Cheap flights from Sioux City to Washington, D.C. from $315

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux City to Washington, D.C. departing on 1/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Sioux City to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:00 pm - 9:17 pm
SUX
-
BWI
7h 17m1 stop
United Airlines Logo
4:09 pm - 11:42 pm
BWI
-
SUX
8h 33m1 stop
$344United Airlines
Sat, Feb 14 - Wed, Feb 18
United Airlines Logo
1:00 pm - 9:17 pm
SUX
-
BWI
7h 17m1 stop
United Airlines Logo
4:09 pm - 11:42 pm
BWI
-
SUX
8h 33m1 stop
$356United Airlines
Sat, Feb 14 - Wed, Feb 18
United Airlines Logo
1:00 pm - 9:17 pm
SUX
-
BWI
7h 17m1 stop
United Airlines Logo
10:30 am - 10:45 am
BWI
-
SUX
25h 15m2 stops
$493United Airlines
Sat, Feb 14 - Wed, Feb 18
United Airlines Logo
1:00 pm - 9:17 pm
SUX
-
BWI
7h 17m1 stop
United Airlines Logo
10:30 am - 11:42 pm
BWI
-
SUX
14h 12m2 stops
$505United Airlines
Sat, Feb 14 - Wed, Feb 18

United Airlines flights from Sioux City to Baltimore

Our best United Airlines deals on Sioux City to Baltimore flight tickets
United Airlines
Feb 14
SUX1:00 pmSioux City Sioux Gateway
7h 17m
1 stop
BWI9:17 pmBaltimore/Washington
Feb 18
BWI4:09 pmBaltimore/Washington
8h 33m
1 stop
SUX11:42 pmSioux City Sioux Gateway
United Airlines
Feb 14
SUX1:00 pmSioux City Sioux Gateway
7h 17m
1 stop
BWI9:17 pmBaltimore/Washington
Feb 18
BWI4:09 pmBaltimore/Washington
8h 33m
1 stop
SUX11:42 pmSioux City Sioux Gateway
United Airlines
Feb 14
SUX1:00 pmSioux City Sioux Gateway
7h 17m
1 stop
BWI9:17 pmBaltimore/Washington
Feb 18
BWI10:30 amBaltimore/Washington
25h 15m
2 stops
SUX10:45 amSioux City Sioux Gateway

momondo 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, momondo users made 832,500 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Sioux City to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux CityBaltimore

SUX - BWI

SUXBWI

Sioux City Sioux Gateway

Sat 2/14

1:00 pm-9:17 pm

1 stop7h 17m

Baltimore/Washington

Wed 2/18

4:09 pm-11:42 pm

1 stop8h 33m

$344

Sioux CityBaltimore

SUX - BWI

SUXBWI

Sioux City Sioux Gateway

Sat 2/14

1:00 pm-9:17 pm

1 stop7h 17m

Baltimore/Washington

Wed 2/18

4:09 pm-11:42 pm

1 stop8h 33m

$356

Sioux CityBaltimore

SUX - BWI

SUXBWI

Sioux City Sioux Gateway

Sat 2/14

1:00 pm-9:17 pm

1 stop7h 17m

Baltimore/Washington

Wed 2/18

10:30 am-10:45 am

2 stops25h 15m

$493

Sioux CityBaltimore

SUX - BWI

SUXBWI

Sioux City Sioux Gateway

Sat 2/14

1:00 pm-9:17 pm

1 stop7h 17m

Baltimore/Washington

Wed 2/18

10:30 am-11:42 pm

2 stops14h 12m

$505

Sioux CityBaltimore

SUX - BWI

SUXBWI

Sioux City Sioux Gateway

Fri 1/9

12:45 pm-2:11 pm

1 stop24h 26m

$315

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Sioux City to Baltimore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Sioux City Sioux Gateway to Baltimore/Washington?

United Airlines is the most popular carrier operating from Sioux City Sioux Gateway to Baltimore/Washington

What airlines fly to Baltimore?

Delta, Southwest and United Airlines are the top three most popular airlines that fly to Baltimore from Sioux City according to our data. Delta is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Baltimore. Keep in mind that there are 5 different airlines that fly to Baltimore on a routine basis, so you have a few additional options to choose from.

When to book flights from Sioux City to Baltimore

Are you open to changing your travel dates? Check out the ideal times to fly from Sioux City to Baltimore according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sioux City to Baltimore (SUX to BWI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux City to Baltimore

Fastest flight time

7h 17m

Direct flights

None
The fastest flight from Sioux City to Baltimore takes 7h 17m
There are no direct flights from Sioux City to Baltimore. There are no popular flight routes from Sioux City to Baltimore.
  • How far is Sioux City Sioux Gateway to Baltimore/Washington by plane?

    The distance between Sioux City Sioux Gateway and Baltimore/Washington is about 1053.7 mi. Flights usually cover this in 7h 17m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Sioux City Sioux Gateway Airport to Baltimore/Washington Airport?

    Prices for flights from Sioux City Sioux Gateway Airport to Baltimore/Washington Airport refresh daily.

  • How old do you have to be to fly from Sioux City Sioux Gateway Airport to Baltimore/Washington Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sioux City Sioux Gateway Airport to Baltimore/Washington Airport.

  • What documentation or ID do you need to fly to Baltimore/Washington Airport?

    The required travel and health documents for your Baltimore/Washington Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Baltimore/Washington Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Sioux City to Baltimore?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sioux City to Baltimore for you.

Can I find flights from Sioux City to Baltimore with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Sioux City to Baltimore flights to just show those with flexible booking policies.

How can momondo help me find flights from Sioux City to Baltimore?

momondo helps you find the best flight between Sioux City and Baltimore by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Sioux City to Baltimore right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Sioux City to Baltimore flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Thu 1/22
Thu 1/29

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