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$57+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SEA
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
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 December 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/157:00 amORD - SEA
1 stop6h 53mFrontier
Thu 1/1512:19 pmSEA - ORD
1 stop7h 05mFrontier
Deal found 12/1$190
This Southwest deal was found by Cheapflights users on 12/1. 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 12/1712:05 pmMDW - SEA
1 stop12h 25mSouthwest
Sat 1/109:25 amSEA - MDW
1 stop8h 20mSouthwest
Deal found 12/1$200
This Delta deal was found by Cheapflights users on 12/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:50 amORD - SEA
Nonstop4h 51mDelta
Sat 1/105:25 amSEA - ORD
1 stop5h 51mDelta
Deal found 12/1$204
This Expedia deal was found by Cheapflights users on 12/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:10 amCVG - SEA
1 stop9h 20mFrontier
Sun 1/46:05 pmSEA - CVG
1 stop22h 05mFrontier
Deal found 12/1$208
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/157:00 amORD - SEA
1 stop6h 53mMultiple Airlines
Thu 1/1511:00 amSEA - ORD
Nonstop4h 10mMultiple Airlines
Deal found 12/1$209
This United Airlines deal was found by Cheapflights users on 12/1. 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 12/179:02 amORD - SEA
Nonstop4h 45mUnited Airlines
Sat 1/107:00 amSEA - ORD
Nonstop4h 08mUnited Airlines
Deal found 12/1$214
This American Airlines deal was found by Cheapflights users on 12/1. 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.
Mon 12/158:34 pmORD - SEA
Nonstop4h 51mAmerican Airlines
Thu 1/152:04 pmSEA - ORD
Nonstop4h 11mAmerican Airlines
Deal found 12/1$215
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/2410:21 amMDW - SEA
2 stops28h 09mFrontier
Mon 1/57:48 pmSEA - MDW
1 stop15h 05mFrontier
Deal found 12/2$218
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/183:27 pmORD - SEA
1 stop20h 44mFrontier
Fri 1/91:02 pmSEA - ORD
1 stop26h 39mFrontier
Deal found 12/1$224
This Delta deal was found by Cheapflights users on 12/1. 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 12/185:40 pmORD - SEA
Nonstop4h 43mDelta
Sun 1/115:55 pmSEA - ORD
Nonstop3h 58mDelta
Deal found 12/1$227
This Southwest deal was found by Cheapflights users on 12/1. 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 12/242:35 pmMDW - SEA
1 stop10h 20mSouthwest
Thu 1/16:35 amSEA - MDW
Nonstop3h 55mSouthwest
Deal found 12/1$228
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/246:08 pmORD - SEA
Nonstop4h 50mAlaska Airlines
Wed 12/315:49 pmSEA - ORD
Nonstop4h 10mAlaska Airlines
Deal found 12/1$230

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 December 3, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$163
(Kiwi.com)

One-way from

$57
(Southwest)

Popular in

July

Cheapest in

October

Average price

$368

Good round-trip deal

$355 or less

Good one-way deal

$284 or less
Provider with most accurate pricing for Indianapolis-Seattle/Tacoma Intl flight deals.
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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. 12% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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.
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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 December 3, 2025.
Use the filters below to find and compare flights from Indiana to Seattle that are best for you.

Fly from

Indiana

Fly to

Seattle

Route

Depart

Return

Price

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Sat 1/24

6:45 am-8:52 am

Nonstop5h 07m

Seattle/Tacoma Intl

Tue 1/27

8:00 am-7:56 pm

1 stop8h 56m

$168

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Wed 1/21

6:45 am-8:52 am

Nonstop5h 07m

Seattle/Tacoma Intl

Wed 2/4

10:59 pm-8:53 am

1 stop6h 54m

$168

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Wed 1/7

6:45 am-8:52 am

Nonstop5h 07m

Seattle/Tacoma Intl

Mon 1/12

10:55 pm-10:29 am

1 stop8h 34m

$168

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Sat 2/14

6:35 am-8:40 am

Nonstop5h 05m

Seattle/Tacoma Intl

Fri 2/27

11:15 pm-10:07 am

1 stop7h 52m

$168

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Wed 1/14

6:45 am-8:52 am

Nonstop5h 07m

Seattle/Tacoma Intl

Sun 1/18

6:05 am-5:24 pm

1 stop8h 19m

$168

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Thu 1/8

1:55 pm-9:49 pm

1 stop9h 54m

Seattle/Tacoma Intl

Sat 1/10

5:25 am-1:16 pm

1 stop5h 51m

$177

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 3/18

7:20 am-2:47 pm

1 stop9h 27m

Seattle/Tacoma Intl

Fri 3/20

11:59 pm-8:40 am

1 stop6h 41m

$177

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Wed 2/18

6:30 am-2:35 pm

1 stop11h 05m

Seattle/Tacoma Intl

Mon 2/23

7:10 am-8:52 pm

1 stop10h 42m

$179

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

Mon 3/2

8:05 am-10:50 am

Nonstop4h 45m

Seattle/Tacoma Intl

Sat 3/7

11:55 pm-5:50 am

Nonstop3h 55m

$182

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 3/4

7:00 am-9:51 am

Nonstop4h 51m

Seattle/Tacoma Intl

Sat 3/7

10:50 pm-12:11 pm

1 stop11h 21m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 60 results
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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

What is the cheapest month to book a flight from Indiana to Seattle?

Currently, October is the cheapest month in which you can book a flight from Indiana to Seattle (average of $158). Flying from Indiana to Seattle in July is currently the most expensive (average of $253). 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 December 3, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 25% on flights from Indiana to Seattle by exploring options for tickets at noon.

What is the cheapest day to fly from Indiana to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Indiana to Seattle. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Indiana to Seattle flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 3, 2025.

The most flights from USIN to SEA are scheduled on a Tuesday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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 54 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 4h 45m. Delta provides one of the quickest options available for as low as $182. There are 1728 mi between Indiana and Seattle. Generally, flights for this route are nonstop.

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

    For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $245. Users have also found prices from $264 and $351 on Alaska Airlines and Air Canada, 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, Chicago Midway - Seattle/Tacoma Intl and Cincinnati Cinci./N. Kentucky - 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: United Airlines (100%), American Airlines (76%), Alaska Airlines( 76%).

  • What are the cheapest flights from Indiana to Seattle?

    Looking for the cheapest flight from Indiana to Seattle? While on average our users pay $687, our data indicates the cheapest price to be $159. The most popular route (Chicago O'Hare Intl - Seattle/Tacoma Intl), is priced around $103.

  • 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, October is the cheapest month in which you can book a flight from Indiana to Seattle (average of $158). Flying from Indiana to Seattle in July is currently the most expensive (average of $253). 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
Tacoma
SeaTac
Lakewood
Olympia
Ocean Shores
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Tukwila
Cle Elum
Marysville
Leavenworth
Fife
Aberdeen
Shoreline
Centralia
Federal Way

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Top 8 airlines flying from Indiana to Seattle

Discover the top 8 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 December 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$238FlexibilityNo cancel feeOn-time62%
DeltaCheapest$150Average$405FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$178Average$458FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$188Average$325FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$228Average$466FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$229Average$379FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$257Average$508FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$261Average$405FlexibilityNo cancel feeOn-time83%

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