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$305+ Cheap flights from Sioux City (SUX) to Maryland

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — BWI
jul. 1 — jul. 81
mar. 7/1
mar. 7/8
1 adult, Economy
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Cheap flight deals from Sioux City to Maryland

Keep the following information in mind while searching for Sioux City to Maryland flight deals. Data was last updated junio 26, 2025.

Round-trip from

$320
(United Airlines)

One-way from

$305
(United Airlines)
From Sioux City Sioux Gateway to Maryland
Search Deals
One-way flight from Sioux City Sioux Gateway to Maryland
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Find flight deals from Sioux City to Maryland

Cheapest flights from Sioux City to Maryland
Explore the most affordable flight options available from Sioux City to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 26, 2025.

This United Airlines deal was found by Cheapflights users on 6/26. 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.
vie. 7/1110:10 amSUX - DCA
1 stop5h 51mUnited Airlines
mar. 7/156:00 pmDCA - SUX
1 stop5h 40mUnited Airlines
Deal found 6/26$320
This United Airlines deal was found by Cheapflights users on 6/24. 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.
sáb. 8/306:48 pmSUX - IAD
1 stop9h 34mUnited Airlines
dom. 9/73:55 pmIAD - SUX
1 stop8h 02mUnited Airlines
Deal found 6/24$423
This United Airlines deal was found by Cheapflights users on 6/25. 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.
dom. 9/287:50 amSUX - BWI
1 stop5h 18mUnited Airlines
mar. 9/3010:10 amBWI - SUX
1 stop9h 04mUnited Airlines
Deal found 6/25$560
This United Airlines deal was found by Cheapflights users on 6/24. 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.
lun. 7/216:53 pmSUX - PHL
1 stop9h 44mUnited Airlines
mar. 7/2210:10 amPHL - SUX
1 stop9h 08mUnited Airlines
Deal found 6/24$688

Cheapflights Fare Finder

Customize your flight search to find flights from Sioux City to Maryland 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 junio 26, 2025.
Use the filters below to find and compare flights from Sioux City to Maryland that are best for you.

Fly from

Sioux City

Fly to

Maryland

Route

Depart

Return

Price

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

vie. 7/11

10:10 am-5:01 pm

1 stop5h 51m

Washington, D.C. Reagan-National

mar. 7/15

6:00 pm-10:40 pm

1 stop5h 40m

$320

Sioux CityWashington, D.C.

SUX - IAD

SUXIAD

Sioux City Sioux Gateway

sáb. 8/30

6:48 pm-5:22 am

1 stop9h 34m

Washington, D.C. Dulles Intl

dom. 9/7

3:55 pm-10:57 pm

1 stop8h 02m

$423

Sioux CityBaltimore

SUX - BWI

SUXBWI

Sioux City Sioux Gateway

dom. 9/28

7:50 am-2:08 pm

1 stop5h 18m

Baltimore/Washington

mar. 9/30

10:10 am-6:14 pm

1 stop9h 04m

$560

Sioux CityPhiladelphia

SUX - PHL

SUXPHL

Sioux City Sioux Gateway

lun. 7/21

6:53 pm-5:37 am

1 stop9h 44m

Philadelphia

mar. 7/22

10:10 am-6:18 pm

1 stop9h 08m

$688

Sioux CityWashington, D.C.

SUX - IAD

SUXIAD

Sioux City Sioux Gateway

mié. 8/6

10:10 am-4:10 pm

1 stop5h 00m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Best time to book a flight from Sioux City to Maryland

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

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

Currently, August is the cheapest month in which you can book a flight from Sioux City to Maryland (average of $241). Flying from Sioux City to Maryland in March is currently the most expensive (average of $290). 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.

Rainfall in Maryland by month

Plan your trip to Maryland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Maryland ranges from 2.9 - 4.1 inches per month. July is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Maryland when rainfall is around 2.9 in.

Temperature in Maryland by month

Plan your trip to Maryland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Maryland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Maryland

Get insights into the airlines that provide service to Maryland. 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 Maryland. Reviews last updated junio 26, 2025.
See what other customers who have flown with United Airlines from Sioux City to Maryland have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,840 reviews

Crew

8.1

Entertainment

7.0

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,840 reviews
United Airlines
7.4
Good
8,840 reviews

Crew

8.1

Entertainment

7.0

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Sioux City to Maryland. 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 Maryland?

    Sioux City Sioux Gateway (SUX), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Sioux City to Maryland.

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

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

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Sioux City to Maryland (average of $241). Flying from Sioux City to Maryland in March is currently the most expensive (average of $290). 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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