
Popular airlines from Seattle-Tacoma International Airport (SEA) to Humberto Delgado Airport (LIS)
- British Airways
British Airways
- Lufthansa
Lufthansa
- Turkish Airlines
Turkish Airlines
- Air Canada
Air Canada
- Aer Lingus
Aer Lingus
- Virgin Atlantic
Virgin Atlantic
- TAP Portugal
TAP Portugal
- Plan, book, fly with confidence
trending down icon Be in the knowGet alerts if flight prices drop or rise*bex rewards loyalty icon Book smarterSave up to 15% on select hotels after you book a flight*payments icon
Cheap flights from Seattle to Lisbon (SEA-LIS)
Prices were available within the past 7 days and start at €302 for one-way flights and €449 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, 10 Feb - Thu, 19 Feb
SEA
Seattle
LIS
Lisbon
€449 Return, found 1 day ago
€449
Return
found 1 day ago

Tue, 10 Feb - Thu, 19 Feb
SEA
Seattle
LIS
Lisbon
€459 Return, found 1 day ago
€459
Return
found 1 day ago

Tue, 10 Feb - Thu, 19 Feb
SEA
Seattle
LIS
Lisbon
€460 Return, found 1 day ago
€460
Return
found 1 day ago

Tue, 10 Feb - Thu, 19 Feb
SEA
Seattle
LIS
Lisbon
€462 Return, found 1 day ago
€462
Return
found 1 day ago

Tue, 10 Feb - Thu, 19 Feb
SEA
Seattle
LIS
Lisbon
€463 Return, found 1 day ago
€463
Return
found 1 day ago

Sat, 6 Sep - Sun, 21 Sep
SEA
Seattle
LIS
Lisbon
€542 Return, just found
€542
Return
just found

Tue, 10 Feb - Thu, 19 Feb
SEA
Seattle
LIS
Lisbon
€549 Return, found 1 day ago
€549
Return
found 1 day ago

Tue, 10 Feb - Thu, 19 Feb
SEA
Seattle
LIS
Lisbon
€549 Return, found 1 day ago
€549
Return
found 1 day ago

Tue, 10 Feb - Thu, 19 Feb
SEA
Seattle
LIS
Lisbon
€558 Return, found 1 day ago
€558
Return
found 1 day ago

Tue, 10 Feb - Thu, 19 Feb
SEA
Seattle
LIS
Lisbon
€593 Return, found 1 day ago
€593
Return
found 1 day ago
Find the cheapest month to fly from Seattle (SEA) to Lisbon (LIS)
February is typically the cheapest month to fly
From €414 - €918 per traveller.
Graph displaying average flight prices per month
Origin airport | Seattle - Tacoma Intl. |
Destination airport | Humberto Delgado |
Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, Icelandair, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United |
Return price | €449 |
Distance | 8323 km |
Perfect flights from Seattle to Lisbon
Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seattle to Lisbon. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
Our flexible Seattle - Tacoma Intl. to Humberto Delgado ticket options cater to your travel preferences, with incredible one-way fares from €302 and roundtrip prices from €449. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Humberto Delgado and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Lisbon.
Frequently asked questions
Explore a world of travel with Expedia
- Trending Routes
- Trending Flights
- Top Flights Destinations
- More Airlines
- Cheap Flights from Other Airports
- Expedia's Latest Trends
Top Routes from Seattle
- Seattle to Los Angeles (SEA - LAX)
- Seattle to Boston (SEA - BOS)
- Seattle to Honolulu (SEA - HNL)
- Seattle to Denver (SEA - DEN)
- Seattle to New York (SEA - JFK)
- Seattle to Dublin (SEA - DUB)
- Seattle to Vancouver (SEA - YVR)
- Seattle to Dallas (SEA - DFW)
- Seattle to London (SEA - LHR)
- Seattle to San Francisco (SEA - SFO)
Top Routes to Lisbon
- Riga to Lisbon (RIX - LIS)
- Zagreb to Lisbon (ZAG - LIS)
- Prague to Lisbon (PRG - LIS)
- Cork to Lisbon (ORK - LIS)
- Bucharest to Lisbon (OTP - LIS)
- Sofia to Lisbon (SOF - LIS)
- São Paulo to Lisbon (GRU - LIS)
- Warsaw to Lisbon (WAW - LIS)
- Dublin to Lisbon (DUB - LIS)
- Budapest to Lisbon (BUD - LIS)
- Shannon to Lisbon (SNN - LIS)
- Faro to Lisbon (FAO - LIS)
Top Routes from Seattle
Top Flight Destinations
- Flights to Lisbon
- Flights to Porto
- Flights to Albufeira
- Flights to Lagos
- Flights to Faro
- Flights to Portimão
- Flights to Cascais
- Flights to Loulé
- Flights to Lagoa
- Flights to Ponta Delgada
- Flights to Tavira
- Flights to Sintra
- Flights to Nazaré
- Flights to Olhao
- Flights to Vila Nova de Gaia
- Flights to Vila Real Santo Antonio
- Flights to Aveiro
- Flights to Coimbra
- Flights to Braga
- Flights to Sesimbra
Expedia's Latest Trends
Flights
- Flights from Las Vegas (LAS) to Los Angeles (LAX)
- Flights from San Francisco (SFO) to Las Vegas (LAS)
- Flights from Los Angeles (LAX) to Las Vegas (LAS)
- Flights from Boston (BOS) to Dublin (DUB)
- Flights from Los Angeles Intl. to NYC-All Airports
- Flights from Dublin (DUB) to San Diego (SAN)
- Flights from Dublin (DUB) to Pittsburgh (PIT)
- Flights from Las Vegas (LAS) to Dublin (DUB)
- Flights from Shannon (SNN) to Boston (BOS)
- Flights from Dublin (DUB) to St. Louis (STL)
- Flights from Shannon (SNN) to Dallas (DFW)
- Flights from New York (JFK) to Boston (BOS)
- Flights from LON-All Airports to NYC-All Airports
- Flights from Pearson Intl. to NYC-All Airports
- Flights from Toronto (YYZ) to Boston (BOS)
- Flights from Cork (ORK) to San Diego (SAN)
- Flights from Shannon (SNN) to Las Vegas (LAS)
- Flights from Dublin (DUB) to West Palm Beach (PBI)
- Flights from Cork (ORK) to Las Vegas (LAS)
- Flights from Dublin (DUB) to Fort Lauderdale (FLL)
- Flights from Dublin (DUB) to Philadelphia (PHL)
- Flights from Dublin (DUB) to Florence (CVG)
- Flights from San Diego (SAN) to Dublin (DUB)
- Flights from Dallas (DFW) to Dublin (DUB)
- Flights from Boston (BOS) to New York (JFK)
- Flights from Philadelphia (PHL) to Dublin (DUB)
- Flights from London (LHR) to Las Vegas (LAS)
- Flights from Dublin (DUB) to Boston (BOS)
- Flights from Dublin (DUB) to Dallas (DFW)
- Flights from Dublin (DUB) to Las Vegas (LAS)
*Available to Expedia members.