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Sioux City

$355+ Cheap flights from Maryland to Sioux City (SUX)

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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SUX
Apr 30 — May 71
Thu 4/30
Thu 5/7
1 adult, Economy
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Cheap flight deals from Maryland to Sioux City

Cheapest flights from Maryland to Sioux City
Explore the most affordable flight options available from Maryland to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2026.

This United Airlines deal was found by Cheapflights users on 3/27. 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 8/1211:30 am
PHL
-
SUX
1 stop7h 23m
United Airlines
Sat 8/1511:32 am
SUX
-
PHL
2 stops12h 18m
United Airlines
Deal found 3/27$369
This United Airlines deal was found by Cheapflights users on 3/28. 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 4/811:08 am
BWI
-
SUX
1 stop7h 48m
United Airlines
Sat 4/1112:55 pm
SUX
-
BWI
1 stop7h 29m
United Airlines
Deal found 3/28$399
This United Airlines deal was found by Cheapflights users on 3/31. 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 4/251:10 pm
IAD
-
SUX
1 stop5h 46m
United Airlines
Fri 5/112:55 pm
SUX
-
IAD
1 stop7h 23m
United Airlines
Deal found 3/31$413
This United Airlines deal was found by Cheapflights users on 3/30. 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 4/2911:55 am
DCA
-
SUX
1 stop7h 01m
United Airlines
Wed 5/612:55 pm
SUX
-
DCA
1 stop5h 10m
United Airlines
Deal found 3/30$414
This United Airlines deal was found by Cheapflights users on 3/30. 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 8/291:31 pm
PHL
-
SUX
1 stop5h 22m
United Airlines
Tue 9/111:32 am
SUX
-
PHL
2 stops12h 18m
United Airlines
Deal found 3/30$422
This United Airlines deal was found by Cheapflights users on 3/31. 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 4/2511:08 am
BWI
-
SUX
1 stop7h 48m
United Airlines
Fri 5/112:55 pm
SUX
-
BWI
1 stop5h 14m
United Airlines
Deal found 3/31$428
This United Airlines deal was found by Cheapflights users on 3/31. 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 4/251:00 pm
DCA
-
SUX
1 stop5h 56m
United Airlines
Fri 5/112:55 pm
SUX
-
DCA
1 stop7h 11m
United Airlines
Deal found 3/31$454
This United Airlines deal was found by Cheapflights users on 3/28. 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 4/81:00 pm
DCA
-
SUX
1 stop5h 56m
United Airlines
Sat 4/1112:55 pm
SUX
-
DCA
1 stop7h 11m
United Airlines
Deal found 3/28$489
This United Airlines deal was found by Cheapflights users on 3/30. 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 5/611:00 am
BWI
-
SUX
1 stop8h 06m
United Airlines
Fri 5/812:55 pm
SUX
-
BWI
1 stop7h 07m
United Airlines
Deal found 3/30$492
This United Airlines deal was found by Cheapflights users on 3/29. 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 4/171:00 pm
DCA
-
SUX
1 stop5h 56m
United Airlines
Sun 4/1912:55 pm
SUX
-
DCA
1 stop19h 01m
United Airlines
Deal found 3/29$498
This United Airlines deal was found by Cheapflights users on 3/30. 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 5/62:00 pm
DCA
-
SUX
1 stop5h 06m
United Airlines
Fri 5/812:55 pm
SUX
-
DCA
1 stop5h 10m
United Airlines
Deal found 3/30$511
This United Airlines deal was found by Cheapflights users on 3/30. 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 5/61:10 pm
IAD
-
SUX
1 stop5h 56m
United Airlines
Fri 5/812:55 pm
SUX
-
IAD
1 stop5h 33m
United Airlines
Deal found 3/30$511

Find flight deals from Maryland to Sioux City

Keep the following information in mind while searching for Maryland to Sioux City flight deals. Data was last updated March 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$369
(United Airlines)

One-way from

$355
(United Airlines)
Provider with most accurate pricing for Washington, D.C. (WAS)-Sioux City Sioux Gateway flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sioux City Sioux Gateway flights.
Search Deals
From Maryland to Sioux City Sioux Gateway
Search Deals
One-way flight from Maryland to Sioux City Sioux Gateway
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maryland 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 2,558,603 searches. Data last updated March 31, 2026.
Use the filters below to find and compare flights from Maryland to Sioux City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaSioux City

PHL - SUX

PHLSUX

Philadelphia

Wed 8/12

11:30 am-5:53 pm

1 stop7h 23m

Sioux City Sioux Gateway

Sat 8/15

11:32 am-12:50 am

2 stops12h 18m

$369

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Sat 4/25

1:10 pm-5:56 pm

1 stop5h 46m

Sioux City Sioux Gateway

Fri 5/1

12:55 pm-9:18 pm

1 stop7h 23m

$413

PhiladelphiaSioux City

PHL - SUX

PHLSUX

Philadelphia

Sat 8/29

1:31 pm-5:53 pm

1 stop5h 22m

Sioux City Sioux Gateway

Tue 9/1

11:32 am-12:50 am

2 stops12h 18m

$422

BaltimoreSioux City

BWI - SUX

BWISUX

Baltimore/Washington

Sat 4/25

11:08 am-5:56 pm

1 stop7h 48m

Sioux City Sioux Gateway

Fri 5/1

12:55 pm-7:09 pm

1 stop5h 14m

$428

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

Sat 4/25

1:00 pm-5:56 pm

1 stop5h 56m

Sioux City Sioux Gateway

Fri 5/1

12:55 pm-9:06 pm

1 stop7h 11m

$454
Quickest round-trip

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

Wed 5/6

2:00 pm-6:06 pm

1 stop5h 06m

Sioux City Sioux Gateway

Fri 5/8

12:55 pm-7:05 pm

1 stop5h 10m

$511

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

Wed 5/13

3:30 pm-6:06 pm

1 stop27h 36m

Sioux City Sioux Gateway

Thu 5/21

7:53 am-3:52 pm

1 stop6h 59m

$523

PhiladelphiaSioux City

PHL - SUX

PHLSUX

Philadelphia

Tue 4/14

1:27 pm-5:56 pm

1 stop5h 29m

Sioux City Sioux Gateway

Sat 4/18

12:55 pm-9:32 pm

1 stop7h 37m

$548

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Wed 5/6

1:10 pm-6:06 pm

1 stop5h 56m

Sioux City Sioux Gateway

Fri 5/8

12:55 pm-11:29 am

2 stops21h 34m

$580

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Wed 5/13

10:30 pm-6:06 pm

1 stop20h 36m

Sioux City Sioux Gateway

Thu 5/21

7:53 am-7:02 pm

1 stop10h 09m

$618

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 33 resultsSorted by cheapest first
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Best time to book a flight from Maryland to Sioux City

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

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

Currently, October is the cheapest month in which you can book a flight from Maryland to Sioux City (average of $156). Flying from Maryland to Sioux City in January is currently the most expensive (average of $335). 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 Maryland to Sioux City. 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 into for flights to Sioux City from Maryland?

    Located just 7.0 mi from the city center, Sioux City Sioux Gateway (SUX) is the airport most travelers will use when flying to Sioux City from Maryland.

  • How long is the flight from Maryland to Sioux City?

    Airlines like United Airlines fly from Maryland to Sioux City in about 7h 23m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 1110 mi.

  • What are the most popular routes from Maryland to Sioux City?

    When deciding which route to take from Maryland to Sioux City consider Washington, D.C. Dulles Intl - Sioux City Sioux Gateway, Philadelphia - Sioux City Sioux Gateway or Baltimore/Washington - Sioux City Sioux Gateway as they are the most popular.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Maryland to Sioux City (average of $156). Flying from Maryland to Sioux City in January is currently the most expensive (average of $335). 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

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Top airline flying from Maryland to Sioux City

Discover the top airline that operate flights from Maryland to Sioux City. 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 March 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$263Average$533FlexibilityNo cancel feeOn-time69%

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