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$98+ Cheap flights from Connecticut to Denver (DEN)

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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — DEN
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Connecticut to Denver

Keep the following information in mind while searching for Connecticut to Denver flight deals. Data was last updated August 14, 2025.

Round-trip from

$142
(Frontier)

One-way from

$98
(Cheapflightsfares)

Popular in

June

Cheapest in

January

Average price

$493

Good round-trip deal

$443 or less

Good one-way deal

$242 or less
From Connecticut to Denver Intl
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One-way flight from Connecticut to Denver Intl
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Highest demand for flights based on searches. 2% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Connecticut to Denver Intl.
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Price to beat on a one-way flight from Connecticut to Denver Intl.
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Find flight deals from Connecticut to Denver

Cheapest flights from Connecticut to Denver
Explore the most affordable flight options available from Connecticut to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Frontier deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:56 pmLGA - DEN
Nonstop4h 08mFrontier
Sun 9/2812:04 amDEN - LGA
1 stop9h 57mFrontier
Deal found 8/14$142
This CheapOair deal was found by Cheapflights users on 8/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1010:00 pmLGA - DEN
1 stop11h 45mFrontier
Tue 10/144:08 pmDEN - LGA
Nonstop3h 52mFrontier
Deal found 8/14$143
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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.
Sat 9/610:56 pmLGA - DEN
Nonstop4h 08mFrontier
Sat 9/134:14 pmDEN - LGA
Nonstop3h 57mFrontier
Deal found 8/14$146
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/293:30 pmJFK - DEN
Nonstop4h 26mFrontier
Wed 11/58:39 amDEN - JFK
Nonstop3h 51mFrontier
Deal found 8/13$147
This Cheapflightsfares deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2610:56 pmLGA - DEN
Nonstop4h 08mFrontier
Mon 10/64:14 pmDEN - LGA
Nonstop3h 57mFrontier
Deal found 8/14$148
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2512:55 pmLGA - DEN
1 stop8h 12mFrontier
Thu 9/2512:59 amDEN - LGA
1 stop7h 34mFrontier
Deal found 8/14$149
This CheapOair deal was found by Cheapflights users on 8/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:30 pmLGA - DEN
1 stop6h 01mFrontier
Tue 10/74:08 pmDEN - LGA
Nonstop3h 52mFrontier
Deal found 8/14$150
This Frontier deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1310:56 pmLGA - DEN
Nonstop4h 08mFrontier
Fri 9/194:14 pmDEN - LGA
Nonstop3h 57mFrontier
Deal found 8/14$151
This Frontier deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/121:00 pmJFK - DEN
Nonstop4h 26mFrontier
Fri 11/146:10 amDEN - JFK
Nonstop3h 51mFrontier
Deal found 8/12$151
This Priceline deal was found by Cheapflights users on 8/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:30 amLGA - DEN
1 stop11h 17mFrontier
Tue 10/71:40 pmDEN - LGA
1 stop6h 41mFrontier
Deal found 8/14$152
This Trip.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.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
Fri 9/264:14 pmDEN - LGA
Nonstop3h 57mFrontier
Deal found 8/13$153
This Frontier deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2710:50 pmLGA - DEN
Nonstop4h 20mFrontier
Wed 9/178:00 amDEN - LGA
1 stop10h 59mFrontier
Deal found 8/14$154

Cheapflights Fare Finder

 
Customize your flight search to find flights from Connecticut to Denver 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 14, 2025.
Use the filters below to find and compare flights from Connecticut to Denver that are best for you.

Fly from

Connecticut

Fly to

Denver

Route

Depart

Return

Price

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Thu 10/2

5:30 pm-9:31 pm

1 stop6h 01m

Denver Intl

Tue 10/7

10:01 am-8:59 pm

1 stop8h 58m

$146

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Sat 9/6

11:30 am-7:02 pm

1 stop9h 32m

Denver Intl

Sat 9/13

10:01 am-8:02 pm

1 stop8h 01m

$149

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Mon 10/6

10:56 pm-1:04 am

Nonstop4h 08m

Denver Intl

Mon 10/13

8:47 pm-12:00 pm

1 stop13h 13m

$150

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Sun 9/7

5:30 pm-9:31 pm

1 stop6h 01m

Denver Intl

Sun 9/21

12:59 am-10:33 am

1 stop7h 34m

$150

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Sat 9/20

11:30 am-7:02 pm

1 stop9h 32m

Denver Intl

Mon 9/22

2:05 pm-12:00 pm

1 stop19h 55m

$150

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Sat 10/11

10:55 pm-1:08 am

Nonstop4h 13m

Denver Intl

Sat 10/18

4:08 pm-10:00 pm

Nonstop3h 52m

$150

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Sat 9/13

10:56 pm-1:04 am

Nonstop4h 08m

Denver Intl

Fri 9/19

4:14 pm-10:11 pm

Nonstop3h 57m

$151

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Wed 9/3

6:30 am-11:33 am

1 stop7h 03m

Denver Intl

Fri 9/5

12:59 am-10:33 am

1 stop7h 34m

$152

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Wed 9/17

10:00 pm-7:16 am

1 stop11h 16m

Denver Intl

Sat 9/20

12:59 am-10:33 am

1 stop7h 34m

$155

New YorkDenver

JFK - DEN

JFKDEN

New York John F Kennedy Intl

Tue 9/23

7:55 pm-10:35 pm

Nonstop4h 40m

Denver Intl

Tue 10/7

7:10 am-12:59 pm

Nonstop3h 49m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

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

Have a flexible travel schedule? Discover the best time to fly to Denver 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 Denver

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

Currently, October is the cheapest month in which you can book a flight from Connecticut to Denver (average of $197). Flying from Connecticut to Denver 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 DEN?

Find hourly flight availability from Connecticut to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

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

Weekly flight availability from Connecticut to Denver

Explore weekly flight availability from Connecticut to Denver. 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 14, 2025.

The most flights from USCT to DEN are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Related info for your journey

Find useful and relevant information for your journey from Connecticut to Denver. 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 into for flights to Denver from Connecticut?

    Denver Intl (DEN), located 18.5 mi from the city center, is the airport you fly into when you book flights from Connecticut to Denver.

  • How popular is this Connecticut to Denver flight route?

    Flights from Connecticut to Denver Intl have been viewed 31 times in the past calendar month.

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

    One-way options have recently been found by users for as low as $98 on Frontier. Other airlines that offer cheap prices include United Airlines from $99 and American Airlines from $119 one-way.

  • What are the most popular routes from Connecticut to Denver?

    While some choose either New York LaGuardia - Denver Intl or Newark - Denver Intl, New York John F Kennedy Intl - Denver Intl is the most popular route from Connecticut to Denver.

  • What are the cheapest flights from Connecticut to Denver?

    Looking for the cheapest flight from Connecticut to Denver? While on average our users pay $909, our data indicates the cheapest price to be $171. The most popular route (New York John F Kennedy Intl - Denver Intl), is priced around $163.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Connecticut to Denver (average of $197). Flying from Connecticut to Denver 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

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Westminster
Black Hawk
Golden
Winter Park
Greeley
Lone Tree
Lakewood
Cripple Creek
Silverthorne
Thornton
Broomfield
Frisco
Manitou Springs
Grand Lake
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Brighton
Longmont

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Connecticut to Denver

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 Denver

Discover the top 5 airlines that operate flights from Connecticut to Denver. 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 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$237FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$188Average$485FlexibilityNo cancel feeOn-time71%
DeltaCheapest$227Average$374FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$290Average$468FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$372Average$502FlexibilityNo cancel feeOn-time69%

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