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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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IND
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 65 days in advance, depart on a Monday or Tuesday 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 July 29, 2025.

Round-trip from

$227
(Southwest)

One-way from

$98
(Delta)

Popular in

December

Cheapest in

February

Average price

$392

Good round-trip deal

$269 or less

Good one-way deal

$278 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 ($22 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 July 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 July 29, 2025.

This Southwest deal was found by Cheapflights users on 7/29. 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 10/146:55 amSEA - IND
2 stops9h 10mSouthwest
Tue 10/216:50 amIND - SEA
2 stops12h 15mSouthwest
Deal found 7/29$227
This Delta deal was found by Cheapflights users on 7/28. 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 10/1311:15 pmSEA - IND
1 stop8h 59mDelta
Mon 10/208:04 pmIND - SEA
1 stop6h 53mDelta
Deal found 7/28$236
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2210:45 amSEA - IND
Nonstop4h 17mAlaska Airlines
Tue 10/286:56 pmIND - SEA
Nonstop4h 54mAlaska Airlines
Deal found 7/29$237
This FlightHub deal was found by Cheapflights users on 7/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/167:48 pmSEA - IND
1 stop13h 27mFrontier
Tue 8/198:00 amIND - SEA
1 stop18h 01mFrontier
Deal found 7/28$245
This Hawaiian Airlines deal was found by Cheapflights users on 7/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1410:41 amSEA - IND
Nonstop4h 15mHawaiian Airlines
Sat 11/156:56 pmIND - SEA
Nonstop4h 54mHawaiian Airlines
Deal found 7/28$247
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 10/2411:40 pmSEA - IND
1 stop8h 37mUnited Airlines
Sun 10/266:00 amIND - SEA
1 stop6h 53mUnited Airlines
Deal found 7/29$253
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2512:46 amSEA - IND
1 stop7h 58mAmerican Airlines
Tue 9/25:45 amIND - SEA
1 stop6h 34mAmerican Airlines
Deal found 7/27$255
This Sun Country Air deal was found by Cheapflights users on 7/28. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2511:37 amSEA - IND
1 stop27h 17mSun Country Air
Sun 11/309:02 pmIND - SEA
1 stop15h 19mSun Country Air
Deal found 7/28$345

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 July 29, 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

Tue 10/14

6:55 am-7:05 pm

2 stops9h 10m

Indianapolis

Tue 10/21

6:50 am-4:05 pm

2 stops12h 15m

$227

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Mon 10/13

11:15 pm-11:14 am

1 stop8h 59m

Indianapolis

Mon 10/20

8:04 pm-11:57 pm

1 stop6h 53m

$236

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Wed 10/22

10:45 am-6:02 pm

Nonstop4h 17m

Indianapolis

Tue 10/28

6:56 pm-8:50 pm

Nonstop4h 54m

$237

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Sat 8/16

7:48 pm-12:15 pm

1 stop13h 27m

Indianapolis

Tue 8/19

8:00 am-11:01 pm

1 stop18h 01m

$245

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Fri 10/24

11:40 pm-11:17 am

1 stop8h 37m

Indianapolis

Sun 10/26

6:00 am-9:53 am

1 stop6h 53m

$253

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Mon 8/25

12:46 am-11:44 am

1 stop7h 58m

Indianapolis

Tue 9/2

5:45 am-9:19 am

1 stop6h 34m

$255

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Thu 8/28

9:55 pm-5:10 am

Nonstop4h 15m

Indianapolis

Tue 9/2

6:30 am-8:12 am

Nonstop4h 42m

$257

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Sat 8/23

6:25 am-3:40 pm

1 stop6h 15m

Indianapolis

Mon 8/25

6:30 am-8:12 am

Nonstop4h 42m

$347

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Fri 9/5

11:15 am-10:59 pm

1 stop8h 44m

$98

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Sat 8/23

6:25 am-3:40 pm

1 stop6h 15m

$113

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 17 results
1
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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 July 25, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Indianapolis, you should look to book at least 65 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 $297). Flying from Seattle to Indianapolis in March is currently the most expensive (average of $361). 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 July 29, 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 July 27, 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.

Weekly flight availability from Seattle to Indianapolis

Explore weekly flight availability from Seattle to Indianapolis. 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 July 29, 2025.

The most flights from SEA to IND are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

What’s the top layover airport for flights from Seattle to Indianapolis?

Share of 1-stop round-trip flights from Seattle to Indianapolis chosen by Cheapflights users in the past 12 months, using the same layover each way.

Phoenix (PHX) – chosen by Cheapflights users on 50% of 1-stop itineraries from Seattle to Indianapolis on Cheapflights.

What’s the cheapest layover airport for flights from Seattle to Indianapolis?

Average round-trip fare for 1-stop flights from Seattle to Indianapolis, 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 $251.

What’s the fastest layover option from Seattle to Indianapolis?

Shortest average travel time for 1-stop one-way flights from Seattle to Indianapolis, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 3h 16m.

Which airport typically offers the quickest layover for flights from Seattle to Indianapolis?

Average layover duration for 1-stop one-way flights from Seattle to Indianapolis, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Phoenix (PHX) offer the fastest connection on this route, with an average layover time of 0h 53m.

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 July 29, 2025.
Read through reviews of airlines operating flights from Seattle to Indianapolis, such as Alaska Airlines, Southwest, and Delta. 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

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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 8 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 9 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Currently priced at $227, Southwest will fly you from Seattle to Indianapolis and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Alaska Airlines - these airlines can fly you to your destination from $236 and $237, respectively. Users have found that Southwest is 37% 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 Delta, with whom users have recently found tickets for as low as $98. However, be on the lookout for offers from Frontier and Southwest, 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: Alaska Airlines (69%), Finnair (67%), American Airlines( 65%).

  • What are the cheapest flights from Seattle to Indianapolis?

    On average you can expect to pay $367 for a flight from Seattle to Indianapolis. The cheapest flight overall is $199 while the most popular route, (Seattle/Tacoma Intl - Indianapolis) is currently priced at $195.

  • 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 $297). Flying from Seattle to Indianapolis in March is currently the most expensive (average of $361). 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
Greenwood
Bloomington
Noblesville
Muncie
Fishers
Terre Haute
Anderson
Kokomo
Franklin
Plainfield
Carmel
Crawfordsville
Shelbyville
Speedway

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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 8 airlines flying from Seattle to Indianapolis

Discover the top 8 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$98Average$172FlexibilityNo cancel feeOn-time65%
FrontierCheapest$110Average$176FlexibilityNo cancel feeOn-time62%
DeltaCheapest$194Average$298FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$219Average$364FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$230Average$382FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$234Average$344FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$247Average$342FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$256Average$415FlexibilityNo cancel feeOn-time75%

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