When did momondo last update prices for flights from Sioux City Sioux Gateway Airport to Spain?

Prices for flights from Sioux City Sioux Gateway Airport to Spain were last updated today.

How old do you have to be to fly from Sioux City Sioux Gateway Airport to Spain?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sioux City Sioux Gateway Airport to Spain.

What documentation or ID do you need to fly to Spain?

The required travel and health documents for your Spain trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Spain. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$1,118 Cheap Flights from Sioux City to Spain in 2026

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0 bags

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Find the cheapest flights from Sioux City to Spain

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:42 pm - 8:05 am

SUX

MAD

54h 23m

2 stops

11:15 am - 10:41 am

MAD

SUX

30h 26m

2 stops

$1,118United Airlines

Fri, May 1 - Sun, May 10

6:30 pm - 8:50 am

SUX

MAD

55h 20m

2 stops

1:15 pm - 11:44 pm

MAD

SUX

41h 29m

2 stops

$1,522United Airlines

Sun, May 24 - Sun, May 31

7:53 am - 6:50 am

SUX

MAD

15h 57m

2 stops

10:50 am - 11:44 pm

MAD

SUX

19h 54m

3 stops

$6,134United Airlines

Sun, May 24 - Sun, May 31

7:53 am - 6:50 am

SUX

MAD

15h 57m

3 stops

5:55 am - 5:54 pm

MAD

SUX

18h 59m

3 stops

$7,395United Airlines

Sun, May 24 - Sun, May 31

12:55 pm - 12:20 pm

SUX

MAD

16h 25m

2 stops

10:50 am - 11:32 pm

MAD

SUX

19h 42m

3 stops

$7,569United Airlines

Fri, May 1 - Sun, May 10

United Airlines flights from Sioux City to Spain

Our best United Airlines deals on Sioux City to Spain flight tickets

United Airlines

May 1

SUX6:42 pmSioux City Sioux Gateway

54h 23m

2 stops

MAD8:05 amMadrid Barajas

May 10

MAD11:15 amMadrid Barajas

30h 26m

2 stops

SUX10:41 amSioux City Sioux Gateway

$1,118

United Airlines

May 24

SUX6:30 pmSioux City Sioux Gateway

55h 20m

2 stops

MAD8:50 amMadrid Barajas

May 31

MAD1:15 pmMadrid Barajas

41h 29m

2 stops

SUX11:44 pmSioux City Sioux Gateway

$1,522

United Airlines

May 24

SUX7:53 amSioux City Sioux Gateway

15h 57m

2 stops

MAD6:50 amMadrid Barajas

May 31

MAD10:50 amMadrid Barajas

19h 54m

3 stops

SUX11:44 pmSioux City Sioux Gateway

$6,134

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux CityMadrid

SUX - MAD

SUXMAD

Sioux City Sioux Gateway

Fri 5/1

6:42 pm-8:05 am

2 stops54h 23m

Madrid Barajas

Sun 5/10

11:15 am-10:41 am

2 stops30h 26m

$1,118

Sioux CityMadrid

SUX - MAD

SUXMAD

Sioux City Sioux Gateway

Sun 5/24

6:30 pm-8:50 am

2 stops55h 20m

Madrid Barajas

Sun 5/31

1:15 pm-11:44 pm

2 stops41h 29m

$1,522

Sioux CityMadrid

SUX - MAD

SUXMAD

Sioux City Sioux Gateway

Sun 5/24

7:53 am-6:50 am

2 stops15h 57m

Madrid Barajas

Sun 5/31

10:50 am-11:44 pm

3 stops19h 54m

$6,134

Quickest round-trip

Sioux CityMadrid

SUX - MAD

SUXMAD

Sioux City Sioux Gateway

Sun 5/24

7:53 am-6:50 am

3 stops15h 57m

Madrid Barajas

Sun 5/31

5:55 am-5:54 pm

3 stops18h 59m

$7,395

Sioux CityMadrid

SUX - MAD

SUXMAD

Sioux City Sioux Gateway

Fri 5/1

12:55 pm-12:20 pm

2 stops16h 25m

Madrid Barajas

Sun 5/10

10:50 am-11:32 pm

3 stops19h 42m

$7,569

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Sioux City to Spain

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Spain?

United Airlines, American Airlines and Iberia are the top three most popular airlines that fly to Spain from Sioux City according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Spain. Keep in mind that there are 5 different airlines that fly to Spain on a routine basis, so you have a few additional options to choose from.

Cheap Sioux City to Spain flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux City to Spain

Fastest flight time	54h 23m
Direct flights	None

The fastest flight from Sioux City to Spain takes 54h 23m

There are no direct flights from Sioux City to Spain. There are no popular flight routes from Sioux City to Spain.

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Frequently asked questions about flying from Sioux City to Spain

When did momondo last update prices for flights from Sioux City Sioux Gateway Airport to Spain?
Prices for flights from Sioux City Sioux Gateway Airport to Spain were last updated today.
How old do you have to be to fly from Sioux City Sioux Gateway Airport to Spain?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sioux City Sioux Gateway Airport to Spain.
What documentation or ID do you need to fly to Spain?
The required travel and health documents for your Spain trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Spain. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Sioux City to Spain?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Spain from Sioux City.

Can I find flights from Sioux City to Spain with flexible booking policies on momondo?

Flights from Sioux City to Spain with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Sioux City to Spain?

Once all potential Sioux City to Spain flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Sioux City to Spain right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Spain from Sioux City. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.