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Cheap flights from Portland to Sioux Falls from $251

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Sioux Falls departing on 9/30. 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 Portland to Sioux Falls

Cheap round-trip flights

United Airlines Logo
4:07 pm - 11:15 pmPDX-FSD
5h 08m1 stop
United Airlines Logo
5:14 pm - 10:45 pmFSD-PDX
7h 31m1 stop
$251United Airlines
Find Deal
mar., sep. 30 - mié., oct. 8
American Airlines Logo
5:16 am - 2:15 pmPDX-FSD
6h 59m1 stop
American Airlines Logo
5:05 pm - 11:29 pmFSD-PDX
8h 24m1 stop
$260American Airlines
Find Deal
sáb., oct. 4 - sáb., oct. 11
American Airlines Logo
3:15 pm - 11:39 pmPDX-FSD
6h 24m1 stop
American Airlines Logo
5:18 pm - 11:23 pmFSD-PDX
8h 05m1 stop
$269American Airlines
Find Deal
lun., dic. 8 - lun., dic. 15
United Airlines Logo
10:50 am - 8:21 pmPDX-FSD
7h 31m1 stop
United Airlines Logo
5:14 pm - 10:45 pmFSD-PDX
7h 31m1 stop
$286United Airlines
Find Deal
jue., oct. 2 - dom., oct. 5
Frontier Logo
7:22 pm - 2:09 pmPDX-FSD
16h 47m2 stops
Frontier Logo
2:54 pm - 12:12 amFSD-PDX
11h 18m1 stop
$290Frontier
Find Deal
jue., oct. 2 - dom., oct. 5
American Airlines Logo
7:39 am - 5:03 pmPDX-FSD
7h 24m1 stop
American Airlines Logo
6:00 pm - 12:05 amFSD-PDX
8h 05m1 stop
$294American Airlines
Find Deal
mié., sep. 24 - lun., sep. 29
Delta Logo
12:45 am - 10:07 amPDX-FSD
7h 22m1 stop
Delta Logo
1:35 pm - 5:27 pmFSD-PDX
5h 52m1 stop
$305Delta
Find Deal
vie., oct. 3 - sáb., oct. 11
Logo
12:07 pm - 2:47 pmPDX-FSD
24h 40m1 stop
Logo
2:54 pm - 12:12 amFSD-PDX
11h 18m1 stop
$306
Find Deal
jue., oct. 2 - dom., oct. 5
Frontier Logo
7:22 pm - 2:09 pmPDX-FSD
16h 47m2 stops
Frontier Logo
2:54 pm - 12:12 amFSD-PDX
11h 18m1 stop
$312Frontier
Find Deal
jue., oct. 2 - dom., oct. 5
Delta Logo
12:45 am - 10:07 amPDX-FSD
7h 22m1 stop
Delta Logo
5:20 am - 12:49 pmFSD-PDX
9h 29m2 stops
$360Delta
Find Deal
vie., oct. 3 - sáb., oct. 11

United Airlines flights from Portland to Sioux Falls

Our best United Airlines deals on Portland to Sioux Falls flight tickets
United Airlines
Sep 30
PDX4:07 pmPortland
5h 08m
1 stop
FSD11:15 pmSioux Falls Joe Foss Field
Oct 8
FSD5:14 pmSioux Falls Joe Foss Field
7h 31m
1 stop
PDX10:45 pmPortland
$251
Find similar
United Airlines
Oct 2
PDX10:50 amPortland
7h 31m
1 stop
FSD8:21 pmSioux Falls Joe Foss Field
Oct 5
FSD5:14 pmSioux Falls Joe Foss Field
7h 31m
1 stop
PDX10:45 pmPortland
$286
Find similar
United Airlines
Sep 23
PDX5:00 amPortland
5h 45m
1 stop
FSD12:45 pmSioux Falls Joe Foss Field
Sep 27
FSD8:00 amSioux Falls Joe Foss Field
9h 30m
1 stop
PDX3:30 pmPortland
$319
Find similar

Frontier flights from Portland to Sioux Falls

Our best Frontier deals on Portland to Sioux Falls flight tickets
Frontier
Sep 15
PDX6:05 amPortland
6h 04m
1 stop
FSD2:09 pmSioux Falls Joe Foss Field
Sep 19
FSD2:54 pmSioux Falls Joe Foss Field
11h 18m
1 stop
PDX12:12 amPortland
$265
Find similar
Frontier
Oct 2
PDX7:22 pmPortland
16h 47m
2 stops
FSD2:09 pmSioux Falls Joe Foss Field
Oct 5
FSD2:54 pmSioux Falls Joe Foss Field
11h 18m
1 stop
PDX12:12 amPortland
$290
Find similar
Frontier
Oct 2
PDX7:22 pmPortland
16h 47m
2 stops
FSD2:09 pmSioux Falls Joe Foss Field
Oct 5
FSD2:54 pmSioux Falls Joe Foss Field
11h 18m
1 stop
PDX12:12 amPortland
$312
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Sioux Falls 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 septiembre 8, 2025.
Use the filters below to find and compare flights from Portland to Sioux Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

mar. 9/30

4:07 pm-11:15 pm

1 stop5h 08m

Sioux Falls Joe Foss Field

mié. 10/8

5:14 pm-10:45 pm

1 stop7h 31m

$251

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

sáb. 10/4

5:16 am-2:15 pm

1 stop6h 59m

Sioux Falls Joe Foss Field

sáb. 10/11

5:05 pm-11:29 pm

1 stop8h 24m

$260

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

lun. 12/8

3:15 pm-11:39 pm

1 stop6h 24m

Sioux Falls Joe Foss Field

lun. 12/15

5:18 pm-11:23 pm

1 stop8h 05m

$269

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

jue. 10/2

10:50 am-8:21 pm

1 stop7h 31m

Sioux Falls Joe Foss Field

dom. 10/5

5:14 pm-10:45 pm

1 stop7h 31m

$286

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

jue. 10/2

7:22 pm-2:09 pm

2 stops16h 47m

Sioux Falls Joe Foss Field

dom. 10/5

2:54 pm-12:12 am

1 stop11h 18m

$290

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

mié. 9/24

7:39 am-5:03 pm

1 stop7h 24m

Sioux Falls Joe Foss Field

lun. 9/29

6:00 pm-12:05 am

1 stop8h 05m

$294

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

vie. 10/3

12:45 am-10:07 am

1 stop7h 22m

Sioux Falls Joe Foss Field

sáb. 10/11

1:35 pm-5:27 pm

1 stop5h 52m

$305

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

jue. 10/2

12:07 pm-2:47 pm

1 stop24h 40m

Sioux Falls Joe Foss Field

dom. 10/5

2:54 pm-12:12 am

1 stop11h 18m

$306

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

jue. 10/2

7:22 pm-2:09 pm

2 stops16h 47m

Sioux Falls Joe Foss Field

dom. 10/5

2:54 pm-12:12 am

1 stop11h 18m

$312

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

vie. 10/3

12:45 am-10:07 am

1 stop7h 22m

Sioux Falls Joe Foss Field

sáb. 10/11

5:20 am-12:49 pm

2 stops9h 29m

$360

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Sioux Falls from

How to get the cheapest flight ticket from Portland to Sioux Falls

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 typical price of a round-trip flight between Portland and Sioux Falls?

What is the cheapest month to fly to Sioux Falls?

The cheapest month to fly to Sioux Falls from Portland is in January. Flight prices, which tend to average around $288, are often lower during this time because this is during the off-season. If you’re not able to fly to Sioux Falls in January, then August is your next best option. Flight prices from Portland to Sioux Falls during August average around $322.

What is the cheapest day to depart on your flight to Sioux Falls?

The cheapest day to depart on your flight to Sioux Falls is on a Tuesday when prices can be found for as low as $392. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Portland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $553.

What is the cheapest time of day to depart on your flight to Sioux Falls?

Our most recent data shows that the best time of day to fly to Sioux Falls is in the evening. Flights from Portland to Sioux Falls during this time can be as low as $373. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $500 on average. Flights to Sioux Falls from Portland in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Sioux Falls?

You are more likely to see cheaper flights to Sioux Falls from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Sioux Falls for around $406 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sioux Falls from Portland for as low as $295 on momondo.

How have Portland to Sioux Falls flight prices changed over time?

As of September 2025, prices for Portland to Sioux Falls flights are approximately 130% more expensive when compared to flights at the same time last year.

When to book flights from Portland to Sioux Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Sioux Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Sioux Falls (PDX to FSD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Sioux Falls

Direct flights

None
There are no direct flights from Portland to Sioux Falls. There are no popular flight routes from Portland to Sioux Falls.
Search flight deals

  • How far is Portland to Sioux Falls Joe Foss Field by plane?

    The straight-line distance from Portland to Sioux Falls Joe Foss Field is 1278.6 mi. In terms of flight time, this usually takes a little over 5h 08m.

  • When did momondo last update prices for flights from Portland Airport to Sioux Falls Joe Foss Field Airport?

    Prices for flights from Portland Airport to Sioux Falls Joe Foss Field Airport refresh daily.

  • How many operators does momondo search for flights from Portland Airport to Sioux Falls Joe Foss Field Airport?

  • How old do you have to be to fly from Portland Airport to Sioux Falls Joe Foss Field Airport?

    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 Sioux Falls Joe Foss Field Airport.

  • What documentation or ID do you need to fly to Sioux Falls Joe Foss Field Airport?

    The required travel and health documents for your Sioux Falls Joe Foss Field Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sioux Falls Joe Foss Field Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Portland to Sioux Falls?

Best airlines flying from Portland to Sioux Falls

Compare and see reviews for airlines that fly from Portland to Sioux Falls with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $130Free CancellationRating
5.8
3,187 reviews
Search Frontier flights
DeltaPriceFrom $238Free CancellationRating
7.9
7,966 reviews
Search Delta flights
Alaska AirlinesPriceFrom $257Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $259Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $309Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights

Traveling to a place near Sioux Falls?

Book flights to Sioux Falls if you plan to visit one of these locations
Yankton
Marshall
Worthington

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Sioux Falls?

Finding the right flight to Sioux Falls from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sioux Falls quick and easy, saving you time and money.

Can I find flights from Portland to Sioux Falls with flexible booking policies on momondo?

Yes. All flights to Sioux Falls from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Portland to Sioux Falls?

momondo helps you find the best flight between Portland and Sioux Falls by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Portland to Sioux Falls right now. Can momondo alert me if prices change?

Price alerts on flights to Sioux Falls from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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