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$129+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IND
May 6 — May 131
Tue 5/6
Tue 5/13
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 69 days in advance, depart on a Wednesday 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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$245
(Mytrip)

One-way from

$129
(Frontier)

Popular in

July

Cheapest in

February

Average price

$398

Good round-trip deal

$312 or less

Good one-way deal

$195 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Indianapolis flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Indianapolis flights.
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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. 3% potential increase in price ($13 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 May 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 May 1, 2025.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/16:00 amSEA - IND
2 stops34h 15mSpirit Airlines
Mon 6/164:15 pmIND - SEA
1 stop25h 48mSpirit Airlines
Deal found 4/29$245
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2511:59 pmSEA - IND
Nonstop4h 08mMultiple Airlines
Mon 6/24:21 pmIND - SEA
1 stop10h 49mMultiple Airlines
Deal found 4/30$246
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/121:10 amSEA - IND
1 stop9h 19mAmerican Airlines
Mon 5/194:49 pmIND - SEA
1 stop9h 12mAmerican Airlines
Deal found 4/29$253
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/235:40 pmSEA - IND
1 stop9h 34mDelta
Wed 6/257:20 amIND - SEA
1 stop10h 05mDelta
Deal found 4/30$255
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2411:59 pmSEA - IND
Nonstop4h 08mAlaska Airlines
Wed 6/46:42 pmIND - SEA
Nonstop4h 47mAlaska Airlines
Deal found 4/30$257
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.
Fri 5/96:00 amSEA - IND
1 stop7h 50mFrontier
Sun 5/114:26 pmIND - SEA
1 stop11h 18mFrontier
Deal found 4/29$258
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/3011:59 pmSEA - IND
1 stop7h 48mUnited Airlines
Sun 6/16:59 pmIND - SEA
1 stop6h 31mUnited Airlines
Deal found 4/30$263
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:30 amSEA - IND
2 stops10h 00mSouthwest
Thu 9/185:15 pmIND - SEA
1 stop9h 50mSouthwest
Deal found 4/28$266
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/149:45 pmSEA - IND
Nonstop4h 15mHawaiian Airlines
Sat 6/216:48 pmIND - SEA
Nonstop4h 47mHawaiian Airlines
Deal found 4/30$370

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 May 1, 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

Sun 6/1

6:00 am-7:15 pm

2 stops34h 15m

Indianapolis

Mon 6/16

4:15 pm-3:03 pm

1 stop25h 48m

$245

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Sun 5/25

11:59 pm-7:07 am

Nonstop4h 08m

Indianapolis

Mon 6/2

4:21 pm-12:10 am

1 stop10h 49m

$246

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Mon 5/12

1:10 am-1:29 pm

1 stop9h 19m

Indianapolis

Mon 5/19

4:49 pm-11:01 pm

1 stop9h 12m

$253

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Mon 6/23

5:40 pm-6:14 am

1 stop9h 34m

Indianapolis

Wed 6/25

7:20 am-2:25 pm

1 stop10h 05m

$255

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Sat 5/24

11:59 pm-7:07 am

Nonstop4h 08m

Indianapolis

Wed 6/4

6:42 pm-8:29 pm

Nonstop4h 47m

$257

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Thu 5/15

6:00 am-3:27 pm

1 stop6h 27m

Indianapolis

Mon 5/19

5:50 pm-12:44 am

1 stop9h 54m

$258

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Fri 5/30

11:59 pm-10:47 am

1 stop7h 48m

Indianapolis

Sun 6/1

6:59 pm-10:30 pm

1 stop6h 31m

$263

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Mon 9/15

6:30 am-7:30 pm

2 stops10h 00m

Indianapolis

Thu 9/18

5:15 pm-12:05 am

1 stop9h 50m

$266

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Fri 6/27

9:45 pm-5:00 am

Nonstop4h 15m

Indianapolis

Mon 6/30

6:30 am-8:19 am

Nonstop4h 49m

$339

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Mon 5/12

6:00 am-4:50 pm

1 stop7h 50m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 19 results
1
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Compare providers for flights from Seattle to Indianapolis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Indianapolis in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Indianapolis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Indianapolis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Indianapolis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Indianapolis flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Indianapolis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 for security screening appointments to reduce 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 budget-friendly option, though it may take up to 50 minutes.

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 April 25, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Indianapolis, you should look to book at least 69 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 May 1, 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 73% 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 March 30, 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. Friday 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 May 1, 2025.

The most flights from SEA to IND are scheduled on a Monday (7 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 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 May 1, 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
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

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
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

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
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

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
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

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
2,409 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

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 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 9 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 $245, 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 American Airlines and Delta - these airlines can fly you to your destination from $253 and $255, respectively. Users have found that Spirit Airlines is 33% 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 $129. However, be on the lookout for offers from United Airlines and American 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 (74%), Alaska Airlines (74%), Hawaiian Airlines( 74%).

  • What are the cheapest flights from Seattle to Indianapolis?

    On average you can expect to pay $306 for a flight from Seattle to Indianapolis. The cheapest flight overall is $128 while the most popular route, (Seattle/Tacoma Intl - Indianapolis) is currently priced at $210.

  • 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Greenwood
Bloomington
Terre Haute
Noblesville
Muncie
Fishers
Anderson
Carmel
Kokomo
Franklin
Plainfield
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 9 airlines flying from Seattle to Indianapolis

Discover the top 9 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$99Average$237FlexibilityNo cancel feeOn-time65%
FrontierCheapest$130Average$235FlexibilityNo cancel feeOn-time62%
DeltaCheapest$196Average$310FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$219Average$374FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$237Average$357FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$237Average$411FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$248Average$433FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$257Average$353FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$297Average$392FlexibilityNo cancel feeOn-time63%

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