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Cheap flights from Dayton to Illinois from $165

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dayton to Illinois departing on 12/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Dayton to Illinois

Cheap round-trip flights

American Airlines Logo
12:42 pm - 1:08 pmDAY-ORD
1h 26mnonstop
American Airlines Logo
7:05 pm - 9:25 pmORD-DAY
1h 20mnonstop
$179American Airlines
Find Deal
Fri, Oct 3 - Sat, Oct 4
United Airlines Logo
7:21 am - 7:50 amDAY-ORD
1h 29mnonstop
United Airlines Logo
8:45 am - 11:07 amORD-DAY
1h 22mnonstop
$184United Airlines
Find Deal
Fri, Sep 26 - Sun, Sep 28
United Airlines Logo
5:55 pm - 6:24 pmDAY-ORD
1h 29mnonstop
United Airlines Logo
5:50 pm - 8:09 pmORD-DAY
1h 19mnonstop
$186United Airlines
Find Deal
Mon, Oct 6 - Mon, Oct 13
American Airlines Logo
6:52 am - 7:23 amDAY-ORD
1h 31mnonstop
American Airlines Logo
9:03 am - 11:28 amORD-DAY
1h 25mnonstop
$189American Airlines
Find Deal
Sat, Sep 20 - Mon, Sep 22
United Airlines Logo
1:38 pm - 2:07 pmDAY-ORD
1h 29mnonstop
United Airlines Logo
5:50 pm - 8:09 pmORD-DAY
1h 19mnonstop
$194United Airlines
Find Deal
Thu, Oct 2 - Sun, Oct 5
United Airlines Logo
7:37 pm - 8:06 pmDAY-ORD
1h 29mnonstop
United Airlines Logo
5:50 pm - 8:09 pmORD-DAY
1h 19mnonstop
$199United Airlines
Find Deal
Thu, Sep 18 - Thu, Sep 25
American Airlines Logo
5:01 pm - 5:29 pmDAY-ORD
1h 28mnonstop
American Airlines Logo
8:26 pm - 10:55 pmORD-DAY
1h 29mnonstop
$201American Airlines
Find Deal
Fri, Sep 19 - Sun, Sep 21
American Airlines Logo
8:17 am - 8:43 amDAY-ORD
1h 26mnonstop
American Airlines Logo
5:00 am - 11:29 amORD-DAY
5h 29m1 stop
$223American Airlines
Find Deal
Fri, Oct 3 - Sun, Oct 5
Delta Logo
6:40 pm - 11:40 pmDAY-STL
6h 00m1 stop
Delta Logo
10:00 am - 5:51 pmSTL-DAY
6h 51m1 stop
$229Delta
Find Deal
Wed, Feb 18 - Sat, Feb 21
Delta Logo
1:16 pm - 7:05 pmDAY-STL
6h 49m1 stop
Delta Logo
3:36 pm - 11:07 pmSTL-DAY
6h 31m1 stop
$234Delta
Find Deal
Sat, Sep 27 - Mon, Sep 29

American Airlines flights from Dayton to Illinois

Our best American Airlines deals on Dayton to Illinois flight tickets
American Airlines
Oct 3
DAY12:42 pmDayton
1h 26m
ORD1:08 pmChicago O'Hare Intl
Oct 4
ORD7:05 pmChicago O'Hare Intl
1h 20m
DAY9:25 pmDayton
$179
Find similar
American Airlines
Sep 20
DAY6:52 amDayton
1h 31m
ORD7:23 amChicago O'Hare Intl
Sep 22
ORD9:03 amChicago O'Hare Intl
1h 25m
DAY11:28 amDayton
$189
Find similar
American Airlines
Sep 19
DAY5:01 pmDayton
1h 28m
ORD5:29 pmChicago O'Hare Intl
Sep 21
ORD8:26 pmChicago O'Hare Intl
1h 29m
DAY10:55 pmDayton
$201
Find similar

United Airlines flights from Dayton to Illinois

Our best United Airlines deals on Dayton to Illinois flight tickets
United Airlines
Sep 26
DAY7:21 amDayton
1h 29m
ORD7:50 amChicago O'Hare Intl
Sep 28
ORD8:45 amChicago O'Hare Intl
1h 22m
DAY11:07 amDayton
$184
Find similar
United Airlines
Oct 6
DAY5:55 pmDayton
1h 29m
ORD6:24 pmChicago O'Hare Intl
Oct 13
ORD5:50 pmChicago O'Hare Intl
1h 19m
DAY8:09 pmDayton
$186
Find similar
United Airlines
Oct 2
DAY1:38 pmDayton
1h 29m
ORD2:07 pmChicago O'Hare Intl
Oct 5
ORD5:50 pmChicago O'Hare Intl
1h 19m
DAY8:09 pmDayton
$194
Find similar

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated September 8, 2025.
Use the filters below to find and compare flights from Dayton to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DaytonChicago

DAY - ORD

DAYORD

Dayton

Fri 10/3

12:42 pm-1:08 pm

Nonstop1h 26m

Chicago O'Hare Intl

Sat 10/4

7:05 pm-9:25 pm

Nonstop1h 20m

$179

DaytonChicago

DAY - ORD

DAYORD

Dayton

Fri 9/26

7:21 am-7:50 am

Nonstop1h 29m

Chicago O'Hare Intl

Sun 9/28

8:45 am-11:07 am

Nonstop1h 22m

$184

DaytonChicago

DAY - ORD

DAYORD

Dayton

Mon 10/6

5:55 pm-6:24 pm

Nonstop1h 29m

Chicago O'Hare Intl

Mon 10/13

5:50 pm-8:09 pm

Nonstop1h 19m

$186

DaytonChicago

DAY - ORD

DAYORD

Dayton

Sat 9/20

6:52 am-7:23 am

Nonstop1h 31m

Chicago O'Hare Intl

Mon 9/22

9:03 am-11:28 am

Nonstop1h 25m

$189

DaytonChicago

DAY - ORD

DAYORD

Dayton

Thu 10/2

1:38 pm-2:07 pm

Nonstop1h 29m

Chicago O'Hare Intl

Sun 10/5

5:50 pm-8:09 pm

Nonstop1h 19m

$194

DaytonChicago

DAY - ORD

DAYORD

Dayton

Thu 9/18

7:37 pm-8:06 pm

Nonstop1h 29m

Chicago O'Hare Intl

Thu 9/25

5:50 pm-8:09 pm

Nonstop1h 19m

$199

DaytonChicago

DAY - ORD

DAYORD

Dayton

Fri 9/19

5:01 pm-5:29 pm

Nonstop1h 28m

Chicago O'Hare Intl

Sun 9/21

8:26 pm-10:55 pm

Nonstop1h 29m

$201

DaytonChicago

DAY - ORD

DAYORD

Dayton

Fri 10/3

8:17 am-8:43 am

Nonstop1h 26m

Chicago O'Hare Intl

Sun 10/5

5:00 am-11:29 am

1 stop5h 29m

$223

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Wed 2/18

6:40 pm-11:40 pm

1 stop6h 00m

Lambert-St Louis

Sat 2/21

10:00 am-5:51 pm

1 stop6h 51m

$229

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Sat 9/27

1:16 pm-7:05 pm

1 stop6h 49m

Lambert-St Louis

Mon 9/29

3:36 pm-11:07 pm

1 stop6h 31m

$234

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Dayton to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Dayton is in January. Flight prices, which tend to average around $249, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of January, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $249.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Dayton to Illinois is on a Thursday when prices can be found for as low as $421. Flights from Dayton to Illinois on a Monday will generally be more expensive and average around $595. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Dayton to Illinois during this time can be as low as $451. Flights at noon are often more expensive with an average ticket price of $552.

What is the cheapest Dayton to Illinois flight route?

Fly from Dayton to Chicago O'Hare Intl for the best Dayton - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Dayton when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $297 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Dayton for as low as $179 on momondo.

What cabin class options are available on Dayton to Illinois flights?

There are 4 cabin classes available to choose from on Dayton to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Dayton to Illinois flights?

No. A direct flight is the cheapest option for a flight between Dayton to Illinois.

Cheap Dayton to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dayton to Illinois

Best Price Found

$227

Fastest flight time

1h 16m

Direct flights

Every day

Airports in Illinois

1 airport
The best one-way flight to Illinois from Dayton in the past 72 hours is $227. The best round-trip flight deal from Dayton to Illinois found on momondo in the last 72 hours is $295.
The fastest flight from Dayton to Illinois takes 1h 16m
Direct flights go from Dayton to Illinois every day.
There is 1 airport near Illinois: Chicago O'Hare Intl (ORD)
Search flight deals

  • When did momondo last update prices for flights from Dayton Airport to Illinois?

    Prices for flights from Dayton Airport to Illinois are refreshed on a daily basis.

  • How many operators does momondo search for flights from Dayton Airport to Illinois?

  • How old do you have to be to fly from Dayton Airport to Illinois?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dayton Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Dayton to Illinois?

Best airlines flying from Dayton to Illinois

Compare and see reviews for airlines that fly from Dayton to Illinois with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $179Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $183Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Dayton to Illinois?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Dayton to Illinois. momondo saves you time and could save you money on your trip.

Can I find flights from Dayton to Illinois with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Dayton to Illinois flights to just show those with flexible booking policies.

How can momondo help me find flights from Dayton to Illinois?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Dayton.

I’m not ready to book a flight from Dayton to Illinois right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Dayton to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.

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