Bellingham to Seattle (BLI-SEA): nonstop upgrade & award space

Alaska Airlines flies nonstop between Bellingham (BLI) and Seattle (SEA), roughly 21 times a week. With Alaska Airlines running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. 2LNR tracks confirmed upgrade and award space on Alaska Airlines, on every BLI to SEA departure, so you know which flights have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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21
Nonstop flights a week
94 mi
Nonstop distance
Free
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Bellingham to Seattle flight schedule

Scheduled nonstop departures for BLI to SEA, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Bellingham (BLI) to Seattle (SEA)
Date Flight Airline Departs BLI Arrives SEA Duration Aircraft
AS 3448Alaska Airlines, Inc.05:2606:2054 minutesE75
AS 3294Alaska Airlines, Inc.14:0615:0559 minutesE75
AS 3433Alaska Airlines, Inc.19:2620:2559 minutesE75
AS 3448Alaska Airlines, Inc.05:2606:2054 minutesE75
AS 3294Alaska Airlines, Inc.14:0615:0559 minutesE75
AS 3433Alaska Airlines, Inc.19:2620:2559 minutesE75
AS 3448Alaska Airlines, Inc.05:2606:2054 minutesE75
AS 3294Alaska Airlines, Inc.14:0615:0559 minutesE75
AS 3433Alaska Airlines, Inc.19:2620:2559 minutesE75
AS 3448Alaska Airlines, Inc.05:2606:2054 minutesE75
AS 3294Alaska Airlines, Inc.14:0615:0559 minutesE75
AS 3433Alaska Airlines, Inc.19:2620:2559 minutesE75
AS 3448Alaska Airlines, Inc.05:2606:2054 minutesE75
AS 3294Alaska Airlines, Inc.14:0615:0559 minutesE75
AS 3433Alaska Airlines, Inc.19:2620:2559 minutesE75
AS 3448Alaska Airlines, Inc.05:2606:2054 minutesE75
AS 3294Alaska Airlines, Inc.14:0615:0559 minutesE75
AS 3433Alaska Airlines, Inc.19:2620:2559 minutesE75
AS 3448Alaska Airlines, Inc.05:2606:2054 minutesE75
AS 3294Alaska Airlines, Inc.14:0615:0559 minutesE75
AS 3433Alaska Airlines, Inc.19:2620:2559 minutesE75

Showing all 21 scheduled BLI to SEA departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every BLI to SEA date on the interactive map

Confirmed upgrade & award space on BLI to SEA departures

2LNR tracks confirmed upgrade and award space on Alaska Airlines, segment by segment and date by date. Open the calendar for Bellingham to Seattle to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

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 Bellingham to Seattle nonstop

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

See BLI to SEA on the interactive map →

Frequently asked questions about BLI to SEA

How far is Seattle from Bellingham?
BLI to SEA covers about 94 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from BLI to SEA?
Alaska Airlines is currently the only airline flying BLI to SEA nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines.
How many flights a week are there from BLI to SEA?
About 21 nonstop flights a week run between Bellingham and Seattle in the current schedule, operated by Alaska Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from BLI to SEA depart?
Scheduled BLI to SEA nonstops in the next 7 days with service leave between 05:26 and 19:26, local time at Bellingham. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on BLI to SEA?
Open the BLI to SEA route on the interactive map or the matrix to see confirmed upgrade and award space by date on Alaska Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss BLI to SEA upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

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