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$134+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DAY
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. 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 2/269:25 pm
ORD
-
DAY
Nonstop1h 18m
United Airlines
Sat 2/285:49 pm
DAY
-
ORD
Nonstop1h 41m
United Airlines
Deal found 1/26$179
This American Airlines deal was found by Cheapflights users on 1/28. 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 2/192:44 pm
ORD
-
DAY
Nonstop1h 21m
American Airlines
Mon 2/234:17 pm
DAY
-
ORD
Nonstop1h 27m
American Airlines
Deal found 1/28$180
This United Airlines deal was found by Cheapflights users on 1/27. 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 3/69:25 pm
ORD
-
DAY
Nonstop1h 18m
United Airlines
Sun 3/87:24 am
DAY
-
ORD
Nonstop1h 36m
United Airlines
Deal found 1/27$191
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/209:25 pm
ORD
-
DAY
Nonstop1h 18m
United Airlines
Sun 2/229:00 am
DAY
-
ORD
Nonstop1h 36m
United Airlines
Deal found 1/28$201
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1210:56 am
ORD
-
DAY
Nonstop1h 29m
United Airlines
Sat 2/142:10 pm
DAY
-
ORD
Nonstop1h 36m
United Airlines
Deal found 1/28$209
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/269:55 am
ORD
-
DAY
Nonstop1h 16m
American Airlines
Sun 3/15:47 am
DAY
-
ORD
1 stop5h 25m
American Airlines
Deal found 1/27$219
This American Airlines deal was found by Cheapflights users on 1/26. 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 2/276:41 pm
ORD
-
DAY
Nonstop1h 19m
American Airlines
Sat 2/288:32 am
DAY
-
ORD
Nonstop1h 38m
American Airlines
Deal found 1/26$223
This United Airlines deal was found by Cheapflights users on 1/27. 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 3/137:35 pm
ORD
-
DAY
Nonstop1h 28m
United Airlines
Sun 3/222:07 pm
DAY
-
ORD
Nonstop1h 36m
United Airlines
Deal found 1/27$229
This American Airlines deal was found by Cheapflights users on 1/28. 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 2/122:44 pm
ORD
-
DAY
Nonstop1h 21m
American Airlines
Sat 2/145:47 am
DAY
-
ORD
1 stop5h 25m
American Airlines
Deal found 1/28$234
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:30 am
MLI
-
DAY
1 stop3h 27m
United Airlines
Wed 4/159:00 am
DAY
-
MLI
1 stop5h 49m
United Airlines
Deal found 1/28$249
This Delta deal was found by Cheapflights users on 1/27. 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 2/116:00 am
STL
-
DAY
1 stop3h 50m
Delta
Sun 2/156:00 am
DAY
-
STL
1 stop6h 02m
Delta
Deal found 1/27$259
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:30 am
STL
-
DAY
1 stop4h 52m
United Airlines
Sat 2/285:49 pm
DAY
-
STL
1 stop4h 16m
United Airlines
Deal found 1/28$309

Find flight deals from Illinois to Dayton

Keep the following information in mind while searching for Illinois to Dayton flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$179
(United Airlines)

One-way from

$134
(American Airlines)

Popular in

January

Cheapest in

September

Average price

$407

Good round-trip deal

$234 or less

Good one-way deal

$163 or less
Provider with most accurate pricing for Chicago (CHI)-Dayton flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Dayton flights.
Search Deals
From Illinois to Dayton
Search Deals
One-way flight from Illinois to Dayton
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Dayton.
Search Deals
Price to beat on a one-way flight from Illinois to Dayton.
Search Deals

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 January 29, 2026.
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 2/26

9:25 pm-11:43 pm

Nonstop1h 18m

Dayton

Sat 2/28

5:49 pm-6:30 pm

Nonstop1h 41m

$179

ChicagoDayton

ORD - DAY

ORDDAY

Chicago O'Hare Intl

Thu 2/26

9:55 am-12:11 pm

Nonstop1h 16m

Dayton

Sun 3/1

12:41 pm-1:07 pm

Nonstop1h 26m

$179

ChicagoDayton

ORD - DAY

ORDDAY

Chicago O'Hare Intl

Fri 3/13

9:25 pm-11:43 pm

Nonstop1h 18m

Dayton

Sat 3/21

6:00 pm-6:41 pm

Nonstop1h 41m

$179

ChicagoDayton

ORD - DAY

ORDDAY

Chicago O'Hare Intl

Fri 2/27

7:46 pm-10:14 pm

Nonstop1h 28m

Dayton

Sat 2/28

5:49 pm-6:30 pm

Nonstop1h 41m

$179

ChicagoDayton

ORD - DAY

ORDDAY

Chicago O'Hare Intl

Sat 3/14

9:55 am-12:11 pm

Nonstop1h 16m

Dayton

Sat 3/21

5:35 pm-6:08 pm

Nonstop1h 33m

$180

ChicagoDayton

ORD - DAY

ORDDAY

Chicago O'Hare Intl

Thu 2/12

10:56 am-1:25 pm

Nonstop1h 29m

Dayton

Sat 2/14

2:10 pm-2:46 pm

Nonstop1h 36m

$209

ChicagoDayton

ORD - DAY

ORDDAY

Chicago O'Hare Intl

Wed 2/25

1:26 pm-3:41 pm

Nonstop1h 15m

Dayton

Wed 3/4

5:47 am-10:12 am

1 stop5h 25m

$219

ChicagoDayton

ORD - DAY

ORDDAY

Chicago O'Hare Intl

Thu 4/16

9:40 am-11:59 am

Nonstop1h 19m

Dayton

Sun 4/19

6:00 am-10:40 am

1 stop5h 40m

$219

ChicagoDayton

ORD - DAY

ORDDAY

Chicago O'Hare Intl

Thu 2/12

2:44 pm-5:05 pm

Nonstop1h 21m

Dayton

Sat 2/14

1:49 pm-5:58 pm

1 stop5h 09m

$234

ChicagoDayton

ORD - DAY

ORDDAY

Chicago O'Hare Intl

Sat 3/21

7:35 pm-10:03 pm

Nonstop1h 28m

Dayton

Wed 3/25

9:14 am-9:50 am

Nonstop1h 36m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 56 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 December is currently the most expensive (average of $209). 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 January 29, 2026.

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 9% 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 January 29, 2026.

The most flights from USIL to DAY are scheduled on a Thursday (25 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (15 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 16m. 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 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 Moline Quad-City - 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: Envoy Air (73%), Air New Zealand (67%), British Airways (67%).

  • What are the cheapest flights from Illinois to Dayton?

    The cheapest flight price from Illinois to Dayton is $163. On average you can expect to pay $246. 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 December is currently the most expensive (average of $209). 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
Greenville
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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$280FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$199Average$304FlexibilityNo cancel feeOn-time69%

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