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Cheap flights from Indianapolis to Seattle from $79

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Indianapolis to Seattle departing on 12/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Frontier Logo
12:22 pm - 11:53 amIND-SEA
26h 31m2 stops
Frontier Logo
9:45 am - 8:26 pmSEA-IND
7h 41m1 stop
$209Frontier
Find Deal
Sat, Dec 13 - Mon, Dec 15
Delta Logo
4:35 pm - 8:46 pmIND-SEA
7h 11m1 stop
Delta Logo
11:10 pm - 11:30 amSEA-IND
9h 20m1 stop
$210Delta
Find Deal
Tue, Jan 6 - Mon, Jan 12
Delta Logo
6:45 am - 10:54 amIND-SEA
7h 09m1 stop
Delta Logo
11:45 am - 11:23 pmSEA-IND
8h 38m1 stop
$215Delta
Find Deal
Sat, Dec 13 - Sun, Dec 28
Alaska Airlines Logo
7:30 pm - 9:30 pmIND-SEA
5h 00mnonstop
Alaska Airlines Logo
11:15 am - 6:24 pmSEA-IND
4h 09mnonstop
$217Alaska Airlines
Find Deal
Sat, Dec 6 - Wed, Dec 10
American Airlines Logo
6:45 am - 2:59 pmIND-SEA
11h 14m1 stop
American Airlines Logo
5:48 am - 7:16 pmSEA-IND
10h 28m1 stop
$219American Airlines
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Thu, Nov 20 - Fri, Nov 28
Alaska Airlines Logo
7:30 pm - 9:30 pmIND-SEA
5h 00mnonstop
Alaska Airlines Logo
11:15 am - 6:24 pmSEA-IND
4h 09mnonstop
$225Alaska Airlines
Find Deal
Wed, Dec 10 - Sun, Dec 14
United Airlines Logo
5:05 pm - 12:34 amIND-SEA
10h 29m1 stop
United Airlines Logo
7:00 am - 5:03 pmSEA-IND
7h 03m1 stop
$232United Airlines
Find Deal
Thu, Dec 25 - Wed, Dec 31
United Airlines Logo
6:00 am - 9:50 amIND-SEA
6h 50m1 stop
United Airlines Logo
11:59 pm - 10:53 amSEA-IND
7h 54m1 stop
$243United Airlines
Find Deal
Wed, Nov 26 - Tue, Dec 2
American Airlines Logo
4:49 pm - 11:18 pmIND-SEA
9h 29m1 stop
American Airlines Logo
5:48 am - 7:16 pmSEA-IND
10h 28m1 stop
$248American Airlines
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Sat, Nov 22 - Fri, Nov 28
Hawaiian Airlines Logo
6:30 pm - 8:26 pmIND-SEA
4h 56mnonstop
Hawaiian Airlines Logo
10:25 am - 5:30 pmSEA-IND
4h 05mnonstop
$277Hawaiian Airlines
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Tue, Mar 3 - Wed, Mar 4

American Airlines flights from Indianapolis to Seattle

Our best American Airlines deals on Indianapolis to Seattle flight tickets
American Airlines
Nov 20
IND6:45 amIndianapolis
11h 14m
1 stop
SEA2:59 pmSeattle/Tacoma Intl
Nov 28
SEA5:48 amSeattle/Tacoma Intl
10h 28m
1 stop
IND7:16 pmIndianapolis
$219
Find similar
American Airlines
Nov 22
IND4:49 pmIndianapolis
9h 29m
1 stop
SEA11:18 pmSeattle/Tacoma Intl
Nov 28
SEA5:48 amSeattle/Tacoma Intl
10h 28m
1 stop
IND7:16 pmIndianapolis
$248
Find similar
American Airlines
Dec 3
IND6:55 pmIndianapolis
7h 30m
1 stop
SEA11:25 pmSeattle/Tacoma Intl
Dec 9
SEA12:31 amSeattle/Tacoma Intl
7h 03m
1 stop
IND10:34 amIndianapolis
$261
Find similar

United Airlines flights from Indianapolis to Seattle

Our best United Airlines deals on Indianapolis to Seattle flight tickets
United Airlines
Dec 25
IND5:05 pmIndianapolis
10h 29m
1 stop
SEA12:34 amSeattle/Tacoma Intl
Dec 31
SEA7:00 amSeattle/Tacoma Intl
7h 03m
1 stop
IND5:03 pmIndianapolis
$232
Find similar
United Airlines
Nov 26
IND6:00 amIndianapolis
6h 50m
1 stop
SEA9:50 amSeattle/Tacoma Intl
Dec 2
SEA11:59 pmSeattle/Tacoma Intl
7h 54m
1 stop
IND10:53 amIndianapolis
$243
Find similar
United Airlines
Dec 15
IND5:49 pmIndianapolis
7h 39m
1 stop
SEA10:28 pmSeattle/Tacoma Intl
Dec 31
SEA5:02 amSeattle/Tacoma Intl
9h 01m
2 stops
IND5:03 pmIndianapolis
$283
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Indianapolis to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Sat 12/13

12:22 pm-11:53 am

2 stops26h 31m

Seattle/Tacoma Intl

Mon 12/15

9:45 am-8:26 pm

1 stop7h 41m

$209

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Tue 1/6

4:35 pm-8:46 pm

1 stop7h 11m

Seattle/Tacoma Intl

Mon 1/12

11:10 pm-11:30 am

1 stop9h 20m

$210

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Sat 12/13

6:45 am-10:54 am

1 stop7h 09m

Seattle/Tacoma Intl

Sun 12/28

11:45 am-11:23 pm

1 stop8h 38m

$215

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Sat 12/6

7:30 pm-9:30 pm

Nonstop5h 00m

Seattle/Tacoma Intl

Wed 12/10

11:15 am-6:24 pm

Nonstop4h 09m

$217

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Thu 11/20

6:45 am-2:59 pm

1 stop11h 14m

Seattle/Tacoma Intl

Fri 11/28

5:48 am-7:16 pm

1 stop10h 28m

$219

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Wed 12/10

7:30 pm-9:30 pm

Nonstop5h 00m

Seattle/Tacoma Intl

Sun 12/14

11:15 am-6:24 pm

Nonstop4h 09m

$225

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Thu 12/25

5:05 pm-12:34 am

1 stop10h 29m

Seattle/Tacoma Intl

Wed 12/31

7:00 am-5:03 pm

1 stop7h 03m

$232

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Wed 11/26

6:00 am-9:50 am

1 stop6h 50m

Seattle/Tacoma Intl

Tue 12/2

11:59 pm-10:53 am

1 stop7h 54m

$243

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Sat 11/22

4:49 pm-11:18 pm

1 stop9h 29m

Seattle/Tacoma Intl

Fri 11/28

5:48 am-7:16 pm

1 stop10h 28m

$248

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Tue 3/3

6:30 pm-8:26 pm

Nonstop4h 56m

Seattle/Tacoma Intl

Wed 3/4

10:25 am-5:30 pm

Nonstop4h 05m

$277

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Indianapolis to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Indianapolis and Seattle?

What is the cheapest month to fly to Seattle?

In general, September is the cheapest month to fly from Indianapolis to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $295. If you don’t want to visit Seattle in September, then you should wait until February to fly from Indianapolis, when ticket prices are also cheap, with an average price of $311.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Indianapolis is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $460. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Indianapolis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $536.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Indianapolis at noon is the least expensive time of day to depart. momondo users have found prices as low as $241 when looking at flights departing at noon. Flights to Seattle are more costly in the evening, with an average ticket price of $511. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Indianapolis to Seattle/Tacoma Intl flight route?

Fly from Indianapolis to Seattle/Tacoma Intl for the best Indianapolis - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Indianapolis when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $355 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Indianapolis for as low as $323 on momondo.

What cabin class options are available on Indianapolis to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Indianapolis to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Indianapolis to Seattle flight prices changed over time?

As of November 2025, prices for Indianapolis to Seattle flights are approximately 58% more expensive when compared to flights at the same time last year.

When to book flights from Indianapolis to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Indianapolis to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Indianapolis to Seattle (IND to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Indianapolis to Seattle

Best Price Found

$197

Fastest flight time

4h 54m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Indianapolis in the past 72 hours is $197. The best round-trip flight deal from Indianapolis to Seattle found on momondo in the last 72 hours is $392.
The fastest flight from Indianapolis to Seattle takes 4h 54m
Direct flights go from Indianapolis to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
Search flight deals

  • How far is Indianapolis to Seattle/Tacoma Intl by plane?

    Indianapolis and Seattle/Tacoma Intl are 1866.8 mi apart from one another. Flights usually cover this in 4h 56m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Indianapolis Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Indianapolis Airport to Seattle/Tacoma Intl Airport were last updated today.

  • How many operators does momondo search for flights from Indianapolis Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Indianapolis Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Indianapolis Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Indianapolis to Seattle?

  • What is the most popular airline from Indianapolis to Seattle?

Best airlines flying from Indianapolis to Seattle

Compare and see reviews for airlines that fly from Indianapolis to Seattle with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $100Free CancellationRating
5.8
3,115 reviews
Search Frontier flights
DeltaPriceFrom $164Free CancellationRating
7.9
8,001 reviews
Search Delta flights
American AirlinesPriceFrom $184Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
SouthwestPriceFrom $188Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
Hawaiian AirlinesPriceFrom $229Free CancellationRating
7.8
2,804 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $257Free CancellationRating
8.0
11,247 reviews
Search Alaska Airlines flights
Sun Country AirPriceFrom $261Free CancellationRating
6.9
335 reviews
Search Sun Country Air flights

  • Alaska Airlines Flights From Indianapolis to Seattle

    Alaska Airlines is one of the most popular airlines flying from Indianapolis to Seattle, operating 1 flight/week on average for this route. A good Alaska Airlines flight deal for Indianapolis to Seattle starts from $257 round-trip, up to an average price of $413. Our users have rated Alaska Airlines at 8.0/10.

  • Hawaiian Airlines Flights From Indianapolis to Seattle

    The best Hawaiian Airlines deal for Indianapolis to Seattle flight tickets found on momondo in the last 72 hours was $229, round-trip. It should be noted that an average Hawaiian Airlines flight deal for this route in this time was higher, at $379 round-trip. Hawaiian Airlines operates 3 flights out of Indianapolis into Seattle in an average week, so prices vary by time and availability. 2,804 Hawaiian Airlines reviews by users on momondo have scored the airline at 7.8/10.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Puyallup
Marysville
Redmond
Tukwila
Lakewood
Federal Way
Fife
Cle Elum
Centralia
Kirkland
Westport
Shoreline

Why use momondo?

Why should I use momondo to find a flight deal from Indianapolis to Seattle?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Indianapolis to Seattle for you.

Can I find flights from Indianapolis to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from Indianapolis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Indianapolis to Seattle?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Indianapolis.

I’m not ready to book a flight from Indianapolis to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Indianapolis to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

An easier way to manage your Seattle trip

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