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Cheap flights from Connecticut to Denver from $63

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Connecticut to Denver departing on 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Connecticut to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:55 pm - 7:32 amLGA-DEN
10h 37m1 stop
Frontier Logo
4:26 pm - 10:03 pmDEN-LGA
3h 37mnonstop
$139Frontier
Find Deal
Thu, Nov 20 - Mon, Nov 24
Frontier Logo
6:15 am - 11:51 amJFK-DEN
7h 36m1 stop
Frontier Logo
6:22 am - 12:06 pmDEN-JFK
3h 44mnonstop
$140Frontier
Find Deal
Fri, Nov 21 - Tue, Nov 25
Multiple Airlines Logo
10:55 pm - 1:08 amLGA-DEN
4h 13mnonstop
Multiple Airlines Logo
6:40 am - 5:30 pmDEN-LGA
8h 50m1 stop
$143Multiple Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 24
Multiple Airlines Logo
10:00 pm - 6:46 amLGA-DEN
10h 46m1 stop
Multiple Airlines Logo
8:05 am - 8:00 pmDEN-LGA
9h 55m1 stop
$146Multiple Airlines
Find Deal
Wed, Nov 12 - Mon, Nov 17
Delta Logo
8:10 am - 10:53 amJFK-DEN
4h 43mnonstop
Delta Logo
7:10 am - 12:59 pmDEN-JFK
3h 49mnonstop
$157Delta
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Thu, Dec 4 - Sat, Dec 13
Delta Logo
3:20 pm - 5:53 pmLGA-DEN
4h 33mnonstop
Delta Logo
6:46 am - 12:28 pmDEN-LGA
3h 42mnonstop
$157Delta
Find Deal
Sat, Dec 6 - Sat, Dec 13
United Airlines Logo
6:29 pm - 9:03 pmLGA-DEN
4h 34mnonstop
United Airlines Logo
3:45 pm - 9:26 pmDEN-LGA
3h 41mnonstop
$165United Airlines
Find Deal
Tue, Dec 2 - Fri, Dec 5
JetBlue Logo
8:23 am - 11:05 amJFK-DEN
4h 42mnonstop
JetBlue Logo
11:28 pm - 5:00 amDEN-JFK
3h 32mnonstop
$167JetBlue
Find Deal
Sat, Dec 6 - Sun, Dec 14
United Airlines Logo
9:15 pm - 11:44 pmEWR-DEN
4h 29mnonstop
United Airlines Logo
11:59 pm - 5:34 amDEN-EWR
3h 35mnonstop
$219United Airlines
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Tue, Dec 2 - Sat, Dec 6
JetBlue Logo
7:00 am - 10:07 pmPVD-DEN
17h 07m1 stop
JetBlue Logo
11:28 pm - 11:50 pmDEN-PVD
22h 22m1 stop
$237JetBlue
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Thu, Dec 4 - Mon, Dec 8

JetBlue flights from Connecticut to Denver

Our best JetBlue deals on Connecticut to Denver flight tickets
JetBlue
Dec 6
JFK8:23 amNew York John F Kennedy Intl
4h 42m
DEN11:05 amDenver Intl
Dec 14
DEN11:28 pmDenver Intl
3h 32m
JFK5:00 amNew York John F Kennedy Intl
$167
Find similar
JetBlue
Dec 4
PVD7:00 amProvidence-TFGreen
17h 07m
1 stop
DEN10:07 pmDenver Intl
Dec 8
DEN11:28 pmDenver Intl
22h 22m
1 stop
PVD11:50 pmProvidence-TFGreen
$237
Find similar
JetBlue
Dec 8
BDL7:02 amHartford Bradley Intl
17h 05m
1 stop
DEN10:07 pmDenver Intl
Dec 16
DEN11:50 amDenver Intl
8h 52m
1 stop
BDL10:42 pmHartford Bradley Intl
$267
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Frontier flights from Connecticut to Denver

Our best Frontier deals on Connecticut to Denver flight tickets
Frontier
Nov 20
LGA10:55 pmNew York LaGuardia
10h 37m
1 stop
DEN7:32 amDenver Intl
Nov 24
DEN4:26 pmDenver Intl
3h 37m
LGA10:03 pmNew York LaGuardia
$139
Find similar
Frontier
Nov 12
LGA6:24 amNew York LaGuardia
9h 21m
1 stop
DEN1:45 pmDenver Intl
Nov 13
DEN4:08 pmDenver Intl
3h 52m
LGA10:00 pmNew York LaGuardia
$140
Find similar
Frontier
Jan 15
JFK4:29 pmNew York John F Kennedy Intl
4h 52m
DEN7:21 pmDenver Intl
Jan 22
DEN11:25 pmDenver Intl
7h 39m
1 stop
JFK9:04 amNew York John F Kennedy Intl
$141
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momondo 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, momondo users made 832,500 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Connecticut to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Thu 11/20

10:55 pm-7:32 am

1 stop10h 37m

Denver Intl

Mon 11/24

4:26 pm-10:03 pm

Nonstop3h 37m

$139

New YorkDenver

JFK - DEN

JFKDEN

New York John F Kennedy Intl

Fri 11/21

6:15 am-11:51 am

1 stop7h 36m

Denver Intl

Tue 11/25

6:22 am-12:06 pm

Nonstop3h 44m

$140

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Thu 11/13

10:55 pm-1:08 am

Nonstop4h 13m

Denver Intl

Mon 11/24

6:40 am-5:30 pm

1 stop8h 50m

$143

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Wed 11/12

10:00 pm-6:46 am

1 stop10h 46m

Denver Intl

Mon 11/17

8:05 am-8:00 pm

1 stop9h 55m

$146

New YorkDenver

JFK - DEN

JFKDEN

New York John F Kennedy Intl

Thu 12/4

8:10 am-10:53 am

Nonstop4h 43m

Denver Intl

Sat 12/13

7:10 am-12:59 pm

Nonstop3h 49m

$157

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Sat 12/6

3:20 pm-5:53 pm

Nonstop4h 33m

Denver Intl

Sat 12/13

6:46 am-12:28 pm

Nonstop3h 42m

$157

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Tue 12/2

6:29 pm-9:03 pm

Nonstop4h 34m

Denver Intl

Fri 12/5

3:45 pm-9:26 pm

Nonstop3h 41m

$165

New YorkDenver

JFK - DEN

JFKDEN

New York John F Kennedy Intl

Sat 12/6

8:23 am-11:05 am

Nonstop4h 42m

Denver Intl

Sun 12/14

11:28 pm-5:00 am

Nonstop3h 32m

$167

NewarkDenver

EWR - DEN

EWRDEN

Newark

Tue 12/2

9:15 pm-11:44 pm

Nonstop4h 29m

Denver Intl

Sat 12/6

11:59 pm-5:34 am

Nonstop3h 35m

$219

ProvidenceDenver

PVD - DEN

PVDDEN

Providence-TFGreen

Thu 12/4

7:00 am-10:07 pm

1 stop17h 07m

Denver Intl

Mon 12/8

11:28 pm-11:50 pm

1 stop22h 22m

$237

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denver from

How to get the cheapest flight ticket from Connecticut to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Connecticut is in January. Flight prices, which tend to average around $435, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in January, then you should wait until September to fly from Connecticut, when ticket prices are also cheap, with an average price of $453.

What is the cheapest Connecticut to Denver Intl flight route?

Fly from Hartford Bradley Intl to Denver Intl for the best Connecticut - Denver Intl flight prices

What cabin class options are available on Connecticut to Denver Intl flights?

There are 4 cabin classes available to choose from on Connecticut to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Connecticut to Denver flights?

No. A direct flight is the cheapest option for a flight between Connecticut to Denver.

Cheap Connecticut to Denver flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Connecticut to Denver

Best Price Found

$240

Fastest flight time

4h 13m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from Connecticut in the past 72 hours is $240. The best round-trip flight deal from Connecticut to Denver found on momondo in the last 72 hours is $421.
The fastest flight from Connecticut to Denver takes 4h 13m
Direct flights go from Connecticut to Denver every day.
There is 1 airport near Denver: Denver Intl (DEN)
Search flight deals

  • When did momondo last update prices for flights from Connecticut to Denver Intl Airport?

    Prices for flights from Connecticut to Denver Intl Airport refresh daily.

  • How many operators does momondo search for flights from Connecticut to Denver Intl Airport?

  • How old do you have to be to fly from Connecticut to Denver Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Connecticut to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Connecticut to Denver?

Best airlines flying from Connecticut to Denver

Compare and see reviews for airlines that fly from Connecticut to Denver with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $110Free CancellationRating
5.8
3,115 reviews
Search Frontier flights
American AirlinesPriceFrom $196Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
DeltaPriceFrom $208Free CancellationRating
7.9
8,001 reviews
Search Delta flights
SouthwestPriceFrom $329Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
United AirlinesPriceFrom $362Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Estes Park
Black Hawk
Aurora
Fort Collins
Keystone
Cripple Creek
Manitou Springs
Longmont
Boulder
Greeley
Lakewood
Thornton
Westminster
Winter Park
Copper Mountain
Silverthorne
Frisco
Centennial
Grand Lake

Why use momondo?

Why should I use momondo to find a flight deal from Connecticut to Denver?

Finding the right flight to Denver from Connecticut is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Denver quick and easy, saving you time and money.

Can I find flights from Connecticut to Denver with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Denver from Connecticut with this policy.

How can momondo help me find flights from Connecticut to Denver?

Once you have performed a search for Connecticut to Denver flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Connecticut to Denver right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Connecticut to Denver flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Denver trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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