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Flights from Hartford to Denver

Hi, I've summed up all the key info for Hartford to Denver flights

Cheapest one-way

$ 141
Frontier Airlines Mon, Sep 28

55% below next 30d avg. ($316)

Cheapest round-trip

$ 280
Frontier Airlines Sat, Sep 12

54% below next 30d avg. ($611)

When to travel

November Cheapest month
July Peak month

Fastest flight

4h 20m 1h 40m faster than avg. (6h)

Recommended airlines

With a lowest one-way fare of $141 , travelers can expect an average price of $316 for upcoming trips, while round-trip tickets start at $280 . Flights typically take around 6h , but the fastest nonstop option completes the journey in just 4h 20m minutes. There are 13 flights weekly on this route. You can arrive at any of the following airports in Denver: Denver International Airport (DEN) , and Rocky Mountain Metropolitan Airport (BJC) . Flights from Bradley International Airport to Denver International Airport (BDL-DEN) are by far the most popular option for this route. To secure the best rates, booking 40 days in advance is recommended, and the cheapest travel days are Tuesday, Wednesday, and Saturday .

Updated 1d ago · This content is an AI-powered summary based on Trip.com data. Prices and availability are subject to change. Please refer to actual prices, availability, and travel conditions.

Explore the cheapest one-way and round-trip flights from Hartford to Denver over the next 90 days, with one-way fares from $141 and round-trip from $280. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        BDL 8:00 AM
        4h 20m
        Nonstop
        DEN 10:20 AM
        Hartford - Denver | Tue, Oct 20 | United Airlines
        DEN 5:41 PM
        3h 53m
        Nonstop
        BDL 11:34 PM
        Denver - Hartford | Sat, Oct 24 | United Airlines
        $438 $534
        18% off
        18% off
        $534 $438
      • BDL 3:36 PM
        4h 24m
        Nonstop
        DEN 6:00 PM
        Hartford - Denver | Tue, Sep 15 | United Airlines
        DEN 5:50 PM
        3h 53m
        Nonstop
        BDL 11:43 PM
        Denver - Hartford | Mon, Sep 21 | United Airlines
        $448 $534
        16% off
        16% off
        $534 $448
      • BDL 6:13 PM
        15h 24m
        1 stop
        DEN 7:37 AM
        Hartford - Denver | Sat, Sep 12 | Frontier Airlines
        DEN 7:12 PM
        17h 6m
        1 stop
        BDL 2:18 PM
        Denver - Hartford | Thu, Sep 17 | Frontier Airlines
        $280 $534
        48% off
        48% off
        $534 $280
      • BDL 3:16 PM
        18h 36m
        1 stop
        DEN 7:52 AM
        Hartford - Denver | Mon, Sep 28 | Frontier Airlines
        DEN 7:12 PM
        17h 6m
        1 stop
        BDL 2:18 PM
        Denver - Hartford | Wed, Sep 30 | Frontier Airlines
        $280
        48% off
        $534 $280
      • BDL 6:13 PM
        15h 24m
        1 stop
        DEN 7:37 AM
        Hartford - Denver | Sat, Sep 26 | Frontier Airlines
        DEN 7:12 PM
        17h 6m
        1 stop
        BDL 2:18 PM
        Denver - Hartford | Thu, Oct 1 | Frontier Airlines
        $311
        42% off
        $534 $311
      • BDL 3:16 PM
        18h 51m
        1 stop
        DEN 8:07 AM
        Hartford - Denver | Mon, Oct 12 | Frontier Airlines
        DEN 7:02 PM
        17h 19m
        1 stop
        BDL 2:21 PM
        Denver - Hartford | Sun, Oct 18 | Frontier Airlines
        $324
        39% off
        $534 $324
      • BDL 6:13 PM
        15h 24m
        1 stop
        DEN 7:37 AM
        Hartford - Denver | Sat, Sep 19 | Frontier Airlines
        DEN 6:40 AM
        29h 38m
        1 stop
        BDL 2:18 PM
        Denver - Hartford | Thu, Sep 24 | Frontier Airlines
        $332
        38% off
        $534 $332
      • BDL 3:16 PM
        18h 36m
        1 stop
        DEN 7:52 AM
        Hartford - Denver | Mon, Sep 14 | Frontier Airlines
        DEN 7:12 PM
        17h 6m
        1 stop
        BDL 2:18 PM
        Denver - Hartford | Thu, Sep 17 | Frontier Airlines
        $338
        37% off
        $534 $338
      • BDL 3:16 PM
        18h 36m
        1 stop
        DEN 7:52 AM
        Hartford - Denver | Fri, Sep 25 | Frontier Airlines
        DEN 7:12 PM
        17h 6m
        1 stop
        BDL 2:18 PM
        Denver - Hartford | Thu, Oct 1 | Frontier Airlines
        $345
        35% off
        $534 $345
      • BDL 3:16 PM
        30h 21m
        1 stop
        DEN 7:37 PM
        Hartford - Denver | Sun, Sep 13 | Frontier Airlines
        DEN 7:12 PM
        17h 6m
        1 stop
        BDL 2:18 PM
        Denver - Hartford | Sat, Sep 19 | Frontier Airlines
        $345
        35% off
        $534 $345
      • BDL 6:00 AM
        9h 29m
        1 stop
        DEN 1:29 PM
        Hartford - Denver | Tue, Oct 20 | Delta Air Lines
        DEN 8:00 AM
        6h 16m
        1 stop
        BDL 4:16 PM
        Denver - Hartford | Wed, Oct 28 | Delta Air Lines
        $345
        35% off
        $534 $345
      • BDL 6:00 AM
        7h 5m
        1 stop
        DEN 11:05 AM
        Hartford - Denver | Tue, Sep 15 | Delta Air Lines
        DEN 12:50 AM
        7h 48m
        1 stop
        BDL 10:38 AM
        Denver - Hartford | Tue, Sep 22 | Delta Air Lines
        $345
        35% off
        $534 $345
      • HFD 1:00 PM
        17h 25m
        1 stop
        DEN 2:00 PM
        Hartford - Denver | Sat, Sep 12 | Normal Airline
        DEN 3:00 PM
        6h
        Nonstop
        HFD 4:00 PM
        Denver - Hartford | Mon, Sep 14 | Normal Airline
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      • Cheapest nonstop
        BDL 8:00 AM
        4h 20m
        Nonstop
        DEN 10:20 AM
        Hartford - Denver | Thu, Oct 1 | United Airlines
        $231 $279
        17% off
        17% off
        $279 $231
      • BDL 7:45 AM
        4h 24m
        Nonstop
        DEN 10:09 AM
        Hartford - Denver | Sat, Sep 19 | United Airlines
        $234 $279
        16% off
        16% off
        $279 $234
      • BDL 3:16 PM
        18h 36m
        1 stop
        DEN 7:52 AM
        Hartford - Denver | Mon, Sep 28 | Frontier Airlines
        $141 $279
        49% off
        49% off
        $279 $141
      • BDL 3:16 PM
        18h 51m
        1 stop
        DEN 8:07 AM
        Hartford - Denver | Mon, Oct 19 | Frontier Airlines
        $147
        47% off
        $279 $147
      • BDL 6:13 PM
        15h 24m
        1 stop
        DEN 7:37 AM
        Hartford - Denver | Sat, Sep 19 | Frontier Airlines
        $148
        47% off
        $279 $148
      • BDL 3:16 PM
        18h 21m
        1 stop
        DEN 7:37 AM
        Hartford - Denver | Thu, Oct 1 | Frontier Airlines
        $165
        41% off
        $279 $165
      • BDL 6:13 PM
        15h 24m
        1 stop
        DEN 7:37 AM
        Hartford - Denver | Sat, Sep 26 | Frontier Airlines
        $165
        41% off
        $279 $165
      • BDL 3:16 PM
        18h 51m
        1 stop
        DEN 8:07 AM
        Hartford - Denver | Mon, Oct 12 | Frontier Airlines
        $166
        41% off
        $279 $166
      • BDL 3:16 PM
        30h 44m
        1 stop
        DEN 8:00 PM
        Hartford - Denver | Mon, Oct 26 | Frontier Airlines
        $166
        41% off
        $279 $166
      • BDL 3:16 PM
        18h 36m
        1 stop
        DEN 7:52 AM
        Hartford - Denver | Mon, Oct 5 | Frontier Airlines
        $166
        41% off
        $279 $166
      • BDL 3:16 PM
        18h 51m
        1 stop
        DEN 8:07 AM
        Hartford - Denver | Fri, Oct 16 | Frontier Airlines
        $173
        38% off
        $279 $173
      • BDL 3:16 PM
        18h 36m
        1 stop
        DEN 7:52 AM
        Hartford - Denver | Fri, Sep 25 | Frontier Airlines
        $173
        38% off
        $279 $173
      • HFD 1:00 PM
        17h 25m
        1 stop
        DEN 2:00 PM
        Hartford - Denver | Sat, Sep 12 | Normal Airline
        Find more flights
        Find more flights

Flight.News
Flights from Hartford to Denver operate an average of 3 times per day over the past 7 days, with a 52.6% on-time departure rate and a 78.9% on-time arrival rate.

Which airlines are the most popular for Hartford to Denver flights?

You can choose from 2 airlines that fly from Hartford to Denver, including United Airlines, Delta Air Lines, Frontier Airlines has lowest fares on this route.
United Airlines logo United Airlines
Delta Air Lines logo Delta Air Lines
Airlines are determined based on actual purchased flight tickets from Hartford to Denver according to previous 12 months data from Trip.com.

Flight Info | Hartford to Denver

The distance between Hartford and Denver is approximately 2,684.32 km. It takes around 6 hours on average to fly from Hartford to Denver. Based on Trip.com's data travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight price $141
Cheapest round-trip ticket price $280
Off-season for travel November
Peak season for travel July
Flight distance 2,684.32 km
Average flight time 6 hours
Popular airline United Airlines
Frequency ～12/week
Flight statistics for the Hartford–Denver route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Hartford to Denver (HFD-DEN)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as $141 on Cheapest nonstop routes (e.g. BDL to DEN on Mon, Sep 28), while Frontier Airlines offers Cheapest nonstop round-trips from $280 departing on Sat, Sep 12 and returning on Thu, Sep 17.
  • At the moment, you can catch a nonstop flight from Hartford to Denver with the following airlines, including: United Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 6 hours to fly from Hartford (HFD) to Denver (DEN).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Hartford to Denver 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.
  • Based on Trip.com data in the past 4 weeks, there is 13 flight per week flying from Hartford to Denver. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA2239 (15:41) United Airlines: S/M/T/W/T/F/S -- UA364 (08:10)
  • To find best deals on flights from Hartford to Denver, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Sep 28, with one-way flights priced at just $141.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Denver travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Hartford to Denver is November, when demand for travel is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Hartford to Denver on September 12, 2026 with Frontier Airlines, with prices starting at $280.
  • You can arrive at any of the following airports in Denver: Denver International Airport (DEN), and Rocky Mountain Metropolitan Airport (BJC). Flights from Bradley International Airport to Denver International Airport (BDL-DEN) are by far the most popular option for this route.
  • The time difference between Denver and Hartford 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.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Hartford to Denver is $316. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Hartford to Denver is $611. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Hartford and Denver, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

Explore More Popular Flights

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.