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$88+ Cheap flights from Indiana to Seattle (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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SEA
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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Cheap flight deals from Indiana to Seattle

Keep the following information in mind while searching for Indiana to Seattle flight deals. Data was last updated June 16, 2025.

Round-trip from

$167
(Alaska Airlines)

One-way from

$88
(Hawaiian Airlines)

Popular in

July

Cheapest in

February

Average price

$426

Good round-trip deal

$344 or less

Good one-way deal

$206 or less
From Indiana to Seattle/Tacoma Intl
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One-way flight from Indiana to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 12% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Indiana to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Indiana to Seattle/Tacoma Intl.
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Find flight deals from Indiana to Seattle

Cheapest flights from Indiana to Seattle
Explore the most affordable flight options available from Indiana to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/15. 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.
Fri 8/156:00 amORD - SEA
Nonstop4h 37mAlaska Airlines
Mon 8/188:55 amSEA - ORD
1 stop12h 44mAlaska Airlines
Deal found 6/15$167
This Trip.com deal was found by Cheapflights users on 6/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/155:55 pmORD - SEA
Nonstop4h 40mHawaiian Airlines
Mon 8/185:54 pmSEA - ORD
Nonstop4h 05mHawaiian Airlines
Deal found 6/15$171
This Southwest deal was found by Cheapflights users on 6/14. 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.
Wed 8/133:10 pmORD - SEA
1 stop8h 30mSouthwest
Wed 8/2010:10 amSEA - ORD
2 stops10h 55mSouthwest
Deal found 6/14$174
This Southwest deal was found by Cheapflights users on 6/15. 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.
Thu 9/189:35 pmMDW - SEA
Nonstop4h 30mSouthwest
Tue 9/2311:10 pmSEA - MDW
Nonstop4h 05mSouthwest
Deal found 6/15$177
This Delta deal was found by Cheapflights users on 6/14. 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.
Sat 7/57:09 amORD - SEA
Nonstop4h 36mDelta
Wed 7/166:10 amSEA - ORD
Nonstop4h 01mDelta
Deal found 6/14$184
This Delta deal was found by Cheapflights users on 6/15. 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.
Sat 8/302:15 pmSBN - SEA
1 stop9h 34mDelta
Sat 9/611:55 pmSEA - SBN
2 stops10h 35mDelta
Deal found 6/15$194
This eDestinos deal was found by Cheapflights users on 6/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/97:08 amORD - SEA
1 stop11h 17mSpirit Airlines
Sun 7/135:30 pmSEA - ORD
1 stop10h 33mSpirit Airlines
Deal found 6/14$195
This Frontier deal was found by Cheapflights users on 6/14. 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 7/46:25 amMDW - SEA
1 stop9h 46mFrontier
Sat 7/126:25 amSEA - MDW
1 stop12h 29mFrontier
Deal found 6/14$200
This Gotogate deal was found by Cheapflights users on 6/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/45:40 amORD - SEA
1 stop20h 54mFrontier
Wed 7/96:25 amSEA - ORD
1 stop15h 45mFrontier
Deal found 6/14$207
This Kissandfly.com deal was found by Cheapflights users on 6/15. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/57:00 amORD - SEA
1 stop9h 20mMultiple Airlines
Wed 7/165:54 pmSEA - ORD
Nonstop4h 05mMultiple Airlines
Deal found 6/15$225
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 8/136:37 pmCVG - SEA
Nonstop4h 58mAlaska Airlines
Wed 8/1311:49 pmSEA - CVG
Nonstop4h 18mAlaska Airlines
Deal found 6/14$231
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 7/89:16 pmORD - SEA
Nonstop4h 43mUnited Airlines
Mon 7/1412:20 amSEA - ORD
Nonstop4h 08mUnited Airlines
Deal found 6/16$236

Cheapflights Fare Finder

Customize your flight search to find flights from Indiana 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 June 16, 2025.
Use the filters below to find and compare flights from Indiana to Seattle that are best for you.

Fly from

Indiana

Fly to

Seattle

Route

Depart

Return

Price

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Fri 8/15

6:00 am-8:37 am

Nonstop4h 37m

Seattle/Tacoma Intl

Mon 8/18

8:55 am-11:39 pm

1 stop12h 44m

$167

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Fri 8/15

5:55 pm-8:35 pm

Nonstop4h 40m

Seattle/Tacoma Intl

Mon 8/18

5:54 pm-11:59 pm

Nonstop4h 05m

$171

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 8/13

3:10 pm-9:40 pm

1 stop8h 30m

Seattle/Tacoma Intl

Wed 8/20

10:10 am-11:05 pm

2 stops10h 55m

$174

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

Fri 8/22

9:35 pm-12:05 am

Nonstop4h 30m

Seattle/Tacoma Intl

Tue 8/26

11:10 pm-5:15 am

Nonstop4h 05m

$177

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sat 7/5

7:09 am-9:45 am

Nonstop4h 36m

Seattle/Tacoma Intl

Wed 7/16

6:10 am-12:11 pm

Nonstop4h 01m

$184

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sat 8/30

2:15 pm-8:49 pm

1 stop9h 34m

Seattle/Tacoma Intl

Sat 9/6

11:55 pm-1:30 pm

2 stops10h 35m

$194

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 7/9

7:08 am-4:25 pm

1 stop11h 17m

Seattle/Tacoma Intl

Sun 7/13

5:30 pm-6:03 am

1 stop10h 33m

$195

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

Fri 7/4

6:25 am-2:11 pm

1 stop9h 46m

Seattle/Tacoma Intl

Sat 7/12

6:25 am-8:54 pm

1 stop12h 29m

$200

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Fri 7/4

5:40 am-12:34 am

1 stop20h 54m

Seattle/Tacoma Intl

Wed 7/9

6:25 am-12:10 am

1 stop15h 45m

$207

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sat 7/5

7:00 am-2:20 pm

1 stop9h 20m

Seattle/Tacoma Intl

Wed 7/16

5:54 pm-11:59 pm

Nonstop4h 05m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 60 results
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Best time to book a flight from Indiana to Seattle

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

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

Currently, January is the cheapest month in which you can book a flight from Indiana to Seattle (average of $238). Flying from Indiana to Seattle in June is currently the most expensive (average of $390). 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 IN to SEA?

Find hourly flight availability from Indiana 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 June 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Indiana to Seattle as you normally would.

Weekly flight availability from Indiana to Seattle

Explore weekly flight availability from Indiana to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 16, 2025.

The most flights from USIN to SEA are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

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 June 16, 2025.
To help decide which airline to fly from Indiana to Seattle, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.8
Good
2,501 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,801 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Indiana to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Indiana?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Indiana to Seattle. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

  • How popular is this Indiana to Seattle flight route?

    Flights from Indiana to Seattle/Tacoma Intl have been viewed 61 times in the past calendar month.

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

    For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $88. Users have also found prices from $90 and $94 on Delta and Alaska Airlines, respectively.

  • What are the most popular routes from Indiana to Seattle?

    The most popular flight routes from Indiana to Seattle are Chicago O'Hare Intl - Seattle/Tacoma Intl, Cincinnati Cinci./N. Kentucky - Seattle/Tacoma Intl and Indianapolis - Seattle/Tacoma Intl.

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

    Before booking your flight to Seattle from Indiana, check out the most reliable airlines to get you to your destination on time: Finnair (76%), American Airlines (74%), Alaska Airlines( 74%).

  • What are the cheapest flights from Indiana to Seattle?

    Looking for the cheapest flight from Indiana to Seattle? While on average our users pay $580, our data indicates the cheapest price to be $145. The most popular route (Chicago O'Hare Intl - Seattle/Tacoma Intl), is priced around $109.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Indiana to Seattle (average of $238). Flying from Indiana to Seattle in June is currently the most expensive (average of $390). 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 Indiana?

Book flights to Indiana if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

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Alternative routes for Indiana to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Indiana to Seattle

Discover the top 9 airlines that operate flights from Indiana 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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$82Average$157FlexibilityNo cancel feeOn-time65%
FrontierCheapest$127Average$225FlexibilityNo cancel feeOn-time62%
DeltaCheapest$188Average$434FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$188Average$506FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$212Average$384FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$216Average$382FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$222Average$497FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$258Average$542FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$275Average$405FlexibilityNo cancel feeOn-time83%

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