Flights from Washington, D.C. to Seattle, WA

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Best Deals on Flights From Washington, D.C. (DCA) to Seattle, WA (SEA)

Nov 2026
from$279*
Last seen: 15 hours ago
One-way/Economy
Dec 2026
from$184*
Last seen: 17 hours ago
One-way/Economy
Jan 2027
No results for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $184
Displaying fares for November-2026
  • DCA–SEA: cmp-view-offers-disclaimer. Find Offers
    13

    Fri

    NOV

  • DCA–SEA: cmp-view-offers-disclaimer. Find Offers
    14

    Sat

  • DCA–SEA: cmp-view-offers-disclaimer. Find Offers
    15

    Sun

  • DCA–SEA, Nov 16, 2026: from $279
    16

    Mon

  • DCA–SEA: cmp-view-offers-disclaimer. Find Offers
    17

    Tue

  • DCA–SEA: cmp-view-offers-disclaimer. Find Offers
    18

    Wed

  • DCA–SEA, Nov 19, 2026: from $605
    19

    Thu

  • DCA–SEA, Nov 20, 2026: from $368
    20

    Fri

  • DCA–SEA: cmp-view-offers-disclaimer. Find Offers
    21

    Sat

  • DCA–SEA: cmp-view-offers-disclaimer. Find Offers
    22

    Sun

  • DCA–SEA: cmp-view-offers-disclaimer. Find Offers
    23

    Mon

  • DCA–SEA: cmp-view-offers-disclaimer. Find Offers
    24

    Tue

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    25

    Wed

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    26

    Thu

  • DCA–SEA: cmp-view-offers-disclaimer. Find Offers
    27

    Fri

  • DCA–SEA: cmp-view-offers-disclaimer. Find Offers
    28

    Sat

  • DCA–SEA: cmp-view-offers-disclaimer. Find Offers
    29

    Sun

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    30

    Mon

  • DCA–SEA: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    DEC

  • DCA–SEA: cmp-view-offers-disclaimer. Find Offers
    02

    Wed

  • DCA–SEA, Dec 3, 2026: from $184
    03

    Thu

  • DCA–SEA, Dec 4, 2026: from $189
    04

    Fri

  • DCA–SEA: cmp-view-offers-disclaimer. Find Offers
    05

    Sat

  • DCA–SEA: cmp-view-offers-disclaimer. Find Offers
    06

    Sun

  • DCA–SEA: cmp-view-offers-disclaimer. Find Offers
    07

    Mon

  • DCA–SEA: cmp-view-offers-disclaimer. Find Offers
    08

    Tue

  • DCA–SEA: cmp-view-offers-disclaimer. Find Offers
    09

    Wed

  • DCA–SEA: cmp-view-offers-disclaimer. Find Offers
    10

    Thu

  • DCA–SEA: cmp-view-offers-disclaimer. Find Offers
    11

    Fri

  • DCA–SEA: cmp-view-offers-disclaimer. Find Offers
    12

    Sat

    • Range$184-$605

    *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 Seattle, WA on Frontier

    $
    Flights Deals from Washington, D.C. to Seattle, WA on Frontier
    From
    To
    Washington, D.C. (DCA)Seattle, WA (SEA)One-way
    /
    Discount Den Basic Fare    		Departing Mar 27, 2027

    From

    $273

    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. Seattle, WA

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