Lisbon to Seattle flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Lisbon to Seattle is €559 (checked on 29 Oct 2026).
Your next trip, last seen at €559
Lowest observedWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €559, departing 25 Nov 2026 (Last checked: 29 Oct 2026)One-way fareCheck live prices for this route
- Airlines seen
- Air Transat, Alaska Airlines, Ryanair, TAP Air Portugal, Turkish Airlines, United Airlines
- Typical journey time
- 29h 10m
About this route
Explore the fares we observed from Lisbon to Seattle. Prices move often, so pick your dates to see the latest options.
- Route distance
- 8,366 km
- Typical journey time
- 29h 10m
- Seen on fares with a connection
- TAP Air Portugal, Turkish Airlines, Alaska Airlines
- Alternative airports
- BFI
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- Lisbon Humberto Delgado (LIS) → Lisbon, city gazetteer reference point (38.7223, -9.1393): ≈ 7 km.
- King County International Airport - Boeing Field (BFI) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 9 km.
- Seattle–Tacoma International Airport (SEA) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 18 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Frequently asked
How much is a flight from Lisbon to Seattle?
The lowest fare Routavio has observed is €559, found on 29 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Lisbon to Seattle?
In our observations November 2026 is the cheapest month so far, at €559.
Are there direct flights from Lisbon to Seattle?
Our data holds no non-stop flight from Lisbon to Seattle. The fares on this page include at least one stop.
Which airlines fly from Lisbon to Seattle?
Routavio has seen these carriers on the route: Air Transat, Alaska Airlines, Ryanair, TAP Air Portugal, Turkish Airlines, United Airlines.
How long does the flight from Lisbon to Seattle take?
Across the 36 fares Routavio observed, the average journey time is 25h 27m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Lisbon to Seattle fares were non-stop?
None of the 37 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.