Route guide

Seattle to Newark (SEA-EWR): Nonstop Upgrade & Award Space

United Airlines and Alaska Airlines, Inc. fly nonstop between Seattle (SEA) and Newark (EWR), roughly 53 times a week. Because so many carriers compete on this route, premium seats turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every SEA to EWR departure, so you know which flights have space before you book.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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53
Nonstop flights a week
2,395 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every SEA to EWR departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Seattle to Newark to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each SEA to EWR departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See SEA to EWR on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Seattle to Newark nonstop

Carriers operating SEA to EWR nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • United Airlines
  • Alaska Airlines, Inc.
See SEA to EWR on the interactive map →

Frequently asked questions about SEA to EWR

How far is Newark from Seattle?
SEA to EWR covers about 2,395 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from SEA to EWR?
United Airlines and Alaska Airlines, Inc. fly the route nonstop. 2LNR tracks confirmed upgrade and award space on both of them.
How many flights a week are there from SEA to EWR?
About 53 nonstop flights a week run between Seattle and Newark in the current schedule, operated by United Airlines and Alaska Airlines, Inc.. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on SEA to EWR?
Open the SEA to EWR calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Seattle to Newark route, and 2LNR will notify you when space opens. It's free to start.

Never miss SEA to EWR upgrade or award space

Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.

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