Cheap flights from Portland, Maine to South Dakota from $181
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, Maine to South Dakota departing on 9/23. 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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United Airlines flights from Portland, Maine to South Dakota
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American Airlines flights from Portland, Maine to South Dakota
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How to get the cheapest flight ticket from Portland, Maine 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 day to depart on your flight to South Dakota?
The cheapest day to depart from Portland, Maine to South Dakota is on a Saturday. Travelers who choose to depart for South Dakota on a Saturday will often find tickets for as low as $518. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $773. 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 morning when flights can be purchased for as low as $618. In the afternoon is when there is more demand to fly to South Dakota, so prices are often more expensive at around $658 per ticket.
What is the cheapest airline that flies from Portland to South Dakota?
American Airlines, Delta, and United Airlines are the most popular carriers operating from Portland to South Dakota
What airlines fly to South Dakota?
American Airlines, United Airlines and Delta are the top three most popular airlines that fly to South Dakota from Portland, Maine according to our data. American Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to South Dakota. Keep in mind that there are 3 different airlines that fly to South Dakota on a routine basis, so you have a few additional options to choose from.
Cheap Portland, Maine to South Dakota flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland, Maine 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 are updated daily.
How many operators does momondo search for flights from Portland Airport to South Dakota?
There are 2 operators available for flights from Portland Airport to South Dakota as of June 2025.
How old do you have to be to fly from Portland Airport to South Dakota?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to South Dakota.
What documentation or ID do you need to fly to South Dakota?
The travel and health documents required for your trip to South Dakota can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at South Dakota. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Portland, Maine to South Dakota
Compare and see reviews for airlines that fly from Portland, Maine to South Dakota with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $268 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $350 | Free Cancellation | Rating 7.4 8,790 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Portland to South Dakota?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to South Dakota. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Portland to South Dakota with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to South Dakota from Portland with this policy.
How can momondo help me find flights from Portland to South Dakota?
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 Portland to South Dakota.
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.