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Flights from Seattle to Lisbon

Find cheap airlines flights from Seattle to Lisbon

Choose from 1 carriers that fly from Seattle to Lisbon, including Alaska Airlines, Enjoy the cheapest tickets on this route with Hawaiian Airlines.
Alaska Airlines logo Alaska Airlines

Find flight deals from Seattle to Lisbon for the next 3 months. Book one way flights from $350 or round trip flights from $510.

      • SEA 8:10 AM
        17h 10m
        1 stop
        LIS 9:20 AM
        Seattle - Lisbon | Sun, Jan 4 | United Airlines
        LIS 2:10 PM
        31h 10m
        1 stop
        SEA 1:20 PM
        Lisbon - Seattle | Sat, Jan 10 | Lufthansa
        $510 $763
        33% OFF
        33% OFF
        $763 $510
      • SEA 11:30 AM
        13h 25m
        1 stop
        LIS 8:55 AM
        Seattle - Lisbon | Thu, Dec 11 | Delta Air Lines
        LIS 10:40 AM
        32h 5m
        1 stop
        SEA 10:45 AM
        Lisbon - Seattle | Thu, Dec 18 | Delta Air Lines
        $520 $763
        32% OFF
        32% OFF
        $763 $520
      • SEA 2:10 PM
        17h
        1 stop
        LIS 3:10 PM
        Seattle - Lisbon | Sun, Jan 4 | Delta Air Lines
        LIS 11:25 AM
        32h 25m
        1 stop
        SEA 11:50 AM
        Lisbon - Seattle | Sat, Jan 10 | Delta Air Lines
        $537 $763
        30% OFF
        30% OFF
        $763 $537
      • SEA 6:13 AM
        17h 57m
        1 stop
        LIS 8:10 AM
        Seattle - Lisbon | Thu, Nov 13 | United Airlines
        LIS 5:00 AM
        15h 10m
        1 stop
        SEA 12:10 PM
        Lisbon - Seattle | Thu, Nov 20 | Lufthansa
        $546
        28% OFF
        $763 $546
      • SEA 7:30 AM
        16h 30m
        1 stop
        LIS 8:00 AM
        Seattle - Lisbon | Thu, Nov 13 | Delta Air Lines
        LIS 6:30 PM
        26h 50m
        1 stop
        SEA 1:20 PM
        Lisbon - Seattle | Sun, Nov 16 | Air France
        $554
        27% OFF
        $763 $554
      • SEA 3:10 PM
        15h 25m
        1 stop
        LIS 2:35 PM
        Seattle - Lisbon | Sun, Jan 4 | Virgin Atlantic
        LIS 11:25 AM
        32h 25m
        1 stop
        SEA 11:50 AM
        Lisbon - Seattle | Sat, Jan 10 | Delta Air Lines
        $571
        25% OFF
        $763 $571
      • SEA 7:30 AM
        16h 30m
        1 stop
        LIS 8:00 AM
        Seattle - Lisbon | Thu, Nov 13 | Virgin Atlantic
        LIS 6:30 PM
        26h 50m
        1 stop
        SEA 1:20 PM
        Lisbon - Seattle | Sun, Nov 16 | Air France
        $590
        23% OFF
        $763 $590
      • SEA 1:40 PM
        13h 40m
        1 stop
        LIS 11:20 AM
        Seattle - Lisbon | Thu, Nov 13 | Air France
        LIS 6:30 PM
        26h 50m
        1 stop
        SEA 1:20 PM
        Lisbon - Seattle | Sun, Nov 16 | Air France
        $595
        22% OFF
        $763 $595
      • SEA 8:10 AM
        16h 45m
        1 stop
        LIS 8:55 AM
        Seattle - Lisbon | Wed, Nov 26 | Air Canada
        LIS 3:55 PM
        28h 15m
        1 stop
        SEA 12:10 PM
        Lisbon - Seattle | Mon, Dec 1 | Lufthansa
        $600
        21% OFF
        $763 $600
      • SEA 3:10 PM
        14h 10m
        1 stop
        LIS 1:20 PM
        Seattle - Lisbon | Sun, Jan 4 | Lufthansa
        LIS 2:10 PM
        31h 10m
        1 stop
        SEA 1:20 PM
        Lisbon - Seattle | Sat, Jan 10 | Lufthansa
        $611
        20% OFF
        $763 $611
      • SEA 1:00 PM
        17h 25m
        1 stop
        LIS Invalid Date
        Seattle - Lisbon | Sat, Nov 15 | Normal Airline
        LIS 3:00 PM
        6h
        Nonstop
        SEA 4:00 PM
        Lisbon - Seattle | Mon, Nov 17 | Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Seattle to Lisbon

The distance between Seattle and Lisbon is about 8,371.69 km. The most popular month to Lisbon is July. The off-season for travel is October.

Cheapest one-way flight price$350
Cheapest round-trip ticket price$510
Off-season for travelOctober
Peak season for travelJuly
Flight distance8,371.69 km
Popular airlineAlaska Airlines

When is the cheapest time to fly from Seattle to Lisbon?

The cheapest time for Seattle to Lisbon flights: Jan 11 to Jan 18 — one way flight prices from $291.

Cheapest flights
From price
Search
  • 916
  • 1623
  • 2330

  • Dec

    307
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • Which airlines offer direct flights from Seattle to Lisbon?

    At the moment, you can catch a nonstop flight from Seattle to Lisbon with the following airlines, including: Alaska Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Lisbon is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • The cheapest months to fly from Seattle to Lisbon is October, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Seattle to Lisbon on November 19, 2025 with Icelandair, with prices starting at $271.
  • You can land at any one of the following hubs in Lisbon, with Seattle–Tacoma International Airport to Humberto Delgado Airport (SEA-LIS) is by far the most common option on this route: Humberto Delgado Airport (LIS).
  • The time difference between Lisbon and Seattle is 8h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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