Domestic route
Cheap flights from Denver to Dallas
Denver International Airport (DEN) to Dallas/Fort Worth International Airport (DFW). 641 miles, 1h 45m nonstop.
DEN to DFW at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 641 milesgreat-circle
- Typical flight time
- 1h 45mnonstop, gate to gate
- Nonstop airlines
- AAUAWNNK6 airlinesAmerican, United, Southwest
- Nonstop flights per day
- 26all airlines combined
- Cheapest month
- January 2027over the next six months
- Best day to fly
- Tuesday18% less than Sunday
- Time difference
- 1h aheadDallas vs Denver
Denver to Dallas
Round trips from $55
Per traveler, taxes and fees included. Lowest fare we found departs Tue, Jan 5.
Cheapest month: January 2027
See fares on these datesLock any fare free — pay only when you accept your last-minute deal
Or ask an agent on WhatsAppDenver to Dallas fares by month
Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.
Airlines flying Denver to Dallas
6 airlines fly nonstop with 26 departures a day combined.
- AAAmerican AirlinesoneworldNonstop · 7 flights a day · first checked bag from $40
- UAUnited AirlinesStar AllianceNonstop · 5 flights a day · first checked bag from $40
- F9Frontier AirlinesLow-costNonstop · 4 flights a day · first checked bag from $55
- WNSouthwest AirlinesLow-costNonstop · 4 flights a day · first checked bag from $35
- NKSpirit AirlinesLow-costNonstop · 4 flights a day · first checked bag from $55
- SYSun Country AirlinesLow-costNonstop · 2 flights a day · first checked bag from $45
Connecting options
Every itinerary on this route is nonstop or uses an unusual connection; run a search for specifics.
Which airport should I use?
DenverDallas has 2 airports. Fares can differ by $50 to $150 round trip between them, so check the alternatives before you book.
Other arrival airports near Dallas
Tips for this route
- American, United, Southwest and Spirit all fly DEN to DFW nonstop, so compare the total with bags before picking the lowest base fare: the difference between a basic and a standard economy ticket is often less than one checked bag each way.
- January 2027 is the cheapest month to fly over the next six months, with round trips from $55; September 2026 is the most expensive at $78 and up, a difference of $23 per traveler.
- Departing on a Tuesday averages 18% less than a Sunday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
- Fares on this route are usually lowest 4 to 8 weeks before departure and rise sharply inside two weeks.
Ready to compare live fares?
See every airline on DEN–DFW side by side with bags and seat rules spelled out.
Search Denver to DallasDenver to Dallas: common questions
How long is the flight from Denver to Dallas?
A nonstop flight from Denver (DEN) to Dallas (DFW) takes about 1h 45m gate to gate, covering 641 miles. Connecting itineraries add the layover, typically 1 to 3 hours more in total.
Which airlines fly nonstop from DEN to DFW?
American Airlines, United Airlines, Southwest Airlines, Spirit Airlines, Frontier Airlines and Sun Country Airlines operate nonstop flights from Denver (DEN) to Dallas (DFW), with 26 nonstop departures a day between them.
What is the cheapest month to fly from Denver to Dallas?
Over the next six months, January 2027 has the lowest round-trip fares from Denver (DEN) to Dallas (DFW), starting at $55 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.
How far in advance should I book Denver to Dallas flights?
Fares on this route are usually lowest 4 to 8 weeks before departure and rise sharply inside two weeks. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.
What is the time difference between Denver and Dallas?
Dallas is 1 hour ahead of Denver. DEN is on America/Denver time and DFW on America/Chicago time. Departure and arrival times in search results are always shown in local time at each airport.
Related routes
Other popular city pairs from the same departure city and to the same destination, with the lowest round-trip fares we found.