Trip.com
>
Flights
>
Flights to United States
>
Flights to Connecticut
>
Flights to New Haven
Hotels in New Haven
>
Flights from Denver to New Haven

Find cheap airlines flights from Denver to New Haven

Choose from 2 carriers that fly from Denver to New Haven, including Avelo Airlines, Frontier Airlines, Enjoy the cheapest tickets on this route with Frontier Airlines.
Avelo Airlines logo Avelo Airlines Frontier Airlines logo Frontier Airlines

Find flight deals from Denver to New Haven for the next 3 months. Book one way flights from $104 or round trip flights from $165.

      • DEN 12:59 AM
        9h 43m
        1 stop
        HVN 12:42 PM
        Denver - New Haven | Fri, Dec 5 | Frontier Airlines
        HVN 7:30 AM
        27h 32m
        1 stop
        DEN 9:02 AM
        New Haven - Denver | Sun, Dec 7 | Avelo Airlines
        $165 $445
        63% OFF
        63% OFF
        $445 $165
      • DEN 6:44 AM
        13h 46m
        1 stop
        HVN 10:30 PM
        Denver - New Haven | Wed, Dec 31 | American Airlines
        HVN 2:20 PM
        10h 6m
        1 stop
        DEN 10:26 PM
        New Haven - Denver | Thu, Jan 1 | Avelo Airlines
        $308 $445
        31% OFF
        31% OFF
        $445 $308
      • DEN 9:44 AM
        10h 19m
        1 stop
        HVN 10:03 PM
        Denver - New Haven | Fri, Jan 9 | Frontier Airlines
        HVN 3:20 PM
        30h 40m
        1 stop
        DEN 8:00 PM
        New Haven - Denver | Fri, Jan 16 | Avelo Airlines
        $334 $445
        25% OFF
        25% OFF
        $445 $334
      • DEN 7:35 AM
        13h 14m
        1 stop
        HVN 10:49 PM
        Denver - New Haven | Fri, Dec 26 | Frontier Airlines
        HVN 7:10 PM
        17h 3m
        1 stop
        DEN 10:13 AM
        New Haven - Denver | Mon, Dec 29 | Avelo Airlines
        $338
        24% OFF
        $445 $338
      • DEN 8:45 PM
        19h 35m
        1 stop
        HVN 6:20 PM
        Denver - New Haven | Mon, Dec 29 | Frontier Airlines
        HVN 2:20 PM
        20h 36m
        1 stop
        DEN 8:56 AM
        New Haven - Denver | Thu, Jan 1 | Avelo Airlines
        $362
        19% OFF
        $445 $362
      • DEN 9:34 AM
        10h 56m
        1 stop
        HVN 10:30 PM
        Denver - New Haven | Mon, Dec 8 | Frontier Airlines
        HVN 7:30 AM
        17h 34m
        1 stop
        DEN 11:04 PM
        New Haven - Denver | Wed, Dec 10 | Avelo Airlines
        $363
        18% OFF
        $445 $363
      • DEN 1:16 PM
        21h 7m
        1 stop
        HVN 12:23 PM
        Denver - New Haven | Fri, Nov 21 | Frontier Airlines
        HVN 11:25 AM
        22h 3m
        1 stop
        DEN 7:28 AM
        New Haven - Denver | Sun, Nov 23 | Avelo Airlines
        $374
        16% OFF
        $445 $374
      • DEN 6:44 AM
        9h 36m
        1 stop
        HVN 6:20 PM
        Denver - New Haven | Tue, Dec 30 | American Airlines
        HVN 2:20 PM
        10h 6m
        1 stop
        DEN 10:26 PM
        New Haven - Denver | Thu, Jan 1 | Avelo Airlines
        $383
        14% OFF
        $445 $383
      • DEN 12:35 PM
        27h 45m
        1 stop
        HVN 6:20 PM
        Denver - New Haven | Mon, Dec 29 | American Airlines
        HVN 2:20 PM
        21h 48m
        1 stop
        DEN 10:08 AM
        New Haven - Denver | Thu, Jan 1 | Avelo Airlines
        $398
        10% OFF
        $445 $398
      • DEN 8:45 PM
        20h 55m
        1 stop
        HVN 7:40 PM
        Denver - New Haven | Wed, Dec 24 | Frontier Airlines
        HVN 2:20 PM
        12h 25m
        1 stop
        DEN 12:45 AM
        New Haven - Denver | Sun, Dec 28 | Avelo Airlines
        $418
        6% OFF
        $445 $418
      • DEN 1:00 PM
        17h 25m
        1 stop
        HVN Invalid Date
        Denver - New Haven | Fri, Nov 21 | Normal Airline
        HVN 3:00 PM
        6h
        Nonstop
        DEN 4:00 PM
        New Haven - Denver | Sun, Nov 23 | Normal Airline
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Denver to New Haven

The distance between Denver and New Haven is about 2,674.05 km. The most popular month to New Haven is December. The off-season for travel is November.

Cheapest one-way flight price$104
Cheapest round-trip ticket price$165
Off-season for travelNovember
Peak season for travelDecember
Flight distance2,674.05 km
Popular airlineAvelo Airlines

When is the cheapest time to fly from Denver to New Haven?

The cheapest time for Denver to New Haven flights: Nov 30 to Dec 7 — one way flight prices from $104.

Cheapest flights
From price
Search
  • 1623
  • 2330

  • Dec

    307
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • Which airlines offer direct flights from Denver to New Haven?

    At the moment, you can catch a nonstop flight from Denver to New Haven with the following airlines, including: Frontier Airlines Avelo Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Denver to New Haven is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • The cheapest months to fly from Denver to New Haven is November, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Denver to New Haven on November 20, 2025 with Allegiant Air, with prices starting at $120.
  • You can land at any one of the following hubs in New Haven, with Denver International Airport to Tweed New Haven Airport (DEN-HVN) is by far the most common option on this route: Tweed New Haven Airport (HVN).
  • The time difference between New Haven and Denver is 2h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Explore More Popular Flights