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$67+ Cheap flights from Dallas/Fort Worth (DFW) to Boulder, CO

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — DEN
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheapflights Tip: The best prices from Dallas/Fort Worth to Boulder are usually found in February or June, booked 85 days in advance, depart on a Tuesday or Saturday and return on a Friday

Cheap flight deals from Dallas/Fort Worth to Boulder

Keep the following information in mind while searching for Dallas/Fort Worth to Boulder flight deals. Data was last updated April 15, 2025.

Round-trip from

$133
(Cheapflightsfares)

One-way from

$67
(Cheapflightsfares)

Popular in

December

Cheapest in

February

Average price

$148
From Dallas/Fort Worth to Boulder
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One-way flight from Dallas/Fort Worth to Boulder
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Highest demand for flights based on searches. 10% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Dallas/Fort Worth to Boulder

Cheapest flights from Dallas/Fort Worth to Boulder
Explore the most affordable flight options available from Dallas/Fort Worth to Boulder. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/149:47 pmDFW - DEN
Nonstop2h 30mFrontier
Tue 5/208:10 pmDEN - DFW
Nonstop2h 19mFrontier
Deal found 4/14$133
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/228:34 pmDFW - DEN
Nonstop2h 32mUnited Airlines
Sun 5/259:45 amDEN - DFW
Nonstop2h 05mUnited Airlines
Deal found 4/14$182
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/106:25 pmDFW - DEN
1 stop5h 10mDelta
Sat 6/145:30 amDEN - DFW
1 stop4h 56mDelta
Deal found 4/14$197
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/238:11 amDFW - DEN
1 stop6h 15mAmerican Airlines
Sat 8/304:59 pmDEN - DFW
Nonstop2h 01mAmerican Airlines
Deal found 4/14$213
This Mytrip deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/96:26 amDFW - DEN
2 stops12h 01mMultiple Airlines
Fri 5/166:30 pmDEN - DFW
1 stop13h 15mMultiple Airlines
Deal found 4/14$281
This Sun Country Air deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1112:00 pmDFW - DEN
1 stop21h 51mSun Country Air
Sun 9/1410:05 amDEN - DFW
1 stop23h 38mSun Country Air
Deal found 4/14$285

Cheapflights Fare Finder

Customize your flight search to find flights from Dallas/Fort Worth to Boulder that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 15, 2025.
Use the filters below to find and compare flights from Dallas/Fort Worth Airport to Boulder that are best for you.

Fly from

Dallas/Fort Worth

Fly to

Boulder

Route

Depart

Return

Price

DallasDenver

DFW - DEN

DFWDEN

Dallas/Fort Worth

Wed 5/14

9:47 pm-11:17 pm

Nonstop2h 30m

Denver Intl

Tue 5/20

8:10 pm-11:29 pm

Nonstop2h 19m

$133

DallasDenver

DFW - DEN

DFWDEN

Dallas/Fort Worth

Thu 5/22

8:34 pm-10:06 pm

Nonstop2h 32m

Denver Intl

Sun 5/25

9:45 am-12:50 pm

Nonstop2h 05m

$182

DallasDenver

DFW - DEN

DFWDEN

Dallas/Fort Worth

Fri 5/9

12:43 pm-1:53 pm

Nonstop2h 10m

Denver Intl

Sun 5/11

5:00 am-7:59 am

Nonstop1h 59m

$189

DallasDenver

DFW - DEN

DFWDEN

Dallas/Fort Worth

Tue 6/10

6:25 pm-10:35 pm

1 stop5h 10m

Denver Intl

Sat 6/14

5:30 am-11:26 am

1 stop4h 56m

$197

DallasDenver

DFW - DEN

DFWDEN

Dallas/Fort Worth

Fri 5/9

6:26 am-5:27 pm

2 stops12h 01m

Denver Intl

Fri 5/16

6:30 pm-8:45 am

1 stop13h 15m

$281

DallasDenver

DFW - DEN

DFWDEN

Dallas/Fort Worth

Tue 6/3

8:30 pm-9:55 pm

Nonstop2h 25m

$67

DallasDenver

DFW - DEN

DFWDEN

Dallas/Fort Worth

Fri 7/4

6:11 pm-7:37 pm

Nonstop2h 26m

$81

DallasDenver

DFW - DEN

DFWDEN

Dallas/Fort Worth

Sat 6/7

7:05 am-8:11 am

Nonstop2h 06m

$89

DallasDenver

DFW - DEN

DFWDEN

Dallas/Fort Worth

Sun 5/25

8:00 am-2:45 pm

1 stop7h 45m

$99

DallasDenver

DFW - DEN

DFWDEN

Dallas/Fort Worth

Mon 5/12

6:26 am-11:30 am

2 stops30h 04m

$123

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 11 results
1
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Best time to book a flight from Dallas/Fort Worth to Boulder

Have a flexible travel schedule? Discover the best time to fly to Boulder from Dallas/Fort Worth with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Dallas/Fort Worth Airport to Boulder

How far ahead should I book a flight from Dallas/Fort Worth Airport to Boulder?

Use this chart to determine the optimal time to book a round-trip flight from Dallas/Fort Worth to Boulder. Price data was last updated on April 11, 2025.

To ensure you get the cheapest price possible for a flight from Dallas/Fort Worth Airport to Boulder, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Dallas/Fort Worth Airport to Boulder?

Currently, October is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Boulder (average of $197). Flying from Dallas/Fort Worth Airport to Boulder in March is currently the most expensive (average of $278). 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 DFW to BD9?

Find hourly flight availability from Dallas/Fort Worth to Boulder. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

When flying from Dallas/Fort Worth Airport to Boulder, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Dallas/Fort Worth Airport to Boulder?

Use this chart to determine the cheapest time to fly round-trip from Dallas/Fort Worth to Boulder. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Dallas/Fort Worth Airport to Boulder flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Dallas/Fort Worth Airport to Boulder

Explore weekly flight availability from Dallas/Fort Worth to Boulder. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 15, 2025.

The most flights from DFW to BD9 are scheduled on a Monday (47 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 on average).

Rainfall in Boulder by month

Plan your trip to Boulder by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boulder ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Boulder when rainfall is around 0.5 in.

Temperature in Boulder by month

Plan your trip to Boulder by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boulder, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boulder

Get insights into the airlines that provide service to Boulder. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boulder. Reviews last updated April 15, 2025.
To help decide which airline to fly from Dallas to Boulder, see what other customers have to say about Alaska Airlines, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,871 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,918 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,658 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Frontier
6.0
Okay
3,281 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Dallas/Fort Worth to Boulder. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Dallas/Fort Worth Airport to Boulder one-way?

    One-way options have recently been found by users for as low as $67 on Frontier. Other airlines that offer cheap prices include United Airlines from $81 and American Airlines from $89 one-way.

  • What are the most reliable airlines from Dallas/Fort Worth Airport to Boulder?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Dallas/Fort Worth Airport to Boulder on time: United Airlines (90%), Japan Airlines (89%), GOL (89%).

  • What are the cheapest flights from Dallas/Fort Worth Airport to Boulder?

    On average you can expect to pay $616 for a flight from Dallas/Fort Worth Airport to Boulder. The cheapest flight overall is $58 while the most popular route, (Dallas/Fort Worth - Denver Intl) is currently priced at $134.

  • Can I find deals for flights from Dallas/Fort Worth to Boulder that include hotel bookings?

    Yes. In addition to deals on Dallas/Fort Worth to Boulder flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dallas/Fort Worth to Boulder?

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

  • Can I find deals for business class flights from Dallas/Fort Worth to Boulder?

    Yes. Cheapflights offers flight deals from Dallas/Fort Worth to Boulder 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 Dallas/Fort Worth Airport to Boulder?

    Currently, October is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Boulder (average of $197). Flying from Dallas/Fort Worth Airport to Boulder in March is currently the most expensive (average of $278). 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 Dallas/Fort Worth to Boulder

Discover the top 5 airlines that operate flights from Dallas/Fort Worth to Boulder. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$47Average$115FlexibilityNo cancel feeOn-time62%
Denver Air ConnectionCheapest$104Average$209FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$131Average$356FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$137Average$282FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$138Average$282FlexibilityNo cancel feeOn-time63%

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