$119 Cheap United flights Boston (BOS) to Denver (DEN)

View $119 flight on Sat, Jul 12, 2025Opens in a new window

$119 Cheap United flights Boston (BOS) to Denver (DEN)

Prices were available within the past 7 days and start at $119 for one-way flights and $224 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
United
Sat, Jul 12 - Mon, Jul 14
BOS
Boston
DEN
Denver
$224
Roundtrip
Found 1 day ago
Select United flight, departing Sat, Jul 12 from Boston to Denver, returning Mon, Jul 14, priced at $224 Found 1 day ago
United
Thu, Sep 18 - Mon, Sep 22
BOS
Boston
DEN
Denver
$247
Roundtrip
Found 4 days ago
Select United flight, departing Thu, Sep 18 from Boston to Denver, returning Mon, Sep 22, priced at $247 Found 4 days ago
United
Sat, Jul 12 - Mon, Jul 14
BOS
Boston
DEN
Denver
$264
Roundtrip
Found 1 day ago
Select United flight, departing Sat, Jul 12 from Boston to Denver, returning Mon, Jul 14, priced at $264 Found 1 day ago
United
Sat, Jul 5 - Tue, Jul 8
BOS
Boston
DEN
Denver
$269
Roundtrip
Found 10 hours ago
Select United flight, departing Sat, Jul 5 from Boston to Denver, returning Tue, Jul 8, priced at $269 Found 10 hours ago
United
Sat, Jul 12 - Mon, Jul 14
BOS
Boston
DEN
Denver
$292
Roundtrip
Found 1 day ago
Select United flight, departing Sat, Jul 12 from Boston to Denver, returning Mon, Jul 14, priced at $292 Found 1 day ago
United
Sat, Jul 12 - Mon, Jul 14
BOS
Boston
DEN
Denver
$304
Roundtrip
Found 1 day ago
Select United flight, departing Sat, Jul 12 from Boston to Denver, returning Mon, Jul 14, priced at $304 Found 1 day ago
Flights from Boston (BOS) to Denver (DEN)
Origin airport
Logan Intl.
Destination airport
Denver Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, United
Popular airline
JetBlue Airways
Distance
2798 km
Average flight time
2 hours 33 mins