$110+ Cheap flights from Indiana to Seattle (SEA)
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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SEA
Sep 19 — Sep 261
Round-trip
1 adult, Economy
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Find cheap flights from Indiana to Seattle 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.Cheap flight deals from Indiana to Seattle
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Cheapest flights from Indiana to SeattleExplore the most affordable flight options available from Indiana to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2026.
Explore the most affordable flight options available from Indiana to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:12 pm -
1 stop25h 56m
Thu 10/18:15 pm -
2 stops40h 02m
Deal found 8/15![Frontier logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:12 pm -
1 stop25h 56m
Mon 9/214:27 pm -
1 stop19h 50m
Deal found 8/15![Frontier logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:12 pm -
2 stops31h 28m
Thu 9/244:27 pm -
1 stop19h 50m
Deal found 8/15![Frontier logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:12 pm -
1 stop25h 56m
Thu 10/18:15 pm -
2 stops19h 38m
Deal found 8/15![Frontier logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:12 pm -
1 stop25h 56m
Tue 9/228:15 pm -
2 stops19h 38m
Deal found 8/17![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:12 pm -
2 stops20h 30m
Thu 9/244:27 pm -
1 stop19h 50m
Deal found 8/17![Frontier logo]()
$271
This Delta deal was found by Cheapflights users on 8/16. 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 11/148:11 am -
1 stop9h 45m
Tue 1/1211:45 am -
1 stop6h 05m
Deal found 8/16![Delta logo]()
$271
This CheapOair deal was found by Cheapflights users on 8/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:12 pm -
1 stop25h 56m
Tue 10/277:41 pm -
1 stop15h 16m
Deal found 8/17![Frontier logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:56 pm -
1 stop21h 12m
Wed 9/169:45 pm -
2 stops42h 08m
Deal found 8/16![Frontier logo]()
$275
This CheapOair deal was found by Cheapflights users on 8/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:49 pm -
1 stop15h 30m
Tue 9/82:37 pm -
1 stop21h 40m
Deal found 8/15![Frontier logo]()
$276
This CheapOair deal was found by Cheapflights users on 8/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:12 pm -
1 stop25h 56m
Mon 9/284:27 pm -
1 stop19h 50m
Deal found 8/18![Frontier logo]()
$278
This CheapOair deal was found by Cheapflights users on 8/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:49 pm -
1 stop19h 33m
Sat 9/194:27 pm -
1 stop24h 34m
Deal found 8/17![Frontier logo]()
$279
Best flights from Indiana to SeattleDiscover carefully curated flight deals from Indiana to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.
Discover carefully curated flight deals from Indiana to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.
This Delta deal was found by Cheapflights users on 8/16. 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 11/1411:40 am -
1 stop9h 52m
Wed 1/136:00 am -
1 stop8h 11m
Deal found 8/16![Delta logo]()
$294
This Southwest deal was found by Cheapflights users on 8/19. 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 9/179:20 pm -
Nonstop4h 35m
Thu 9/245:15 am -
Nonstop4h 00m
Deal found 8/19![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 8/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:10 am -
1 stop8h 09m
Mon 11/167:00 am -
1 stop6h 23m
Deal found 8/18![United Airlines logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:00 am -
Nonstop4h 44m
Sat 10/2411:56 am -
Nonstop4h 24m
Deal found 8/15![Alaska Airlines logo]()
$317
This American Airlines deal was found by Cheapflights users on 8/15. 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.
Sun 11/225:44 pm -
1 stop9h 57m
Fri 11/273:15 pm -
1 stop6h 32m
Deal found 8/15![American Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 8/19. 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 9/193:13 pm -
1 stop9h 52m
Thu 9/2412:00 pm -
1 stop7h 56m
Deal found 8/19![Delta logo]()
$296
This Southwest deal was found by Cheapflights users on 8/19. 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 9/111:30 pm -
2 stops10h 45m
Tue 9/159:25 am -
2 stops10h 40m
Deal found 8/19![Southwest logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:09 pm -
Nonstop4h 44m
Thu 10/2210:42 am -
Nonstop4h 18m
Deal found 8/14![United Airlines logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:00 am -
Nonstop4h 30m
Mon 10/511:41 pm -
Nonstop3h 59m
Deal found 8/14![Alaska Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 8/14. 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.
Fri 9/255:18 pm -
1 stop9h 32m
Sun 10/46:00 am -
1 stop8h 17m
Deal found 8/14![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:00 am -
Nonstop4h 44m
Tue 10/2711:56 am -
Nonstop4h 24m
Deal found 8/18![Alaska Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:31 pm -
1 stop6h 43m
Mon 9/2111:00 pm -
1 stop8h 46m
Deal found 8/17![United Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 8/14. 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.
Thu 9/1010:35 am -
2 stops13h 40m
Tue 9/2211:05 pm -
2 stops10h 20m
Deal found 8/14![Southwest logo]()
$329
This Delta deal was found by Cheapflights users on 8/16. 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 10/22:12 pm -
1 stop7h 33m
Tue 10/61:30 pm -
1 stop6h 33m
Deal found 8/16![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:31 pm -
1 stop6h 43m
Mon 9/2811:14 pm -
2 stops10h 14m
Deal found 8/17![United Airlines logo]()
$326
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/192:18 pm -
1 stop9h 22m
Sat 9/265:51 pm -
Nonstop4h 08m
Deal found 8/15![Alaska Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 8/17. 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 9/223:30 pm -
Nonstop4h 25m
Tue 10/66:15 am -
2 stops7h 50m
Deal found 8/17![Southwest logo]()
$332
This Delta deal was found by Cheapflights users on 8/14. 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.
Wed 9/237:00 am -
Nonstop4h 35m
Sat 9/2611:45 am -
Nonstop4h 15m
Deal found 8/14![Delta logo]()
$317
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 10/86:00 am -
1 stop6h 31m
Sat 10/106:12 am -
1 stop7h 35m
Deal found 8/18![American Airlines logo]()
$432
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 pm -
Nonstop4h 38m
Mon 9/288:49 pm -
1 stop14h 33m
Deal found 8/18![Alaska Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 8/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:30 am -
1 stop7h 06m
Sun 10/259:00 am -
1 stop8h 05m
Deal found 8/18![United Airlines logo]()
$330
This Southwest deal was found by Cheapflights users on 8/19. 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 9/145:55 am -
1 stop10h 00m
Mon 9/217:25 pm -
1 stop8h 15m
Deal found 8/19![Southwest logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:20 am -
1 stop8h 57m
Tue 10/1311:41 pm -
Nonstop3h 59m
Deal found 8/15![Alaska Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:15 pm -
1 stop7h 30m
Tue 9/227:00 am -
1 stop9h 07m
Deal found 8/17![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 8/19. 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 9/155:30 pm -
2 stops9h 10m
Wed 9/2311:05 pm -
2 stops10h 10m
Deal found 8/19![Southwest logo]()
$340
This Delta deal was found by Cheapflights users on 8/18. 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 1/152:30 pm -
1 stop7h 08m
Mon 1/181:45 pm -
1 stop5h 41m
Deal found 8/18![Delta logo]()
$341
This American Airlines deal was found by Cheapflights users on 8/19. 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 9/24:20 pm -
1 stop7h 32m
Sun 9/65:50 am -
1 stop7h 00m
Deal found 8/19![American Airlines logo]()
$465
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:00 pm -
Nonstop4h 38m
Fri 10/212:16 am -
Nonstop4h 04m
Deal found 8/14![Alaska Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 8/19. 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 9/1511:00 am -
2 stops10h 10m
Tue 9/1511:00 pm -
1 stop10h 25m
Deal found 8/19![Southwest logo]()
$343
This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:04 am -
1 stop8h 15m
Tue 11/310:56 pm -
1 stop7h 52m
Deal found 8/17![United Airlines logo]()
$347
Last-minute flights from Indiana to SeattleDiscover last-minute flight deals from Indiana to Seattle. Data last updated August 20, 2026 and is based on user searches.
Discover last-minute flight deals from Indiana to Seattle. Data last updated August 20, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 8/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:49 pm -
1 stop15h 30m
Tue 9/82:37 pm -
1 stop21h 40m
Deal found 8/15![Frontier logo]()
$276
This CheapOair deal was found by Cheapflights users on 8/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:49 pm -
1 stop15h 30m
Sat 9/194:27 pm -
1 stop19h 50m
Deal found 8/16![Frontier logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:56 pm -
1 stop21h 12m
Wed 9/169:45 pm -
2 stops42h 08m
Deal found 8/16![Frontier logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:12 pm -
1 stop25h 56m
Mon 9/214:27 pm -
1 stop19h 50m
Deal found 8/15![Frontier logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:12 pm -
1 stop25h 56m
Tue 9/228:15 pm -
2 stops19h 38m
Deal found 8/17![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 8/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:12 pm -
1 stop25h 56m
Mon 9/284:27 pm -
1 stop19h 50m
Deal found 8/18![Frontier logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:26 pm -
1 stop28h 42m
Thu 9/1710:53 am -
2 stops16h 45m
Deal found 8/14![Frontier logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:12 pm -
2 stops31h 28m
Thu 9/244:27 pm -
1 stop19h 50m
Deal found 8/15![Frontier logo]()
$267
This CheapOair deal was found by Cheapflights users on 8/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:12 pm -
1 stop25h 56m
Tue 10/277:41 pm -
1 stop15h 16m
Deal found 8/17![Frontier logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:12 pm -
1 stop25h 56m
Thu 10/18:15 pm -
2 stops19h 38m
Deal found 8/15![Frontier logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:12 pm -
2 stops20h 30m
Thu 9/244:27 pm -
1 stop19h 50m
Deal found 8/17![Frontier logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:12 pm -
1 stop25h 56m
Thu 10/18:15 pm -
2 stops40h 02m
Deal found 8/15![Frontier logo]()
$264
One-way flights from Indiana to SeattleSearch for one-way flight options from Indiana to Seattle. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.
Search for one-way flight options from Indiana to Seattle. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:48 pm -
2 stops24h 03m
Deal found 8/15![Frontier logo]()
$110
This Frontier deal was found by Cheapflights users on 8/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:45 am -
1 stop12h 43m
Deal found 8/17![Frontier logo]()
$115
This CheapOair deal was found by Cheapflights users on 8/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:45 am -
1 stop27h 57m
Deal found 8/18![Frontier logo]()
$116
This Trip.com deal was found by Cheapflights users on 8/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:45 am -
1 stop27h 57m
Deal found 8/15![Frontier logo]()
$118
This Super.com deal was found by Cheapflights users on 8/18. 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.
Fri 9/185:16 pm -
1 stop24h 52m
Deal found 8/18![Frontier logo]()
$119
This CheapOair deal was found by Cheapflights users on 8/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:30 pm -
1 stop15h 49m
Deal found 8/15![Frontier logo]()
$120
This CheapOair deal was found by Cheapflights users on 8/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:16 pm -
1 stop24h 52m
Deal found 8/17![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:26 pm -
2 stops15h 25m
Deal found 8/15![Frontier logo]()
$122
This CheapOair deal was found by Cheapflights users on 8/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:32 pm -
1 stop25h 40m
Deal found 8/17![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:48 pm -
2 stops22h 20m
Deal found 8/15![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/174:03 pm -
1 stop26h 09m
Deal found 8/19![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:08 pm -
2 stops29h 37m
Deal found 8/15![Frontier logo]()
$138
Find flight deals from Indiana to Seattle
Keep the following information in mind while searching for Indiana to Seattle flight deals. Data was last updated August 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $264 (Kiwi.com) |
One-way from | $110 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $403 |
Good round-trip deal | $396 or less |
Good one-way deal | $223 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Indiana to Seattle 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 7,457,451 searches. Data last updated August 20, 2026.
Use the filters below to find and compare flights from Indiana to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KalamazooSeattle
AZO Kalamazoo Intl - SEA Seattle/Tacoma Intl
AZOSEA
Kalamazoo Intl
Sat 11/14
11:40 am-6:32 pm
1 stop9h 52m
Seattle/Tacoma Intl
Wed 1/13
6:00 am-5:11 pm
1 stop8h 11m
$294
South BendSeattle
SBN South Bend/Michiana - SEA Seattle/Tacoma Intl
SBNSEA
South Bend/Michiana
Sat 9/19
3:13 pm-10:05 pm
1 stop9h 52m
Seattle/Tacoma Intl
Thu 9/24
12:00 pm-10:56 pm
1 stop7h 56m
$296
ChicagoSeattle
MDW Chicago Midway - SEA Seattle/Tacoma Intl
MDWSEA
Chicago Midway
Thu 9/17
9:20 pm-11:55 pm
Nonstop4h 35m
Seattle/Tacoma Intl
Thu 9/24
5:15 am-11:15 am
Nonstop4h 00m
$297
IndianapolisSeattle
IND Indianapolis - SEA Seattle/Tacoma Intl
INDSEA
Indianapolis
Fri 11/13
7:10 am-12:19 pm
1 stop8h 09m
Seattle/Tacoma Intl
Mon 11/16
7:00 am-4:23 pm
1 stop6h 23m
$307
IndianapolisSeattle
IND Indianapolis - SEA Seattle/Tacoma Intl
INDSEA
Indianapolis
Fri 9/25
5:18 pm-11:50 pm
1 stop9h 32m
Seattle/Tacoma Intl
Sun 10/4
6:00 am-5:17 pm
1 stop8h 17m
$307
IndianapolisSeattle
IND Indianapolis - SEA Seattle/Tacoma Intl
INDSEA
Indianapolis
Fri 10/2
2:12 pm-6:45 pm
1 stop7h 33m
Seattle/Tacoma Intl
Tue 10/6
1:30 pm-11:03 pm
1 stop6h 33m
$307
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Wed 10/14
9:00 am-11:44 am
Nonstop4h 44m
Seattle/Tacoma Intl
Sat 10/24
11:56 am-6:20 pm
Nonstop4h 24m
$317
IndianapolisSeattle
IND Indianapolis - SEA Seattle/Tacoma Intl
INDSEA
Indianapolis
Fri 9/11
1:30 pm-9:15 pm
2 stops10h 45m
Seattle/Tacoma Intl
Tue 9/15
9:25 am-11:05 pm
2 stops10h 40m
$317
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Mon 10/19
8:09 pm-10:53 pm
Nonstop4h 44m
Seattle/Tacoma Intl
Thu 10/22
10:42 am-5:00 pm
Nonstop4h 18m
$317
Quickest round-trip
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Mon 9/28
6:00 am-8:30 am
Nonstop4h 30m
Seattle/Tacoma Intl
Mon 10/5
11:41 pm-5:40 am
Nonstop3h 59m
$317
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Indiana to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Indiana with our price prediction graph.
IND-SEA
MDW-SEA
ORD-SEA
FWA-SEA
SDF-SEA
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 Indiana to Seattle
USIN-SEA
IND-SEA
MDW-SEA
ORD-SEA
FWA-SEA
What is the cheapest month to book a flight from Indiana to Seattle?
Currently, January is the cheapest month in which you can book a flight from Indiana to Seattle (average of $314). Flying from Indiana to Seattle in July is currently the most expensive (average of $515). 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 IN to SEA?
Find hourly flight availability from Indiana to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Indiana to Seattle as you normally would.
How much does it cost to fly round-trip from Indiana to Seattle?
Airfare is below average for this route at the moment.
Indiana to Seattle flights typically cost between $288 and $496 in September.The cheapest round-trip price found within the last 5 days was $264 on Frontier (Sep 25-Oct 1).
How far ahead should I book a flight from Indiana to Seattle?
Booking 41 days in advance of your planned departure date is, on average, the best time to get cheap flights from Indiana to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Related info for your journey
Find useful and relevant information for your journey from Indiana to Seattle. 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 Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Tukwila
Olympia
Edmonds
Snoqualmie
Lynnwood
Tumwater
Centralia
Puyallup
Kent
Marysville
Ellensburg
Ocean Shores
Lakewood
Fife
Poulsbo
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Indiana to Seattle
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Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Indiana to Seattle by cabin class
Find flights from Indiana to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Indiana and Seattle flights
Browse other Indiana and Seattle flight options. Last updated on August 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 20, 2026.
Indiana to Seattle flights
Consider these flights traveling from Indiana to Seattle.
Top 7 airlines flying from Indiana to Seattle
Discover the top 7 airlines that operate flights from Indiana to Seattle. 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 7,457,451 searches. Data last updated August 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$112 | Average$296 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$119 | Average$402 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$147 | Average$267 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$178 | Average$462 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$231 | Average$388 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$237 | Average$536 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$238 | Average$407 | FlexibilityNo cancel fee | On-time69% |