Seattle

$76+ Cheap flights from Indianapolis to Seattle (IND - SEA)

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SEA
Nov 27 — Dec 41
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Find cheap flights from Indianapolis to Seattle 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

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Cheapflights Tip: The best prices from Indianapolis to Seattle/Tacoma Intl are usually found in September or February, booked 27 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Indianapolis to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Indianapolis (IND) to Seattle (SEA). 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 October 28, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$207
(Kiwi.com)

One-way from

$76
(Mytrip)

Popular in

July

Cheapest in

September

Average price

$332

Good round-trip deal

$407 or less

Good one-way deal

$194 or less
Provider with most accurate pricing for Indianapolis-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Indianapolis-Seattle/Tacoma Intl flights.
From Indianapolis to Seattle/Tacoma Intl
One-way flight from Indianapolis to Seattle/Tacoma Intl
Highest demand for flights based on searches. 12% potential increase in price ($50 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from Indianapolis to Seattle/Tacoma Intl.
Price to beat on a one-way flight from Indianapolis to Seattle/Tacoma Intl.

Find flight deals from Indianapolis to Seattle

Cheapest flights from Indianapolis to Seattle
Explore the most affordable flight options available from Indianapolis to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/68:48 amIND - SEA
2 stops30h 05mMultiple Airlines
Sat 12/1312:48 pmSEA - IND
1 stop28h 05mMultiple Airlines
Deal found 10/26$207
This Booking.com deal was found by Cheapflights users on 10/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:05 pmIND - SEA
1 stop20h 08mFrontier
Thu 11/201:01 pmSEA - IND
1 stop27h 27mFrontier
Deal found 10/26$208
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:23 pmIND - SEA
1 stop8h 02mAmerican Airlines
Sun 12/712:38 amSEA - IND
1 stop9h 14mAmerican Airlines
Deal found 10/28$209
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:05 pmIND - SEA
1 stop20h 08mFrontier
Sun 11/2312:46 pmSEA - IND
1 stop27h 28mFrontier
Deal found 10/26$212
This Southwest deal was found by Cheapflights users on 10/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/65:50 amIND - SEA
1 stop6h 55mSouthwest
Sat 12/135:00 amSEA - IND
2 stops7h 40mSouthwest
Deal found 10/27$213
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/238:07 pmIND - SEA
1 stop6h 54mDelta
Fri 11/286:00 amSEA - IND
1 stop6h 16mDelta
Deal found 10/27$216
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:30 pmIND - SEA
Nonstop5h 00mAlaska Airlines
Sat 12/1311:15 amSEA - IND
Nonstop4h 09mAlaska Airlines
Deal found 10/27$217
This Hawaiian Airlines deal was found by Cheapflights users on 10/26. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:30 pmIND - SEA
Nonstop5h 00mHawaiian Airlines
Sat 12/1311:15 amSEA - IND
Nonstop4h 09mHawaiian Airlines
Deal found 10/26$219
This Delta deal was found by Cheapflights users on 10/28. 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 11/175:55 pmIND - SEA
1 stop9h 01mDelta
Thu 11/203:15 pmSEA - IND
1 stop6h 00mDelta
Deal found 10/28$220
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:55 pmIND - SEA
1 stop9h 01mDelta
Wed 11/196:00 amSEA - IND
1 stop6h 28mDelta
Deal found 10/27$221
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/157:05 pmIND - SEA
1 stop20h 08mFrontier
Fri 11/211:01 pmSEA - IND
1 stop27h 19mFrontier
Deal found 10/27$223

Cheapflights Fare Finder

 
Customize your flight search to find flights from Indianapolis to Seattle 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 October 28, 2025.
Use the filters below to find and compare flights from Indianapolis to Seattle that are best for you.

Fly from

Indianapolis

Fly to

Seattle

Route

Depart

Return

Price

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Sat 12/6

5:50 am-9:45 am

1 stop6h 55m

Seattle/Tacoma Intl

Sat 12/13

5:00 am-3:40 pm

2 stops7h 40m

$213

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Sat 12/6

7:30 pm-9:30 pm

Nonstop5h 00m

Seattle/Tacoma Intl

Sat 12/13

11:15 am-6:24 pm

Nonstop4h 09m

$217

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Sat 12/6

7:30 pm-9:30 pm

Nonstop5h 00m

Seattle/Tacoma Intl

Sat 12/13

11:15 am-6:24 pm

Nonstop4h 09m

$219

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Mon 11/10

5:55 pm-11:56 pm

1 stop9h 01m

Seattle/Tacoma Intl

Wed 11/19

6:00 am-3:28 pm

1 stop6h 28m

$221

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Thu 12/4

5:50 am-2:25 pm

2 stops11h 35m

Seattle/Tacoma Intl

Tue 12/9

5:15 am-4:55 pm

1 stop8h 40m

$224

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Wed 11/12

7:00 pm-10:55 pm

1 stop6h 55m

Seattle/Tacoma Intl

Fri 11/14

5:35 am-5:20 pm

1 stop8h 45m

$225

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Fri 12/5

7:30 pm-9:30 pm

Nonstop5h 00m

Seattle/Tacoma Intl

Sat 12/13

11:15 am-6:24 pm

Nonstop4h 09m

$227

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Tue 2/17

3:10 pm-11:40 pm

2 stops11h 30m

Seattle/Tacoma Intl

Tue 2/24

6:05 am-5:05 pm

1 stop8h 00m

$230

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Thu 12/4

7:30 pm-9:30 pm

Nonstop5h 00m

Seattle/Tacoma Intl

Sun 12/7

11:15 am-6:24 pm

Nonstop4h 09m

$237

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Sat 11/15

11:25 am-6:01 pm

2 stops9h 36m

Seattle/Tacoma Intl

Sat 11/22

11:59 pm-10:53 am

1 stop7h 54m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 18 results
1
2

Compare providers for flights from Indianapolis to Seattle

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 Indianapolis to Seattle in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice 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 Indianapolis-Seattle flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Indianapolis-Seattle flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Indianapolis-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Indianapolis-Seattle flights, Cheapflights users trust CheapOair the most. CheapOair 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 Indianapolis-Seattle 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 Indianapolis to Seattle

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

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

Use this chart to determine the optimal time to book a round-trip flight from Indianapolis to Seattle. Price data was last updated on October 24, 2025.

Booking 27 days in advance of your planned departure date is, on average, the best time to get cheap flights from Indianapolis to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Indianapolis to Seattle (average of $89). Flying from Indianapolis to Seattle in July is currently the most expensive (average of $256). 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 IND to SEA?

Find hourly flight availability from Indianapolis to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

When flying from Indianapolis to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 51% versus a flight in the morning.

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

The best insider tips for Indianapolis to Seattle 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 Indianapolis to Seattle trip
Airports
IND

IND offers amazingly reliable Wi-Fi and plenty of charging stations, perfect for staying connected and getting work done before your flight.

Read more about INDby Barbara Noe Kennedy
SEA

Take the Link light rail from SEA to downtown Seattle for an inexpensive, convenient ride with ample luggage space, taking less than 40 minutes.

Read more about SEAby Brandon Schultz
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

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated October 28, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and Hawaiian Airlines from Indianapolis to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Related info for your journey

Find useful and relevant information for your journey from Indianapolis to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How popular is this Indianapolis to Seattle flight route?

  • How long is the flight from Indianapolis to Seattle?

    Hawaiian Airlines, Delta, and Southwest can get you from Indianapolis to Seattle in just under 5h. Your travel time can differ by up to 6h 35m. Indianapolis and Seattle are separated by a distance of 1860 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Indianapolis to Seattle round-trip from $100. Other airlines that can offer you cheap pricing are Delta, from $167, and American Airlines, from $186. Frontier is priced at 71% lower than the current average price of a flight leaving 3 months from now.

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

    Before booking your flight to Seattle from Indianapolis, check out the most reliable airlines to get you to your destination on time: Hawaiian Airlines (84%), American Airlines (76%), Alaska Airlines( 76%).

  • What are the cheapest flights from Indianapolis to Seattle?

    Looking for the cheapest flight from Indianapolis to Seattle? While on average our users pay $415, our data indicates the cheapest price to be $138. The most popular route (Indianapolis - Seattle/Tacoma Intl), is priced around $179.

  • Where are the most common layover locations when flying from Indianapolis to Seattle?

  • What are some popular things to do or see while on a layover in Chicago?

    Chicago travelers tend to visit Magnificent Mile, River North, and Grant Park more than anywhere else. Magnificent Mile, River North, and Grant Park can be accessed by traveling approximately 15.5 mi, 15.0 mi, and 16.2 mi, respectively from Chicago O'Hare Intl. Travelers can book a car rental at Chicago O'Hare Intl for about $57 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Indianapolis to Seattle flights?

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Indianapolis to Seattle (average of $89). Flying from Indianapolis to Seattle in July is currently the most expensive (average of $256). 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
SeaTac
Tukwila
Tacoma
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Federal Way
Cle Elum
Marysville
Puyallup
Chehalis
Fife
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from Indianapolis to Seattle

Discover the top 8 airlines that operate flights from Indianapolis to Seattle. 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$229FlexibilityNo cancel feeOn-time62%
DeltaCheapest$167Average$284FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$186Average$402FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$188Average$340FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$228Average$330FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$229Average$379FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$257Average$413FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$261Average$405FlexibilityNo cancel feeOn-time83%

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