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Cheap flights from Indianapolis to Seattle from $78

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 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Frontier Logo
5:01 pm - 8:39 pmIND-SEA
6h 38m1 stop
Frontier Logo
7:00 am - 4:14 pmSEA-IND
6h 14m1 stop
$155Frontier
Find Deal
Sat, Sep 13 - Sat, Sep 20
American Airlines Logo
10:50 am - 5:29 pmIND-SEA
9h 39m1 stop
American Airlines Logo
11:20 pm - 10:12 amSEA-IND
7h 52m1 stop
$159American Airlines
Find Deal
Tue, Sep 30 - Tue, Oct 7
American Airlines Logo
10:50 am - 5:29 pmIND-SEA
9h 39m1 stop
American Airlines Logo
5:26 am - 5:57 pmSEA-IND
9h 31m1 stop
$160American Airlines
Find Deal
Sat, Sep 27 - Sat, Oct 4
Southwest Logo
5:35 pm - 12:05 amIND-SEA
9h 30m1 stop
Southwest Logo
5:35 am - 4:55 pmSEA-IND
8h 20m1 stop
$175Southwest
Find Deal
Thu, Nov 13 - Sun, Nov 16
Delta Logo
5:00 pm - 12:24 amIND-SEA
10h 24m1 stop
Delta Logo
11:55 pm - 11:33 amSEA-IND
8h 38m1 stop
$177Delta
Find Deal
Fri, Oct 3 - Wed, Oct 8
Delta Logo
5:13 pm - 10:25 pmIND-SEA
8h 12m1 stop
Delta Logo
7:20 am - 6:22 pmSEA-IND
8h 02m1 stop
$184Delta
Find Deal
Tue, Sep 2 - Sat, Sep 13
Southwest Logo
4:40 pm - 8:15 pmIND-SEA
6h 35m1 stop
Southwest Logo
7:05 am - 10:00 pmSEA-IND
11h 55m2 stops
$185Southwest
Find Deal
Thu, Oct 30 - Tue, Nov 4
Logo
7:00 am - 8:47 amIND-SEA
4h 47mnonstop
Logo
2:31 pm - 8:06 pmSEA-IND
26h 35m1 stop
$235
Find Deal
Wed, Oct 15 - Sun, Oct 19
Logo
6:30 am - 8:12 amIND-SEA
4h 42mnonstop
Logo
7:00 am - 4:14 pmSEA-IND
6h 14m1 stop
$236
Find Deal
Sat, Sep 13 - Sat, Sep 20
Hawaiian Airlines Logo
6:30 am - 8:12 amIND-SEA
4h 42mnonstop
Hawaiian Airlines Logo
10:45 am - 6:02 pmSEA-IND
4h 17mnonstop
$257Hawaiian Airlines
Find Deal
Tue, Sep 30 - Tue, Oct 7

Frontier flights from Indianapolis to Seattle

Our best Frontier deals on Indianapolis to Seattle flight tickets
Frontier
Sep 13
IND5:01 pmIndianapolis
6h 38m
1 stop
SEA8:39 pmSeattle/Tacoma Intl
Sep 20
SEA7:00 amSeattle/Tacoma Intl
6h 14m
1 stop
IND4:14 pmIndianapolis
$155
Find similar
Frontier
Nov 7
IND4:16 pmIndianapolis
11h 15m
1 stop
SEA12:31 amSeattle/Tacoma Intl
Nov 9
SEA6:00 amSeattle/Tacoma Intl
6h 31m
1 stop
IND3:31 pmIndianapolis
$174
Find similar
Frontier
Sep 11
IND8:54 pmIndianapolis
6h 36m
1 stop
SEA12:30 amSeattle/Tacoma Intl
Sep 18
SEA6:12 amSeattle/Tacoma Intl
10h 52m
1 stop
IND8:04 pmIndianapolis
$183
Find similar

American Airlines flights from Indianapolis to Seattle

Our best American Airlines deals on Indianapolis to Seattle flight tickets
American Airlines
Sep 30
IND10:50 amIndianapolis
9h 39m
1 stop
SEA5:29 pmSeattle/Tacoma Intl
Oct 7
SEA11:20 pmSeattle/Tacoma Intl
7h 52m
1 stop
IND10:12 amIndianapolis
$159
Find similar
American Airlines
Sep 27
IND10:50 amIndianapolis
9h 39m
1 stop
SEA5:29 pmSeattle/Tacoma Intl
Oct 4
SEA5:26 amSeattle/Tacoma Intl
9h 31m
1 stop
IND5:57 pmIndianapolis
$160
Find similar
American Airlines
Sep 5
IND5:27 amIndianapolis
6h 54m
1 stop
SEA9:21 amSeattle/Tacoma Intl
Sep 9
SEA6:05 amSeattle/Tacoma Intl
6h 11m
1 stop
IND3:16 pmIndianapolis
$180
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 August 14, 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 9/13

5:01 pm-8:39 pm

1 stop6h 38m

Seattle/Tacoma Intl

Sat 9/20

7:00 am-4:14 pm

1 stop6h 14m

$155

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Tue 9/30

10:50 am-5:29 pm

1 stop9h 39m

Seattle/Tacoma Intl

Tue 10/7

11:20 pm-10:12 am

1 stop7h 52m

$159

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Sat 9/27

10:50 am-5:29 pm

1 stop9h 39m

Seattle/Tacoma Intl

Sat 10/4

5:26 am-5:57 pm

1 stop9h 31m

$160

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Thu 11/13

5:35 pm-12:05 am

1 stop9h 30m

Seattle/Tacoma Intl

Sun 11/16

5:35 am-4:55 pm

1 stop8h 20m

$175

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Fri 10/3

5:00 pm-12:24 am

1 stop10h 24m

Seattle/Tacoma Intl

Wed 10/8

11:55 pm-11:33 am

1 stop8h 38m

$177

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Tue 9/2

5:13 pm-10:25 pm

1 stop8h 12m

Seattle/Tacoma Intl

Sat 9/13

7:20 am-6:22 pm

1 stop8h 02m

$184

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Thu 10/30

4:40 pm-8:15 pm

1 stop6h 35m

Seattle/Tacoma Intl

Tue 11/4

7:05 am-10:00 pm

2 stops11h 55m

$185

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Wed 10/15

7:00 am-8:47 am

Nonstop4h 47m

Seattle/Tacoma Intl

Sun 10/19

2:31 pm-8:06 pm

1 stop26h 35m

$235

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Sat 9/13

6:30 am-8:12 am

Nonstop4h 42m

Seattle/Tacoma Intl

Sat 9/20

7:00 am-4:14 pm

1 stop6h 14m

$236

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Tue 9/30

6:30 am-8:12 am

Nonstop4h 42m

Seattle/Tacoma Intl

Tue 10/7

10:45 am-6:02 pm

Nonstop4h 17m

$257

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 cheapest month to fly to Seattle?

In general, February 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 $298. If you don’t want to visit Seattle in February, then you should wait until September to fly from Indianapolis, when ticket prices are also cheap, with an average price of $310.

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 $436. 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 $509.

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 morning, with an average ticket price of $493. Departure times in the morning 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 $357 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 $320 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 August 2025, prices for Indianapolis to Seattle flights are approximately 29% cheaper 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

$78

Fastest flight time

4h 41m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Indianapolis in the past 72 hours is $78. The best round-trip flight deal from Indianapolis to Seattle found on momondo in the last 72 hours is $155.
The fastest flight from Indianapolis to Seattle takes 4h 41m
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 42m, 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
Spirit AirlinesPriceFrom $82Free CancellationRating
6.3
8,045 reviews
Search Spirit Airlines flights
FrontierPriceFrom $104Free CancellationRating
5.8
3,219 reviews
Search Frontier flights
DeltaPriceFrom $180Free CancellationRating
8.0
7,980 reviews
Search Delta flights
SouthwestPriceFrom $194Free CancellationRating
8.0
4,244 reviews
Search Southwest flights
American AirlinesPriceFrom $219Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $219Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
Hawaiian AirlinesPriceFrom $225Free CancellationRating
7.8
2,656 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $256Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
Sun Country AirPriceFrom $261Free CancellationRating
6.9
333 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 4 flights/week on average for this route. A good Alaska Airlines flight deal for Indianapolis to Seattle starts from $256 round-trip, up to an average price of $403. 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 $225, round-trip. It should be noted that an average Hawaiian Airlines flight deal for this route in this time was higher, at $384 round-trip. Hawaiian Airlines operates 12 flights out of Indianapolis into Seattle in an average week, so prices vary by time and availability. 2,656 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
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Renton
Kent
Lynnwood
Federal Way
Puyallup
Marysville
Tukwila
Kirkland
Lakewood
Centralia
Shoreline
Cle Elum
Fife
Westport
Redmond

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.

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