Cheap flights from South Dakota to Portland from $110
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 Portland departing on 7/13. 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 Portland
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 Portland?
The cheapest month to fly to Portland from South Dakota is in September. Flight prices, which tend to average around $288, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in September, then you should wait until February to fly from South Dakota, when ticket prices are also cheap, with an average price of $298.
What is the cheapest day to depart on your flight to Portland?
The cheapest day to depart on your flight to Portland is on a Friday when prices can be found for as low as $293. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Sunday, with ticket prices averaging around $721.
What is the cheapest time of day to depart on your flight to Portland?
The cheapest time of day to fly to Portland is in the afternoon when flights can be purchased for as low as $293. In the morning is when there is more demand to fly to Portland, so prices are often more expensive at around $488 per ticket.
How far in advance should I book a flight to Portland?
You are more likely to see cheaper flights to Portland from South Dakota when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $389 when searching 17 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from South Dakota for as low as $251 on momondo.
What is the cheapest airline that flies from South Dakota to Portland?
United Airlines, Sun Country Air, and Frontier are the most popular carriers operating from South Dakota to Portland
What airlines fly to Portland?
United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Portland from South Dakota according to our data. United Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 4 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.
Cheap South Dakota to Portland flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from South Dakota to Portland
When did momondo last update prices for flights from South Dakota to Portland Airport?
Prices for flights from South Dakota to Portland Airport are updated daily.
How many operators does momondo search for flights from South Dakota to Portland Airport?
As of June 2025, there are 4 operators available to choose from for flights from South Dakota to Portland Airport.
How old do you have to be to fly from South Dakota to Portland 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 Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The necessary travel and health documents for your Portland Airport 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 South Dakota to Portland
Compare and see reviews for airlines that fly from South Dakota to Portland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $130 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $249 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $268 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $268 | Free Cancellation | Rating 7.4 8,790 reviews |
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Why should I use momondo to find a flight deal from South Dakota to Portland?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from South Dakota to Portland. momondo saves you time and could save you money on your trip.
Can I find flights from South Dakota to Portland with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for South Dakota to Portland flights to just show those with flexible booking policies.
How can momondo help me find flights from South Dakota to Portland?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from South Dakota to Portland.
I’m not ready to book a flight from South Dakota to Portland right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Portland, momondo offers a useful price alert feature which will track prices for flights to Portland from South Dakota and alert you when they change.