Cheap flights from South Dakota to Seattle from $143
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South Dakota to Seattle departing on 6/23. 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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How to get the cheapest flight ticket from South Dakota 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 cheapest month to fly to Seattle?
In general, October is the cheapest month to fly from South Dakota to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $348. If you don’t want to visit Seattle in October, then you should wait until January to fly from South Dakota, when ticket prices are also cheap, with an average price of $381.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from South Dakota is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $550. 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 South Dakota because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $754.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from South Dakota at noon is the least expensive time of day to depart. momondo users have found prices as low as $527 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $594. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from South Dakota when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $510 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from South Dakota for as low as $430 on momondo.
What is the cheapest airline that flies from South Dakota to Seattle/Tacoma Intl?
Sun Country Air, Frontier, and American Airlines are the most popular carriers operating from South Dakota to Seattle/Tacoma Intl
What airlines fly to Seattle?
United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Seattle from South Dakota according to our data. United Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 4 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
Cheap South Dakota to Seattle flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from South Dakota to Seattle
When did momondo last update prices for flights from South Dakota to Seattle/Tacoma Intl Airport?
Prices for flights from South Dakota to Seattle/Tacoma Intl Airport are updated daily.
How many operators does momondo search for flights from South Dakota to Seattle/Tacoma Intl Airport?
The number of operators available for flights from South Dakota to Seattle/Tacoma Intl Airport is 4 as of May 2025.
How old do you have to be to fly from South Dakota to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Dakota 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.
Best airlines flying from South Dakota to Seattle
Compare and see reviews for airlines that fly from South Dakota to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $138 | Free Cancellation | Rating 5.9 3,288 reviews | |||
| PriceFrom $238 | Free Cancellation | Rating 8.0 7,941 reviews | |||
| PriceFrom $268 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $339 | Free Cancellation | Rating 7.4 8,701 reviews |
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Why should I use momondo to find a flight deal from South Dakota to Seattle?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from South Dakota to Seattle. momondo saves you time and could save you money on your trip.
Can I find flights from South Dakota to Seattle with flexible booking policies on momondo?
All flight searches from South Dakota to Seattle on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from South Dakota to Seattle?
Once all potential South Dakota 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 South Dakota to Seattle right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from South Dakota and alert you when they change.