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Cheap flights from Dayton to Illinois from $124

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 9/12. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Dayton to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:00 am - 9:32 am
DAY
-
ORD
1h 32mnonstop
United Airlines Logo
5:55 pm - 8:24 pm
ORD
-
DAY
1h 29mnonstop
$247United Airlines
Thu, Sep 10 - Thu, Sep 10
United Airlines Logo
9:00 am - 9:37 am
DAY
-
ORD
1h 37mnonstop
United Airlines Logo
9:30 pm - 11:58 pm
ORD
-
DAY
1h 28mnonstop
$247United Airlines
Wed, Oct 14 - Sat, Oct 17
American Airlines Logo
5:34 am - 5:59 am
DAY
-
ORD
1h 25mnonstop
American Airlines Logo
4:15 pm - 6:39 pm
ORD
-
DAY
1h 24mnonstop
$247American Airlines
Thu, Sep 10 - Thu, Sep 10
American Airlines Logo
6:00 am - 6:29 am
DAY
-
ORD
1h 29mnonstop
American Airlines Logo
9:40 am - 12:05 pm
ORD
-
DAY
1h 25mnonstop
$247American Airlines
Wed, Dec 23 - Wed, Jan 6
United Airlines Logo
7:15 am - 7:53 am
DAY
-
ORD
1h 38mnonstop
United Airlines Logo
4:00 pm - 6:29 pm
ORD
-
DAY
1h 29mnonstop
$247United Airlines
Thu, Sep 10 - Thu, Sep 10
American Airlines Logo
8:31 am - 9:06 am
DAY
-
ORD
1h 35mnonstop
American Airlines Logo
8:20 pm - 10:46 pm
ORD
-
DAY
1h 26mnonstop
$247American Airlines
Sat, Sep 5 - Sun, Sep 6
United Airlines Logo
2:23 pm - 2:55 pm
DAY
-
ORD
1h 32mnonstop
United Airlines Logo
8:40 am - 10:58 am
ORD
-
DAY
1h 18mnonstop
$247United Airlines
Sat, Sep 5 - Sun, Sep 6
Delta Logo
6:00 am - 9:00 am
DAY
-
STL
4h 00m
1 stop
Delta Logo
7:05 am - 2:41 pm
STL
-
DAY
6h 36m
1 stop
$281Delta
Tue, Sep 15 - Tue, Sep 22
Multiple Airlines Logo
8:54 pm - 6:29 pm
DAY
-
ORD
22h 35m
2 stops
Multiple Airlines Logo
7:50 am - 8:14 pm
ORD
-
DAY
11h 24m
1 stop
$294Multiple Airlines
Fri, Oct 30 - Mon, Nov 2
Delta Logo
11:24 am - 3:54 pm
DAY
-
STL
5h 30m
1 stop
Delta Logo
7:00 am - 2:41 pm
STL
-
DAY
6h 41m
1 stop
$299Delta
Fri, Sep 18 - Sun, Sep 20

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United Airlines flights from Dayton to Illinois

Our best United Airlines deals on Dayton to Illinois flight tickets
United Airlines
Sep 10
DAY9:00 amDayton
1h 32m
ORD9:32 amChicago O'Hare Intl
Sep 10
ORD5:55 pmChicago O'Hare Intl
1h 29m
DAY8:24 pmDayton
$247
United Airlines
Oct 9
DAY9:00 amDayton
1h 37m
ORD9:37 amChicago O'Hare Intl
Oct 11
ORD9:30 pmChicago O'Hare Intl
1h 28m
DAY11:58 pmDayton
$266
United Airlines
Oct 8
DAY11:32 amDayton
1h 28m
ORD12:00 pmChicago O'Hare Intl
Oct 11
ORD9:30 pmChicago O'Hare Intl
1h 28m
DAY11:58 pmDayton
$271

American Airlines flights from Dayton to Illinois

Our best American Airlines deals on Dayton to Illinois flight tickets
American Airlines
Sep 10
DAY7:09 pmDayton
1h 53m
ORD8:02 pmChicago O'Hare Intl
Sep 13
ORD9:25 amChicago O'Hare Intl
1h 24m
DAY11:49 amDayton
$248
American Airlines
Aug 28
DAY5:46 pmDayton
1h 40m
ORD6:26 pmChicago O'Hare Intl
Aug 30
ORD8:20 pmChicago O'Hare Intl
1h 26m
DAY10:46 pmDayton
$249
American Airlines
Sep 5
DAY8:31 amDayton
1h 35m
ORD9:06 amChicago O'Hare Intl
Sep 6
ORD8:20 pmChicago O'Hare Intl
1h 26m
DAY10:46 pmDayton
$250

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 August 2, 2026.
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

Cheapest round-trip

DaytonChicago

DAY - ORD

DAYORD

Dayton

Thu 9/10

9:00 am-9:32 am

Nonstop1h 32m

Chicago O'Hare Intl

Thu 9/10

5:55 pm-8:24 pm

Nonstop1h 29m

$247

DaytonChicago

DAY - ORD

DAYORD

Dayton

Wed 10/14

9:00 am-9:37 am

Nonstop1h 37m

Chicago O'Hare Intl

Sat 10/17

9:30 pm-11:58 pm

Nonstop1h 28m

$247
Quickest round-trip

DaytonChicago

DAY - ORD

DAYORD

Dayton

Thu 9/10

5:34 am-5:59 am

Nonstop1h 25m

Chicago O'Hare Intl

Thu 9/10

4:15 pm-6:39 pm

Nonstop1h 24m

$247

DaytonChicago

DAY - ORD

DAYORD

Dayton

Wed 12/23

6:00 am-6:29 am

Nonstop1h 29m

Chicago O'Hare Intl

Wed 1/6

9:40 am-12:05 pm

Nonstop1h 25m

$247

DaytonChicago

DAY - ORD

DAYORD

Dayton

Thu 9/10

7:15 am-7:53 am

Nonstop1h 38m

Chicago O'Hare Intl

Thu 9/10

4:00 pm-6:29 pm

Nonstop1h 29m

$247

DaytonChicago

DAY - ORD

DAYORD

Dayton

Sat 9/5

8:31 am-9:06 am

Nonstop1h 35m

Chicago O'Hare Intl

Sun 9/6

8:20 pm-10:46 pm

Nonstop1h 26m

$247

DaytonChicago

DAY - ORD

DAYORD

Dayton

Sat 9/5

2:23 pm-2:55 pm

Nonstop1h 32m

Chicago O'Hare Intl

Sun 9/6

8:40 am-10:58 am

Nonstop1h 18m

$247

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Tue 9/15

6:00 am-9:00 am

1 stop4h 00m

Lambert-St Louis

Tue 9/22

7:05 am-2:41 pm

1 stop6h 36m

$281

DaytonChicago

DAY - ORD

DAYORD

Dayton

Fri 10/30

8:54 pm-6:29 pm

2 stops22h 35m

Chicago O'Hare Intl

Mon 11/2

7:50 am-8:14 pm

1 stop11h 24m

$294

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Fri 9/18

11:24 am-3:54 pm

1 stop5h 30m

Lambert-St Louis

Sun 9/20

7:00 am-2:41 pm

1 stop6h 41m

$299

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 December. Flight prices, which tend to average around $227, 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 December, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $243.

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

The cheapest day to depart from Dayton to Illinois is on a Friday when prices can be found for as low as $416. Flights from Dayton to Illinois on a Monday will generally be more expensive and average around $654. 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 $432. Flights at noon are often more expensive with an average ticket price of $733.

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 from Dayton 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 $306 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 $168 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

$339

Fastest flight time

1h 27m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Dayton in the past 72 hours is $339. The best round-trip flight deal from Dayton to Illinois found on momondo in the last 72 hours is $393.
The fastest flight from Dayton to Illinois takes 1h 27m
Direct flights go from Dayton to Illinois every day.
There are 98 airports in Illinois. From Dayton there are direct flights to Chicago O'Hare Intl (ORD).
Search flight deals

Frequently asked questions about flying from Dayton to Illinois

  • 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
7.1
11,846 reviews
Search American Airlines flights
United AirlinesPriceFrom $179Free CancellationRating
7.4
10,061 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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