New York to Seattle EWR, JFK, LGA → SEA
Newark Liberty International Airport (EWR), John F. Kennedy International Airport (JFK), LaGuardia Airport (LGA) → Seattle-Tacoma International Airport (SEA)
The cheapest return found recently is $349 with Alaska Airlines, 28 Oct – 28 Oct, found 3 days ago. The cheapest one-way found recently is $209 with Alaska Airlines, 20 Jun 2027, found yesterday.
Return
The cheapest return fare on each of 3 departure dates is usually $360 to $373.
Cheapest return found recently
$349
28 Oct – 28 Oct · Alaska Airlines
John F. Kennedy International Airport (JFK) → Seattle-Tacoma International Airport (SEA)
Leaves 7:22 a.m. · Return leaves 11:18 p.m. · 11 h 39 min of travel, both ways together
out nonstop, back nonstop
found 3 days ago
Cheapest nonstop return
$349
28 Oct – 28 Oct · Alaska Airlines
John F. Kennedy International Airport (JFK) → Seattle-Tacoma International Airport (SEA)
Leaves 7:22 a.m. · Return leaves 11:18 p.m. · 11 h 39 min of travel, both ways together
out nonstop, back nonstop
found 3 days ago
Found recently, and the cheapest we hold
$349 28 Oct – 28 Octfound 3 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $327 to $392.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 28 Oct to 7 Jan 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 0-night return fares leaving within 3 days of 28 Oct to compare.
Every date we hold
10 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 28 Oct – 28 Oct | $349 | Alaska Airlines | John F. Kennedy International Airport (JFK) → Seattle-Tacoma International Airport (SEA) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 6 Nov – 13 Nov | $371 | United Airlines | Newark Liberty International Airport (EWR) → Seattle-Tacoma International Airport (SEA) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 7 Jan 2027 – 11 Jan 2027 | $375 | United Airlines | Newark Liberty International Airport (EWR) → Seattle-Tacoma International Airport (SEA) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
Which month looks cheapest?
October 2026 is the cheapest month — from $349.
Airlines on the cheapest dates: United Airlines, Alaska Airlines.
One-way
The cheapest one-way fare on each of 6 departure dates is usually $183 to $202.
Cheapest one-way found recently
$209
20 Jun 2027 · Alaska Airlines
Newark Liberty International Airport (EWR) → Seattle-Tacoma International Airport (SEA)
Leaves 7:29 p.m. · 6 h 13 min trip
nonstop
found yesterday
Cheapest nonstop one-way
$209
20 Jun 2027 · Alaska Airlines
Newark Liberty International Airport (EWR) → Seattle-Tacoma International Airport (SEA)
Leaves 7:29 p.m. · 6 h 13 min trip
nonstop
found yesterday
Found recently, and the cheapest we hold
$209 20 Jun 2027found yesterdayOpen this trip
$102 28 Octfound 3 days agoOpen this trip
What have prices looked like?
Over 23 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $102 to $209.
At $209, the cheapest one-way found recently is at the high end of that range.
23 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 6 departure dates from 28 Oct to 20 Jun 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 20 Jun 2027 to compare.
Every date we hold
10 fares on 6 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 28 Oct | $102 | Alaska Airlines | John F. Kennedy International Airport (JFK) → Seattle-Tacoma International Airport (SEA) | nonstop | found 3 days ago | Open this trip |
| 12 Jan 2027 | $194 | Alaska Airlines | John F. Kennedy International Airport (JFK) → Seattle-Tacoma International Airport (SEA) | nonstop | found 5 days ago | Open this trip |
| 2 Mar 2027 | $179 | Alaska Airlines | Newark Liberty International Airport (EWR) → Seattle-Tacoma International Airport (SEA) | nonstop | found 4 days ago | Open this trip |
| 16 Mar 2027 | $202 | Alaska Airlines | Newark Liberty International Airport (EWR) → Seattle-Tacoma International Airport (SEA) | nonstop | found 4 days ago | Open this trip |
| 21 Apr 2027 | $202 | United Airlines | Newark Liberty International Airport (EWR) → Seattle-Tacoma International Airport (SEA) | nonstop | found 2 days ago | Open this trip |
| 20 Jun 2027 | $209 | Alaska Airlines | Newark Liberty International Airport (EWR) → Seattle-Tacoma International Airport (SEA) | nonstop | found yesterday | Open this trip |
Which month looks cheapest?
October 2026 is the cheapest month — from $102.
Airlines on the cheapest dates: Alaska Airlines, United Airlines.
Premium cabin fares from New York to Seattle
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 28 Oct – 28 Oct in another cabin: Premium economy · Business · First
Today's prices for 20 Jun 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for New York to Seattle?
Return
The cheapest fares were 30 to 59 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $378 | $348 | +3% | 14 |
| 7–13 days | $415 | $327 | +13% | 19 |
| 14–29 days | $372 | $327 | +1% | 19 |
| 30–59 days | $367 | $332 | Cheapest seen | 21 |
| 60–89 days | $431 | $332 | +17% | 25 |
| 90–179 days | $398 | $392 | +8% | 17 |
| 180+ days | $409 | $408 | +11% | 19 |
One-way
Fares 90 to 179 days before departure were typically 6% lower than 60 to 89 days before departure.
From the cheapest one-way each day between 24 Sept and 18 Oct (23 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 60–89 days | $188 | $165 | +7% | 7 |
| 90–179 days | $176 | $173 | Cheapest seen | 20 |
| 180+ days | $199 | $193 | +13% | 18 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
New York → Bellingham
128 km from Seattle
$460
$111 more than flying to Seattle
31 Dec – 8 Jan 2027 · EWR → BLI · out 1 stop, back 1 stop
found yesterday
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Philadelphia → Seattle
130 km from New York
$200
$9 less than flying from New York
25 Nov · PHL → SEA · 1 stop
found 6 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 28 Oct – 28 Oct. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work