Direct flights from Denver to Boston DEN → BOS
Delta Air Lines, JetBlue Airways, Southwest Airlines and United Airlines operate nonstop flights from Denver (DEN) to Boston (BOS). The nonstop flight takes around ~3h 31m, covering 1,750 miles (2,816 km) and operates multiple daily. Round-trip fares currently start at $201, with a typical fare around $442 across 1386 recent fare combinations. Updated 28 June 2026.
60-day flexibility overview based on 1386 recent fares across the next 60 days
Cheapest combos
United
Best
United
United
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Delta Air Lines
DL
JetBlue Airways
B6
Southwest Airlines
WN
United Airlines
UA
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Frequently asked questions
Is there a direct flight from Denver to Boston?
Yes, Delta Air Lines, JetBlue Airways and 2 more airlines operate nonstop flights from Denver (DEN) to Boston (BOS).
Which airlines fly direct from Denver to Boston?
Delta Air Lines, JetBlue Airways, Southwest Airlines, United Airlines operate nonstop flights from Denver to Boston.
How long is the flight from Denver to Boston?
The nonstop flight from Denver to Boston takes ~3h 31m (approximately 2816 km).
How often do direct flights operate from Denver to Boston?
Nonstop flights from Denver to Boston operate multiple daily.
How much is a round-trip flight from Denver to Boston?
Round-trip flights from Denver (DEN) to Boston (BOS) start at $201, with a typical fare around $442. Based on 1386 recent fare combinations.