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$141+ 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DAY
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$179
(American Airlines)

One-way from

$141
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$378

Good round-trip deal

$239 or less

Good one-way deal

$191 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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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This American Airlines deal was found by Cheapflights users on 5/1. 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 5/242:47 pmORD - DAY
Nonstop1h 13mAmerican Airlines
Mon 5/265:26 pmDAY - ORD
Nonstop1h 20mAmerican Airlines
Deal found 5/1$179
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/148:45 amORD - DAY
Nonstop1h 20mUnited Airlines
Sat 5/175:44 pmDAY - ORD
Nonstop1h 26mUnited Airlines
Deal found 4/30$189
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 5/286:00 amSTL - DAY
1 stop5h 15mAmerican Airlines
Fri 5/308:38 amDAY - STL
1 stop5h 14mAmerican Airlines
Deal found 4/30$199
This Delta deal was found by Cheapflights users on 5/1. 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 7/145:23 pmSTL - DAY
1 stop5h 50mDelta
Tue 7/227:19 pmDAY - STL
1 stop5h 34mDelta
Deal found 5/1$229
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/285:27 pmSTL - DAY
1 stop5h 21mUnited Airlines
Wed 6/411:48 amDAY - STL
1 stop4h 42mUnited Airlines
Deal found 4/30$274
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/19:55 amORD - DAY
2 stops33h 49mMultiple Airlines
Sun 6/159:02 pmDAY - ORD
2 stops19h 31mMultiple Airlines
Deal found 4/30$323
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/165:25 pmMLI - DAY
1 stop5h 21mUnited Airlines
Tue 5/207:15 amDAY - MLI
1 stop3h 56mUnited Airlines
Deal found 5/1$344
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 5/152:51 pmEVV - DAY
1 stop29h 22mAmerican Airlines
Mon 5/195:28 pmDAY - EVV
1 stop29h 40mAmerican Airlines
Deal found 4/30$439
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 5/304:30 pmCMI - DAY
1 stop3h 43mAmerican Airlines
Sun 6/15:28 pmDAY - CMI
1 stop5h 01mAmerican Airlines
Deal found 4/30$468
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/104:15 pmMDW - DAY
1 stop6h 18mDelta
Sun 5/1111:08 amDAY - MDW
1 stop7h 35mDelta
Deal found 4/30$1,070

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 May 1, 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

Sat 5/24

2:47 pm-5:00 pm

Nonstop1h 13m

Dayton

Mon 5/26

5:26 pm-5:46 pm

Nonstop1h 20m

$179

ChicagoDayton

ORD - DAY

ORDDAY

Chicago O'Hare Intl

Wed 5/14

8:45 am-11:05 am

Nonstop1h 20m

Dayton

Sat 5/17

5:44 pm-6:10 pm

Nonstop1h 26m

$189

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Wed 5/28

6:00 am-12:15 pm

1 stop5h 15m

Dayton

Fri 5/30

8:38 am-12:52 pm

1 stop5h 14m

$199

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Mon 7/14

5:23 pm-12:13 am

1 stop5h 50m

Dayton

Tue 7/22

7:19 pm-11:53 pm

1 stop5h 34m

$229

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Wed 5/28

5:27 pm-11:48 pm

1 stop5h 21m

Dayton

Wed 6/4

11:48 am-3:30 pm

1 stop4h 42m

$274

ChicagoDayton

ORD - DAY

ORDDAY

Chicago O'Hare Intl

Sun 6/1

9:55 am-8:44 pm

2 stops33h 49m

Dayton

Sun 6/15

9:02 pm-3:33 pm

2 stops19h 31m

$323

MolineDayton

MLI - DAY

MLIDAY

Moline Quad-City

Fri 5/16

5:25 pm-11:46 pm

1 stop5h 21m

Dayton

Tue 5/20

7:15 am-10:11 am

1 stop3h 56m

$344

EvansvilleDayton

EVV - DAY

EVVDAY

Evansville Dress Regional

Thu 5/15

2:51 pm-9:13 pm

1 stop29h 22m

Dayton

Mon 5/19

5:28 pm-10:08 pm

1 stop29h 40m

$439

ChampaignDayton

CMI - DAY

CMIDAY

Champaign University-Willard

Fri 5/30

4:30 pm-9:13 pm

1 stop3h 43m

Dayton

Sun 6/1

5:28 pm-9:29 pm

1 stop5h 01m

$468

ChicagoDayton

MDW - DAY

MDWDAY

Chicago Midway

Sat 5/24

4:15 pm-11:33 pm

1 stop6h 18m

Dayton

Mon 5/26

11:08 am-5:36 pm

1 stop7h 28m

$1,145

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 18 results
1
2

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 $325). Flying from Illinois to Dayton in June is currently the most expensive (average of $425). 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 May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Dayton as you normally would.

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 May 1, 2025.

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 (9 on average).

Rainfall in Dayton by month

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

In terms of precipitation, rainfall in Dayton ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit Dayton when rainfall is around 2.2 in.

Temperature in Dayton by month

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

If weather is an important factor for your trip to Dayton, 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 28.4 F).

Reviews of airlines servicing Dayton

Get insights into the airlines that provide service to Dayton. 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 Dayton. Reviews last updated May 1, 2025.
To help decide which airline to fly from Illinois to Dayton, see what other customers have to say about Delta, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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
7,934 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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 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.

  • 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 American Airlines ($170), Delta ($175), and United Airlines ($204).

  • 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: SkyWest Airlines (80%), Lufthansa (77%), United Airlines (76%).

  • What are the cheapest flights from Illinois to Dayton?

    The cheapest flight price from Illinois to Dayton is $119. On average you can expect to pay $264. 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 $325). Flying from Illinois to Dayton in June is currently the most expensive (average of $425). 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 Illinois?

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

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$184Average$318FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$229Average$374FlexibilityNo cancel feeOn-time69%

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