Cheap Flight Deals to Boulder CO from CA $136

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How to find cheap flights to Boulder?

The cheapest prices found with in the last 7 days for return flights were CA $281 and CA $136 for one-way flights to Boulder for the period specified. Prices and availability are subject to change. Additional terms apply

OriginDestinationTravel datesFlights from*
CLDDenverJuly 8 to July 15CA $301
JFKDenverAugust 16 to August 21CA $305
LAXDenverSeptember 12 to September 15CA $329
SJCDenverJuly 10 to July 13CA $514
*Prices include taxes and fees
OriginDestinationTravel datesFlights from*
LAXDenverJune 21 to June 23CA $667
*Prices include taxes and fees

Your guide to flights to Boulder, CO

WestJet fly to Boulder, so use Travelocity to search, find, and compare some truly tempting deals from the 2 airlines—that way you can be sure you’ve found the best deal for you. A flight to Boulder CO currently costs between CA $281 and CA $667. Prices vary, but for the best fares, travel in August when prices are at their lowest.  

Top tips for finding cheap flights to Boulder  

The cheapest flight for a round trip to Boulder is currently CA $281. When you search for flights to Boulder, enter your preferred travel dates then click on ‘flexible dates’ to compare cheap flight tickets to Boulder for nearby days.  The cheapest month to travel to Boulder is August from our list of deals available.  

But if you’re flexible about when you travel, you can find great deals on flights across the year. If you’re planning a vacation, you can save more on Travelocity when you bundle flights with car rental and hotel bookings, too. Many airlines currently offer flexible booking options, so look for flights offering no change fees.   

How to cancel flights to Boulder 

We know plans change, that’s why at Travelocity, we make it as easy as possible for you to cancel or amend your plane tickets. Go to My Trips, enter your itinerary number, then follow the instructions. Many airlines let you cancel flights online free of charge if you booked it in the last 24 hours. Visit Customer Service for more advice.  

Why you should book your flight to Boulder with Travelocity 

We have top deals on plane tickets even for last minute flights to Boulder, so you can simply type in your travel dates and compare our best prices. Booking with Travelocity means you get flexible cancellation options, 24/7 support, and, thanks to our Price Match Promise, if the airfare drops after you book, you can get a refund! Whether you’re planning a business trip, weekend getaway, or a family vacation—let Travelocity get you to Boulder for less. 

Find The Perfect Hotel For After Your Flight

Amazing Place to Stay After Flight to Boulder

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 ...
7.8/10 Good! (1,001 reviews)
"The night front desk clerk was awesome. Hotel is directly across from walmart and close to many food places. Breakfast was standard not alot of choices. Room was clean and hotel is quiet. Only thing I was unhappy about is when my key card demagnitized I was able to get a new one without showing ID ..."

Reviewed on Jun. 11, 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
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! (255 reviews)
"Nice room, updated decor, quiet. Breakfast was excellent"

Reviewed on Jun. 9, 2025

Fairfield Inn & Suites by Marriott Boulder
The Boulder Broker

The Boulder Broker

3.5 out of 5
555 30th Street, Boulder, CO
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 (1,001 reviews)
"I love this old school hotel. It's so interesting and fun compared to bland, so-called "updated" (read soulless and boring) hotels. FYI there's excellent coffee downstairs in the mornings and the rooms are quiet and comfortable. Friendly, interesting staff to talk to. I hope to go back to Boulder ..."

Reviewed on Jun. 11, 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 ...
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
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! (1,000 reviews)
"Wonderful resort with extremely friendly staff, the restaurants have great food and the pool was amazing!! We enjoyed our stay!!"

Reviewed on Jun. 9, 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
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)
"The night front desk clerk was awesome. Hotel is directly across from walmart and close to many food places. Breakfast was standard not alot of choices. Room was clean and hotel is quiet. Only thing I was unhappy about is when my key card demagnitized I was able to get a new one without showing ID ..."

Reviewed on Jun. 11, 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
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! (1,001 reviews)
"A really nice place to stay! No issues at all."

Reviewed on May 19, 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
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! (1,000 reviews)
"Wonderful resort with extremely friendly staff, the restaurants have great food and the pool was amazing!! We enjoyed our stay!!"

Reviewed on Jun. 9, 2025

Omni Interlocken
Boulder Twin Lakes Inn

Boulder Twin Lakes Inn

2.5 out of 5
6485 Twin Lakes Road, Boulder, CO
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! (947 reviews)
"Very flexibleAbout checking in early, very pleasant staff. Very flexible about switching rooms."

Reviewed on Jun. 2, 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
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! (507 reviews)
"Our room was spacious and clean. We liked having the kitchenette. The outdoor space, pool area and sport court was a bonus. Breakfast was excellent with many choices, meat, eggs, cereal, yogurt, oatmeal , sweets, pancakes. I would stay here again."

Reviewed on Jun. 7, 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
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! (1,000 reviews)
"Good place only complaint was scrambled eggs only for 6 straight days. Need to change the breakfast menu,"

Reviewed on Jun. 10, 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.
The Maven Hotel at Dairy Block
Patterson Inn
Hotel Polaris
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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.