$91 Cheap Flights from Sioux Falls (FSD) to Portland (PDX)

View $91 flight on Thu, Dec 11, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $91 for one-way flights and $164 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Nov 10 - Sat, Nov 15
FSD
Sioux Falls
PDX
Portland
$164 Roundtrip, found 1 day ago
$164
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Nov 10 from Sioux Falls to Portland, returning Sat, Nov 15, priced at $164 found 1 day ago
Frontier Airlines
Mon, Nov 3 - Sat, Nov 15
FSD
Sioux Falls
PDX
Portland
$180 Roundtrip, found 1 day ago
$180
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Nov 3 from Sioux Falls to Portland, returning Sat, Nov 15, priced at $180 found 1 day ago
Frontier Airlines
Mon, Oct 27 - Sat, Nov 8
FSD
Sioux Falls
PDX
Portland
$184 Roundtrip, found 2 days ago
$184
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Oct 27 from Sioux Falls to Portland, returning Sat, Nov 8, priced at $184 found 2 days ago
Frontier Airlines
Fri, Oct 31 - Sat, Nov 15
FSD
Sioux Falls
PDX
Portland
$192 Roundtrip, found 1 day ago
$192
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Oct 31 from Sioux Falls to Portland, returning Sat, Nov 15, priced at $192 found 1 day ago
Frontier Airlines
Thu, Nov 13 - Sat, Nov 15
FSD
Sioux Falls
PDX
Portland
$206 Roundtrip, found 14 hours ago
$206
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Thu, Nov 13 from Sioux Falls to Portland, returning Sat, Nov 15, priced at $206 found 14 hours ago
Frontier Airlines
Sun, Nov 9 - Sat, Nov 15
FSD
Sioux Falls
PDX
Portland
$221 Roundtrip, found 1 day ago
$221
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Nov 9 from Sioux Falls to Portland, returning Sat, Nov 15, priced at $221 found 1 day ago
American Airlines
Sat, Nov 15 - Tue, Nov 18
FSD
Sioux Falls
PDX
Portland
$251 Roundtrip, found 14 hours ago
$251
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Sat, Nov 15 from Sioux Falls to Portland, returning Tue, Nov 18, priced at $251 found 14 hours ago
Delta
Wed, Dec 3 - Sat, Dec 13
FSD
Sioux Falls
PDX
Portland
$251 Roundtrip, just found
$251
Roundtrip
just found
Select Delta flight, departing Wed, Dec 3 from Sioux Falls to Portland, returning Sat, Dec 13, priced at $251 just found
United
Tue, Jan 6 - Sat, Feb 7
FSD
Sioux Falls
PDX
Portland
$251 Roundtrip, found 7 hours ago
$251
Roundtrip
found 7 hours ago
Select United flight, departing Tue, Jan 6 from Sioux Falls to Portland, returning Sat, Feb 7, priced at $251 found 7 hours ago
Alaska Airlines
Wed, Nov 19 - Sun, Nov 23
FSD
Sioux Falls
PDX
Portland
$429 Roundtrip, found 6 hours ago
$429
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Wed, Nov 19 from Sioux Falls to Portland, returning Sun, Nov 23, priced at $429 found 6 hours ago

Find the cheapest month to fly from Sioux Falls (FSD) to Portland (PDX)

February is typically the cheapest month to fly

From $158 - $614 per traveler.

Alternative airports near Portland

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

Select flight to Portland Intl. PDX. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $345
PDX
Portland Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $345

Frequently asked questions

How much does a flight from Sioux Falls Regional Airport (FSD) to Portland Intl. Airport (PDX) cost?
Secure a cheap one-way flight from $91 or cheap return flight from $164 from Sioux Falls Regional Airport (FSD) to Portland Intl. Airport (PDX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Sioux Falls Regional Airport (FSD) to Portland Intl. Airport (PDX)?
Planning your getaway for November is a great way to save, as it's the cheapest month for flights between FSD and PDX. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Sioux Falls Regional Airport (FSD) to Portland Intl. Airport (PDX)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from FSD to PDX. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Sioux Falls Regional Airport (FSD) to Portland Intl. Airport (PDX)?
There aren't any daily direct flights available from Sioux Falls Regional Airport (FSD) to Portland Intl. Airport (PDX). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from FSD to PDX?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sioux Falls Regional Airport (FSD) to Portland Intl. Airport (PDX)?
Book a flight from Sioux Falls Regional Airport (FSD) to Portland Intl. Airport (PDX) that leaves before 3 PM to reduce the risk of cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Sioux Falls Regional Airport (FSD) to Portland Intl. Airport (PDX) last-minute?
Holding off until right before your break to book your flight from FSD to PDX often results in higher prices. While you might find some last-minute deals, there's no guarantee. Be flexible with your itinerary to boost your chances of getting a bargain.
Is it cheaper to book a FSD to PDX flight and hotel package?
Compared with arranging flights and hotels separately, booking a FSD to PDX flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place takes the hassle out of travel planning. Simply pick your flights and choose from our wide range of hotels, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Sioux Falls Regional Airport (FSD) to Portland Intl. Airport (PDX)?
If you reserved your FSD to PDX flight in 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 purchased, 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 for more details.

Travel information

Origin airport
Sioux Falls Regional
Destination airport
Portland Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$164
Distance
1274 mi

Book with confidence

Sioux Falls to Portland Flights

The cheapest times to fly from Sioux Falls to Portland

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 Sioux Falls to Portland are during the month of November. You can find some of the cheapest flights from Sioux Falls to Portland with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Sioux Falls to Portland: 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 Sioux Falls to Portland

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 Sioux Falls to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $91 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 Sioux Falls to Portland 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 Sioux Falls to Portland 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.

 

Sioux Falls to Portland Flights

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*Available to One Key members.