$178 Cheap United flights Boston (BOS) to Cancun (CUN)

View $178 flight on Wed, Feb 18, 2026Opens in a new window

$178 Cheap United flights Boston (BOS) to Cancun (CUN)

Prices were available within the past 7 days and start at $178 for one-way flights and $317 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Mar 17 - Tue, Mar 24
BOS
Boston
CUN
Cancun
$317 Roundtrip, found 16 hours ago
$317
Roundtrip
found 16 hours ago
Select United flight, departing Tue, Mar 17 from Boston to Cancun, returning Tue, Mar 24, priced at $317 found 16 hours ago
United
Tue, Mar 17 - Tue, Mar 24
BOS
Boston
CUN
Cancun
$346 Roundtrip, found 16 hours ago
$346
Roundtrip
found 16 hours ago
Select United flight, departing Tue, Mar 17 from Boston to Cancun, returning Tue, Mar 24, priced at $346 found 16 hours ago

Find the cheapest month to fly from Boston (BOS) to Cancun (CUN)

September is typically the cheapest month to fly

From $231 - $374 per traveler.
Flights from Boston (BOS) to Cancun (CUN)
Origin airport
Logan Intl.
Destination airport
Cancun Intl.
Airlines serving
Aeromexico, Air Canada, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Popular airline
JetBlue Airways
Distance
2778 km
Average flight time
4 hours 45 mins