$41 Find Cheap Flights from Illinois to Dallas - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Dallas departing on 8/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Illinois to Dallas

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Dallas that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Dallas

Tue, Jul 7 - Tue, Jul 14
Frontier Logo
3:41 pm - 5:43 pm
STL
-
DFW
2h 02mnonstop
Frontier Logo
1:00 pm - 2:56 pm
DFW
-
STL
1h 56mnonstop
$112Frontier
Tue, Aug 4 - Tue, Aug 11
Frontier Logo
3:41 pm - 5:43 pm
STL
-
DFW
2h 02mnonstop
Frontier Logo
1:00 pm - 2:56 pm
DFW
-
STL
1h 56mnonstop
$115Frontier
Wed, Aug 26 - Tue, Oct 27
Southwest Logo
3:10 pm - 5:20 pm
MDW
-
DAL
2h 10mnonstop
Southwest Logo
7:30 am - 9:45 am
DAL
-
MDW
2h 15mnonstop
$159Southwest
Wed, Aug 5 - Wed, Aug 12
Southwest Logo
2:45 pm - 4:20 pm
STL
-
DAL
1h 35mnonstop
Southwest Logo
6:55 pm - 8:40 pm
DAL
-
STL
1h 45mnonstop
$172Southwest
Wed, Aug 26 - Wed, Oct 28
Delta Logo
10:33 am - 5:43 pm
ORD
-
DAL
7h 10m
1 stop
Delta Logo
10:20 am - 6:32 pm
DAL
-
ORD
8h 12m
1 stop
$179Delta
Wed, Aug 26 - Wed, Oct 28
Delta Logo
1:27 pm - 10:26 pm
MDW
-
DAL
8h 59m
2 stops
Delta Logo
10:20 am - 4:25 pm
DAL
-
MDW
6h 05m
1 stop
$184Delta
Sun, Aug 2 - Tue, Aug 4
Multiple Airlines Logo
9:28 am - 12:23 pm
PIA
-
DFW
26h 55m
1 stop
Multiple Airlines Logo
6:19 am - 10:09 am
DFW
-
PIA
27h 50m
2 stops
$308Multiple Airlines
Fri, Jul 10 - Sat, Jul 11
American Airlines Logo
6:58 pm - 11:04 am
PIA
-
DFW
16h 06m
1 stop
American Airlines Logo
1:42 pm - 3:52 pm
DFW
-
PIA
2h 10mnonstop
$310American Airlines
Sun, Aug 2 - Tue, Aug 4
Multiple Airlines Logo
9:28 am - 12:23 pm
PIA
-
DFW
26h 55m
1 stop
Multiple Airlines Logo
12:45 pm - 10:09 am
DFW
-
PIA
21h 24m
1 stop
$320Multiple Airlines
Sat, Jun 27 - Sat, Jun 27
American Airlines Logo
4:47 pm - 7:10 pm
PIA
-
DFW
2h 23mnonstop
American Airlines Logo
10:14 pm - 9:14 am
DFW
-
PIA
11h 00m
1 stop
$325American Airlines
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Good to know

Cheapest flight$41
Flight from St. Louis to Dallas/Fort Worth Airport

Flights from Illinois to Dallas: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Illinois to Dallas 
Learn how KAYAK collects reviews and tips from users.
IanFlew with American Airlines
ORD
-
DFW
Apr 2026
Lately ORD airport struggles in general often having ground stops. Construction extends travel back to airport so allow 2 hrs. Over past few months, experienced far few delays on United than AA.
Dr. JosephFlew with American Airlines
ORD
-
DFW
Jan 2025
Be very vigilant about the weather both in Chicago and in Dallas. Adverse weather in either area can affect the trip.

FAQs for booking flights from Illinois to Dallas

  • How does KAYAK find such low prices on flights from Illinois to Dallas?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Dallas.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Dallas?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Dallas from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Dallas?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Dallas with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Dallas?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Dallas from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Dallas

Cabin class types available on flights to Illinois

Cabin classes available on flights to Dallas. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Dallas
Business Class flights to Dallas
Premium Economy Class flights to Dallas
Economy Class flights to Dallas