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Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $224 (Southwest) |
One-way from | $90 (American Airlines) |
Popular in | December |
Cheapest in | February |
Average price | $498 |
Good round-trip deal | $379 or less |
Good one-way deal | $199 or less |
Fly from
Fly to
Route
Depart
Return
Price
SeattleIndianapolis
SEA - IND
SEAIND
Seattle/Tacoma Intl
Mon 1/26
6:05 am-5:05 pm
1 stop8h 00m
Indianapolis
Wed 1/28
4:25 pm-10:30 pm
2 stops9h 05m
SeattleIndianapolis
SEA - IND
SEAIND
Seattle/Tacoma Intl
Sat 3/14
6:00 am-3:55 pm
1 stop6h 55m
Indianapolis
Tue 3/17
12:15 pm-6:26 pm
1 stop9h 11m
SeattleIndianapolis
SEA - IND
SEAIND
Seattle/Tacoma Intl
Mon 3/23
11:12 pm-9:42 am
1 stop7h 30m
Indianapolis
Thu 3/26
7:51 pm-11:53 pm
1 stop7h 02m
SeattleIndianapolis
SEA - IND
SEAIND
Seattle/Tacoma Intl
Wed 3/25
11:47 am-11:40 pm
1 stop8h 53m
Indianapolis
Sun 3/29
3:25 pm-9:50 pm
1 stop9h 25m
SeattleIndianapolis
SEA - IND
SEAIND
Seattle/Tacoma Intl
Thu 2/19
11:45 am-6:56 pm
Nonstop4h 11m
Indianapolis
Sat 2/21
7:57 pm-9:55 pm
Nonstop4h 58m
SeattleIndianapolis
SEA - IND
SEAIND
Seattle/Tacoma Intl
Mon 1/12
6:45 am-10:05 pm
1 stop12h 20m
Indianapolis
Wed 1/14
4:25 pm-10:30 pm
2 stops9h 05m
SeattleIndianapolis
SEA - IND
SEAIND
Seattle/Tacoma Intl
Thu 1/22
11:55 am-7:05 pm
Nonstop4h 10m
Indianapolis
Sun 1/25
7:00 am-9:02 am
Nonstop5h 02m
SeattleIndianapolis
SEA - IND
SEAIND
Seattle/Tacoma Intl
Sat 1/24
5:00 am-5:03 pm
2 stops9h 03m
Indianapolis
Mon 1/26
7:15 am-11:32 am
1 stop7h 17m
SeattleIndianapolis
SEA - IND
SEAIND
Seattle/Tacoma Intl
Thu 1/8
5:00 am-4:37 pm
2 stops8h 37m
Indianapolis
Mon 1/12
7:15 am-11:32 am
1 stop7h 17m
SeattleIndianapolis
SEA - IND
SEAIND
Seattle/Tacoma Intl
Sun 1/11
11:05 am-12:05 am
1 stop10h 00m
Indianapolis
Wed 1/14
5:35 pm-10:35 pm
1 stop8h 00m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
To ensure you get the cheapest price possible for a flight from Seattle to Indianapolis, you should look to book at least 89 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, February is the cheapest month in which you can book a flight from Seattle to Indianapolis (average of $118). Flying from Seattle to Indianapolis in June is currently the most expensive (average of $224). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
One of the essential ways to save on airfare from Seattle to Indianapolis is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 41% on airfare.
Travelers seeking maximum savings on their Seattle to Indianapolis flight should consider departing on Tuesday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
About 20% of weekly flights between Seattle and Indianapolis have experienced delays in the past year, with the average delay time being 111 minutes.
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Alaska Airlines have had the lowest number of delays on this route, with just 20% of flights being delayed.
Phoenix (PHX) – chosen by Cheapflights users on 50% of 1-stop itineraries from Seattle to Indianapolis on Cheapflights.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $251.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 6h 03m.
Flights via Phoenix (PHX) offer the fastest connection on this route, with an average layover time of 0h 53m.
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Anonymous,Sep 2025
SEA - MKE
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Anonymous,Sep 2025
SEA - MKE
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Anonymous,Sep 2025
SEA - MKE
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Anonymous,Sep 2025
SEA - MKE
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Anonymous,Sep 2025
SEA - MKE
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Anonymous,Sep 2025
SEA - MKE
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$190 | Average$297 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$208 | Average$337 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$216 | Average$369 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$230 | Average$363 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$237 | Average$414 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$247 | Average$359 | FlexibilityNo cancel fee | On-time85% |