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$335+ Cheap flights from Sioux City to Baltimore (SUX - BWI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/26. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — BWI
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from Sioux City to Baltimore

Cheapest flights from Sioux City to Baltimore
Explore the most affordable flight options available from Sioux City to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This United Airlines deal was found by Cheapflights users on 2/8. 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 2/106:00 am
SUX
-
BWI
1 stop8h 04m
United Airlines
Sat 2/144:10 pm
BWI
-
SUX
1 stop8h 32m
United Airlines
Deal found 2/8$484
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/2012:53 pm
SUX
-
BWI
1 stop7h 49m
United Airlines
Sat 3/286:05 am
BWI
-
SUX
1 stop12h 36m
United Airlines
Deal found 2/10$486
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Tue 2/171:00 pm
SUX
-
BWI
1 stop7h 17m
United Airlines
Sat 2/214:10 pm
BWI
-
SUX
1 stop8h 32m
United Airlines
Deal found 2/11$564
This United Airlines deal was found by Cheapflights users on 2/11. 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 2/261:00 pm
SUX
-
BWI
1 stop7h 17m
United Airlines
Mon 3/25:20 pm
BWI
-
SUX
1 stop25h 21m
United Airlines
Deal found 2/11$569
This United Airlines deal was found by Cheapflights users on 2/11. 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 2/211:00 pm
SUX
-
BWI
1 stop7h 17m
United Airlines
Sun 2/226:30 am
BWI
-
SUX
1 stop12h 11m
United Airlines
Deal found 2/11$713
This United Airlines deal was found by Cheapflights users on 2/10. 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 5/226:49 pm
SUX
-
BWI
1 stop27h 37m
United Airlines
Sat 5/306:17 am
BWI
-
SUX
1 stop12h 15m
United Airlines
Deal found 2/10$762

Find flight deals from Sioux City to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Sioux City (SUX) to Baltimore (BWI). 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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$486
(United Airlines)

One-way from

$335
(United Airlines)
Provider with most accurate pricing for Sioux City Sioux Gateway-Baltimore/Washington flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux City Sioux Gateway-Baltimore/Washington flights.
Search Deals
From Sioux City Sioux Gateway to Baltimore/Washington
Search Deals
One-way flight from Sioux City Sioux Gateway to Baltimore/Washington
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux City to Baltimore 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 February 12, 2026.
Use the filters below to find and compare flights from Sioux City to Baltimore that are best for you.

Fly from

Sioux City

Fly to

Baltimore

Route

Depart

Return

Price

Sioux CityBaltimore

SUX - BWI

SUXBWI

Sioux City Sioux Gateway

Fri 3/20

12:53 pm-9:42 pm

1 stop7h 49m

Baltimore/Washington

Sat 3/28

6:05 am-5:41 pm

1 stop12h 36m

$486

Sioux CityBaltimore

SUX - BWI

SUXBWI

Sioux City Sioux Gateway

Thu 2/26

1:00 pm-9:17 pm

1 stop7h 17m

Baltimore/Washington

Mon 3/2

5:20 pm-5:41 pm

1 stop25h 21m

$569

Sioux CityBaltimore

SUX - BWI

SUXBWI

Sioux City Sioux Gateway

Fri 5/22

6:49 pm-11:26 pm

1 stop27h 37m

Baltimore/Washington

Sat 5/30

6:17 am-5:32 pm

1 stop12h 15m

$762

Sioux CityBaltimore

SUX - BWI

SUXBWI

Sioux City Sioux Gateway

Fri 6/26

12:45 pm-10:19 am

1 stop20h 34m

$335

Sioux CityBaltimore

SUX - BWI

SUXBWI

Sioux City Sioux Gateway

Thu 5/28

12:45 pm-10:19 am

1 stop20h 34m

$345

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Compare providers for flights from Sioux City to Baltimore

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 Baltimore in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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-Baltimore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux City-Baltimore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux City-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sioux City-Baltimore 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 Sioux City-Baltimore 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 Baltimore

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

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

Currently, October is the cheapest month in which you can book a flight from Sioux City to Baltimore (average of $84). Flying from Sioux City to Baltimore in February is currently the most expensive (average of $277). 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 Baltimore. 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 Baltimore?

    Departing from Sioux City to Baltimore will take you 7h 49m. Sioux City and Baltimore are separated by a distance of 1052 mi.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Sioux City to Baltimore (average of $84). Flying from Sioux City to Baltimore in February is currently the most expensive (average of $277). 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.

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