$86 Cheap United flights from Indianapolis to Seattle (IND to SEA)

Find The Best Day To Fly from Indianapolis to Seattle

Amazing United IND to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $175 round trip and $86 one way. Prices and availability subject to change. Additional terms may apply.

SEA From IND Economy Coach Packages on Similar Airlines

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Frequently asked questions

Can I catch a flight from Indianapolis Airport to SEA right now?
For information on any present Seattle - Tacoma Intl. Airport (SEA) travel advice and quarantine requirements, go to the Covid-19 Travel Advisor. Check before you arrange your flight, so you don’t get caught up en route.
What terminal is United Airlines at Indianapolis Intl. Airport (IND)?
Once you’re issued with the boarding pass for your United Airlines flight from Indianapolis Airport to SEA, you should be able to determine which terminals you’ll be flying in and out of. Your airline will have the answers if you can’t find those details on your ticket.
Are there United Airlines non-stop flights from IND to SEA?
United Airlines doesn’t provide direct flights between IND and Sea-Tac Airport, so plan to make at least one stopover. If you’ve got time between flights, browse the airport shops while waiting for your connection.
How long is a United Airlines flight from IND to SEA?
Depending on good weather and no delays, your United Airlines flight from IND to SEA should take on average 6 hours and 4 minutes. You’ll have ample time to order a glass of wine, get some sleep and go over your travel itinerary before you disembark.
How many direct and indirect flights does United Airlines fly from IND to SEA?
United Airlines has approximately 4 flights daily from Indianapolis Airport to SEA.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Sea-Tac Airport, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from Indianapolis IND to Seattle SEA 

To find the best deals on flights to Indianapolis from Seattle with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Indianapolis IND to Seattle SEA with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $175 to $234, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Indianapolis IND to Seattle SEA 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Indianapolis to Seattle costs from $86. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Seattle SEA from  Indianapolis IND with United 

To find a cheap United flight from Indianapolis IND to Seattle SEA, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Indianapolis IND to Seattle SEA 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as July, or if you book a flight with a stopover. 

 

Find nonstop flights from Indianapolis IND to Seattle SEA with United 

If you’re keen to be on Seattle soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Indianapolis IND to Seattle SEA 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Seattle SEA from  Indianapolis IND with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

Travelers ❤️ these 🏨 after their flight to Seattle

Coast Gateway Hotel
Coast Gateway Hotel
3.5 out of 5
18415 International Blvd, SeaTac, WA
This hotel features a restaurant, a gym, and a bar/lounge. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public areas, and ...
9.2/10 Wonderful! (7,213 reviews)
"Good Breakfast ."

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Coast Gateway Hotel
Red Roof Inn Seattle Airport - SEATAC
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2 out of 5
16838 International Boulevard, SeaTac, WA
A gym, self parking, and laundry facilities are featured at this hotel. Guests will appreciate perks like free WiFi and a free airport shuttle. There's a safe ...
7.8/10 Good! (4,167 reviews)
Great stay for early flights
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Reviewed on May 8, 2025

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Hilton Seattle Airport & Conference Center
Hilton Seattle Airport & Conference Center
4 out of 5
17620 International Blvd, SeaTac, WA
This hotel features a restaurant, an outdoor pool, and a bar/lounge. Enjoy the 24-hour gym and perks like free WiFi and a free airport shuttle. Enjoy the hot ...
8.2/10 Very Good! (1,016 reviews)
"We had trouble with the TV remote but otherwise the stay was great,"

Reviewed on May 3, 2025

Hilton Seattle Airport & Conference Center
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.