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 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Portland to Sioux Falls

Explore current cheapest deals departing from Portland to Sioux Falls

Round trip

Sort by: Cheapest

September 9 - September 15

Cheapest

PDX - Sioux Falls

$371

$291

Round trip

September 5 - September 12

Cheapest

PDX - Sioux Falls

$371

$291

Round trip

September 12 - September 15

Cheapest

PDX - Sioux Falls

$383

$291

Round trip

July 30 - August 12

Earliest

PDX - Sioux Falls

$347

$297

Round trip

July 30 - August 5

Earliest

PDX - Sioux Falls

$371

$300

Round trip

December 3 - December 8

Best

PDX - Sioux Falls

$443

$310

Round trip

September 10 - September 15

PDX - Sioux Falls

$382

$310

Round trip

September 11 - September 15

PDX - Sioux Falls

$382

$310

Round trip

September 22 - September 26

PDX - Sioux Falls

$389

$310

Round trip

September 24 - September 26

PDX - Sioux Falls

$391

$310

Round trip

Unlock all 500+ flight deals to Sioux Falls and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Portland to Sioux Falls

For travelers looking for cheap flights from Portland to Sioux Falls, July stands out as the most affordable month, with a median fare of just $188. April and May also offer competitive prices, both with median fares of $191. These months present the best opportunities for finding lower-cost travel options.

Fares for flights from Portland to Sioux Falls typically range from $318–$667, with a median price of $525. Right now, fares are significantly below the typical level, indicating a favorable time to consider booking. Currently, 19% of recent fares are classified as a good price, suggesting that deals are available for this route.

When flying from Portland to Sioux Falls, most itineraries connect at least once, as 0% of recent fares were non-stop. For connecting itineraries, the typical number of connections is 1, which is important to consider when planning your journey.

A typical journey from Portland to Sioux Falls, including connections, takes approximately 13h 1m. This duration reflects the need for at least one stopover, as direct flights are not available on this route. Travelers should account for this extended travel time when making their plans.

The distance between Portland and Sioux Falls is 2051 km, classifying this as a medium-haul route. This distance typically involves a longer travel day with at least one connection, impacting the overall journey time.

How much is a round trip from Portland to Sioux Falls

Regular price: $309 - $584

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 $309 and $584. The current lowest deal is $291 with American Airlines, for travel from Sep 9-Sep 15.

now $291

Low $309

High $584

The cheapest time to fly from Portland to Sioux Falls

The cheapest month to fly from Portland to Sioux Falls is July, with a median price of $188. The most expensive month to fly is June, with a median price of $555. Prices are generally lower from April to August.

July

Cheapest

Flights from $188

June

Most Expensive

Flights from $555

Apr

May

Jun

Jul

Aug

Sep

Direct flights from Portland to Sioux Falls

Allegiant Air

Frontier Airlines

United Airlines

American Airlines

Last-minute flights going from Portland to Sioux Falls

Thu, Jun 18

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

$558

$523

One-way

Thu, Jun 25

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

United Airlines

$477

$400

One-way

Mon, Jun 29

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

$439

$435

One-way

Mon, Jun 29

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

$461

$521

One-way

Fri, Jul 3

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

United Airlines

$361

$594

One-way

Sat, Jul 4

⌛ Last-Minute

PDX - Sioux Falls

Portland (PDX) - Sioux Falls (FSD)

American Airlines

$393

$396

One-way

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

5 nights

Dec 3 - Dec 8

$443 → $310

30%

3 nights

Sep 12 - Sep 15

$383 → $291

24%

2 nights

Sep 24 - Sep 26

$391 → $310

21%

7 nights

Aug 24 - Aug 31

$410 → $329

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 deals around $291.

📅 Best time to fly

Fly in July for the cheapest prices

Historically, July is the cheapest month to fly from Portland to Sioux Falls, with a median price of $188.

⏱️ Flight duration

Connecting flights take 13h 1m on average

Flights from Portland to Sioux Falls typically involve one stop and have a median duration of 13h 1m.

✈️ Airlines & availability

Connecting flights are available daily

Connecting flights are regularly available, with deals appearing about 0.3 times per day.

🏆 Airline highlight

American Airlines offers a recent deal

American Airlines recently offered a deal for $291 from Portland to Sioux Falls.

🎯 Booking tip

Consider deals with 1 stop

All flights on this route are connecting flights, with a median of 1 stop.

Portland main airports to depart from

Portland International (PDX)

Cheapest

Portland International Airport is a good choice for flights from Portland to Sioux Falls.

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

💸 Flights from ~$291

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.

📍 ~5 km from city center (reachable by car)

💸 Flights from ~$291

Airports nearby Sioux Falls used as alternative

Eppley Airfield (OMA)

Eppley Airfield often provides more competitive pricing and significantly more direct flights than FSD.

📍 ~235 km from Sioux Falls (reachable by car)

💸 Flights from ~$279

Minneapolis–Saint Paul International (MSP)

Minneapolis–Saint Paul International is a major international hub offering global connectivity and frequent flights.

📍 ~340 km from Sioux Falls (reachable by car)

💸 Flights from ~$221

Sioux Gateway (SUX)

Sioux Gateway is the closest geographical alternative to Sioux Falls, convenient for specific regional connections.

📍 ~135 km from Sioux Falls (reachable by car)

💸 Flights from ~$517

Des Moines International (DSM)

Cheapest

Des Moines International is a reliable regional hub with multiple carrier options for central Iowa and surrounding areas.

📍 ~300 km from Sioux Falls (reachable by car)

💸 Flights from ~$168

Hector International (FAR)

Hector International offers a comparable service level to Sioux Falls for regional travel to the northern Midwest.

📍 ~370 km from Sioux Falls (reachable by car)

💸 Flights from ~$329

Business & First Class Flight Deals to Sioux Falls

Sioux Falls, United States

43% AI deal score

$6,152

From PDX

Elite

Jun 23

Sioux Falls, United States

41% AI deal score

$4,000

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. Setting up price alerts may also help you catch a good offer.

Booking in advance is often recommended, as prices may increase closer to the departure date. However, sometimes last-minute deals can appear. Monitoring price trends can help you decide on an optimal booking time.

Comparing nearby airports can sometimes lead to more affordable flight options or different schedules. Even if the main destination airport is convenient, checking alternatives might offer savings. Remember to factor in ground transportation costs and time if choosing a different airport.

Related routes

Consider alternative routes from Portland

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Cheap Flights from Portland to Sioux Falls

Today’s best flight deals from Portland to Sioux Falls

Unlock all 500+ flight deals to Sioux Falls and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

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 cheapest prices

Connecting flights take 13h 1m on average

Connecting flights are available daily

American Airlines offers a recent deal

Consider deals with 1 stop

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

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Frequently Asked Questions About Flights to Sioux Falls

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

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

When should I book flights from Portland to Sioux Falls?

When should I book flights from Portland to Sioux Falls?