Denver (DEN) to Boston (BOS) is about 1,750 miles and typically takes 4 h 05 min by air. Airlines with hubs at both ends are the likeliest to offer nonstops; otherwise expect a connection. Call (800) 490-3234 for live fares.
DEN to BOS at a glance
| Route | Denver (DEN) to Boston (BOS) |
|---|---|
| Distance | about 1,750 miles / 2,820 km |
| Typical flight time | 4 h 05 min (estimate) |
| Time difference | 2 hours ahead |
| Route type | Domestic (U.S.) |
| Airlines with hubs here | Delta Air Lines, United Airlines, Southwest Airlines, and JetBlue Airways |
About the Denver to Boston route
Denver to Boston covers about 1,750 miles, a mid-length domestic trip that most airlines can serve nonstop or with one easy connection.
Flight time and distance
A typical flight takes about 4 h 05 min gate to gate, with a realistic range of 3 h 45 min to 4 h 30 min depending on wind, routing and aircraft. That is an estimate based on the distance of roughly 1,750 miles (2,820 km), not a published schedule.
Boston is 2 hours ahead of Denver on standard time, so the arrival time on your ticket will look different from the flight duration.
Among the 200 routes in our guides, DEN to BOS is longer than about 62% of them.
For comparison, Denver to New York (DEN to JFK) is about 1,620 miles, so Boston is a bit farther out from DEN.
The airports
Denver International Airport (DEN)
Denver is a United hub and one of Southwest's busiest airports, which gives travelers a wide choice of nonstops across the West and Midwest. Full DEN guide.
Boston Logan International Airport (BOS)
Logan is only a few minutes by water or road from downtown Boston. Full BOS guide.
Nearby alternatives: around Denver, Colorado Springs; and around Boston, Providence. Price all of them before you commit, especially if you have flexible dates.
Airlines on this route
No single carrier we cover has hubs at both DEN and BOS. Delta Air Lines (at BOS), United Airlines (at DEN), Southwest Airlines (at DEN), and JetBlue Airways (at BOS) each operate a large network at one end, so many itineraries on this route connect rather than fly nonstop.
Airlines add and drop frequencies throughout the year. Our agents can check what is actually scheduled on your dates.
Common connection points
Connecting itineraries on this route often look like JetBlue Airways via New York (JFK), which adds about 60 miles (3% beyond the direct distance). Choose the connection with the best weather odds for your travel month and leave a comfortable layover; our layover guide explains how much time is realistic.
Best time to fly
Timing matters here. At BOS, winter nor'easters and summer fog are the main causes of delays. At DEN, ski season brings holiday peaks, and spring snowstorms can cause sudden cancellations.
Ground transport
Getting to and from DEN
The A Line train reaches Union Station in about 37 minutes.
Getting to and from BOS
The MBTA Blue Line and Silver Line buses connect Logan to downtown, and a water shuttle links the terminals to the Seaport.
Booking tips
Many travelers on Denver to Boston fly midweek for work, which can make Tuesday and Wednesday busier than you might expect. Compare departures across the day on our cheap-flights checklist.
Frequently asked questions
How long is the flight from Denver to Boston?
A typical DEN to BOS flight takes about 4 h 05 min, with a likely range of 3 h 45 min to 4 h 30 min. Actual time depends on wind, routing, aircraft and whether you connect.
How far is Boston from Denver by air?
The great-circle distance between DEN and BOS is about 1,750 miles (2,820 km).
Which airlines fly from Denver to Boston?
Delta Air Lines, United Airlines, Southwest Airlines, and JetBlue Airways have a major presence at DEN or BOS, and service varies by season. Ask us to check current nonstop and connecting options.
What is the time difference between Denver and Boston?
Boston is 2 hours ahead of Denver on standard time. Daylight saving time can change the gap for part of the year.
Are there other airports near Denver?
Yes. Nearby alternatives include Colorado Springs. Comparing them can change both fare and travel time.
When is the best time to book DEN to BOS?
Domestic fares are often competitive one to three months ahead, while international trips benefit from more lead time. Compare several dates, since fares are priced flight by flight.
Explore related routes
More flights involving Denver (DEN)
- Atlanta to DenverATL to DEN
- Austin to DenverAUS to DEN
- Baltimore to DenverBWI to DEN
- Chicago to DenverMDW to DEN
- Chicago to DenverORD to DEN
- Cleveland to DenverCLE to DEN
More flights involving Boston (BOS)
- Atlanta to BostonATL to BOS
- Boston to CharlotteBOS to CLT
- Boston to DetroitBOS to DTW
- Boston to Las VegasBOS to LAS
- Boston to LondonBOS to LHR
- Boston to Los AngelesBOS to LAX
Last reviewed October 22, 2026. FlighTicketHub provides general information; confirm details with the airline before you travel.