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$98+ Cheap flights from Seattle to Indianapolis (SEA - IND)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IND
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Indianapolis are usually found in February or January, booked 56 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Seattle to Indianapolis

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Indianapolis (IND). 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 September 11, 2025.

Round-trip from

$223
(United Airlines)

One-way from

$98
(Delta)

Popular in

December

Cheapest in

February

Average price

$332

Good round-trip deal

$295 or less

Good one-way deal

$167 or less
From Seattle/Tacoma Intl to Indianapolis
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One-way flight from Seattle/Tacoma Intl to Indianapolis
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Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Indianapolis.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Indianapolis.
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Find flight deals from Seattle to Indianapolis

Cheapest flights from Seattle to Indianapolis
Explore the most affordable flight options available from Seattle to Indianapolis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:50 amSEA - IND
1 stop6h 24mUnited Airlines
Mon 10/276:00 amIND - SEA
1 stop8h 43mUnited Airlines
Deal found 9/10$223
This Southwest deal was found by Cheapflights users on 9/10. 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 10/147:10 amSEA - IND
2 stops12h 20mSouthwest
Wed 10/227:50 pmIND - SEA
1 stop6h 55mSouthwest
Deal found 9/10$226
This Frontier deal was found by Cheapflights users on 9/10. 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.
Fri 9/266:12 amSEA - IND
1 stop10h 52mFrontier
Mon 9/298:54 pmIND - SEA
1 stop6h 36mFrontier
Deal found 9/10$230
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/712:34 amSEA - IND
1 stop8h 34mAmerican Airlines
Wed 10/227:25 pmIND - SEA
1 stop8h 02mAmerican Airlines
Deal found 9/11$233
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/88:42 amSEA - IND
1 stop8h 52mUnited Airlines
Sun 10/196:00 amIND - SEA
1 stop6h 43mUnited Airlines
Deal found 9/9$234
This Delta deal was found by Cheapflights users on 9/9. 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 9/2311:40 pmSEA - IND
1 stop8h 52mDelta
Fri 9/266:51 pmIND - SEA
1 stop8h 03mDelta
Deal found 9/9$236
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:20 amSEA - IND
1 stop8h 02mDelta
Tue 9/307:10 amIND - SEA
1 stop10h 18mDelta
Deal found 9/11$237
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/2212:34 amSEA - IND
1 stop6h 35mAmerican Airlines
Sat 10/258:36 amIND - SEA
1 stop9h 10mAmerican Airlines
Deal found 9/10$238
This American Airlines deal was found by Cheapflights users on 9/11. 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 9/238:34 amSEA - IND
1 stop10h 01mAmerican Airlines
Thu 9/251:58 pmIND - SEA
1 stop8h 56mAmerican Airlines
Deal found 9/11$239
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/231:02 pmSEA - IND
2 stops18h 34mFrontier
Mon 10/278:51 pmIND - SEA
1 stop18h 22mFrontier
Deal found 9/10$240
This Frontier deal was found by Cheapflights users on 9/10. 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.
Thu 9/256:12 amSEA - IND
1 stop10h 52mFrontier
Mon 9/2912:06 pmIND - SEA
2 stops15h 24mFrontier
Deal found 9/10$242
This Delta deal was found by Cheapflights users on 9/11. 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 10/111:15 amSEA - IND
1 stop8h 43mDelta
Sat 10/46:51 pmIND - SEA
1 stop8h 03mDelta
Deal found 9/11$245

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Indianapolis 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 September 11, 2025.
Use the filters below to find and compare flights from Seattle to Indianapolis that are best for you.

Fly from

Seattle

Fly to

Indianapolis

Route

Depart

Return

Price

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Thu 10/23

10:50 am-8:14 pm

1 stop6h 24m

Indianapolis

Mon 10/27

6:00 am-11:43 am

1 stop8h 43m

$223

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Tue 10/14

7:10 am-10:30 pm

2 stops12h 20m

Indianapolis

Wed 10/22

7:50 pm-11:45 pm

1 stop6h 55m

$226

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Tue 10/7

12:34 am-12:08 pm

1 stop8h 34m

Indianapolis

Wed 10/15

7:25 pm-12:27 am

1 stop8h 02m

$233

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Wed 10/8

8:42 am-8:34 pm

1 stop8h 52m

Indianapolis

Sun 10/19

6:00 am-9:43 am

1 stop6h 43m

$234

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Sat 9/27

7:20 am-6:22 pm

1 stop8h 02m

Indianapolis

Tue 9/30

7:10 am-2:28 pm

1 stop10h 18m

$237

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Wed 10/1

11:15 am-10:58 pm

1 stop8h 43m

Indianapolis

Sat 10/4

6:51 pm-11:54 pm

1 stop8h 03m

$245

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Tue 3/3

1:30 pm-10:58 pm

1 stop6h 28m

Indianapolis

Wed 3/4

8:00 am-3:08 pm

1 stop10h 08m

$248

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Wed 10/8

6:55 am-7:05 pm

2 stops9h 10m

Indianapolis

Wed 10/15

4:00 pm-11:45 pm

1 stop10h 45m

$249

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Fri 10/17

11:55 pm-11:33 am

1 stop8h 38m

Indianapolis

Wed 10/22

4:40 pm-11:54 pm

1 stop10h 14m

$255

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Fri 10/3

9:55 pm-5:10 am

Nonstop4h 15m

Indianapolis

Wed 10/15

7:00 am-8:47 am

Nonstop4h 47m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 23 results
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The best insider tips for Seattle to Indianapolis flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Indianapolis trip
Airports
SEA

Use SEA Spot Saver to book security screening appointments in advance, reducing wait times. Sign up online a few days before your flight.

Read more about SEAby Brandon Schultz
IND

Take IndyGo Route 8 from IND to downtown Indianapolis. It's a non-express bus, taking about 50 minutes, but offers a great deal per ride.

Read more about INDby Barbara Noe Kennedy
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Barbara Noe Kennedy

Barbara Noe Kennedy

Expert on IND

Barbara Noe Kennedy

Barbara Noe Kennedy

Award-winning travel journalist Barbara Noe Kennedy writes about destinations around the world—but her heart is in her home state of Virginia, where she’s always researching her next travel story.

Read more

Best time to book a flight from Seattle to Indianapolis

Have a flexible travel schedule? Discover the best time to fly to Indianapolis from Seattle 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 Seattle to Indianapolis

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Indianapolis. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Indianapolis, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Seattle to Indianapolis (average of $286). Flying from Seattle to Indianapolis in March is currently the most expensive (average of $360). 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 SEA to IND?

Find hourly flight availability from Seattle to Indianapolis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

One of the essential ways to save on airfare from Seattle to Indianapolis is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 75% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Indianapolis. Price data was last updated on September 7, 2025.

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

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

Reviews of airlines servicing Indianapolis

Get insights into the airlines that provide service to Indianapolis. 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 Indianapolis. Reviews last updated September 11, 2025.
Read through reviews of airlines operating flights from Seattle to Indianapolis, such as Alaska Airlines, Delta, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,960 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,723 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,937 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Indianapolis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Seattle to Indianapolis?

    Booking a flight from Seattle/Tacoma Intl (SEA) to Indianapolis (IND) is your only option if you wish to fly from Seattle to Indianapolis. On a typical day, there are 4 flights from Seattle/Tacoma Intl to Indianapolis, all of which are around 4h 05m for a nonstop flight. You can also purchase a plane ticket from 7 airlines when you book a flight from Seattle/Tacoma Intl to Indianapolis.

  • How popular is this Seattle to Indianapolis flight route?

    This flight path from Seattle/Tacoma Intl to Indianapolis was viewed by 8 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Seattle to Indianapolis?

    United Airlines, Southwest, and American Airlines can get you from Seattle to Indianapolis in just under 6h 24m. Your travel time can differ by up to 5h 56m. The distance from Seattle to Indianapolis is about 1860 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Seattle to Indianapolis round-trip?

    Currently priced at $98, Spirit Airlines will fly you from Seattle to Indianapolis and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and American Airlines - these airlines can fly you to your destination from $194 and $219, respectively. Users have found that Spirit Airlines is 73% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $113. However, be on the lookout for offers from Southwest and Delta, as they are both options that can get you from Seattle to Indianapolis for a low price.

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

    Before booking your flight to Indianapolis from Seattle, check out the most reliable airlines to get you to your destination on time: Finnair (66%), American Airlines (59%), Alaska Airlines( 56%).

  • What are the cheapest flights from Seattle to Indianapolis?

    On average you can expect to pay $322 for a flight from Seattle to Indianapolis. The cheapest flight overall is $158 while the most popular route, (Seattle/Tacoma Intl - Indianapolis) is currently priced at $164.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Indianapolis 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 Seattle to Indianapolis?

    Currently, August is the cheapest month in which you can book a flight from Seattle to Indianapolis (average of $286). Flying from Seattle to Indianapolis in March is currently the most expensive (average of $360). 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 Indianapolis?

Book flights to Indianapolis if you plan to visit one of these locations
Muncie
Terre Haute
Noblesville
Fishers
Anderson
Kokomo
Greenwood
Bloomington
Franklin
Plainfield
Carmel
Crawfordsville
Speedway

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Indianapolis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Seattle to Indianapolis

Discover the top 7 airlines that operate flights from Seattle to Indianapolis. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$98Average$374FlexibilityNo cancel feeOn-time65%
DeltaCheapest$194Average$299FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$219Average$378FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$230Average$381FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$234Average$344FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$247Average$363FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$256Average$422FlexibilityNo cancel feeOn-time75%

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