$85+ Cheap flights from Seattle to Indianapolis (SEA - IND)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IND
Jul 15 — Jul 221
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Indianapolis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Indianapolis are usually found in January or March, booked 78 days in advance, depart on a Saturday or Wednesday and return on a Friday
Cheap flight deals from Seattle to Indianapolis
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Best
Last-minute
One-way
Cheapest flights from Seattle to IndianapolisExplore the most affordable flight options available from Seattle to Indianapolis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
Explore the most affordable flight options available from Seattle to Indianapolis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:05 am
SEA
- IND
1 stop8h 58m
Delta
Thu 8/275:25 pm
IND
- SEA
1 stop9h 20m
Delta
Deal found 6/12![Delta logo]()
$249
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:25 am
SEA
- IND
1 stop11h 30m
Southwest
Sat 8/85:00 pm
IND
- SEA
1 stop8h 55m
Southwest
Deal found 6/11![Southwest logo]()
$251
This Booking.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:41 pm
SEA
- IND
1 stop21h 25m
Frontier
Mon 7/68:53 pm
IND
- SEA
1 stop15h 24m
Frontier
Deal found 6/12![Frontier logo]()
$252
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:10 am
SEA
- IND
2 stops10h 50m
Southwest
Thu 9/177:10 pm
IND
- SEA
1 stop8h 30m
Southwest
Deal found 6/11![Southwest logo]()
$257
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:35 pm
SEA
- IND
1 stop7h 00m
Southwest
Thu 9/1010:35 am
IND
- SEA
2 stops13h 40m
Southwest
Deal found 6/10![Southwest logo]()
$263
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/169:25 pm
SEA
- IND
1 stop14h 10m
Southwest
Tue 8/254:25 pm
IND
- SEA
2 stops9h 40m
Southwest
Deal found 6/10![Southwest logo]()
$270
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:25 am
SEA
- IND
2 stops10h 25m
Southwest
Fri 9/47:00 pm
IND
- SEA
1 stop8h 20m
Southwest
Deal found 6/11![Southwest logo]()
$271
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/13:05 pm
SEA
- IND
1 stop6h 47m
American Airlines
Tue 7/74:21 pm
IND
- SEA
1 stop8h 24m
American Airlines
Deal found 6/10![American Airlines logo]()
$273
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2411:59 pm
SEA
- IND
1 stop8h 43m
Delta
Mon 7/277:27 pm
IND
- SEA
1 stop7h 31m
Delta
Deal found 6/10![Delta logo]()
$274
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:10 am
SEA
- IND
1 stop9h 40m
Southwest
Tue 8/186:50 am
IND
- SEA
2 stops9h 30m
Southwest
Deal found 6/12![Southwest logo]()
$276
This American Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:00 am
SEA
- IND
1 stop6h 03m
American Airlines
Tue 7/215:36 am
IND
- SEA
1 stop6h 51m
American Airlines
Deal found 6/14![American Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:05 pm
SEA
- IND
1 stop10h 05m
Southwest
Thu 7/169:15 pm
IND
- SEA
1 stop7h 30m
Southwest
Deal found 6/12![Southwest logo]()
$278
Best flights from Seattle to IndianapolisDiscover carefully curated flight deals from Seattle to Indianapolis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
Discover carefully curated flight deals from Seattle to Indianapolis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:05 am
SEA
- IND
1 stop8h 58m
Delta
Tue 8/257:25 am
IND
- SEA
1 stop8h 35m
Delta
Deal found 6/12![Delta logo]()
$249
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:35 am
SEA
- IND
2 stops15h 10m
Southwest
Tue 7/148:05 pm
IND
- SEA
1 stop7h 40m
Southwest
Deal found 6/11![Southwest logo]()
$295
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2411:59 pm
SEA
- IND
1 stop8h 43m
Delta
Mon 7/277:27 pm
IND
- SEA
1 stop7h 31m
Delta
Deal found 6/10![Delta logo]()
$274
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/69:10 am
SEA
- IND
2 stops10h 50m
Southwest
Mon 8/107:00 pm
IND
- SEA
1 stop8h 20m
Southwest
Deal found 6/12![Southwest logo]()
$351
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2511:53 pm
SEA
- IND
1 stop8h 48m
Delta
Mon 11/305:30 pm
IND
- SEA
1 stop9h 48m
Delta
Deal found 6/10![Delta logo]()
$343
This Southwest deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:45 pm
SEA
- IND
1 stop10h 40m
Southwest
Thu 7/308:00 pm
IND
- SEA
1 stop7h 55m
Southwest
Deal found 6/14![Southwest logo]()
$359
This Southwest deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/611:05 pm
SEA
- IND
1 stop10h 05m
Southwest
Wed 7/298:05 pm
IND
- SEA
1 stop7h 40m
Southwest
Deal found 6/13![Southwest logo]()
$359
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/87:15 am
SEA
- IND
1 stop8h 49m
Delta
Tue 8/117:25 am
IND
- SEA
1 stop8h 35m
Delta
Deal found 6/14![Delta logo]()
$384
This Southwest deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:05 pm
SEA
- IND
1 stop10h 15m
Southwest
Thu 8/137:00 pm
IND
- SEA
1 stop8h 20m
Southwest
Deal found 6/13![Southwest logo]()
$361
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:30 am
SEA
- IND
2 stops9h 50m
Southwest
Mon 8/39:15 pm
IND
- SEA
1 stop7h 30m
Southwest
Deal found 6/10![Southwest logo]()
$388
Last-minute flights from Seattle to IndianapolisDiscover last-minute flight deals from Seattle to Indianapolis. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Indianapolis. Data last updated June 15, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/269:45 am
SEA
- IND
1 stop9h 10m
Delta
Mon 7/65:25 pm
IND
- SEA
1 stop9h 41m
Delta
Deal found 6/12![Delta logo]()
$284
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/13:05 pm
SEA
- IND
1 stop6h 47m
American Airlines
Tue 7/74:21 pm
IND
- SEA
1 stop8h 24m
American Airlines
Deal found 6/10![American Airlines logo]()
$273
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/12:00 pm
SEA
- IND
1 stop7h 55m
Southwest
Thu 7/99:15 pm
IND
- SEA
1 stop7h 30m
Southwest
Deal found 6/10![Southwest logo]()
$309
This Booking.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:41 pm
SEA
- IND
1 stop21h 25m
Frontier
Mon 7/68:53 pm
IND
- SEA
1 stop15h 24m
Frontier
Deal found 6/12![Frontier logo]()
$252
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:56 am
SEA
- IND
1 stop7h 34m
Delta
Mon 7/65:25 pm
IND
- SEA
1 stop9h 41m
Delta
Deal found 6/12![Delta logo]()
$249
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/97:35 am
SEA
- IND
2 stops15h 10m
Southwest
Thu 7/169:15 pm
IND
- SEA
1 stop7h 30m
Southwest
Deal found 6/11![Southwest logo]()
$295
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:30 pm
SEA
- IND
1 stop11h 30m
Southwest
Mon 7/139:15 pm
IND
- SEA
1 stop7h 30m
Southwest
Deal found 6/10![Southwest logo]()
$289
This American Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:00 am
SEA
- IND
1 stop6h 03m
American Airlines
Tue 7/215:36 am
IND
- SEA
1 stop6h 51m
American Airlines
Deal found 6/14![American Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:05 pm
SEA
- IND
1 stop10h 05m
Southwest
Thu 7/169:15 pm
IND
- SEA
1 stop7h 30m
Southwest
Deal found 6/12![Southwest logo]()
$278
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2411:59 pm
SEA
- IND
1 stop8h 43m
Delta
Mon 7/277:27 pm
IND
- SEA
1 stop7h 31m
Delta
Deal found 6/10![Delta logo]()
$274
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2911:56 pm
SEA
- IND
1 stop8h 41m
American Airlines
Tue 8/44:21 pm
IND
- SEA
1 stop8h 28m
American Airlines
Deal found 6/11![American Airlines logo]()
$283
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3010:45 pm
SEA
- IND
1 stop10h 35m
Southwest
Mon 8/39:15 pm
IND
- SEA
1 stop7h 30m
Southwest
Deal found 6/10![Southwest logo]()
$304
One-way flights from Seattle to IndianapolisSearch for one-way flight options from Seattle to Indianapolis. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
Search for one-way flight options from Seattle to Indianapolis. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:25 pm
SEA
- IND
1 stop8h 16m
American Airlines
Deal found 6/11![American Airlines logo]()
$85
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:00 am
SEA
- IND
1 stop6h 15m
Delta
Deal found 6/11![Delta logo]()
$89
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/71:30 pm
SEA
- IND
1 stop6h 27m
Delta
Deal found 6/10![Delta logo]()
$100
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:25 am
SEA
- IND
2 stops10h 25m
Southwest
Deal found 6/10![Southwest logo]()
$105
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:00 am
SEA
- IND
1 stop6h 15m
Delta
Deal found 6/11![Delta logo]()
$115
This Super.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am
SEA
- IND
1 stop9h 21m
Frontier
Deal found 6/12![Frontier logo]()
$119
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:15 am
SEA
- IND
1 stop7h 34m
Delta
Deal found 6/14![Delta logo]()
$125
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:00 am
SEA
- IND
1 stop13h 40m
Southwest
Deal found 6/11![Southwest logo]()
$130
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:55 pm
SEA
- IND
2 stops8h 40m
Southwest
Deal found 6/11![Southwest logo]()
$131
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:00 pm
SEA
- IND
1 stop10h 25m
Southwest
Deal found 6/10![Southwest logo]()
$132
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:45 am
SEA
- IND
2 stops9h 15m
Southwest
Deal found 6/11![Southwest logo]()
$135
This American Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2211:56 pm
SEA
- IND
1 stop6h 05m
American Airlines
Deal found 6/13![American Airlines logo]()
$139
Find flight deals from Seattle to Indianapolis
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Indianapolis (IND). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $249 (Delta) |
One-way from | $85 (American Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $447 |
Good round-trip deal | $482 or less |
Good one-way deal | $288 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Indianapolis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 15, 2026.
Use the filters below to find and compare flights from Seattle to Indianapolis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleIndianapolis
SEA - IND
SEAIND
Seattle/Tacoma Intl
Tue 8/18
11:05 am-11:03 pm
1 stop8h 58m
Indianapolis
Tue 8/25
7:25 am-1:00 pm
1 stop8h 35m
$249
Quickest round-trip
SeattleIndianapolis
SEA - IND
SEAIND
Seattle/Tacoma Intl
Fri 7/24
11:59 pm-11:42 am
1 stop8h 43m
Indianapolis
Mon 7/27
7:27 pm-11:58 pm
1 stop7h 31m
$274
SeattleIndianapolis
SEA - IND
SEAIND
Seattle/Tacoma Intl
Fri 7/10
7:35 am-1:45 am
2 stops15h 10m
Indianapolis
Tue 7/14
8:05 pm-12:45 am
1 stop7h 40m
$295
SeattleIndianapolis
SEA - IND
SEAIND
Seattle/Tacoma Intl
Wed 11/25
11:53 pm-11:41 am
1 stop8h 48m
Indianapolis
Mon 11/30
5:30 pm-12:18 am
1 stop9h 48m
$343
SeattleIndianapolis
SEA - IND
SEAIND
Seattle/Tacoma Intl
Thu 8/6
9:10 am-11:00 pm
2 stops10h 50m
Indianapolis
Mon 8/10
7:00 pm-12:20 am
1 stop8h 20m
$351
SeattleIndianapolis
SEA - IND
SEAIND
Seattle/Tacoma Intl
Mon 7/27
10:45 pm-12:25 pm
1 stop10h 40m
Indianapolis
Thu 7/30
8:00 pm-12:55 am
1 stop7h 55m
$359
SeattleIndianapolis
SEA - IND
SEAIND
Seattle/Tacoma Intl
Mon 7/6
11:05 pm-12:10 pm
1 stop10h 05m
Indianapolis
Wed 7/29
8:05 pm-12:45 am
1 stop7h 40m
$359
SeattleIndianapolis
SEA - IND
SEAIND
Seattle/Tacoma Intl
Mon 8/10
11:05 pm-12:20 pm
1 stop10h 15m
Indianapolis
Thu 8/13
7:00 pm-12:20 am
1 stop8h 20m
$361
SeattleIndianapolis
SEA - IND
SEAIND
Seattle/Tacoma Intl
Sat 8/8
7:15 am-7:04 pm
1 stop8h 49m
Indianapolis
Tue 8/11
7:25 am-1:00 pm
1 stop8h 35m
$384
SeattleIndianapolis
SEA - IND
SEAIND
Seattle/Tacoma Intl
Thu 7/30
6:30 am-7:20 pm
2 stops9h 50m
Indianapolis
Mon 8/3
9:15 pm-1:45 am
1 stop7h 30m
$388
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Seattle to Indianapolis
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Indianapolis in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Seattle-Indianapolis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Indianapolis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Indianapolis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Indianapolis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Indianapolis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Indianapolis
Have a flexible travel schedule? Discover the best time to fly to Indianapolis from Seattle with our price prediction graph.
SEA-IND
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Indianapolis
Prices
Delays
How far ahead should I book a flight from Seattle to Indianapolis?
To ensure you get the cheapest price possible for a flight from Seattle to Indianapolis, you should look to book at least 77 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.
What is the cheapest month to book a flight from Seattle to Indianapolis?
Currently, January is the cheapest month in which you can book a flight from Seattle to Indianapolis (average of $298). Flying from Seattle to Indianapolis in December is currently the most expensive (average of $517). 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.
What is the cheapest time of day to fly from SEA to IND?
Find hourly flight availability from Seattle to Indianapolis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 15, 2026.
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 at noon could potentially save you up to 38% on airfare.
How often are flights from Seattle to Indianapolis delayed?
About 20% of weekly flights between Seattle and Indianapolis have experienced delays in the past year, with the average delay time being 115 minutes.
What is the most punctual flight time for Seattle to Indianapolis flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday 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.
Which airline has the best punctuality record on Seattle to Indianapolis flights?
Over the last year, Alaska Airlines have had the lowest number of delays on this route, with just 21% of flights being delayed.
The best insider tips for Seattle to Indianapolis flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Indianapolis trip
Our travel experts
Reviews of airlines servicing Indianapolis
Get insights into the airlines that provide service to Indianapolis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Indianapolis. Reviews last updated June 15, 2026.
Read through reviews of airlines operating flights from Seattle to Indianapolis, such as Alaska Airlines,Southwest, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.0
Overall
7.9
Crew
8.5
Comfort
7.8
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Entertainment
7.0
Overall
7.9
Crew
8.5
Comfort
7.8
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Entertainment
7.0
Overall
7.9
Crew
8.5
Comfort
7.8
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Entertainment
7.0
Overall
7.9
Crew
8.5
Comfort
7.8
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Entertainment
7.0
Overall
7.9
Crew
8.5
Comfort
7.8
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Entertainment
7.0
Overall
7.9
Crew
8.5
Comfort
7.8
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from Seattle to Indianapolis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Indianapolis?
Book flights to Indianapolis if you plan to visit one of these locationsTerre Haute
Muncie
Greenwood
Fishers
Kokomo
Plainfield
Mooresville
Anderson
Franklin
Carmel
Noblesville
Bloomington
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Search flights from Seattle to Indianapolis by cabin class
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Other flights to Indianapolis
Explore flights to Indianapolis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 15, 2026.
Seattle and Indianapolis flights
Browse other Seattle and Indianapolis flight options. Last updated on June 15, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on June 15, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Seattle to Indianapolis
Discover the top 6 airlines that operate flights from Seattle to Indianapolis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$119 | Average$273 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$147 | Average$338 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$207 | Average$392 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$208 | Average$335 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$227 | Average$455 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$238 | Average$369 | FlexibilityNo cancel fee | On-time69% |