Denver International Airport
23 miles (37 km) from the city centre. 82.4 million passengers in 2024
| How | Route | Time | Cost |
|---|---|---|---|
| Train | RTD A Line to Denver Union Station | about 37m | $10 Airport Day Pass |
4 airlines fly nonstop from Boston to Denver.
Checking today’s fares with the airlines.
| Airline | From | To |
|---|---|---|
| Delta Air Lines | BOS Boston Logan International Airport | DEN Denver International Airport |
| JetBlue | BOS Boston Logan International Airport | DEN Denver International Airport |
| Southwest Airlines | BOS Boston Logan International Airport | DEN Denver International Airport |
| United Airlines | BOS Boston Logan International Airport | DEN Denver International Airport |
Nonstop service as of October 2026. Airlines change schedules seasonally.
23 miles (37 km) from the city centre. 82.4 million passengers in 2024
| How | Route | Time | Cost |
|---|---|---|---|
| Train | RTD A Line to Denver Union Station | about 37m | $10 Airport Day Pass |
No passport or visa is needed for domestic travel, but a REAL ID-compliant license or another accepted ID is required to fly within the US.
Denver is 2 hours behind Boston. Denver uses the US dollar (USD).
Read the Denver guide: when to go, weather, airports and tips
Nonstop flight times vary by airline and season; flights with a connection take longer.
As of October 2026, Delta Air Lines, JetBlue, Southwest Airlines and United Airlines fly this route nonstop.
About 1,765 miles (2,841 km), measured between the city centres.
Denver is 2 hours behind Boston.
No passport or visa is needed for domestic travel, but a REAL ID-compliant license or another accepted ID is required to fly within the US.
RTD A Line to Denver Union Station, about 37 minutes, $10 Airport Day Pass.
Information checked in October 2026. Schedules, fares and entry rules change, so confirm with the airline or the official source before you travel.