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$90+ Cheap flights from Connecticut to Colorado

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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — DEN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Connecticut to Colorado

Keep the following information in mind while searching for Connecticut to Colorado flight deals. Data was last updated September 11, 2025.

Round-trip from

$125
(Cheapflightsfares)

One-way from

$90
(Booking.com)

Popular in

June

Cheapest in

January

Average price

$451

Good round-trip deal

$416 or less

Good one-way deal

$228 or less
From Connecticut to Colorado
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One-way flight from Connecticut to Colorado
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Highest demand for flights based on searches. 2% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Connecticut to Colorado.
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Price to beat on a one-way flight from Connecticut to Colorado.
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Find flight deals from Connecticut to Colorado

Cheapest flights from Connecticut to Colorado
Explore the most affordable flight options available from Connecticut to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 10/1411:00 amJFK - DEN
1 stop8h 09mFrontier
Wed 10/156:10 amDEN - JFK
Nonstop3h 51mFrontier
Deal found 9/10$125
This Frontier deal was found by Cheapflights users on 9/10. 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 10/2111:00 amJFK - DEN
1 stop8h 09mFrontier
Wed 10/226:10 amDEN - JFK
Nonstop3h 51mFrontier
Deal found 9/10$126
This Southwest deal was found by Cheapflights users on 9/10. 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 10/219:00 amLGA - DEN
1 stop5h 45mSouthwest
Tue 10/286:20 amDEN - LGA
Nonstop3h 40mSouthwest
Deal found 9/10$129
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/235:31 pmLGA - DEN
1 stop28h 33mFrontier
Mon 10/278:54 pmDEN - LGA
1 stop16h 37mFrontier
Deal found 9/10$130
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 10/294:00 pmJFK - DEN
Nonstop4h 26mFrontier
Thu 10/306:00 amDEN - JFK
1 stop7h 01mFrontier
Deal found 9/10$130
This Frontier deal was found by Cheapflights users on 9/9. 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 10/2110:55 pmLGA - DEN
Nonstop4h 13mFrontier
Sat 10/254:08 pmDEN - LGA
Nonstop3h 52mFrontier
Deal found 9/9$131
This Booking.com deal was found by Cheapflights users on 9/11. 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.
Sat 10/2511:00 amJFK - DEN
1 stop23h 31mFrontier
Mon 10/276:10 amDEN - JFK
Nonstop3h 51mFrontier
Deal found 9/11$131
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 10/110:56 pmLGA - DEN
Nonstop4h 08mFrontier
Fri 10/34:14 pmDEN - LGA
Nonstop3h 57mFrontier
Deal found 9/11$133
This Southwest deal was found by Cheapflights users on 9/11. 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 10/1512:30 pmLGA - DEN
1 stop8h 00mSouthwest
Tue 10/216:20 amDEN - LGA
Nonstop3h 40mSouthwest
Deal found 9/11$134
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 10/221:00 pmJFK - DEN
Nonstop4h 24mFrontier
Wed 10/2212:36 amDEN - JFK
1 stop7h 48mFrontier
Deal found 9/10$135
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 9/2410:56 pmLGA - DEN
Nonstop4h 08mFrontier
Wed 10/14:14 pmDEN - LGA
Nonstop3h 57mFrontier
Deal found 9/11$136
This Priceline deal was found by Cheapflights users on 9/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2110:55 pmLGA - DEN
Nonstop4h 13mFrontier
Mon 10/2712:59 amDEN - LGA
1 stop8h 30mFrontier
Deal found 9/10$137

Cheapflights Fare Finder

 
Customize your flight search to find flights from Connecticut to Colorado 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 September 11, 2025.
Use the filters below to find and compare flights from Connecticut to Colorado that are best for you.

Fly from

Connecticut

Fly to

Colorado

Route

Depart

Return

Price

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Fri 11/7

5:55 pm-8:25 pm

Nonstop4h 30m

Denver Intl

Mon 11/10

6:20 am-12:05 pm

Nonstop3h 45m

$171

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Wed 10/22

7:30 am-9:52 am

Nonstop4h 22m

Denver Intl

Sat 10/25

11:25 am-5:04 pm

Nonstop3h 39m

$177

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Wed 10/15

3:35 pm-10:05 pm

1 stop8h 30m

Denver Intl

Tue 10/21

11:00 am-8:00 pm

2 stops7h 00m

$184

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Tue 11/11

6:00 am-11:20 am

1 stop7h 20m

Denver Intl

Thu 11/13

1:15 pm-9:55 pm

1 stop6h 40m

$190

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Wed 10/22

10:40 am-5:00 pm

2 stops8h 20m

Denver Intl

Sat 10/25

2:10 pm-9:25 pm

1 stop5h 15m

$193

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Fri 9/26

9:55 pm-12:10 am

Nonstop4h 15m

Denver Intl

Tue 9/30

6:30 am-12:10 pm

Nonstop3h 40m

$196

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Fri 10/3

5:59 pm-8:19 pm

Nonstop4h 20m

Denver Intl

Wed 10/8

5:45 am-3:50 pm

1 stop8h 05m

$197

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Fri 11/14

6:10 pm-8:43 pm

Nonstop4h 33m

Denver Intl

Mon 11/17

12:50 am-8:44 am

1 stop5h 54m

$197

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Tue 10/21

7:30 am-9:52 am

Nonstop4h 22m

Denver Intl

Wed 10/22

5:50 pm-11:34 pm

Nonstop3h 44m

$207

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Thu 11/6

6:29 pm-8:58 pm

Nonstop4h 29m

Denver Intl

Sat 11/8

11:25 am-5:04 pm

Nonstop3h 39m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 60 results
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Best time to book a flight from Connecticut to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Connecticut 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 Connecticut to Colorado

What is the cheapest month to book a flight from Connecticut to Colorado?

Currently, October is the cheapest month in which you can book a flight from Connecticut to Colorado (average of $197). Flying from Connecticut to Colorado in March is currently the most expensive (average of $278). 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 CT to CO?

Find hourly flight availability from Connecticut to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Connecticut to Colorado as you normally would.

Weekly flight availability from Connecticut to Colorado

Explore weekly flight availability from Connecticut to Colorado. 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 11, 2025.

The most flights from USCT to USCO are scheduled on a Monday (3 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Connecticut to Colorado?

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated September 11, 2025.
Read through reviews of airlines operating flights from Connecticut to Colorado, such as Southwest, Delta, and United Airlines. 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
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

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
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

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
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

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
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

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
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

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
3,177 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

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 Connecticut to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Connecticut to Colorado flight route?

    Within the past month, 27 users have taken a look at flights from Connecticut to Colorado.

  • How long is the flight from Connecticut to Colorado?

    Southwest, Delta, and United Airlines can get you from Connecticut to Colorado in just under 4h 18m. Your travel time will be generally consistent. There are 1599 mi between Connecticut and Colorado. Generally, flights for this route are nonstop.

  • What are the cheapest airlines to fly from Connecticut to Colorado one-way?

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $90. Delta flights start at $99 while deals on United Airlines start at $99 one-way.

  • Can I find deals for flights from Connecticut to Colorado that include hotel bookings?

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

  • How can I find direct flights from Connecticut to Colorado?

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

  • Can I find deals for business class flights from Connecticut to Colorado?

    Yes. Cheapflights offers flight deals from Connecticut to Colorado 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 Connecticut to Colorado?

    Currently, October is the cheapest month in which you can book a flight from Connecticut to Colorado (average of $197). Flying from Connecticut to Colorado in March is currently the most expensive (average of $278). 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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Alternative routes for Connecticut to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Connecticut to Colorado

Discover the top 5 airlines that operate flights from Connecticut to Colorado. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$112Average$241FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$129Average$497FlexibilityNo cancel feeOn-time71%
DeltaCheapest$217Average$404FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$261Average$574FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$297Average$462FlexibilityNo cancel feeOn-time63%

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