Cheap Flights from Salt Lake City (SLC) to Boulder (WBU)

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Find available prices by choosing your travel dates.
Flights from Salt Lake City (SLC) to Boulder (WBU)
Origin airport
Salt Lake City Intl.
Destination airport
Boulder Municipal
Distance
358 mi

Salt Lake City to Boulder Flights

The cheapest times to fly from Salt Lake City to Boulder

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Salt Lake City to Boulder are during the month of . You can find some of the cheapest flights from Salt Lake City to Boulder with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Salt Lake City to Boulder

Sunday is one of the best days to book for cheap flights from Salt Lake City to Boulder: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Salt Lake City to Boulder

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Salt Lake City to Boulder in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Salt Lake City to Boulder flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Salt Lake City to Boulder airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

Is it cheaper to buy a plane ticket from Salt Lake City Intl. Airport (SLC) to WBU last minute?
When it’s time to book your flights, it’s always better to be prepared. While you could pick up a deal on a SLC to WBU flight at the last minute, prices usually don’t get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days in advance. For international flights it’s three to four months.
What airports do you fly into for Boulder from Salt Lake City?
With Boulder, CO (WBU-Boulder Municipal), Denver Intl. Airport (DEN) and Broomfield, CO (BJC-Rocky Mountain Metropolitan) to choose from, traveling from Salt Lake City to Boulder is no sweat. The city’s main terminal, Boulder, CO (WBU-Boulder Municipal), is around 3 mi northeast of the downtown area. Along with the price of tickets, consider things like train or bus options from the airport and the distance to your hotel before deciding where you’ll get off the plane. Get your Boulder trip off to a fun start by visiting University of Colorado Boulder and Folsom Field.
Can I change the date of my flight from Salt Lake City Intl. Airport to WBU?
Easily make changes to your Salt Lake City Intl. Airport (SLC) to WBU flight via the Expedia Trips portal. But before doing so, read over the fare rules in your itinerary to learn what the airline will allow you to do and if fees apply. Some airlines charge a change fee per person, on top of any difference in prices. But if you booked in the last 24 hours, you may be able to cancel for free and book new flights. You can also stop by our Customer Service portal for more advice and to chat with our Virtual Agent.

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