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 49% of people opting to fly with this airline when traveling to South Dakota. Keep in mind that there are 4 different airlines that fly to South Dakota on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Portland to South Dakota?

Frontier, Delta, and United Airlines are the most popular carriers operating 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 June 2026, there are 4 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.

$147 Cheap Flights from Portland to South Dakota in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to South Dakota

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:00 pm - 10:51 pm

PDX

FSD

5h 51m

1 stop

1:05 pm - 5:31 pm

FSD

PDX

6h 26m

1 stop

$291Delta

Sat, Sep 5 - Sat, Sep 12

5:20 am - 1:43 pm

PDX

FSD

6h 23m

1 stop

5:34 pm - 10:51 pm

FSD

PDX

7h 17m

1 stop

$310American Airlines

Sat, Jul 4 - Fri, Jul 10

5:20 am - 12:10 pm

PDX

RAP

5h 50m

1 stop

4:55 pm - 12:55 am

RAP

PDX

9h 00m

1 stop

$319American Airlines

Wed, Jul 15 - Wed, Jul 29

3:31 pm - 11:57 pm

PDX

FSD

6h 26m

1 stop

5:34 pm - 12:55 am

FSD

PDX

9h 21m

1 stop

$329American Airlines

Thu, Jul 30 - Mon, Aug 3

3:31 pm - 11:57 pm

PDX

FSD

6h 26m

1 stop

5:34 pm - 10:51 pm

FSD

PDX

7h 17m

1 stop

$339American Airlines

Fri, Jul 10 - Sun, Jul 19

3:00 pm - 11:06 pm

PDX

FSD

6h 06m

1 stop

1:13 pm - 5:35 pm

FSD

PDX

6h 22m

1 stop

$341Delta

Wed, Jul 15 - Sat, Jul 18

4:07 pm - 11:44 pm

PDX

FSD

5h 37m

1 stop

5:05 pm - 10:53 pm

FSD

PDX

7h 48m

1 stop

$353United Airlines

Fri, Sep 11 - Sun, Sep 13

5:20 am - 1:43 pm

PDX

FSD

6h 23m

1 stop

5:27 pm - 12:55 am

FSD

PDX

9h 28m

1 stop

$360American Airlines

Sat, Jul 4 - Sat, Jul 11

3:31 pm - 11:57 pm

PDX

FSD

6h 26m

1 stop

5:34 pm - 12:55 am

FSD

PDX

9h 21m

1 stop

$361American Airlines

Fri, Jul 17 - Wed, Jul 22

5:00 am - 12:24 pm

PDX

RAP

6h 24m

1 stop

5:00 am - 9:32 am

RAP

PDX

5h 32m

1 stop

$399United Airlines

Tue, Aug 25 - Sat, Aug 29

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Delta flights from Portland to South Dakota

Our best Delta deals on Portland to South Dakota flight tickets

Delta

Sep 5

PDX3:00 pmPortland

5h 51m

1 stop

FSD10:51 pmSioux Falls Joe Foss Field

Sep 12

FSD1:05 pmSioux Falls Joe Foss Field

6h 26m

1 stop

PDX5:31 pmPortland

$291

Delta

Jul 15

PDX3:00 pmPortland

6h 06m

1 stop

FSD11:06 pmSioux Falls Joe Foss Field

Jul 18

FSD1:13 pmSioux Falls Joe Foss Field

6h 22m

1 stop

PDX5:35 pmPortland

$341

Delta

Jul 7

PDX3:00 pmPortland

6h 06m

1 stop

FSD11:06 pmSioux Falls Joe Foss Field

Jul 11

FSD10:53 amSioux Falls Joe Foss Field

8h 42m

1 stop

PDX5:35 pmPortland

$394

United Airlines flights from Portland to South Dakota

Our best United Airlines deals on Portland to South Dakota flight tickets

United Airlines

Sep 11

PDX4:07 pmPortland

5h 37m

1 stop

FSD11:44 pmSioux Falls Joe Foss Field

Sep 13

FSD5:05 pmSioux Falls Joe Foss Field

7h 48m

1 stop

PDX10:53 pmPortland

$353

United Airlines

Aug 25

PDX4:05 pmPortland

5h 39m

1 stop

FSD11:44 pmSioux Falls Joe Foss Field

Aug 29

FSD6:00 amSioux Falls Joe Foss Field

5h 32m

1 stop

PDX9:32 amPortland

$381

United Airlines

Aug 25

PDX2:27 pmPortland

6h 55m

1 stop

FSD11:22 pmSioux Falls Joe Foss Field

Aug 29

FSD7:47 amSioux Falls Joe Foss Field

9h 18m

2 stops

PDX3:05 pmPortland

$386

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Sat 9/5

3:00 pm-10:51 pm

1 stop5h 51m

Sioux Falls Joe Foss Field

Sat 9/12

1:05 pm-5:31 pm

1 stop6h 26m

$291

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Sat 7/4

5:20 am-1:43 pm

1 stop6h 23m

Sioux Falls Joe Foss Field

Fri 7/10

5:34 pm-10:51 pm

1 stop7h 17m

$310

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Wed 7/15

5:20 am-12:10 pm

1 stop5h 50m

Rapid City

Wed 7/29

4:55 pm-12:55 am

1 stop9h 00m

$319

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Thu 7/30

3:31 pm-11:57 pm

1 stop6h 26m

Sioux Falls Joe Foss Field

Mon 8/3

5:34 pm-12:55 am

1 stop9h 21m

$329

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Fri 7/10

3:31 pm-11:57 pm

1 stop6h 26m

Sioux Falls Joe Foss Field

Sun 7/19

5:34 pm-10:51 pm

1 stop7h 17m

$339

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Wed 7/15

3:00 pm-11:06 pm

1 stop6h 06m

Sioux Falls Joe Foss Field

Sat 7/18

1:13 pm-5:35 pm

1 stop6h 22m

$341

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Fri 9/11

4:07 pm-11:44 pm

1 stop5h 37m

Sioux Falls Joe Foss Field

Sun 9/13

5:05 pm-10:53 pm

1 stop7h 48m

$353

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Sat 7/4

5:20 am-1:43 pm

1 stop6h 23m

Sioux Falls Joe Foss Field

Sat 7/11

5:27 pm-12:55 am

1 stop9h 28m

$360

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Fri 7/17

3:31 pm-11:57 pm

1 stop6h 26m

Sioux Falls Joe Foss Field

Wed 7/22

5:34 pm-12:55 am

1 stop9h 21m

$361

Quickest round-trip

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Tue 8/25

5:00 am-12:24 pm

1 stop6h 24m

Rapid City

Sat 8/29

5:00 am-9:32 am

1 stop5h 32m

$399

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to South Dakota?

The month of July is, on average, the cheapest month to fly to South Dakota from Portland, with most prices found around $189. If you aren’t able to travel to South Dakota during the month of July, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $228.

How far in advance should I book a flight from Portland 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 $411 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 $259 on momondo.

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

Fastest flight time	4h 51m
Direct flights	None

The fastest flight from Portland to South Dakota takes 4h 51m

There are no direct flights from Portland to South Dakota. There are no popular flight routes from Portland to South Dakota.

Search flight deals

Frequently asked questions about flying 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 June 2026, there are 4 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
Frontier	PriceFrom $189	Free Cancellation	Rating 5.6 2,889 reviews	Search Frontier flights
United Airlines	PriceFrom $243	Free Cancellation	Rating 7.4 9,824 reviews	Search United Airlines flights
American Airlines	PriceFrom $250	Free Cancellation	Rating 7.1 11,663 reviews	Search American Airlines flights
Delta	PriceFrom $250	Free Cancellation	Rating 7.9 8,402 reviews	Search Delta flights

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.