
This Mytrip deal was found by Cheapflights users on 1/20. 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 4/43:58 pmDAY - ORD
1 stop16h 32mMultiple Airlines
Sun 4/67:42 pmORD - DAY
2 stops18h 26mMultiple Airlines
Deal found 1/20$547
This American Airlines deal was found by Cheapflights users on 1/20. 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 2/411:00 amDAY - EVV
1 stop3h 49mAmerican Airlines
Sat 2/85:00 amEVV - DAY
1 stop7h 25mAmerican Airlines
Deal found 1/20$551
This Delta deal was found by Cheapflights users on 1/20. 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 2/811:14 amDAY - MDW
1 stop4h 39mDelta
Sun 2/96:00 amMDW - DAY
1 stop7h 24mDelta
Deal found 1/20$1,163

Find flights from Dayton to Illinois within your budget

Customize your flight search to find flights from Dayton to Illinois 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DaytonChicago

DAY - ORD

DAYORD

Dayton

Wed 2/19

8:30 am-9:03 am

Nonstop1h 33m

Chicago O'Hare Intl

Sat 2/22

8:55 am-11:07 am

Nonstop1h 12m

$189

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Wed 2/12

11:00 am-4:20 pm

1 stop6h 20m

Lambert-St Louis

Sat 2/15

3:40 pm-10:38 pm

1 stop5h 58m

$199

DaytonChicago

DAY - ORD

DAYORD

Dayton

Wed 3/5

2:00 pm-2:30 pm

Nonstop1h 30m

Chicago O'Hare Intl

Sun 3/9

9:13 pm-11:30 pm

Nonstop1h 17m

$219

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Tue 2/4

10:20 am-3:38 pm

1 stop6h 18m

Lambert-St Louis

Sat 2/8

9:44 am-5:16 pm

1 stop6h 32m

$239

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Fri 4/11

6:00 am-11:56 am

1 stop6h 56m

Lambert-St Louis

Mon 4/14

4:00 pm-11:24 pm

1 stop6h 24m

$264

DaytonMoline

DAY - MLI

DAYMLI

Dayton

Tue 2/4

5:51 pm-9:09 pm

1 stop4h 18m

Moline Quad-City

Sat 2/8

3:59 pm-8:58 pm

1 stop3h 59m

$299

DaytonChicago

DAY - ORD

DAYORD

Dayton

Fri 4/4

3:58 pm-7:30 am

1 stop16h 32m

Chicago O'Hare Intl

Sun 4/6

7:42 pm-3:08 pm

2 stops18h 26m

$547

DaytonEvansville

DAY - EVV

DAYEVV

Dayton

Tue 2/4

11:00 am-1:49 pm

1 stop3h 49m

Evansville Dress Regional

Sat 2/8

5:00 am-1:25 pm

1 stop7h 25m

$551

DaytonChicago

DAY - MDW

DAYMDW

Dayton

Sat 2/8

11:14 am-2:53 pm

1 stop4h 39m

Chicago Midway

Sun 2/9

6:00 am-2:24 pm

1 stop7h 24m

$1,163

DaytonChicago

DAY - ORD

DAYORD

Dayton

Tue 2/4

11:00 am-11:27 am

Nonstop1h 27m

$95

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 17 results
1
2

Best time to book a flight from Dayton to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois 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.

Travel insights for flights from Dayton to Illinois

Get recent, data-driven insights about flights from Dayton to Illinois including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Dayton to Illinois (average of $245). Flying from Dayton to Illinois in March is currently the most expensive (average of $320). 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 IL?

Find hourly flight availability from Dayton to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

When flying from Dayton to Illinois, 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 Dayton to Illinois

Explore weekly flight availability from Dayton to Illinois. 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 January 21, 2025.

The most flights from DAY to USIL are scheduled on a Monday (24 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (19 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated January 21, 2025.
Get a feel of what it's like to fly with American Airlines, United Airlines and Delta from Dayton to Illinois by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Entertainment

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Entertainment

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,982 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Entertainment

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Entertainment

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Dayton to Illinois. 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 Illinois?

    If you book a flight to Illinois from Dayton, you will be flying from Dayton, which is the city’s only airport. Dayton (DAY) is located 10.0 mi from the center of Dayton.

  • What are the cheapest airlines to fly from Dayton to Illinois one-way?

    The cheapest airlines for a one-way flight from Dayton to Illinois are American Airlines ($95), United Airlines ($125), and Delta ($184).

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

    The most popular flight routes from Dayton to Illinois are Dayton - Chicago O'Hare Intl, Dayton - Chicago Midway and Dayton - Lambert-St Louis.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Dayton to Illinois on time: Alaska Airlines (90%), Qatar Airways (87%), American Airlines (85%).

  • What are the cheapest flights from Dayton to Illinois?

    Looking at all options, your cheapest flight can be booked for $199. While the most popular route (Dayton - Chicago O'Hare Intl) can be booked for $219 on average our data indicates $775 when flying from Dayton to Illinois.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Dayton to Illinois (average of $245). Flying from Dayton to Illinois in March is currently the most expensive (average of $320). 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 Dayton to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Detroit to Orlando flights
Detroit to Fort Lauderdale flights
Detroit to Miami flights
Detroit to Las Vegas flights
Cleveland to Orlando flights
Detroit to Sky Harbor Intl flights
Detroit to Tampa flights
Cincinnati to Orlando flights
Pittsburgh to Orlando flights
Cincinnati to Las Vegas flights
Cleveland to Las Vegas flights
Detroit to Denver flights
Cleveland to Fort Lauderdale flights
Cleveland to Fort Myers flights
Detroit to Seattle flights
Detroit to John F Kennedy Intl flights
Detroit to Fort Myers flights
Cleveland to Tampa flights
Detroit to Dallas/Fort Worth flights
Detroit to Newark flights
Cincinnati to Denver flights
Detroit to New Orleans flights
Detroit to LaGuardia flights
Pittsburgh to Las Vegas flights
Cleveland to Sky Harbor Intl flights
Cincinnati to Sky Harbor Intl flights
Cincinnati to Fort Lauderdale flights
Cleveland to LaGuardia flights
Cincinnati to Seattle flights
Cleveland to John F Kennedy Intl flights
Cleveland to Atlanta flights
Cleveland to Denver flights
Detroit to Los Angeles flights
Columbus to Fort Lauderdale flights
Columbus to Newark flights
Columbus to Orlando flights
Detroit to Atlanta flights
Pittsburgh to Fort Lauderdale flights
Detroit to Hobby flights
Cleveland to Dallas/Fort Worth flights
Cincinnati to John F Kennedy Intl flights
Detroit to West Palm Beach flights
Cincinnati to Tampa flights
Cleveland to Newark flights
Detroit to San Francisco flights
Detroit to San Diego flights
Detroit to Dulles Intl flights
Cincinnati to Orlando Sanford Intl flights
Cincinnati to Dallas/Fort Worth flights
Detroit to Honolulu flights

Top 3 airlines flying from Dayton to Illinois

Discover the top 3 airlines that operate flights from Dayton to Illinois. 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$178Average$421FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$188Average$300FlexibilityNo cancel feeOn-time69%
DeltaCheapest$570Average$1,383FlexibilityNo cancel feeOn-timeN/A
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.