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.

Tue, Dec 9 - Tue, Dec 9
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$69 Roundtrip, found 1 day ago
$69
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Dec 9 from Dallas-Fort Worth Intl. to Denver Intl., returning Tue, Dec 9, priced at $69 found 1 day ago
Mon, Nov 3 - Thu, Nov 6
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$79 Roundtrip, found 1 day ago
$79
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Nov 3 from Dallas-Fort Worth Intl. to Denver Intl., returning Thu, Nov 6, priced at $79 found 1 day ago
Tue, Nov 11 - Tue, Nov 11
ATL
Hartsfield-Jackson Atlanta Intl.
DEN
Denver Intl.
$84 Roundtrip, just found
$84
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Nov 11 from Hartsfield-Jackson Atlanta Intl. to Denver Intl., returning Tue, Nov 11, priced at $84 just found
Tue, Nov 18 - Tue, Nov 18
IAH
George Bush Intercontinental
DEN
Denver Intl.
$84 Roundtrip, found 10 hours ago
$84
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Tue, Nov 18 from George Bush Intercontinental to Denver Intl., returning Tue, Nov 18, priced at $84 found 10 hours ago
Wed, Nov 12 - Sat, Nov 15
ORD
O'Hare Intl.
DEN
Denver Intl.
$84 Roundtrip, found 2 hours ago
$84
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Wed, Nov 12 from O'Hare Intl. to Denver Intl., returning Sat, Nov 15, priced at $84 found 2 hours ago
Sat, Nov 8 - Mon, Nov 10
ATL
Hartsfield-Jackson Atlanta Intl.
DEN
Denver Intl.
$91 Roundtrip, found 16 hours ago
$91
Roundtrip
found 16 hours ago
Select Southwest Airlines flight, departing Sat, Nov 8 from Hartsfield-Jackson Atlanta Intl. to Denver Intl., returning Mon, Nov 10, priced at $91 found 16 hours ago
Sat, Nov 1 - Tue, Nov 4
ATL
Hartsfield-Jackson Atlanta Intl.
DEN
Denver Intl.
$103 Roundtrip, found 3 hours ago
$103
Roundtrip
found 3 hours ago
Select United flight, departing Sat, Nov 1 from Hartsfield-Jackson Atlanta Intl. to Denver Intl., returning Tue, Nov 4, priced at $103 found 3 hours ago
Wed, Oct 29 - Wed, Nov 5
JFK
John F. Kennedy Intl.
DEN
Denver Intl.
$126 Roundtrip, found 12 hours ago
$126
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Wed, Oct 29 from John F. Kennedy Intl. to Denver Intl., returning Wed, Nov 5, priced at $126 found 12 hours ago
OriginDestinationTravel DatesFlights From*
MSPDenverDecember 9 to December 13$66
PHXDenverNovember 5 to November 5$70
DFWDenverNovember 10 to November 15$77
LAXDenverOctober 28 to October 28$84
ATLDenverNovember 11 to November 11$84
ORDDenverNovember 12 to November 15$84
MIADenverDecember 4 to December 7$108
PHLDenverOctober 25 to October 31$122
JFKDenverNovember 12 to November 17$130
BOSDenverJanuary 9 to January 12$157
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
DFWDenverOctober 11 to October 17$169
LAXDenverOctober 11 to October 19$179
PHXDenverOctober 12 to October 15$181
ATLDenverOctober 11 to October 13$211
ORDDenverOctober 10 to October 11$213
LGADenverOctober 11 to October 21$232
MIADenverOctober 11 to October 13$232
MSPDenverOctober 10 to October 12$239
TTNDenverOctober 12 to October 31$274
BOSDenverOctober 10 to October 12$526
*Prices include taxes and fees

Best Boulder County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Hyatt Vacation Club at The Ranahan
4.0-star property

Hyatt Vacation Club at The Ranahan

Dec 13 - Dec 17

4 night stay

Dallas (DFW) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $976, price is now $511 per person
$511
per person
found 1 day ago
1107 American Way
3.0-star property

1107 American Way

Oct 17 - Oct 20

3 night stay

Dallas (DFW) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $1,091, price is now $528 per person
$528
per person
found 1 day ago
The Residences at Main Street Station, Breckenridge
4.0-star property

The Residences at Main Street Station, Breckenridge

Dec 13 - Dec 17

4 night stay

Dallas (DFW) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Price was $2,090, price is now $1,050 per person
$1,050
per person
found 1 day 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! (1,565 reviews)
"It’s always a pleasure to stay at Hotel Boulderado. Great atmosphere with friendly staff. The hotel is across the street from Pearl Street Mall. There are a lot of great choices for shopping and dining."

Reviewed on Oct 1, 2025

Opens in a new windowHotel 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! (1,411 reviews)
"Great place to stay and up to the La Quinta standard we've come to expect"

Reviewed on Sep 25, 2025

Opens in a new windowLa Quinta Inn & Suites by Wyndham Denver Boulder-Louisville
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! (1,015 reviews)
"This is the nicest, most comfortable Hilton Garden Inn that I have stayed in. Staff were terrific- they even found superglue to fix my glasses. Definitely return."

Reviewed on Sep 27, 2025

Opens in a new windowHilton Garden Inn Boulder
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Limelight Boulder

Limelight Boulder

4 out of 5
1295 University Ave, Boulder, CO
Stay at this 4-star family-friendly hotel in Boulder. Enjoy free WiFi, 2 bars/lounges, and a rooftop terrace. Popular attractions Folsom Field and Pearl Street Mall are located nearby.
9.8/10 Exceptional! (21 reviews)
"Really great experience all around! I will be staying here qgwin"

Reviewed on Sep 26, 2025

Opens in a new windowLimelight 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 $66. 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 $66. 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 $66 and $526 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.

Explore More Ways to Travel with Travelocity

Explore More Ways to Travel with Travelocity