$334+ Cheap flights from Baltimore to Sioux City (BWI - 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SUX
Oct 26 — Nov 21
Round-trip
1 adult, Economy
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Find cheap flights from Baltimore 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 Baltimore to Sioux City
Cheapest
Best
Last-minute
One-way
Cheapest flights from Baltimore to Sioux CityExplore the most affordable flight options available from Baltimore to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 26, 2026.
Explore the most affordable flight options available from Baltimore to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 26, 2026.
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Fri 10/2311:55 am -
1 stop6h 58m
Fri 10/306:00 am -
1 stop7h 06m
Deal found 9/23![United Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 9/25. 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 10/274:19 pm -
1 stop8h 24m
Fri 10/306:00 am -
1 stop7h 06m
Deal found 9/25![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/22. 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 10/197:10 pm -
1 stop23h 43m
Mon 10/266:00 am -
1 stop14h 42m
Deal found 9/22![United Airlines logo]()
$650
This United Airlines deal was found by Cheapflights users on 9/23. 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 10/2812:34 pm -
1 stop6h 36m
Thu 11/56:00 am -
1 stop7h 06m
Deal found 9/23![United Airlines logo]()
$765
This United Airlines deal was found by Cheapflights users on 9/23. 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 10/811:55 am -
1 stop6h 58m
Mon 10/128:35 am -
1 stop24h 55m
Deal found 9/23![United Airlines logo]()
$778
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Fri 10/211:55 am -
1 stop6h 58m
Mon 10/58:35 am -
1 stop24h 55m
Deal found 9/23![United Airlines logo]()
$970
This United Airlines deal was found by Cheapflights users on 9/25. 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 12/194:03 pm -
1 stop8h 41m
Sun 12/276:46 pm -
1 stop27h 28m
Deal found 9/25![United Airlines logo]()
$1,010
Best flights from Baltimore to Sioux CityDiscover carefully curated flight deals from Baltimore to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 26, 2026.
Discover carefully curated flight deals from Baltimore to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 26, 2026.
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Fri 10/2311:55 am -
1 stop6h 58m
Fri 10/306:00 am -
1 stop7h 06m
Deal found 9/23![United Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Fri 1/84:10 pm -
1 stop8h 32m
Tue 1/126:46 pm -
1 stop27h 14m
Deal found 9/22![United Airlines logo]()
$534
Last-minute flights from Baltimore to Sioux CityDiscover last-minute flight deals from Baltimore to Sioux City. Data last updated September 26, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Sioux City. Data last updated September 26, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Fri 10/211:55 am -
1 stop6h 58m
Mon 10/58:35 am -
1 stop24h 55m
Deal found 9/23![United Airlines logo]()
$970
This United Airlines deal was found by Cheapflights users on 9/23. 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 10/811:55 am -
1 stop6h 58m
Mon 10/128:35 am -
1 stop24h 55m
Deal found 9/23![United Airlines logo]()
$778
This United Airlines deal was found by Cheapflights users on 9/22. 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 10/197:10 pm -
1 stop23h 43m
Mon 10/266:00 am -
1 stop14h 42m
Deal found 9/22![United Airlines logo]()
$650
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Fri 10/2311:55 am -
1 stop6h 58m
Fri 10/306:00 am -
1 stop7h 06m
Deal found 9/23![United Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 9/25. 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 10/274:19 pm -
1 stop8h 24m
Fri 10/306:00 am -
1 stop7h 06m
Deal found 9/25![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/23. 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 10/2812:34 pm -
1 stop6h 36m
Thu 11/56:00 am -
1 stop7h 06m
Deal found 9/23![United Airlines logo]()
$765
One-way flights from Baltimore to Sioux CitySearch for one-way flight options from Baltimore to Sioux City. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.
Search for one-way flight options from Baltimore to Sioux City. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.
This United Airlines deal was found by Cheapflights users on 9/25. 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.
Fri 10/211:55 am -
1 stop6h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 9/24. 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 10/14:13 pm -
1 stop8h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![United Airlines logo]()
$484
Find flight deals from Baltimore to Sioux City
Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) 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 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $334 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Baltimore 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 26, 2026.
Use the filters below to find and compare flights from Baltimore to Sioux City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreSioux City
BWI Baltimore/Washington - SUX Sioux City Sioux Gateway
BWISUX
Baltimore/Washington
Fri 10/23
11:55 am-5:53 pm
1 stop6h 58m
Sioux City Sioux Gateway
Fri 10/30
6:00 am-2:06 pm
1 stop7h 06m
$334
Quickest round-trip
BaltimoreSioux City
BWI Baltimore/Washington - SUX Sioux City Sioux Gateway
BWISUX
Baltimore/Washington
Fri 10/2
11:55 am-5:53 pm
1 stop6h 58m
Sioux City Sioux Gateway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$479
BaltimoreSioux City
BWI Baltimore/Washington - SUX Sioux City Sioux Gateway
BWISUX
Baltimore/Washington
Thu 10/1
4:13 pm-11:43 pm
1 stop8h 30m
Sioux City Sioux Gateway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$484
BaltimoreSioux City
BWI Baltimore/Washington - SUX Sioux City Sioux Gateway
BWISUX
Baltimore/Washington
Sat 10/3
11:55 am-5:53 pm
1 stop6h 58m
Sioux City Sioux Gateway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$484
BaltimoreSioux City
BWI Baltimore/Washington - SUX Sioux City Sioux Gateway
BWISUX
Baltimore/Washington
Fri 1/8
4:10 pm-11:42 pm
1 stop8h 32m
Sioux City Sioux Gateway
Tue 1/12
6:46 pm-11:00 pm
1 stop27h 14m
$534
Sorted by cheapest first
Compare providers for flights from Baltimore 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 Baltimore to Sioux City in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Baltimore-Sioux City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Sioux City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Sioux City flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Baltimore-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 Baltimore-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 Baltimore to Sioux City
Have a flexible travel schedule? Discover the best time to fly to Sioux City from Baltimore with our price prediction graph.
BWI-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 Baltimore to Sioux City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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