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$68+ 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — DEN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/410:00 amJFK - DEN
1 stop13h 38mFrontier
Mon 12/812:59 amDEN - JFK
1 stop9h 01mFrontier
Deal found 10/28$138
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/1412:30 pmLGA - DEN
1 stop10h 58mFrontier
Tue 11/1812:59 amDEN - LGA
1 stop8h 30mFrontier
Deal found 10/29$139
This Priceline deal was found by Cheapflights users on 10/29. 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 11/144:00 pmJFK - DEN
Nonstop4h 26mFrontier
Mon 11/179:09 amDEN - JFK
Nonstop3h 51mFrontier
Deal found 10/29$140
This CheapOair deal was found by Cheapflights users on 10/30. 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 12/58:30 pmLGA - DEN
1 stop14h 32mFrontier
Sat 12/1311:25 pmDEN - LGA
1 stop10h 04mFrontier
Deal found 10/30$141
This Frontier deal was found by Cheapflights users on 10/29. 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 11/74:00 pmJFK - DEN
Nonstop4h 26mFrontier
Wed 11/129:09 amDEN - JFK
Nonstop3h 51mFrontier
Deal found 10/29$141
This CheapOair deal was found by Cheapflights users on 10/30. 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 11/1410:55 pmLGA - DEN
1 stop20h 06mFrontier
Sun 11/164:08 pmDEN - LGA
Nonstop3h 52mFrontier
Deal found 10/30$142
This Priceline deal was found by Cheapflights users on 10/30. 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 11/144:00 pmJFK - DEN
Nonstop4h 26mFrontier
Sat 11/1512:16 amDEN - JFK
1 stop8h 13mFrontier
Deal found 10/30$142
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/28:30 pmLGA - DEN
1 stop15h 25mMultiple Airlines
Sat 12/64:25 pmDEN - LGA
Nonstop3h 35mMultiple Airlines
Deal found 10/29$143
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/34:29 pmJFK - DEN
Nonstop4h 40mFrontier
Fri 12/58:45 pmDEN - JFK
1 stop13h 15mFrontier
Deal found 10/28$143
This Priceline deal was found by Cheapflights users on 10/30. 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.
Thu 12/412:30 pmLGA - DEN
1 stop9h 20mFrontier
Sat 12/1311:25 pmDEN - LGA
1 stop10h 04mFrontier
Deal found 10/30$144
This Frontier deal was found by Cheapflights users on 10/29. 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 12/511:20 amJFK - DEN
1 stop12h 39mFrontier
Sun 12/79:05 pmDEN - JFK
1 stop11h 20mFrontier
Deal found 10/29$144
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/510:55 pmLGA - DEN
Nonstop4h 28mFrontier
Sun 12/76:00 amDEN - LGA
1 stop13h 13mFrontier
Deal found 10/29$145

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 October 30, 2025.

Round-trip from

$139
(Kiwi.com)

One-way from

$68
(Kiwi.com)

Popular in

November

Cheapest in

January

Average price

$501

Good round-trip deal

$445 or less

Good one-way deal

$252 or less
From Connecticut to Denver Intl
Search Deals
One-way flight from Connecticut to Denver Intl
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Connecticut to Denver Intl.
Search Deals
Price to beat on a one-way flight from Connecticut to Denver Intl.
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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 October 30, 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

JFK - DEN

JFKDEN

New York John F Kennedy Intl

Sat 1/10

8:00 am-10:45 am

Nonstop4h 45m

Denver Intl

Mon 1/12

11:35 am-5:21 pm

Nonstop3h 46m

$207

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Tue 11/11

8:45 pm-9:02 am

1 stop14h 17m

Denver Intl

Wed 11/12

11:26 am-8:30 pm

1 stop7h 04m

$208

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Sat 11/15

3:20 pm-5:51 pm

Nonstop4h 31m

Denver Intl

Mon 11/17

11:23 am-5:00 pm

Nonstop3h 37m

$217

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Fri 1/30

7:15 am-9:53 am

Nonstop4h 38m

Denver Intl

Sun 2/1

6:00 am-2:18 pm

1 stop6h 18m

$217

New YorkDenver

JFK - DEN

JFKDEN

New York John F Kennedy Intl

Fri 11/14

8:25 am-11:05 am

Nonstop4h 40m

Denver Intl

Sat 11/15

11:50 am-5:29 pm

Nonstop3h 39m

$217

NewarkDenver

EWR - DEN

EWRDEN

Newark

Thu 11/13

3:38 pm-10:59 pm

1 stop9h 21m

Denver Intl

Mon 11/17

6:20 pm-5:36 am

1 stop9h 16m

$217

New YorkDenver

JFK - DEN

JFKDEN

New York John F Kennedy Intl

Sat 11/15

8:25 am-11:05 am

Nonstop4h 40m

Denver Intl

Mon 11/17

11:51 am-5:30 pm

Nonstop3h 39m

$217

NewarkDenver

EWR - DEN

EWRDEN

Newark

Fri 12/5

5:30 pm-10:45 am

1 stop19h 15m

Denver Intl

Sun 12/7

6:00 am-6:26 pm

1 stop10h 26m

$224

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Fri 11/14

6:00 am-10:24 am

1 stop6h 24m

Denver Intl

Sun 11/16

8:15 am-1:59 pm

Nonstop3h 44m

$227

New YorkDenver

JFK - DEN

JFKDEN

New York John F Kennedy Intl

Tue 11/18

4:15 pm-6:47 pm

Nonstop4h 32m

Denver Intl

Mon 11/24

11:59 pm-6:00 am

Nonstop4h 01m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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 $200). Flying from Connecticut to Denver in April is currently the most expensive (average of $367). 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 October 30, 2025.

One of the essential ways to save on airfare from Connecticut to Denver is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 12% on airfare.

What is the cheapest day to fly from Connecticut to Denver?

Use this chart to determine the cheapest time to fly round-trip from Connecticut to Denver. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their Connecticut to Denver flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 26 times in the past calendar month.

  • How long is the flight from Connecticut to Denver?

    Airlines like JetBlue, Delta, and United Airlines fly from Connecticut to Denver in about 4h 31m. The time it takes to get you to your destination is usually consistent. The distance between Connecticut and Denver is about 1614 mi. Generally, flights for this route are nonstop.

  • 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 $89 on Delta. Other airlines that offer cheap prices include United Airlines from $99 and Alaska Airlines from $113 one-way.

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

    While some choose either Newark - Denver Intl or New York LaGuardia - 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 $1,114, our data indicates the cheapest price to be $175. The most popular route (New York John F Kennedy Intl - Denver Intl), is priced around $127.

  • 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 $200). Flying from Connecticut to Denver in April is currently the most expensive (average of $367). 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
Black Hawk
Westminster
Broomfield
Lakewood
Golden
Winter Park
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Central City
Manitou Springs
Fort Morgan
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker
Sterling

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$264FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$196Average$505FlexibilityNo cancel feeOn-time71%
DeltaCheapest$208Average$415FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$313Average$478FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$376Average$507FlexibilityNo cancel feeOn-time69%

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