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Humberto Delgado Airport to Seattle-Tacoma International Airport flight

Explore the cheapest one-way and round-trip flights from Humberto Delgado Airport to Seattle-Tacoma International Airport over the next 90 days, with one-way fares from €508 and round-trip from €632. Based on Trip.com's latest 7-day flight data.

    • LIS 14:00
      35h
      1 stop
      SEA 17:00
      Lisbon - Seattle | Tue, Nov 3 | Icelandair
      SEA 14:35
      14h 15m
      1 stop
      LIS 12:50
      Seattle - Lisbon | Mon, Nov 9 | Icelandair
      €632 €998
      37% off
      37% off
      €998 €632
    • LIS 14:00
      35h
      1 stop
      SEA 17:00
      Lisbon - Seattle | Thu, Nov 26 | Icelandair
      SEA 14:35
      14h 15m
      1 stop
      LIS 12:50
      Seattle - Lisbon | Wed, Dec 2 | Icelandair
      €637 €998
      36% off
      36% off
      €998 €637
    • LIS 11:30
      38h 40m
      1 stop
      SEA 18:10
      Lisbon - Seattle | Tue, Nov 3 | Turkish Airlines
      SEA 20:05
      30h 30m
      1 stop
      LIS 10:35
      Seattle - Lisbon | Thu, Nov 5 | Turkish Airlines
      €707 €998
      28% off
      28% off
      €998 €707
    • LIS 16:10
      33h
      1 stop
      SEA 17:10
      Lisbon - Seattle | Sun, Nov 8 | Turkish Airlines
      SEA 19:05
      31h 25m
      1 stop
      LIS 10:30
      Seattle - Lisbon | Sun, Nov 15 | Turkish Airlines
      €712
      28% off
      €998 €712
    • LIS 16:10
      34h
      1 stop
      SEA 18:10
      Lisbon - Seattle | Wed, Nov 4 | Turkish Airlines
      SEA 19:05
      20h 20m
      1 stop
      LIS 23:25
      Seattle - Lisbon | Sun, Nov 8 | Turkish Airlines
      €747
      25% off
      €998 €747
    • LIS 05:55
      19h 15m
      1 stop
      SEA 17:10
      Lisbon - Seattle | Sun, Nov 15 | Turkish Airlines
      SEA 19:05
      20h 20m
      1 stop
      LIS 23:25
      Seattle - Lisbon | Sun, Nov 22 | Turkish Airlines
      €747
      25% off
      €998 €747
    • LIS 06:00
      20h 10m
      1 stop
      SEA 18:10
      Lisbon - Seattle | Thu, Nov 5 | Turkish Airlines
      SEA 19:05
      20h 20m
      1 stop
      LIS 23:25
      Seattle - Lisbon | Thu, Nov 12 | Turkish Airlines
      €754
      24% off
      €998 €754
    • LIS 16:10
      34h
      1 stop
      SEA 18:10
      Lisbon - Seattle | Fri, Nov 6 | Turkish Airlines
      SEA 19:05
      20h 20m
      1 stop
      LIS 23:25
      Seattle - Lisbon | Fri, Nov 13 | Turkish Airlines
      €755
      24% off
      €998 €755
    • LIS 16:10
      33h
      1 stop
      SEA 17:10
      Lisbon - Seattle | Sat, Nov 14 | Turkish Airlines
      SEA 19:05
      20h 20m
      1 stop
      LIS 23:25
      Seattle - Lisbon | Sat, Nov 21 | Turkish Airlines
      €758
      24% off
      €998 €758
    • LIS 13:00
      17h 25m
      1 stop
      SEA 14:00
      Lisbon - Seattle | Sat, Oct 17 | Normal Airline
      SEA 15:00
      6h
      Direct
      LIS 16:00
      Seattle - Lisbon | Mon, Oct 19 | Normal Airline
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    • Cheapest
      LIS 20:20
      30h 40m
      1 stop
      SEA 19:00
      Lisbon - Seattle | Wed, Oct 21 | Ryanair
      €508 €736
      31% off
      31% off
      €736 €508
    • LIS 10:40
      16h 46m
      1 stop
      SEA 19:26
      Lisbon - Seattle | Wed, Oct 21 | TAP Air Portugal
      €515 €736
      30% off
      30% off
      €736 €515
    • LIS 21:35
      29h 25m
      1 stop
      SEA 19:00
      Lisbon - Seattle | Wed, Oct 21 | easyJet
      €520 €736
      28% off
      28% off
      €736 €520
    • LIS 08:35
      19h 21m
      1 stop
      SEA 19:56
      Lisbon - Seattle | Fri, Dec 11 | Air Transat
      €555
      25% off
      €736 €555
    • LIS 06:40
      20h 20m
      1 stop
      SEA 19:00
      Lisbon - Seattle | Thu, Oct 22 | easyJet
      €559
      24% off
      €736 €559
    • LIS 19:25
      29h 40m
      1 stop
      SEA 18:05
      Lisbon - Seattle | Fri, Oct 30 | Ryanair
      €581
      21% off
      €736 €581
    • LIS 11:05
      19h 33m
      1 stop
      SEA 22:38
      Lisbon - Seattle | Tue, Dec 8 | American Airlines
      €585
      21% off
      €736 €585
    • LIS 11:05
      32h 40m
      1 stop
      SEA 11:45
      Lisbon - Seattle | Sun, Nov 22 | American Airlines
      €592
      20% off
      €736 €592
    • LIS 11:05
      32h 34m
      1 stop
      SEA 11:39
      Lisbon - Seattle | Thu, Oct 22 | American Airlines
      €593
      19% off
      €736 €593
    • LIS 13:00
      17h 25m
      1 stop
      SEA 14:00
      Lisbon - Seattle | Sat, Oct 17 | Normal Airline
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    • LIS 10:40
      14h 10m
      1 stop
      SEA 16:50
      Lisbon - Seattle | Tue, Dec 8 | British Airways
      €615 €1,212
      49% off
      49% off
      €1,212 €615
    • LIS 10:45
      14h 5m
      1 stop
      SEA 16:50
      Lisbon - Seattle | Wed, Dec 30 | British Airways
      €729 €1,212
      40% off
      40% off
      €1,212 €729
    • LIS 11:40
      13h 20m
      1 stop
      SEA 17:00
      Lisbon - Seattle | Tue, Jan 5 | Icelandair
      €791 €1,212
      35% off
      35% off
      €1,212 €791
    • LIS 10:40
      14h 10m
      1 stop
      SEA 16:50
      Lisbon - Seattle | Thu, Dec 31 | British Airways
      €821
      32% off
      €1,212 €821
    • LIS 10:40
      14h 10m
      1 stop
      SEA 16:50
      Lisbon - Seattle | Thu, Dec 31 | American Airlines
      €872
      28% off
      €1,212 €872
    • LIS 11:20
      17h 39m
      1 stop
      SEA 20:59
      Lisbon - Seattle | Sat, Jan 2 | United Airlines
      €981
      19% off
      €1,212 €981
    • LIS 13:00
      17h 25m
      1 stop
      SEA 14:00
      Lisbon - Seattle | Sat, Oct 17 | Normal Airline
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    • LIS 11:40
      13h 20m
      1 stop
      SEA 17:00
      Lisbon - Seattle | Tue, Jan 5 | Icelandair
      €791 €1,439
      45% off
      45% off
      €1,439 €791
    • LIS 10:45
      14h 5m
      1 stop
      SEA 16:50
      Lisbon - Seattle | Wed, Dec 30 | British Airways
      €729 €1,439
      49% off
      49% off
      €1,439 €729
    • LIS 10:40
      14h 10m
      1 stop
      SEA 16:50
      Lisbon - Seattle | Thu, Nov 26 | British Airways
      €623 €1,439
      56% off
      56% off
      €1,439 €623
    • LIS 10:40
      14h 10m
      1 stop
      SEA 16:50
      Lisbon - Seattle | Thu, Dec 31 | British Airways
      €821
      43% off
      €1,439 €821
    • LIS 10:40
      14h 10m
      1 stop
      SEA 16:50
      Lisbon - Seattle | Sun, Jan 3 | American Airlines
      €1,165
      19% off
      €1,439 €1,165
    • LIS 10:40
      14h 10m
      1 stop
      SEA 16:50
      Lisbon - Seattle | Tue, Dec 8 | British Airways
      €615
      56% off
      €1,439 €615
    • LIS 10:40
      14h 10m
      1 stop
      SEA 16:50
      Lisbon - Seattle | Thu, Dec 31 | American Airlines
      €872
      39% off
      €1,439 €872
    • LIS 10:40
      14h 10m
      1 stop
      SEA 17:50
      Lisbon - Seattle | Thu, Oct 29 | British Airways
      €981
      32% off
      €1,439 €981
    • LIS 10:40
      14h 10m
      1 stop
      SEA 16:50
      Lisbon - Seattle | Tue, Dec 8 | American Airlines
      €685
      52% off
      €1,439 €685
    • LIS 13:00
      17h 25m
      1 stop
      SEA 14:00
      Lisbon - Seattle | Sat, Oct 17 | Normal Airline
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Displayed flight fares from Lisbon to Seattle are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from Humberto Delgado Airport to Seattle-Tacoma International Airport?

The cheapest airline flying from Humberto Delgado Airport to Seattle-Tacoma International Airport is Norwegian Air Sweden (from €425) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Norwegian Air Sweden
From €425
British Airways
From €432
Norwegian Air Shuttle ASA
From €440
Ryanair
From €445
Air Transat
From €449
American Airlines
From €450
TAP Air Portugal
From €454
easyJet
From €460
Royal Air Maroc
From €526
KLM
From €535

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What is the flight schedule from Humberto Delgado Airport to Seattle-Tacoma International Airport?

Check the schedule for flights from Lisbon to Seattle and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. TP257

    Humberto Delgado Airport

    10:40

    LIS

    8h 20m

    Direct

    14:00

    YYZ

    S M T W T F S
    Search

  2. AS391

    Toronto Pearson International Airport

    17:15

    YYZ

    5h 58m

    Direct

    20:13

    SEA

    S M T W T F S

  3. TS481

    Humberto Delgado Airport

    11:35

    LIS

    8h 5m

    Direct

    14:40

    YYZ

    S M - W T - S
    Search

  4. AS391

    Toronto Pearson International Airport

    17:15

    YYZ

    5h 58m

    Direct

    20:13

    SEA

    S M T W T F S

  5. U28512

    Humberto Delgado Airport

    14:50

    LIS

    2h 45m

    Direct

    17:35

    LGW

    S M T W T F S
    Search

  6. AS101

    Heathrow Airport

    14:45

    LHR

    10h 15m

    Direct

    17:00

    SEA

    S M T W T F S

  7. AA8543

    Humberto Delgado Airport

    08:25

    LIS

    1h 25m

    Direct

    10:50

    MAD

    S M T W T F -
    Search

  8. AA8835

    Madrid Barajas Airport

    12:30

    MAD

    8h 25m

    Direct

    14:55

    JFK

    S M T W T F S

  9. AS017

    John F. Kennedy International Airport

    18:39

    JFK

    6h 38m

    Direct

    22:17

    SEA

    S - T W T F S

  10. IB540

    Humberto Delgado Airport

    06:35

    LIS

    1h 25m

    Direct

    09:00

    MAD

    S M T W T F S
    Search

  11. AA8850

    Madrid Barajas Airport

    12:00

    MAD

    8h 55m

    Direct

    14:55

    YYZ

    S - T - T F S

  12. AC541

    Toronto Pearson International Airport

    19:41

    YYZ

    5h 19m

    Direct

    22:00

    SEA

    S M T W T F S

  13. TP253

    Humberto Delgado Airport

    18:25

    LIS

    7h 45m

    Direct

    21:10

    YUL

    S - - W T - S
    Search

  14. AC301

    Montréal-Pierre Elliott Trudeau International Airport

    07:15

    YUL

    5h 20m

    Direct

    09:35

    YVR

    S M T W T F S

  15. AC8804

    Vancouver International Airport

    13:10

    YVR

    1h 7m

    Direct

    14:17

    SEA

    S M T W T F S

  16. U22466

    Humberto Delgado Airport

    21:35

    LIS

    2h 35m

    Direct

    00:10

    LTN

    S - T - - - -
    Search

  17. AS101

    Heathrow Airport

    14:45

    LHR

    10h 15m

    Direct

    17:00

    SEA

    S M T W T F S

  18. FR714

    Humberto Delgado Airport

    09:55

    LIS

    2h 45m

    Direct

    12:40

    STN

    S M T W T - S
    Search

  19. AS101

    Heathrow Airport

    14:45

    LHR

    10h 15m

    Direct

    17:00

    SEA

    S M T W T F S

  20. AT983

    Humberto Delgado Airport

    17:55

    LIS

    1h 25m

    Direct

    19:20

    CMN

    S M T W T F S
    Search

  21. AT250

    Casablanca Mohammed V International Airport

    03:00

    CMN

    12h 20m

    Direct

    08:20

    LAX

    - M - - T - S

  22. F91177

    Los Angeles International Airport

    17:38

    LAX

    3h

    Direct

    20:38

    SEA

    S M T W T F S

  23. TP261

    Humberto Delgado Airport

    17:45

    LIS

    8h 20m

    Direct

    21:05

    YYZ

    S - T W T - S
    Search

  24. WS639

    Toronto Pearson International Airport

    12:00

    YYZ

    4h 20m

    Direct

    14:20

    YYC

    S M T W T F S

  25. WS1552

    Calgary International Airport

    17:50

    YYC

    1h 55m

    Direct

    18:45

    SEA

    S M T W T F S
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About Humberto Delgado Airport and Seattle-Tacoma International Airport

Learn about Humberto Delgado Airport (LIS) and Seattle-Tacoma International Airport (SEA) — including location, terminals, transportation, and travel tips.

Flight distance 8,382.32km
Cheapest one-way ticket price €508
Cheapest return ticket price €632

FAQs for Humberto Delgado Airport to Seattle-Tacoma International Airport Flights

  • What is the transportation method from the main airport to downtown in Seattle?

    • The distance from Seattle-Tacoma International Airport to downtown is about 17km, by taxi about 30 minutes.
  • One-way flights from Humberto Delgado Airport to Seattle-Tacoma International Airport currently start from €508, and round-trip fares start from €632. The current lowest fare is a Ryanair flight departing on Wed, Oct 21; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Humberto Delgado Airport to Seattle-Tacoma International Airport is €1,034. Prices may vary depending on the departure date, airline, and availability.
  • Enter Humberto Delgado Airport and Seattle-Tacoma International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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

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Prices displayed on 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, Wi-Fi, 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 the last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

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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.