$125+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SEA
Jul 23 — Jul 301
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
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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 June 23, 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 June 23, 2026.
This Delta deal was found by Cheapflights users on 6/23. 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 8/183:16 pm
SBN
- SEA
1 stop9h 49m
Delta
Tue 8/255:30 am
SEA
- SBN
1 stop6h 04m
Delta
Deal found 6/23![Delta logo]()
$261
This Southwest deal was found by Cheapflights users on 6/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:00 pm
IND
- SEA
1 stop9h 35m
Southwest
Sat 8/155:00 am
SEA
- IND
1 stop13h 40m
Southwest
Deal found 6/18![Southwest logo]()
$276
This United Airlines deal was found by Cheapflights users on 6/23. 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 10/105:50 am
SBN
- SEA
1 stop8h 37m
United Airlines
Sat 10/1711:13 pm
SEA
- SBN
1 stop8h 44m
United Airlines
Deal found 6/23![United Airlines logo]()
$280
This CheapOair deal was found by Cheapflights users on 6/23. 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.
Sun 7/129:03 pm
IND
- SEA
1 stop15h 14m
Frontier
Thu 7/167:06 pm
SEA
- IND
1 stop22h 02m
Frontier
Deal found 6/23![Frontier logo]()
$281
This Southwest deal was found by Cheapflights users on 6/21. 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 8/131:30 pm
IND
- SEA
2 stops10h 45m
Southwest
Sat 8/155:00 am
SEA
- IND
1 stop13h 40m
Southwest
Deal found 6/21![Southwest logo]()
$282
This Delta deal was found by Cheapflights users on 6/18. 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.
Tue 7/217:25 am
IND
- SEA
1 stop9h 20m
Delta
Thu 7/232:30 pm
SEA
- IND
1 stop6h 37m
Delta
Deal found 6/18![Delta logo]()
$284
This Delta deal was found by Cheapflights users on 6/21. 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 8/193:04 pm
AZO
- SEA
1 stop10h 01m
Delta
Tue 8/255:30 am
SEA
- AZO
1 stop5h 54m
Delta
Deal found 6/21![Delta logo]()
$284
This Delta deal was found by Cheapflights users on 6/22. 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 9/235:59 pm
FWA
- SEA
1 stop9h 00m
Delta
Wed 10/76:00 am
SEA
- FWA
1 stop8h 27m
Delta
Deal found 6/22![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 6/18. 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.
Tue 9/88:00 am
IND
- SEA
1 stop9h 50m
Delta
Mon 9/147:15 am
SEA
- IND
1 stop7h 31m
Delta
Deal found 6/18![Delta logo]()
$285
This Southwest deal was found by Cheapflights users on 6/22. 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 8/131:30 pm
IND
- SEA
2 stops10h 45m
Southwest
Tue 8/189:25 am
SEA
- IND
2 stops10h 35m
Southwest
Deal found 6/22![Southwest logo]()
$286
This Delta deal was found by Cheapflights users on 6/23. 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 8/173:16 pm
SBN
- SEA
1 stop9h 49m
Delta
Tue 8/255:30 am
SEA
- SBN
1 stop6h 04m
Delta
Deal found 6/23![Delta logo]()
$286
This Southwest deal was found by Cheapflights users on 6/19. 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 8/254:25 pm
IND
- SEA
2 stops9h 40m
Southwest
Tue 9/19:25 am
SEA
- IND
2 stops10h 35m
Southwest
Deal found 6/19![Southwest logo]()
$287
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 June 23, 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 June 23, 2026.
This Delta deal was found by Cheapflights users on 6/19. 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.
Wed 9/163:08 pm
SBN
- SEA
1 stop9h 54m
Delta
Wed 9/3011:59 am
SEA
- SBN
1 stop7h 36m
Delta
Deal found 6/19![Delta logo]()
$261
This United Airlines deal was found by Cheapflights users on 6/20. 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 8/243:12 pm
SBN
- SEA
1 stop6h 55m
United Airlines
Tue 9/11:57 pm
SEA
- SBN
1 stop6h 36m
United Airlines
Deal found 6/20![United Airlines logo]()
$305
This Southwest deal was found by Cheapflights users on 6/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/319:15 pm
IND
- SEA
1 stop7h 30m
Southwest
Sun 8/99:25 pm
SEA
- IND
1 stop14h 10m
Southwest
Deal found 6/18![Southwest logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 6/20. 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 8/227:02 am
IND
- SEA
Nonstop4h 42m
Alaska Airlines
Sat 8/299:59 pm
SEA
- IND
Nonstop4h 14m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 6/23. 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 7/305:45 am
AZO
- SEA
1 stop6h 42m
American Airlines
Wed 8/125:50 am
SEA
- AZO
1 stop6h 45m
American Airlines
Deal found 6/23![American Airlines logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 9/41:56 pm
FWA
- SEA
1 stop23h 43m
Multiple Airlines
Sun 9/139:16 pm
SEA
- FWA
1 stop13h 30m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$431
This Delta deal was found by Cheapflights users on 6/18. 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.
Tue 9/88:00 am
IND
- SEA
1 stop9h 50m
Delta
Mon 9/147:15 am
SEA
- IND
1 stop7h 31m
Delta
Deal found 6/18![Delta logo]()
$285
This Southwest deal was found by Cheapflights users on 6/21. 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 7/317:15 pm
IND
- SEA
2 stops9h 30m
Southwest
Tue 8/47:40 am
SEA
- IND
2 stops10h 15m
Southwest
Deal found 6/21![Southwest logo]()
$335
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Sat 8/222:35 pm
ORD
- SEA
1 stop8h 08m
United Airlines
Sun 8/237:00 am
SEA
- ORD
Nonstop4h 15m
United Airlines
Deal found 6/18![United Airlines logo]()
$345
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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 8/116:00 am
ORD
- SEA
Nonstop4h 38m
Alaska Airlines
Sun 8/238:48 am
SEA
- ORD
1 stop8h 33m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$345
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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.
Thu 8/68:20 pm
ORD
- SEA
Nonstop4h 44m
Alaska Airlines
Sat 8/812:17 am
SEA
- ORD
Nonstop4h 03m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 6/23. 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.
Thu 8/135:56 pm
ORD
- SEA
Nonstop4h 39m
Delta
Sun 8/237:15 am
SEA
- ORD
Nonstop4h 08m
Delta
Deal found 6/23![Delta logo]()
$348
This United Airlines deal was found by Cheapflights users on 6/20. 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 8/2912:40 pm
IND
- SEA
2 stops11h 03m
United Airlines
Mon 9/711:00 pm
SEA
- IND
1 stop8h 57m
United Airlines
Deal found 6/20![United Airlines logo]()
$353
This Southwest deal was found by Cheapflights users on 6/23. 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 8/64:55 pm
MDW
- SEA
1 stop9h 45m
Southwest
Fri 8/1411:25 am
SEA
- MDW
1 stop8h 50m
Southwest
Deal found 6/23![Southwest logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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.
Thu 8/136:42 pm
ORD
- SEA
Nonstop4h 52m
Alaska Airlines
Sun 8/165:48 pm
SEA
- ORD
Nonstop4h 11m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 6/20. 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.
Thu 10/12:55 pm
AZO
- SEA
2 stops12h 00m
Delta
Sun 10/411:59 pm
SEA
- AZO
2 stops8h 08m
Delta
Deal found 6/20![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 6/19. 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 9/17:05 am
SDF
- SEA
2 stops9h 15m
Southwest
Tue 9/811:05 pm
SEA
- SDF
1 stop9h 15m
Southwest
Deal found 6/19![Southwest logo]()
$360
This United Airlines deal was found by Cheapflights users on 6/20. 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.
Tue 10/271:16 pm
SBN
- SEA
1 stop8h 32m
United Airlines
Sat 10/317:00 am
SEA
- SBN
1 stop8h 01m
United Airlines
Deal found 6/20![United Airlines logo]()
$361
This American Airlines deal was found by Cheapflights users on 6/19. 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.
Sat 8/15:43 pm
FWA
- SEA
1 stop8h 16m
American Airlines
Thu 8/61:35 pm
SEA
- FWA
1 stop7h 37m
American Airlines
Deal found 6/19![American Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 6/18. 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.
Wed 8/1912:54 pm
ORD
- SEA
Nonstop4h 46m
Delta
Sun 8/237:16 am
SEA
- ORD
1 stop8h 24m
Delta
Deal found 6/18![Delta logo]()
$350
This Alaska Airlines deal was found by Cheapflights users on 6/21. 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 7/186:00 am
ORD
- SEA
Nonstop4h 38m
Alaska Airlines
Thu 7/235:48 pm
SEA
- ORD
Nonstop4h 11m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 6/23. 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 11/38:45 am
SDF
- SEA
2 stops10h 15m
Southwest
Mon 11/912:15 am
SEA
- SDF
2 stops9h 00m
Southwest
Deal found 6/23![Southwest logo]()
$366
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Wed 9/232:45 pm
SBN
- SEA
1 stop8h 42m
United Airlines
Sat 9/267:25 pm
SEA
- SBN
2 stops12h 32m
United Airlines
Deal found 6/23![United Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 6/23. 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 11/44:00 pm
SDF
- SEA
1 stop7h 27m
Delta
Tue 11/106:05 am
SEA
- SDF
1 stop9h 07m
Delta
Deal found 6/23![Delta logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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 8/157:17 pm
ORD
- SEA
Nonstop4h 41m
Alaska Airlines
Mon 8/179:28 pm
SEA
- ORD
1 stop5h 32m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$360
This American Airlines deal was found by Cheapflights users on 6/22. 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 8/275:01 pm
EVV
- SEA
1 stop7h 20m
American Airlines
Tue 9/17:40 am
SEA
- EVV
1 stop6h 51m
American Airlines
Deal found 6/22![American Airlines logo]()
$486
This Southwest deal was found by Cheapflights users on 6/20. 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 8/274:00 pm
MDW
- SEA
1 stop10h 20m
Southwest
Sun 8/3011:00 pm
SEA
- MDW
1 stop10h 00m
Southwest
Deal found 6/20![Southwest logo]()
$368
This Delta deal was found by Cheapflights users on 6/18. 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.
Tue 6/306:55 am
ORD
- SEA
Nonstop4h 36m
Delta
Fri 7/37:20 am
SEA
- ORD
Nonstop4h 11m
Delta
Deal found 6/18![Delta logo]()
$355
This United Airlines deal was found by Cheapflights users on 6/20. 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.
Sun 8/306:00 am
IND
- SEA
1 stop6h 35m
United Airlines
Tue 9/84:45 pm
SEA
- IND
2 stops15h 12m
United Airlines
Deal found 6/20![United Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 6/21. 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 8/154:50 pm
SDF
- SEA
1 stop9h 05m
Southwest
Mon 8/175:00 am
SEA
- SDF
2 stops10h 30m
Southwest
Deal found 6/21![Southwest logo]()
$373
Last-minute flights from Indiana to SeattleDiscover last-minute flight deals from Indiana to Seattle. Data last updated June 23, 2026 and is based on user searches.
Discover last-minute flight deals from Indiana to Seattle. Data last updated June 23, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/23. 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 6/304:40 pm
SDF
- SEA
1 stop10h 19m
Delta
Sat 7/49:45 am
SEA
- SDF
1 stop8h 30m
Delta
Deal found 6/23![Delta logo]()
$311
This CheapOair deal was found by Cheapflights users on 6/23. 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 7/18:51 pm
IND
- SEA
1 stop15h 57m
Frontier
Thu 7/912:35 pm
SEA
- IND
1 stop28h 33m
Frontier
Deal found 6/23![Frontier logo]()
$309
This Super.com deal was found by Cheapflights users on 6/21. 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 7/18:51 pm
IND
- SEA
1 stop15h 57m
Frontier
Tue 7/147:06 pm
SEA
- IND
1 stop22h 02m
Frontier
Deal found 6/21![Frontier logo]()
$310
This Trip.com deal was found by Cheapflights users on 6/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:53 pm
IND
- SEA
1 stop15h 24m
Frontier
Sun 7/1212:35 pm
SEA
- IND
1 stop28h 33m
Frontier
Deal found 6/19![Frontier logo]()
$300
This CheapOair deal was found by Cheapflights users on 6/23. 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.
Sun 7/129:03 pm
IND
- SEA
1 stop15h 14m
Frontier
Thu 7/167:06 pm
SEA
- IND
1 stop22h 02m
Frontier
Deal found 6/23![Frontier logo]()
$281
This Delta deal was found by Cheapflights users on 6/23. 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 7/134:00 pm
IND
- SEA
1 stop9h 33m
Delta
Tue 7/141:35 pm
SEA
- IND
1 stop8h 06m
Delta
Deal found 6/23![Delta logo]()
$304
This American Airlines deal was found by Cheapflights users on 6/21. 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 7/145:36 am
IND
- SEA
1 stop6h 51m
American Airlines
Tue 7/2111:56 pm
SEA
- IND
1 stop8h 44m
American Airlines
Deal found 6/21![American Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 6/18. 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.
Tue 7/217:25 am
IND
- SEA
1 stop9h 20m
Delta
Thu 7/232:30 pm
SEA
- IND
1 stop6h 37m
Delta
Deal found 6/18![Delta logo]()
$284
This Southwest deal was found by Cheapflights users on 6/21. 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 7/218:05 pm
IND
- SEA
1 stop7h 40m
Southwest
Fri 7/247:30 pm
SEA
- IND
1 stop11h 30m
Southwest
Deal found 6/21![Southwest logo]()
$294
This Delta deal was found by Cheapflights users on 6/18. 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.
Tue 7/217:25 am
IND
- SEA
1 stop9h 20m
Delta
Wed 7/227:15 am
SEA
- IND
1 stop7h 32m
Delta
Deal found 6/18![Delta logo]()
$298
This Southwest deal was found by Cheapflights users on 6/19. 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.
Wed 7/297:45 pm
IND
- SEA
1 stop7h 50m
Southwest
Wed 8/59:25 am
SEA
- IND
2 stops10h 35m
Southwest
Deal found 6/19![Southwest logo]()
$289
This Southwest deal was found by Cheapflights users on 6/19. 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 7/308:00 pm
IND
- SEA
1 stop7h 55m
Southwest
Wed 8/56:25 am
SEA
- IND
1 stop13h 35m
Southwest
Deal found 6/19![Southwest logo]()
$303
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 June 23, 2026.
Search for one-way flight options from Indiana to Seattle. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
This Delta deal was found by Cheapflights users on 6/23. 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.
Sun 8/167:35 pm
IND
- SEA
1 stop7h 19m
Delta
Deal found 6/23![Delta logo]()
$125
This Trip.com deal was found by Cheapflights users on 6/23. 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.
Wed 7/88:53 pm
IND
- SEA
1 stop15h 24m
Frontier
Deal found 6/23![Frontier logo]()
$129
This Super.com deal was found by Cheapflights users on 6/22. 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 8/128:34 pm
CVG
- SEA
1 stop15h 30m
Frontier
Deal found 6/22![Frontier logo]()
$129
This Super.com deal was found by Cheapflights users on 6/20. 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.
Sat 7/188:26 pm
CVG
- SEA
1 stop15h 51m
Frontier
Deal found 6/20![Frontier logo]()
$130
This CheapOair deal was found by Cheapflights users on 6/21. 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 7/68:53 pm
IND
- SEA
1 stop15h 24m
Frontier
Deal found 6/21![Frontier logo]()
$131
This Booking.com deal was found by Cheapflights users on 6/22. 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.
Tue 8/118:34 pm
CVG
- SEA
1 stop15h 30m
Frontier
Deal found 6/22![Frontier logo]()
$131
This Super.com deal was found by Cheapflights users on 6/18. 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 7/109:30 pm
CVG
- SEA
1 stop16h 09m
Frontier
Deal found 6/18![Frontier logo]()
$133
This Super.com deal was found by Cheapflights users on 6/23. 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.
Mon 7/278:36 pm
CVG
- SEA
1 stop17h 44m
Frontier
Deal found 6/23![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/178:53 pm
IND
- SEA
1 stop15h 24m
Frontier
Deal found 6/23![Frontier logo]()
$135
This Mytrip deal was found by Cheapflights users on 6/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:34 pm
CVG
- SEA
1 stop15h 30m
Frontier
Deal found 6/23![Frontier logo]()
$135
This CheapOair deal was found by Cheapflights users on 6/23. 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.
Tue 8/48:36 pm
CVG
- SEA
1 stop15h 28m
Frontier
Deal found 6/23![Frontier logo]()
$136
This Trip.com deal was found by Cheapflights users on 6/20. 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.
Sun 7/269:30 pm
CVG
- SEA
1 stop16h 09m
Frontier
Deal found 6/20![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 June 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $261 (Delta) |
One-way from | $125 (Delta) |
Popular in | July |
Cheapest in | January |
Average price | $423 |
Good round-trip deal | $456 or less |
Good one-way deal | $258 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 2,558,603 searches. Data last updated June 23, 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
South BendSeattle
SBN - SEA
SBNSEA
South Bend/Michiana
Wed 9/16
3:08 pm-10:02 pm
1 stop9h 54m
Seattle/Tacoma Intl
Wed 9/30
11:59 am-10:35 pm
1 stop7h 36m
$261
IndianapolisSeattle
IND - SEA
INDSEA
Indianapolis
Tue 9/8
8:00 am-2:50 pm
1 stop9h 50m
Seattle/Tacoma Intl
Mon 9/14
7:15 am-5:46 pm
1 stop7h 31m
$285
South BendSeattle
SBN - SEA
SBNSEA
South Bend/Michiana
Mon 8/24
3:12 pm-7:07 pm
1 stop6h 55m
Seattle/Tacoma Intl
Tue 9/1
1:57 pm-11:33 pm
1 stop6h 36m
$305
IndianapolisSeattle
IND - SEA
INDSEA
Indianapolis
Fri 7/31
9:15 pm-1:45 am
1 stop7h 30m
Seattle/Tacoma Intl
Sun 8/9
9:25 pm-2:35 pm
1 stop14h 10m
$324
IndianapolisSeattle
IND - SEA
INDSEA
Indianapolis
Fri 7/31
7:15 pm-1:45 am
2 stops9h 30m
Seattle/Tacoma Intl
Tue 8/4
7:40 am-8:55 pm
2 stops10h 15m
$335
IndianapolisSeattle
IND - SEA
INDSEA
Indianapolis
Sat 8/22
7:02 am-8:44 am
Nonstop4h 42m
Seattle/Tacoma Intl
Sat 8/29
9:59 pm-5:13 am
Nonstop4h 14m
$337
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Sat 8/22
2:35 pm-8:43 pm
1 stop8h 08m
Seattle/Tacoma Intl
Sun 8/23
7:00 am-1:15 pm
Nonstop4h 15m
$345
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Tue 8/11
6:00 am-8:38 am
Nonstop4h 38m
Seattle/Tacoma Intl
Sun 8/23
8:48 am-7:21 pm
1 stop8h 33m
$345
Quickest round-trip
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Thu 8/6
8:20 pm-11:04 pm
Nonstop4h 44m
Seattle/Tacoma Intl
Sat 8/8
12:17 am-6:20 am
Nonstop4h 03m
$348
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Thu 8/13
5:56 pm-8:35 pm
Nonstop4h 39m
Seattle/Tacoma Intl
Sun 8/23
7:15 am-1:23 pm
Nonstop4h 08m
$348
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.
SBN-SEA
IND-SEA
AZO-SEA
FWA-SEA
ORD-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
SBN-SEA
IND-SEA
AZO-SEA
FWA-SEA
What is the cheapest month to book a flight from Indiana to Seattle?
Currently, March is the cheapest month in which you can book a flight from Indiana to Seattle (average of $96). Flying from Indiana to Seattle in November is currently the most expensive (average of $176). 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 June 23, 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?
How far ahead should I book a flight from Indiana to Seattle?
Booking 38 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
Tacoma
Lacey
Leavenworth
Olympia
Ocean Shores
Renton
Edmonds
Snoqualmie
Tumwater
Tukwila
Kent
Lynnwood
Ellensburg
Fife
Marysville
Lakewood
Issaquah
Shoreline
Centralia
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Alternative routes for Indiana to Seattle
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Complete your trip
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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 June 23, 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 June 23, 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 2,558,603 searches. Data last updated June 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$238 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$119 | Average$399 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$158 | Average$347 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$159 | Average$444 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$188 | Average$350 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$237 | Average$504 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$237 | Average$405 | FlexibilityNo cancel fee | On-time69% |