Flights from Dallas Airport (DFW) to Denver Airport (DIA)

The Dallas-Fort Worth to Denver route is one of the most active domestic services in the United States. There are 114 flights per week operating from DFW to Denver, with an average of 16 flights per day and a nonstop flight time of approximately 2 hours and 10 minutes. Major airlines, including American, United, Frontier, and Southwest, provide direct and non-stop flights. However, Southwest Airlines doesn’t operate through this airport, but passengers can opt for other available options. In addition, DFW to Denver flight connection routes are also available, but take more time and are also expensive. 

DFW to Denver Route Overview

Both Dallas-Fort Worth and Denver Airports have several passenger amenities, and the travel time is around 2 hours, covering over 600 miles.

• Average flight time: 2 hours and 10 minutes

• Distance: 640 miles

• Weekly nonstop flights: 110+

• Major airlines: American, United, Frontier

• Cheapest months: January & February

• Time difference: Denver is 1 hour behind Dallas

• Best booking time: 4 to 6 weeks before departure

Best Airlines for DFW to Denver flights

Several airlines offer direct and non-stop flights from DFW to Denver, from early morning to late at night. Passengers get multiple options to select from; however, the best and cheapest airlines include:

American Airlines

American is the most used carrier on this route at DFW. It provides 260 monthly flights from DFW to Denver, the highest frequency. Cabin options include Basic Economy, Main Cabin, Main Cabin Extra, and First Class. AAdvantage members can earn miles on all fare classes, and Admirals Club access is available in DFW Terminal E for eligible passengers.

United Airlines

United operates 173 nonstop monthly flights from DFW to Denver, offering Economy, Economy Plus, and Business Class options. United’s hub at both airports makes it convenient for passengers. MileagePlus members earn miles on all flights, and the earliest United departure from DFW to DEN leaves at 5:40 a.m.

Frontier Airlines

Frontier’s base fares on DFW to Denver start from $23 one-way, making it the lowest-cost carrier on this route. Frontier offers carry-on bags and seat selection, which cost extra beyond the base ticket price. The Discount Den membership program offers the lowest available fares for frequent flyers.

Southwest Airlines

Southwest operates from Dallas Love Field (DAL) rather than DFW, so it does not appear in DFW-specific searches. Southwest flies nonstop from Love Field to Denver 7 times per day on weekdays, 6 times on Saturdays, and 10 times on Sundays. 

Direct vs. Connecting Flights

American Airlines, Frontier, and United all operate nonstop services from DFW to Denver. Economy and Business Class are available on nonstop flights; Premium Economy and First Class are not offered as nonstop options on this route. Connecting routes through cities like Phoenix, Houston, or Chicago are occasionally available at lower base fares but typically add 1.5–3 hours to the total travel time.

Flight Duration and Distance

Most flights take about two hours to reach Denver from DFW Airport, as the timeline is different in both cities.

• Average nonstop flight time: 2 hours and 9 minutes from DFW to DEN. However,. The return from DEN to DFW typically runs slightly shorter due to appropriate wind conditions.

• Distance: 640 miles (1,030 kilometers).

• Earliest departure from DFW: 5:05 a.m. with Frontier Airlines. The last departure of the day is at 10:59 p.m. with American Airlines.

• Time zone: Denver operates on Mountain Time (UTC-6), placing it one hour behind Dallas. A 7:00 a.m. departure from DFW lands at approximately 8:10 a.m. local Denver time.

DFW to Denver Flights Ticket Pricing

One-way fares from DFW to Denver start at $40, with round-trip tickets from $77. Typical one-way prices range between $106 and $1,242 depending on the airline, fare class, and booking timing.

• Economy fares: Standard economy tickets generally fall in the $60–$150 one-way range for most bookings. Frontier’s base fares can drop as low as $23 one-way on select departures.

• Last-minute pricing: Last-minute fares for weekend trips from Dallas to Denver start around $230 one-way, reflecting limited seat availability closer to departure.

• Seasonal trends: Summer (June-August) and the holiday window (late December) consistently have higher prices. January and February, outside of major holiday weekends, are typically the most affordable months on this route.

Cheapest Times to Fly

Passengers can find the best time to take flights to Denver, CO, from DFW Airport, which might help in securing the lowest prices.

• Best months: January is the cheapest month to fly from DFW to Denver, with average round-trip prices around $146.February is similarly affordable and often an off-peak month.

• Midweek vs. weekend: Booking a midweek flight and traveling outside peak vacation months is one of the best ways to find lower fares on this route. Tuesday and Wednesday departures provide consistently lower pricing than Friday and Sunday.

• Holiday pricing: Thanksgiving, Christmas, New Year’s, Presidents’ Day weekend, and spring break (March to April) all have significant price increases. Booking 6 to 8 weeks ahead during these windows is the minimum time for affordable fares.

Booking Tips for Traveling from DFW to Denver Flights

The travel from Dallas to Denver is direct, yet passengers must follow these tips to get better ticket prices.

• Book in advance: Passengers who book at least 2 weeks in advance save more compared to last-minute bookings. The booking window on this route opens approximately 40 days before departure.

• Set fare alerts: Tracking tool sends automated alerts when prices drop for specific travel dates, using data to find the best time to book. Setting alerts 6 to 8 weeks before departure is beneficial.

• Use flexible date search: The fare calendar provides prices for each day of the month, and shifting travel by even one or two days can lower the ticket price by $30 to $80 on this route, particularly around busy travel periods.

• Check Southwest separately: Southwest fares generally don’t appear on third-party websites. Always check Southwest.com directly when comparing prices.

• Redeem earned miles: American AAdvantage and United MileagePlus both offer saver-level awards on this route starting around 7,500 miles one-way in economy. Southwest Rapid Rewards points can be converted to the cash price of the fare or lower cash fares.

• Give DFW Security enough time: Terminal E at DFW Airport is congested during the morning hours. Arriving at least 90 minutes before a domestic departure is advisable during busy periods. Dallas Airport TSA PreCheck and CLEAR lanes are available and significantly reduce wait times.

Transportation Available to Reach DFW Airport 

Several transportation options are available in Dallas for passengers to reach DFW Airport from downtown or other areas.

• Shuttles and Charter Buses: The shuttles and getaway buses are present on the lower-level curbside at each terminal at the DFW Airport.

• DFW Train and Public Transit: The DART, TEXRail, and TRE primarily offer services from three terminals at Dallas Airport. DART provides orange and silver lines from DFW Terminal A and B, respectively. However, the TEX Rail station is accessible through shuttles from Terminal D, located a few miles away.

• Rideshare services: Uber and Lyft operate on the lower-level curbside of each terminal at DFW Airport. A rideshare from downtown Dallas takes approximately 20-30 minutes, depending on traffic.

The DFW to Denver route has domestic connections in the United States. With 110 direct weekly departures from DFW to DEN, operated by American, United, and Frontier, flyers get flexibility in departure times and price points. One-way fares start from $40, and the best time to travel is January or February, flying midweek, and booking 4 to 6 weeks in advance to get the best possible prices.