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$363+ Cheap flights from Sioux City (SUX) to Cancún (CUN)

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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — CUN
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap flight deals from Sioux City to Cancún

Best flights from Sioux City to Cancún
Discover carefully curated flight deals from Sioux City to Cancún that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/3. 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 1/276:00 amSUX - CUN
2 stops8h 59mUnited Airlines
Wed 2/44:20 pmCUN - SUX
1 stop19h 35mUnited Airlines
Deal found 12/3$364
This United Airlines deal was found by Cheapflights users on 12/4. 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.
Sun 1/186:00 amSUX - CUN
1 stop7h 18mUnited Airlines
Sun 1/254:20 pmCUN - SUX
1 stop8h 27mUnited Airlines
Deal found 12/4$396
This United Airlines deal was found by Cheapflights users on 12/3. 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 1/176:43 pmSUX - CUN
1 stop18h 35mUnited Airlines
Sat 1/244:20 pmCUN - SUX
1 stop8h 27mUnited Airlines
Deal found 12/3$418
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Mon 1/266:00 amSUX - CUN
1 stop7h 18mUnited Airlines
Thu 2/51:37 pmCUN - SUX
1 stop11h 10mUnited Airlines
Deal found 12/3$473
This United Airlines deal was found by Cheapflights users on 12/3. 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 1/276:00 amSUX - CUN
1 stop7h 18mUnited Airlines
Thu 2/54:20 pmCUN - SUX
1 stop8h 27mUnited Airlines
Deal found 12/3$473

Find flight deals from Sioux City to Cancún

Discover tips and strategies to find the most affordable flight options for your journey from Sioux City (SUX) to Cancún (CUN). 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 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$363
(United Airlines)
Provider with most accurate pricing for Sioux City Sioux Gateway-Cancun flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux City Sioux Gateway-Cancun flights.
Search Deals
From Sioux City Sioux Gateway to Cancun
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux City to Cancún 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 4, 2025.
Use the filters below to find and compare flights from Sioux City to Cancún that are best for you.

Fly from

Sioux City

Fly to

Cancún

Route

Depart

Return

Price

Sioux CityCancún

SUX - CUN

SUXCUN

Sioux City Sioux Gateway

Tue 1/27

6:00 am-3:59 pm

2 stops8h 59m

Cancun

Wed 2/4

4:20 pm-10:55 am

1 stop19h 35m

$364

Sioux CityCancún

SUX - CUN

SUXCUN

Sioux City Sioux Gateway

Sun 1/18

6:00 am-2:18 pm

1 stop7h 18m

Cancun

Sun 1/25

4:20 pm-11:47 pm

1 stop8h 27m

$396

Sioux CityCancún

SUX - CUN

SUXCUN

Sioux City Sioux Gateway

Sat 1/17

6:43 pm-2:18 pm

1 stop18h 35m

Cancun

Sat 1/24

4:20 pm-11:47 pm

1 stop8h 27m

$418

Sioux CityCancún

SUX - CUN

SUXCUN

Sioux City Sioux Gateway

Mon 1/26

6:00 am-2:18 pm

1 stop7h 18m

Cancun

Thu 2/5

1:37 pm-11:47 pm

1 stop11h 10m

$473

Sioux CityCancún

SUX - CUN

SUXCUN

Sioux City Sioux Gateway

Tue 1/27

6:00 am-2:18 pm

1 stop7h 18m

Cancun

Thu 2/5

4:20 pm-11:47 pm

1 stop8h 27m

$473

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Compare providers for flights from Sioux City to Cancún

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 Sioux City to Cancún in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice 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 Sioux City-Cancún flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sioux City-Cancún flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Sioux City-Cancún flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sioux City-Cancún 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 Sioux City-Cancún 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 Sioux City to Cancún

Have a flexible travel schedule? Discover the best time to fly to Cancún from Sioux City 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 Sioux City to Cancún

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

Currently, January is the cheapest month in which you can book a flight from Sioux City to Cancún (average of $154). Flying from Sioux City to Cancún in December is currently the most expensive (average of $371). 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.

Related info for your journey

Find useful and relevant information for your journey from Sioux City to Cancún. 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 Sioux City to Cancún?

    Airlines like United Airlines fly from Sioux City to Cancún in about 8h 59m. The time it takes to get you to your destination can typically vary by up to . The distance between Sioux City and Cancún is about 1575 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sioux City to Cancún 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 Sioux City to Cancún?

    Currently, January is the cheapest month in which you can book a flight from Sioux City to Cancún (average of $154). Flying from Sioux City to Cancún in December is currently the most expensive (average of $371). 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.

See more FAQs

Traveling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
Puerto Aventuras
Holbox
Punta Sam

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