Are direct flights from Portland to Sioux Falls always the best option?

Direct flights offer convenience by saving time and avoiding layovers, but they are not always the cheapest option. Flights with one or more stops can sometimes be significantly more affordable. Consider your priorities for time versus cost when making your decision.

Can flexible travel dates help on Portland to Sioux Falls flights?

Being flexible with your travel dates can often unlock better flight deals. Prices can vary significantly between different days of the week or even within the same week. Using a flexible date search tool can help you identify the most cost-effective days to fly.

What extra costs should I check before booking Portland to Sioux Falls flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Understanding these additional expenses helps you calculate the true total cost of your trip.

Flights From Portland

To Sioux Falls

Cheap Flights from Portland to Sioux Falls

Browse current best options from Portland. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Portland

RatePunk searches hundreds of travel sites at once for deals on flights to Sioux Falls

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Portland to Sioux Falls

Explore current cheapest deals departing from Portland to Sioux Falls

2026-09-17 – 2026-09-28
PDX - Sioux Falls
74% AI deal score
$328
$257
Round trip
2026-10-22 – 2026-10-26
PDX - Sioux Falls
76% AI deal score
$388
$281
Round trip
2026-10-01 – 2026-10-26
PDX - Sioux Falls
69% AI deal score
$331
$281
Round trip
2026-09-15 – 2026-09-22
PDX - Sioux Falls
73% AI deal score
$358
$290
Round trip
2026-10-15 – 2026-10-26
PDX - Sioux Falls
69% AI deal score
$349
$290
Round trip
2026-10-20 – 2026-10-26
PDX - Sioux Falls
75% AI deal score
$378
$291
Round trip
2026-10-13 – 2026-10-26
PDX - Sioux Falls
68% AI deal score
$342
$291
Round trip
2026-10-01 – 2026-10-16
PDX - Sioux Falls
68% AI deal score
$337
$292
Round trip
2026-10-01 – 2026-10-09
PDX - Sioux Falls
70% AI deal score
$362
$292
Round trip
2026-10-01 – 2026-10-12
PDX - Sioux Falls
68% AI deal score
$345
$292
Round trip

Portland to Sioux Falls: Overview

Insights for flights from Portland to Sioux Falls

For those seeking cheap flights from Portland to Sioux Falls, July stands out as the most economical month, with a median fare of just $188. Other favorable months include April and May, both offering median fares of $191. Planning your trip around these months can lead to significant savings.

Fares for this route typically range from $403–$698, with a median of $542. Right now, current fares are significantly below the typical level, indicating a potentially good time to book. About 11% of recent fares have been classified as a good price, suggesting that deals do appear, but they are not extremely common.

When considering flights from Portland to Sioux Falls, you will find that most itineraries connect at least once, as 0% of recent fares were non-stop. For connecting itineraries, the typical number of stopovers is 1. This means you should expect to make at least one stop on your journey.

A typical journey from Portland to Sioux Falls, including connections, takes approximately 13h 59m. This duration accounts for the necessary stopovers, which are common for this route. New deals for this route show up several times a week, so keeping an eye on price alerts can be beneficial.

The distance between Portland and Sioux Falls is 2051 kilometers. This classifies the route as a medium-haul journey, indicating a flight that is neither very short nor extremely long, typically involving several hours in the air and often requiring connections.

How much is a round trip from Portland to Sioux Falls

Regular price: $279 - $588

Prices for flights from Portland to Sioux Falls are currently below the regular range.

The regular price range for flights from Portland to Sioux Falls is between $279 and $588. The current lowest deal is $257 with Frontier Airlines for travel from Sep 17-Sep 28.

now $257

Low $279

High $588

The cheapest time to fly from Portland to Sioux Falls

The cheapest month to fly from Portland to Sioux Falls is January, with a median price of $165. The most expensive month is June, with a median price of $555. Prices are generally lower from January to September.

January

Cheapest

Flights from $165

June

Most Expensive

Flights from $555

Jan

May

Jun

Jul

Aug

Sep

Direct flights from Portland to Sioux Falls

Frontier Airlines

Allegiant Air

United Airlines

American Airlines

Last-minute flights going from Portland to Sioux Falls

Thu, Jul 30

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

$551

$479

One-way

Fri, Jul 31

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

$480

$440

One-way

Sun, Aug 2

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

$531

$444

One-way

Mon, Aug 3

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

$487

$461

One-way

Tue, Aug 4

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

United Airlines

$471

$491

One-way

Thu, Aug 6

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

United Airlines

$521

$443

One-way

Biggest price drops on these dates for flights from Portland to Sioux Falls

1 night

Aug 28 - Aug 29

$433 → $298

31%

4 nights

Dec 1 - Dec 5

$428 → $301

30%

4 nights

Oct 22 - Oct 26

$389 → $283

27%

4 nights

Aug 8 - Aug 12

$499 → $400

20%

Popular Airports to fly from Portland to Sioux Falls

Portland - Sioux Falls route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Portland to Sioux Falls are below the typical level, with prices around $257.

📅 Best time to fly

Fly in January for the best prices

Historically, January offers the lowest median prices at $165, making it the cheapest month to fly.

⏱️ Flight duration

Connecting flights average 13h 59m

Flights from Portland to Sioux Falls typically involve connections, with an average duration of 13h 59m.

✈️ Airlines & availability

Multiple airlines offer connecting flights

Frontier Airlines, Allegiant Air, United Airlines, and American Airlines offer connecting flights on this route.

🏆 Airline highlight

Frontier Airlines has frequent deals

Frontier Airlines has provided 39 deals for flights from Portland to Sioux Falls recently.

🎯 Booking tip

Deals appear regularly for this route

Deals for flights from Portland to Sioux Falls are available on a regular basis.

Portland main airports to depart from

Portland International (PDX)

Cheapest

Fly from Portland International for direct access to Sioux Falls, offering competitive pricing.

📍 ~10 km from Portland (reachable by car or public transport)

💸 Flights from ~$270

Sioux Falls main airports to arrive at

Sioux Falls Regional (FSD)

Cheapest

Sioux Falls Regional Airport is a convenient arrival choice for flights to Sioux Falls.

📍 ~4 km from Sioux Falls (reachable by car)

💸 Flights from ~$270

Airports nearby Sioux Falls used as alternative

Eppley Airfield (OMA)

Eppley Airfield is a major regional hub offering significantly more direct flight options than Sioux Falls.

📍 ~250 km from Sioux Falls (reachable by car)

💸 Flights from ~$279

Business & First Class Flight Deals to Sioux Falls

47% AI deal score

$3,555

From PDX

Elite

Aug 05

Sioux Falls, United States

47% AI deal score

$3,571

From PDX

Elite

Aug 04

Sioux Falls, United States

47% AI deal score

$3,672

From PDX

Elite

Aug 05

Sioux Falls, United States

47% AI deal score

$3,688

Frequently Asked Questions About Flights to Sioux Falls

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can often reveal better deals. Also, looking into flights with layovers may sometimes present lower fares than direct routes.

Booking in advance, often several weeks or months before your intended travel date, can sometimes result in lower prices. However, prices can fluctuate, so monitoring fares over time may help you identify a good booking window. Weekday bookings might also offer different pricing.

Yes, comparing nearby airports for both your origin and destination can sometimes lead to more economical flight options. While it may involve additional ground transportation, the overall cost could be lower. Always factor in the extra travel time and expense to reach these alternative airports.

Related routes

More routes from Portland

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Flights to Sioux Falls from other cities

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Portland to Sioux Falls: Overview

Insights for flights from Portland to Sioux Falls

How much is a round trip from Portland to Sioux Falls

Regular price: $279 - $588

Prices for flights from Portland to Sioux Falls are currently below the regular range.

The regular price range for flights from Portland to Sioux Falls is between $279 and $588. The current lowest deal is $257 with Frontier Airlines for travel from Sep 17-Sep 28.

now $257

Low $279

High $588

The cheapest time to fly from Portland to Sioux Falls

January

Cheapest

Flights from $165

June

Most Expensive

Flights from $555

Jan

May

Jun

Jul

Aug

Sep

Direct flights from Portland to Sioux Falls

Frontier Airlines

Allegiant Air

United Airlines

American Airlines

Last-minute flights going from Portland to Sioux Falls

Thu, Jul 30

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

$551

$479

One-way

Fri, Jul 31

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

$480

$440

One-way

Sun, Aug 2

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

$531

$444

One-way

Mon, Aug 3

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

$487

$461

One-way

Tue, Aug 4

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

United Airlines

$471

$491

One-way

Thu, Aug 6

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

United Airlines

$521

$443

One-way

Biggest price drops on these dates for flights from Portland to Sioux Falls

1 night

Aug 28 - Aug 29

$433 → $298

31%

4 nights

Dec 1 - Dec 5

$428 → $301

30%

4 nights

Oct 22 - Oct 26

$389 → $283

27%

4 nights

Aug 8 - Aug 12

$499 → $400

20%

Popular Airports to fly from Portland to Sioux Falls