$110+ Cheap flights from Indianapolis to Seattle (IND - SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SEA
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Indianapolis 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.Cheapflights Tip: The best prices from Indianapolis to Seattle/Tacoma Intl are usually found in January or February, booked 35 days in advance, depart on a Tuesday or Wednesday and return on a Sunday
Cheap flight deals from Indianapolis to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Indianapolis to SeattleExplore the most affordable flight options available from Indianapolis to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Indianapolis to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/164:30 pm -
1 stop9h 37m
Thu 11/197:00 am -
1 stop6h 23m
Deal found 10/26![United Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/104:03 pm -
1 stop26h 09m
Thu 11/264:37 pm -
1 stop20h 05m
Deal found 10/25![Frontier logo]()
$304
This Delta deal was found by Cheapflights users on 10/29. 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 12/74:22 pm -
1 stop10h 33m
Sun 12/1310:40 pm -
1 stop7h 28m
Deal found 10/29![Delta logo]()
$305
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/274:37 pm -
1 stop25h 45m
Fri 12/44:58 pm -
1 stop19h 48m
Deal found 10/28![Frontier logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/104:03 pm -
2 stops29h 30m
Wed 11/184:27 pm -
1 stop19h 41m
Deal found 10/27![Frontier logo]()
$307
This Southwest deal was found by Cheapflights users on 10/25. 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 12/24:50 pm -
1 stop9h 45m
Sat 12/58:55 am -
2 stops11h 20m
Deal found 10/25![Southwest logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/184:03 pm -
2 stops20h 42m
Wed 12/24:58 pm -
1 stop21h 54m
Deal found 10/29![Frontier logo]()
$310
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/193:58 pm -
1 stop26h 24m
Sun 11/224:37 pm -
1 stop20h 05m
Deal found 10/29![Frontier logo]()
$312
This Delta deal was found by Cheapflights users on 10/29. 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 11/248:09 am -
1 stop9h 21m
Fri 11/279:25 am -
1 stop6h 31m
Deal found 10/29![Delta logo]()
$313
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/248:48 pm -
1 stop18h 34m
Mon 12/281:37 pm -
1 stop22h 58m
Deal found 10/28![Frontier logo]()
$319
This American Airlines deal was found by Cheapflights users on 10/29. 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 11/255:31 am -
1 stop7h 12m
Tue 12/112:38 pm -
1 stop7h 55m
Deal found 10/29![American Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/108:27 pm -
2 stops22h 16m
Wed 12/164:58 pm -
1 stop24h 05m
Deal found 10/27![Frontier logo]()
$321
Best flights from Indianapolis to SeattleDiscover carefully curated flight deals from Indianapolis to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Indianapolis to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Southwest deal was found by Cheapflights users on 10/29. 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 12/12:40 pm -
2 stops10h 40m
Wed 12/29:25 am -
2 stops10h 25m
Deal found 10/29![Southwest logo]()
$375
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/203:14 pm -
1 stop6h 52m
Sun 12/2711:44 pm -
1 stop8h 06m
Deal found 10/27![United Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 10/29. 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 11/177:05 am -
1 stop10h 25m
Tue 12/110:40 pm -
1 stop8h 58m
Deal found 10/29![Delta logo]()
$437
This Southwest deal was found by Cheapflights users on 10/26. 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 12/198:50 pm -
1 stop7h 45m
Sun 12/209:50 pm -
1 stop11h 05m
Deal found 10/26![Southwest logo]()
$407
This United Airlines deal was found by Cheapflights users on 10/29. 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 1/51:39 pm -
2 stops11h 20m
Sat 1/97:00 am -
1 stop7h 56m
Deal found 10/29![United Airlines logo]()
$422
This Delta deal was found by Cheapflights users on 10/28. 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 11/165:00 pm -
1 stop7h 58m
Thu 11/196:00 am -
1 stop6h 24m
Deal found 10/28![Delta logo]()
$480
This Southwest deal was found by Cheapflights users on 10/26. 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 12/207:15 pm -
2 stops9h 30m
Sun 1/1010:55 am -
2 stops10h 00m
Deal found 10/26![Southwest logo]()
$447
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/15:00 am -
2 stops14h 12m
Sat 12/511:59 pm -
1 stop7h 45m
Deal found 10/29![United Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/197:00 am -
1 stop9h 25m
Sun 11/226:30 pm -
2 stops12h 18m
Deal found 10/25![United Airlines logo]()
$492
This Southwest deal was found by Cheapflights users on 10/26. 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 11/27:40 pm -
1 stop8h 15m
Sun 11/1512:15 am -
1 stop9h 05m
Deal found 10/26![Southwest logo]()
$493
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/2411:03 am -
2 stops12h 53m
Wed 11/254:39 pm -
2 stops14h 10m
Deal found 10/29![United Airlines logo]()
$494
Last-minute flights from Indianapolis to SeattleDiscover last-minute flight deals from Indianapolis to Seattle. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Indianapolis to Seattle. Data last updated October 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/104:03 pm -
1 stop26h 09m
Thu 11/264:37 pm -
1 stop20h 05m
Deal found 10/25![Frontier logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/104:03 pm -
2 stops29h 30m
Wed 11/184:27 pm -
1 stop19h 41m
Deal found 10/27![Frontier logo]()
$307
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/164:30 pm -
1 stop9h 37m
Thu 11/197:00 am -
1 stop6h 23m
Deal found 10/26![United Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/184:03 pm -
2 stops20h 42m
Wed 12/24:58 pm -
1 stop21h 54m
Deal found 10/29![Frontier logo]()
$310
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/183:28 pm -
1 stop7h 52m
Sun 11/2211:36 pm -
1 stop6h 25m
Deal found 10/28![American Airlines logo]()
$330
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/193:58 pm -
1 stop26h 24m
Sun 11/224:37 pm -
1 stop20h 05m
Deal found 10/29![Frontier logo]()
$312
This Cheapflightsfares deal was found by Cheapflights users on 10/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:37 pm -
1 stop25h 45m
Mon 11/234:37 pm -
1 stop20h 05m
Deal found 10/25![Frontier logo]()
$322
This Delta deal was found by Cheapflights users on 10/29. 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 11/248:09 am -
1 stop9h 21m
Fri 11/279:25 am -
1 stop6h 31m
Deal found 10/29![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 10/27. 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 11/246:00 am -
1 stop9h 36m
Tue 12/19:50 am -
1 stop6h 12m
Deal found 10/27![Delta logo]()
$323
This American Airlines deal was found by Cheapflights users on 10/29. 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 11/255:31 am -
1 stop7h 12m
Tue 12/112:38 pm -
1 stop7h 55m
Deal found 10/29![American Airlines logo]()
$320
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/274:37 pm -
1 stop25h 45m
Fri 12/44:58 pm -
1 stop19h 48m
Deal found 10/28![Frontier logo]()
$306
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/277:10 am -
1 stop8h 09m
Mon 12/75:05 am -
2 stops8h 21m
Deal found 10/28![United Airlines logo]()
$328
One-way flights from Indianapolis to SeattleSearch for one-way flight options from Indianapolis to Seattle. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Indianapolis to Seattle. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/94:06 pm -
2 stops30h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$110
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/174:03 pm -
1 stop26h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$113
This Super.com deal was found by Cheapflights users on 10/28. 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 12/114:41 pm -
1 stop26h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$121
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:41 pm -
1 stop26h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$126
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:37 pm -
1 stop25h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$134
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/204:37 pm -
1 stop25h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$135
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/154:30 pm -
1 stop25h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$136
This Super.com deal was found by Cheapflights users on 10/28. 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.
Sun 12/67:12 pm -
1 stop23h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 12/178:48 pm -
1 stop18h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$139
This Super.com deal was found by Cheapflights users on 10/29. 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 11/234:37 pm -
1 stop25h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$143
Find flight deals from Indianapolis to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Indianapolis (IND) to Seattle (SEA). 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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $303 (United Airlines) |
One-way from | $110 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $412 |
Good round-trip deal | $467 or less |
Good one-way deal | $264 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Indianapolis 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 October 30, 2026.
Use the filters below to find and compare flights from Indianapolis to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IndianapolisSeattle
IND Indianapolis - SEA Seattle/Tacoma Intl
INDSEA
Indianapolis
Thu 12/17
6:12 pm-11:53 pm
1 stop8h 41m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$147
IndianapolisSeattle
IND Indianapolis - SEA Seattle/Tacoma Intl
INDSEA
Indianapolis
Wed 12/9
8:00 am-3:03 pm
1 stop10h 03m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$152
IndianapolisSeattle
IND Indianapolis - SEA Seattle/Tacoma Intl
INDSEA
Indianapolis
Thu 12/10
2:40 pm-10:20 pm
2 stops10h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$157
IndianapolisSeattle
IND Indianapolis - SEA Seattle/Tacoma Intl
INDSEA
Indianapolis
Wed 1/6
10:35 am-6:05 pm
2 stops10h 30m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$189
IndianapolisSeattle
IND Indianapolis - SEA Seattle/Tacoma Intl
INDSEA
Indianapolis
Wed 1/13
10:35 am-6:50 pm
2 stops11h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$189
IndianapolisSeattle
IND Indianapolis - SEA Seattle/Tacoma Intl
INDSEA
Indianapolis
Thu 11/19
9:10 am-9:50 pm
2 stops15h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$212
IndianapolisSeattle
IND Indianapolis - SEA Seattle/Tacoma Intl
INDSEA
Indianapolis
Tue 11/17
7:00 am-4:27 pm
2 stops12h 27m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$217
Quickest round-trip
IndianapolisSeattle
IND Indianapolis - SEA Seattle/Tacoma Intl
INDSEA
Indianapolis
Wed 11/25
5:16 pm-7:13 pm
Nonstop4h 57m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$219
IndianapolisSeattle
IND Indianapolis - SEA Seattle/Tacoma Intl
INDSEA
Indianapolis
Thu 12/17
7:23 am-9:27 am
Nonstop5h 04m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$239
IndianapolisSeattle
IND Indianapolis - SEA Seattle/Tacoma Intl
INDSEA
Indianapolis
Sun 12/6
9:45 am-6:00 pm
2 stops11h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$239
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Indianapolis to Seattle
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 Indianapolis to Seattle in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Indianapolis-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Indianapolis-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Indianapolis-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Indianapolis-Seattle 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 Indianapolis-Seattle 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 Indianapolis to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Indianapolis with our price prediction graph.
IND-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 Indianapolis to Seattle
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How far ahead should I book a flight from Indianapolis to Seattle?
Booking 34 days in advance of your planned departure date is, on average, the best time to get cheap flights from Indianapolis to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Indianapolis to Seattle?
Currently, January is the cheapest month in which you can book a flight from Indianapolis to Seattle (average of $288). Flying from Indianapolis to Seattle in July is currently the most expensive (average of $516). 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 IND to SEA?
Find hourly flight availability from Indianapolis 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 October 30, 2026.
When flying from Indianapolis to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
What’s the top layover airport for flights from Indianapolis to Seattle?
Share of 1-stop round-trip flights from Indianapolis to Seattle chosen by Cheapflights users in the past 12 months, using the same layover each way.
Chicago (ORD) – chosen by Cheapflights users on 75% of 1-stop itineraries from Indianapolis to Seattle on Cheapflights.
What’s the cheapest layover airport for flights from Indianapolis to Seattle?
Average round-trip fare for 1-stop flights from Indianapolis to Seattle, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $302.
What’s the fastest layover option from Indianapolis to Seattle?
Shortest average travel time for 1-stop one-way flights from Indianapolis to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 6h 56m.
Which airport typically offers the quickest layover for flights from Indianapolis to Seattle?
Average layover duration for 1-stop one-way flights from Indianapolis to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 08m.
The best insider tips for Indianapolis to Seattle 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 Indianapolis to Seattle trip
Our travel experts
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated October 30, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, andDelta from Indianapolis to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
7.9
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Crew
8.5
Overall
7.9
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Crew
8.5
Overall
7.9
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Crew
8.5
Overall
7.9
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Crew
8.5
Overall
7.9
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Crew
8.5
Overall
7.9
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Related info for your journey
Find useful and relevant information for your journey from Indianapolis 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
Snoqualmie
Puyallup
Lynnwood
Olympia
Centralia
Kent
Tumwater
Ocean Shores
Ellensburg
Issaquah
Lakewood
Poulsbo
Marysville
Shoreline
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Indianapolis and Seattle flights
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Top 6 airlines flying from Indianapolis to Seattle
Discover the top 6 airlines that operate flights from Indianapolis 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 October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$124 | Average$254 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$128 | Average$317 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$178 | Average$440 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$238 | Average$339 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$238 | Average$453 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$248 | Average$401 | FlexibilityNo cancel fee | On-time63% |