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

United Airlines is the most popular carrier operating from Oregon 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 Oregon according to our data. United Airlines is the first choice among our users, with 69% 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.

How long is the flight from Oregon to South Dakota?

The flight from Oregon to South Dakota depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Eugene (a popular airport in Oregon) to Sioux Falls (the most popular airport in South Dakota), then the flight time is 4h 56m on average. If you fly from Portland (another popular airport in Oregon) to Sioux Falls, then the average flight time is 5h 15m.

When did momondo last update prices for flights from Oregon to South Dakota?

Prices for flights from Oregon to South Dakota are updated daily.

How many operators does momondo search for flights from Oregon to South Dakota?

There are 3 operators available for flights from Oregon to South Dakota as of October 2026.

How old do you have to be to fly from Oregon to South Dakota?

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 Oregon 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.

$316 Cheap Flights from Oregon to South Dakota in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Oregon to South Dakota

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:59 pm - 11:24 amPDX Portland-FSD Sioux Falls Joe Foss Field

9h 25m1 stop Dallas/Fort Worth

8:00 am - 1:58 pmFSD Sioux Falls Joe Foss Field-PDX Portland

7h 58m1 stop Phoenix Sky Harbor Intl

$341American Airlines

Wed, Dec 30 - Sat, Jan 9

1:15 pm - 8:43 pmPDX Portland-RAP Rapid City

6h 28m1 stop Denver Intl

5:50 pm - 11:09 pmRAP Rapid City-PDX Portland

6h 19m1 stop Denver Intl

$349United Airlines

Wed, Nov 18 - Wed, Nov 25

6:00 am - 3:54 pmPDX Portland-RAP Rapid City

8h 54m1 stop Minneapolis St Paul

2:40 pm - 8:24 pmRAP Rapid City-PDX Portland

6h 44m1 stop Minneapolis St Paul

$349Delta

Thu, Nov 26 - Fri, Dec 4

6:00 am - 3:54 pmPDX Portland-RAP Rapid City

8h 54m1 stop Minneapolis St Paul

2:40 pm - 8:24 pmRAP Rapid City-PDX Portland

6h 44m1 stop Minneapolis St Paul

$349Delta

Thu, Nov 26 - Thu, Dec 3

4:25 pm - 10:30 pmPDX Portland-RAP Rapid City

5h 05m1 stop Denver Intl

5:00 am - 9:36 amRAP Rapid City-PDX Portland

5h 36m1 stop Denver Intl

$349United Airlines

Thu, Nov 19 - Thu, Nov 26

1:15 pm - 8:43 pmPDX Portland-RAP Rapid City

6h 28m1 stop Denver Intl

5:50 pm - 11:09 pmRAP Rapid City-PDX Portland

6h 19m1 stop Denver Intl

$349United Airlines

Fri, Nov 13 - Sun, Nov 15

5:00 am - 1:33 pmPDX Portland-FSD Sioux Falls Joe Foss Field

6h 33m1 stop Phoenix Sky Harbor Intl

7:00 am - 2:36 pmFSD Sioux Falls Joe Foss Field-PDX Portland

9h 36m1 stop Dallas/Fort Worth

$350American Airlines

Thu, Jan 21 - Tue, Jan 26

1:50 pm - 11:49 pmRDM Bend/Redmond-FSD Sioux Falls Joe Foss Field

7h 59m1 stop Phoenix Sky Harbor Intl

2:26 pm - 7:48 pmFSD Sioux Falls Joe Foss Field-RDM Bend/Redmond

7h 22m1 stop Phoenix Sky Harbor Intl

$359American Airlines

Thu, Nov 12 - Wed, Nov 18

9:31 pm - 11:48 amMFR Medford-FSD Sioux Falls Joe Foss Field

12h 17m1 stop Las Vegas Harry Reid Intl

9:54 pm - 2:55 pmFSD Sioux Falls Joe Foss Field-MFR Medford

19h 01m1 stop Las Vegas Harry Reid Intl

$555Allegiant Air

Tue, Dec 22 - Mon, Dec 28

5:05 am - 6:48 pmPDX Portland-FSD Sioux Falls Joe Foss Field

11h 43m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

12:11 pm - 8:51 pmFSD Sioux Falls Joe Foss Field-PDX Portland

10h 40m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

$625Alaska Airlines

Wed, Nov 18 - Wed, Nov 25

Cheap last minute flights

Enter your travel dates to find the best prices.

1:44 pm - 10:30 pmPDX Portland-RAP Rapid City

7h 46m1 stop Minneapolis St Paul

4:38 pm - 11:44 pmRAP Rapid City-PDX Portland

8h 06m1 stop Minneapolis St Paul

$499Delta

Fri, Oct 23 - Tue, Oct 27

10:43 am - 5:06 pmPDX Portland-RAP Rapid City

5h 23m1 stop Denver Intl

12:39 pm - 9:02 pmRAP Rapid City-PDX Portland

9h 23m2 stops Denver Intl San Francisco

$504United Airlines

Fri, Oct 23 - Tue, Oct 27

11:25 am - 10:30 pmPDX Portland-RAP Rapid City

10h 05m2 stops Seattle/Tacoma Intl Minneapolis St Paul

6:39 am - 4:10 pmRAP Rapid City-PDX Portland

10h 31m2 stops Minneapolis St Paul Salt Lake City

$510Delta

Fri, Oct 23 - Tue, Oct 27

3:00 pm - 11:56 pmRDM Bend/Redmond-FSD Sioux Falls Joe Foss Field

6h 56m1 stop Phoenix Sky Harbor Intl

8:05 am - 1:44 pmFSD Sioux Falls Joe Foss Field-RDM Bend/Redmond

7h 39m1 stop Phoenix Sky Harbor Intl

$530American Airlines

Fri, Oct 23 - Tue, Oct 27

5:24 am - 1:35 pmRDM Bend/Redmond-FSD Sioux Falls Joe Foss Field

6h 11m1 stop Phoenix Sky Harbor Intl

8:05 am - 1:44 pmFSD Sioux Falls Joe Foss Field-RDM Bend/Redmond

7h 39m1 stop Phoenix Sky Harbor Intl

$530American Airlines

Fri, Oct 23 - Tue, Oct 27

5:24 am - 9:13 pmRDM Bend/Redmond-FSD Sioux Falls Joe Foss Field

13h 49m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

2:05 pm - 7:20 pmFSD Sioux Falls Joe Foss Field-RDM Bend/Redmond

7h 15m1 stop Phoenix Sky Harbor Intl

$535American Airlines

Fri, Oct 23 - Tue, Oct 27

11:30 pm - 10:32 amPDX Portland-FSD Sioux Falls Joe Foss Field

9h 02m1 stop Chicago O'Hare Intl

1:20 pm - 6:09 pmFSD Sioux Falls Joe Foss Field-PDX Portland

6h 49m1 stop Denver Intl

$987United Airlines

Tue, Oct 27 - Wed, Oct 28

7:26 pm - 10:32 amPDX Portland-FSD Sioux Falls Joe Foss Field

13h 06m2 stops San Francisco Chicago O'Hare Intl

1:20 pm - 6:09 pmFSD Sioux Falls Joe Foss Field-PDX Portland

6h 49m1 stop Denver Intl

$997United Airlines

Tue, Oct 27 - Wed, Oct 28

9:29 pm - 11:34 amPDX Portland-FSD Sioux Falls Joe Foss Field

12h 05m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

2:48 pm - 11:02 pmFSD Sioux Falls Joe Foss Field-PDX Portland

10h 14m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

$1,002Alaska Airlines

Tue, Oct 27 - Wed, Oct 28

1:10 pm - 11:22 pmPDX Portland-FSD Sioux Falls Joe Foss Field

8h 12m2 stops Salt Lake City Minneapolis St Paul

8:30 am - 2:51 pmFSD Sioux Falls Joe Foss Field-PDX Portland

8h 21m2 stops Minneapolis St Paul Seattle/Tacoma Intl

$1,007Delta

Mon, Oct 26 - Wed, Oct 28

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United Airlines flights from Oregon to South Dakota

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

United Airlines

Nov 25

PDX4:25 pmPortland

5h 19m

1 stop

FSD11:44 pmSioux Falls Joe Foss Field

Dec 10

FSD9:45 amSioux Falls Joe Foss Field

7h 34m

1 stop

PDX3:19 pmPortland

$350

United Airlines

Nov 25

PDX4:25 pmPortland

5h 19m

1 stop

FSD11:44 pmSioux Falls Joe Foss Field

Dec 10

FSD9:24 amSioux Falls Joe Foss Field

10h 59m

2 stops

PDX6:23 pmPortland

$355

United Airlines

Nov 19

EUG12:59 pmEugene

5h 05m

1 stop

FSD8:04 pmSioux Falls Joe Foss Field

Nov 22

FSD6:00 amSioux Falls Joe Foss Field

7h 57m

1 stop

EUG11:57 amEugene

$359

American Airlines flights from Oregon to South Dakota

Our best American Airlines deals on Oregon to South Dakota flight tickets

American Airlines

Dec 30

PDX11:59 pmPortland

9h 25m

1 stop

FSD11:24 amSioux Falls Joe Foss Field

Jan 9

FSD8:00 amSioux Falls Joe Foss Field

7h 58m

1 stop

PDX1:58 pmPortland

$341

American Airlines

Nov 12

RDM1:50 pmBend/Redmond

7h 59m

1 stop

FSD11:49 pmSioux Falls Joe Foss Field

Nov 18

FSD2:26 pmSioux Falls Joe Foss Field

7h 22m

1 stop

RDM7:48 pmBend/Redmond

$359

American Airlines

Nov 12

PDX6:00 amPortland

9h 27m

1 stop

FSD5:27 pmSioux Falls Joe Foss Field

Nov 16

FSD5:58 pmSioux Falls Joe Foss Field

7h 45m

1 stop

PDX11:43 pmPortland

$394

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSioux Falls

PDX Portland - FSD Sioux Falls Joe Foss Field

PDXFSD

Portland

Wed 12/30

11:59 pm-11:24 am

1 stop9h 25m

Sioux Falls Joe Foss Field

Sat 1/9

8:00 am-1:58 pm

1 stop7h 58m

$341

PortlandRapid City

PDX Portland - RAP Rapid City

PDXRAP

Portland

Wed 11/18

1:15 pm-8:43 pm

1 stop6h 28m

Rapid City

Wed 11/25

5:50 pm-11:09 pm

1 stop6h 19m

$349

PortlandRapid City

PDX Portland - RAP Rapid City

PDXRAP

Portland

Thu 11/26

6:00 am-3:54 pm

1 stop8h 54m

Rapid City

Fri 12/4

2:40 pm-8:24 pm

1 stop6h 44m

$349

PortlandRapid City

PDX Portland - RAP Rapid City

PDXRAP

Portland

Thu 11/26

6:00 am-3:54 pm

1 stop8h 54m

Rapid City

Thu 12/3

2:40 pm-8:24 pm

1 stop6h 44m

$349

Quickest round-trip

PortlandRapid City

PDX Portland - RAP Rapid City

PDXRAP

Portland

Thu 11/19

4:25 pm-10:30 pm

1 stop5h 05m

Rapid City

Thu 11/26

5:00 am-9:36 am

1 stop5h 36m

$349

PortlandRapid City

PDX Portland - RAP Rapid City

PDXRAP

Portland

Fri 11/13

1:15 pm-8:43 pm

1 stop6h 28m

Rapid City

Sun 11/15

5:50 pm-11:09 pm

1 stop6h 19m

$349

PortlandSioux Falls

PDX Portland - FSD Sioux Falls Joe Foss Field

PDXFSD

Portland

Thu 1/21

5:00 am-1:33 pm

1 stop6h 33m

Sioux Falls Joe Foss Field

Tue 1/26

7:00 am-2:36 pm

1 stop9h 36m

$350

RedmondSioux Falls

RDM Bend/Redmond - FSD Sioux Falls Joe Foss Field

RDMFSD

Bend/Redmond

Thu 11/12

1:50 pm-11:49 pm

1 stop7h 59m

Sioux Falls Joe Foss Field

Wed 11/18

2:26 pm-7:48 pm

1 stop7h 22m

$359

MedfordSioux Falls

MFR Medford - FSD Sioux Falls Joe Foss Field

MFRFSD

Medford

Tue 12/22

9:31 pm-11:48 am

1 stop12h 17m

Sioux Falls Joe Foss Field

Mon 12/28

9:54 pm-2:55 pm

1 stop19h 01m

$555

PortlandSioux Falls

PDX Portland - FSD Sioux Falls Joe Foss Field

PDXFSD

Portland

Wed 11/18

5:05 am-6:48 pm

2 stops11h 43m

Sioux Falls Joe Foss Field

Wed 11/25

12:11 pm-8:51 pm

2 stops10h 40m

$625

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 Oregon 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

Other information

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 Oregon, with most prices found around $387. If you aren’t able to travel to South Dakota during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $397.

How far in advance should I book a flight from Oregon to South Dakota?

You are more likely to see cheaper flights to South Dakota from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to South Dakota for around $431 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Dakota from Oregon for as low as $328 on momondo.

Can stopping save me money on Oregon to South Dakota flights?

You could potentially save up to 65% on your flight if you consider stops on a Oregon to South Dakota flight.

Cheap Oregon to South Dakota flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to South Dakota

Best Price Found	$316
Fastest flight time	4h 25m
Direct flights	None

The best one-way flight to South Dakota from Oregon in the past 72 hours is $316. The best round-trip flight deal from Oregon to South Dakota found on momondo in the last 72 hours is $341.

The fastest flight from Oregon to South Dakota takes 4h 25m

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

Search flight deals

Frequently asked questions about flying from Oregon to South Dakota

When did momondo last update prices for flights from Oregon to South Dakota?
Prices for flights from Oregon to South Dakota are updated daily.
How many operators does momondo search for flights from Oregon to South Dakota?
There are 3 operators available for flights from Oregon to South Dakota as of October 2026.
How old do you have to be to fly from Oregon to South Dakota?
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 Oregon 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 Oregon to South Dakota

Compare and see reviews for airlines that fly from Oregon to South Dakota with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $263	Free Cancellation	Rating 7.3 10,404 reviews	Search United Airlines flights
Delta	PriceFrom $288	Free Cancellation	Rating 7.8 8,661 reviews	Search Delta flights
American Airlines	PriceFrom $300	Free Cancellation	Rating 7.0 12,186 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Oregon to South Dakota?

It is quick and easy to find Oregon to South Dakota flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to South Dakota that suits you.

Can I find flights from Oregon to South Dakota with flexible booking policies on momondo?

Yes. All flights to South Dakota from Oregon on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Oregon to South Dakota?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to South Dakota from Oregon.

I’m not ready to book a flight from Oregon to South Dakota right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Oregon to South Dakota now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to South Dakota and let you know when they change.