Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Indianapolis to Seattle
The cheapest flights right now
Indianapolis – Seattle
Outbound – Nov 28, 2026
direct
5h 1m Return – Dec 5, 2026
direct
4h 8m $387
3 days ago
Indianapolis – Seattle
Outbound – Nov 28, 2026
direct
5h 1m Return – Dec 5, 2026
direct
4h 8m $497
yesterday
Indianapolis – Seattle
Outbound – Nov 28, 2026
direct
5h 1m Return – Dec 5, 2026
direct
4h 8m $552
3 days ago
Indianapolis – Seattle
Outbound – Nov 28, 2026
direct
4h 57m Return – Dec 5, 2026
direct
4h 8m $551
3 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$328
Average price of a round trip
$337
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
4h45
A flight from Indianapolis to Seattle takes on average 4h45.
Best time
August
According to user searches, the ideal month to go to Seattle is August.
The best flight deals for a week
Indianapolis – Seattle
Outbound – Nov 28, 2026
direct
5h 1m Return – Dec 5, 2026
direct
4h 8m $387
3 days ago
Indianapolis – Seattle
Outbound – Nov 28, 2026
direct
5h 1m Return – Dec 5, 2026
direct
4h 8m $497
yesterday
Indianapolis – Seattle
Outbound – Nov 28, 2026
direct
5h 1m Return – Dec 5, 2026
direct
4h 8m $552
3 days ago
Indianapolis – Seattle
Outbound – Nov 28, 2026
direct
4h 57m Return – Dec 5, 2026
direct
4h 8m $551
3 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Tips for finding a cheap flight from Indianapolis to Seattle
Check out our tips for booking your flight to Seattle (USA) from Indianapolis (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is September, with an average flight ticket price of $276 (calculation over the last two years). The most touristic season corresponds to the months of October, September and November.
For the cheapest flights, it is advisable to buy your ticket at least 37 days before the departure date.
The airline offering the cheapest flight tickets is United Airlines. A ticket from the airline United Airlines to Seattle costs on average $333.
The airlines that offer the most flights are Alaska Airlines and Alaska Airlines.
Price of flight tickets from Indianapolis to Seattle
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $328 to $379
- The average price of a flight ticket is about $337
- Prices are lowest for stays in the month of September
- The month in which booking a ticket is cheaper is: October
info departure city :
Indianapolis, USA
airports :
Indianapolis International Airport (IND)
Eagle Creek Airpark (EYE)
local time :
Indianapolis is a city in the country USA, the time zone is [[timezone]]. In Indianapolis, it is currently {fromLocalTime}, the temperature is on average 10°C, with a minimum of 6°C and a maximum of 14°C.
The city of Indianapolis has 2 airport(s): Indianapolis and Eagle Creek Airpark
destination info :
Seattle, USA
airports :
Kenmore Air Harbor Spb. (LKE)
Seattle-Tacoma International Airport (SEA)
Renton Municipal Airport (RNT)
King County International Airport (BFI)
local time :
Seattle is in the country USA, the time zone is [[timezone]]. In Seattle, it is currently {toLocalTime}, the temperature is on average 14°C, with a minimum of 11°C and a maximum of 15°C.
The city of Seattle (SEA) has 4 airport(s): Kenmore Air Harbor Spb., Seattle-Tacoma, Renton and King County
Useful info about Seattle
What is the least touristic period to go to Seattle?
If you want to visit Seattle during the least touristic period, choose the month of August.
What is the most popular time to travel to Seattle?
In Seattle, the most popular month is October. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Indianapolis to Seattle?
According to our data, it is recommended to book your flight 37 days before your departure. If you book your flight ticket 6 weeks before your departure, you may find a price below average. The cheapest day to book a flight from Indianapolis to Seattle is Saturday.
What are the arrival and destination airports when traveling between Indianapolis and Seattle?
When you leave, you can leave from Indianapolis, and you will arrive at Seattle-Tacoma.
How to reach Indianapolis airport from the city centre?
The airport Indianapolis is located 15 km or Eagle Creek Airpark is located 15 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Are there other means of transportation to go from Indianapolis to Seattle?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Indianapolis and Seattle?
In summer, the average temperature is 18°C in Seattle and 23°C in Indianapolis. The average rainfall in summer is 38 mm in Seattle and 116 mm in Indianapolis. In summer, it is warmer in Indianapolis and it rains less in Seattle. In winter, it is colder in Seattle and it rains more in Seattle.
