United AirlinesDepart06:00
Tue, Nov 10SUX → PDX
6h 46m · 1 stop
$488one way, per person
View deal
- Cheapest fare
- $488
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 6h 46m
United Airlines · Tue, Nov 10
from $488
Usually 1+ stop
2,120 km
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Cheapest month to fly from Sioux City to Portland
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
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About flights from Sioux City to Portland
Sioux City (SUX) and Portland (PDX) are about 2,120 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 6h 46m. Over the next few months, one-way fares start from $488, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Sioux City to Portland?
The cheapest one-way fare we've seen recently is $488 with United Airlines, departing Tuesday, November 10, 2026.
What is the cheapest month to fly from Sioux City to Portland?
November 2026 currently has the lowest fares, from $488 one way.
Are there direct flights from Sioux City to Portland?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Sioux City to Portland?
The quickest journey we've seen takes about 6h 46m. Sioux City and Portland are around 2,120 km apart.
Which airlines fly from Sioux City to Portland?
Recent fares on this route were with United Airlines.
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