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Cheap flights from South Dakota to Portland from $168

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 5/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from South Dakota to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
1:02 pm - 5:35 pm
FSD
-
PDX
6h 33m1 stop
Delta Logo
12:30 am - 10:21 am
PDX
-
FSD
7h 51m1 stop
$270Delta
Tue, Jan 20 - Mon, Mar 9
Delta Logo
4:17 pm - 11:55 pm
FSD
-
PDX
9h 38m2 stops
Delta Logo
12:30 am - 10:21 am
PDX
-
FSD
7h 51m1 stop
$275Delta
Tue, Jan 20 - Mon, Mar 9
United Airlines Logo
4:40 pm - 9:12 pm
RAP
-
PDX
5h 32m1 stop
United Airlines Logo
3:45 pm - 10:29 pm
PDX
-
RAP
5h 44m1 stop
$327United Airlines
Wed, Jan 7 - Sun, Jan 11
United Airlines Logo
9:00 am - 1:45 pm
FSD
-
PDX
6h 45m1 stop
United Airlines Logo
8:30 am - 4:37 pm
PDX
-
FSD
6h 07m1 stop
$331United Airlines
Tue, Jan 13 - Sat, Jan 17
United Airlines Logo
6:00 am - 12:41 pm
FSD
-
PDX
8h 41m2 stops
United Airlines Logo
8:30 am - 4:37 pm
PDX
-
FSD
6h 07m1 stop
$336United Airlines
Tue, Jan 13 - Sat, Jan 17
United Airlines Logo
6:00 am - 12:41 pm
FSD
-
PDX
8h 41m2 stops
United Airlines Logo
8:30 am - 9:50 pm
PDX
-
FSD
11h 20m2 stops
$341United Airlines
Tue, Jan 13 - Sat, Jan 17
United Airlines Logo
5:10 am - 9:45 am
RAP
-
PDX
5h 35m1 stop
United Airlines Logo
1:24 pm - 7:14 pm
PDX
-
RAP
4h 50m1 stop
$349United Airlines
Wed, Jan 21 - Sat, Jan 24
United Airlines Logo
11:22 am - 6:56 pm
FSD
-
PDX
9h 34m1 stop
United Airlines Logo
1:24 pm - 8:24 pm
PDX
-
FSD
5h 00m1 stop
$350United Airlines
Thu, Jan 22 - Sat, Jan 24
United Airlines Logo
2:40 pm - 9:12 pm
RAP
-
PDX
7h 32m1 stop
United Airlines Logo
5:35 am - 7:14 pm
PDX
-
RAP
12h 39m2 stops
$354United Airlines
Wed, Jan 21 - Sat, Jan 24
United Airlines Logo
11:22 am - 6:56 pm
FSD
-
PDX
9h 34m1 stop
United Airlines Logo
7:45 am - 8:24 pm
PDX
-
FSD
10h 39m2 stops
$355United Airlines
Thu, Jan 22 - Sat, Jan 24

United Airlines flights from South Dakota to Portland

Our best United Airlines deals on South Dakota to Portland flight tickets
United Airlines
Jan 7
RAP4:40 pmRapid City
5h 32m
1 stop
PDX9:12 pmPortland
Jan 11
PDX3:45 pmPortland
5h 44m
1 stop
RAP10:29 pmRapid City
$327
Find similar
United Airlines
Jan 21
RAP5:10 amRapid City
5h 35m
1 stop
PDX9:45 amPortland
Jan 24
PDX1:24 pmPortland
4h 50m
1 stop
RAP7:14 pmRapid City
$349
Find similar
United Airlines
Jan 22
FSD11:22 amSioux Falls Joe Foss Field
9h 34m
1 stop
PDX6:56 pmPortland
Jan 24
PDX1:24 pmPortland
8h 20m
1 stop
FSD11:44 pmSioux Falls Joe Foss Field
$350
Find similar

Alaska Airlines flights from South Dakota to Portland

Our best Alaska Airlines deals on South Dakota to Portland flight tickets
Alaska Airlines
Mar 18
FSD12:14 pmSioux Falls Joe Foss Field
23h 35m
2 stops
PDX9:49 amPortland
Mar 21
PDX5:32 pmPortland
23h 38m
2 stops
FSD7:10 pmSioux Falls Joe Foss Field
$955
Find similar
Alaska Airlines
Dec 26
FSD10:41 amSioux Falls Joe Foss Field
13h 23m
2 stops
PDX10:04 pmPortland
Dec 28
PDX11:00 pmPortland
9h 11m
1 stop
FSD10:11 amSioux Falls Joe Foss Field
$975
Find similar
Alaska Airlines
Dec 26
FSD10:41 amSioux Falls Joe Foss Field
13h 23m
2 stops
PDX10:04 pmPortland
Dec 28
PDX9:34 pmPortland
19h 25m
2 stops
FSD6:59 pmSioux Falls Joe Foss Field
$1,229
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from South Dakota to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 24, 2025.
Use the filters below to find and compare flights from South Dakota to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Tue 1/20

1:02 pm-5:35 pm

1 stop6h 33m

Portland

Mon 3/9

12:30 am-10:21 am

1 stop7h 51m

$270

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Tue 1/20

4:17 pm-11:55 pm

2 stops9h 38m

Portland

Mon 3/9

12:30 am-10:21 am

1 stop7h 51m

$275

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Wed 1/7

4:40 pm-9:12 pm

1 stop5h 32m

Portland

Sun 1/11

3:45 pm-10:29 pm

1 stop5h 44m

$327

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Tue 1/13

9:00 am-1:45 pm

1 stop6h 45m

Portland

Sat 1/17

8:30 am-4:37 pm

1 stop6h 07m

$331

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Tue 1/13

6:00 am-12:41 pm

2 stops8h 41m

Portland

Sat 1/17

8:30 am-4:37 pm

1 stop6h 07m

$336

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Tue 1/13

6:00 am-12:41 pm

2 stops8h 41m

Portland

Sat 1/17

8:30 am-9:50 pm

2 stops11h 20m

$341

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Wed 1/21

5:10 am-9:45 am

1 stop5h 35m

Portland

Sat 1/24

1:24 pm-7:14 pm

1 stop4h 50m

$349

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Thu 1/22

11:22 am-6:56 pm

1 stop9h 34m

Portland

Sat 1/24

1:24 pm-8:24 pm

1 stop5h 00m

$350

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Wed 1/21

2:40 pm-9:12 pm

1 stop7h 32m

Portland

Sat 1/24

5:35 am-7:14 pm

2 stops12h 39m

$354

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Thu 1/22

11:22 am-6:56 pm

1 stop9h 34m

Portland

Sat 1/24

7:45 am-8:24 pm

2 stops10h 39m

$355

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portland from

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 July. Flight prices, which tend to average around $314, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in July, then you should wait until February to fly from South Dakota, when ticket prices are also cheap, with an average price of $321.

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 weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $400 when searching 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 $286 on momondo.

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

You could potentially save up to 41% on your flight if you consider stops on a South Dakota to Portland flight.

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

Fastest flight time

5h 35m

Direct flights

None
The fastest flight from South Dakota to Portland takes 5h 35m
There are no direct flights from South Dakota to Portland. There are no popular flight routes from South Dakota to Portland.
Search flight deals

  • 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?

  • 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
FrontierPriceFrom $130Free CancellationRating
5.8
3,073 reviews
Search Frontier flights
American AirlinesPriceFrom $250Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
DeltaPriceFrom $258Free CancellationRating
7.9
8,013 reviews
Search Delta flights
United AirlinesPriceFrom $268Free CancellationRating
7.4
9,110 reviews
Search United Airlines flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Depoe Bay
Rockaway Beach
Beaverton
Hillsboro
Hood River
McMinnville
Gresham
Tigard
Longview
Pacific City
The Dalles
Manzanita
Clackamas

Why use momondo?

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.

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