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Flights from Seattle to Lisbon

What to know about flights from Seattle to Lisbon?

The distance between Seattle and Lisbon is approximately 8,371.69 km. Based on Trip.com's data, travel demand peaks in July.

Cheapest one-way
$380
American Airlines American Airlines SEA-LIS 16h 45m · 1 stop Mon, Sep 21
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Cheapest round-trip
$733
Virgin Atlantic Virgin Atlantic SEA-LIS 17h 36m · 2 stops Wed, Nov 4 - Wed, Nov 11
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Recommended airlines
American Airlines American Airlines Cheapest · From $380 Delta Air Lines Delta Air Lines Most booked
When to travel
October
Cheapest
July
Peak season for travel
Route details
8,371.69 km
Flight distance

Explore the cheapest one-way and round-trip flights from Seattle to Lisbon over the next 90 days, with one-way fares from $380 and round-trip from $733. Based on Trip.com's latest 7-day flight data.

      • SEA 7:24 AM
        17h 36m
        1 stop
        LIS 9:00 AM
        Seattle - Lisbon | Wed, Nov 4 | Virgin Atlantic
        LIS 5:00 AM
        14h 47m
        1 stop
        SEA 11:47 AM
        Lisbon - Seattle | Wed, Nov 11 | Delta Air Lines
        $733 $1,033
        28% off
        28% off
        $1,033 $733
      • SEA 7:45 AM
        17h 10m
        1 stop
        LIS 8:55 AM
        Seattle - Lisbon | Wed, Nov 4 | Air Canada
        LIS 5:00 AM
        15h
        1 stop
        SEA 12:00 PM
        Lisbon - Seattle | Wed, Nov 11 | Lufthansa
        $735 $1,033
        28% off
        28% off
        $1,033 $735
      • SEA 7:45 AM
        18h 10m
        1 stop
        LIS 8:55 AM
        Seattle - Lisbon | Wed, Oct 28 | Air Canada
        LIS 5:00 AM
        15h
        1 stop
        SEA 12:00 PM
        Lisbon - Seattle | Wed, Nov 4 | Lufthansa
        $736 $1,033
        28% off
        28% off
        $1,033 $736
      • SEA 7:15 AM
        16h 45m
        1 stop
        LIS 8:00 AM
        Seattle - Lisbon | Tue, Nov 3 | Virgin Atlantic
        LIS 5:30 AM
        16h 20m
        1 stop
        SEA 1:50 PM
        Lisbon - Seattle | Tue, Nov 10 | Delta Air Lines
        $741
        28% off
        $1,033 $741
      • SEA 7:15 AM
        17h 45m
        1 stop
        LIS 8:00 AM
        Seattle - Lisbon | Tue, Oct 27 | Virgin Atlantic
        LIS 5:30 AM
        16h 20m
        1 stop
        SEA 1:50 PM
        Lisbon - Seattle | Tue, Nov 3 | Delta Air Lines
        $741
        28% off
        $1,033 $741
      • SEA 6:17 AM
        18h 53m
        1 stop
        LIS 8:10 AM
        Seattle - Lisbon | Wed, Oct 28 | United Airlines
        LIS 5:00 AM
        15h
        1 stop
        SEA 12:00 PM
        Lisbon - Seattle | Wed, Nov 4 | United Airlines
        $745
        28% off
        $1,033 $745
      • SEA 6:30 AM
        17h 40m
        1 stop
        LIS 8:10 AM
        Seattle - Lisbon | Wed, Nov 4 | United Airlines
        LIS 5:00 AM
        15h
        1 stop
        SEA 12:00 PM
        Lisbon - Seattle | Wed, Nov 11 | United Airlines
        $745
        28% off
        $1,033 $745
      • SEA 7:45 AM
        17h 35m
        1 stop
        LIS 9:20 AM
        Seattle - Lisbon | Tue, Nov 3 | Air Canada
        LIS 11:20 AM
        17h 39m
        1 stop
        SEA 8:59 PM
        Lisbon - Seattle | Tue, Nov 10 | Air Canada
        $746
        28% off
        $1,033 $746
      • SEA 7:45 AM
        18h 35m
        1 stop
        LIS 9:20 AM
        Seattle - Lisbon | Tue, Oct 27 | Air Canada
        LIS 2:20 PM
        30h 40m
        1 stop
        SEA 1:00 PM
        Lisbon - Seattle | Tue, Nov 3 | Lufthansa
        $747
        28% off
        $1,033 $747
      • SEA 7:15 AM
        16h 45m
        1 stop
        LIS 8:00 AM
        Seattle - Lisbon | Mon, Nov 2 | Virgin Atlantic
        LIS 12:25 PM
        33h 25m
        1 stop
        SEA 1:50 PM
        Lisbon - Seattle | Mon, Nov 9 | Delta Air Lines
        $754
        27% off
        $1,033 $754
      • SEA 1:00 PM
        17h 25m
        1 stop
        LIS 2:00 PM
        Seattle - Lisbon | Tue, Sep 8 | Normal Airline
        LIS 3:00 PM
        6h
        Nonstop
        SEA 4:00 PM
        Lisbon - Seattle | Thu, Sep 10 | Normal Airline
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        Find more flights
      • SEA 8:20 AM
        16h 45m
        1 stop
        LIS 9:05 AM
        Seattle - Lisbon | Mon, Sep 21 | American Airlines
        $380 $548
        31% off
        31% off
        $548 $380
      • SEA 6:20 PM
        18h 50m
        1 stop
        LIS 9:10 PM
        Seattle - Lisbon | Mon, Oct 12 | Virgin Atlantic
        $385 $548
        30% off
        30% off
        $548 $385
      • SEA 7:20 AM
        16h 40m
        1 stop
        LIS 8:00 AM
        Seattle - Lisbon | Sun, Oct 18 | Virgin Atlantic
        $386 $548
        30% off
        30% off
        $548 $386
      • SEA 7:20 AM
        16h 40m
        1 stop
        LIS 8:00 AM
        Seattle - Lisbon | Mon, Oct 19 | Virgin Atlantic
        $389
        28% off
        $548 $389
      • SEA 6:20 PM
        20h 40m
        1 stop
        LIS 11:00 PM
        Seattle - Lisbon | Mon, Sep 14 | Virgin Atlantic
        $392
        28% off
        $548 $392
      • SEA 6:20 PM
        18h 35m
        1 stop
        LIS 8:55 PM
        Seattle - Lisbon | Sun, Sep 13 | Virgin Atlantic
        $393
        28% off
        $548 $393
      • SEA 11:04 PM
        27h 26m
        1 stop
        LIS 10:30 AM
        Seattle - Lisbon | Mon, Oct 12 | United Airlines
        $396
        28% off
        $548 $396
      • SEA 6:20 PM
        18h 50m
        1 stop
        LIS 9:10 PM
        Seattle - Lisbon | Mon, Oct 12 | Delta Air Lines
        $398
        27% off
        $548 $398
      • SEA 12:49 PM
        13h 1m
        1 stop
        LIS 8:50 AM
        Seattle - Lisbon | Fri, Oct 30 | American Airlines
        $399
        27% off
        $548 $399
      • SEA 8:00 AM
        18h 30m
        1 stop
        LIS 10:30 AM
        Seattle - Lisbon | Thu, Sep 24 | United Airlines
        $400
        27% off
        $548 $400
      • SEA 1:00 PM
        17h 25m
        1 stop
        LIS 2:00 PM
        Seattle - Lisbon | Tue, Sep 8 | Normal Airline
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        Find more flights

Which airlines are the most popular for Seattle to Lisbon flights?

The most popular airlines flying from Seattle to Lisbon are Delta Air Lines, Air Canada, and Icelandair, among 3 carriers on this route. American Airlines offers the lowest fares. Based on Trip.com's flight booking data from the previous 12 months.
Delta Air Lines logo Delta Air Lines
Air Canada logo Air Canada
Icelandair logo Icelandair
Airlines are determined based on actual purchased flight tickets from Seattle to Lisbon according to previous 12 months data from Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from Seattle to Lisbon (SEA-LIS)?

    Based on Trip.com data, American Airlines offers one-way fares as low as $380 on Cheapest nonstop routes (e.g. SEA to LIS on Mon, Sep 21), while Virgin Atlantic offers Cheapest nonstop round-trips from $733 departing on Wed, Nov 4 and returning on Wed, Nov 11.
  • At the moment, you can catch a nonstop flight from Seattle to Lisbon with the following airlines, including: WestJet 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.
  • To find best deals on flights from Seattle to Lisbon, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Sep 21, with one-way flights priced at just $380.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is American Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Lisbon travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to Lisbon is October, when demand for travel is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Seattle to Lisbon on September 28, 2026 with Icelandair, with prices starting at $802.
  • You can arrive at any of the following airports in Lisbon: Humberto Delgado Airport (LIS). Flights from Seattle-Tacoma International Airport to Humberto Delgado Airport (SEA-LIS) are by far the most popular option for this route.
  • 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.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Seattle to Lisbon is $677. Fares vary by travel date, airline and availability.
  • Enter Seattle and Lisbon, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

Explore More Popular Flights

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.