Cheap flights from Portland to South Dakota from $82
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to South Dakota departing on 7/31. 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 Portland to South Dakota
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 South Dakota?
The month of January is, on average, the cheapest month to fly to South Dakota from Portland, with most prices found around $288. If you aren’t able to travel to South Dakota during the month of January, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $303.
What is the cheapest day to depart on your flight to South Dakota?
The cheapest day to depart from Portland to South Dakota is on a Tuesday. Travelers who choose to depart for South Dakota on a Tuesday will often find tickets for as low as $392. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $553. These prices are subject to change though, so be sure to set up a Price Alert for flights to South Dakota.
What is the cheapest time of day to depart on your flight to South Dakota?
The cheapest time of day to fly to South Dakota is in the evening when flights can be purchased for as low as $373. In the morning is when there is more demand to fly to South Dakota, so prices are often more expensive at around $500 per ticket.
How far in advance should I book a flight to South Dakota?
You are more likely to see cheaper flights to South Dakota from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to South Dakota for around $407 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Dakota from Portland for as low as $316 on momondo.
What is the cheapest airline that flies from Portland to South Dakota?
Frontier, Sun Country Air, and United Airlines are the most popular carriers operating from Portland to South Dakota
What airlines fly to South Dakota?
United Airlines, American Airlines and Delta are the top three most popular airlines that fly to South Dakota from Portland according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to South Dakota. Keep in mind that there are 5 different airlines that fly to South Dakota on a routine basis, so you have a few additional options to choose from.
Cheap Portland to South Dakota flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland to South Dakota
When did momondo last update prices for flights from Portland Airport to South Dakota?
Prices for flights from Portland Airport to South Dakota were last updated today.
How many operators does momondo search for flights from Portland Airport to South Dakota?
As of July 2025, there are 5 operators available to choose from for flights from Portland Airport to South Dakota.
How old do you have to be to fly from Portland Airport to South Dakota?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to South Dakota.
What documentation or ID do you need to fly to South Dakota?
The necessary travel and health documents for your South Dakota trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Portland to South Dakota
Compare and see reviews for airlines that fly from Portland to South Dakota with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $130 | Free Cancellation | Rating 5.9 3,291 reviews | |||
| PriceFrom $238 | Free Cancellation | Rating 8.0 7,973 reviews | |||
| PriceFrom $257 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $259 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $293 | Free Cancellation | Rating 7.4 8,858 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Portland to South Dakota?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to South Dakota from Portland.
Can I find flights from Portland to South Dakota with flexible booking policies on momondo?
Flights from Portland to South Dakota with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Portland to South Dakota?
Once you have performed a search for Portland to South Dakota flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Portland to South Dakota right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Portland to South Dakota flights. All you need is a valid email address and we will do the rest; it is that quick and easy.