$104+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — DEN
Apr 18 — Apr 251
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 September, booked 73 days in advance, depart on a Thursday or Friday 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 March 19, 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 March 19, 2026.
This Frontier deal was found by Cheapflights users on 3/15. 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.
Tue 4/217:49 pm
CLT
- DEN
Nonstop4h 00m
Frontier
Sat 4/2511:34 am
DEN
- CLT
Nonstop3h 22m
Frontier
Deal found 3/15![Frontier logo]()
$108
This Cheapflightsfares deal was found by Cheapflights users on 3/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:30 pm
CLT
- DEN
Nonstop4h 02m
Frontier
Wed 4/221:31 pm
DEN
- CLT
Nonstop3h 23m
Frontier
Deal found 3/15![Frontier logo]()
$112
This Frontier deal was found by Cheapflights users on 3/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:30 pm
CLT
- DEN
Nonstop4h 02m
Frontier
Sat 4/2511:34 am
DEN
- CLT
Nonstop3h 22m
Frontier
Deal found 3/16![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:49 pm
CLT
- DEN
Nonstop4h 00m
Frontier
Sat 4/2511:34 am
DEN
- CLT
Nonstop3h 22m
Frontier
Deal found 3/16![Frontier logo]()
$115
This Cheapflightsfares deal was found by Cheapflights users on 3/17. 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.
Sat 4/185:51 pm
CLT
- DEN
Nonstop4h 04m
Frontier
Sat 4/2511:34 am
DEN
- CLT
Nonstop3h 22m
Frontier
Deal found 3/17![Frontier logo]()
$127
This Booking.com deal was found by Cheapflights users on 3/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:49 pm
CLT
- DEN
Nonstop4h 00m
Frontier
Wed 4/291:31 pm
DEN
- CLT
Nonstop3h 23m
Frontier
Deal found 3/18![Frontier logo]()
$129
This Cheapflightsfares deal was found by Cheapflights users on 3/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:30 pm
CLT
- DEN
Nonstop4h 02m
Frontier
Sun 4/1912:02 pm
DEN
- CLT
Nonstop3h 21m
Frontier
Deal found 3/15![Frontier logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 3/16. 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.
Wed 4/157:49 pm
CLT
- DEN
Nonstop4h 00m
Frontier
Thu 4/1612:02 pm
DEN
- CLT
Nonstop3h 21m
Frontier
Deal found 3/16![Frontier logo]()
$137
This Frontier deal was found by Cheapflights users on 3/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:51 pm
CLT
- DEN
Nonstop4h 04m
Frontier
Mon 4/2712:02 pm
DEN
- CLT
Nonstop3h 21m
Frontier
Deal found 3/16![Frontier logo]()
$138
This Cheapflightsfares deal was found by Cheapflights users on 3/14. 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.
Tue 5/57:49 pm
CLT
- DEN
Nonstop4h 00m
Frontier
Tue 5/121:31 pm
DEN
- CLT
Nonstop3h 23m
Frontier
Deal found 3/14![Frontier logo]()
$141
This Cheapflightsfares deal was found by Cheapflights users on 3/16. 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 4/176:30 pm
CLT
- DEN
Nonstop4h 02m
Frontier
Mon 4/2012:02 pm
DEN
- CLT
Nonstop3h 21m
Frontier
Deal found 3/16![Frontier logo]()
$142
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 March 19, 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 March 19, 2026.
This Southwest deal was found by Cheapflights users on 3/14. 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.
Tue 5/121:45 pm
CLT
- DEN
2 stops10h 50m
Southwest
Sat 5/1610:15 am
DEN
- CLT
2 stops9h 00m
Southwest
Deal found 3/14![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 3/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/52:38 pm
CLT
- DEN
1 stop7h 37m
Delta
Sun 6/76:10 am
DEN
- CLT
1 stop5h 56m
Delta
Deal found 3/17![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 3/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:20 pm
CLT
- DEN
1 stop5h 20m
Southwest
Sat 5/165:20 am
DEN
- CLT
1 stop7h 50m
Southwest
Deal found 3/17![Southwest logo]()
$257
This Southwest deal was found by Cheapflights users on 3/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:40 am
CLT
- DEN
2 stops10h 00m
Southwest
Sat 4/1810:15 am
DEN
- CLT
2 stops9h 00m
Southwest
Deal found 3/17![Southwest logo]()
$287
This Delta deal was found by Cheapflights users on 3/18. 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.
Sat 6/277:59 pm
CLT
- DEN
1 stop5h 46m
Delta
Thu 7/26:10 am
DEN
- CLT
1 stop5h 56m
Delta
Deal found 3/18![Delta logo]()
$374
This Southwest deal was found by Cheapflights users on 3/14. 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.
Wed 5/207:20 pm
CLT
- DEN
1 stop5h 20m
Southwest
Sat 5/2310:05 am
DEN
- CLT
2 stops9h 10m
Southwest
Deal found 3/14![Southwest logo]()
$318
This Southwest deal was found by Cheapflights users on 3/14. 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.
Fri 6/57:10 am
CLT
- DEN
2 stops8h 30m
Southwest
Sun 6/75:30 am
DEN
- CLT
1 stop9h 50m
Southwest
Deal found 3/14![Southwest logo]()
$320
This Southwest deal was found by Cheapflights users on 3/15. 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 6/119:15 pm
CLT
- DEN
1 stop5h 05m
Southwest
Tue 6/167:40 am
DEN
- CLT
2 stops8h 00m
Southwest
Deal found 3/15![Southwest logo]()
$324
This Southwest deal was found by Cheapflights users on 3/16. 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 6/259:15 pm
CLT
- DEN
1 stop5h 05m
Southwest
Mon 6/292:20 pm
DEN
- CLT
2 stops6h 55m
Southwest
Deal found 3/16![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 3/14. 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.
Fri 4/176:15 am
CLT
- DEN
2 stops9h 15m
Southwest
Sun 4/191:10 pm
DEN
- CLT
2 stops7h 40m
Southwest
Deal found 3/14![Southwest logo]()
$357
This Southwest deal was found by Cheapflights users on 3/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:35 am
CLT
- DEN
2 stops7h 10m
Southwest
Wed 6/177:40 am
DEN
- CLT
2 stops8h 00m
Southwest
Deal found 3/17![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 3/14. 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.
Sun 5/36:10 am
CLT
- DEN
2 stops7h 05m
Southwest
Tue 5/1211:45 am
DEN
- CLT
2 stops7h 10m
Southwest
Deal found 3/14![Southwest logo]()
$367
Last-minute flights from Charlotte to BoulderDiscover last-minute flight deals from Charlotte to Boulder. Data last updated March 19, 2026 and is based on user searches.
Discover last-minute flight deals from Charlotte to Boulder. Data last updated March 19, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:49 pm
CLT
- DEN
Nonstop4h 00m
Frontier
Sat 4/2511:34 am
DEN
- CLT
Nonstop3h 22m
Frontier
Deal found 3/16![Frontier logo]()
$115
This Cheapflightsfares deal was found by Cheapflights users on 3/16. 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.
Wed 4/157:49 pm
CLT
- DEN
Nonstop4h 00m
Frontier
Thu 4/1612:02 pm
DEN
- CLT
Nonstop3h 21m
Frontier
Deal found 3/16![Frontier logo]()
$137
This Cheapflightsfares deal was found by Cheapflights users on 3/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:30 pm
CLT
- DEN
Nonstop4h 02m
Frontier
Wed 4/221:31 pm
DEN
- CLT
Nonstop3h 23m
Frontier
Deal found 3/15![Frontier logo]()
$112
This Frontier deal was found by Cheapflights users on 3/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:30 pm
CLT
- DEN
Nonstop4h 02m
Frontier
Sat 4/2511:34 am
DEN
- CLT
Nonstop3h 22m
Frontier
Deal found 3/16![Frontier logo]()
$113
This Super.com deal was found by Cheapflights users on 3/16. 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.
Fri 4/176:30 pm
CLT
- DEN
Nonstop4h 02m
Frontier
Sun 4/1912:02 pm
DEN
- CLT
Nonstop3h 21m
Frontier
Deal found 3/16![Frontier logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 3/16. 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 4/176:30 pm
CLT
- DEN
Nonstop4h 02m
Frontier
Mon 4/2012:02 pm
DEN
- CLT
Nonstop3h 21m
Frontier
Deal found 3/16![Frontier logo]()
$142
This Frontier deal was found by Cheapflights users on 3/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:30 pm
CLT
- DEN
Nonstop4h 02m
Frontier
Mon 4/2712:02 pm
DEN
- CLT
Nonstop3h 21m
Frontier
Deal found 3/16![Frontier logo]()
$143
This Cheapflightsfares deal was found by Cheapflights users on 3/17. 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.
Sat 4/185:51 pm
CLT
- DEN
Nonstop4h 04m
Frontier
Sat 4/2511:34 am
DEN
- CLT
Nonstop3h 22m
Frontier
Deal found 3/17![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 3/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:51 pm
CLT
- DEN
Nonstop4h 04m
Frontier
Mon 4/2712:02 pm
DEN
- CLT
Nonstop3h 21m
Frontier
Deal found 3/16![Frontier logo]()
$138
This Frontier deal was found by Cheapflights users on 3/15. 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.
Tue 4/217:49 pm
CLT
- DEN
Nonstop4h 00m
Frontier
Sat 4/2511:34 am
DEN
- CLT
Nonstop3h 22m
Frontier
Deal found 3/15![Frontier logo]()
$108
This Booking.com deal was found by Cheapflights users on 3/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:49 pm
CLT
- DEN
Nonstop4h 00m
Frontier
Wed 4/291:31 pm
DEN
- CLT
Nonstop3h 23m
Frontier
Deal found 3/18![Frontier logo]()
$129
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 March 19, 2026.
Search for one-way flight options from Charlotte to Boulder. Find affordable one-way fares based on user searches. Data last updated March 19, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 3/16. 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.
Sat 4/254:48 pm
CLT
- DEN
1 stop8h 21m
Frontier
Deal found 3/16![Frontier logo]()
$104
This Frontier deal was found by Cheapflights users on 3/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/164:42 pm
CLT
- DEN
1 stop8h 07m
Frontier
Deal found 3/16![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:13 pm
CLT
- DEN
1 stop26h 56m
Frontier
Deal found 3/16![Frontier logo]()
$108
This Cheapflightsfares deal was found by Cheapflights users on 3/17. 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.
Sun 4/268:17 pm
CLT
- DEN
1 stop14h 11m
Frontier
Deal found 3/17![Frontier logo]()
$110
This Frontier deal was found by Cheapflights users on 3/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1510:58 am
CLT
- DEN
1 stop14h 06m
Frontier
Deal found 3/17![Frontier logo]()
$111
This Super.com deal was found by Cheapflights users on 3/16. 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.
Sun 4/127:49 pm
CLT
- DEN
Nonstop4h 00m
Frontier
Deal found 3/16![Frontier logo]()
$112
This Frontier deal was found by Cheapflights users on 3/15. 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.
Tue 5/125:20 pm
CLT
- DEN
Nonstop4h 06m
Frontier
Deal found 3/15![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/149:17 pm
CLT
- DEN
2 stops22h 01m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Mon 4/133:17 pm
CLT
- DEN
1 stop20h 10m
Frontier
Deal found 3/17![Frontier logo]()
$118
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 March 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $108 (Frontier) |
One-way from | $104 (Cheapflightsfares) |
Popular in | March |
Cheapest in | February |
Average price | $329 |
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 March 19, 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 - DEN
CLTDEN
Charlotte Douglas
Tue 5/12
1:45 pm-10:35 pm
2 stops10h 50m
Denver Intl
Sat 5/16
10:15 am-9:15 pm
2 stops9h 00m
$247
CharlotteDenver
CLT - DEN
CLTDEN
Charlotte Douglas
Wed 5/13
7:20 pm-10:40 pm
1 stop5h 20m
Denver Intl
Sat 5/16
5:20 am-3:10 pm
1 stop7h 50m
$257
CharlotteDenver
CLT - DEN
CLTDEN
Charlotte Douglas
Tue 4/14
6:40 am-2:40 pm
2 stops10h 00m
Denver Intl
Sat 4/18
10:15 am-9:15 pm
2 stops9h 00m
$287
CharlotteDenver
CLT - DEN
CLTDEN
Charlotte Douglas
Wed 5/20
7:20 pm-10:40 pm
1 stop5h 20m
Denver Intl
Sat 5/23
10:05 am-9:15 pm
2 stops9h 10m
$318
CharlotteDenver
CLT - DEN
CLTDEN
Charlotte Douglas
Fri 6/5
7:10 am-1:40 pm
2 stops8h 30m
Denver Intl
Sun 6/7
5:30 am-5:20 pm
1 stop9h 50m
$320
CharlotteDenver
CLT - DEN
CLTDEN
Charlotte Douglas
Thu 6/11
9:15 pm-12:20 am
1 stop5h 05m
Denver Intl
Tue 6/16
7:40 am-5:40 pm
2 stops8h 00m
$324
CharlotteDenver
CLT - DEN
CLTDEN
Charlotte Douglas
Fri 6/5
2:38 pm-8:15 pm
1 stop7h 37m
Denver Intl
Sun 6/7
6:10 am-2:06 pm
1 stop5h 56m
$329
CharlotteDenver
CLT - DEN
CLTDEN
Charlotte Douglas
Thu 6/25
9:15 pm-12:20 am
1 stop5h 05m
Denver Intl
Mon 6/29
2:20 pm-11:15 pm
2 stops6h 55m
$344
CharlotteDenver
CLT - DEN
CLTDEN
Charlotte Douglas
Fri 4/17
6:15 am-1:30 pm
2 stops9h 15m
Denver Intl
Sun 4/19
1:10 pm-10:50 pm
2 stops7h 40m
$357
CharlotteDenver
CLT - DEN
CLTDEN
Charlotte Douglas
Thu 6/11
6:35 am-11:45 am
2 stops7h 10m
Denver Intl
Wed 6/17
7:40 am-5:40 pm
2 stops8h 00m
$364
Showing 1-10 of 23 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
How far ahead should I book a flight from Charlotte to Boulder?
Use this chart to determine the optimal time to book a round-trip flight from Charlotte to Boulder. Price data was last updated on March 13, 2026.
Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from Charlotte to Boulder. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Charlotte to Boulder?
Currently, January is the cheapest month in which you can book a flight from Charlotte to Boulder (average of $69). Flying from Charlotte to Boulder in June is currently the most expensive (average of $159). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
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 March 19, 2026.
It’s typically best to fly out from Charlotte to Boulder in the evening. Doing so could potentially save you 37% on the flight price compared to flying in the morning, which is usually more expensive.
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 March 14, 2026.
Travelers seeking maximum savings on their Charlotte to Boulder flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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 March 19, 2026.
The most flights from CLT to BD9 are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, 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?
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 March 19, 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
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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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Alternative routes for Charlotte to Boulder
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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 March 19, 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 March 19, 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 2,558,603 searches. Data last updated March 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$194 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$311 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$120 | Average$305 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$139 | Average$370 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$177 | Average$339 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$179 | Average$379 | FlexibilityNo cancel fee | On-time63% |