HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Indianapolis

$109+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IND
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Indianapolis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Indianapolis are usually found in January or March, booked 78 days in advance, depart on a Saturday or Thursday and return on a Friday

Cheap 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 27, 2026.

This Orbitz deal was found by Cheapflights users on 7/22. 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.
Wed 9/237:00 am
SEA
-
IND
1 stop25h 25m
Frontier
Mon 9/288:16 pm
IND
-
SEA
1 stop7h 11m
Frontier
Deal found 7/22$250
This CheapOair deal was found by Cheapflights users on 7/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:06 pm
SEA
-
IND
1 stop21h 58m
Frontier
Tue 8/258:49 pm
IND
-
SEA
1 stop15h 30m
Frontier
Deal found 7/22$260
This CheapOair deal was found by Cheapflights users on 7/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:06 pm
SEA
-
IND
1 stop21h 58m
Frontier
Sat 9/128:16 pm
IND
-
SEA
1 stop7h 11m
Frontier
Deal found 7/23$261
This CheapOair deal was found by Cheapflights users on 7/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:06 pm
SEA
-
IND
1 stop21h 58m
Frontier
Mon 9/78:49 pm
IND
-
SEA
1 stop15h 30m
Frontier
Deal found 7/23$268
This CheapOair deal was found by Cheapflights users on 7/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:06 pm
SEA
-
IND
1 stop21h 58m
Frontier
Sun 8/308:49 pm
IND
-
SEA
1 stop15h 30m
Frontier
Deal found 7/26$275
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Tue 9/297:00 am
SEA
-
IND
2 stops25h 44m
Frontier
Thu 10/18:16 pm
IND
-
SEA
1 stop7h 11m
Frontier
Deal found 7/23$276
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:37 pm
SEA
-
IND
1 stop26h 27m
Frontier
Fri 8/286:11 pm
IND
-
SEA
2 stops42h 08m
Frontier
Deal found 7/27$277
This Frontier deal was found by Cheapflights users on 7/25. 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 10/27:00 am
SEA
-
IND
1 stop9h 21m
Frontier
Sun 10/48:16 pm
IND
-
SEA
1 stop7h 11m
Frontier
Deal found 7/25$278
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:53 pm
SEA
-
IND
1 stop13h 19m
Multiple Airlines
Sat 8/228:49 pm
IND
-
SEA
1 stop15h 30m
Multiple Airlines
Deal found 7/24$280
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/37:07 pm
SEA
-
IND
1 stop21h 57m
Frontier
Mon 9/76:11 pm
IND
-
SEA
2 stops22h 11m
Frontier
Deal found 7/23$281
This CheapOair deal was found by Cheapflights users on 7/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:06 pm
SEA
-
IND
1 stop21h 58m
Frontier
Mon 9/78:49 pm
IND
-
SEA
1 stop15h 30m
Frontier
Deal found 7/23$282
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:06 pm
SEA
-
IND
1 stop21h 58m
Frontier
Sat 8/298:49 pm
IND
-
SEA
1 stop15h 30m
Frontier
Deal found 7/27$284

Find 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 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$250
(Orbitz)

One-way from

$109
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$519

Good round-trip deal

$417 or less

Good one-way deal

$258 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Indianapolis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Indianapolis flights.
Search Deals
From Seattle/Tacoma Intl to Indianapolis
Search Deals
One-way flight from Seattle/Tacoma Intl to Indianapolis
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Indianapolis.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Indianapolis.
Search Deals

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 27, 2026.
Use the filters below to find and compare flights from Seattle to Indianapolis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Sat 9/19

10:50 am-11:25 pm

1 stop9h 35m

Indianapolis

Sat 9/26

7:20 am-2:20 pm

2 stops10h 00m

$342

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Mon 9/14

9:05 am-11:10 pm

2 stops11h 05m

Indianapolis

Sat 9/19

2:45 pm-9:30 pm

2 stops9h 45m

$347

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Thu 8/27

9:10 am-11:00 pm

2 stops10h 50m

Indianapolis

Wed 9/2

7:30 am-4:50 pm

1 stop12h 20m

$348

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Tue 9/8

11:59 pm-10:48 am

1 stop7h 49m

Indianapolis

Tue 9/15

7:00 am-4:14 pm

2 stops12h 14m

$352
Quickest round-trip

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Wed 9/2

9:59 pm-5:13 am

Nonstop4h 14m

Indianapolis

Mon 9/7

7:02 am-8:44 am

Nonstop4h 42m

$357

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Tue 9/1

9:59 pm-5:13 am

Nonstop4h 14m

Indianapolis

Thu 9/10

7:02 am-8:44 am

Nonstop4h 42m

$357

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Tue 8/18

9:25 am-11:00 pm

2 stops10h 35m

Indianapolis

Sat 8/22

7:30 am-2:25 pm

2 stops9h 55m

$363

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Fri 9/4

10:00 pm-5:14 am

Nonstop4h 14m

Indianapolis

Tue 9/8

5:28 pm-7:12 pm

Nonstop4h 44m

$372

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Wed 10/14

12:10 am-11:45 am

1 stop8h 35m

Indianapolis

Sun 10/18

8:35 pm-1:25 am

1 stop7h 50m

$377

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

Thu 8/27

11:05 pm-12:40 pm

2 stops10h 35m

Indianapolis

Sun 9/6

5:20 pm-10:55 pm

2 stops8h 35m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 FlightHub the most. FlightHub 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.

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?

To ensure you get the cheapest price possible for a flight from Seattle to Indianapolis, you should look to book at least 77 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, January is the cheapest month in which you can book a flight from Seattle to Indianapolis (average of $298). Flying from Seattle to Indianapolis in July is currently the most expensive (average of $519). 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 27, 2026.

One of the essential ways to save on airfare from Seattle to Indianapolis is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 38% on airfare.

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

Airfare is below average for this route at the moment.

Seattle to Indianapolis flights typically cost between $287 and $452 in September.
The cheapest round-trip price found within the last 5 days was $250 on Frontier (Sep 23-Sep 28).

The best insider tips for Seattle to Indianapolis flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Indianapolis trip
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on SEA

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

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

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 27, 2026.
Read through reviews of airlines operating flights from Seattle to Indianapolis, such as Southwest,Alaska Airlines, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,229 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Southwest
8.0
Very good
4,229 reviews
Southwest
8.0
Very good
4,229 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Alaska Airlines
7.9
Good
12,718 reviews
Southwest
8.0
Very good
4,229 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Delta
7.8
Good
8,483 reviews
Southwest
8.0
Very good
4,229 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
United Airlines
7.4
Good
10,042 reviews
Southwest
8.0
Very good
4,229 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
American Airlines
7.1
Good
11,837 reviews
Southwest
8.0
Very good
4,229 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

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 6 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?

    Southwest, United Airlines, and Alaska Airlines can get you from Seattle to Indianapolis in just under 4h 14m. Your travel time can differ by up to 5h 21m. 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 $124, 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 Hawaiian Airlines and American Airlines - these airlines can fly you to your destination from $147 and $208, respectively. Users have found that Delta is 69% 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 $78. However, be on the lookout for offers from Delta and Southwest, as they are both options that can get you from Seattle to Indianapolis for a low price.

  • What are the cheapest flights from Seattle to Indianapolis?

    On average you can expect to pay $513 for a flight from Seattle to Indianapolis. The cheapest flight overall is $144 while the most popular route, (Seattle/Tacoma Intl - Indianapolis) is currently priced at $299.

  • 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, January is the cheapest month in which you can book a flight from Seattle to Indianapolis (average of $298). Flying from Seattle to Indianapolis in July is currently the most expensive (average of $519). 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
Terre Haute
Muncie
Greenwood
Kokomo
Plainfield
Fishers
Franklin
Mooresville
Anderson
Crawfordsville
Carmel
Noblesville
Bloomington
Speedway

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 6 airlines flying from Seattle to Indianapolis

Discover the top 6 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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$124Average$271FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$147Average$383FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$208Average$396FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$236Average$487FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$238Average$383FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$249Average$402FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.