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$93+ 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — DEN
nov 15 — nov 221
sáb 11/15
sáb 11/22
1 adult, Economy
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Cheapflights Tip: The best prices from Charlotte Douglas to Boulder are usually found in January or November, booked 62 days in advance, depart on a Thursday or Friday and return on a Wednesday

Find flight deals from Charlotte to Boulder

Cheapest flights from Charlotte to Boulder
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 outubro 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
seg 11/36:21 pmCLT - DEN
Nonstop3h 54mFrontier
ter 11/44:07 pmDEN - CLT
1 stop25h 02mFrontier
Deal found 10/15$153
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
sex 10/316:07 pmCLT - DEN
Nonstop3h 54mMultiple Airlines
seg 11/31:42 pmDEN - CLT
2 stops21h 18mMultiple Airlines
Deal found 10/15$154
This CheapOair deal was found by Cheapflights users on 10/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 10/306:07 pmCLT - DEN
Nonstop3h 54mFrontier
dom 11/212:16 amDEN - CLT
1 stop6h 46mFrontier
Deal found 10/15$155
This Mytrip deal was found by Cheapflights users on 10/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 11/76:07 pmCLT - DEN
Nonstop3h 54mFrontier
seg 11/1012:00 pmDEN - CLT
Nonstop3h 17mFrontier
Deal found 10/16$156
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
ter 11/45:40 pmCLT - DEN
2 stops17h 22mFrontier
dom 11/912:18 pmDEN - CLT
Nonstop3h 17mFrontier
Deal found 10/15$157
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
seg 11/106:07 pmCLT - DEN
Nonstop3h 54mFrontier
sáb 11/157:59 pmDEN - CLT
1 stop16h 49mFrontier
Deal found 10/16$158
This Cheapflightsfares deal was found by Cheapflights users on 10/15. 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.
qui 12/1812:17 pmCLT - DEN
Nonstop3h 58mFrontier
qua 12/2411:05 amDEN - CLT
Nonstop3h 14mFrontier
Deal found 10/15$159
This CheapOair deal was found by Cheapflights users on 10/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/298:05 pmCLT - DEN
1 stop29h 11mFrontier
seg 11/36:47 pmDEN - CLT
1 stop20h 01mFrontier
Deal found 10/15$160
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
seg 11/36:21 pmCLT - DEN
Nonstop3h 54mFrontier
qui 11/68:44 pmDEN - CLT
1 stop16h 14mFrontier
Deal found 10/16$161
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
seg 11/310:42 pmCLT - DEN
2 stops36h 21mFrontier
sex 11/712:00 pmDEN - CLT
Nonstop3h 17mFrontier
Deal found 10/15$163
This Cheapflightsfares deal was found by Cheapflights users on 10/15. 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.
dom 11/26:07 pmCLT - DEN
Nonstop3h 54mFrontier
dom 11/212:16 amDEN - CLT
1 stop6h 46mFrontier
Deal found 10/15$165

Cheap flight deals from Charlotte to Boulder

Keep the following information in mind while searching for Charlotte to Boulder flight deals. Data was last updated outubro 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$153
(Kiwi.com)

One-way from

$93
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$233
Provider with most accurate pricing for Charlotte Douglas-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Charlotte Douglas-Denver Intl flights.
Search Deals
From Charlotte Douglas to Boulder
Search Deals
One-way flight from Charlotte Douglas to Boulder
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 outubro 16, 2025.
Use the filters below to find and compare flights from Charlotte to Boulder that are best for you.

Fly from

Charlotte

Fly to

Boulder

Route

Depart

Return

Price

CharlotteDenver

CLT - DEN

CLTDEN

Charlotte Douglas

seg 11/10

6:07 pm-8:01 pm

Nonstop3h 54m

Denver Intl

sáb 11/15

7:59 pm-2:48 pm

1 stop16h 49m

$158

CharlotteDenver

CLT - DEN

CLTDEN

Charlotte Douglas

seg 11/10

8:15 am-10:05 am

Nonstop3h 50m

Denver Intl

sáb 11/15

10:00 am-3:14 pm

Nonstop3h 14m

$198

CharlotteDenver

CLT - DEN

CLTDEN

Charlotte Douglas

qua 12/3

7:00 am-12:45 pm

2 stops7h 45m

Denver Intl

qui 12/11

10:15 am-5:40 pm

1 stop5h 25m

$213

CharlotteDenver

CLT - DEN

CLTDEN

Charlotte Douglas

ter 12/9

5:27 am-12:11 pm

1 stop8h 44m

Denver Intl

ter 12/16

6:15 am-4:13 pm

1 stop7h 58m

$217

CharlotteDenver

CLT - DEN

CLTDEN

Charlotte Douglas

seg 11/24

6:00 am-10:22 am

1 stop6h 22m

Denver Intl

qui 11/27

10:39 am-6:28 pm

1 stop5h 49m

$217

CharlotteDenver

CLT - DEN

CLTDEN

Charlotte Douglas

sex 12/5

6:03 am-12:53 pm

1 stop8h 50m

Denver Intl

qui 12/11

12:50 am-8:43 am

1 stop5h 53m

$217

CharlotteDenver

CLT - DEN

CLTDEN

Charlotte Douglas

qui 12/11

12:55 pm-7:50 pm

2 stops8h 55m

Denver Intl

ter 12/16

11:55 pm-10:15 am

1 stop8h 20m

$253

CharlotteDenver

CLT - DEN

CLTDEN

Charlotte Douglas

sáb 11/8

7:45 am-2:00 pm

2 stops8h 15m

Denver Intl

ter 11/11

8:00 am-4:20 pm

2 stops6h 20m

$254

CharlotteDenver

CLT - DEN

CLTDEN

Charlotte Douglas

qua 1/7

7:45 am-3:40 pm

2 stops9h 55m

Denver Intl

dom 1/11

5:30 am-12:15 pm

1 stop4h 45m

$264

CharlotteDenver

CLT - DEN

CLTDEN

Charlotte Douglas

ter 10/28

8:15 am-10:05 am

Nonstop3h 50m

Denver Intl

qui 10/30

9:59 am-3:13 pm

Nonstop3h 14m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 17 results
1
2

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.
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

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 October 10, 2025.

Booking 62 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, November is the cheapest month in which you can book a flight from Charlotte to Boulder (average of $86). Flying from Charlotte to Boulder in June is currently the most expensive (average of $165). 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 outubro 16, 2025.

It’s typically best to fly out from Charlotte to Boulder in the evening. Doing so could potentially save you 43% 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 December 16, 2024.

Travelers seeking maximum savings on their Charlotte to Boulder flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday at noon 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 outubro 16, 2025.

The most flights from CLT to BD9 are scheduled on a Thursday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

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 outubro 16, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United 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.
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,984 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,982 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,043 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,137 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • What airport do you fly from for flights from Charlotte to Boulder?

    Charlotte Douglas (CLT), located 5.7 mi from the city center, is the airport you fly out of when you book flights from Charlotte to Boulder. 6 airlines have flights from Douglas to Boulder on a regular basis. Booking flights from Charlotte Douglas to Boulder should not be difficult; the airport handles an average of 7 outbound flights to Boulder per day.

  • How popular is this Charlotte to Boulder flight route?

    Flights from Charlotte Douglas to Boulder have been viewed 120 times in the past calendar month.

  • How long is the flight from Charlotte to Boulder?

    There are many flights that can get you from Charlotte to Boulder in 3h 50m. Fly via Frontier, United Airlines, or Southwest to get the fastest option. There are 1334 mi between Charlotte and Boulder. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most reliable airlines from Charlotte to Boulder?

    No one likes to see their flight delayed. When booking a flight from Charlotte to Boulder consider choosing United Airlines (91%), American Airlines (84%) or Frontier (82%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Charlotte to Boulder?

    Looking for the cheapest flight from Charlotte to Boulder? While on average our users pay $570, our data indicates the cheapest price to be $89. The most popular route (Charlotte Douglas - Denver Intl), is priced around $123.

  • Can I find deals for flights from Charlotte to Boulder that include hotel bookings?

    Yes. In addition to deals on Charlotte to Boulder flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Charlotte to Boulder?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charlotte to Boulder.

  • Can I find deals for business class flights from Charlotte to Boulder?

    Yes. Cheapflights offers flight deals from Charlotte to Boulder by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Charlotte to Boulder?

    Currently, November is the cheapest month in which you can book a flight from Charlotte to Boulder (average of $86). Flying from Charlotte to Boulder in June is currently the most expensive (average of $165). 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.

See more FAQs

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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 outubro 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$98Average$205FlexibilityNo cancel feeOn-time62%
DeltaCheapest$118Average$355FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$144Average$374FlexibilityNo cancel feeOn-time69%
Sun Country AirCheapest$152Average$305FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$177Average$347FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$190Average$382FlexibilityNo cancel feeOn-time63%

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