Flights from Denver to Boston with United Airlines

Our cheapest offers for flights from Denver to Boston

Here you can compare cheap flights from Denver (DEN) to Boston (BOS) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Boston. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Denver
Boston
Outbound
09/25/25
1 Stopover (EWR)
UA2345, UA0225
08h 18min
Return
10/05/25
1 Stopover (EWR)
UA1833, UA0513
06h 35min
United Airlines ?
$449
Prices based on recent searches, subject to last-minute changes
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Important flight information

Flight information: Denver - Boston

Roundtrip from 279,60 $
Flight duration min. 03:43 / max. 09:05
Return flight duration min. 04:42/ max. 12:10
Distance 2819 km
Flights per week 77
Departure airport Airport Denver International Airport, CO (DEN)
Arrival airport Airport Boston Logan International Airport, MA (BOS)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Boston
Flight destinations with a similar price