Cheap Flights to Boulder , UT

Popular airlines to Boulder

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Find Your Flights to Boulder null

Cheap flights to Boulder (null)

Get started finding a cheap flight to Boulder on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

We recommend using the ‘Flexible Dates’ calendar at the top of the page to see the price of plane tickets on the surrounding dates. This allows you to pick the cheapest days to fly if your trip allows flexibility and score cheap flight deals to Boulder.

Roundtrip prices range from - , and one-ways to Boulder start as low as .

Be aware that choosing a non-stop flight can sometimes be more expensive while saving you time. And routes with connections may be available at a cheaper rate.

Airlines that fly to Boulder (null)

You have several options for which airline you choose to travel with to Boulder. There are airlines flying into null: . 

Cheap plane tickets may be available from different airlines at different times and with unique terms. It’s best to understand the details of each airline’s offer before judging its value.

For example, if you plan to check a bag or bring a carry-on, check whether the cheap airfare deal includes a baggage allowance. If not, verify whether the baggage fee is higher than the difference of other airline plane ticket deals offering free checked/carry-on baggage in exchange for a slightly higher airfare. 

Find the best deals

At Expedia, we source many flight deals from multiple providers, so you can easily find the best deals that are right for you. A great strategy for getting the best deals can be to make sure you book and travel at the optimal times. Airfare to Boulder (null) varies throughout the year based on seasonal demand. You’ll see the lowest rates for roundtrips to null in and in for one-ways.

Cancellation & flexibility

To change or cancel eligible flights, go to ‘My Trips’ and navigate to your itinerary. If you booked within the last 24-hours, you might be able to cancel your flight for free. Learn more about flight changes or cancellations from our customer service portal. Some plane tickets are available with no change fees, which you can filter for during your search.

 

Frequently asked questions

How do I find cheap flights to Boulder that have flexible change policies?
By using our helpful "No change fee" filter, that's how. Just enter your origin, destination and travel dates, click "Search," then mark the checkbox underneath the "Flexible change policies" heading (it's on the left of your screen). Expedia makes it a snap to find low-cost, flexible fares to Boulder.
Which airlines fly to Boulder?
There are two popular airlines that fly into or near Boulder. Pack your bags and lock in a fare with either of these:

  • Delta Air Lines - 6,108 flights to or near Boulder each month, including 6,108 flights to Salt Lake City Intl. Airport (SLC) per month.
  • United Airlines - 603 flights to or near Boulder each month, including 603 flights to Salt Lake City Intl. Airport (SLC) per month.

How can I find cheap tickets to Boulder?
Book in advance, fly with budget airlines, avoid school vacation time — there's no shortage of ways! One more is to make the most of Expedia's "flexible dates" function. Search for a Boulder flight, then compare the prices for nearby dates. In the last seven days, the best price for a flight to Boulder was .
How much is a flight to Boulder?
The cost of a round-trip ticket to Boulder in the last seven days fluctuated between and . If you were heading one way from (), you could have nabbed a cheap fare from just .
What are the most popular airports to fly into in Boulder?
Which of these Boulder airports you'll land at will depend on your chosen airline and where you're headed in the region:

  • Salt Lake City Intl. Airport (SLC) - 8,908 flights per month.
  • Page Municipal Airport (PGA) - 91 flights per month.

When is the cheapest time to fly to Boulder?
Jet off early on in the week to bag the best fare to Boulder. Tuesday is commonly the cheapest day to depart, followed by Monday. Saturday typically has the most expensive ticket prices. This is because many people prefer to start their vacation on a weekend.
How much is a plane ticket to Boulder?
In the last seven days, flights to Boulder ranged from to .
What months are the cheapest to book a flight to Boulder?
February is the most affordable month to purchase a seat for your Boulder trip. Fares are at their most expensive throughout December, so keep clear of this time if you can.
How long is a flight to Boulder?
It could take you a couple of hours or more — it really depends on which part of the U.S. You're flying from. The average flight times for these top domestic routes to Boulder will give you a better idea of what to expect:

  • Denver, CO (DEN-Denver Intl.) to Salt Lake City Intl. Airport (SLC) - 1 hour and 39 minutes
  • Phoenix, AZ (PHX-Sky Harbor Intl.) to Salt Lake City Intl. Airport (SLC) - 1 hour and 51 minutes
  • Los Angeles, CA (LAX-Los Angeles Intl.) to Salt Lake City Intl. Airport (SLC) - 1 hour and 54 minutes

Flights to Boulder information
Destination airport
Boulder