Helping travelers to find the best flight offers
Fly from Boston to Denver with confidence—our search scans over 700 airlines, 50+ agencies, and more than 5 top booking systems to uncover the best prices, schedules, and travel conditions for your trip. Whether you need a nonstop morning flight or a budget-friendly evening option, we make it easy to compare choices and book the perfect itinerary in minutes.
Fly direct from Boston to Denver for the quickest, most convenient way to reach Colorado’s Mile High City — fewer hassles, no layovers, and more time to enjoy the scenery or business meetings. While connecting flights can sometimes be cheaper, a nonstop trip saves hours and usually offers a more comfortable travel experience, making it worth considering when booking.
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Boston to Denver:
•
•
•
•
•
•
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
The Boston — Denver route is served by a wide range of airlines: 5 in total, including United Airlines, JetBlue Airways, Spirit Airlines, Frontier Airlines, and Southwest Airlines. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $102. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.
Starting at $215
Starting at $124
Starting at $102
Starting at $119
Starting at $168
Boston — Denver
12/29/2025
Departure
Direct flight
UA414
Starting at $519
Boston — Denver
09/27/2026
Departure
Direct flight
B6393
Starting at $199
Boston — Denver
12/08/2025
Departure
Direct flight
UA800
Starting at $224
Boston — Denver
12/09/2025
Departure
Direct flight
B6393
Starting at $217
Boston — Denver
12/10/2025
Departure
Direct flight
UA2297
Starting at $215
Boston — Denver
12/16/2025
Departure
Direct flight
B6993
Starting at $180
Boston Logan International (BOS) is the region’s main international gateway and a full-service hub for several major carriers, while smaller general aviation fields serve private and charter traffic. The airport typically hosts a mix of legacy airlines and low-cost carriers, so fares can range from premium on busy transatlantic routes to competitive on domestic hops. Logan sits just across the harbor, about 3–5 miles from downtown — travel times are usually 15–30 minutes by car depending on traffic, or roughly 20–30 minutes by the MBTA Silver Line/Blue Line and shuttle connections, with public-transit fares generally modest. Pros: convenient central location and comprehensive services; cons: can be busy with variable traffic and occasional higher peak fares.
The cheapest one-way flight from Boston to Denver departs on 12/09/2025, is operated by Spirit Airlines and costs $102
The cheapest roundtrip flight from Boston to Denver departs on 01/21/2026, is operated by Frontier Airlines and costs $147
Fastest flight from Boston to Denver takes 4h 40m
There are direct flights on this route 1 day a week: We
The distance between Boston and Denver is 2840km (1761 miles). There are 85 direct flights from Boston to Denver. The time difference between Boston and Denver is 2h. Flights from Boston begin at 6:30 AM. The latest flight from Boston departs at 7:30 PM
Unable to find information about the schedule of direct flights from
Denver International Airport (DEN) is the region’s major international hub and the primary gateway for both long-haul and domestic travel, with legacy carriers like United plus several low-cost airlines operating extensive schedules. It sits roughly 25 miles (about 35–45 minutes by car without heavy traffic) northeast of downtown Denver; ride-shares, taxis and airport shuttles typically run from around $35–65, while the RTD A Line commuter train links the airport to Union Station in about 37 minutes for a lower fare. Pros include extensive flight options and modern facilities; cons are its distance from the city center and occasional delays due to weather or strong winds.
We couldn't find any special offers for flights from Boston to Denver
The cheapest flight ticket from Boston to Denver according to data for the last 48 hours costs $102
Often the best time to buy tickets from Boston to Denver is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Boston to Denver can be found flying in these months: December.
The fastest flights from Boston to Denver start from 4 hours 40 minutes in the air.
The following airlines operate direct flights on the route Boston — Denver: United Airlines, JetBlue Airways
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Boston to Denver