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San Juan to Denver

  • SJU, Puerto Rico – DEN, United States
  • Frontier
  • Business
Denver
$556
Round trip, in USD
via Expedia · travel agency
Frontier direct: $556
Checked
DepartsDec 3, 2026
ReturnsDec 9, 2026

Compare links search this route and dates. Prices there can differ.

$0.10
Cost per mile
5,463
Miles

Flight segments

SJU to MIA · F9 · F9 3377
MIA to DEN · F9 · F9 1279
DEN to MIA · F9 · F9 1520
MIA to SJU · F9 · F9 1378

Available dates

Prices in USD. Each option opens its own dates on Google Flights.

Oldest price check:

Available flight dates and booking prices
Departs Returns Airline Price Checked Booking link
Dec 1, 2026 Dec 7, 2026 — $561 View flights
Dec 3, 2026 Dec 9, 2026 Frontier $556 Lowest View flights
Dec 4, 2026 Dec 10, 2026 — $559 View flights
Dec 5, 2026 Dec 11, 2026 — $696 View flights

This is a business class deal to Denver from San Juan on Frontier for Dec 3, 2026 – Dec 9, 2026.

Priced at $556 round trip. The route covers 5,463 miles round trip.

Denver is an easy city to like and an even easier one to use as a base for a bigger adventure. Set along the Front Range of the Rocky Mountains, it combines big-sky scenery with a lively urban core, making it appealing to travelers who want both outdoor access and city culture. The best times to visit are typically spring and fall, when temperatures are comfortable and the light is especially clear, though summer brings long days for hiking, biking, and patio dining, while winter appeals to skiers and visitors drawn to the city’s cozy indoor scene and nearby mountain escapes.

For first-time visitors, downtown, LoDo, RiNo, and Capitol Hill offer some of the city’s most recognizable experiences. LoDo is known for historic architecture, sports venues, and Union Station, while RiNo has become a hub for murals, breweries, galleries, and creative restaurants. The Denver Art Museum, the Clyfford Still Museum, and the Museum of Nature & Science are among the city’s cultural anchors, and City Park and Washington Park provide classic urban green space. Food and drink are a major part of the appeal, with a strong craft beer culture, a growing chef-driven dining scene, and regional specialties that reflect the city’s Western and Southwestern influences.

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