Cheap Flights to Boulder County from $44 (2025/2026)

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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, Sep 10 - Sat, Sep 13
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$88 Roundtrip, just found
$88
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Sep 10 from Dallas-Fort Worth Intl. to Denver Intl., returning Sat, Sep 13, priced at $88 just found
Fri, Jul 4 - Fri, Jul 4
ORD
O'Hare Intl.
DEN
Denver Intl.
$90 Roundtrip, found 1 day ago
$90
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Jul 4 from O'Hare Intl. to Denver Intl., returning Fri, Jul 4, priced at $90 found 1 day ago
Wed, Aug 13 - Sat, Aug 16
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$90 Roundtrip, found 1 hour ago
$90
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Aug 13 from Dallas-Fort Worth Intl. to Denver Intl., returning Sat, Aug 16, priced at $90 found 1 hour ago
Tue, Aug 26 - Wed, Sep 3
DAL
Love Field
DEN
Denver Intl.
$137 Roundtrip, found 13 hours ago
$137
Roundtrip
found 13 hours ago
Select Southwest Airlines flight, departing Tue, Aug 26 from Love Field to Denver Intl., returning Wed, Sep 3, priced at $137 found 13 hours ago
Sat, Oct 18 - Tue, Oct 21
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$137 Roundtrip, found 1 day ago
$137
Roundtrip
found 1 day ago
Select United flight, departing Sat, Oct 18 from Dallas-Fort Worth Intl. to Denver Intl., returning Tue, Oct 21, priced at $137 found 1 day ago
Sat, Oct 18 - Tue, Oct 21
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$137 Roundtrip, found 1 day ago
$137
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 18 from Dallas-Fort Worth Intl. to Denver Intl., returning Tue, Oct 21, priced at $137 found 1 day ago
Fri, Oct 24 - Tue, Oct 28
LGA
LaGuardia
DEN
Denver Intl.
$138 Roundtrip, found 1 hour ago
$138
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Oct 24 from LaGuardia to Denver Intl., returning Tue, Oct 28, priced at $138 found 1 hour ago
Thu, Aug 28 - Thu, Aug 28
JFK
John F. Kennedy Intl.
DEN
Denver Intl.
$172 Roundtrip, found 5 days ago
$172
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Thu, Aug 28 from John F. Kennedy Intl. to Denver Intl., returning Thu, Aug 28, priced at $172 found 5 days ago
OriginDestinationTravel DatesFlights From*
MIADenverSeptember 6 to September 13$69
DFWDenverSeptember 3 to September 6$88
MSPDenverAugust 30 to September 6$88
PHXDenverAugust 26 to September 3$88
LAXDenverSeptember 8 to September 8$103
ATLDenverAugust 27 to September 3$106
ORDDenverJuly 18 to July 21$108
LGADenverSeptember 5 to September 13$143
PHLDenverAugust 30 to September 3$148
BOSDenverAugust 20 to August 30$217
DFWLovelandAugust 10 to August 16$267
LAXLovelandAugust 7 to August 10$272
MSPLovelandAugust 15 to August 23$524
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
PHXDenverJuly 5 to July 12$127
ORDDenverJuly 5 to July 9$129
DFWDenverJuly 4 to July 9$135
LAXDenverJuly 5 to July 9$150
ATLDenverJuly 5 to July 30$150
MSPDenverJuly 4 to July 5$160
LGADenverJuly 5 to July 12$202
PHLDenverJuly 5 to July 10$206
MIADenverJuly 5 to July 7$284
BOSDenverJuly 5 to July 8$371
DFWLovelandJuly 6 to July 10$450
LAXLovelandJuly 4 to July 7$716
*Prices include taxes and fees

Best Boulder County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Satellite Hotel
2.5-star property

Satellite Hotel

Sep 12 - Sep 15

3 night stay

Atlanta (ATL) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
per person
found 1 day ago
Hyatt Vacation Club at The Ranahan
4.0-star property

Hyatt Vacation Club at The Ranahan

Sep 12 - Sep 15

3 night stay

Atlanta (ATL) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
per person
found 1 day ago
Glenwood Springs Inn
2.0-star property

Glenwood Springs Inn

Aug 17 - Aug 23

6 night stay

Dallas (DFW) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
per person
found 11 hours ago
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Travelers ❤️ These Boulder County 🏨

Hotel Boulderado

Hotel Boulderado

3.5 out of 5
2115 13th St, Boulder, CO
Stay at this 3.5-star historic 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.
9.4/10 Exceptional! (1,470 reviews)
"Great Hotel. Great location."

Reviewed on Jun 28, 2025

Hotel Boulderado
La Quinta Inn & Suites by Wyndham Denver Boulder-Louisville

La Quinta Inn & Suites by Wyndham Denver Boulder-Louisville

3 out of 5
902 W Dillon Rd, Louisville, CO
Stay at this 3-star golf hotel in Louisville. Enjoy free breakfast, free WiFi, and a fitness center. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Coal Creek Golf Course and Sport Stable are located nearby.
7.8/10 Good! (1,237 reviews)
Overall satisfied
"Overall satisfied within my budget"

Reviewed on Jun 28, 2025

La Quinta Inn & Suites by Wyndham Denver Boulder-Louisville
Super 8 by Wyndham Longmont/Twin Peaks

Super 8 by Wyndham Longmont/Twin Peaks

2 out of 5
2446 N Main St, I-25 Exit 243 Hwy 287 and 66, Longmont, CO
Book a stay at this business-friendly motel in Longmont. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions The Colorado Actors Theatre and Ute Creek Golf Course are located nearby.
7.8/10 Good! (1,003 reviews)
"Wonderful staff . A big dirt spot behind motel could look nicer"

Reviewed on Jun 29, 2025

Super 8 by Wyndham Longmont/Twin Peaks
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Courtyard by Marriott Boulder

Courtyard by Marriott Boulder

3 out of 5
4710 Pearl East Cir, Boulder, CO
Book a stay at this business-friendly hotel in Boulder. Enjoy free WiFi, free parking, and breakfast (surcharge). Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Folsom Field and Pearl Street Mall are located nearby.
8.8/10 Excellent! (998 reviews)
"Great location, comfortable and clead room. Helpful staff."

Reviewed on Jun 20, 2025

Courtyard by Marriott 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 $69. 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 September. 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 $69. 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 $69 and $716 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.

Destinations in Boulder County

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.