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Cheap flights from Dayton to Illinois from $135

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 5/8. 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

Enter your travel dates to find the best prices.
United Airlines Logo
6:15 pm - 6:51 pm
DAY
-
ORD
1h 36mnonstop
United Airlines Logo
8:00 pm - 10:26 pm
ORD
-
DAY
1h 26mnonstop
$234United Airlines
Fri, Jul 3 - Fri, Jul 3
United Airlines Logo
8:13 pm - 8:50 pm
DAY
-
ORD
1h 37mnonstop
United Airlines Logo
4:30 pm - 6:54 pm
ORD
-
DAY
1h 24mnonstop
$239United Airlines
Fri, May 8 - Sun, May 10
American Airlines Logo
12:33 pm - 1:06 pm
DAY
-
ORD
1h 33mnonstop
American Airlines Logo
7:54 pm - 10:16 pm
ORD
-
DAY
1h 22mnonstop
$240American Airlines
Thu, May 7 - Sun, May 10
American Airlines Logo
6:57 pm - 11:54 pm
DAY
-
ORD
5h 57m
1 stop
American Airlines Logo
7:54 pm - 10:16 pm
ORD
-
DAY
1h 22mnonstop
$249American Airlines
Fri, May 8 - Sun, May 10
Delta Logo
6:00 am - 9:44 am
DAY
-
STL
4h 44m
1 stop
Delta Logo
4:19 pm - 11:54 pm
STL
-
DAY
6h 35m
1 stop
$271Delta
Wed, Jun 3 - Wed, Jun 10
Delta Logo
6:44 pm - 11:35 pm
DAY
-
STL
5h 51m
1 stop
Delta Logo
7:05 am - 2:29 pm
STL
-
DAY
6h 24m
1 stop
$290Delta
Wed, May 6 - Wed, May 13
Multiple Airlines Logo
9:12 pm - 7:23 pm
DAY
-
STL
23h 11m
2 stops
Multiple Airlines Logo
4:17 pm - 8:22 pm
STL
-
DAY
27h 05m
1 stop
$358Multiple Airlines
Sun, Jun 7 - Sat, Jun 13
Multiple Airlines Logo
9:12 pm - 10:53 am
DAY
-
STL
14h 41m
1 stop
Multiple Airlines Logo
5:06 pm - 8:22 pm
STL
-
DAY
50h 16m
2 stops
$379Multiple Airlines
Sun, Jun 7 - Fri, Jun 12
Allegiant Air Logo
10:19 am - 9:59 am
DAY
-
RFD
24h 40m
1 stop
Allegiant Air Logo
12:50 pm - 10:18 am
RFD
-
DAY
20h 28m
1 stop
$407Allegiant Air
Sun, May 17 - Tue, May 19
Allegiant Air Logo
9:31 pm - 7:13 pm
DAY
-
RFD
22h 42m
1 stop
Allegiant Air Logo
8:35 am - 3:38 pm
RFD
-
DAY
6h 03m
1 stop
$417Allegiant Air
Thu, May 21 - Mon, May 25

American Airlines flights from Dayton to Illinois

Our best American Airlines deals on Dayton to Illinois flight tickets
American Airlines
May 7
DAY12:33 pmDayton
1h 33m
ORD1:06 pmChicago O'Hare Intl
May 10
ORD7:54 pmChicago O'Hare Intl
1h 22m
DAY10:16 pmDayton
$240
American Airlines
May 8
DAY6:57 pmDayton
5h 57m
1 stop
ORD11:54 pmChicago O'Hare Intl
May 10
ORD7:54 pmChicago O'Hare Intl
1h 22m
DAY10:16 pmDayton
$249
American Airlines
May 29
DAY5:54 pmDayton
1h 36m
ORD6:30 pmChicago O'Hare Intl
Jun 5
ORD9:06 amChicago O'Hare Intl
1h 24m
DAY11:30 amDayton
$254

United Airlines flights from Dayton to Illinois

Our best United Airlines deals on Dayton to Illinois flight tickets
United Airlines
Jul 3
DAY6:15 pmDayton
1h 36m
ORD6:51 pmChicago O'Hare Intl
Jul 3
ORD8:00 pmChicago O'Hare Intl
1h 26m
DAY10:26 pmDayton
$234
United Airlines
May 8
DAY8:13 pmDayton
1h 37m
ORD8:50 pmChicago O'Hare Intl
May 10
ORD4:30 pmChicago O'Hare Intl
1h 24m
DAY6:54 pmDayton
$239
United Airlines
Apr 28
DAY6:00 pmDayton
1h 32m
ORD6:32 pmChicago O'Hare Intl
May 8
ORD9:35 pmChicago O'Hare Intl
1h 24m
DAY11:59 pmDayton
$254

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 April 17, 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

Fri 7/3

6:15 pm-6:51 pm

Nonstop1h 36m

Chicago O'Hare Intl

Fri 7/3

8:00 pm-10:26 pm

Nonstop1h 26m

$234

DaytonChicago

DAY - ORD

DAYORD

Dayton

Fri 5/8

8:13 pm-8:50 pm

Nonstop1h 37m

Chicago O'Hare Intl

Sun 5/10

4:30 pm-6:54 pm

Nonstop1h 24m

$239
Quickest round-trip

DaytonChicago

DAY - ORD

DAYORD

Dayton

Thu 5/7

12:33 pm-1:06 pm

Nonstop1h 33m

Chicago O'Hare Intl

Sun 5/10

7:54 pm-10:16 pm

Nonstop1h 22m

$240

DaytonChicago

DAY - ORD

DAYORD

Dayton

Fri 5/8

6:57 pm-11:54 pm

1 stop5h 57m

Chicago O'Hare Intl

Sun 5/10

7:54 pm-10:16 pm

Nonstop1h 22m

$249

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Wed 6/3

6:00 am-9:44 am

1 stop4h 44m

Lambert-St Louis

Wed 6/10

4:19 pm-11:54 pm

1 stop6h 35m

$271

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Wed 5/6

6:44 pm-11:35 pm

1 stop5h 51m

Lambert-St Louis

Wed 5/13

7:05 am-2:29 pm

1 stop6h 24m

$290

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Sun 6/7

9:12 pm-7:23 pm

2 stops23h 11m

Lambert-St Louis

Sat 6/13

4:17 pm-8:22 pm

1 stop27h 05m

$358

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Sun 6/7

9:12 pm-10:53 am

1 stop14h 41m

Lambert-St Louis

Fri 6/12

5:06 pm-8:22 pm

2 stops50h 16m

$379

DaytonChicago

DAY - RFD

DAYRFD

Dayton

Sun 5/17

10:19 am-9:59 am

1 stop24h 40m

Chicago Greater Rockford

Tue 5/19

12:50 pm-10:18 am

1 stop20h 28m

$407

DaytonChicago

DAY - RFD

DAYRFD

Dayton

Thu 5/21

9:31 pm-7:13 pm

1 stop22h 42m

Chicago Greater Rockford

Mon 5/25

8:35 am-3:38 pm

1 stop6h 03m

$417

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 $194, 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 $209.

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 $406. Flights from Dayton to Illinois on a Monday will generally be more expensive and average around $601. 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 $425. Flights at noon are often more expensive with an average ticket price of $629.

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 $282 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

$271

Fastest flight time

1h 24m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in Illinois

98 airports
The best one-way flight to Illinois from Dayton in the past 72 hours is $271. The best round-trip flight deal from Dayton to Illinois found on momondo in the last 72 hours is $354.
The fastest flight from Dayton to Illinois takes 1h 24m
Direct flights go from Dayton to Illinois on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights.
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
United AirlinesPriceFrom $179Free CancellationRating
7.4
9,602 reviews
Search United Airlines flights
American AirlinesPriceFrom $179Free CancellationRating
7.1
11,593 reviews
Search American 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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