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Cheap flights from Denver (DEN) to Dallas

DEN — DFW
Oct 22 — Oct 291
Thu 10/22
Thu 10/29
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Dallas are usually found in October or February, booked 72 days in advance, depart on a Friday or Thursday and return on a Saturday

Find flight deals from Denver to Dallas

Popular in

August

Cheapest in

October

Average price

$310
Highest demand for flights based on searches. 17% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Best time to book a flight from Denver to Dallas

Have a flexible travel schedule? Discover the best time to fly to Dallas from Denver with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Denver to Dallas

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

Booking 90 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Dallas. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Denver to Dallas (average of $211). Flying from Denver to Dallas in August is currently the most expensive (average of $337). 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 DEN to DFW?

A simple way to save on the total cost of your ticket is to fly from Denver to Dallas in the evening. If you’re flexible enough to do this you can expect to save up to 44% on your trip compared to booking a flight in the afternoon.

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

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

The best insider tips for Denver to Dallas flights

Cheapflights partnered with top experts to bring you the best recommendations for your Denver to Dallas trip
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier and Southwest

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Chris Dong

Chris Dong

Expert on DFW

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programs—all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

Read more
Emily Zemler

Emily Zemler

Expert on DEN

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more
Paul Rubio

Paul Rubio

Expert on DAL

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more

Reviews of airlines servicing Dallas

Read reviews from past customers who have flown Southwest,United Airlines, andJetBlue from Denver to Dallas. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,195 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Courtney,Sep 2026

DEN - STL

I still think the aircraft should load from the back and window seats first for all passengers. It's so much easier and efficient to board when you do not have to worry about hitting Anyone already seated.
Southwest
8.0
Very good
4,195 reviews
Southwest
8.0
Very good
4,195 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Courtney,Sep 2026

DEN - STL

I still think the aircraft should load from the back and window seats first for all passengers. It's so much easier and efficient to board when you do not have to worry about hitting Anyone already seated.
United Airlines
7.4
Good
10,222 reviews
Southwest
8.0
Very good
4,195 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Courtney,Sep 2026

DEN - STL

I still think the aircraft should load from the back and window seats first for all passengers. It's so much easier and efficient to board when you do not have to worry about hitting Anyone already seated.
JetBlue
7.1
Good
3,036 reviews
Southwest
8.0
Very good
4,195 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Courtney,Sep 2026

DEN - STL

I still think the aircraft should load from the back and window seats first for all passengers. It's so much easier and efficient to board when you do not have to worry about hitting Anyone already seated.
American Airlines
7.0
Good
12,080 reviews
Southwest
8.0
Very good
4,195 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Courtney,Sep 2026

DEN - STL

I still think the aircraft should load from the back and window seats first for all passengers. It's so much easier and efficient to board when you do not have to worry about hitting Anyone already seated.
Frontier
5.6
Fair
2,583 reviews
Southwest
8.0
Very good
4,195 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Courtney,Sep 2026

DEN - STL

I still think the aircraft should load from the back and window seats first for all passengers. It's so much easier and efficient to board when you do not have to worry about hitting Anyone already seated.

Related info for your journey

  • What airport do you fly from for flights from Denver to Dallas?

    For a flight from Denver to Dallas, you will be flying from Denver Intl. Denver Intl (DEN) is just 18.5 mi from the center of the city. Denver Intl is the only Denver airport and it handles 34 outbound flights to Dallas per day. 5 airlines have flights to Dallas from Denver Intl on a regular basis.

  • What are the cheapest airlines flying from Denver to Dallas round-trip?

    Flying on Frontier is currently your cheapest option to Dallas, with prices starting at $58. Additional round-trip tickets that might be worth considering are offered by JetBlue and Southwest, with the lowest prices starting at $144 and $164, respectively. Frontier is priced at 78% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airlines for a one-way flight from Denver to Dallas are Frontier ($33), JetBlue ($67), and American Airlines ($78).

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

    Consider Avianca (93%), Japan Airlines (85%) or United Airlines (76%) when booking your flight. These represent the most reliable airlines when flying from Denver to Dallas.

  • What are the cheapest flights from Denver to Dallas?

    Looking for the cheapest flight from Denver to Dallas? While on average our users pay $844, our data indicates the cheapest price to be $86. The most popular route (Denver Intl - Dallas/Fort Worth), is priced around $133.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Denver to Dallas (average of $211). Flying from Denver to Dallas in August is currently the most expensive (average of $337). 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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Top 5 airlines flying from Denver to Dallas

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$212FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$144Average$226FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$164Average$319FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$177Average$389FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$189Average$410FlexibilityNo cancel feeOn-time69%

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