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← All flights on this route
By ContinueWithCaution - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=41904619
FROM SEATTLE (SEA)
Flights Seattle → Sioux City
Seattle → Sioux City flights: what we spotted
Since October 2026, Flight Deal Spot has spotted 1 price drop on Seattle → Sioux City flights, up to −40% below the usual price.
Deals go fast and come back without warning. Rather than checking every day, create a free radar: it tells you by email or on Discord as soon as a Seattle → Sioux City flight drops below its usual price again.
FOLLOW THIS ROUTE
Create my radar →Get told about the next deals to Sioux City
A free radar follows Sioux City from Seattle (SEA) and tells you by email or Discord.
Seattle (SEA) → Sioux City
To Sioux City, from other cities
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Elsewhere in United States, from Seattle (SEA)
1 stop(s) · 8 daysRound trip · EconomyCheck baggage
$156$277
Nov 23 → Dec 1View flight →
Observed Oct 9, 2026, 3:51 a.m. UTC
Your next escape?Prices and dates with Premium
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Your next escape?Prices and dates with Premium
•••Premium
Full catalogueExplore Premium →
Your next escape?Prices and dates with Premium
•••Premium
Full catalogueExplore Premium →
Your next escape?Prices and dates with Premium
•••Premium
Full catalogueExplore Premium →
Your next escape?Prices and dates with Premium
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SEA → ISP
Islip
United States
From Seattle (SEA)
Your next escape?Prices and dates with Premium
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