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

Direct flights offer convenience and save travel time, but they are not always the most budget-friendly choice. Flights with one or more layovers can sometimes be significantly cheaper. Consider your priorities for time versus cost when making your decision.

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

Yes, being flexible with your travel dates can often lead to finding lower airfares. Prices can vary significantly even within the same week. Using a flexible date search tool can help you identify the cheapest 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. Being aware of these can help you calculate the true 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 1 day ago

461 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 14, 2026.)

Today’s best flight deals from Portland to Sioux Falls

Explore current cheapest deals departing from Portland to Sioux Falls

2026-10-20 – 2026-10-24
PDX - Sioux Falls
72% AI deal score
$383
$319
Round trip
2026-10-27 – 2026-10-31
PDX - Sioux Falls
72% AI deal score
$381
$319
Round trip
2026-10-14 – 2026-10-17
PDX - Sioux Falls
69% AI deal score
$387
$321
Round trip
2026-10-21 – 2026-10-24
PDX - Sioux Falls
68% AI deal score
$383
$321
Round trip
2026-10-30 – 2026-11-02
PDX - Sioux Falls
67% AI deal score
$381
$339
Round trip
2026-11-19 – 2026-11-22
PDX - Sioux Falls
49% AI deal score
$348
$339
Round trip
2026-10-08 – 2026-10-13
PDX - Sioux Falls
67% AI deal score
$382
$340
Round trip
2026-10-09 – 2026-10-24
PDX - Sioux Falls
48% AI deal score
$326
$340
Round trip
2026-10-15 – 2026-10-21
PDX - Sioux Falls
67% AI deal score
$369
$367
Round trip
2026-09-22 – 2026-10-06
PDX - Sioux Falls
49% AI deal score
$384
$370
Round trip

Portland to Sioux Falls: Overview

Insights for flights from Portland to Sioux Falls

For cheap flights from Portland to Sioux Falls, the most affordable month to fly is July, with a median fare of $188. Other economical options include April and May, both offering median fares of $191.

Fares for this route typically range from $403–$698, with a median of $542. Right now, current fares are below the typical level, and only 11% of recent fares were classified as a good price. New deals show up several times a week, so setting a price alert can be beneficial.

Most itineraries for this route connect at least once, as 0% of recent fares were non-stop. When connecting, the typical number of stopovers is 1.

A typical journey from Portland to Sioux Falls takes approximately 13h 59m, including connections. This duration accounts for the common need for at least one stopover on this route.

The distance between Portland and Sioux Falls is 2051 km, classifying this as a medium-haul flight.

How much is a round trip from Portland to Sioux Falls

Regular price: $315 - $660

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

The regular price range for flights from Portland to Sioux Falls is $315 to $660. The current lowest deal is $319 with American Airlines for travel from Oct 20-Oct 24.

now $319

Low $315

High $660

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

American Airlines

United Airlines

Deutsche Luft Hansa

Last-minute flights going from Portland to Sioux Falls

Tue, Sep 15

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

$637

$1,215

One-way

Fri, Sep 18

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

United Airlines

$613

$479

One-way

Sat, Sep 19

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

United Airlines

$499

$511

One-way

Wed, Sep 23

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

American Airlines

$466

$397

One-way

Wed, Sep 23

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

$463

$473

One-way

Wed, Sep 23

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

United Airlines

$416

$511

One-way

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

1 night

Sep 18 - Sep 19

$613 → $482

21%

3 nights

Oct 14 - Oct 17

$387 → $321

17%

4 nights

Oct 20 - Oct 24

$383 → $319

17%

4 nights

Oct 27 - Oct 31

$381 → $319

16%

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 at $319.

📅 Best time to fly

Fly in July for the best prices

Historically, July, April, and May offer the lowest median prices for this route.

⏱️ Flight duration

Connecting flights take 13h 59m

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

✈️ Airlines & availability

Connecting flights are dominant

This route primarily features connecting flights, with no direct options available historically.

🏆 Airline highlight

American Airlines offers deals

American Airlines has recently offered deals for flights from Portland to Sioux Falls.

🎯 Booking tip

Deals appear regularly

Deals for flights on this route appear regularly, about once a month.

Portland main airports to depart from

Portland International (PDX)

Cheapest

Portland International Airport is a convenient option for flights from Portland to Sioux Falls.

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

💸 Flights from ~$269

Sioux Falls main airports to arrive at

Sioux Falls Regional (FSD)

Cheapest

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

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

💸 Flights from ~$269

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.

📍 ~230 km from Sioux Falls (reachable by car)

💸 Flights from ~$284

Business & First Class Flight Deals to Sioux Falls

$4,938

Save $1,000

Alaska Airlines, Inc.

Business Class

From PDX

Elite

Oct 21

Sioux Falls, United States

72% AI deal score

$5,850

$4,976

Save $874

Alaska Airlines, Inc.

Business Class

From PDX

Elite

Oct 21

Sioux Falls, United States

72% AI deal score

$5,971

$5,035

Save $936

Alaska Airlines, Inc.

Business Class

From PDX

Elite

Oct 25

Sioux Falls, United States

72% AI deal score

$5,971

$5,088

Save $883

Alaska Airlines, Inc.

Business Class

From PDX

Elite

Oct 21

Sioux Falls, United States

71% AI deal score

$5,691

$4,938

Save $753

Alaska Airlines, Inc.

Business Class

From PDX

Elite

Oct 21

Sioux Falls, United States

70% AI deal score

$5,742

$5,088

Save $654

Alaska Airlines, Inc.

Business Class

From PDX

Elite

Oct 24

Sioux Falls, United States

69% AI deal score

$5,944

$5,539

Save $405

Alaska Airlines, Inc.

Business Class

From PDX

Elite

Oct 22

Sioux Falls, United States

69% AI deal score

$5,944

$5,578

Save $366

Alaska Airlines, Inc.

Business Class

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 be less expensive than direct routes.

Booking in advance can often lead to better prices, especially for popular routes. However, last-minute deals can sometimes appear, though they are less common. Monitoring price trends over time may help you decide the optimal booking period.

Comparing nearby airports at both your origin and destination can sometimes uncover more affordable flight options. While it may add to your ground travel, the savings on airfare can be significant. Always factor in the total cost and convenience when considering this option.

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

Most itineraries for this route connect at least once, as 0% of recent fares were non-stop. When connecting, the typical number of stopovers is 1.

A typical journey from Portland to Sioux Falls takes approximately 13h 59m, including connections. This duration accounts for the common need for at least one stopover on this route.

The distance between Portland and Sioux Falls is 2051 km, classifying this as a medium-haul flight.

How much is a round trip from Portland to Sioux Falls

Regular price: $315 - $660

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

The regular price range for flights from Portland to Sioux Falls is $315 to $660. The current lowest deal is $319 with American Airlines for travel from Oct 20-Oct 24.

now $319

Low $315

High $660

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

American Airlines

United Airlines

Deutsche Luft Hansa

Last-minute flights going from Portland to Sioux Falls

Tue, Sep 15

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

$637

$1,215

One-way

Fri, Sep 18

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

United Airlines

$613

$479

One-way

Sat, Sep 19

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

United Airlines

$499

$511

One-way

Wed, Sep 23

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

American Airlines

$466

$397

One-way

Wed, Sep 23

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

$463

$473

One-way

Wed, Sep 23

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

United Airlines

$416

$511

One-way

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

1 night

Sep 18 - Sep 19

$613 → $482

21%

3 nights

Oct 14 - Oct 17

$387 → $321

17%

4 nights

Oct 20 - Oct 24

$383 → $319

17%

4 nights

Oct 27 - Oct 31

$381 → $319

16%

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 at $319.

📅 Best time to fly

Fly in July for the best prices

Historically, July, April, and May offer the lowest median prices for this route.

⏱️ Flight duration

Connecting flights take 13h 59m

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

✈️ Airlines & availability

Connecting flights are dominant

This route primarily features connecting flights, with no direct options available historically.

🏆 Airline highlight

American Airlines offers deals

American Airlines has recently offered deals for flights from Portland to Sioux Falls.

🎯 Booking tip

Deals appear regularly

Deals for flights on this route appear regularly, about once a month.

Portland main airports to depart from

Portland International (PDX)

Cheapest

Portland International Airport is a convenient option for flights from Portland to Sioux Falls.

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

💸 Flights from ~$269

Sioux Falls main airports to arrive at

Sioux Falls Regional (FSD)

Cheapest

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

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

💸 Flights from ~$269

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.

Sioux Falls, United States

69% AI deal score

$5,944

$5,578

Save $366

Alaska Airlines, Inc.

Business Class

Frequently Asked Questions About Flights to Sioux Falls

Cheap Flights from Portland to Sioux Falls

Today’s best flight deals from Portland to Sioux Falls

Portland to Sioux Falls: Overview

Insights for flights from Portland to Sioux Falls

How much is a round trip from Portland to Sioux Falls

The cheapest time to fly from Portland to Sioux Falls

Direct flights from Portland to Sioux Falls

Last-minute flights going from Portland to Sioux Falls

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

Popular Airports to fly from Portland to Sioux Falls

Portland - Sioux Falls route insights

Recent fares are below the typical level

Fly in July for the best prices

Connecting flights take 13h 59m

Connecting flights are dominant

American Airlines offers deals

Deals appear regularly

Portland main airports to depart from

Sioux Falls main airports to arrive at

Airports nearby Sioux Falls used as alternative

Business & First Class Flight Deals to Sioux Falls

Best Elite deals to Sioux Falls

Oct 14

Dec 09

Dec 10

Sep 30

Oct 25

Oct 21

Oct 21

Oct 25

Oct 21

Oct 21

Oct 24

Oct 22

Frequently Asked Questions About Flights to Sioux Falls

How can I find cheap flights from Portland to Sioux Falls?

When should I book flights from Portland to Sioux Falls?

Should I compare nearby airports for flights from Portland to Sioux Falls?

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

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

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

Related routes

More routes from Portland

Flights to Sioux Falls from other cities

Portland to Sioux Falls: Overview

Insights for flights from Portland to Sioux Falls

How much is a round trip from Portland to Sioux Falls

The cheapest time to fly from Portland to Sioux Falls

Direct flights from Portland to Sioux Falls

Last-minute flights going from Portland to Sioux Falls

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

Popular Airports to fly from Portland to Sioux Falls

Portland - Sioux Falls route insights

Recent fares are below the typical level

Fly in July for the best prices

Connecting flights take 13h 59m

Connecting flights are dominant

American Airlines offers deals

Deals appear regularly

Portland main airports to depart from

Sioux Falls main airports to arrive at

Airports nearby Sioux Falls used as alternative

Business & First Class Flight Deals to Sioux Falls

Best Elite deals to Sioux Falls

Oct 14

Dec 09

Dec 10

Sep 30

Oct 25

Oct 21

Oct 21

Oct 25

Oct 21

Oct 21

Oct 24

Oct 22

Frequently Asked Questions About Flights to Sioux Falls

How can I find cheap flights from Portland to Sioux Falls?

When should I book flights from Portland to Sioux Falls?

Should I compare nearby airports for flights from Portland to Sioux Falls?