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Sioux City

$354+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SUX
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from San Francisco to Sioux City

Best flights from San Francisco to Sioux City
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 December 23, 2025.

This United Airlines deal was found by Cheapflights users on 12/20. 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.
Wed 2/44:31 pmSFO - SUX
1 stop5h 16mUnited Airlines
Sun 2/86:00 amSUX - SFO
1 stop7h 58mUnited Airlines
Deal found 12/20$354

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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$354
(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
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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 December 23, 2025.
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

Wed 2/4

4:31 pm-11:47 pm

1 stop5h 16m

Sioux City Sioux Gateway

Sun 2/8

6:00 am-11:58 am

1 stop7h 58m

$354

San FranciscoSioux City

SFO - SUX

SFOSUX

San Francisco

Mon 6/15

7:36 pm-10:39 am

1 stop13h 03m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Francisco-Sioux City flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, January is the cheapest month in which you can book a flight from San Francisco to Sioux City (average of $128). 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.

What is the cheapest time of day to fly from SFO to SUX?

Find hourly flight availability from San Francisco to Sioux City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

It’s typically best to fly out from San Francisco to Sioux City in the morning. Doing so could potentially save you 41% on the flight price compared to flying in the evening, which is usually more expensive.

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 December 23, 2025.
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
9,105 reviews

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

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
9,105 reviews
United Airlines
7.4
Good
9,105 reviews

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

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 5h 16m. United Airlines provides one of the quickest options available for as low as $354. 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 $372 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, January is the cheapest month in which you can book a flight from San Francisco to Sioux City (average of $128). 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$372Average$703FlexibilityNo cancel feeOn-time69%

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