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.

Mon, Jun 2 - Thu, Jun 12
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$80 Roundtrip, found 6 days ago
$80
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Mon, Jun 2 from Minneapolis - St. Paul Intl. to Denver Intl., returning Thu, Jun 12, priced at $80 found 6 days ago
Sat, Sep 13 - Sat, Sep 13
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$103 Roundtrip, found 1 day ago
$103
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Sep 13 from Dallas-Fort Worth Intl. to Denver Intl., returning Sat, Sep 13, priced at $103 found 1 day ago
Tue, Jul 1 - Wed, Jul 2
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$121 Roundtrip, found 6 days ago
$121
Roundtrip
found 6 days ago
Select United flight, departing Tue, Jul 1 from Dallas-Fort Worth Intl. to Denver Intl., returning Wed, Jul 2, priced at $121 found 6 days ago
Sat, Aug 30 - Sat, Sep 6
ATL
Hartsfield-Jackson Atlanta Intl.
DEN
Denver Intl.
$128 Roundtrip, just found
$128
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Aug 30 from Hartsfield-Jackson Atlanta Intl. to Denver Intl., returning Sat, Sep 6, priced at $128 just found
Fri, Jun 13 - Wed, Jun 18
DAL
Love Field
DEN
Denver Intl.
$132 Roundtrip, found 6 days ago
$132
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Fri, Jun 13 from Love Field to Denver Intl., returning Wed, Jun 18, priced at $132 found 6 days ago
Wed, Jun 11 - Wed, Jun 11
PHL
Philadelphia Intl.
DEN
Denver Intl.
$144 Roundtrip, found 1 day ago
$144
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Jun 11 from Philadelphia Intl. to Denver Intl., returning Wed, Jun 11, priced at $144 found 1 day ago
Sat, Aug 2 - Tue, Aug 5
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$157 Roundtrip, just found
$157
Roundtrip
just found
Select American Airlines flight, departing Sat, Aug 2 from Dallas-Fort Worth Intl. to Denver Intl., returning Tue, Aug 5, priced at $157 just found
Fri, Jul 4 - Wed, Jul 9
ATL
Hartsfield-Jackson Atlanta Intl.
DEN
Denver Intl.
$182 Roundtrip, found 2 days ago
$182
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Jul 4 from Hartsfield-Jackson Atlanta Intl. to Denver Intl., returning Wed, Jul 9, priced at $182 found 2 days ago
Thu, Aug 28 - Thu, Sep 4
TTN
Mercer
DEN
Denver Intl.
$194 Roundtrip, just found
$194
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Aug 28 from Mercer to Denver Intl., returning Thu, Sep 4, priced at $194 just found
OriginDestinationTravel DatesFlights From*
PHXDenverJuly 15 to July 19$88
MSPDenverJuly 22 to July 23$97
LAXDenverMay 30 to June 2$108
DFWDenverAugust 20 to August 23$108
ORDDenverJuly 9 to July 15$116
ATLDenverJune 11 to June 18$128
MIADenverJune 13 to June 18$136
PHLDenverJune 5 to June 9$149
LGADenverJuly 26 to August 2$163
BOSDenverJune 12 to June 16$194
DFWLovelandJune 16 to June 17$262
ORDLovelandJune 26 to June 28$270
PHXLovelandAugust 14 to August 20$285
ATLLovelandJune 6 to June 9$323
MSPLovelandAugust 15 to August 23$570
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
ORDDenverMay 18 to May 25$189
PHXDenverMay 18 to May 20$214
LAXDenverMay 18 to May 23$223
MSPDenverMay 17 to May 21$225
DFWDenverMay 17 to May 20$231
LGADenverMay 17 to May 20$248
TTNDenverMay 18 to May 22$255
ATLDenverMay 18 to May 21$288
BOSDenverMay 17 to May 19$396
MIADenverMay 17 to May 20$445
PHLLovelandMay 18 to May 21$1,165
*Prices include taxes and fees

Best Boulder County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Eagle Point Resort
4.0-star property

Eagle Point Resort

Jul 25 - Jul 29

4 night stay

Dallas (DFW) 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

Jun 27 - Jul 2

5 night stay

Minneapolis (MSP) to Denver (DEN)

Sun Country Airlines • Coach

Denver (DEN) to Minneapolis (MSP)

Frontier Airlines • Coach
Save 100% on your flight
per person
found 1 day ago
Vail Residences at Cascade Village, a Destination by Hyatt Residence
4.5-star property

Vail Residences at Cascade Village, a Destination by Hyatt Residence

Jul 25 - Jul 29

4 night stay

Dallas (DFW) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
per person
found 1 day ago
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Travelers ❤️ These Boulder County 🏨

Hilton Garden Inn Boulder

Hilton Garden Inn Boulder

3 out of 5
2701 Canyon Boulevard, Boulder, CO
Stay at this 3-star spa hotel in Boulder. Enjoy free WiFi, a full-service spa, and breakfast (surcharge). Our guests praise the helpful staff in our reviews. Popular attractions Folsom Field and Pearl Street Mall are located nearby.
9/10 Wonderful! (1,004 reviews)
"Clean property"

Reviewed on May 2, 2025

Hilton Garden Inn Boulder
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! (1,467 reviews)
"This is a beautiful historic hotel that has been beautifully kept. The service is phenomenal! We really enjoyed our stay here. Just a note for anyone who has difficulty walking a bit of a distance: the north wing requires going up to the 2nd floor and walking through a skywalk to get to the newer ..."

Reviewed on May 13, 2025

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

La Quinta Inn & Suites by Wyndham Denver Boulder-Louisville

2.5 out of 5
902 W Dillon Rd, Louisville, CO
Book a stay at this golf hotel in Louisville. Enjoy free breakfast, free WiFi, and an outdoor pool. 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! (1,145 reviews)
"Pleasant place to stay, bed was comfortable, staff was friendly."

Reviewed on May 12, 2025

La Quinta Inn & Suites by Wyndham Denver Boulder-Louisville
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Hyatt Place Boulder/Pearl Street

Hyatt Place Boulder/Pearl Street

3 out of 5
2280 Junction Pl, Boulder, CO
Stay at this 3-star business-friendly hotel in Boulder. Enjoy free WiFi, breakfast (surcharge), and room service. Our guests praise the breakfast and the helpful staff in our reviews. Popular attractions Folsom Field and Pearl Street Mall are located nearby.
8.4/10 Very Good! (1,011 reviews)
Great housekeeping service - rare these days
"Thank you for cleaning the room, making the beds and providing fresh towels even when we didn't leave the room until late in the day."

Reviewed on May 11, 2025

Hyatt Place Boulder/Pearl Street
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 $80. 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 June. 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 $80. 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 $80 and $1,165 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.