$261 Cheap Flights from Seattle (SEA) to Pierre (PIR)

View $261 flight on Mon, Dec 1, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Pierre, SD (PIR-Pierre Regional)

Cheap Flights from Seattle to Pierre (SEA-PIR)

Prices were available within the past 7 days and start at $261 for one-way flights and $304 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Nov 14 - Mon, Nov 17
SEA
Seattle
PIR
Pierre
$304 Roundtrip, found 5 hours ago
$304
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Nov 14 from Seattle to Pierre, returning Mon, Nov 17, priced at $304 found 5 hours ago
United
Thu, Dec 18 - Sun, Dec 21
SEA
Seattle
PIR
Pierre
$313 Roundtrip, found 17 hours ago
$313
Roundtrip
found 17 hours ago
Select United flight, departing Thu, Dec 18 from Seattle to Pierre, returning Sun, Dec 21, priced at $313 found 17 hours ago
United
Sat, Nov 15 - Fri, Nov 21
SEA
Seattle
PIR
Pierre
$319 Roundtrip, found 17 hours ago
$319
Roundtrip
found 17 hours ago
Select United flight, departing Sat, Nov 15 from Seattle to Pierre, returning Fri, Nov 21, priced at $319 found 17 hours ago
United
Fri, Nov 14 - Mon, Nov 17
SEA
Seattle
PIR
Pierre
$322 Roundtrip, found 5 hours ago
$322
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Nov 14 from Seattle to Pierre, returning Mon, Nov 17, priced at $322 found 5 hours ago
United
Fri, Nov 14 - Mon, Nov 17
SEA
Seattle
PIR
Pierre
$326 Roundtrip, found 5 hours ago
$326
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Nov 14 from Seattle to Pierre, returning Mon, Nov 17, priced at $326 found 5 hours ago
United
Sat, Nov 15 - Fri, Nov 21
SEA
Seattle
PIR
Pierre
$329 Roundtrip, found 17 hours ago
$329
Roundtrip
found 17 hours ago
Select United flight, departing Sat, Nov 15 from Seattle to Pierre, returning Fri, Nov 21, priced at $329 found 17 hours ago
United
Thu, Dec 18 - Sun, Dec 21
SEA
Seattle
PIR
Pierre
$334 Roundtrip, found 17 hours ago
$334
Roundtrip
found 17 hours ago
Select United flight, departing Thu, Dec 18 from Seattle to Pierre, returning Sun, Dec 21, priced at $334 found 17 hours ago
United
Wed, Nov 12 - Fri, Nov 21
SEA
Seattle
PIR
Pierre
$364 Roundtrip, found 19 hours ago
$364
Roundtrip
found 19 hours ago
Select United flight, departing Wed, Nov 12 from Seattle to Pierre, returning Fri, Nov 21, priced at $364 found 19 hours ago
United
Sat, Nov 15 - Sun, Nov 16
SEA
Seattle
PIR
Pierre
$374 Roundtrip, found 5 hours ago
$374
Roundtrip
found 5 hours ago
Select United flight, departing Sat, Nov 15 from Seattle to Pierre, returning Sun, Nov 16, priced at $374 found 5 hours ago
United
Wed, Nov 12 - Fri, Nov 21
SEA
Seattle
PIR
Pierre
$374 Roundtrip, found 19 hours ago
$374
Roundtrip
found 19 hours ago
Select United flight, departing Wed, Nov 12 from Seattle to Pierre, returning Fri, Nov 21, priced at $374 found 19 hours ago

Alternative airports near Pierre

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Pierre Regional PIR. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $304
PIR
Pierre Regional
CheapestClosest
Average driving time to city center7 min
Flights from $304
Flights from Seattle (SEA) to Pierre (PIR)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Pierre Regional
Airlines serving
United
Roundtrip price
$303
Distance
1074 mi

Seattle to Pierre Flights

The cheapest times to fly from Seattle to Pierre

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Pierre are during the month of November. You can find some of the cheapest flights from Seattle to Pierre with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Pierre

Sunday is one of the best days to book for cheap flights from Seattle to Pierre: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Pierre

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Pierre in 2025. You can also book with separate airlines for your outbound and return journeys, from $261 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Pierre flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Pierre airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Pierre Regional Airport (PIR) cost?
Secure a cheap one-way flight from $261 or cheap return flight from $304 from Seattle - Tacoma Intl. Airport (SEA) to Pierre Regional Airport (PIR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Pierre Regional Airport (PIR)?
Traveling in November may help you find better deals, as it's the cheapest month for flights between SEA and PIR. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Pierre Regional Airport (PIR)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SEA to PIR flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Pierre Regional Airport (PIR)?
Nonstop flights from Seattle - Tacoma Intl. Airport (SEA) to Pierre Regional Airport (PIR) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SEA to PIR?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Pierre Regional Airport (PIR)?
Select a flight from Seattle - Tacoma Intl. Airport (SEA) to Pierre Regional Airport (PIR) that leaves before 3 PM to reduce the risk of delays and cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Pierre Regional Airport (PIR) last-minute?
Last-minute fares from SEA to PIR are usually more expensive. To secure the cheapest rates, start searching for flights well in advance. That said, if your travel plans are flexible, it's possible to find a cheap fare right before you leave.
Is it cheaper to book a SEA to PIR flight and hotel package?
Compared with arranging hotels and flights separately, booking a SEA to PIR flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one convenient place will take the stress out of planning your trip. Simply secure your flights and select from our wide range of stays, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Pierre Regional Airport (PIR)?
Generally, it's possible to cancel or reschedule your SEA to PIR flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.