What’s the cheapest layover airport for flights from Seattle to Indianapolis?

Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of C$ 297.

What’s the fastest layover option from Seattle to Indianapolis?

Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 7h 03m.

Which airport typically offers the quickest layover for flights from Seattle to Indianapolis?

Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 56m.

What’s the top layover airport for flights from Seattle to Indianapolis?

Denver (DEN) – chosen by Cheapflights users on 80% of one-stop itineraries from Seattle to Indianapolis on Cheapflights.

How popular is this Seattle to Indianapolis flight route?

This flight path from Seattle/Tacoma Intl to Indianapolis was viewed by 7 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What is the cheapest airline to fly from Seattle to Indianapolis round-trip?

According to our current data, Alaska Airlines (C$ 376), offers the cheapest pricing from Seattle to Indianapolis. Alaska Airlines is 26% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

Weekly flight availability from Seattle to Indianapolis

The most flights from SEA to IND are scheduled on a Friday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

In terms of precipitation, rainfall in Indianapolis ranges from 58.0 - 130.0 mm per month. May is typically the wettest month, when rainfall can reach 130.0 mm. February is typically the driest time to visit Indianapolis when rainfall is around 58.0 mm.

If weather is an important factor for your trip to Indianapolis, 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 24.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -2.0 C).

What are the most reliable airlines from Seattle to Indianapolis?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seattle to Indianapolis on time: Finnair (66%), American Airlines (59%), Alaska Airlines (56%).

What is the cheapest day to fly round-trip from Seattle to Indianapolis?

Travellers have found that booking a Sunday departure is the best way to save up to 36% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Travellers have found it’s best to book a flight 42 days in advance to save up to 54% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 42 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Indianapolis 1-2 weeks in advance for as low as C$ 465, or C$ 612 for flights within the next 24 hours.

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

The best pricing can be found in the month of February. Prices to Indianapolis from Seattle average C$ 511. You can even find prices in February for less than C$ 511, as users have found deals to Indianapolis from as low as C$ 299. The month of December appears to be one of the more expensive times to travel to Indianapolis from Seattle. Flying in the targeted month can save you up to 19%.

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

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

How can I find direct flights from Seattle to Indianapolis?

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

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

Yes. Cheapflights offers flight deals from Seattle to Indianapolis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Find Cheap Flights from Seattle to Indianapolis

Cheap flight deals from Seattle to Indianapolis

Popular in	December
Cheapest in	February
Average price	C$ 480

Highest demand for flights based on searches. 6% potential increase in price (C$ 45 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

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Best time to book a flight from Seattle to Indianapolis

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

Prices

Airlines

How far ahead should I book a flight from Seattle to Indianapolis?

Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Indianapolis. 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 Seattle to Indianapolis?

Currently, January is the cheapest month in which you can book a flight from Seattle to Indianapolis (average of C$ 414). Flying from Seattle to Indianapolis in July is currently the most expensive (average of C$ 510). 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 SEA to IND?

One of the essential ways to save on airfare from Seattle to Indianapolis is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 76% on airfare.

Reviews of airlines servicing Indianapolis

Check out reviews from past customers who have flown with Alaska Airlines from Seattle to Indianapolis to help guide your decision. 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

Check prices

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

How popular is this Seattle to Indianapolis flight route?
This flight path from Seattle/Tacoma Intl to Indianapolis was viewed by 7 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What is the cheapest airline to fly from Seattle to Indianapolis round-trip?
According to our current data, Alaska Airlines (C$ 376), offers the cheapest pricing from Seattle to Indianapolis. Alaska Airlines is 26% cheaper than the average price of flights available within the next 90 days to this destination.
What are the most reliable airlines from Seattle to Indianapolis?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seattle to Indianapolis on time: Finnair (66%), American Airlines (59%), Alaska Airlines (56%).
Can I find deals for flights from Seattle to Indianapolis that include hotel bookings?
Yes. In addition to deals on Seattle to Indianapolis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Indianapolis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Indianapolis.
Can I find deals for business class flights from Seattle to Indianapolis?
Yes. Cheapflights offers flight deals from Seattle to Indianapolis 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 Seattle to Indianapolis?
Currently, January is the cheapest month in which you can book a flight from Seattle to Indianapolis (average of C$ 414). Flying from Seattle to Indianapolis in July is currently the most expensive (average of C$ 510). 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.

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Top airline flying from Seattle to Indianapolis

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	CheapestC$ 376	AverageC$ 585	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights

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How does Cheapflights help users find flights from Seattle to Indianapolis?

Cheapflights makes it easy to find Seattle to Indianapolis flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Indianapolis?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle to Indianapolis for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Seattle to Indianapolis with no change fees?

Yes, we can. To see specific flights from Seattle to Indianapolis with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Seattle to Indianapolis become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Seattle to Indianapolis

Cheap flight deals from Seattle to Indianapolis

Popular in

Cheapest in

Average price

Best time to book a flight from Seattle to Indianapolis

Have a flexible travel schedule? Discover the best time to fly to Indianapolis from Seattle with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Indianapolis

How far ahead should I book a flight from Seattle to Indianapolis?

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

What is the cheapest time of day to fly from SEA to IND?

Weekly flight availability from Seattle to Indianapolis

What’s the top layover airport for flights from Seattle to Indianapolis?

What’s the fastest layover option from Seattle to Indianapolis?

What’s the fastest layover option from Seattle to Indianapolis?

Which airport typically offers the quickest layover for flights from Seattle to Indianapolis?

Reviews of airlines servicing Indianapolis

Check out reviews from past customers who have flown with Alaska Airlines from Seattle to Indianapolis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How popular is this Seattle to Indianapolis flight route?

What is the cheapest airline to fly from Seattle to Indianapolis round-trip?

What are the most reliable airlines from Seattle to Indianapolis?

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

How can I find direct flights from Seattle to Indianapolis?

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

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

Travelling to a place near Indianapolis?

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Alternative routes for Seattle to Indianapolis

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Top airline flying from Seattle to Indianapolis

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How does Cheapflights help users find flights from Seattle to Indianapolis?

Why should you use Cheapflights to find cheap flight tickets from Seattle to Indianapolis?

Can Cheapflights find flights from Seattle to Indianapolis with no change fees?

Can Cheapflights notify me if prices for flights from Seattle to Indianapolis become cheaper?

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