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Boulder

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Boulder Flights as Low as $90

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Frontier Airlines
Tue, Oct 21 - Wed, Oct 22
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$90 Roundtrip, found 16 hours ago
$90
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Tue, Oct 21 from Minneapolis - St. Paul Intl. to Denver Intl., returning Wed, Oct 22, priced at $90 found 16 hours ago
Frontier Airlines
Tue, Oct 21 - Tue, Oct 28
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$95 Roundtrip, found 2 days ago
$95
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Oct 21 from Minneapolis - St. Paul Intl. to Denver Intl., returning Tue, Oct 28, priced at $95 found 2 days ago
Frontier Airlines
Tue, Oct 21 - Wed, Oct 22
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$95 Roundtrip, found 16 hours ago
$95
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Tue, Oct 21 from Minneapolis - St. Paul Intl. to Denver Intl., returning Wed, Oct 22, priced at $95 found 16 hours ago
Frontier Airlines
Sat, Oct 18 - Wed, Oct 22
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$98 Roundtrip, found 1 day ago
$98
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Oct 18 from Minneapolis - St. Paul Intl. to Denver Intl., returning Wed, Oct 22, priced at $98 found 1 day ago
Frontier Airlines
Fri, Oct 24 - Tue, Oct 28
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$100 Roundtrip, found 2 days ago
$100
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Oct 24 from Minneapolis - St. Paul Intl. to Denver Intl., returning Tue, Oct 28, priced at $100 found 2 days ago
Frontier Airlines
Thu, Oct 30 - Wed, Nov 5
ORD
O'Hare Intl.
DEN
Denver Intl.
$104 Roundtrip, found 20 hours ago
$104
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Thu, Oct 30 from O'Hare Intl. to Denver Intl., returning Wed, Nov 5, priced at $104 found 20 hours ago
Frontier Airlines
Fri, Oct 31 - Wed, Nov 5
ORD
O'Hare Intl.
DEN
Denver Intl.
$105 Roundtrip, found 21 hours ago
$105
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Fri, Oct 31 from O'Hare Intl. to Denver Intl., returning Wed, Nov 5, priced at $105 found 21 hours ago
Frontier Airlines
Sat, Oct 18 - Tue, Oct 21
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$106 Roundtrip, found 1 day ago
$106
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Oct 18 from Minneapolis - St. Paul Intl. to Denver Intl., returning Tue, Oct 21, priced at $106 found 1 day ago
Frontier Airlines
Sat, Aug 30 - Sat, Sep 6
LGA
LaGuardia
DEN
Denver Intl.
$131 Roundtrip, found 1 day ago
$131
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Aug 30 from LaGuardia to Denver Intl., returning Sat, Sep 6, priced at $131 found 1 day ago
United
Tue, Oct 21 - Wed, Oct 22
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$140 Roundtrip, found 16 hours ago
$140
Roundtrip
found 16 hours ago
Select United flight, departing Tue, Oct 21 from Minneapolis - St. Paul Intl. to Denver Intl., returning Wed, Oct 22, priced at $140 found 16 hours ago
Delta
Tue, Oct 21 - Wed, Oct 22
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$140 Roundtrip, found 16 hours ago
$140
Roundtrip
found 16 hours ago
Select Delta flight, departing Tue, Oct 21 from Minneapolis - St. Paul Intl. to Denver Intl., returning Wed, Oct 22, priced at $140 found 16 hours ago
American Airlines
Wed, Oct 15 - Wed, Oct 15
ORD
O'Hare Intl.
DEN
Denver Intl.
$155 Roundtrip, found 8 hours ago
$155
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Wed, Oct 15 from O'Hare Intl. to Denver Intl., returning Wed, Oct 15, priced at $155 found 8 hours ago
Sun Country Airlines
Thu, Sep 4 - Mon, Sep 8
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$159 Roundtrip, found 9 hours ago
$159
Roundtrip
found 9 hours ago
Select Sun Country Airlines flight, departing Thu, Sep 4 from Minneapolis - St. Paul Intl. to Denver Intl., returning Mon, Sep 8, priced at $159 found 9 hours ago
Frontier Airlines
Wed, Oct 8 - Wed, Oct 15
JFK
John F. Kennedy Intl.
DEN
Denver Intl.
$160 Roundtrip, found 19 hours ago
$160
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Wed, Oct 8 from John F. Kennedy Intl. to Denver Intl., returning Wed, Oct 15, priced at $160 found 19 hours ago
Frontier Airlines
Wed, Oct 22 - Sat, Oct 25
EWR
Newark Liberty Intl. Airport
DEN
Denver Intl.
$179 Roundtrip, found 6 hours ago
$179
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Wed, Oct 22 from Newark Liberty Intl. Airport to Denver Intl., returning Sat, Oct 25, priced at $179 found 6 hours ago
JetBlue Airways
Wed, Oct 8 - Wed, Oct 15
JFK
John F. Kennedy Intl.
DEN
Denver Intl.
$293 Roundtrip, found 19 hours ago
$293
Roundtrip
found 19 hours ago
Select JetBlue Airways flight, departing Wed, Oct 8 from John F. Kennedy Intl. to Denver Intl., returning Wed, Oct 15, priced at $293 found 19 hours ago

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.

Frequently Asked Questions About flights to Boulder

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.

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 16 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 $90, 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 $90 right now, why wait?

Boulder Flight Information
Destination airport
Denver Intl.
Destination airport IATA code
DEN
Roundtrip price
$102

Last Minute Hotel Deals in Boulder

Hotel Boulderado

Hotel Boulderado

3.5 out of 5
2115 13th St, Boulder, CO
Stay at this 3.5-star historic hotel in Boulder. Enjoy free WiFi, 2 restaurants, and breakfast (surcharge). Our guests praise the restaurant and the bar in our ...
9.4/10 Exceptional! (1,509 reviews)
"Great accessible for disabled guests. Great staff"

Reviewed on Aug 22, 2025

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Hotel Boulderado
Hyatt Place Boulder/Pearl Street

Hyatt Place Boulder/Pearl Street

3 out of 5
2280 Junction Pl, Boulder, CO
Stay at this 3-star business-friendly hotel in Boulder. Enjoy free breakfast, free WiFi, and room service. Our guests praise the breakfast and the helpful staff ...
8.6/10 Excellent! (1,016 reviews)
"The staff is so friendly and helpful - room nice - but the website needs to change the verbiage re "it is in downtown Boulder" It is not -"

Reviewed on Aug 21, 2025

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Hyatt Place Boulder/Pearl Street
Moxy Boulder

Moxy Boulder

3.5 out of 5
1247 Pleasant Street, Boulder, CO
Stay at this 3.5-star hotel in Boulder. Enjoy free WiFi, a rooftop terrace, and breakfast (surcharge). Popular attractions Folsom Field and Pearl Street Mall ...
9/10 Wonderful! (246 reviews)
"The property was clean and quiet. The bedding and mattress were rather uncomfortable. Some staff were really friendly and nice others seemed to just tolerate guests."

Reviewed on Aug 5, 2025

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Moxy Boulder
Hilton Garden Inn Boulder

Hilton Garden Inn Boulder

3 out of 5
2701 Canyon Boulevard, Boulder, CO
Stay at this 3-star spa hotel in Boulder. Enjoy free WiFi, a full-service spa, and breakfast (surcharge). Our guests praise the helpful staff in our reviews. ...
9/10 Wonderful! (1,003 reviews)
Drop off at Boulder
"Very close to campus. The hotel was great. We were able to get in and out easily with all the luggage."

Reviewed on Aug 20, 2025

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Hilton Garden Inn Boulder
Basecamp Boulder

Basecamp Boulder

3.5 out of 5
2020 Arapahoe Ave, Boulder, CO
Stay at this 3.5-star business-friendly motel in Boulder. Enjoy free WiFi, free parking, and a 24-hour fitness center. Our guests praise the bar and the helpful ...
8.6/10 Excellent! (1,001 reviews)
"Great stay!"

Reviewed on Aug 21, 2025

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Basecamp Boulder
Embassy Suites by Hilton Boulder

Embassy Suites by Hilton Boulder

4 out of 5
2601 Canyon Boulevard, Boulder, CO
Stay at this 4-star business-friendly hotel in Boulder. Enjoy free breakfast, free WiFi, and room service. Our guests praise the helpful staff in our reviews. ...
9/10 Wonderful! (1,001 reviews)
"The staff was exceptional in being nice. Little things like making sure I got elevator first. Little things but they make enjoyable stay."

Reviewed on Aug 20, 2025

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Embassy Suites by Hilton Boulder
Comfort Inn & Suites Boulder

Comfort Inn & Suites Boulder

3 out of 5
4777 North Broadway, Boulder, CO
Stay at this 3-star business-friendly hotel in Boulder. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
8.4/10 Very Good! (833 reviews)
good
"not much the breakfast buffet was decent"

Reviewed on Aug 7, 2025

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Comfort Inn & Suites Boulder
A-Lodge Boulder

A-Lodge Boulder

3 out of 5
91 Four Mile Canyon Drive, Boulder, CO
Stay at this 3-star lodge in Boulder. Enjoy free WiFi, free parking, and an outdoor pool. Our guests praise the helpful staff and the clean rooms in our reviews. ...
8.8/10 Excellent! (1,003 reviews)
"Just as advertised"

Reviewed on Aug 20, 2025

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A-Lodge Boulder
See all 1,148 properties in 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.