$434+ Cheap flights from San Francisco to Sioux City (SFO - SUX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SUX
Oct 21 — Oct 281
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Sioux City with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Sioux City
Cheapest
Best
Last-minute
Cheapest flights from San Francisco to Sioux CityExplore the most affordable flight options available from San Francisco to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 21, 2026.
Explore the most affordable flight options available from San Francisco to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 21, 2026.
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:24 pm -
1 stop5h 19m
Sat 11/146:00 am -
1 stop10h 42m
Deal found 9/16![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:15 am -
1 stop7h 38m
Tue 9/296:58 pm -
1 stop5h 53m
Deal found 9/20![United Airlines logo]()
$514
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:00 am -
1 stop16h 43m
Tue 10/206:58 pm -
1 stop5h 53m
Deal found 9/20![United Airlines logo]()
$517
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:35 am -
1 stop7h 15m
Sun 11/296:45 pm -
1 stop14h 03m
Deal found 9/21![United Airlines logo]()
$875
Best flights from San Francisco to Sioux CityDiscover carefully curated flight deals from San Francisco to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
Discover carefully curated flight deals from San Francisco to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:24 pm -
1 stop5h 19m
Sat 11/146:00 am -
1 stop10h 42m
Deal found 9/16![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:15 am -
1 stop7h 38m
Tue 9/296:58 pm -
1 stop5h 53m
Deal found 9/20![United Airlines logo]()
$514
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:00 am -
1 stop16h 43m
Tue 10/206:58 pm -
1 stop5h 53m
Deal found 9/20![United Airlines logo]()
$517
Last-minute flights from San Francisco to Sioux CityDiscover last-minute flight deals from San Francisco to Sioux City. Data last updated September 21, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Sioux City. Data last updated September 21, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:15 am -
1 stop7h 38m
Tue 9/296:58 pm -
1 stop5h 53m
Deal found 9/20![United Airlines logo]()
$514
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:00 am -
1 stop16h 43m
Tue 10/206:58 pm -
1 stop5h 53m
Deal found 9/20![United Airlines logo]()
$517
Find flight deals from San Francisco to Sioux City
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Sioux City (SUX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $434 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Sioux City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 21, 2026.
Use the filters below to find and compare flights from San Francisco to Sioux City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoSioux City
SFO San Francisco - SUX Sioux City Sioux Gateway
SFOSUX
San Francisco
Tue 11/10
4:24 pm-11:43 pm
1 stop5h 19m
Sioux City Sioux Gateway
Sat 11/14
6:00 am-2:42 pm
1 stop10h 42m
$434
Quickest round-trip
San FranciscoSioux City
SFO San Francisco - SUX Sioux City Sioux Gateway
SFOSUX
San Francisco
Sat 9/26
8:15 am-5:53 pm
1 stop7h 38m
Sioux City Sioux Gateway
Tue 9/29
6:58 pm-10:51 pm
1 stop5h 53m
$514
San FranciscoSioux City
SFO San Francisco - SUX Sioux City Sioux Gateway
SFOSUX
San Francisco
Thu 10/15
5:00 am-11:43 pm
1 stop16h 43m
Sioux City Sioux Gateway
Tue 10/20
6:58 pm-10:51 pm
1 stop5h 53m
$517
Sorted by cheapest first
Compare providers for flights from San Francisco to Sioux City
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Sioux City in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Sioux City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Sioux City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Sioux City flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Sioux City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Sioux City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Francisco to Sioux City
Have a flexible travel schedule? Discover the best time to fly to Sioux City from San Francisco with our price prediction graph.
SFO-SUX
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Reviews of airlines servicing Sioux City
Get insights into the airlines that provide service to Sioux City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sioux City. Reviews last updated September 21, 2026.
Peruse reviews from past customers who have flown with United Airlines from San Francisco to Sioux City to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Crew
8.1
Comfort
7.3
Overall
7.4
Entertainment
7.1
Food
6.7
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Boarding
7.7
Crew
8.1
Comfort
7.3
Overall
7.4
Entertainment
7.1
Food
6.7
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Sioux City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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San Francisco and Sioux City flights
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Top airline flying from San Francisco to Sioux City
Discover the top airline that operate flights from San Francisco to Sioux City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$445 | Average$815 | FlexibilityNo cancel fee | On-time69% |