Denver (DEN) to San Juan (SJU) in December 2026

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CheapestLowHigherTypical $427

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Decemberfrom $368 · 31 trips

Denver (DEN) to San Juan (SJU): what SlickTrip has seen

Cheapest economy round trip (8 nights) in December 2026: $368 leaving Tue, Dec 8, for 1 traveler.
2 price drops on economy fares in the last 30 days, caught for travelers watching this route.
SlickTrip travelers are watching 1 trip on this route.
Airlines in the fares we watched: United.

From SlickTrip's own price alerts and watched trips, as of Nov 10.

Denver (DEN) to San Juan (SJU) by month

November 2026
December 2026
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October

Cheap economy Class Flights from Denver (DEN) to San Juan (SJU) December

Find the best deals on economy class flights. Compare prices for direct flights, one-stop, and multi-stop options.

Denver (DEN) to San Juan (SJU) in December 2026

Cheapest round trip of 6, 8, 11 nights fare in December 2026: $368 on 2026-12-08, for 1 traveler.

Why Choose Economy Class Flights from Denver (DEN) to San Juan (SJU)?

Fares across the airlines on the route in one search
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A month of fares at a glance for december travel
Price alerts: we watch the fare and alert you when it drops

Planning a trip from Denver (DEN) to San Juan (SJU) in december? SlickTrip shows the cheapest economy fares across airlines, nonstop or with stops. Set an alert and we watch the route for you, then email you when the price drops. Booking happens on the airline's or travel site's own page.

2027

Denver (DEN) to San Juan (SJU): what SlickTrip has seen

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