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

Promo Code

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

Nov 2026
from$89*
Last seen: 21 hours ago
One-way/Economy
Dec 2026
from$76*
Last seen: 16 hours ago
One-way/Economy
Jan 2027
from$119*
Last seen: 8 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $76
cmp-daily-histogram-bars-legend-max-price-aria-label $208
Displaying fares for November-2026
  • IAD–SJU: cmp-view-offers-disclaimer. Find Offers
    13

    Fri

    NOV

  • IAD–SJU: cmp-view-offers-disclaimer. Find Offers
    14

    Sat

  • IAD–SJU, Nov 15, 2026: from $162
    15

    Sun

  • IAD–SJU, Nov 16, 2026: from $132
    16

    Mon

  • IAD–SJU, Nov 17, 2026: from $139
    17

    Tue

  • IAD–SJU, Nov 18, 2026: from $139
    18

    Wed

  • IAD–SJU, Nov 19, 2026: from $208
    19

    Thu

  • IAD–SJU, Nov 20, 2026: from $165
    20

    Fri

  • IAD–SJU, Nov 21, 2026: from $135
    21

    Sat

  • IAD–SJU, Nov 22, 2026: from $104
    22

    Sun

  • IAD–SJU, Nov 23, 2026: from $89
    23

    Mon

  • IAD–SJU, Nov 24, 2026: from $119
    24

    Tue

  • IAD–SJU, Nov 25, 2026: from $125
    25

    Wed

  • IAD–SJU, Nov 26, 2026: from $148
    26

    Thu

  • IAD–SJU, Nov 27, 2026: from $134
    27

    Fri

  • IAD–SJU, Nov 28, 2026: from $153
    28

    Sat

  • IAD–SJU, Nov 29, 2026: from $153
    29

    Sun

  • IAD–SJU: cmp-view-offers-disclaimer. Find Offers
    30

    Mon

  • IAD–SJU: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    DEC

  • IAD–SJU: cmp-view-offers-disclaimer. Find Offers
    02

    Wed

  • IAD–SJU, Dec 3, 2026: from $143
    03

    Thu

  • IAD–SJU, Dec 4, 2026: from $155
    04

    Fri

  • IAD–SJU, Dec 5, 2026: from $148
    05

    Sat

  • IAD–SJU, Dec 6, 2026: from $97
    06

    Sun

  • IAD–SJU: cmp-view-offers-disclaimer. Find Offers
    07

    Mon

  • IAD–SJU, Dec 8, 2026: from $76
    08

    Tue

  • IAD–SJU, Dec 9, 2026: from $95
    09

    Wed

  • IAD–SJU, Dec 10, 2026: from $109
    10

    Thu

  • IAD–SJU: cmp-view-offers-disclaimer. Find Offers
    11

    Fri

  • IAD–SJU: cmp-view-offers-disclaimer. Find Offers
    12

    Sat

    • Range$76-$208

    *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 Mar 10, 2027

    From

    $184

    Last seen: 17 hours 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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