What is the cheapest airline that flies from Indiana to Seattle/Tacoma Intl?

United Airlines, Delta, and Southwest are the most popular carriers operating from Indiana to Seattle/Tacoma Intl

How many flights depart from Indiana to Seattle on average per week?

313 flights are operational weekly from Indiana to Seattle as of May 2026. The most popular departure day for this route is Sun, with 23% of flights per week taking off on this day.

How long does it take to fly to Seattle?

Flight times vary depending on what airport in Indiana you fly out of and what airport in Seattle you fly into. For example, flying from Indianapolis to Seattle takes 4h 42m on average. On the other hand, flying from Fort Wayne to Seattle takes 6h 40m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

How many flights depart from Indiana to Seattle on average per day?

As of May 2026, there are 44 flights per day flying from Indiana to Seattle. The most common time of day flights depart is 7:00AM, with 70% of flights taking off at noon.

What airlines fly to Seattle?

Alaska Airlines, American Airlines and United Airlines are the top three most popular airlines that fly to Seattle from Indiana according to our data. Alaska Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 7 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Indiana to Seattle/Tacoma Intl Airport are updated daily.

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

As of May 2026, there are 7 operators available to choose from for flights from Indiana to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from Indiana 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 Indiana 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.

$125 Cheap Flights from Indiana to Seattle in 2026

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Find the cheapest flights from Indiana to Seattle

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:30 pm - 9:15 pm

IND

SEA

10h 45m

2 stops

7:10 am - 7:50 pm

SEA

IND

9h 40m

1 stop

$246Southwest

Thu, Aug 20 - Tue, Aug 25

7:25 am - 1:00 pm

IND

SEA

8h 35m

1 stop

11:59 pm - 12:36 pm

SEA

IND

9h 37m

1 stop

$249Delta

Tue, Aug 18 - Tue, Aug 25

8:42 pm - 12:41 am

IND

SEA

6h 59m

1 stop

7:26 am - 7:24 pm

SEA

IND

8h 58m

1 stop

$273American Airlines

Tue, Jun 23 - Fri, Jul 3

7:33 am - 3:17 pm

FWA

SEA

10h 44m

1 stop

6:23 am - 4:59 pm

SEA

FWA

7h 36m

1 stop

$285American Airlines

Wed, Sep 23 - Wed, Oct 7

4:30 pm - 10:59 pm

FWA

SEA

9h 29m

2 stops

11:50 pm - 9:55 am

SEA

FWA

7h 05m

1 stop

$322United Airlines

Sat, Nov 14 - Sun, Nov 15

9:57 pm - 9:17 am

ORD

SEA

13h 20m

1 stop

10:34 am - 6:17 am

SEA

ORD

17h 43m

1 stop

$341Frontier

Fri, Aug 7 - Sun, Aug 9

9:48 pm - 12:27 am

ORD

SEA

28h 39m

1 stop

9:16 pm - 5:42 am

SEA

ORD

30h 26m

1 stop

$343Frontier

Tue, Sep 8 - Sat, Sep 12

3:22 pm - 10:56 pm

SBN

SEA

10h 34m

2 stops

1:56 pm - 11:43 pm

SEA

SBN

6h 47m

1 stop

$344United Airlines

Sat, Sep 26 - Sat, Oct 3

8:20 pm - 11:04 pm

ORD

SEA

4h 44mnonstop

8:13 pm - 5:37 am

SEA

ORD

7h 24m

1 stop

$346Multiple Airlines

Tue, Jul 7 - Sat, Jul 11

7:20 am - 10:35 am

ORD

SEA

29h 15m

1 stop

6:00 am - 12:03 pm

SEA

ORD

4h 03mnonstop

$348Multiple Airlines

Tue, Jun 30 - Fri, Jul 3

Delta flights from Indiana to Seattle

Our best Delta deals on Indiana to Seattle flight tickets

Delta

Aug 18

IND7:25 amIndianapolis

8h 35m

1 stop

SEA1:00 pmSeattle/Tacoma Intl

Aug 25

SEA11:59 pmSeattle/Tacoma Intl

9h 37m

1 stop

IND12:36 pmIndianapolis

$249

Delta

Aug 18

SDF4:30 pmLouisville Intl

8h 30m

1 stop

SEA10:00 pmSeattle/Tacoma Intl

Aug 25

SEA7:16 amSeattle/Tacoma Intl

9h 17m

1 stop

SDF7:33 pmLouisville Intl

$257

Delta

Sep 16

SBN3:08 pmSouth Bend/Michiana

9h 54m

1 stop

SEA10:02 pmSeattle/Tacoma Intl

Sep 30

SEA11:59 amSeattle/Tacoma Intl

7h 36m

1 stop

SBN10:35 pmSouth Bend/Michiana

$261

Frontier flights from Indiana to Seattle

Our best Frontier deals on Indiana to Seattle flight tickets

Frontier

Sep 29

IND8:16 pmIndianapolis

7h 11m

1 stop

SEA12:27 amSeattle/Tacoma Intl

Sep 30

SEA7:00 amSeattle/Tacoma Intl

9h 21m

1 stop

IND7:21 pmIndianapolis

$310

Frontier

Jun 5

ORD9:37 pmChicago O'Hare Intl

14h 29m

1 stop

SEA10:06 amSeattle/Tacoma Intl

Jun 9

SEA3:33 pmSeattle/Tacoma Intl

27h 10m

1 stop

ORD8:43 pmChicago O'Hare Intl

$340

Frontier

Aug 7

ORD9:57 pmChicago O'Hare Intl

13h 20m

1 stop

SEA9:17 amSeattle/Tacoma Intl

Aug 9

SEA10:34 amSeattle/Tacoma Intl

17h 43m

1 stop

ORD6:17 amChicago O'Hare Intl

$341

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Thu 8/20

1:30 pm-9:15 pm

2 stops10h 45m

Seattle/Tacoma Intl

Tue 8/25

7:10 am-7:50 pm

1 stop9h 40m

$246

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Tue 8/18

7:25 am-1:00 pm

1 stop8h 35m

Seattle/Tacoma Intl

Tue 8/25

11:59 pm-12:36 pm

1 stop9h 37m

$249

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Tue 6/23

8:42 pm-12:41 am

1 stop6h 59m

Seattle/Tacoma Intl

Fri 7/3

7:26 am-7:24 pm

1 stop8h 58m

$273

Fort WayneSeattle

FWA - SEA

FWASEA

Fort Wayne

Wed 9/23

7:33 am-3:17 pm

1 stop10h 44m

Seattle/Tacoma Intl

Wed 10/7

6:23 am-4:59 pm

1 stop7h 36m

$285

Fort WayneSeattle

FWA - SEA

FWASEA

Fort Wayne

Sat 11/14

4:30 pm-10:59 pm

2 stops9h 29m

Seattle/Tacoma Intl

Sun 11/15

11:50 pm-9:55 am

1 stop7h 05m

$322

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Fri 8/7

9:57 pm-9:17 am

1 stop13h 20m

Seattle/Tacoma Intl

Sun 8/9

10:34 am-6:17 am

1 stop17h 43m

$341

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Tue 9/8

9:48 pm-12:27 am

1 stop28h 39m

Seattle/Tacoma Intl

Sat 9/12

9:16 pm-5:42 am

1 stop30h 26m

$343

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sat 9/26

3:22 pm-10:56 pm

2 stops10h 34m

Seattle/Tacoma Intl

Sat 10/3

1:56 pm-11:43 pm

1 stop6h 47m

$344

Quickest round-trip

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Tue 7/7

8:20 pm-11:04 pm

Nonstop4h 44m

Seattle/Tacoma Intl

Sat 7/11

8:13 pm-5:37 am

1 stop7h 24m

$346

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Tue 6/30

7:20 am-10:35 am

1 stop29h 15m

Seattle/Tacoma Intl

Fri 7/3

6:00 am-12:03 pm

Nonstop4h 03m

$348

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Indiana 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

Prices

Airlines

Other information

What is the cheapest month to fly to Seattle?

In general, November is the cheapest month to fly from Indiana to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $89. If you don’t want to visit Seattle in November, then you should wait until December to fly from Indiana, when ticket prices are also cheap, with an average price of $96.

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

On average, the least expensive day to fly to Seattle from Indiana is on a Friday. momondo users have found tickets for Friday departures for as low as $454. 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 Indiana because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $546.

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

Flying to Seattle from Indiana in the evening is the least expensive time of day to depart. momondo users have found prices as low as $462 when looking at flights departing in the evening. Flights to Seattle are more costly in the afternoon, with an average ticket price of $490. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

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

You are more likely to see cheaper flights to Seattle from Indiana when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $344 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Indiana for as low as $318 on momondo.

What cabin class options are available on Indiana to Seattle flights?

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

Can stopping save me money on Indiana to Seattle flights?

You could potentially save up to 16% on your flight if you consider stops on a Indiana to Seattle flight.

Cheap Indiana to Seattle flight deals and tips

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

Best Price Found	$288
Fastest flight time	4h 25m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from Indiana in the past 72 hours is $288. The best round-trip flight deal from Indiana to Seattle found on momondo in the last 72 hours is $480.

The fastest flight from Indiana to Seattle takes 4h 25m

Direct flights go from Indiana to Seattle every day.

There is 1 airport in Seattle. From Indiana there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

Frequently asked questions about flying from Indiana to Seattle

When did momondo last update prices for flights from Indiana to Seattle/Tacoma Intl Airport?
Prices for flights from Indiana to Seattle/Tacoma Intl Airport are updated daily.
How many operators does momondo search for flights from Indiana to Seattle/Tacoma Intl Airport?
As of May 2026, there are 7 operators available to choose from for flights from Indiana to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Indiana 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 Indiana 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 Indiana to Seattle?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Indiana to Seattle is Boeing 737 (55.70% of total bookings). The next most popular plane models are Boeing 737-900 Passenger/BBJ3 (winglets) (14.25%), Boeing 737-800 Passenger/BBJ2 (winglets) (9.21%), and Boeing 737 MAX 9 (8.11%).

Best airlines flying from Indiana to Seattle

Compare and see reviews for airlines that fly from Indiana to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $100	Free Cancellation	Rating 5.6 2,925 reviews	Search Frontier flights
Delta	PriceFrom $101	Free Cancellation	Rating 7.9 8,410 reviews	Search Delta flights
American Airlines	PriceFrom $159	Free Cancellation	Rating 7.1 11,643 reviews	Search American Airlines flights
Hawaiian Airlines	PriceFrom $165	Free Cancellation	Rating 7.8 2,833 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $188	Free Cancellation	Rating 8.0 4,258 reviews	Search Southwest flights
United Airlines	PriceFrom $236	Free Cancellation	Rating 7.4 9,769 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $237	Free Cancellation	Rating 7.9 12,440 reviews	Search Alaska Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Redmond

Kent

Lakewood

Puyallup

Tukwila

Marysville

Cle Elum

Federal Way

Fife

Centralia

Shoreline

Westport

Tumwater

Why use momondo?

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

It is quick and easy to find Indiana to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

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

All flight searches from Indiana to Seattle on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Indiana to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Indiana 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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Airports servicing Washington

Walla Walla Airport

Bellingham Airport

Wenatchee Pangborn Field Airport

Eastsound Orcas Island Airport

Friday Harbor SPB Airport

Spokane Airport

Kenmore Air Harbor Airport

Pasco Tri Cities Airport

Pullman Moscow Regional Airport

Rosario SPB Airport

Yakima Air Terminal Airport

Cheap flights from Indiana to Seattle from $125

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Indiana to Seattle departing on 7/21. 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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Delta flights from Indiana to Seattle

Our best Delta deals on Indiana to Seattle flight tickets

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How to get the cheapest flight ticket from Indiana to Seattle

What is the cheapest month to fly to Seattle?

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

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

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

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

What cabin class options are available on Indiana to Seattle flights?

Can stopping save me money on Indiana to Seattle flights?

What is the cheapest airline that flies from Indiana to Seattle/Tacoma Intl?

What airlines fly to Seattle?

How many flights depart from Indiana to Seattle on average per day?

How many flights depart from Indiana to Seattle on average per week?

How long does it take to fly to Seattle?

Cheap Indiana to Seattle flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Seattle

Frequently asked questions about flying from Indiana to Seattle

Best airlines flying from Indiana to Seattle

Compare and see reviews for airlines that fly from Indiana to Seattle with momondo

Traveling to a place near Seattle?

Why use momondo?

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington

Fly your favorite airline to Seattle

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seattle

List of cabin classes available on flights landing in Seattle. Availability may vary depending on flight origin and airline.

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