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$126+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SEA
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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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 February or April, booked 30 days in advance, depart on a Tuesday or Thursday 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$231
(United Airlines)

One-way from

$126
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$392

Good round-trip deal

$387 or less

Good one-way deal

$221 or less
Provider with most accurate pricing for Indianapolis-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Indianapolis-Seattle/Tacoma Intl flights.
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From Indianapolis to Seattle/Tacoma Intl
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One-way flight from Indianapolis to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 16% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Indianapolis to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Indianapolis to Seattle/Tacoma Intl.
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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 March 28, 2025.

This Delta deal was found by Cheapflights users on 3/27. 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.
Tue 5/67:45 amIND - SEA
1 stop9h 23mDelta
Thu 5/85:50 pmSEA - IND
1 stop9h 10mDelta
Deal found 3/27$231
This Expedia deal was found by Cheapflights users on 3/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/247:00 amIND - SEA
Nonstop4h 41mMultiple Airlines
Mon 4/2812:30 pmSEA - IND
1 stop13h 00mMultiple Airlines
Deal found 3/26$234
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:00 amIND - SEA
2 stops11h 00mUnited Airlines
Mon 5/52:15 pmSEA - IND
1 stop6h 12mUnited Airlines
Deal found 3/27$236
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/27:55 pmIND - SEA
1 stop18h 40mSpirit Airlines
Mon 5/52:30 pmSEA - IND
2 stops11h 00mSpirit Airlines
Deal found 3/27$238
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 4/306:32 pmIND - SEA
Nonstop4h 47mAlaska Airlines
Wed 4/3010:29 pmSEA - IND
Nonstop4h 11mAlaska Airlines
Deal found 3/27$252
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/107:41 amIND - SEA
1 stop8h 20mAmerican Airlines
Sat 4/1212:59 amSEA - IND
1 stop9h 32mAmerican Airlines
Deal found 3/27$253
This Hawaiian Airlines deal was found by Cheapflights users on 3/27. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/67:00 amIND - SEA
Nonstop4h 41mHawaiian Airlines
Sat 5/1010:29 pmSEA - IND
Nonstop4h 11mHawaiian Airlines
Deal found 3/27$257
This Southwest deal was found by Cheapflights users on 3/27. 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.
Fri 4/258:00 pmIND - SEA
1 stop7h 30mSouthwest
Tue 4/299:15 amSEA - IND
2 stops9h 40mSouthwest
Deal found 3/27$269
This CheapOair deal was found by Cheapflights users on 3/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/36:47 pmIND - SEA
1 stop20h 09mFrontier
Mon 4/71:56 pmSEA - IND
1 stop24h 56mFrontier
Deal found 3/27$290
This FlightHub deal was found by Cheapflights users on 3/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/37:05 pmIND - SEA
1 stop15h 57mSun Country Air
Sat 7/1211:59 pmSEA - IND
1 stop15h 07mSun Country Air
Deal found 3/28$355

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 March 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

Tue 5/6

7:45 am-2:08 pm

1 stop9h 23m

Seattle/Tacoma Intl

Thu 5/8

5:50 pm-6:00 am

1 stop9h 10m

$231

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Thu 4/24

7:00 am-8:41 am

Nonstop4h 41m

Seattle/Tacoma Intl

Mon 4/28

12:30 pm-4:30 am

1 stop13h 00m

$234

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Fri 5/2

6:00 am-2:00 pm

2 stops11h 00m

Seattle/Tacoma Intl

Mon 5/5

2:15 pm-11:27 pm

1 stop6h 12m

$236

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Fri 5/2

7:55 pm-11:35 am

1 stop18h 40m

Seattle/Tacoma Intl

Mon 5/5

2:30 pm-4:30 am

2 stops11h 00m

$238

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Wed 4/30

6:32 pm-8:19 pm

Nonstop4h 47m

Seattle/Tacoma Intl

Wed 4/30

10:29 pm-5:40 am

Nonstop4h 11m

$252

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Thu 4/10

7:41 am-1:01 pm

1 stop8h 20m

Seattle/Tacoma Intl

Sat 4/12

12:59 am-1:31 pm

1 stop9h 32m

$253

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Tue 5/6

7:00 am-8:41 am

Nonstop4h 41m

Seattle/Tacoma Intl

Sat 5/10

10:29 pm-5:40 am

Nonstop4h 11m

$257

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Fri 4/25

8:00 pm-12:30 am

1 stop7h 30m

Seattle/Tacoma Intl

Tue 4/29

9:15 am-9:55 pm

2 stops9h 40m

$269

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Thu 5/15

4:27 pm-12:44 am

1 stop11h 17m

Seattle/Tacoma Intl

Fri 5/16

6:00 am-4:50 pm

1 stop7h 50m

$328

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Thu 7/3

7:05 pm-8:02 am

1 stop15h 57m

Seattle/Tacoma Intl

Sat 7/12

11:59 pm-6:06 pm

1 stop15h 07m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 20 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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust 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 Indianapolis-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Indianapolis-Seattle flight deals on Cheapflights vs. FlightHub >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 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 Indianapolis-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 fast security with average wait times under 3 minutes. Check wait times online before your flight for a smooth departure.

Read more about INDby Barbara Noe Kennedy
SEA

Take the Link light rail from SEA to downtown Seattle. It's affordable, runs every 10 minutes, and takes 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

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 March 21, 2025.

Booking 30 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 $238). Flying from Indianapolis to Seattle in July is currently the most expensive (average of $411). 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 March 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 54% versus a flight in the morning.

What is the cheapest day to fly from Indianapolis to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Indianapolis to Seattle. Price data was last updated on March 23, 2025.

Travelers seeking maximum savings on their Indianapolis to Seattle flight should consider departing on Thursday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 March 28, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from Indianapolis to Seattle by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 is 1 flight from Indianapolis to Seattle/Tacoma Intl, all of which are around 4h 39m for a nonstop flight. You can also purchase a plane ticket from 9 airlines when you book a flight from Indianapolis to Seattle.

  • How popular is this Indianapolis to Seattle flight route?

    This flight path from Indianapolis to Seattle/Tacoma Intl was viewed by 49 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 Indianapolis to Seattle round-trip?

    Cheapflights users have booked flights from Indianapolis to Seattle round-trip from $231. Other airlines that can offer you cheap pricing are Spirit Airlines, from $235, and American Airlines, from $242. United Airlines is priced at 38% 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 Spirit Airlines, with whom users have recently found tickets for as low as $126. However, be on the lookout for offers from Delta and Hawaiian Airlines, 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: American Airlines (84%), Alaska Airlines (84%), Hawaiian Airlines( 84%).

  • What are the cheapest flights from Indianapolis to Seattle?

    Looking for the cheapest flight from Indianapolis to Seattle? While on average our users pay $942, our data indicates the cheapest price to be $127. 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?

    Of the flights from Indianapolis to Seattle that have layovers, most of them stop in Chicago.

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

    Chicago travelers tend to visit Magnificent Mile, Grant Park, and River North more than anywhere else. Magnificent Mile, Grant Park, and River North can be accessed by traveling approximately 15.5 mi, 16.2 mi, and 15.0 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?

    Indianapolis to Seattle flights have a layover in Minneapolis the least frequently.

  • 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 $238). Flying from Indianapolis to Seattle in July is currently the most expensive (average of $411). 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
SeaTac
Tukwila
Tacoma
Lakewood
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

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Alternative routes for Indianapolis to Seattle

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Top 9 airlines flying from Indianapolis to Seattle

Discover the top 9 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$91Average$231FlexibilityNo cancel feeOn-time65%
FrontierCheapest$150Average$241FlexibilityNo cancel feeOn-time62%
DeltaCheapest$196Average$299FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$211Average$357FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$219Average$418FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$226Average$366FlexibilityNo cancel feeOn-time69%
Sun Country AirCheapest$227Average$377FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$257Average$425FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$325Average$397FlexibilityNo cancel feeOn-time63%
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