Find Copa Airlines flights from San José (SJO) to Washington Dulles (IAD) from USD 342*

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Best prices on San José to Washington Dulles flights

Aug 2026
FromUSD 358*
Viewed 1 day ago
Round trip/Economy
Sep 2026
FromUSD 389*
Viewed 15 hours ago
Round trip/Economy
Oct 2026
FromUSD 342*
Viewed 1 day ago
Round trip/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD 358
cmp-daily-histogram-bars-legend-max-price-aria-label USD 706
Displaying fares for August-2026
  • SJO–IAD: cmp-view-offers-disclaimer. Check availability
    01

    Sat

    AUG

  • SJO–IAD, Aug 02, 2026 – Sep 12, 2026: From USD 374
    02

    Sun

  • SJO–IAD: cmp-view-offers-disclaimer. Check availability
    03

    Mon

  • SJO–IAD: cmp-view-offers-disclaimer. Check availability
    04

    Tue

  • SJO–IAD: cmp-view-offers-disclaimer. Check availability
    05

    Wed

  • SJO–IAD: cmp-view-offers-disclaimer. Check availability
    06

    Thu

  • SJO–IAD: cmp-view-offers-disclaimer. Check availability
    07

    Fri

  • SJO–IAD, Aug 08, 2026 – Aug 22, 2026: From USD 706
    08

    Sat

  • SJO–IAD, Aug 09, 2026 – Aug 16, 2026: From USD 488
    09

    Sun

  • SJO–IAD, Aug 10, 2026 – Aug 20, 2026: From USD 706
    10

    Mon

  • SJO–IAD, Aug 11, 2026 – Aug 28, 2026: From USD 358
    11

    Tue

  • SJO–IAD: cmp-view-offers-disclaimer. Check availability
    12

    Wed

  • SJO–IAD: cmp-view-offers-disclaimer. Check availability
    13

    Thu

  • SJO–IAD: cmp-view-offers-disclaimer. Check availability
    14

    Fri

  • SJO–IAD, Aug 15, 2026 – Aug 22, 2026: From USD 529
    15

    Sat

  • SJO–IAD: cmp-view-offers-disclaimer. Check availability
    16

    Sun

  • SJO–IAD: cmp-view-offers-disclaimer. Check availability
    17

    Mon

  • SJO–IAD, Aug 18, 2026 – Aug 23, 2026: From USD 567
    18

    Tue

  • SJO–IAD, Aug 19, 2026 – Aug 24, 2026: From USD 450
    19

    Wed

  • SJO–IAD, Aug 20, 2026 – Aug 24, 2026: From USD 450
    20

    Thu

  • SJO–IAD: cmp-view-offers-disclaimer. Check availability
    21

    Fri

  • SJO–IAD: cmp-view-offers-disclaimer. Check availability
    22

    Sat

  • SJO–IAD, Aug 23, 2026 – Aug 27, 2026: From USD 529
    23

    Sun

  • SJO–IAD: cmp-view-offers-disclaimer. Check availability
    24

    Mon

  • SJO–IAD, Aug 25, 2026 – Aug 27, 2026: From USD 358
    25

    Tue

  • SJO–IAD: cmp-view-offers-disclaimer. Check availability
    26

    Wed

  • SJO–IAD: cmp-view-offers-disclaimer. Check availability
    27

    Thu

  • SJO–IAD, Aug 28, 2026 – Sep 13, 2026: From USD 358
    28

    Fri

  • SJO–IAD, Aug 29, 2026 – Sep 20, 2026: From USD 358
    29

    Sat

  • SJO–IAD: cmp-view-offers-disclaimer. Check availability
    30

    Sun

  • SJO–IAD: cmp-view-offers-disclaimer. Check availability
    31

    Mon

    • FromUSD 358-USD 706

    *Restrictions apply; please see Terms & Conditions.

    Best airfares from San José to Washington Dulles flights

    USD
    Best airfares from San José to Washington Dulles flights
    From
    To
    Fare Type
    Dates
    Price
    San José (SJO)Washington Dulles (IAD)Round trip
    /
    Economy    		Oct 03, 2026 - Nov 02, 2026

    From

    USD 342

    Viewed 1 day ago

    San José (SJO)Washington Dulles (IAD)Round trip
    /
    Economy    		Oct 04, 2026 - Oct 13, 2026

    From

    USD 342

    Viewed 1 day ago

    San José (SJO)Washington Dulles (IAD)Round trip
    /
    Economy    		Dec 09, 2026 - Feb 22, 2027

    From

    USD 342

    Viewed 1 day ago

    San José (SJO)Washington Dulles (IAD)Round trip
    /
    Economy    		Jan 22, 2027 - Jan 27, 2027

    From

    USD 342

    Viewed 1 day ago

    San José (SJO)Washington Dulles (IAD)Round trip
    /
    Economy    		Oct 02, 2026 - Nov 02, 2026

    From

    USD 342

    Viewed 1 day ago

    *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
    *Restrictions apply; please see Terms & Conditions.

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