Flights from Seattle to Lisbon available from USD 981*

Promo code

Our best rates from Seattle to Lisbon

Aug 2026
FromUSD 1,476*
Fare: Round trip/Economy
Sep 2026
FromUSD 1,201*
Fare: Round trip/Economy
Oct 2026
FromUSD 1,157*
Fare: Round trip/Economy
Displaying fares for July-2026
  • SEA–LIS: cmp-view-offers-disclaimer. Find offers
    01

    Sa

    AUG

  • SEA–LIS, Aug 02 2026 – Aug 13 2026: From USD 1,722
    02

    Su

  • SEA–LIS: cmp-view-offers-disclaimer. Find offers
    03

    Mo

  • SEA–LIS: cmp-view-offers-disclaimer. Find offers
    04

    Tu

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    05

    We

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    06

    Th

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

    Fr

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

    Sa

  • SEA–LIS, Aug 09 2026 – Aug 19 2026: From USD 1,665
    09

    Su

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    10

    Mo

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    11

    Tu

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    12

    We

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    13

    Th

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    14

    Fr

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

    Sa

  • SEA–LIS: cmp-view-offers-disclaimer. Find offers
    16

    Su

  • SEA–LIS, Aug 17 2026 – Dec 01 2026: From USD 1,476
    17

    Mo

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    18

    Tu

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    19

    We

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    20

    Th

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    21

    Fr

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    22

    Sa

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    23

    Su

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    24

    Mo

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    25

    Tu

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    26

    We

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    27

    Th

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

    Fr

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    29

    Sa

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    30

    Su

  • SEA–LIS: cmp-view-offers-disclaimer. Find offers
    31

    Mo

    • *Fares displayed have been collected within the last 72hrs and may no longer be available at the time of booking

    Fly in the next three months: flights from Seattle to Lisbon

    USD

    Seattle (SEA)to

    Lisbon (LIS)
    Oct 07 2026 - Oct 22 2026
    From
    USD 1,157
    Round trip
    Economy

    Seattle (SEA)to

    Lisbon (LIS)
    Sep 15 2026 - Sep 26 2026
    From
    USD 1,403
    Round trip
    Economy

    Seattle (SEA)to

    Lisbon (LIS)
    Sep 07 2026 - Sep 30 2026
    From
    USD 1,201
    Round trip
    Economy

    Seattle (SEA)to

    Lisbon (LIS)
    Oct 08 2026 - Oct 14 2026
    From
    USD 1,235
    Round trip
    Economy

    Seattle (SEA)to

    Lisbon (LIS)
    Aug 17 2026 - Dec 01 2026
    From
    USD 1,476
    Round trip
    Economy

    Seattle (SEA)to

    Lisbon (LIS)
    Sep 04 2026 - Sep 14 2026
    From
    USD 1,659
    Round trip
    Economy

    Seattle (SEA)to

    Lisbon (LIS)
    Aug 09 2026 - Aug 19 2026
    From
    USD 1,665
    Round trip
    Economy

    Seattle (SEA)to

    Lisbon (LIS)
    Aug 02 2026 - Aug 13 2026
    From
    USD 1,722
    Round trip
    Economy
    *Fares displayed have been collected within the last 72hrs and may no longer be available at the time of booking. We display fares for Economy Light as standard but it is possible to change your class of service during the booking process. You can also add baggage, meals and extra legroom to your trip during booking.
     

    Plan ahead for your trip from Seattle to Lisbon with Icelandair

    USD
    Plan ahead for your trip from Seattle to Lisbon with Icelandair
    From
    To
    Fare type
    Dates
    Price
    Seattle (SEA)Lisbon (LIS)Round trip
    /
    Economy    		Mar 09 2027 - Mar 14 2027

    From

    USD 1,190

    Viewed 8 hrs ago

    Seattle (SEA)Lisbon (LIS)Round trip
    /
    Economy    		Jul 14 2027 - Jul 23 2027

    From

    USD 1,915

    Viewed 15 hrs ago

    Seattle (SEA)Lisbon (LIS)Round trip
    /
    Economy    		Jul 05 2027 - Jul 18 2027

    From

    USD 1,381

    Viewed 1 day ago

    Seattle (SEA)Lisbon (LIS)Round trip
    /
    Economy    		Jul 05 2027 - Jul 19 2027

    From

    USD 1,607

    Viewed 1 day ago

    *Fares displayed have been collected within the last 72hrs and may no longer be available at the time of booking. We display fares for Economy Light as standard but it is possible to change your class of service during the booking process. You can also add baggage, meals and extra legroom to your trip during booking.