Route guide

Seattle to Indianapolis (SEA-IND): Nonstop Upgrade & Award Space

Alaska Airlines, Inc. flies nonstop between Seattle (SEA) and Indianapolis (IND), roughly 14 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 SEA to IND 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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14
Nonstop flights a week
1,861 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every SEA to IND 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 Indianapolis 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 IND 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 IND on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Seattle to Indianapolis nonstop

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

  • Alaska Airlines, Inc.
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Frequently asked questions about SEA to IND

How far is Indianapolis from Seattle?
SEA to IND covers about 1,861 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 IND?
Alaska Airlines, Inc. is currently the only airline flying SEA to IND nonstop. 2LNR tracks confirmed upgrade and award space on every Alaska Airlines, Inc. departure.
How many flights a week are there from SEA to IND?
About 14 nonstop flights a week run between Seattle and Indianapolis 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 SEA to IND?
Open the SEA to IND calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Seattle to Indianapolis route, and 2LNR will notify you when space opens. It's free to start.

Never miss SEA to IND upgrade or award space

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