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$109+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SEA
May 30 — Jun 61
Sat 5/30
Sat 6/6
1 adult, Economy
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Cheap flight deals from Indiana to Seattle

Cheapest flights from Indiana to Seattle
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 April 30, 2026.

This Booking.com deal was found by Cheapflights users on 4/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:05 pm
CVG
-
SEA
1 stop23h 44m
Frontier
Fri 5/157:50 pm
SEA
-
CVG
1 stop13h 10m
Frontier
Deal found 4/27$213
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1212:50 pm
CVG
-
SEA
1 stop23h 59m
Frontier
Fri 5/157:50 pm
SEA
-
CVG
1 stop13h 10m
Frontier
Deal found 4/28$216
This Trip.com deal was found by Cheapflights users on 4/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1212:50 pm
CVG
-
SEA
1 stop23h 59m
Frontier
Sat 5/166:52 pm
SEA
-
CVG
1 stop12h 52m
Frontier
Deal found 4/27$221
This Booking.com deal was found by Cheapflights users on 4/30. 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 6/168:15 pm
CVG
-
SEA
1 stop16h 33m
Frontier
Wed 6/247:41 pm
SEA
-
CVG
1 stop20h 50m
Frontier
Deal found 4/30$223
This Booking.com deal was found by Cheapflights users on 4/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/49:29 pm
CVG
-
SEA
1 stop15h 20m
Frontier
Tue 5/127:50 pm
SEA
-
CVG
1 stop13h 10m
Frontier
Deal found 4/27$238
This United Airlines deal was found by Cheapflights users on 4/25. 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.
Tue 8/188:00 am
IND
-
SEA
1 stop6h 34m
United Airlines
Tue 8/2510:54 am
SEA
-
IND
1 stop9h 04m
United Airlines
Deal found 4/25$239
This Booking.com deal was found by Cheapflights users on 4/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/812:50 pm
CVG
-
SEA
1 stop23h 59m
Frontier
Tue 5/127:50 pm
SEA
-
CVG
1 stop13h 10m
Frontier
Deal found 4/28$239
This Trip.com deal was found by Cheapflights users on 4/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/79:37 pm
ORD
-
SEA
1 stop14h 12m
Frontier
Mon 5/117:50 pm
SEA
-
ORD
1 stop22h 42m
Frontier
Deal found 4/26$242
This Trip.com deal was found by Cheapflights users on 4/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:37 pm
ORD
-
SEA
1 stop14h 12m
Frontier
Mon 5/117:50 pm
SEA
-
ORD
1 stop22h 42m
Frontier
Deal found 4/25$243
This Booking.com deal was found by Cheapflights users on 4/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:36 pm
CVG
-
SEA
1 stop16h 30m
Frontier
Mon 6/88:20 pm
SEA
-
CVG
1 stop20h 27m
Frontier
Deal found 4/26$243
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/189:57 pm
ORD
-
SEA
1 stop13h 52m
Frontier
Wed 7/298:12 pm
SEA
-
ORD
1 stop7h 16m
Frontier
Deal found 4/29$244
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:46 pm
ORD
-
SEA
1 stop23h 49m
Frontier
Fri 6/57:50 pm
SEA
-
ORD
1 stop22h 42m
Frontier
Deal found 4/29$246

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 April 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$213
(Booking.com)

One-way from

$109
(Trip.com)

Popular in

July

Cheapest in

January

Average price

$390

Good round-trip deal

$413 or less

Good one-way deal

$243 or less
Provider with most accurate pricing for Indianapolis-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Indianapolis-Seattle/Tacoma Intl flights.
Search Deals
From Indiana to Seattle/Tacoma Intl
Search Deals
One-way flight from Indiana to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Indiana to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Indiana to Seattle/Tacoma Intl.
Search Deals

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 April 30, 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

Price

Cheapest round-trip

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Tue 7/7

7:32 pm-11:58 pm

1 stop7h 26m

Seattle/Tacoma Intl

Tue 7/14

11:05 am-10:59 pm

1 stop8h 54m

$247

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sat 9/12

4:47 pm-11:11 pm

2 stops9h 24m

Seattle/Tacoma Intl

Fri 9/18

10:47 pm-8:03 am

1 stop6h 16m

$281

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Sun 8/30

6:00 am-9:35 am

1 stop6h 35m

Seattle/Tacoma Intl

Tue 9/8

10:54 am-10:58 pm

1 stop9h 04m

$294

KalamazooSeattle

AZO - SEA

AZOSEA

Kalamazoo Intl

Sat 9/12

6:00 am-9:35 am

1 stop6h 35m

Seattle/Tacoma Intl

Fri 9/18

10:47 pm-9:52 am

1 stop8h 05m

$302

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Wed 6/3

5:45 am-9:40 am

1 stop6h 55m

Seattle/Tacoma Intl

Tue 7/7

10:40 pm-8:00 am

1 stop6h 20m

$338

KalamazooSeattle

AZO - SEA

AZOSEA

Kalamazoo Intl

Wed 7/29

6:00 pm-11:58 pm

2 stops8h 58m

Seattle/Tacoma Intl

Fri 8/7

5:20 am-2:20 pm

1 stop6h 00m

$342

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Thu 8/6

5:18 pm-11:56 pm

1 stop9h 38m

Seattle/Tacoma Intl

Fri 8/14

11:15 am-9:55 pm

1 stop7h 40m

$343

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Sat 6/27

7:55 pm-1:10 am

1 stop8h 15m

Seattle/Tacoma Intl

Sat 7/25

6:30 am-5:20 pm

1 stop7h 50m

$348

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Wed 9/16

9:00 am-3:36 pm

1 stop9h 36m

Seattle/Tacoma Intl

Sat 9/26

11:04 pm-9:47 am

1 stop7h 43m

$349

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Thu 5/28

3:28 pm-6:06 pm

Nonstop4h 38m

Seattle/Tacoma Intl

Mon 6/1

4:42 pm-10:59 pm

Nonstop4h 17m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 60 resultsSorted by cheapest first
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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.
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

How far ahead should I book a flight from Indiana to Seattle?

Booking 81 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.

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 $178). 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 April 30, 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.

Weekly flight availability from Indiana to Seattle

Explore weekly flight availability from Indiana to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 30, 2026.

The most flights from USIN to SEA are scheduled on a Thursday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Indiana to Seattle?

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.

  • What airport do you fly into for flights to Seattle from Indiana?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Indiana to Seattle. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

  • How popular is this Indiana to Seattle flight route?

    Flights from Indiana to Seattle/Tacoma Intl have been viewed 31 times in the past calendar month.

  • How long is the flight from Indiana to Seattle?

    A quick flight from Indiana to Seattle can take about 6h 34m. United Airlines provides one of the quickest options available for as low as $239. There are 1860 mi between Indiana and Seattle. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Indiana to Seattle one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $79. Users have also found prices from $89 and $96 on Southwest and Delta, respectively.

  • What are the most popular routes from Indiana to Seattle?

    The most popular flight routes from Indiana to Seattle are Chicago O'Hare Intl - Seattle/Tacoma Intl, Cincinnati Cinci./N. Kentucky - Seattle/Tacoma Intl and Indianapolis - Seattle/Tacoma Intl.

  • What are the most reliable airlines from Indiana to Seattle?

    Before booking your flight to Seattle from Indiana, check out the most reliable airlines to get you to your destination on time: Hawaiian Airlines (72%), American Airlines (49%), Alaska Airlines( 49%).

  • What are the cheapest flights from Indiana to Seattle?

    Looking for the cheapest flight from Indiana to Seattle? While on average our users pay $443, our data indicates the cheapest price to be $168. The most popular route (Chicago O'Hare Intl - Seattle/Tacoma Intl), is priced around $268.

  • Can I find deals for flights from Indiana to Seattle that include hotel bookings?

    Yes. In addition to deals on Indiana to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Indiana to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Indiana to Seattle.

  • Can I find deals for business class flights from Indiana to Seattle?

    Yes. Cheapflights offers flight deals from Indiana to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $178). 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.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Renton
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline

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Alternative routes for Indiana to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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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 April 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$238FlexibilityNo cancel feeOn-time62%
DeltaCheapest$101Average$401FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$159Average$418FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$169Average$368FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$182Average$328FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$230Average$395FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$237Average$510FlexibilityNo cancel feeOn-time75%

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