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$117+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IND
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 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 June 12, 2025.

Round-trip from

$248
(Delta)

One-way from

$117
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$375

Good round-trip deal

$295 or less

Good one-way deal

$168 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 June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/11. 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 8/131:30 pmSEA - IND
1 stop7h 38mDelta
Tue 9/28:05 amIND - SEA
1 stop9h 38mDelta
Deal found 6/11$248
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1811:10 pmSEA - IND
2 stops10h 05mSouthwest
Tue 8/267:05 pmIND - SEA
1 stop7h 05mSouthwest
Deal found 6/11$251
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 7/912:20 amSEA - IND
1 stop7h 44mUnited Airlines
Sun 7/136:00 amIND - SEA
1 stop6h 50mUnited Airlines
Deal found 6/10$253
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 8/1712:45 amSEA - IND
1 stop8h 10mAmerican Airlines
Tue 8/265:30 pmIND - SEA
1 stop9h 10mAmerican Airlines
Deal found 6/11$266
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:55 pmSEA - IND
Nonstop4h 15mHawaiian Airlines
Thu 10/26:30 amIND - SEA
Nonstop4h 42mHawaiian Airlines
Deal found 6/10$270
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/23:58 pmSEA - IND
2 stops30h 01mSpirit Airlines
Thu 7/1010:39 pmIND - SEA
1 stop20h 46mSpirit Airlines
Deal found 6/10$285
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/158:01 pmSEA - IND
1 stop25h 42mFrontier
Mon 9/18:59 pmIND - SEA
1 stop6h 35mFrontier
Deal found 6/11$313
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/810:35 amSEA - IND
Nonstop4h 06mAlaska Airlines
Thu 11/136:41 pmIND - SEA
Nonstop4h 54mAlaska Airlines
Deal found 6/10$316
This Sun Country Air deal was found by Cheapflights users on 6/12. 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.
Wed 7/96:21 pmSEA - IND
1 stop13h 21mSun Country Air
Fri 7/187:00 pmIND - SEA
1 stop25h 11mSun Country Air
Deal found 6/12$325
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1711:57 pmSEA - IND
1 stop15h 03mMultiple Airlines
Sun 7/209:59 pmIND - SEA
2 stops21h 26mMultiple Airlines
Deal found 6/10$331

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 June 12, 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

Wed 8/13

1:30 pm-12:08 am

1 stop7h 38m

Indianapolis

Thu 9/4

8:05 am-2:43 pm

1 stop9h 38m

$248

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Mon 8/18

11:10 pm-12:05 pm

1 stop9h 55m

Indianapolis

Tue 8/26

5:50 pm-10:50 pm

1 stop8h 00m

$251

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Wed 7/9

12:20 am-11:04 am

1 stop7h 44m

Indianapolis

Sun 7/13

6:00 am-9:50 am

1 stop6h 50m

$253

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Sun 8/17

12:45 am-11:55 am

1 stop8h 10m

Indianapolis

Tue 8/26

5:30 pm-11:40 pm

1 stop9h 10m

$266

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Fri 8/15

9:45 pm-5:00 am

Nonstop4h 15m

Indianapolis

Tue 8/19

6:48 pm-8:35 pm

Nonstop4h 47m

$276

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Wed 7/2

3:58 pm-12:59 am

2 stops30h 01m

Indianapolis

Thu 7/10

10:39 pm-4:25 pm

1 stop20h 46m

$285

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Fri 8/15

8:01 pm-12:43 am

1 stop25h 42m

Indianapolis

Mon 9/1

8:59 pm-12:34 am

1 stop6h 35m

$313

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Wed 7/9

9:45 pm-5:00 am

Nonstop4h 15m

Indianapolis

Mon 7/14

6:30 am-8:19 am

Nonstop4h 49m

$317

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Wed 7/9

6:21 pm-10:42 am

1 stop13h 21m

Indianapolis

Fri 7/18

7:00 pm-5:11 pm

1 stop25h 11m

$325

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Thu 7/17

11:57 pm-6:00 pm

1 stop15h 03m

Indianapolis

Sun 7/20

9:59 pm-4:25 pm

2 stops21h 26m

$331

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 20 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 June 9, 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 $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 June 12, 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 74% 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 June 8, 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 June 12, 2025.

The most flights from SEA to IND are scheduled on a Thursday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Indianapolis by month

Plan your trip to Indianapolis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Indianapolis ranges from 2.3 - 5.1 inches per month. May is typically the wettest month, when rainfall can reach 5.1 in. February is typically the driest time to visit Indianapolis when rainfall is around 2.3 in.

Temperature in Indianapolis by month

Plan your trip to Indianapolis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Indianapolis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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 June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Seattle to Indianapolis by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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 3 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 10 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 $248, Delta will fly you from Seattle to Indianapolis and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and United Airlines - these airlines can fly you to your destination from $251 and $253, respectively. Users have found that Delta is 32% 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 American Airlines, with whom users have recently found tickets for as low as $117. However, be on the lookout for offers from Spirit Airlines and Alaska Airlines, 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: American Airlines (67%), Alaska Airlines (53%), Hawaiian Airlines( 46%).

  • What are the cheapest flights from Seattle to Indianapolis?

    On average you can expect to pay $290 for a flight from Seattle to Indianapolis. The cheapest flight overall is $145 while the most popular route, (Seattle/Tacoma Intl - Indianapolis) is currently priced at $181.

  • 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 $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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Greenwood
Bloomington
Terre Haute
Noblesville
Muncie
Fishers
Anderson
Kokomo
Franklin
Plainfield
Crawfordsville
Carmel
Shelbyville
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 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$98Average$174FlexibilityNo cancel feeOn-time65%
FrontierCheapest$110Average$169FlexibilityNo cancel feeOn-time62%
DeltaCheapest$195Average$308FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$219Average$373FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$230Average$383FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$254Average$414FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$257Average$353FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$297Average$392FlexibilityNo cancel feeOn-time63%

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