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$49+ Cheap flights from Illinois to Dallas

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DFW
Aug 2 — Aug 91
Sun 8/2
Sun 8/9
1 adult, Economy
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Cheap flight deals from Illinois to Dallas

Cheapest flights from Illinois to Dallas
Explore the most affordable flight options available from Illinois to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:27 pm
STL
-
DFW
Nonstop2h 02m
Frontier
Sun 9/610:00 am
DFW
-
STL
1 stop7h 22m
Frontier
Deal found 7/2$152
This Super.com deal was found by Cheapflights users on 6/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/303:41 pm
STL
-
DFW
Nonstop2h 02m
Frontier
Sat 8/11:00 pm
DFW
-
STL
Nonstop1h 56m
Frontier
Deal found 6/30$153
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/153:41 pm
STL
-
DFW
Nonstop2h 02m
Frontier
Thu 8/276:17 am
DFW
-
STL
1 stop11h 05m
Frontier
Deal found 6/29$154
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/34:57 pm
STL
-
DFW
1 stop23h 10m
Frontier
Thu 8/61:00 pm
DFW
-
STL
Nonstop1h 56m
Frontier
Deal found 7/2$156
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/13:41 pm
STL
-
DFW
Nonstop2h 02m
Frontier
Sat 8/84:16 pm
DFW
-
STL
1 stop25h 21m
Frontier
Deal found 7/2$158
This Priceline deal was found by Cheapflights users on 6/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:45 pm
STL
-
DFW
1 stop11h 03m
Frontier
Tue 8/252:35 pm
DFW
-
STL
Nonstop1h 56m
Frontier
Deal found 6/29$159
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:34 pm
STL
-
DFW
1 stop28h 01m
Frontier
Thu 8/61:00 pm
DFW
-
STL
Nonstop1h 56m
Frontier
Deal found 7/2$162
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/213:41 pm
STL
-
DFW
Nonstop2h 02m
Frontier
Sat 7/254:16 pm
DFW
-
STL
1 stop25h 21m
Frontier
Deal found 6/28$164
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:27 pm
STL
-
DFW
Nonstop2h 02m
Frontier
Sun 8/2310:00 am
DFW
-
STL
1 stop7h 22m
Frontier
Deal found 6/30$165
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/153:41 pm
STL
-
DFW
Nonstop2h 02m
Frontier
Wed 8/268:05 pm
DFW
-
STL
1 stop20h 06m
Frontier
Deal found 6/29$166
This Trip.com deal was found by Cheapflights users on 6/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:41 pm
MDW
-
DFW
Nonstop2h 40m
Frontier
Tue 7/282:30 pm
DFW
-
MDW
Nonstop2h 21m
Frontier
Deal found 6/28$188
This Travelocity deal was found by Cheapflights users on 6/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am
ORD
-
DFW
Nonstop2h 39m
Frontier
Thu 10/299:51 pm
DFW
-
ORD
Nonstop2h 34m
Frontier
Deal found 6/29$189

Find flight deals from Illinois to Dallas

Keep the following information in mind while searching for Illinois to Dallas flight deals. Data was last updated July 3, 2026.

Round-trip from

$152
(Kiwi.com)

One-way from

$49
(Frontier)

Popular in

June

Cheapest in

August

Average price

$253
From Illinois to Dallas
Search Deals
One-way flight from Illinois to Dallas
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Dallas 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 July 3, 2026.
Use the filters below to find and compare flights from Illinois to Dallas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sat 8/1

5:36 pm-10:21 pm

1 stop4h 45m

Dallas/Fort Worth

Sat 8/8

6:45 am-11:56 am

1 stop5h 11m

$217

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Tue 8/11

12:52 pm-5:43 pm

1 stop4h 51m

Dallas Love Field

Tue 8/18

6:00 am-11:46 am

1 stop5h 46m

$217

ChicagoDallas

MDW - DFW

MDWDFW

Chicago Midway

Sat 8/1

6:41 pm-9:21 pm

Nonstop2h 40m

Dallas/Fort Worth

Sun 8/2

4:16 pm-10:03 pm

1 stop5h 47m

$227

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Thu 8/6

12:15 pm-4:05 pm

1 stop3h 50m

Dallas Love Field

Tue 8/11

7:40 am-9:25 am

Nonstop1h 45m

$237

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 9/24

11:21 am-5:17 pm

1 stop5h 56m

Dallas/Fort Worth

Mon 9/28

4:21 pm-11:42 pm

1 stop7h 21m

$237

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 8/20

6:00 am-11:16 am

1 stop5h 16m

Dallas/Fort Worth

Mon 8/24

5:20 am-9:54 am

1 stop4h 34m

$237

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Tue 8/25

8:25 am-2:00 pm

1 stop5h 35m

Dallas Love Field

Wed 9/2

2:00 pm-5:55 pm

1 stop3h 55m

$247

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Mon 8/17

8:30 am-12:20 pm

1 stop3h 50m

Dallas Love Field

Sat 8/22

12:20 pm-3:25 pm

1 stop3h 05m

$248

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Tue 7/21

6:00 pm-10:15 pm

1 stop4h 15m

Dallas Love Field

Sat 7/25

2:15 pm-6:00 pm

1 stop3h 45m

$252

ChicagoDallas

MDW - DAL

MDWDAL

Chicago Midway

Tue 7/28

7:45 am-11:50 am

1 stop4h 05m

Dallas Love Field

Tue 8/4

2:25 pm-4:35 pm

Nonstop2h 10m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Illinois to Dallas

Have a flexible travel schedule? Discover the best time to fly to Dallas 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 Dallas

What is the cheapest month to book a flight from Illinois to Dallas?

Currently, October is the cheapest month in which you can book a flight from Illinois to Dallas (average of $162). Flying from Illinois to Dallas in June is currently the most expensive (average of $384). 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 DFW?

Find hourly flight availability from Illinois to Dallas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2026.

A simple way to save on the total cost of your ticket is to fly from Illinois to Dallas in the evening. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the morning.

Weekly flight availability from Illinois to Dallas

Explore weekly flight availability from Illinois to Dallas. 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 July 3, 2026.

The most flights from USIL to A78 are scheduled on a Thursday (85 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (37 on average).

How much does it cost to fly round-trip from Illinois to Dallas?

How far ahead should I book a flight from Illinois to Dallas?

To ensure you get the cheapest price possible for a flight from Illinois to Dallas, you should look to book at least 50 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest day to fly from Illinois to Dallas?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Dallas. Price data was last updated on June 27, 2026.

Travelers seeking maximum savings on their Illinois to Dallas flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Dallas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Dallas?

    A quick flight from Illinois to Dallas can take about 2h 40m. Delta provides one of the quickest options available for as low as $227. Airlines will cover a distance of 797 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Illinois to Dallas one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $40. Users have also found prices from $75 and $78 on Southwest and American Airlines, respectively.

  • What are the most popular routes from Illinois to Dallas?

    Most travelers choose Chicago O'Hare Intl - Dallas/Fort Worth, Chicago Midway - Dallas/Fort Worth or Lambert-St Louis - Dallas/Fort Worth when deciding on the best route from Illinois to Dallas.

  • What are the most reliable airlines from Illinois to Dallas?

    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 Dallas on time: Air Chathams (100%), SkyWest Airlines (83%), Republic Airways (82%).

  • What are the cheapest flights from Illinois to Dallas?

    On average you can expect to pay $967 for a flight from Illinois to Dallas. The cheapest flight overall is $96 while the most popular route, (Chicago O'Hare Intl - Dallas/Fort Worth) is currently priced at $148.

  • Can I find deals for flights from Illinois to Dallas that include hotel bookings?

    Yes. In addition to deals on Illinois to Dallas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Dallas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Dallas.

  • Can I find deals for business class flights from Illinois to Dallas?

    Yes. Cheapflights offers flight deals from Illinois to Dallas 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 Dallas?

    Currently, October is the cheapest month in which you can book a flight from Illinois to Dallas (average of $162). Flying from Illinois to Dallas in June is currently the most expensive (average of $384). 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

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Alternative routes for Illinois to Dallas

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Illinois to Dallas

Discover the top 7 airlines that operate flights from Illinois to Dallas. 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 July 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$66Average$174FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$106Average$316FlexibilityNo cancel feeOn-time63%
DeltaCheapest$112Average$244FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$162Average$445FlexibilityNo cancel feeOn-time71%
ContourCheapest$164Average$183FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$177Average$290FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$185Average$556FlexibilityNo cancel feeOn-time69%

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