Flights from Washington, D.C. to San Juan, PR

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Best Deals on Flights From Washington, D.C. (IAD) to San Juan, PR (SJU)

Try alternate month or interact with individual days below in order to find offers.
Jun 2026
No results for this month.
Jul 2026
from$138*
Last seen: 22 hours ago
One-way/Economy
Aug 2026
from$89*
Last seen: 12 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $138
cmp-daily-histogram-bars-legend-max-price-aria-label $243
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    • Range$138-$243

    *Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

    Flights Deals from Washington, D.C. to San Juan, PR on Frontier

    $
    Flights Deals from Washington, D.C. to San Juan, PR on Frontier
    From
    To
    Washington, D.C. (IAD)San Juan, PR (SJU)One-way
    /
    Discount Den Basic Fare    		Departing Nov 18, 2026

    From

    $163

    Last seen: 1 hour ago

    *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

    Washington, D.C. San Juan, PR

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