Cheap Flights to Boulder from $44

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How Much Does it Cost To Fly To Boulder?

The cheapest prices found with in the last 7 days for return flights were $129 and $44 for one-way flights to Boulder for the period specified. Prices and availability are subject to change. Additional terms apply

OriginDestinationTravel DatesFlights From*
STLDenverJune 7 to June 14$129
LAXDenverJuly 4 to July 11$134
SJCDenverJuly 27 to July 31$160
LGADenverJune 1 to June 10$186
CLDDenverMay 27 to May 31$217
SDFDenverJuly 16 to July 30$284
LAXLovelandJune 26 to June 29$317
STLLovelandJune 5 to June 10$646
ITODenverMay 14 to May 21$724
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
LAXDenverMay 3 to May 6$191
STLDenverMay 4 to May 8$272
LGADenverMay 4 to May 20$317
SJCDenverMay 2 to May 4$446
CLDDenverMay 4 to May 6$487
*Prices include taxes and fees

Boulder Flight Information

Traveling to
Boulder
Lowest Price
$129
Number of Airlines Serving
Airlines Serving
Sun Country Airlines, Frontier Airlines
Number of Daily Flights
Airlines with Direct Flights

Find The Perfect Hotel For After Your Flight

Amazing Boulder Accommodation Deals

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
The price is $72 per night from May 13 to May 14
$72
includes taxes & fees
$65 per night
May 13 - May 14
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 ...
7.8/10 Good! (1,001 reviews)
"Inexpensive, convient, close to relative, clean"

Reviewed on Mar 31, 2025

Super 8 by Wyndham Longmont/Twin Peaks
Fairfield Inn & Suites by Marriott Boulder

Fairfield Inn & Suites by Marriott Boulder

2.5 out of 5
5397 South Boulder Road, Boulder, CO
The price is $134 per night from May 1 to May 2
$134
includes taxes & fees
$119 per night
May 1 - May 2
Book a stay at this business-friendly hotel in Boulder. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. ...
9.2/10 Wonderful! (241 reviews)
"Great location. Close to all the action, yet quiet. Staff was friendly and kind. Parking is easy and convenient."

Reviewed on Apr 27, 2025

Fairfield Inn & Suites by Marriott Boulder
The Boulder Broker

The Boulder Broker

3.5 out of 5
555 30th Street, Boulder, CO
The price is $157 per night from May 11 to May 12
$157
includes taxes & fees
$139 per night
May 11 - May 12
Book a stay at this business-friendly hotel in Boulder. Enjoy free WiFi, free parking, and an outdoor pool. Our guests praise the helpful staff in our reviews. ...
6.6/10 (1,000 reviews)
"Nice"

Reviewed on Apr 6, 2025

The Boulder Broker
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Harvest House Boulder

Harvest House Boulder

2.5 out of 5
1345 28th St, Boulder, CO
Book a stay at this spa hotel in Boulder. Enjoy free parking, a full-service spa, and a fitness center. Our guests praise the helpful staff and the clean rooms ...
"There was no hot water, couldn't take a shower and they wouldn't do anything about it. Had to get a completely different hotel"

Reviewed on Oct 20, 2023

Harvest House 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.

Luxury Hotels in Boulder

St Julien Hotel And Spa

St Julien Hotel And Spa

5 out of 5
900 Walnut Street, Boulder, CO
Stay at this 5-star luxury hotel in Boulder. Enjoy free WiFi, a full-service spa, and 2 bars/lounges. Popular attractions Pearl Street Mall and Folsom Field ...
9.4/10 Exceptional! (509 reviews)
Best of Boulder
"Love this place!"

Reviewed on Apr 28, 2021

St Julien Hotel And Spa
Omni Interlocken

Omni Interlocken

4 out of 5
500 Interlocken Blvd, Broomfield, CO
The price is $220 per night from May 23 to May 24
$220
includes taxes & fees
$200 per night
May 23 - May 24
Stay at this 4-star spa resort in Broomfield. Enjoy free WiFi, free parking, and 2 outdoor pools. Our guests praise the breakfast and the pool in our reviews. ...
8.8/10 Excellent! (1,001 reviews)
"We had an amazing time at the Omni. Food was great. Service was exceptional. Very clean. Will definitely be back."

Reviewed on Apr 29, 2025

Omni Interlocken
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
The price is $72 per night from May 13 to May 14
$72
includes taxes & fees
$65 per night
May 13 - May 14
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 ...
7.8/10 Good! (1,001 reviews)
"Inexpensive, convient, close to relative, clean"

Reviewed on Mar 31, 2025

Super 8 by Wyndham Longmont/Twin Peaks
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Renaissance Boulder FlatIron Hotel

Renaissance Boulder FlatIron Hotel

4 out of 5
500 Flatiron Blvd, Broomfield, CO
The price is $148 per night from May 4 to May 5
$148
includes taxes & fees
$135 per night
May 4 - May 5
Stay at this 4-star business-friendly hotel in Broomfield. Enjoy free parking, breakfast (surcharge), and a free area shuttle. Our guests praise the helpful ...
8.6/10 Excellent! (1,000 reviews)
"Was a great stay for the price we got it for!"

Reviewed on Apr 28, 2025

Renaissance Boulder FlatIron Hotel
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.

Family Friendly Hotels in Boulder

Omni Interlocken

Omni Interlocken

4 out of 5
500 Interlocken Blvd, Broomfield, CO
The price is $220 per night from May 23 to May 24
$220
includes taxes & fees
$200 per night
May 23 - May 24
Stay at this 4-star spa resort in Broomfield. Enjoy free WiFi, free parking, and 2 outdoor pools. Our guests praise the breakfast and the pool in our reviews. ...
8.8/10 Excellent! (1,001 reviews)
"We had an amazing time at the Omni. Food was great. Service was exceptional. Very clean. Will definitely be back."

Reviewed on Apr 29, 2025

Omni Interlocken
Boulder Twin Lakes Inn

Boulder Twin Lakes Inn

2.5 out of 5
6485 Twin Lakes Road, Boulder, CO
The price is $116 per night from May 1 to May 2
$116
includes taxes & fees
$110 per night
May 1 - May 2
Book a stay at this business-friendly hotel in Boulder. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
8.4/10 Very Good! (936 reviews)
"This hotel is in a gorgeous residential area! Homes, families and nature surrounds versus heavily trafficked roads. Twin Lakes is just a short walk away and a great place for leisurely strolls and a large dog leash free area around one of the reservoirs for those with pets! Hotel itself was undergoing ..."

Reviewed on Apr 28, 2025

Boulder Twin Lakes Inn
Residence Inn By Marriott Boulder

Residence Inn By Marriott Boulder

3 out of 5
3030 Center Green Dr, Boulder, CO
The price is $146 per night from May 27 to May 28
$146
includes taxes & fees
$127 per night
May 27 - May 28
Stay at this 3-star business-friendly hotel in Boulder. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. ...
9/10 Wonderful! (500 reviews)
"Very comfortable and enjoyable space!"

Reviewed on Apr 17, 2025

Residence Inn By Marriott Boulder
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Best Western Plus Boulder Louisville

Best Western Plus Boulder Louisville

2.5 out of 5
960 W Dillon Rd, Louisville, CO
The price is $100 per night from May 1 to May 2
$100
includes taxes & fees
$89 per night
May 1 - May 2
Book a stay at this business-friendly hotel in Louisville. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
9.2/10 Wonderful! (1,005 reviews)
"Great"

Reviewed on Apr 26, 2025

Best Western Plus Boulder Louisville
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.

Best Boulder Flight and Hotel Packages

Boulder flight + hotel packages - economy flights

Price found within the past 48 hours. Click for updated prices.
Holiday Inn Denver East by IHG
Hotel Polaris
Hyatt Vacation Club at The Ranahan
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Boulder flight + hotel packages - first class flights

Price found within the past 48 hours. Click for updated prices.
The Maven Hotel at Dairy Block
The Crawford Hotel
Colorado Chautauqua
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See all available trips from Phoenix to Boulder
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Need a Car For After Your Flight?

Lowest prices found within the past 9 hours. Prices and availability subject to change. Additional terms may apply.

Plane Tickets To Boulder

Although you may try and resist the urge, you know that when the travel bug comes, there is only one way to get rid of it. Thankfully, Travelocity is here to help nip that travel bug in the bud with great deals on flights to Boulder. Browse through our inventory to explore a wide range of cheap flights to Boulder to solidify your next big trip out of town. Whether you are heading out on a business trip, exploring a place you have never been for pleasure or are bringing the family on the annual vacation, we have the perfect getaway waiting for you. In no time, you will be day dreaming of your plane landing in Boulder as you anxiously await to exit the plane and explore what Boulder has to offer. Considering all the amazing local food and culture in Boulder, we won't hold this against you.

When you are ready to embark on your next big adventure, Travelocity will be right here waiting to open the doors to the garden so that you can go and smell the roses. When you decide to book and travel is entirely up to you, but don't wait too long because we have some of the best deals on the web and they won't last long. Take time to go through our huge selection of cheap flights to Boulder to find the best deals that fit into your budget. If browsing on your phone while your boss isn't looking is more your thing (we promise we won't tell), consider checking out Travelocity's mobile app which allows you to take advantage of all our flights to Boulder without having to compromise your work computer's search history. If you are looking to save even more, you can easily save up to $537 when you bundle one of our cheap flights to Boulder with one of our hotels. So why are you waiting around? There is no better time than now to start booking that next trip. Start your search now to book one of our flights to Boulder today!

*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.