Flights New York → Seattle — September 19, 2026

One way · Economy · 1 adult · price per person

The cheapest flight observed for Saturday, September 19, 2026 on the New York–Seattle route: Alaska Airlines AS21, from New York JFK (JFK) to Seattle-Tacoma (SEA), departs 7:25 AM, arrives 10:34 AM, direct, 6h 9m, $196 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable. Price found in an Aviasales search on September 9, 2026 and read by AirSource on September 10, 2026, 21:23 UTC: it is not guaranteed and is confirmed on Aviasales at booking time.

Lowest price observed in the available data

Alaska Airlines AS21

Direct · New York JFK (JFK) → Seattle-Tacoma (SEA)

Direct

7:25 AM

Sat, Sep 19

New York JFK (JFK)

6h 9m

direct

10:34 AM

Sat, Sep 19

Seattle-Tacoma (SEA)

Airline: Alaska Airlines (AS)
Flight: AS21
Departure: New York JFK (JFK) · September 19, 2026 · 7:25 AM local time (UTC-4)
Arrival: Seattle-Tacoma (SEA) · September 19, 2026 · 10:34 AM local time (UTC-7)
Stops: Direct (no plane change, as stated by the source; it can include a stop)
Duration: 6h 9m
Carry-on bag: not included (personal item only)
Checked bag: not included
Changes: not allowed
Refund: non-refundable
Last observed price: $196 per person, one way
Observed: Price and fare conditions found in an Aviasales search on September 9, 2026 · read by AirSource on September 10, 2026, 21:23 UTC · more than 48 hours ago

Looking for other times? All New York–Seattle flights on September 19, 2026 on Aviasales.

Lowest price observed in the available data

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