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Boulder Flights as Low as $148

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Cheap Flights to Boulder

Fall in love at first flight with your vacation to Boulder by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to Boulder on Hotwire, and you’ll be up, up, and on a getaway in no time.

Because once the wheels are down in Boulder, the good times start rolling. So buckle up, you’re in for a fun ride.

Just the right flight

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Boulder with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.

So all you have to worry about is where you’re headed after the DEN airport.

Frequently Asked Questions About flights to Boulder

What is the cheapest month to fly to Boulder?

Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to Boulder are in October, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Boulder?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 15 to choose from for your flight to Boulder.

What airport is best to fly into Boulder?

When you’re planning your trip to Boulder, convenience is the name of the game. Luckily, Boulder Rocky Mountain Metropolitan Airport is nearby so you can deplane and get going on checking off everything on your Boulder must-do list.

How much are flights to Boulder?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Boulder on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $148, you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.

How to get cheap flights to Boulder?

The trick to saving a stack of cash on your flight to Boulder? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as $148 right now, why wait?

Can I fly to Boulder right now?

With recent COVID-19 closures and reopenings, many people are wondering, “Is it safe to travel to  right now?” When it’s time to book your flight, be sure to check out the most up-to-date information on all safety measures, any restrictions, and guidance on traveling during the coronavirus pandemic.

Boulder Flight Information
Destination AirportDenver Intl.
Destination Airport IATA CodeDEN
Airlines ServingAmerican Airlines, Delta, Frontier Airlines, JetBlue Airways, United
Number Of Airlines Serving5
Flight Price$168
Popular AirlineUnited

Last Minute Hotel Deals in Boulder

Millennium Harvest House Boulder
Millennium Harvest House Boulder
3 out of 5
1345 28th St, Boulder, CO, 80302
The price is $129 per night from Sep 5 to Sep 6
Stay at this 3-star business-friendly hotel in Boulder. Enjoy free WiFi, free parking, and a fitness center. Our guests praise the helpful staff and the comfy ...
2.9/5 (1,004 reviews)
"Great big bed. I slept really well. Everything you’d expect in the room. Communal areas were tired and not as clean as if expect - carpet in elevators dirty on both days."

Reviewed on Aug 15, 2022

Millennium Harvest House Boulder
Hotel Boulderado
Hotel Boulderado
3.5 out of 5
2115 13th St, Boulder, CO, 80302
The price is $182 per night from Aug 21 to Aug 22
Stay at this 3.5-star historic hotel in Boulder. Enjoy free WiFi, 2 restaurants, and breakfast. Our guests praise the breakfast and the restaurant in our reviews. ...
4.7/5 Exceptional! (1,003 reviews)
"We were in Boulder for college visits for out son. We stayed in the North Wing - First Floor 2 Queen Room No 125 so I can't speak for the historic rooms. Our room was nice and big enough for 2 adults and our son. It is a 3 Star Room so it is not amazing but clean and nice. The bathroom was big and ..."

Reviewed on Aug 15, 2022

Hotel Boulderado
Embassy Suites by Hilton Boulder
Embassy Suites by Hilton Boulder
3.5 out of 5
2601 Canyon Boulevard, Boulder, CO, 80302
The price is $178 per night from Aug 28 to Aug 29
Stay at this 3.5-star business-friendly hotel in Boulder. Enjoy free breakfast, free WiFi, and room service. Our guests praise the breakfast and the helpful ...
4.5/5 Wonderful! (795 reviews)
"The hotel was one of my best stays I was a bit disappointed with the size and also I felt like when I booked it I paid extra for a Mountain View room and didn’t get it,"

Reviewed on Aug 3, 2022

Embassy Suites by Hilton Boulder
Comfort Inn & Suites
Comfort Inn & Suites
2.5 out of 5
4777 North Broadway, Boulder, CO, 80304
The price is $161 per night from Aug 20 to Aug 21
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. Popular ...
4.1/5 Very Good! (449 reviews)
"Nice experience overall. The staff was nice, the bed was comfy, it was pretty quiet, and breakfast was good."

Reviewed on Aug 11, 2022

Comfort Inn & Suites
Hyatt Place Boulder/Pearl Street
Hyatt Place Boulder/Pearl Street
3 out of 5
2280 Junction Pl, Boulder, CO, 80301
The price is $163 per night from Aug 21 to Aug 22
Stay at this 3-star business-friendly hotel in Boulder. Enjoy free breakfast, free WiFi, and room service. Our guests praise the helpful staff and the clean ...
4.3/5 Excellent! (1,001 reviews)
"Nice place to stay"

Reviewed on Aug 6, 2022

Hyatt Place Boulder/Pearl Street
Hilton Garden Inn Boulder
Hilton Garden Inn Boulder
3 out of 5
2701 Canyon Boulevard, Boulder, CO, 80302
The price is $181 per night from Aug 28 to Aug 29
Stay at this 3-star business-friendly hotel in Boulder. Enjoy free WiFi, breakfast, and room service. Our guests praise the helpful staff and the comfy beds ...
4.5/5 Wonderful! (662 reviews)
"The room was spacious and very clean. Friendly service at the front desk and restaurant. Appreciated the free garage parking."

Reviewed on Jul 26, 2022

Hilton Garden Inn Boulder
Boulder University Inn
Boulder University Inn
2.5 out of 5
1632 Broadway, Boulder, CO, 80302
The price is $209 per night from Sep 15 to Sep 16
Stay at this business-friendly motel in Boulder. Enjoy free WiFi, free parking, and an outdoor pool. Our guests praise the helpful staff and the comfy beds in ...
4.3/5 Excellent! (617 reviews)
Will stay again
"Very nice clean room, excellent housekeeper"

Reviewed on Aug 13, 2022

Boulder University Inn
Boulder Adventure Lodge
Boulder Adventure Lodge
3 out of 5
91 Four Mile Canyon Drive, Boulder, CO, 80302
The price is $224 per night from Aug 21 to Aug 22
Stay at this 3-star lodge in Boulder. Enjoy free WiFi, free parking, and an outdoor pool. Our guests praise the helpful staff in our reviews. Popular attractions ...
4.2/5 Very Good! (681 reviews)
"Nice little motel with full fridge. Stove top and oven. Nice location. Kitchen sparsely stocked. No pan to fit in oven. Oven didn’t work. Few outlets didn’t work."

Reviewed on Aug 2, 2022

Boulder Adventure Lodge
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.