HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Southeast Asia

$916+ Cheap flights from Sioux City (SUX) to Southeast Asia

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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — BKK
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sioux City to Southeast Asia 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.

Find flight deals from Sioux City to Southeast Asia

Cheapest flights from Sioux City to Southeast Asia
Explore the most affordable flight options available from Sioux City to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This United Airlines deal was found by Cheapflights users on 11/13. 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 11/187:45 amSUX - SGN
3 stops50h 10mUnited Airlines
Tue 12/167:30 amSGN - SUX
2 stops23h 40mUnited Airlines
Deal found 11/13$916
This United Airlines deal was found by Cheapflights users on 11/12. 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 11/167:45 amSUX - SGN
3 stops50h 10mUnited Airlines
Tue 12/167:30 amSGN - SUX
2 stops23h 40mUnited Airlines
Deal found 11/12$923
This United Airlines deal was found by Cheapflights users on 11/11. 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 11/136:46 pmSUX - SGN
3 stops39h 09mUnited Airlines
Mon 11/177:30 amSGN - SUX
2 stops23h 38mUnited Airlines
Deal found 11/11$988

Best time to book a flight from Sioux City to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia 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 Southeast Asia

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

Currently, February is the cheapest month in which you can book a flight from Sioux City to Southeast Asia (average of $817). Flying from Sioux City to Southeast Asia in June is currently the most expensive (average of $1,167). 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 Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. 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 Southeast Asia. Reviews last updated November 13, 2025.
See what other customers who have flown with United Airlines from Sioux City to Southeast Asia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,017 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,017 reviews
United Airlines
7.4
Good
9,017 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Sioux City to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Sioux City to Southeast Asia?

    If you book a flight to Southeast Asia from Sioux City, you will be flying from Sioux Gateway, which is the city’s only airport. Sioux City Sioux Gateway (SUX) is located 7.0 mi from the center of Sioux City.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sioux City to Southeast Asia 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 Southeast Asia?

    Currently, February is the cheapest month in which you can book a flight from Sioux City to Southeast Asia (average of $817). Flying from Sioux City to Southeast Asia in June is currently the most expensive (average of $1,167). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sioux City to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
Omaha to Suvarnabhumi flights
Des Moines to Narita flights
Des Moines to Haneda flights
Omaha to Narita flights
Omaha to Hyderabad flights
Omaha to Haneda flights
Cedar Rapids to Suvarnabhumi flights
Des Moines to Suvarnabhumi flights
Des Moines to Ho Chi Minh City flights
Omaha to Ho Chi Minh City flights
Cedar Rapids to Narita flights
Cedar Rapids to Haneda flights
Des Moines to Manila flights
Des Moines to Taiwan Taoyuan Intl flights
Omaha to New Delhi flights
Des Moines to Hongqiao Intl flights
Des Moines to Hong Kong flights
Omaha to Manila flights
Cedar Rapids to New Delhi flights
Des Moines to Cebu City flights
Omaha to Incheon Intl flights
Des Moines to New Delhi flights
Des Moines to Sung Shan flights
Des Moines to Bangalore flights
Des Moines to Hyderabad flights
Des Moines to Pu Dong flights
Cedar Rapids to Ho Chi Minh City flights
Des Moines to Chennai flights
Omaha to Malé flights
Cedar Rapids to Manila flights
Des Moines to Da Nang flights
Des Moines to Singapore flights
Omaha to Chubu Centrair Intl flights
Omaha to Okinawa flights
Des Moines to Incheon Intl flights
Des Moines to Kuala Lumpur Intl flights
Omaha to Chennai flights
Cedar Rapids to Bangalore flights
Cedar Rapids to Hanoi flights
Des Moines to Guangzhou flights
Des Moines to Kathmandu flights
Des Moines to Capital flights
Omaha to Kathmandu flights
Des Moines to Denpasar flights
Omaha to Mumbai flights
Omaha to Cebu City flights
Omaha to Denpasar flights
Des Moines to Okinawa flights
Omaha to Pu Dong flights

Top airline flying from Sioux City to Southeast Asia

Discover the top airline that operate flights from Sioux City to Southeast Asia. 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,026Average$1,361FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.