Flights Seattle → New York — September 18, 2026

One way · Economy · 1 adult · price per person

The cheapest flight observed for Friday, September 18, 2026 on the Seattle–New York route: Alaska Airlines AS26, from Seattle-Tacoma (SEA) to New York JFK (JFK), departs 9:27 AM, arrives 5:59 PM, direct, 5h 32m, $173 per person. Fare as listed by Aviasales: carry-on bag included, checked bag not included, changes not allowed, non-refundable. Price found in an Aviasales search on September 5, 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 AS26

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

Direct

9:27 AM

Fri, Sep 18

Seattle-Tacoma (SEA)

5h 32m

direct

5:59 PM

Fri, Sep 18

New York JFK (JFK)

Airline: Alaska Airlines (AS)
Flight: AS26
Departure: Seattle-Tacoma (SEA) · September 18, 2026 · 9:27 AM local time (UTC-7)
Arrival: New York JFK (JFK) · September 18, 2026 · 5:59 PM local time (UTC-4)
Stops: Direct (no plane change, as stated by the source; it can include a stop)
Duration: 5h 32m
Carry-on bag: included
Checked bag: not included
Changes: not allowed
Refund: non-refundable
Last observed price: $173 per person, one way
Observed: Price and fare conditions found in an Aviasales search on September 5, 2026 · read by AirSource on September 10, 2026, 21:23 UTC · more than 48 hours ago

Looking for other times? All Seattle–New York flights on September 18, 2026 on Aviasales.

Lowest price observed in the available data

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