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Cheap flights from Indianapolis to Seattle

12 nonstop flights a week, 1 of them today. Operated by 3 airlines, about 5h in the air, 1,868 mi (3,006 km). Tickets from $297, nonstop from $346.

Flights from Indianapolis to Seattle

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

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Best fares from Indianapolis to Seattle

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $297 14 November 2026, with a connection Cheapest nonstop $346 14 November 2026, Alaska Airlines Cheapest in the next 7 days $297 14 November, Sat Cheapest weekend departure $297 Sat, 14 November 2026 Cheapest month November 2026 tickets from $297

Indianapolis to Seattle at a glance

flight time, from 4h 50m to 9h 10m
5h
straight-line distance
1,868 mi (3,006 km)
flights a week
12
flight today
1
first and last departure
07:00 - 18:08
lowest price, with a connection, 14 November
$297
lowest nonstop price
$346
airlines
3

Indianapolis to Seattle flight schedule

12 flights a week, 1 today, 9 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
AS 485
Alaska Airlines
07:00 Indianapolis International
09:01 Seattle-Tacoma International
5h 1m
Mon, Fri, Sat, Sun
Boeing 737-800
AA 1063
American Airlines
15:45 Indianapolis International
17:40 Seattle-Tacoma International
4h 55m
Fri
Airbus A321
AS 500
Alaska Airlines
17:16 Indianapolis International
19:13 Seattle-Tacoma International
4h 57m
Mon, Fri, Sat, Sun
Boeing 737-800
AS 500
Alaska Airlines
18:08 Indianapolis International
19:59 Seattle-Tacoma International
4h 51m
Daily
Boeing 737-900

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 29 November.

FlightDepartsArrivesDurationDaysAircraft
WN 1655
Southwest Airlines
06:50 Indianapolis International
12:15 Seattle-Tacoma International
8h 25m
Seasonal
AS 500
Alaska Airlines
18:07 Indianapolis International
20:11 Seattle-Tacoma International
5h 4m
Seasonal
Boeing 737-900
AS 500
Alaska Airlines
18:12 Indianapolis International
20:16 Seattle-Tacoma International
5h 4m
Seasonal
Boeing 737
AS 244
Alaska Airlines
07:00 Indianapolis International
09:04 Seattle-Tacoma International
5h 4m
Seasonal
Boeing 737-900
AS 500
Alaska Airlines
18:26 Indianapolis International
20:26 Seattle-Tacoma International
5h
Seasonal
Boeing 737-900
AS 500
Alaska Airlines
08:20 Indianapolis International
10:18 Seattle-Tacoma International
4h 58m
Seasonal
Boeing 737-900
AS 500
Alaska Airlines
17:20 Indianapolis International
19:10 Seattle-Tacoma International
4h 50m
Seasonal
Boeing 737-900
AS 1702
Alaska Airlines
07:00 Indianapolis International
08:50 Seattle-Tacoma International
4h 50m
Seasonal
Boeing 737-900
WN 2171
Southwest Airlines
17:40 Indianapolis International
23:50 Seattle-Tacoma International
9h 10m
Seasonal

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Seattle is 3 hours behind Indianapolis. The search shows seat availability and the price for your date.

Airlines flying Indianapolis to Seattle

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

Alaska Airlines11 a week American Airlines1 a week Southwest Airlinesfrom 29 November

Airports

Where flights from Indianapolis to Seattle depart and land

Departure from Indianapolis

Indianapolis International IND

12 flights a week, 8 mi (13 km) from the city centre

About the airport

Arrival in Seattle

Seattle-Tacoma International SEA

12 flights a week, 11 mi (18 km) from the city centre

About the airport

When to visit Seattle

Weather by month

Best time to visit: May, June, July, August and September, +17° to +25° by day. In November it is +10° by day and +5° at night, with 17 rainy days.

Jan
+8° +2° 16 days
Feb
+8° +2° 14 days
Mar
+11° +4° 15 days
Apr
+13° +6° 14 days
May
+17° +9° 11 days
Jun
+21° +12° 7 days
Jul
+25° +15° 1 days
Aug
+25° +15° 6 days
Sep
+21° +13° 7 days
Oct
+15° +9° 14 days
Nov
+10° +5° 17 days
Dec
+8° +4° 20 days

Daytime and night temperatures in °C, rainy days. Months with the most comfortable weather are in green. Long-term averages.

Frequently asked questions

How long is the flight from Indianapolis to Seattle?
A nonstop flight takes 5 hours on average, from 4h 50m to 9h 10m depending on the flight.
How far is Seattle from Indianapolis?
1,868 mi (3,006 km) in a straight line between the cities.
Which airlines fly nonstop from Indianapolis to Seattle?
Alaska Airlines (11 a week), American Airlines (1 a week) and Southwest Airlines.
How many flights a day are there from Indianapolis to Seattle?
1 flight today and 12 a week, about 1.7 a day on average.
When are the first and last flights from Indianapolis to Seattle?
The first departure is at 07:00 (AS485), the last at 18:08 (AS500). Local time.
What is the cheapest upcoming date to fly from Indianapolis to Seattle?
14 November 2026 (Saturday): from $297 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Indianapolis to Seattle?
Alaska Airlines: nonstop tickets from $346 on 14 November by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between Indianapolis and Seattle?
Seattle is 3 hours behind Indianapolis. Schedule times on this page are local to each airport.
Which Indianapolis airport do flights to Seattle leave from?
Indianapolis International (12 a week).