Cheap Flights to Boulder County from $49 (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.

Sat, Oct 18 - Sat, Oct 18
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$83 Roundtrip, found 4 days ago
$83
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Oct 18 from Dallas-Fort Worth Intl. to Denver Intl., returning Sat, Oct 18, priced at $83 found 4 days ago
Sat, Sep 20 - Sat, Sep 20
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$84 Roundtrip, found 4 days ago
$84
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Sep 20 from Dallas-Fort Worth Intl. to Denver Intl., returning Sat, Sep 20, priced at $84 found 4 days ago
Sun, Aug 31 - Tue, Sep 9
ORD
O'Hare Intl.
DEN
Denver Intl.
$90 Roundtrip, just found
$90
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Aug 31 from O'Hare Intl. to Denver Intl., returning Tue, Sep 9, priced at $90 just found
Wed, Sep 17 - Sat, Sep 20
ORD
O'Hare Intl.
DEN
Denver Intl.
$92 Roundtrip, just found
$92
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Sep 17 from O'Hare Intl. to Denver Intl., returning Sat, Sep 20, priced at $92 just found
Tue, Nov 11 - Tue, Nov 11
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$132 Roundtrip, found 1 hour ago
$132
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Tue, Nov 11 from Dallas-Fort Worth Intl. to Denver Intl., returning Tue, Nov 11, priced at $132 found 1 hour ago
Thu, Nov 13 - Fri, Nov 14
LGA
LaGuardia
DEN
Denver Intl.
$135 Roundtrip, found 22 hours ago
$135
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Thu, Nov 13 from LaGuardia to Denver Intl., returning Fri, Nov 14, priced at $135 found 22 hours ago
Tue, Nov 11 - Tue, Nov 11
DAL
Love Field
DEN
Denver Intl.
$137 Roundtrip, found 1 hour ago
$137
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Tue, Nov 11 from Love Field to Denver Intl., returning Tue, Nov 11, priced at $137 found 1 hour ago
Wed, Oct 22 - Sat, Oct 25
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$137 Roundtrip, found 14 hours ago
$137
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Oct 22 from Dallas-Fort Worth Intl. to Denver Intl., returning Sat, Oct 25, priced at $137 found 14 hours ago
OriginDestinationTravel DatesFlights From*
ATLDenverNovember 1 to November 1$57
PHXDenverNovember 4 to November 8$61
MSPDenverNovember 1 to November 8$61
LAXDenverSeptember 23 to September 30$62
MIADenverSeptember 20 to September 24$62
LGADenverOctober 14 to October 18$63
ORDDenverOctober 14 to October 18$74
DFWDenverNovember 11 to November 11$88
PHLDenverNovember 1 to November 5$102
BOSDenverNovember 15 to November 16$171
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
PHXDenverAugust 24 to August 28$163
LAXDenverAugust 24 to August 27$174
LGADenverAugust 23 to September 15$176
MIADenverAugust 23 to August 27$199
TTNDenverAugust 22 to September 5$200
ORDDenverAugust 24 to August 28$204
ATLDenverAugust 22 to August 25$214
MSPDenverAugust 23 to August 24$215
DFWDenverAugust 23 to August 24$230
BOSDenverAugust 22 to August 25$292
*Prices include taxes and fees

Best Boulder County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Glenwood Springs Inn
2.0-star property

Glenwood Springs Inn

Oct 28 - Nov 1

4 night stay

Atlanta (ATL) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $437, price is now $226 per person
$226
per person
found 1 day ago
Hyatt Vacation Club at The Ranahan
4.0-star property

Hyatt Vacation Club at The Ranahan

Nov 15 - Nov 18

3 night stay

Atlanta (ATL) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $441, price is now $240 per person
$240
per person
found 1 day ago
Hotel Polaris
4.5-star property

Hotel Polaris

Nov 10 - Nov 13

3 night stay

Atlanta (ATL) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $505, price is now $286 per person
$286
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

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! (1,503 reviews)
"My favorite place to stay in Boulder!!!"

Reviewed on Aug 17, 2025

Hotel Boulderado
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 breakfast, free WiFi, 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.
8.6/10 Excellent! (1,015 reviews)
"Bed comfortable. Happy hour was nice."

Reviewed on Aug 12, 2025

Hyatt Place Boulder/Pearl Street
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! (1,357 reviews)
"The location was great for our needs. The staff were friendly and it was nice to have a pool."

Reviewed on Aug 18, 2025

La Quinta Inn & Suites by Wyndham Denver Boulder-Louisville
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Moxy Boulder

Moxy Boulder

3.5 out of 5
1247 Pleasant Street, Boulder, CO
Stay at this 3.5-star hotel in Boulder. Enjoy free WiFi, a rooftop terrace, and breakfast (surcharge). Popular attractions Folsom Field and Pearl Street Mall are located nearby.
9/10 Wonderful! (239 reviews)
"The property was clean and quiet. The bedding and mattress were rather uncomfortable. Some staff were really friendly and nice others seemed to just tolerate guests."

Reviewed on Aug 5, 2025

Moxy 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 $57. 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 October. 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 $57. 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 $57 and $292 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.