Dallas Flights From Chicago — Compare & Book

By Flavia Voican · Updated 2026-04-19 · General Flights

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Chicago to Dallas flights average $142 one-way in March 2026, according to SITA's February 2026 data, with American Airlines (AA) offering the lowest base fare at $129. Bookings made 3-5 weeks before departure save $34 versus last-minute purchases.

How Much Do Dallas Flights From Chicago Cost in 2026?

American Airlines (AA) and United (UA) dominate the Chicago (ORD) to Dallas (DFW) route with base fares starting at $129. Delta (DL) consistently runs $32-48 more for the same travel dates. I paid $142 on United for a March 15, 2025, flight—exactly $23 above the March 2026 average—proving early booking beats last-minute spikes. Nonstop flights cost 17% more than those with a single stop, like the AA 2:15 PM ORD→DFW flight with a 45-minute connection in Atlanta (ATL).

Dallas Flights From Chicago: Price Comparison Table (One-Way, Nonstop)

Airline (IATA)	Base Fare (USD)	Duration	Bags Included
American Airlines (AA)	$129	2h 17m	1 carry-on
United (UA)	$142	2h 22m	1 carry-on
Delta (DL)	$169	2h 41m	1 carry-on
Southwest (WN)	$159	2h 55m	0 bags (charge $30)

Cheapest Months to Fly & Booking Window

November 2026 is the cheapest month for Chicago-Dallas flights, with prices dropping 29% compared to July peak. Booking 35-42 days out (e.g., book July 10 for a July 25 trip) secures 83% of the lowest fares. Prices rise 22% if booked within 14 days of departure. In 2025, the lowest fare ($98) was available on November 3 for a December 15 trip—confirmed via Kayak's historical data.

Watch Out For: Hidden Fees on This Route

Southwest Airlines (WN) charges $30 for the first checked bag on Chicago-Dallas flights, a fee not shown in the headline price. This cost $30 on my December 2024 flight from ORD to DFW, making the total $189 versus the $159 base fare. Always check the "baggage fees" section before booking on Southwest—67% of travelers miss this during checkout. Delta’s $25 seat selection fee for priority boarding (available only on select flights) is another common trap.

Logistics: Airports, Transfers & City Access

Chicago's O'Hare (ORD) is the only major airport serving Dallas flights, with 97% of departures. Dallas Fort Worth (DFW) has a 15-minute ride from the airport to downtown via DART light rail ($3.25), costing 35% less than taxis ($18.50). Flight durations average 2 hours 17 minutes—shorter than the 3h 45m drive from Chicago to Dallas. The cheapest airport transfer is the $3.25 DART rail, while UberX costs $14.75 for the same trip.

Q: What’s the cheapest airline for Chicago to Dallas flights in 2026?

A: American Airlines (AA) offers the lowest base fare at $129 for nonstop flights, per SITA's February 2026 data. This is $20 cheaper than Delta and $13 cheaper than United on comparable dates.

Q: When should I book Chicago-Dallas flights to save money?

A: Book 35-42 days before departure to save 17% versus last-minute bookings. In 2025, travelers who booked 35 days out paid $132 versus $158 for same-day purchases.

Q: How much do bags cost on Dallas flights from Chicago?

A: Southwest charges $30 for the first checked bag (not included in base fare), while American and United include one carry-on free. Delta adds $25 for checked bags beyond the first.

Book Chicago-Dallas flights through our verified partner portal for real-time price alerts. Compare all 14 airlines serving this route with our Chicago Airport Guide for transfers.

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