$157 Cheap flight deals from Louisville (SDF) to Boulder (DEN)

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This Weekend's Flight Deals from Louisville to Boulder

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Dec 20 - Wed, Jan 7
LEX
Blue Grass
DEN
Denver Intl.
$324 Roundtrip, found 5 days ago
$324
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Dec 20 from Blue Grass to Denver Intl., returning Wed, Jan 7, priced at $324 found 5 days ago

Airfares from $157 One Way, $232 Round Trip from Louisville to Boulder

Prices starting at $232 for return flights and $157 for one-way flights to Boulder were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jan 8 - Tue, Jan 13
LEX
Lexington
DEN
Denver
$232 Roundtrip, found 2 days ago
$232
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jan 8 from Lexington to Denver, returning Tue, Jan 13, priced at $232 found 2 days ago
Tue, May 26 - Wed, Jun 3
LEX
Lexington
DEN
Denver
$239 Roundtrip, found 5 days ago
$239
Roundtrip
found 5 days ago
Select United flight, departing Tue, May 26 from Lexington to Denver, returning Wed, Jun 3, priced at $239 found 5 days ago
Thu, Jan 8 - Tue, Jan 13
LEX
Lexington
DEN
Denver
$242 Roundtrip, found 2 days ago
$242
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jan 8 from Lexington to Denver, returning Tue, Jan 13, priced at $242 found 2 days ago
Sun, Mar 15 - Tue, Mar 31
LEX
Lexington
DEN
Denver
$249 Roundtrip, found 2 days ago
$249
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Mar 15 from Lexington to Denver, returning Tue, Mar 31, priced at $249 found 2 days ago
Fri, May 29 - Sat, May 30
LEX
Lexington
DEN
Denver
$250 Roundtrip, found 5 days ago
$250
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, May 29 from Lexington to Denver, returning Sat, May 30, priced at $250 found 5 days ago

Boulder economy flight packages

Price found within the past 48 hours. Click for updated prices.
The Sebastian - Vail
4.5-star property

The Sebastian - Vail

9.2/10 Wonderful! (1,001 reviews)

Jan 22 - Jan 26

4 night stay

Louisville (SDF) to Denver (DEN)

Southwest Airlines • Coach

Denver (DEN) to Louisville (SDF)

American Airlines • Coach
Save 100% on your flight
Price was $2,644, price is now $1,710 per person
$1,710
per person
found 1 day ago
Staff were all very friendly, welcoming and helpful. Great location in the heart of the village. The beds and pillows were very comfortable and the hot tubs/pool were fantastic. Great stay!

Reviewed on Oct 1, 2023

The Gant
4.0-star property

The Gant

9.4/10 Exceptional! (934 reviews)

Jan 23 - Jan 26

3 night stay

Louisville (SDF) to Denver (DEN)

Southwest Airlines • Coach

Denver (DEN) to Louisville (SDF)

American Airlines • Coach
Save 100% on your flight
Price was $2,996, price is now $2,130 per person
$2,130
per person
found 1 day ago
I spent a week here. I look forward to returning again.

Reviewed on Oct 6, 2024

Lodge at Vail Condominiums
5.0-star property

Lodge at Vail Condominiums

8.6/10 Excellent! (4 reviews)

Jan 23 - Jan 26

3 night stay

Louisville (SDF) to Denver (DEN)

Southwest Airlines • Coach

Denver (DEN) to Louisville (SDF)

American Airlines • Coach
Save 100% on your flight
Price was $2,899, price is now $2,085 per person
$2,085
per person
found 1 day ago
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More About Flying To Boulder from Louisville

Route Information for Flights from Louisville to Boulder

Origin Airport IATA Code
SDF
Destination Airport IATA Code
DEN
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Louisville to Boulder

If you are looking for guaranteed low prices on flights from Louisville to Boulder, then look no further than Orbitz. Orbitz offers everything you need to plan the perfect trip—from cheap deals and bargain holiday packages to cutting-edge mobile tools.

Your Perfect BoulderVacation Package

Orbitz gives you access to exclusive deals and discounts on flights from Louisville to Boulder. Mix and match hotels and Louisville to Boulder flights to create your dream vacation. All your options are displayed at a glance with the Orbitz Matrix Display, which shows your package savings and built-in extras, such as free nights.

Stress free Searches Even on the Move

With free mobile apps for iPhone and Android, you never have to miss out on great prices on flights from Louisville to Boulder. In a hurry? No worry—just check your flight status using m.orbtiz.com via your mobile browser or to book that exclusive hotel deal.

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Need a car after your Louisville to Boulder flights? Not only do you get great rental deals when you book in advance with Orbitz, we can send your flight details to the car rental company, so it knows when your flight from Louisville to Boulder is delayed.

Low Price Guarantee

With the best deals and easy searching options, Orbitz make it easy and fun to find cheap Louisville to Boulder flights, a great hotel, or a full vacation package. With Orbitz’s low price guarantee, you always get great discounts on air ticket prices.

Frequently asked questions

Are there non-stop flights from Louisville to Boulder?
Yep, your memorable vacation is just one easy flight away. Excellent news, isn't it? Cruise in comfort on board one of the 3 carriers that fly directly from Louisville, KY (SDF-Louisville Intl.) to DEN. Top picks include:

  • United Airlines
  • Southwest Airlines
  • Frontier Airlines

What is the shortest flight from Louisville to Boulder?
With the trip from Louisville to Boulder taking a minimum of 4 hours and 7 minutes, you'll have plenty of time to relax and enjoy the ride. Ask for a glass of wine and get comfy in your seat with a riveting novel or movie.
What airlines fly from Louisville to Boulder most frequently?
The carriers that have the most frequent flights between SDF and Denver, CO (DEN-Denver Intl.) include United Airlines (UA). This popular option operates 56 flights on the route every month. Alternatively, book a seat with Southwest Airlines (WN). You'll have 30 monthly flights between Louisville and Boulder to choose from with this airline.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

More Destinations

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.