$122+ Cheap flights from Charlotte (CLT) to Boulder, CO
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — DEN
Oct 17 — Oct 241
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Charlotte to Boulder with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Charlotte Douglas to Boulder are usually found in February or January, booked 82 days in advance, depart on a Friday or Thursday and return on a Wednesday
Cheap flight deals from Charlotte to Boulder
Cheapest
Best
Last-minute
One-way
Cheapest flights from Charlotte to BoulderExplore the most affordable flight options available from Charlotte to Boulder. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Charlotte to Boulder. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:47 pm -
Nonstop4h 05m
Mon 10/2610:40 am -
Nonstop3h 22m
Deal found 9/13![Frontier logo]()
$170
This Cheapflightsfares deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:47 pm -
Nonstop4h 03m
Mon 11/2311:59 pm -
1 stop22h 35m
Deal found 9/12![Frontier logo]()
$241
This Cheapflightsfares deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:56 am -
1 stop14h 22m
Sat 10/1710:40 am -
Nonstop3h 22m
Deal found 9/12![Frontier logo]()
$242
This Cheapflightsfares deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:54 pm -
Nonstop3h 49m
Mon 10/51:39 pm -
Nonstop3h 20m
Deal found 9/13![Frontier logo]()
$243
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:32 am -
1 stop12h 28m
Sat 10/1710:40 am -
Nonstop3h 22m
Deal found 9/14![Frontier logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:00 am -
Nonstop3h 56m
Thu 11/266:21 pm -
Nonstop3h 12m
Deal found 9/12![Frontier logo]()
$245
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:32 am -
1 stop12h 28m
Thu 11/510:43 am -
Nonstop3h 13m
Deal found 9/15![Frontier logo]()
$246
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:47 pm -
Nonstop4h 05m
Sun 10/186:56 pm -
1 stop23h 59m
Deal found 9/14![Frontier logo]()
$247
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:10 pm -
1 stop6h 30m
Sat 10/245:45 am -
1 stop5h 20m
Deal found 9/16![Southwest logo]()
$248
This Expedia deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:05 pm -
1 stop11h 44m
Sat 10/2410:40 am -
1 stop19h 57m
Deal found 9/17![Frontier logo]()
$249
This Cheapflightsfares deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:05 pm -
1 stop11h 37m
Sun 11/810:43 am -
Nonstop3h 13m
Deal found 9/17![Frontier logo]()
$250
Best flights from Charlotte to BoulderDiscover carefully curated flight deals from Charlotte to Boulder that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Charlotte to Boulder that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:30 pm -
2 stops8h 00m
Mon 12/711:05 am -
2 stops8h 15m
Deal found 9/16![Southwest logo]()
$291
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/172:19 pm -
1 stop8h 01m
Thu 11/1912:58 am -
1 stop5h 44m
Deal found 9/12![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:46 am -
Nonstop3h 45m
Sun 10/254:15 pm -
Nonstop3h 14m
Deal found 9/14![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:55 pm -
1 stop5h 30m
Thu 12/32:25 pm -
1 stop4h 40m
Deal found 9/15![Southwest logo]()
$297
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:50 am -
2 stops8h 05m
Sat 10/246:30 am -
2 stops10h 15m
Deal found 9/15![Southwest logo]()
$324
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:40 am -
2 stops8h 40m
Sat 10/105:30 am -
1 stop12h 15m
Deal found 9/13![Southwest logo]()
$354
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:20 pm -
Nonstop3h 45m
Wed 9/309:51 am -
Nonstop3h 23m
Deal found 9/13![United Airlines logo]()
$430
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:39 pm -
1 stop5h 35m
Wed 9/236:30 am -
1 stop7h 36m
Deal found 9/15![Delta logo]()
$449
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/310:35 am -
1 stop6h 55m
Wed 10/76:35 am -
2 stops8h 50m
Deal found 9/16![Southwest logo]()
$399
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:15 am -
2 stops6h 30m
Wed 10/76:35 am -
2 stops8h 50m
Deal found 9/14![Southwest logo]()
$420
Last-minute flights from Charlotte to BoulderDiscover last-minute flight deals from Charlotte to Boulder. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Charlotte to Boulder. Data last updated September 17, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:54 pm -
Nonstop3h 49m
Mon 10/51:39 pm -
Nonstop3h 20m
Deal found 9/13![Frontier logo]()
$243
This Cheapflightsfares deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:54 pm -
Nonstop3h 49m
Mon 10/51:39 pm -
Nonstop3h 20m
Deal found 9/16![Frontier logo]()
$251
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:54 pm -
Nonstop3h 49m
Sun 10/116:10 am -
1 stop27h 01m
Deal found 9/14![Frontier logo]()
$253
This Cheapflightsfares deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:56 am -
1 stop14h 22m
Sat 10/1710:40 am -
Nonstop3h 22m
Deal found 9/12![Frontier logo]()
$242
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:32 am -
1 stop12h 28m
Sat 10/1710:40 am -
Nonstop3h 22m
Deal found 9/14![Frontier logo]()
$244
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:47 pm -
Nonstop4h 05m
Mon 10/2610:40 am -
Nonstop3h 22m
Deal found 9/14![Frontier logo]()
$250
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:47 pm -
Nonstop4h 05m
Sun 10/186:56 pm -
1 stop23h 59m
Deal found 9/14![Frontier logo]()
$247
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:45 pm -
1 stop13h 15m
Sat 10/2410:40 am -
Nonstop3h 22m
Deal found 9/14![Frontier logo]()
$255
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:10 pm -
1 stop6h 30m
Sat 10/245:45 am -
1 stop5h 20m
Deal found 9/16![Southwest logo]()
$248
This Expedia deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:05 pm -
1 stop11h 44m
Sat 10/2410:40 am -
1 stop19h 57m
Deal found 9/17![Frontier logo]()
$249
This Cheapflightsfares deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:47 pm -
Nonstop4h 05m
Mon 10/2610:40 am -
Nonstop3h 22m
Deal found 9/13![Frontier logo]()
$170
One-way flights from Charlotte to BoulderSearch for one-way flight options from Charlotte to Boulder. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Charlotte to Boulder. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:47 pm -
Nonstop4h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$122
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:10 pm -
1 stop6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$124
This Mytrip deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:54 pm -
Nonstop3h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$125
This Cheapflightsfares deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:05 pm -
1 stop5h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$126
This Cheapflightsfares deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:00 am -
Nonstop3h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$127
This Super.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:05 pm -
1 stop13h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$128
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/161:30 pm -
2 stops8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$129
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:15 am -
1 stop10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Southwest logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:05 pm -
1 stop22h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/156:15 pm -
1 stop14h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:47 pm -
Nonstop4h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$133
This Super.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/84:51 pm -
Nonstop4h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$134
Find flight deals from Charlotte to Boulder
Keep the following information in mind while searching for Charlotte to Boulder flight deals. Data was last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $165 (Frontier) |
One-way from | $122 (Cheapflightsfares) |
Popular in | June |
Cheapest in | February |
Average price | $331 |
Cheapflights Fare Finder
Customize your flight search to find flights from Charlotte to Boulder that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from Charlotte to Boulder that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
CharlotteDenver
CLT Charlotte Douglas - DEN Denver Intl
CLTDEN
Charlotte Douglas
Tue 11/10
1:30 pm-7:30 pm
2 stops8h 00m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$129
CharlotteDenver
CLT Charlotte Douglas - DEN Denver Intl
CLTDEN
Charlotte Douglas
Tue 10/13
6:40 am-11:25 am
2 stops6h 45m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$129
CharlotteDenver
CLT Charlotte Douglas - DEN Denver Intl
CLTDEN
Charlotte Douglas
Sat 11/14
7:30 am-3:30 pm
2 stops10h 00m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$129
CharlotteDenver
CLT Charlotte Douglas - DEN Denver Intl
CLTDEN
Charlotte Douglas
Sat 11/7
7:30 am-11:45 am
1 stop6h 15m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$140
CharlotteDenver
CLT Charlotte Douglas - DEN Denver Intl
CLTDEN
Charlotte Douglas
Tue 10/6
6:40 am-1:40 pm
2 stops9h 00m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$143
CharlotteDenver
CLT Charlotte Douglas - DEN Denver Intl
CLTDEN
Charlotte Douglas
Wed 12/9
8:05 am-12:07 pm
1 stop6h 02m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$145
CharlotteDenver
CLT Charlotte Douglas - DEN Denver Intl
CLTDEN
Charlotte Douglas
Tue 12/15
5:30 am-9:31 am
1 stop6h 01m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$145
CharlotteDenver
CLT Charlotte Douglas - DEN Denver Intl
CLTDEN
Charlotte Douglas
Sat 10/31
2:40 pm-8:06 pm
1 stop7h 26m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$145
CharlotteDenver
CLT Charlotte Douglas - DEN Denver Intl
CLTDEN
Charlotte Douglas
Sat 12/12
11:49 am-4:02 pm
1 stop6h 13m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$145
Quickest round-trip
CharlotteDenver
CLT Charlotte Douglas - DEN Denver Intl
CLTDEN
Charlotte Douglas
Sat 11/14
1:25 pm-5:10 pm
1 stop5h 45m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$145
Showing 1-10 of 20 resultsSorted by cheapest first
Best time to book a flight from Charlotte to Boulder
Have a flexible travel schedule? Discover the best time to fly to Boulder from Charlotte with our price prediction graph.
CLT-DEN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Charlotte to Boulder
CLT-BD9
CLT-DEN
What is the cheapest time of day to fly from CLT to BD9?
Find hourly flight availability from Charlotte to Boulder. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2026.
It’s typically best to fly out from Charlotte to Boulder in the evening. Doing so could potentially save you 35% on the flight price compared to flying in the morning, which is usually more expensive.
Weekly flight availability from Charlotte to Boulder
Explore weekly flight availability from Charlotte to Boulder. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 17, 2026.
The most flights from CLT to BD9 are scheduled on a Monday (6 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Charlotte to Boulder?
Airfare is below average for this route at the moment.
Charlotte to Boulder flights typically cost between $281 and $426 in December.The cheapest round-trip price found within the last 5 days was $165 on Frontier (Dec 10-Dec 13).
What is the cheapest day to fly from Charlotte to Boulder?
Use this chart to determine the cheapest time to fly round-trip from Charlotte to Boulder. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their Charlotte to Boulder flight should consider departing on Monday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Boulder
Get insights into the airlines that provide service to Boulder. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boulder. Reviews last updated September 17, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Charlotte to Boulder. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Charlotte to Boulder. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Charlotte
Popular flights
Top destinations
Alternative routes for Charlotte to Boulder
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Boulder by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Charlotte to Boulder by cabin class
Find flights from Charlotte to Boulder, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Charlotte and Boulder flights
Browse other Charlotte and Boulder flight options. Last updated on September 17, 2026.
Other flights from Charlotte
Browse through other flights departing from Charlotte. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Charlotte to Boulder flights
Consider these flights traveling from Charlotte to Boulder.
Top 6 airlines flying from Charlotte to Boulder
Discover the top 6 airlines that operate flights from Charlotte to Boulder. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$76 | Average$232 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$353 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$179 | Average$390 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$179 | Average$390 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$190 | Average$383 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$281 | Average$396 | FlexibilityNo cancel fee | On-time62% |