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$404+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SUX
Mar 12 — Mar 191
Thu 3/12
Thu 3/19
1 adult, Economy
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Cheap flight deals from San Francisco to Sioux City

Cheapest flights from San Francisco to Sioux City
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 February 10, 2026.

This United Airlines deal was found by Cheapflights users on 2/7. 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 2/216:45 am
SFO
-
SUX
1 stop8h 56m
United Airlines
Wed 2/256:46 pm
SUX
-
SFO
1 stop6h 32m
United Airlines
Deal found 2/7$404
This United Airlines deal was found by Cheapflights users on 2/8. 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 2/122:44 pm
SFO
-
SUX
1 stop6h 58m
United Airlines
Sat 2/146:46 pm
SUX
-
SFO
1 stop6h 31m
United Airlines
Deal found 2/8$454
This United Airlines deal was found by Cheapflights users on 2/10. 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 5/79:08 pm
SFO
-
SUX
1 stop11h 33m
United Airlines
Mon 5/116:42 pm
SUX
-
SFO
1 stop6h 00m
United Airlines
Deal found 2/10$496
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 2/257:25 am
SFO
-
SUX
2 stops14h 17m
United Airlines
Sun 3/11:00 pm
SUX
-
SFO
1 stop10h 21m
United Airlines
Deal found 2/10$527

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 February 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$404
(United Airlines)
Provider with most accurate pricing for San Francisco-Sioux City Sioux Gateway flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Sioux City Sioux Gateway flights.
Search Deals
From San Francisco to Sioux City Sioux Gateway
Search Deals

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 2,558,603 searches. Data last updated February 10, 2026.
Use the filters below to find and compare flights from San Francisco to Sioux City that are best for you.

Fly from

San Francisco

Fly to

Sioux City

Route

Depart

Return

Price

San FranciscoSioux City

SFO - SUX

SFOSUX

San Francisco

Sat 2/21

2:44 pm-11:42 pm

1 stop6h 58m

Sioux City Sioux Gateway

Wed 2/25

6:46 pm-11:18 pm

1 stop6h 32m

$404

San FranciscoSioux City

SFO - SUX

SFOSUX

San Francisco

Thu 5/7

9:08 pm-10:41 am

1 stop11h 33m

Sioux City Sioux Gateway

Mon 5/11

6:42 pm-10:42 pm

1 stop6h 00m

$496

San FranciscoSioux City

SFO - SUX

SFOSUX

San Francisco

Wed 2/25

7:25 am-11:42 pm

2 stops14h 17m

Sioux City Sioux Gateway

Sun 3/1

1:00 pm-9:21 pm

1 stop10h 21m

$527

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/6

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Sioux City

What is the cheapest month to book a flight from San Francisco to Sioux City?

Currently, May is the cheapest month in which you can book a flight from San Francisco to Sioux City (average of $140). Flying from San Francisco to Sioux City in November is currently the most expensive (average of $292). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 February 10, 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.
United Airlines
7.4
Good
9,269 reviews

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
9,269 reviews
United Airlines
7.4
Good
9,269 reviews

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • How long is the flight from San Francisco to Sioux City?

    A quick flight from San Francisco to Sioux City can take about 6h 58m. United Airlines provides one of the quickest options available for as low as $404. The distance between San Francisco and Sioux City is about 1408 mi.

  • What is the cheapest airline to fly from San Francisco to Sioux City round-trip?

    Our cheapest airline available from San Francisco to Sioux City is United Airlines. Our recent data shows that you can find tickets from as low as $473 on this airline.

  • Can I find deals for flights from San Francisco to Sioux City that include hotel bookings?

    Yes. In addition to deals on San Francisco to Sioux City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Sioux City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Sioux City.

  • Can I find deals for business class flights from San Francisco to Sioux City?

    Yes. Cheapflights offers flight deals from San Francisco to Sioux City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Sioux City?

    Currently, May is the cheapest month in which you can book a flight from San Francisco to Sioux City (average of $140). Flying from San Francisco to Sioux City in November is currently the most expensive (average of $292). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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 2,558,603 searches. Data last updated February 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$473Average$815FlexibilityNo cancel feeOn-time69%

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