prices we've seen · United States fares · USD
The cheapest one-way fare from Seattle (SEA) to Amsterdam (AMS) we have seen is $605 USD, departing Nov 11, 2026 (seen Nov 10, 2026): Lufthansa LH 8718, 2 stops, 21h 5m.
Cheapest · One wayseen Nov 10
$605 USD
Lufthansa LH 8718 · Nov 11 · 2 stops · 21h 5m
Continue on the seller's site — $605Cheapest round tripseen Nov 9
$1,330 USD
Turkish Airlines TK 204 · Jan 2 → Jan 6 · 2 stops · 44h 35m in all, both ways
Continue on the seller's site — $1,330a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
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Checked Nov 11
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Each day's cheapest fare we've seen, nonstop and with stops. Cheapest first.
We may earn a commission from the seller · How we rank
The cheapest round trips we've seen on this route, on any dates, cheapest first.
We may earn a commission from the seller · How we rank
Compared with Seattle → Amsterdam: $605 one way (Nov 11).
Marketing carriers; the operating airline is shown by the seller.
The cheapest one-way fare from Seattle (SEA) to Amsterdam (AMS) we have seen is $605 USD, departing Nov 11, 2026 (seen Nov 10, 2026): Lufthansa LH 8718, 2 stops, 21h 5m.
None of the 3 departure dates seen has a nonstop fare — every fare has at least one stop; carriers seen: Alaska Airlines, Lufthansa, Turkish Airlines, WestJet.
By month, Nov 2026 is the cheapest we've seen at $605 USD and Dec 2026 the most expensive at $892 USD — a spread of 47%.
It is the cheapest fare we've seen for that date; the date beside it is the day it was seen, or our last check. We look again at least once a day for the routes people search, and stop showing a route's prices two days after our last look. The seller's page shows the price right now.
By price and duration only; commission never enters the order. Cheapest means cheapest among the fares we've seen for this route. A click that books may earn a2bflight a commission from the seller; the price you see is the seller's own. See how we rank and what we keep.