Flights from Portland to Lisbon available from USD 732*

Promo code

Our best rates from Portland to Lisbon

Aug 2026
FromUSD 2,251*
Fare: Round trip/Economy
Sep 2026
FromUSD 1,368*
Fare: Round trip/Economy
Oct 2026
FromUSD 1,566*
Fare: Round trip/Economy
Displaying fares for August-2026
  • PDX–LIS: cmp-view-offers-disclaimer. Find offers
    15

    Sa

    AUG

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

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    Mo

  • PDX–LIS: cmp-view-offers-disclaimer. Find offers
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  • PDX–LIS: cmp-view-offers-disclaimer. Find offers
    19

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  • PDX–LIS: cmp-view-offers-disclaimer. Find offers
    20

    Th

  • PDX–LIS, Aug 21 2026 – Aug 28 2026: From USD 2,251
    21

    Fr

  • PDX–LIS: cmp-view-offers-disclaimer. Find offers
    22

    Sa

  • PDX–LIS: cmp-view-offers-disclaimer. Find offers
    23

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  • PDX–LIS: cmp-view-offers-disclaimer. Find offers
    24

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    25

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  • PDX–LIS: cmp-view-offers-disclaimer. Find offers
    26

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  • PDX–LIS: cmp-view-offers-disclaimer. Find offers
    27

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

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  • PDX–LIS: cmp-view-offers-disclaimer. Find offers
    29

    Sa

  • PDX–LIS: cmp-view-offers-disclaimer. Find offers
    30

    Su

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

    Mo

  • PDX–LIS, Sep 01 2026 – Sep 08 2026: From USD 1,368
    01

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    SEP

  • PDX–LIS: cmp-view-offers-disclaimer. Find offers
    02

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

    Th

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

    Fr

  • PDX–LIS, Sep 05 2026 – Sep 13 2026: From USD 2,546
    05

    Sa

  • PDX–LIS, Sep 06 2026 – Sep 12 2026: From USD 2,214
    06

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

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  • PDX–LIS: cmp-view-offers-disclaimer. Find offers
    09

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  • PDX–LIS: cmp-view-offers-disclaimer. Find offers
    10

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  • PDX–LIS: cmp-view-offers-disclaimer. Find offers
    11

    Fr

  • PDX–LIS: cmp-view-offers-disclaimer. Find offers
    12

    Sa

  • PDX–LIS: cmp-view-offers-disclaimer. Find offers
    13

    Su

  • PDX–LIS: cmp-view-offers-disclaimer. Find offers
    14

    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 3 months: flights from Portland to Lisbon (LIS)

    Book an Icelandair flight in August 2026 - starting at USD 1,368

    USD

    Portland (PDX)to

    Lisbon (LIS)
    Sep 01 2026 - Sep 08 2026
    From
    USD 1,368
    Viewed 2 days ago
    Round trip
    Economy

    Portland (PDX)to

    Lisbon (LIS)
    Oct 18 2026 - Oct 24 2026
    From
    USD 1,566
    Viewed 15 hrs ago
    Round trip
    Economy
    *Fares displayed have been collected within the last 72 hours 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.

    Book Icelandair flights from Portland to Lisbon (LIS)

    Find our lowest fares from Portland to Lisbon - starting at USD 732

    USD
    Book Icelandair flights from Portland to Lisbon (LIS)
    From
    To
    Fare type
    Dates
    Price
    Portland (PDX)Lisbon (LIS)Round trip
    /
    Economy    		Nov 14 2026 - Nov 22 2026

    From

    USD 732

    Viewed 10 hrs ago

    Portland (PDX)Lisbon (LIS)Round trip
    /
    Economy    		Apr 27 2027 - May 04 2027

    From

    USD 1,082

    Viewed 2 days ago

    Portland (PDX)Lisbon (LIS)Round trip
    /
    Economy    		Dec 12 2026 - Dec 23 2026

    From

    USD 1,231

    Viewed 19 hrs 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.

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