$444+ Cheap flights from Lexington to Sioux City (LEX - 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — SUX
Oct 12 — Oct 191
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Lexington to Sioux City 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.Cheap flight deals from Lexington to Sioux City
Cheapest
Best
Last-minute
Cheapest flights from Lexington to Sioux CityExplore the most affordable flight options available from Lexington to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
Explore the most affordable flight options available from Lexington to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/149:50 am -
1 stop9h 03m
Mon 9/218:05 am -
1 stop15h 00m
Deal found 9/9![United Airlines logo]()
$854
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 9/268:50 am -
2 stops15h 53m
Wed 9/306:58 pm -
1 stop26h 11m
Deal found 9/11![United Airlines logo]()
$908
This United Airlines deal was found by Cheapflights users on 9/12. 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 9/131:51 pm -
1 stop5h 02m
Wed 9/166:35 pm -
2 stops21h 36m
Deal found 9/12![United Airlines logo]()
$1,395
Best flights from Lexington to Sioux CityDiscover carefully curated flight deals from Lexington to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
Discover carefully curated flight deals from Lexington to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. 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 1/261:50 pm -
1 stop5h 04m
Sat 1/309:03 am -
1 stop7h 14m
Deal found 9/9![United Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 9/268:50 am -
1 stop10h 03m
Wed 9/306:58 pm -
1 stop26h 11m
Deal found 9/11![United Airlines logo]()
$929
Last-minute flights from Lexington to Sioux CityDiscover last-minute flight deals from Lexington to Sioux City. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Lexington to Sioux City. Data last updated September 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/12. 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 9/131:51 pm -
1 stop5h 02m
Wed 9/166:35 pm -
2 stops21h 36m
Deal found 9/12![United Airlines logo]()
$1,395
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/149:50 am -
1 stop9h 03m
Mon 9/218:05 am -
1 stop15h 00m
Deal found 9/9![United Airlines logo]()
$854
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 9/268:50 am -
2 stops15h 53m
Wed 9/306:58 pm -
1 stop26h 11m
Deal found 9/11![United Airlines logo]()
$908
Find flight deals from Lexington to Sioux City
Discover tips and strategies to find the most affordable flight options for your journey from Lexington (LEX) 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 September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $444 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Lexington 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 7,457,451 searches. Data last updated September 12, 2026.
Use the filters below to find and compare flights from Lexington to Sioux City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
LexingtonSioux City
LEX Lexington Blue Grass - SUX Sioux City Sioux Gateway
LEXSUX
Lexington Blue Grass
Tue 1/26
1:50 pm-5:54 pm
1 stop5h 04m
Sioux City Sioux Gateway
Sat 1/30
9:03 am-5:17 pm
1 stop7h 14m
$444
LexingtonSioux City
LEX Lexington Blue Grass - SUX Sioux City Sioux Gateway
LEXSUX
Lexington Blue Grass
Sat 9/26
8:50 am-5:53 pm
1 stop10h 03m
Sioux City Sioux Gateway
Wed 9/30
6:58 pm-10:09 pm
1 stop26h 11m
$929
Sorted by cheapest first
Compare providers for flights from Lexington 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 Lexington to Sioux City in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Lexington-Sioux City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lexington-Sioux City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lexington-Sioux City flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Lexington-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 Lexington-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 Lexington to Sioux City
Have a flexible travel schedule? Discover the best time to fly to Sioux City from Lexington with our price prediction graph.
LEX-SUX
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.
Related info for your journey
Find useful and relevant information for your journey from Lexington to Sioux City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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
Complete your trip
Flights by cabin class
Other flight options
Other flights from Lexington
Popular flights
Sioux City flight routes