$127+ Cheap flights from Charlotte (CLT) to Boulder, CO
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — DEN
Sep 5 — Sep 121
Round-trip
1 adult, Economy
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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 Thursday
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 August 6, 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 August 6, 2026.
This Super.com deal was found by Cheapflights users on 8/3. 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.
Fri 9/117:54 pm -
Nonstop3h 49m
Sun 9/131:39 pm -
Nonstop3h 20m
Deal found 8/3![Frontier logo]()
$222
This Cheapflightsfares deal was found by Cheapflights users on 8/4. 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 9/107:54 pm -
Nonstop3h 49m
Sun 9/131:39 pm -
Nonstop3h 20m
Deal found 8/4![Frontier logo]()
$223
This Frontier deal was found by Cheapflights users on 8/3. 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.
Mon 9/75:21 pm -
Nonstop3h 55m
Fri 9/181:39 pm -
Nonstop3h 20m
Deal found 8/3![Frontier logo]()
$224
This Super.com deal was found by Cheapflights users on 8/4. 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.
Fri 8/285:21 pm -
Nonstop3h 55m
Sat 8/2911:00 am -
Nonstop3h 26m
Deal found 8/4![Frontier logo]()
$226
This Super.com deal was found by Cheapflights users on 8/4. 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.
Thu 9/247:54 pm -
Nonstop3h 49m
Sun 9/271:39 pm -
Nonstop3h 20m
Deal found 8/4![Frontier logo]()
$227
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 8/265:21 pm -
Nonstop3h 55m
Sat 8/2911:00 am -
Nonstop3h 26m
Deal found 8/1![Frontier logo]()
$228
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 9/117:54 pm -
Nonstop3h 49m
Mon 9/141:39 pm -
Nonstop3h 20m
Deal found 8/1![Frontier logo]()
$229
This Frontier deal was found by Cheapflights users on 8/1. 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.
Thu 12/105:07 pm -
Nonstop4h 01m
Sun 12/1310:50 am -
Nonstop3h 17m
Deal found 8/1![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 8/4. 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.
Sat 8/295:21 pm -
Nonstop3h 55m
Sat 9/511:00 am -
Nonstop3h 26m
Deal found 8/4![Frontier logo]()
$231
This Frontier deal was found by Cheapflights users on 8/3. 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.
Fri 8/710:04 pm -
Nonstop3h 44m
Sat 8/153:52 pm -
Nonstop3h 27m
Deal found 8/3![Frontier logo]()
$232
This Frontier deal was found by Cheapflights users on 8/2. 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.
Mon 11/97:44 pm -
Nonstop4h 00m
Sat 11/141:23 pm -
Nonstop3h 23m
Deal found 8/2![Frontier logo]()
$234
This Super.com deal was found by Cheapflights users on 8/1. 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.
Fri 10/97:46 pm -
Nonstop4h 00m
Mon 10/121:28 pm -
Nonstop3h 23m
Deal found 8/1![Frontier logo]()
$235
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 August 6, 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 August 6, 2026.
This United Airlines deal was found by Cheapflights users on 8/4. 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.
Thu 9/248:46 am -
Nonstop3h 45m
Tue 9/294:10 pm -
Nonstop3h 21m
Deal found 8/4![United Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 8/5. 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 9/236:50 am -
2 stops9h 55m
Sat 9/268:35 am -
2 stops8h 50m
Deal found 8/5![Southwest logo]()
$349
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Sat 9/124:23 pm -
Nonstop3h 45m
Tue 9/156:09 pm -
Nonstop3h 20m
Deal found 8/3![United Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 8/1. 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 9/26:50 am -
2 stops9h 55m
Wed 9/911:15 am -
2 stops8h 00m
Deal found 8/1![Southwest logo]()
$349
This United Airlines deal was found by Cheapflights users on 8/4. 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.
Tue 9/18:05 am -
1 stop6h 40m
Tue 9/86:09 pm -
Nonstop3h 20m
Deal found 8/4![United Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 8/1. 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 9/126:30 am -
2 stops7h 15m
Mon 9/1411:00 am -
2 stops8h 55m
Deal found 8/1![Southwest logo]()
$349
This Southwest deal was found by Cheapflights users on 8/5. 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.
Sun 10/45:05 pm -
2 stops9h 10m
Sat 10/1712:30 am -
1 stop7h 30m
Deal found 8/5![Southwest logo]()
$374
This Southwest deal was found by Cheapflights users on 8/2. 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 9/266:30 am -
2 stops6h 20m
Sun 9/277:25 am -
2 stops6h 35m
Deal found 8/2![Southwest logo]()
$379
This Southwest deal was found by Cheapflights users on 8/2. 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.
Mon 8/2410:35 am -
2 stops9h 20m
Mon 8/3110:35 am -
2 stops8h 05m
Deal found 8/2![Southwest logo]()
$379
This Southwest deal was found by Cheapflights users on 8/4. 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 9/410:35 am -
2 stops9h 20m
Tue 9/811:15 am -
2 stops8h 00m
Deal found 8/4![Southwest logo]()
$379
This Southwest deal was found by Cheapflights users on 8/1. 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 10/161:35 pm -
2 stops8h 25m
Sun 10/257:25 am -
2 stops6h 25m
Deal found 8/1![Southwest logo]()
$404
Last-minute flights from Charlotte to BoulderDiscover last-minute flight deals from Charlotte to Boulder. Data last updated August 6, 2026 and is based on user searches.
Discover last-minute flight deals from Charlotte to Boulder. Data last updated August 6, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/3. 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.
Fri 8/710:04 pm -
Nonstop3h 44m
Sat 8/153:52 pm -
Nonstop3h 27m
Deal found 8/3![Frontier logo]()
$232
This Cheapflightsfares deal was found by Cheapflights users on 8/3. 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 8/710:04 pm -
Nonstop3h 44m
Sat 8/83:52 pm -
Nonstop3h 27m
Deal found 8/3![Frontier logo]()
$235
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 8/265:21 pm -
Nonstop3h 55m
Sat 8/2911:00 am -
Nonstop3h 26m
Deal found 8/1![Frontier logo]()
$228
This Trip.com deal was found by Cheapflights users on 8/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:21 pm -
Nonstop3h 55m
Wed 9/211:00 am -
Nonstop3h 26m
Deal found 8/2![Frontier logo]()
$237
This Super.com deal was found by Cheapflights users on 8/4. 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.
Fri 8/285:21 pm -
Nonstop3h 55m
Sat 8/2911:00 am -
Nonstop3h 26m
Deal found 8/4![Frontier logo]()
$226
This Frontier deal was found by Cheapflights users on 8/4. 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.
Sat 8/295:21 pm -
Nonstop3h 55m
Sat 9/511:00 am -
Nonstop3h 26m
Deal found 8/4![Frontier logo]()
$231
This Frontier deal was found by Cheapflights users on 8/3. 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.
Mon 9/75:21 pm -
Nonstop3h 55m
Fri 9/181:39 pm -
Nonstop3h 20m
Deal found 8/3![Frontier logo]()
$224
This Cheapflightsfares deal was found by Cheapflights users on 8/4. 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 9/107:54 pm -
Nonstop3h 49m
Sun 9/131:39 pm -
Nonstop3h 20m
Deal found 8/4![Frontier logo]()
$223
This Super.com deal was found by Cheapflights users on 8/3. 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.
Fri 9/117:54 pm -
Nonstop3h 49m
Sun 9/131:39 pm -
Nonstop3h 20m
Deal found 8/3![Frontier logo]()
$222
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 9/117:54 pm -
Nonstop3h 49m
Mon 9/141:39 pm -
Nonstop3h 20m
Deal found 8/1![Frontier logo]()
$229
This Super.com deal was found by Cheapflights users on 8/4. 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.
Thu 9/247:54 pm -
Nonstop3h 49m
Sun 9/271:39 pm -
Nonstop3h 20m
Deal found 8/4![Frontier logo]()
$227
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 August 6, 2026.
Search for one-way flight options from Charlotte to Boulder. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Fri 10/3010:41 pm -
1 stop23h 23m
Deal found 8/1![Frontier logo]()
$127
This Super.com deal was found by Cheapflights users on 8/1. 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 11/97:44 pm -
Nonstop4h 00m
Deal found 8/1![Frontier logo]()
$128
This Frontier deal was found by Cheapflights users on 8/3. 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.
Mon 10/57:54 pm -
Nonstop3h 49m
Deal found 8/3![Frontier logo]()
$130
This Cheapflightsfares deal was found by Cheapflights users on 8/5. 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 9/75:21 pm -
Nonstop3h 55m
Deal found 8/5![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Wed 9/161:34 pm -
1 stop10h 15m
Deal found 8/2![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 10/811:44 am -
2 stops23h 47m
Deal found 8/1![Frontier logo]()
$134
This Super.com deal was found by Cheapflights users on 8/2. 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.
Wed 8/195:21 pm -
Nonstop3h 55m
Deal found 8/2![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Mon 11/22:46 pm -
1 stop7h 18m
Deal found 8/1![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Wed 9/301:34 pm -
1 stop10h 15m
Deal found 8/2![Frontier logo]()
$137
This Super.com deal was found by Cheapflights users on 8/5. 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.
Fri 8/1410:04 pm -
Nonstop3h 44m
Deal found 8/5![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Sun 11/110:02 pm -
2 stops17h 58m
Deal found 8/1![Frontier logo]()
$139
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 August 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $222 (Super.com) |
One-way from | $127 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $323 |
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 2,558,603 searches. Data last updated August 6, 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
Thu 9/24
8:46 am-10:31 am
Nonstop3h 45m
Denver Intl
Tue 9/29
4:10 pm-9:31 pm
Nonstop3h 21m
$319
Quickest round-trip
CharlotteDenver
CLT Charlotte Douglas - DEN Denver Intl
CLTDEN
Charlotte Douglas
Sat 9/12
4:23 pm-6:08 pm
Nonstop3h 45m
Denver Intl
Tue 9/15
6:09 pm-11:29 pm
Nonstop3h 20m
$319
CharlotteDenver
CLT Charlotte Douglas - DEN Denver Intl
CLTDEN
Charlotte Douglas
Tue 9/1
8:05 am-12:45 pm
1 stop6h 40m
Denver Intl
Tue 9/8
6:09 pm-11:29 pm
Nonstop3h 20m
$329
CharlotteDenver
CLT Charlotte Douglas - DEN Denver Intl
CLTDEN
Charlotte Douglas
Wed 9/23
6:50 am-2:45 pm
2 stops9h 55m
Denver Intl
Sat 9/26
8:35 am-7:25 pm
2 stops8h 50m
$349
CharlotteDenver
CLT Charlotte Douglas - DEN Denver Intl
CLTDEN
Charlotte Douglas
Wed 9/2
6:50 am-2:45 pm
2 stops9h 55m
Denver Intl
Wed 9/9
11:15 am-9:15 pm
2 stops8h 00m
$349
CharlotteDenver
CLT Charlotte Douglas - DEN Denver Intl
CLTDEN
Charlotte Douglas
Sat 9/12
6:30 am-11:45 am
2 stops7h 15m
Denver Intl
Mon 9/14
11:00 am-9:55 pm
2 stops8h 55m
$349
CharlotteDenver
CLT Charlotte Douglas - DEN Denver Intl
CLTDEN
Charlotte Douglas
Sun 10/4
5:05 pm-12:15 am
2 stops9h 10m
Denver Intl
Sat 10/17
12:30 am-10:00 am
1 stop7h 30m
$374
CharlotteDenver
CLT Charlotte Douglas - DEN Denver Intl
CLTDEN
Charlotte Douglas
Sat 9/26
6:30 am-10:50 am
2 stops6h 20m
Denver Intl
Sun 9/27
7:25 am-4:00 pm
2 stops6h 35m
$379
CharlotteDenver
CLT Charlotte Douglas - DEN Denver Intl
CLTDEN
Charlotte Douglas
Mon 8/24
10:35 am-5:55 pm
2 stops9h 20m
Denver Intl
Mon 8/31
10:35 am-8:40 pm
2 stops8h 05m
$379
CharlotteDenver
CLT Charlotte Douglas - DEN Denver Intl
CLTDEN
Charlotte Douglas
Fri 9/4
10:35 am-5:55 pm
2 stops9h 20m
Denver Intl
Tue 9/8
11:15 am-9:15 pm
2 stops8h 00m
$379
Showing 1-10 of 22 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 August 6, 2026.
It’s typically best to fly out from Charlotte to Boulder in the evening. Doing so could potentially save you 34% 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 August 6, 2026.
The most flights from CLT to BD9 are scheduled on a Monday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 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 $270 and $408 in September.The cheapest round-trip price found within the last 5 days was $222 on Frontier (Sep 11-Sep 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 August 1, 2026.
Travelers seeking maximum savings on their Charlotte to Boulder flight should consider departing on Thursday afternoons 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 August 6, 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.
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
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.
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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 2,558,603 searches. Data last updated August 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$72 | Average$218 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$346 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$152 | Average$384 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$179 | Average$386 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$179 | Average$372 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$281 | Average$396 | FlexibilityNo cancel fee | On-time62% |