What is the cheapest airline that flies from Dayton to Illinois?

Allegiant Air, American Airlines, and United Airlines are the most popular carriers operating from Dayton to Illinois

How many flights depart from Dayton to Illinois on average per day?

As of September 2026, 29 flights take off from Dayton and land in Illinois each day. The most common flight departure time for this route is 12:00PM, with 38% of daily flights taking off in the afternoon.

How many flights depart from Dayton to Illinois on average per week?

204 flights are operational weekly from Dayton to Illinois as of September 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

What airlines fly to Illinois?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Illinois from Dayton according to our data. United Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from Dayton Airport to Illinois is 2 as of September 2026.

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.

$128 Cheap Flights from Dayton to Illinois in 2026/27

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Find the cheapest flights from Dayton to Illinois

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:04 pm - 3:37 pmDAY Dayton-ORD Chicago O'Hare Intl

19h 33m1 stop Fort Lauderdale

8:00 am - 8:24 pmORD Chicago O'Hare Intl-DAY Dayton

11h 24m1 stop Fort Lauderdale

$202Multiple Airlines

Fri, Oct 30 - Mon, Nov 16

4:20 pm - 3:30 pmDAY Dayton-ORD Chicago O'Hare Intl

24h 10m1 stop Fort Lauderdale

8:00 am - 8:24 pmORD Chicago O'Hare Intl-DAY Dayton

11h 24m1 stop Fort Lauderdale

$257Multiple Airlines

Mon, Oct 19 - Fri, Oct 30

9:04 pm - 3:37 pmDAY Dayton-ORD Chicago O'Hare Intl

19h 33m1 stop Fort Lauderdale

7:28 pm - 11:48 amORD Chicago O'Hare Intl-DAY Dayton

39h 20m2 stops Atlanta Hartsfield-Jackson Raleigh-Durham

$260Multiple Airlines

Fri, Nov 6 - Wed, Nov 11

7:00 am - 7:37 amDAY Dayton-ORD Chicago O'Hare Intl

1h 37mnonstop

6:10 pm - 8:49 pmORD Chicago O'Hare Intl-DAY Dayton

1h 39mnonstop

$267United Airlines

Sat, Oct 24 - Tue, Oct 27

11:32 am - 12:00 pmDAY Dayton-ORD Chicago O'Hare Intl

1h 28mnonstop

9:30 pm - 11:59 pmORD Chicago O'Hare Intl-DAY Dayton

1h 29mnonstop

$268United Airlines

Thu, Oct 22 - Sat, Oct 24

11:22 am - 11:59 amDAY Dayton-ORD Chicago O'Hare Intl

1h 37mnonstop

3:30 pm - 6:00 pmORD Chicago O'Hare Intl-DAY Dayton

1h 30mnonstop

$268American Airlines

Sat, Oct 24 - Thu, Oct 29

6:30 pm - 7:08 pmDAY Dayton-ORD Chicago O'Hare Intl

1h 38mnonstop

10:00 pm - 12:26 amORD Chicago O'Hare Intl-DAY Dayton

1h 26mnonstop

$269American Airlines

Thu, Oct 15 - Mon, Oct 19

6:30 pm - 7:08 pmDAY Dayton-ORD Chicago O'Hare Intl

1h 38mnonstop

10:00 pm - 12:26 amORD Chicago O'Hare Intl-DAY Dayton

1h 26mnonstop

$269American Airlines

Fri, Oct 23 - Sun, Oct 25

9:04 pm - 12:51 pmDAY Dayton-ORD Chicago O'Hare Intl

16h 47m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson

8:00 am - 8:24 pmORD Chicago O'Hare Intl-DAY Dayton

11h 24m1 stop Fort Lauderdale

$276Multiple Airlines

Fri, Oct 30 - Mon, Nov 16

5:30 am - 5:59 amDAY Dayton-ORD Chicago O'Hare Intl

1h 29mnonstop

8:40 am - 10:58 amORD Chicago O'Hare Intl-DAY Dayton

1h 18mnonstop

$287United Airlines

Wed, Oct 28 - Tue, Nov 3

Cheap last minute flights

Enter your travel dates to find the best prices.

12:19 pm - 12:52 pmDAY Dayton-ORD Chicago O'Hare Intl

1h 33mnonstop

9:15 pm - 11:38 pmORD Chicago O'Hare Intl-DAY Dayton

1h 23mnonstop

$317American Airlines

Fri, Sep 18 - Wed, Sep 23

7:09 pm - 8:02 pmDAY Dayton-ORD Chicago O'Hare Intl

1h 53mnonstop

4:15 pm - 6:39 pmORD Chicago O'Hare Intl-DAY Dayton

1h 24mnonstop

$322American Airlines

Tue, Sep 22 - Thu, Oct 1

7:15 am - 7:53 amDAY Dayton-ORD Chicago O'Hare Intl

1h 38mnonstop

8:40 am - 10:57 amORD Chicago O'Hare Intl-DAY Dayton

1h 17mnonstop

$322United Airlines

Tue, Sep 22 - Thu, Oct 1

5:35 am - 6:00 amDAY Dayton-ORD Chicago O'Hare Intl

1h 25mnonstop

9:15 pm - 11:38 pmORD Chicago O'Hare Intl-DAY Dayton

1h 23mnonstop

$322American Airlines

Sat, Sep 19 - Fri, Sep 25

9:00 am - 9:32 amDAY Dayton-ORD Chicago O'Hare Intl

1h 32mnonstop

9:30 pm - 11:58 pmORD Chicago O'Hare Intl-DAY Dayton

1h 28mnonstop

$334United Airlines

Mon, Sep 21 - Mon, Sep 28

7:09 pm - 8:02 pmDAY Dayton-ORD Chicago O'Hare Intl

1h 53mnonstop

9:25 am - 11:49 amORD Chicago O'Hare Intl-DAY Dayton

1h 24mnonstop

$336American Airlines

Thu, Sep 17 - Tue, Sep 22

11:30 am - 11:55 amDAY Dayton-ORD Chicago O'Hare Intl

1h 25mnonstop

9:30 pm - 11:59 pmORD Chicago O'Hare Intl-DAY Dayton

1h 29mnonstop

$356United Airlines

Thu, Sep 17 - Sat, Sep 19

6:00 am - 9:00 amDAY Dayton-STL Lambert-St Louis

4h 00m1 stop Atlanta Hartsfield-Jackson

4:59 pm - 11:14 pmSTL Lambert-St Louis-DAY Dayton

5h 15m1 stop Atlanta Hartsfield-Jackson

$400Delta

Thu, Sep 17 - Tue, Sep 22

6:00 am - 9:00 amDAY Dayton-STL Lambert-St Louis

4h 00m1 stop Atlanta Hartsfield-Jackson

3:54 pm - 10:17 pmSTL Lambert-St Louis-DAY Dayton

5h 23m1 stop Atlanta Hartsfield-Jackson

$400Delta

Thu, Sep 17 - Sat, Sep 19

6:00 am - 9:00 amDAY Dayton-STL Lambert-St Louis

4h 00m1 stop Atlanta Hartsfield-Jackson

8:00 am - 10:17 pmSTL Lambert-St Louis-DAY Dayton

13h 17m2 stops New York LaGuardia Atlanta Hartsfield-Jackson

$653Delta

Thu, Sep 17 - Sat, Sep 19

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United Airlines flights from Dayton to Illinois

Our best United Airlines deals on Dayton to Illinois flight tickets

United Airlines

Oct 28

DAY5:30 amDayton

1h 29m

ORD5:59 amChicago O'Hare Intl

Nov 3

ORD8:40 amChicago O'Hare Intl

1h 18m

DAY10:58 amDayton

$287

United Airlines

Oct 31

DAY11:33 amDayton

1h 26m

ORD11:59 amChicago O'Hare Intl

Nov 1

ORD6:10 pmChicago O'Hare Intl

1h 39m

DAY8:49 pmDayton

$288

United Airlines

Sep 29

DAY11:32 amDayton

1h 28m

ORD12:00 pmChicago O'Hare Intl

Oct 4

ORD8:40 amChicago O'Hare Intl

1h 17m

DAY10:57 amDayton

$319

American Airlines flights from Dayton to Illinois

Our best American Airlines deals on Dayton to Illinois flight tickets

American Airlines

Oct 16

DAY6:30 pmDayton

1h 38m

ORD7:08 pmChicago O'Hare Intl

Oct 19

ORD10:00 pmChicago O'Hare Intl

1h 26m

DAY12:26 amDayton

$289

American Airlines

Sep 29

DAY7:09 pmDayton

1h 53m

ORD8:02 pmChicago O'Hare Intl

Oct 3

ORD9:15 pmChicago O'Hare Intl

1h 23m

DAY11:38 pmDayton

$304

American Airlines

Oct 21

DAY6:30 amDayton

5h 20m

1 stop

STL10:50 amLambert-St Louis

Oct 25

STL7:29 amLambert-St Louis

3h 36m

1 stop

DAY12:05 pmDayton

$310

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DaytonChicago

DAY Dayton - ORD Chicago O'Hare Intl

DAYORD

Dayton

Fri 10/30

9:04 pm-3:37 pm

1 stop19h 33m

Chicago O'Hare Intl

Mon 11/16

8:00 am-8:24 pm

1 stop11h 24m

$202

DaytonChicago

DAY Dayton - ORD Chicago O'Hare Intl

DAYORD

Dayton

Mon 10/19

4:20 pm-3:30 pm

1 stop24h 10m

Chicago O'Hare Intl

Fri 10/30

8:00 am-8:24 pm

1 stop11h 24m

$257

DaytonChicago

DAY Dayton - ORD Chicago O'Hare Intl

DAYORD

Dayton

Fri 11/6

9:04 pm-3:37 pm

1 stop19h 33m

Chicago O'Hare Intl

Wed 11/11

7:28 pm-11:48 am

2 stops39h 20m

$260

DaytonChicago

DAY Dayton - ORD Chicago O'Hare Intl

DAYORD

Dayton

Sat 10/24

7:00 am-7:37 am

Nonstop1h 37m

Chicago O'Hare Intl

Tue 10/27

6:10 pm-8:49 pm

Nonstop1h 39m

$267

DaytonChicago

DAY Dayton - ORD Chicago O'Hare Intl

DAYORD

Dayton

Thu 10/22

11:32 am-12:00 pm

Nonstop1h 28m

Chicago O'Hare Intl

Sat 10/24

9:30 pm-11:59 pm

Nonstop1h 29m

$268

DaytonChicago

DAY Dayton - ORD Chicago O'Hare Intl

DAYORD

Dayton

Sat 10/24

11:22 am-11:59 am

Nonstop1h 37m

Chicago O'Hare Intl

Thu 10/29

3:30 pm-6:00 pm

Nonstop1h 30m

$268

DaytonChicago

DAY Dayton - ORD Chicago O'Hare Intl

DAYORD

Dayton

Thu 10/15

6:30 pm-7:08 pm

Nonstop1h 38m

Chicago O'Hare Intl

Mon 10/19

10:00 pm-12:26 am

Nonstop1h 26m

$269

DaytonChicago

DAY Dayton - ORD Chicago O'Hare Intl

DAYORD

Dayton

Fri 10/23

6:30 pm-7:08 pm

Nonstop1h 38m

Chicago O'Hare Intl

Sun 10/25

10:00 pm-12:26 am

Nonstop1h 26m

$269

DaytonChicago

DAY Dayton - ORD Chicago O'Hare Intl

DAYORD

Dayton

Fri 10/30

9:04 pm-12:51 pm

2 stops16h 47m

Chicago O'Hare Intl

Mon 11/16

8:00 am-8:24 pm

1 stop11h 24m

$276

Quickest round-trip

DaytonChicago

DAY Dayton - ORD Chicago O'Hare Intl

DAYORD

Dayton

Wed 10/28

5:30 am-5:59 am

Nonstop1h 29m

Chicago O'Hare Intl

Tue 11/3

8:40 am-10:58 am

Nonstop1h 18m

$287

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 November is also cheap. Prices for this month can be found on momondo for an average of $239.

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 $428. Flights from Dayton to Illinois on a Monday will generally be more expensive and average around $666. 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 $453. Flights at noon are often more expensive with an average ticket price of $684.

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 $312 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	$128
Fastest flight time	1h 25m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Dayton in the past 72 hours is $128. The best round-trip flight deal from Dayton to Illinois found on momondo in the last 72 hours is $202.

The fastest flight from Dayton to Illinois takes 1h 25m

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?
The number of operators available for flights from Dayton Airport to Illinois is 2 as of September 2026.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Dayton to Illinois is Canadair (Bombardier) Regional Jet CRJ-550 (20.65% of total bookings). The next most popular plane models are Embraer 170 (18.40%), Embraer 175 (Enhanced Winglets) (15.31%), and Embraer 175 (11.38%).

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 Airlines	PriceFrom $179	Free Cancellation	Rating 7.1 12,063 reviews		Search American Airlines flights
United Airlines	PriceFrom $179	Free Cancellation	Rating 7.4 10,214 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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Popular cities in Illinois

Flights to New Yorkfrom $68

Flights to Los Angelesfrom $50

Flights to Orlandofrom $54

Flights to Miamifrom $79

Flights to San Franciscofrom $41

Flights to Chicagofrom $58

Flights to Las Vegasfrom $50

Flights to Washington, D.C.from $60

Flights to Bostonfrom $92

Flights to Fort Lauderdalefrom $59

Flights to Atlantafrom $48

Flights to Dallasfrom $80

Cheap flights from Dayton to Illinois from $128

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 11/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Dayton to Illinois

Our best United Airlines deals on Dayton to Illinois flight tickets

American Airlines flights from Dayton to Illinois

Our best American Airlines deals on Dayton to Illinois flight tickets

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See travel insights to Illinois from

How to get the cheapest flight ticket from Dayton to Illinois

What is the cheapest month to fly to Illinois?

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

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

What is the cheapest Dayton to Illinois flight route?

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

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

Can stopping save me money on Dayton to Illinois flights?

What is the cheapest airline that flies from Dayton to Illinois?

What airlines fly to Illinois?

How many flights depart from Dayton to Illinois on average per day?

How many flights depart from Dayton to Illinois on average per week?

Cheap Dayton to Illinois flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

Frequently asked questions about flying 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

Why use momondo?

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo

Dayton flight routes

According to popular flight searches on momondo this year

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