Route guide

Marietta-Alderwood to Seattle (BLI-SEA): Nonstop Upgrade & Award Space

Alaska Airlines, Inc. flies nonstop between Marietta-Alderwood (BLI) and Seattle (SEA), roughly 21 times a week. With Alaska Airlines, Inc. operating this route so often, premium seats still turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every BLI to SEA 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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21
Nonstop flights a week
94 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every BLI to SEA 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 Marietta-Alderwood to Seattle 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 BLI to SEA 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 BLI to SEA on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Marietta-Alderwood to Seattle nonstop

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

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

Frequently asked questions about BLI to SEA

How far is Seattle from Marietta-Alderwood?
BLI to SEA covers about 94 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from BLI to SEA?
Alaska Airlines, Inc. is currently the only airline flying BLI to SEA nonstop. 2LNR tracks confirmed upgrade and award space on every Alaska Airlines, Inc. departure.
How many flights a week are there from BLI to SEA?
About 21 nonstop flights a week run between Marietta-Alderwood and Seattle in the current schedule, operated by 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 BLI to SEA?
Open the BLI to SEA calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Marietta-Alderwood to Seattle route, and 2LNR will notify you when space opens. It's free to start.

Never miss BLI to SEA upgrade or award space

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

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