$324 Cheap Flights from Portland (PDX) to Sioux Falls (FSD)

View $324 flight on Sun, Aug 9, 2026Opens in a new window

Popular airlines from Portland International Airport (PDX) to Sioux Falls Regional Airport (FSD)

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Cheap Flights from Portland to Sioux Falls (PDX-FSD)

Prices were available within the past 7 days and start at $324 for one-way flights and $291 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Jul 11 - Sat, Jul 18
PDX
Portland
FSD
Sioux Falls
$291 Roundtrip, found 11 hours ago
$291
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sat, Jul 11 from Portland to Sioux Falls, returning Sat, Jul 18, priced at $291 found 11 hours ago
United
Sat, Sep 26 - Tue, Sep 29
PDX
Portland
FSD
Sioux Falls
$296 Roundtrip, found 4 days ago
$296
Roundtrip
found 4 days ago
Select United flight, departing Sat, Sep 26 from Portland to Sioux Falls, returning Tue, Sep 29, priced at $296 found 4 days ago
Delta
Wed, Oct 28 - Wed, Nov 4
PDX
Portland
FSD
Sioux Falls
$301 Roundtrip, found 1 day ago
$301
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Oct 28 from Portland to Sioux Falls, returning Wed, Nov 4, priced at $301 found 1 day ago
United
Wed, Dec 2 - Wed, Dec 9
PDX
Portland
FSD
Sioux Falls
$302 Roundtrip, found 5 days ago
$302
Roundtrip
found 5 days ago
Select United flight, departing Wed, Dec 2 from Portland to Sioux Falls, returning Wed, Dec 9, priced at $302 found 5 days ago
United
Sat, Sep 5 - Sun, Sep 6
PDX
Portland
FSD
Sioux Falls
$305 Roundtrip, found 6 days ago
$305
Roundtrip
found 6 days ago
Select United flight, departing Sat, Sep 5 from Portland to Sioux Falls, returning Sun, Sep 6, priced at $305 found 6 days ago
United
Sat, Sep 26 - Tue, Sep 29
PDX
Portland
FSD
Sioux Falls
$307 Roundtrip, found 4 days ago
$307
Roundtrip
found 4 days ago
Select United flight, departing Sat, Sep 26 from Portland to Sioux Falls, returning Tue, Sep 29, priced at $307 found 4 days ago
United
Sat, Sep 26 - Tue, Sep 29
PDX
Portland
FSD
Sioux Falls
$308 Roundtrip, found 4 days ago
$308
Roundtrip
found 4 days ago
Select United flight, departing Sat, Sep 26 from Portland to Sioux Falls, returning Tue, Sep 29, priced at $308 found 4 days ago
United
Sat, Sep 26 - Tue, Sep 29
PDX
Portland
FSD
Sioux Falls
$309 Roundtrip, found 4 days ago
$309
Roundtrip
found 4 days ago
Select United flight, departing Sat, Sep 26 from Portland to Sioux Falls, returning Tue, Sep 29, priced at $309 found 4 days ago
United
Tue, Oct 27 - Tue, Nov 3
PDX
Portland
FSD
Sioux Falls
$311 Roundtrip, found 2 days ago
$311
Roundtrip
found 2 days ago
Select United flight, departing Tue, Oct 27 from Portland to Sioux Falls, returning Tue, Nov 3, priced at $311 found 2 days ago
Alaska Airlines
Wed, Dec 2 - Wed, Dec 9
PDX
Portland
FSD
Sioux Falls
$603 Roundtrip, found 5 days ago
$603
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Dec 2 from Portland to Sioux Falls, returning Wed, Dec 9, priced at $603 found 5 days ago

Alternative airports near Sioux Falls

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sioux Falls Regional FSD. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $504
FSD
Sioux Falls Regional
CheapestClosest
Average driving time to city center6 min
Flights from $504

What you need to know for your flight from Portland Intl. to Sioux Falls Regional

Portland (PDX) to Sioux Falls (FSD) at a glance

Explore a range of airlines offering flights from Portland International Airport (PDX) to Sioux Falls Regional Airport (FSD) on this domestic short-haul route. Whether you're looking for cheap flights from Portland or prefer a full-service experience, comparing airfares to Sioux Falls will help you find the travel option that aligns with your budget and schedule. Get ready to discover the scenic attractions and vibrant neighborhoods that Sioux Falls has to offer.

  • Fastest flight duration: around 4h 15m in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 1,300 miles (2,090 km)
  • Flights per week: around 10 departures on average
  • Typical fares (one-way): economy tickets often range from $105–$545, depending on seasonality and how far ahead you book

Flights from Portland International Airport (PDX) to Sioux Falls Regional Airport (FSD)

According to recent traveler bookings, the top airlines flying from Portland to Sioux Falls are favored for their one-stop services. Common layover points include Denver International Airport (DEN), with a layover of approximately 1 hour and 15 minutes; Minneapolis-St. Paul International Airport (MSP), which typically has a 2 hour and 45 minute layover; and Dallas-Fort Worth International Airport (DFW), offering around 1 hour and 45 minutes of waiting time. This allows travelers to customize their journey based on price, total travel time, and cabin class.

  • United: This full-service airline provides convenient one-stop service, with one-way ticket prices generally ranging from $125 to $560. United operates about 47% of flights on this route, with an in-flight duration of 4 hours and 15 minutes, leading to a total travel time of approximately 5 hours and 45 minutes, including layover.
  • Delta: As another full-service carrier, Delta offers one-stop flights with one-way fares typically falling between $105 and $545. They account for around 21% of departures on this route, featuring a flight time of 4 hours and 15 minutes and a total journey of about 5 hours and 45 minutes, including layover.
  • Frontier Airlines: This low-cost airline provides one-stop service, with one-way fares usually ranging from $105 to $295. Frontier handles approximately 16% of departures on this route, maintaining an in-flight duration of 4 hours and 15 minutes, resulting in a total travel time of roughly 5 hours and 45 minutes, including layover.
  • American Airlines: A full-service option, American Airlines offers one-stop service with one-way fares that usually range from $105 to $565. They account for about 16% of flights on this route, with an in-flight time of 4 hours and 15 minutes and a total travel duration of around 5 hours and 45 minutes, including layover.
  • Alaska Airlines: This full-service carrier offers one-stop flights with one-way fares typically ranging from $330 to $560. Alaska Airlines makes up approximately 1% of departures on this route, providing an in-flight duration of 4 hours and 15 minutes, resulting in a total journey time of about 5 hours and 45 minutes, including layover.

Travelers flying from Portland to Sioux Falls can opt to elevate their experience with an upgrade, as United provides first-class service on this route.

Best time to fly from Portland (PDX) to Sioux Falls (FSD)

The most popular months for travelers flying from Portland to Sioux Falls are April, June, and July, when peak temperatures in Sioux Falls reach up to 73.2°F in July. If you prefer quieter travel, consider November, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 36.1°F. For better deals, August usually offers the lowest average one-way fare around $214. Flight availability peaks in July, with approximately 14 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: August usually offers good deals with average one-way fare around $214, roughly 18% cheaper than the yearly average.
  • More budget-friendly months to fly: February and May typically offer average one-way fares of around $230.
  • Most flight options: July has the highest number of flights from Portland to Sioux Falls, with approximately 14 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January16.9°F (-8.4°C)Average9$283
February19.2°F (-7.1°C)Average8$230
March34.9°F (1.6°C)Average10$311
April46.2°F (7.9°C)High11$250
May58.6°F (14.8°C)Average10$231
June69.4°F (20.8°C)High11$252
July73.2°F (22.9°C)High14$264
August71.4°F (21.9°C)Average11$214
September64.6°F (18.1°C)Average12$247
October49.3°F (9.6°C)Low10$293
November36.1°F (2.3°C)Low8$248
December22.8°F (-5.1°C)Low13$329

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Portland (PDX) to Sioux Falls (FSD)

  • Portland to Sioux City (PDX-SUX): Sioux Gateway Airport (SUX) is located approximately 83 miles from Sioux Falls Regional Airport (FSD). One-way economy fares for this journey generally fall between $125 and $550, influenced by the season and when tickets are purchased. This route primarily features one-stop flights, with common layover points at Denver International Airport (DEN) and O'Hare International Airport (ORD). The leading airline operating this route is United.

How to find the best prices for flights from Portland (PDX) to Sioux Falls (FSD)

Getting some of the best deals on flights from Portland to Sioux Falls is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking 2-8 weeks in advance, which aligns with when most travelers make their reservations. Early morning departures (12am-5am) often provide lower prices, although morning flights (5am-12pm) are more popular. Additionally, flying on Friday typically offers better prices, while Thursday remains the most sought-after travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Sioux Falls hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Sioux Falls Regional Airport from Portland International Airport

Sioux Falls welcomes travelers from Portland with a range of transport options based on price, convenience, and proximity. Here's how to reach Sioux Falls efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Sioux Falls, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Sioux Falls Regional Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Sioux Falls Regional Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.

Frequently asked questions

How much does a flight from Portland, OR (PDX-Portland Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) cost?
You can find cheap one-way flights from $324 and cheap return flights from $291 Portland, OR (PDX-Portland Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) with Expedia. One-way flights typically cost between $163 and $935, and return flights often range between $374 and $1373. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Portland, OR (PDX-Portland Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Portland, OR (PDX-Portland Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
September is the cheapest month to fly from Portland, OR (PDX) to Sioux Falls, SD (FSD), with average return fares around $387. This is about 15% lower than the average price throughout the year, likely due to reduced travel demand after the summer. Other economical months to consider are January and April.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Portland, OR (PDX-Portland Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
Enter PDX to FSD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Portland, OR (PDX-Portland Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
Frontier Airlines is one of the cheapest airlines offering connecting flights from Portland Intl. (PDX) to Sioux Falls Regional (FSD), with round-trip tickets starting from around $228.18. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Portland, OR (PDX-Portland Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
To find a cheap flight from Portland, OR (PDX-Portland Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Portland, OR (PDX-Portland Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
The best time to fly from Portland, OR (PDX) to Sioux Falls, SD (FSD) is typically in September or January. During these months, you can find return flights at around $387, making it a budget-friendly option. September is ideal as it offers pleasant weather and fewer crowds, while January sees lower travel demand after the holiday season, allowing for better prices.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Portland, OR (PDX-Portland Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
The earliest flight from Portland International Airport (PDX) to Sioux Falls Regional Airport (FSD) typically departs at 12:05 AM, operated by American Airlines. This is a seasonal service active in June and July, giving you an early start to your travels. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Portland, OR (PDX-Portland Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
Flying from PDX to FSD with a connection usually takes about 9 hours, traveling roughly 1,274 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Portland, OR (PDX-Portland Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
Select the "Business class" and "First class" filters when looking for PDX to FSD flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Portland, OR (PDX-Portland Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight with Expedia?
It's easy to earn miles on a Portland, OR (PDX-Portland Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Sioux Falls from Portland Intl. (PDX)?
From Portland Intl. (PDX), you can fly into Sioux Falls Regional (FSD) to reach Sioux Falls. Some flights may connect through major hubs like San Francisco Intl. (SFO), Denver Intl. (DEN), Seattle - Tacoma Intl. (SEA) before reaching Sioux Falls. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Portland, OR (PDX-Portland Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) at the last minute?
Typically, booking a last minute flight from Portland, OR (PDX-Portland Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Portland, OR (PDX-Portland Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight and hotel package?
Securing a Portland, OR (PDX-Portland Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) Sioux Falls Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland, OR (PDX-Portland Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
If you booked your Portland, OR (PDX-Portland Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Portland Intl.
Destination airport
Sioux Falls Regional
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$290
Distance
1274 mi

Book with confidence

Portland to Sioux Falls Flights

The cheapest times to fly from Portland to Sioux Falls

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Sioux Falls are during the month of July. You can find some of the cheapest flights from Portland to Sioux Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Sioux Falls

Sunday is one of the best days to book for cheap flights from Portland to Sioux Falls: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Sioux Falls

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Sioux Falls in 2026. You can also book with separate airlines for your outbound and return journeys, from $324 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Sioux Falls flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Sioux Falls airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Portland to Sioux Falls Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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