Cheap flights from Indianapolis to Seattle from $91
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 9/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Indianapolis to Seattle
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
United Airlines flights from Indianapolis to Seattle
Our best United Airlines deals on Indianapolis to Seattle flight tickets
Frontier flights from Indianapolis to Seattle
Our best Frontier deals on Indianapolis to Seattle flight tickets
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, 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 April to fly from Indianapolis, when ticket prices are also cheap, with an average price of $320.
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 $433. 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 $518.
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 $498. 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 14 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $364 when searching 14 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 $331 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.
What is the cheapest airline that flies from Indianapolis to Seattle/Tacoma Intl?
Delta, United Airlines, and Southwest are the most popular carriers operating from Indianapolis to Seattle/Tacoma Intl
What airlines fly to Seattle?
Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to Seattle from Indianapolis according to our data. Alaska Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 9 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
How many flights depart from Indianapolis to Seattle on average per day?
The number of flights available between Indianapolis and Seattle is 2 per day as of June 2025. The most frequent departure time is 6:00PM, with 54% of daily flights leaving in the evening.
How many flights depart from Indianapolis to Seattle on average per week?
18 flights are operational weekly from Indianapolis to Seattle as of June 2025. The most popular departure day for this route is Wed, with 44% of flights per week taking off on this day.
When to book flights from Indianapolis to Seattle
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
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 38m, 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?
There are 9 operators available for flights from Indianapolis Airport to Seattle/Tacoma Intl Airport as of June 2025.
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?
Based on momondo bookings for flights between Indianapolis and Seattle, the leading plane model is Boeing 737, making up 45.24% of the total bookings. Other popular models include Boeing 737 MAX 9 with 35.39%, Boeing 737-900 Passenger/BBJ3 (winglets) with 11.23%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 5.56%.
What is the most popular airline from Indianapolis to Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Indianapolis to Seattle is Alaska Airlines (54% of total bookings). The next most popular airlines are American Airlines (16%), Delta (13%), and United Airlines (7%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $82 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $127 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $195 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $212 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $216 | Free Cancellation | Rating 7.8 2,494 reviews | |||
| PriceFrom $220 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $222 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $258 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $275 | Free Cancellation | Rating 6.9 345 reviews |
Alaska Airlines Flights From Indianapolis to Seattle
Alaska Airlines is one of the most popular airlines flying from Indianapolis to Seattle, operating 3 flights/week on average for this route. A good Alaska Airlines flight deal for Indianapolis to Seattle starts from $258 round-trip, up to an average price of $407. 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 $216, round-trip. It should be noted that an average Hawaiian Airlines flight deal for this route in this time was higher, at $382 round-trip. Hawaiian Airlines operates 4 flights out of Indianapolis into Seattle in an average week, so prices vary by time and availability. 2,494 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 locationsWhy 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.