Indianapolis (IND) to Seattle (SEA) flights
2 airlines fly nonstop from Indianapolis (IND) to Seattle (SEA): Alaska Airlines and American Airlines. The two airports are 1,861 miles (2,995 km) apart. Alaska Airlines and American Airlines are in oneworld. There are also 36 ways to fly it with one stop, through Omaha, Chicago and Chicago and more.
Airlines flying nonstop from IND to SEA
- Alaska Airlinesoneworld · bookable with 9 programsWho books it

- American Airlinesoneworld · bookable with 9 programsWho books it

Book IND to SEA with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Alaska Atmos RewardsBooks Alaska Airlines, American Airlines
- American AAdvantageBooks Alaska Airlines, American Airlines
- British Airways ClubBooks Alaska Airlines, American Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines, American Airlines
- Finnair PlusBooks Alaska Airlines, American Airlines
- Iberia ClubBooks Alaska Airlines, American Airlines
- JAL Mileage BankBooks Alaska Airlines, American Airlines
- Qantas Frequent FlyerBooks Alaska Airlines, American Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines, American Airlines
IND to SEA with one stop
36 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Omaha (OMA)Delta Air Lines, then Alaska Airlines


- Via Chicago (MDW)Southwest Airlines the whole way


- Via Chicago (ORD)American Airlines and United Airlines the whole way



+1
- Via Lincoln (LNK)American Airlines the whole way



- Via Minneapolis (MSP)Delta Air Lines and Sun Country Airlines the whole way





- Via Kansas City (MCI)Southwest Airlines the whole way




- Via Denver (DEN)Frontier Airlines, United Airlines and 1 more the whole way




+3
- Via Salt Lake City (SLC)Delta Air Lines the whole way



- Via Detroit (DTW)Delta Air Lines the whole way



- Via Nashville (BNA)Southwest Airlines the whole way




- Via Dallas (DFW)American Airlines the whole way





- Via Dallas (DAL)Southwest Airlines the whole way


- Via Las Vegas (LAS)Southwest Airlines the whole way



+2
- Via Toronto (YYZ)Air Canada the whole way



- Via Phoenix (PHX)American Airlines and Southwest Airlines the whole way



+1
IND to SEA: common questions
Which airlines fly nonstop from IND to SEA?
Alaska Airlines (oneworld) and American Airlines (oneworld) fly nonstop from Indianapolis (IND) to Seattle (SEA).
How far is Indianapolis from Seattle by plane?
Indianapolis (IND) and Seattle (SEA) are 1,861 miles (2,995 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book IND to SEA award flights?
9 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 1 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does IND to SEA cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IND to SEA with taxes and fees.
Where can I connect between Indianapolis and Seattle?
The most direct connections are through Omaha (OMA), Chicago (MDW), Chicago (ORD), Lincoln (LNK) and Minneapolis (MSP). On 30 of them the same airline flies both flights, for example Southwest Airlines through Chicago.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.