Cheap Flights to Boulder County from $44 (2026/2027)

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Boulder

Flights
Boulder

How Much Does it Cost To Fly To Boulder County?

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Wed, Dec 2 - Wed, Dec 9
LAX
Los Angeles Intl.
DEN
Denver Intl.
$58 Roundtrip, found 4 hours ago
$58
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Wed, Dec 2 from Los Angeles Intl. to Denver Intl., returning Wed, Dec 9, priced at $58 found 4 hours ago
Thu, Jan 7 - Fri, Jan 8
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$58 Roundtrip, found 4 hours ago
$58
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Thu, Jan 7 from Dallas-Fort Worth Intl. to Denver Intl., returning Fri, Jan 8, priced at $58 found 4 hours ago
Sat, Jan 9 - Thu, Jan 14
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$62 Roundtrip, found 1 hour ago
$62
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Jan 9 from Dallas-Fort Worth Intl. to Denver Intl., returning Thu, Jan 14, priced at $62 found 1 hour ago
Wed, Jan 6 - Thu, Jan 7
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$68 Roundtrip, found 3 hours ago
$68
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Wed, Jan 6 from Dallas-Fort Worth Intl. to Denver Intl., returning Thu, Jan 7, priced at $68 found 3 hours ago
Wed, Dec 16 - Fri, Dec 25
BNA
Nashville Intl.
DEN
Denver Intl.
$80 Roundtrip, just found
$80
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Dec 16 from Nashville Intl. to Denver Intl., returning Fri, Dec 25, priced at $80 just found
Fri, Feb 5 - Wed, Feb 10
DAL
Love Field
DEN
Denver Intl.
$132 Roundtrip, found 4 hours ago
$132
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Fri, Feb 5 from Love Field to Denver Intl., returning Wed, Feb 10, priced at $132 found 4 hours ago
Sat, Jan 30 - Wed, Feb 3
BWI
Baltimore Washington Intl. Thurgood Marshall
DEN
Denver Intl.
$143 Roundtrip, found 8 hours ago
$143
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Sat, Jan 30 from Baltimore Washington Intl. Thurgood Marshall to Denver Intl., returning Wed, Feb 3, priced at $143 found 8 hours ago
Tue, Feb 2 - Sat, Feb 6
TPA
Tampa Intl.
DEN
Denver Intl.
$147 Roundtrip, found 1 day ago
$147
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Feb 2 from Tampa Intl. to Denver Intl., returning Sat, Feb 6, priced at $147 found 1 day ago
OriginDestinationTravel DatesFlights From*
DFWDenverJanuary 9 to January 14$62
LAXDenverDecember 3 to December 9$73
PHXDenverDecember 7 to December 11$80
MSPDenverNovember 17 to November 18$90
ATLDenverDecember 8 to December 12$103
ORDDenverDecember 12 to December 15$137
MIADenverJanuary 29 to January 30$193
BOSDenverNovember 9 to November 11$203
PHLDenverJanuary 19 to January 26$208
LGADenverJanuary 26 to February 1$217
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
PHXDenverOctober 25 to October 28$268
LAXDenverOctober 25 to November 1$270
DFWDenverOctober 25 to November 8$284
MSPDenverOctober 25 to December 7$294
ATLDenverOctober 25 to November 7$338
ORDDenverOctober 25 to October 27$361
TTNDenverOctober 24 to October 31$369
MIADenverOctober 24 to November 2$384
EWRDenverOctober 25 to October 27$425
BOSDenverOctober 23 to October 25$464
*Prices include taxes and fees

Best Boulder County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Simba Run Condos 2Bed 2Bath
3.0-star property

Simba Run Condos 2Bed 2Bath

Dec 25 - Dec 30

5 night stay

Atlanta (ATL) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $2,401, price is now $1,439 per person
$1,439
per person
found 1 day ago
Tivoli Lodge
4.0-star property

Tivoli Lodge

Jan 7 - Jan 14

7 night stay

Atlanta (ATL) to Denver (DEN)

Delta • Coach

Denver (DEN) to Atlanta (ATL)

Frontier Airlines • Coach
Save 100% on your flight
Price was $2,927, price is now $1,588 per person
$1,588
per person
found 1 day ago
Timbers & Lone Eagle by Vail Resorts
4.0-star property

Timbers & Lone Eagle by Vail Resorts

Dec 30 - Jan 6

7 night stay

Dallas (DFW) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $3,050, price is now $1,714 per person
$1,714
per person
found 1 day ago
Don't see what you're looking for?
See all available trips from Atlanta to Boulder County
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Travelers ❤️ These Boulder County 🏨

Hotel Boulderado

Hotel Boulderado

4 out of 5
2115 13th St Boulder CO
Book a stay at this luxury hotel in Boulder. Enjoy free WiFi, 2 restaurants, and breakfast (surcharge). Our guests praise the restaurant and the bar in our reviews. Popular attractions Pearl Street Mall and Folsom Field are located nearby.
Opens in a new windowHotel Boulderado
Limelight Boulder

Limelight Boulder

4 out of 5
1295 University Ave Boulder CO
Book a stay at this family-friendly hotel in Boulder. Enjoy free WiFi, 2 bars/lounges, and a rooftop terrace. Popular attractions Pearl Street Mall and Folsom Field are located nearby.
Opens in a new windowLimelight Boulder
Hotel Longmont

Hotel Longmont

3 out of 5
508 3rd Ave Longmont CO
Stay at this hotel in Longmont. Enjoy free WiFi, breakfast (surcharge), and parking (surcharge). Popular attractions Wibby Brewing and City of Longmont Callahan House are located nearby.
9.8/10 Exceptional! (97 reviews)
"Great location!! Will definitely stay here again!!"

Reviewed on Oct 18, 2026

Opens in a new windowHotel Longmont
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Comfort Inn & Suites Boulder

Comfort Inn & Suites Boulder

3 out of 5
4777 North Broadway Boulder CO
Book a stay at this business-friendly hotel in Boulder. Enjoy free breakfast, free WiFi, and an outdoor pool. Our guests praise the breakfast and the helpful staff in our reviews. Popular attractions Pearl Street Mall and Folsom Field are located nearby.
Opens in a new windowComfort Inn & Suites Boulder
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

How much is the cheapest flight to Boulder County?
Based on prices found over the last seven days on Travelocity, a roundtrip flight to Boulder County was as low as $58. If you can be flexible with your dates, it's easier to land a great bargain. This price was available on Travelocity for flights to Boulder County departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly to Boulder County?
For the greatest chance at scoring an excellent flight deal, time your escape in December. Based on Travelocity's direct flight demand from January to December last year, it's the cheapest time to jet to Boulder County.
How can I check my flight status to Boulder County?
Whether you'd like to view the status of your flight to Boulder County or amend your journey, you'll find all the important info on our customer portal, Trips. Click on "Trips" at the top of our homepage, then sign in or create a new account. Another convenient way to manage all your bookings is with the Travelocity app. Get alerts about flight delays or gate changes and easily share details with any family flying with you.
How do I find the best deals on flights to Boulder County?
Being flexible with your travel dates is one way to walk away with an incredible deal. Travelocity makes it super simple to find your perfect fare through the "Flexible dates" function. First, search for your flight to Boulder County, then compare the cheapest prices for nearby dates by hitting the "Flexible dates" box above. Booking ahead of schedule and avoiding peak periods are other suggestions. In the last seven days, the cheapest price for a return flight to Boulder County was $58. This price was available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Why should I book my flight to Boulder County with Travelocity?
If you're after cheap flights to Boulder County, you'll track down some enticing deals with Travelocity. From cheap family flights with low-cost air carriers to flexible tickets, we can help with your journey. Enjoy a hassle-free break with our 24/7 Virtual Agent online chat, Price Match Guarantee and free cancellations with most hotels. Start packing your case and get ready to fly away to this interesting destination.
What are the most popular flight routes to Boulder County?
Whether you have plans for a short break or a lengthy stay, Travelocity can help you find your flight to Boulder County. The busiest flight routes to this destination include:

  • Chicago, IL (ORD-O'Hare Intl.) to Denver Intl. Airport (DEN) - 4,138 flights a month.
  • Los Angeles, CA (LAX-Los Angeles Intl.) to Denver Intl. Airport (DEN) - 3,683 flights a month.
  • Salt Lake City, UT (SLC-Salt Lake City Intl.) to Denver Intl. Airport (DEN) - 3,549 flights a month.

How much is a flight to Boulder County on average?
Plane tickets for roundtrip flights to Boulder County cost between $58 and $464 in the last seven days. As soon as you find a fantastic deal, lock it in and get ready to take off on your next big adventure with Travelocity. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
How long is the average flight to Boulder County?
To get a feel for the average travel time of a direct flight to Boulder County, have a look at these in-demand routes:

  • Chicago, IL (ORD-O'Hare Intl.) to Denver Intl. Airport (DEN) - 2 hours and 38 minutes
  • Los Angeles, CA (LAX-Los Angeles Intl.) to Denver Intl. Airport (DEN) - 2 hours and 24 minutes
  • Salt Lake City, UT (SLC-Salt Lake City Intl.) to Denver Intl. Airport (DEN) - 1 hour and 48 minutes

What can I expect on a flight to Boulder County?
This mainly depends on where you're flying from and which airline company you go with. You'll likely find all types of flights to Boulder County, from business class journeys to cheap flights for family vacations. For long-haul flights, airlines will usually provide food and drinks, a variety of entertainment programs as well as games to keep your little ones amused.

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