Flights from Denver to Boston

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 (TPA)
F91114, F91216
30h 12min
Return
10/05/25
1 Stopover (JFK)
B60917, B61497
07h 17min
Frontier Airlines ?
$280
Best option
Denver
Boston
Outbound
09/25/25
1 Stopover (ATL)
F93294, F93512
06h 59min
Return
10/05/25
1 Stopover (JFK)
B60917, B61497
07h 17min
Frontier Airlines ?
$329
Denver
Boston
Pay attention to transfer at connecting flight
Outbound
09/25/25
1 Stopover (ATL)
F93294, F93512
06h 59min
Return
10/05/25
1 Stopover (BNA)
NK2301, F91401
12h 49min
Frontier Airlines
$338
Denver
Boston
Outbound
09/25/25
1 Stopover (TPA)
F91114, F91216
30h 12min
Return
10/05/25
1 Stopover (RDU)
F93057, F92225
14h 01min
Frontier Airlines ?
$308
Denver
Boston
Outbound
09/25/25
1 Stopover (TPA)
F91114, F91216
30h 12min
Return
10/05/25
1 Stopover (RDU)
F93057, F92225
14h 01min
Frontier Airlines
$311
Denver
Boston
Outbound
09/25/25
1 Stopover (ATL)
F93294, F93512
06h 59min
Return
10/05/25
1 Stopover (RDU)
F93057, F92225
14h 01min
Frontier Airlines
$321
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
Denver
Boston
Outbound
09/25/25
1 Stopover (CLT)
AA1662, AA1843
06h 53min
Return
10/05/25
1 Stopover (PHL)
AA1540, AA1313
06h 39min
American Airlines ?
$650
Denver
Boston
Outbound
09/25/25
1 Stopover (PHL)
AA0516, AA3073
08h 20min
Return
10/05/25
1 Stopover (PHL)
AA1540, AA1313
06h 39min
American Airlines ?
$678
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Denver to Boston

Favorite airline: e.g. Sun Country Airlines, United Airlines
72 % of bookings on this flight route are made with Sun Country Airlines, United Airlines and Frontier Airlines.
Sun Country Airlines
29 %
United Airlines
29 %
Frontier Airlines
14 %
Direct flights are more expensive
Compared to direct flights, flights with a stopover on this route are on average 27 % cheaper.
non stop flight
1 stop
04h 01min
14h 29min
530 US$
417 US$
Favourite connection: via Minneapolis
The most popular route is via Minneapolis and is booked by 57 % of all travelers.
Route
bookings
1 stopover Minneapolis - St. Paul International Airport, MN
14h 29min, from 417 US$
57 %
1 stopover Orlando International Airport, FL
30h 35min, from 437 US$
29 %
1 stopover Detroit Metropolitan Wayne County Airport, MI
06h 05min, from 530 US$
14 %

Important flight information

Flight information: Denver - Boston

Roundtrip from 279,60 US$
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