Seattle

$75+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SEA
Jan 11 — Jan 181
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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 October or September, booked 27 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap 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 December 12, 2025.

This Delta deal was found by Cheapflights users on 12/11. 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.
Thu 12/186:22 amIND - SEA
1 stop7h 18mDelta
Tue 1/69:35 amSEA - IND
1 stop10h 50mDelta
Deal found 12/11$306
This Delta deal was found by Cheapflights users on 12/11. 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.
Thu 12/186:22 amIND - SEA
1 stop7h 18mDelta
Thu 1/110:25 amSEA - IND
1 stop9h 49mDelta
Deal found 12/11$339
This Delta deal was found by Cheapflights users on 12/11. 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.
Thu 12/186:22 amIND - SEA
1 stop7h 18mDelta
Wed 12/316:10 amSEA - IND
1 stop6h 55mDelta
Deal found 12/11$350
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1812:36 pmIND - SEA
2 stops11h 41mUnited Airlines
Tue 1/611:00 amSEA - IND
1 stop8h 14mUnited Airlines
Deal found 12/11$357
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/1011:15 amIND - SEA
1 stop7h 52mUnited Airlines
Wed 12/3111:15 pmSEA - IND
1 stop8h 14mUnited Airlines
Deal found 12/10$360
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1812:36 pmIND - SEA
2 stops11h 41mUnited Airlines
Thu 1/15:00 amSEA - IND
1 stop7h 49mUnited Airlines
Deal found 12/11$367
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1812:36 pmIND - SEA
2 stops11h 41mUnited Airlines
Wed 12/3111:15 pmSEA - IND
1 stop8h 14mUnited Airlines
Deal found 12/11$373
This Delta deal was found by Cheapflights users on 12/11. 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.
Thu 12/186:22 amIND - SEA
1 stop7h 18mDelta
Tue 12/3011:45 amSEA - IND
1 stop8h 38mDelta
Deal found 12/11$379
This Delta deal was found by Cheapflights users on 12/11. 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 12/244:45 pmIND - SEA
1 stop9h 46mDelta
Mon 12/298:05 amSEA - IND
1 stop8h 36mDelta
Deal found 12/11$381
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/2412:36 pmIND - SEA
1 stop9h 10mUnited Airlines
Mon 12/2911:59 pmSEA - IND
1 stop8h 14mUnited Airlines
Deal found 12/10$388

Find 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 December 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$203
(Kiwi.com)

One-way from

$75
(Trip.com)

Popular in

July

Cheapest in

October

Average price

$368

Good round-trip deal

$353 or less

Good one-way deal

$279 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. 14% potential increase in price ($58 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in December 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.

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 December 12, 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 2/14

7:57 pm-9:55 pm

Nonstop4h 58m

Seattle/Tacoma Intl

Wed 2/18

11:45 am-6:56 pm

Nonstop4h 11m

$217

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Sat 1/24

2:00 pm-9:15 pm

2 stops10h 15m

Seattle/Tacoma Intl

Fri 1/30

2:10 pm-11:30 pm

1 stop6h 20m

$242

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Sat 2/28

3:45 pm-11:55 pm

2 stops11h 10m

Seattle/Tacoma Intl

Wed 3/4

6:05 am-5:05 pm

1 stop8h 00m

$258

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Fri 3/6

6:00 am-2:00 pm

2 stops11h 00m

Seattle/Tacoma Intl

Mon 3/9

10:30 am-9:15 pm

1 stop7h 45m

$258

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Sun 2/1

7:00 am-9:02 am

Nonstop5h 02m

Seattle/Tacoma Intl

Sun 3/1

11:45 am-6:56 pm

Nonstop4h 11m

$266

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Wed 2/25

7:57 pm-9:55 pm

Nonstop4h 58m

Seattle/Tacoma Intl

Fri 2/27

11:45 am-6:56 pm

Nonstop4h 11m

$267

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Mon 1/5

6:00 pm-12:05 am

1 stop9h 05m

Seattle/Tacoma Intl

Wed 1/14

6:45 am-10:05 pm

1 stop12h 20m

$268

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Wed 2/25

4:25 pm-10:30 pm

2 stops9h 05m

Seattle/Tacoma Intl

Fri 2/27

5:00 am-4:10 pm

1 stop8h 10m

$270

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Sat 4/11

7:00 am-8:56 am

Nonstop4h 56m

Seattle/Tacoma Intl

Sat 4/18

9:50 pm-5:00 am

Nonstop4h 10m

$293

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Fri 3/20

6:30 pm-8:26 pm

Nonstop4h 56m

Seattle/Tacoma Intl

Fri 3/27

10:25 am-5:35 pm

Nonstop4h 10m

$293

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 21 results
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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 December.
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
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 December 5, 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, October is the cheapest month in which you can book a flight from Indianapolis to Seattle (average of $131). Flying from Indianapolis to Seattle in July is currently the most expensive (average of $247). 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 December 12, 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 52% versus a flight in the evening.

The best insider tips for Indianapolis to Seattle 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 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.

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.

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 December 12, 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.

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

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.
  • What airports do I use to fly from Indianapolis to Seattle?

    Booking a flight from Indianapolis (IND) to Seattle/Tacoma Intl (SEA) is your only option if you wish to fly from Indianapolis to Seattle. On a typical day, there are 2 flights from Indianapolis to Seattle/Tacoma Intl, all of which are around 4h 47m for a nonstop flight. You can also purchase a plane ticket from 8 airlines when you book a flight from Indianapolis to Seattle.

  • How popular is this Indianapolis to Seattle flight route?

  • How long is the flight from Indianapolis to Seattle?

    Alaska Airlines, Delta, and United Airlines can get you from Indianapolis to Seattle in just under 4h 58m. Your travel time can differ by up to 5h 17m. 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 $98. Other airlines that can offer you cheap pricing are Delta, from $115, and Sun Country Air, from $132. Frontier is priced at 71% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Indianapolis to Seattle one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $79. However, be on the lookout for offers from Southwest and Delta, as they are both options that can get you from Indianapolis to Seattle for a low price.

  • 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: United Airlines (100%), 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 $682, our data indicates the cheapest price to be $159. The most popular route (Indianapolis - Seattle/Tacoma Intl), is priced around $193.

  • 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 $51 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, October is the cheapest month in which you can book a flight from Indianapolis to Seattle (average of $131). Flying from Indianapolis to Seattle in July is currently the most expensive (average of $247). 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
Tacoma
SeaTac
Lakewood
Olympia
Ocean Shores
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Tukwila
Kent
Cle Elum
Marysville
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Fife
Aberdeen
Shoreline
Centralia
Federal Way

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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$238FlexibilityNo cancel feeOn-time62%
DeltaCheapest$146Average$268FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$178Average$398FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$188Average$324FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$229Average$379FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$230Average$327FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$257Average$411FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$261Average$410FlexibilityNo cancel feeOn-time83%

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