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$124+ Cheap flights from Illinois to Dayton (DAY)

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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DAY
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheap flight deals from Illinois to Dayton

Keep the following information in mind while searching for Illinois to Dayton flight deals. Data was last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$179
(United Airlines)

One-way from

$124
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$239

Good round-trip deal

$236 or less

Good one-way deal

$209 or less
Provider with most accurate pricing for Chicago (CHI)-Dayton flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Dayton flights.
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From Illinois to Dayton
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One-way flight from Illinois to Dayton
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Highest demand for flights based on searches. 2% potential increase in price ($6 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Illinois to Dayton.
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Price to beat on a one-way flight from Illinois to Dayton.
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Find flight deals from Illinois to Dayton

Cheapest flights from Illinois to Dayton
Explore the most affordable flight options available from Illinois to Dayton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This United Airlines deal was found by Cheapflights users on 11/12. 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 12/58:45 amORD - DAY
Nonstop1h 23mUnited Airlines
Sun 12/79:20 amDAY - ORD
Nonstop1h 29mUnited Airlines
Deal found 11/12$179
This American Airlines deal was found by Cheapflights users on 11/11. 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 12/48:50 pmORD - DAY
Nonstop1h 19mAmerican Airlines
Sun 12/712:51 pmDAY - ORD
Nonstop1h 27mAmerican Airlines
Deal found 11/11$180
This United Airlines deal was found by Cheapflights users on 11/12. 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 11/266:02 pmORD - DAY
Nonstop1h 13mUnited Airlines
Sat 11/296:55 amDAY - ORD
Nonstop1h 25mUnited Airlines
Deal found 11/12$209
This American Airlines deal was found by Cheapflights users on 11/13. 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.
Sat 12/67:10 amORD - DAY
1 stop5h 06mAmerican Airlines
Sun 12/712:51 pmDAY - ORD
Nonstop1h 27mAmerican Airlines
Deal found 11/13$219
This United Airlines deal was found by Cheapflights users on 11/11. 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 11/186:02 pmORD - DAY
Nonstop1h 13mUnited Airlines
Tue 11/2511:43 amDAY - ORD
Nonstop1h 29mUnited Airlines
Deal found 11/11$224
This American Airlines deal was found by Cheapflights users on 11/11. 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 11/186:46 amORD - DAY
1 stop4h 47mAmerican Airlines
Tue 11/256:10 amDAY - ORD
Nonstop1h 24mAmerican Airlines
Deal found 11/11$234
This American Airlines deal was found by Cheapflights users on 11/11. 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 11/217:29 pmORD - DAY
Nonstop1h 14mAmerican Airlines
Mon 11/242:17 pmDAY - ORD
Nonstop1h 29mAmerican Airlines
Deal found 11/11$239
This American Airlines deal was found by Cheapflights users on 11/12. 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 12/53:30 pmORD - DAY
Nonstop1h 20mAmerican Airlines
Sun 12/75:40 amDAY - ORD
1 stop7h 47mAmerican Airlines
Deal found 11/12$244
This Delta deal was found by Cheapflights users on 11/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:17 pmSTL - DAY
1 stop4h 53mDelta
Mon 12/86:34 pmDAY - STL
1 stop6h 08mDelta
Deal found 11/13$244
This United Airlines deal was found by Cheapflights users on 11/11. 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 11/258:45 amORD - DAY
Nonstop1h 23mUnited Airlines
Tue 12/27:15 amDAY - ORD
Nonstop1h 26mUnited Airlines
Deal found 11/11$254
This United Airlines deal was found by Cheapflights users on 11/12. 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 11/129:30 pmORD - DAY
Nonstop1h 13mUnited Airlines
Wed 12/179:20 amDAY - ORD
Nonstop1h 29mUnited Airlines
Deal found 11/12$259
This American Airlines deal was found by Cheapflights users on 11/12. 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 11/287:11 amSTL - DAY
1 stop5h 33mAmerican Airlines
Tue 12/26:00 amDAY - STL
1 stop5h 18mAmerican Airlines
Deal found 11/12$259

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Dayton 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 November 13, 2025.
Use the filters below to find and compare flights from Illinois to Dayton that are best for you.

Fly from

Illinois

Fly to

Dayton

Route

Depart

Return

Price

ChicagoDayton

ORD - DAY

ORDDAY

Chicago O'Hare Intl

Thu 12/4

5:50 pm-8:09 pm

Nonstop1h 19m

Dayton

Thu 12/11

7:15 am-7:45 am

Nonstop1h 30m

$179

ChicagoDayton

ORD - DAY

ORDDAY

Chicago O'Hare Intl

Sat 12/6

8:50 pm-11:09 pm

Nonstop1h 19m

Dayton

Mon 12/8

12:51 pm-1:18 pm

Nonstop1h 27m

$179

ChicagoDayton

ORD - DAY

ORDDAY

Chicago O'Hare Intl

Thu 12/11

2:30 pm-4:51 pm

Nonstop1h 21m

Dayton

Thu 12/18

2:00 pm-2:38 pm

Nonstop1h 38m

$179

ChicagoDayton

ORD - DAY

ORDDAY

Chicago O'Hare Intl

Sat 12/6

9:17 pm-11:30 pm

Nonstop1h 13m

Dayton

Sun 12/7

7:15 am-7:45 am

Nonstop1h 30m

$179

ChicagoDayton

ORD - DAY

ORDDAY

Chicago O'Hare Intl

Fri 12/5

8:45 am-11:08 am

Nonstop1h 23m

Dayton

Sun 12/7

9:20 am-9:49 am

Nonstop1h 29m

$179

ChicagoDayton

ORD - DAY

ORDDAY

Chicago O'Hare Intl

Fri 12/5

5:50 pm-8:09 pm

Nonstop1h 19m

Dayton

Sat 12/6

9:20 am-9:49 am

Nonstop1h 29m

$179

ChicagoDayton

ORD - DAY

ORDDAY

Chicago O'Hare Intl

Wed 11/26

6:02 pm-8:15 pm

Nonstop1h 13m

Dayton

Sat 11/29

6:55 am-7:20 am

Nonstop1h 25m

$209

ChicagoDayton

ORD - DAY

ORDDAY

Chicago O'Hare Intl

Thu 11/27

2:46 pm-5:04 pm

Nonstop1h 18m

Dayton

Sat 11/29

6:55 am-7:20 am

Nonstop1h 25m

$209

ChicagoDayton

ORD - DAY

ORDDAY

Chicago O'Hare Intl

Fri 12/5

3:30 pm-5:50 pm

Nonstop1h 20m

Dayton

Sat 12/6

1:47 pm-5:58 pm

1 stop5h 11m

$219

ChicagoDayton

ORD - DAY

ORDDAY

Chicago O'Hare Intl

Thu 12/11

11:51 am-2:09 pm

Nonstop1h 18m

Dayton

Thu 12/18

6:01 am-12:07 pm

1 stop7h 06m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Dayton

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

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

Currently, August is the cheapest month in which you can book a flight from Illinois to Dayton (average of $81). Flying from Illinois to Dayton in January is currently the most expensive (average of $228). 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 IL to DAY?

Find hourly flight availability from Illinois to Dayton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

One of the essential ways to save on airfare from Illinois to Dayton is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 53% on airfare.

Weekly flight availability from Illinois to Dayton

Explore weekly flight availability from Illinois to Dayton. 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 November 13, 2025.

The most flights from USIL to DAY are scheduled on a Monday (31 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 on average).

Related info for your journey

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

    Dayton (DAY), located 10.0 mi from the city center, is the airport you fly into when you book flights from Illinois to Dayton.

  • How long is the flight from Illinois to Dayton?

    A quick flight from Illinois to Dayton can take about 1h 19m. United Airlines provides one of the quickest options available for as low as $179. There are 240 mi between Illinois and Dayton. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from Illinois to Dayton are United Airlines ($204), American Airlines ($342), and Delta ($389).

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

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

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

    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 Illinois to Dayton on time: Republic Airways (100%), Lufthansa (82%), ANA (82%).

  • What are the cheapest flights from Illinois to Dayton?

    The cheapest flight price from Illinois to Dayton is $179. On average you can expect to pay $290. The most popular route, (Chicago O'Hare Intl - Dayton), can usually be booked for $179.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Illinois to Dayton (average of $81). Flying from Illinois to Dayton in January is currently the most expensive (average of $228). 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 Dayton?

Book flights to Dayton if you plan to visit one of these locations
Huber Heights
Springfield
Troy
Xenia
Miamisburg

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Top 2 airlines flying from Illinois to Dayton

Discover the top 2 airlines that operate flights from Illinois to Dayton. 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$302FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$209Average$309FlexibilityNo cancel feeOn-time69%

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