Lisbon (LIS) → Seattle (SEA)
About Lisbon to Seattle Flights
Discover the best flights from Lisbon to Seattle, covering 8,372 km in approximately 10h 58m. Lisbon (LIS) to Seattle (SEA) is one of the major long-haul routes connecting Portugal and United States. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Lisbon to Seattle.
12-Month Price History
Flight prices from Lisbon to Seattle vary significantly throughout the year. February typically offers the best deals with average prices around $1501, while July sees the highest prices, averaging $2524. Savvy travelers can save up to 41% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
81 days
For best prices
Booking Tips
For the best prices on Lisbon to Seattle flights, we recommend booking 97 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
United Airlines UA | $2490 | $9430 | $15700 |
TAP Air Portugal TP | $2520 | $9640 | $13440 |
Portugália Airlines NI | $2560 | $10360 | $14510 |
American Airlines AA | $2670 | $9420 | $14280 |
Delta Air Lines DL | $2680 | $10910 | $13450 |
Alaska Airlines AS | $2890 | $10670 | $17150 |
Portugália Airlines PGA | $3080 | $10130 | $16070 |
United Airlines
UA
Economy
$2490
Business
$9430
First
$15700
TAP Air Portugal
TP
Economy
$2520
Business
$9640
First
$13440
Portugália Airlines
NI
Economy
$2560
Business
$10360
First
$14510
American Airlines
AA
Economy
$2670
Business
$9420
First
$14280
Delta Air Lines
DL
Economy
$2680
Business
$10910
First
$13450
Alaska Airlines
AS
Economy
$2890
Business
$10670
First
$17150
Portugália Airlines
PGA
Economy
$3080
Business
$10130
First
$16070
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
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Frequently Asked Questions
How long is the flight from Lisbon to Seattle?
The flight time from Lisbon (LIS) to Seattle (SEA) is approximately 10 hours and 58 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Lisbon and Seattle?
The aerial distance between Lisbon and Seattle is 8,372 kilometers (5,202 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Lisbon to Seattle?
Several airlines operate flights between Lisbon and Seattle, including Delta Air Lines, Alaska Airlines, TAP Air Portugal and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from Lisbon to Seattle?
Based on historical data, February typically offers the lowest airfares for flights from Lisbon to Seattle. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Seattle?
For the best prices on Lisbon to Seattle flights, we recommend booking 113 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Lisbon to Seattle?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of Portugal traveling to United States should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Lisbon and Seattle?
Lisbon operates on Europe/Lisbon time zone, while Seattle is in the America/Los_Angeles time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.