WAS - SUX

$312 Find Cheap Flights from Washington, D.C. to Sioux City - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$312
Typical prices: $389-$618
United Airlines
Tue 11/27Mon 12/3
DCA - SUX • 1 stop
Top routes
DCA - SUX
Cheapest • 14% average savings
IAD - SUX
Most popular
Insights
Insights
When to travel
February
Cheapest • 31% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Chicago O'Hare Intl (ORD)
Cheapest • Avg $505 (round-trip)
Denver Intl (DEN)
Shortest trip • 6h 43m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Washington, D.C. to Sioux City (WAS-SUX)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to Sioux City

Fri, Nov 27 - Thu, Dec 3
United Airlines Logo
11:49 am - 6:10 pmDCA  Washington, D.C. Reagan-National-SUX Sioux City Sioux Gateway
7h 21m1 stop Chicago O'Hare Intl
United Airlines Logo
5:00 am - 10:38 amSUX  Sioux City Sioux Gateway-DCA Washington, D.C. Reagan-National
4h 38m1 stop Chicago O'Hare Intl
$312United Airlines
Wed, Nov 11 - Sun, Nov 15
United Airlines Logo
1:06 pm - 6:10 pmDCA  Washington, D.C. Reagan-National-SUX Sioux City Sioux Gateway
6h 04m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 am - 12:04 pmSUX  Sioux City Sioux Gateway-DCA Washington, D.C. Reagan-National
5h 04m1 stop Chicago O'Hare Intl
$404United Airlines
Thu, Nov 12 - Sun, Nov 15
United Airlines Logo
2:08 pm - 6:10 pmDCA  Washington, D.C. Reagan-National-SUX Sioux City Sioux Gateway
5h 02m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 am - 12:04 pmSUX  Sioux City Sioux Gateway-DCA Washington, D.C. Reagan-National
5h 04m1 stop Chicago O'Hare Intl
$514United Airlines
Thu, Nov 12 - Sun, Nov 15
United Airlines Logo
1:06 pm - 6:10 pmDCA  Washington, D.C. Reagan-National-SUX Sioux City Sioux Gateway
6h 04m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 am - 12:04 pmSUX  Sioux City Sioux Gateway-DCA Washington, D.C. Reagan-National
5h 04m1 stop Chicago O'Hare Intl
$514United Airlines
Fri, Jan 8 - Tue, Jan 12
United Airlines Logo
1:01 pm - 6:11 pmDCA  Washington, D.C. Reagan-National-SUX Sioux City Sioux Gateway
6h 10m1 stop Chicago O'Hare Intl
United Airlines Logo
5:04 am - 2:05 pmSUX  Sioux City Sioux Gateway-DCA Washington, D.C. Reagan-National
8h 01m1 stop Chicago O'Hare Intl
$572United Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. to Sioux City flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Washington, D.C. to Sioux City?

Round-trip flights from Washington, D.C. to Sioux City typically range from $389 to $618. The lowest price found in the past 5 days was $312, on United Airlines.

What is the cheapest Washington, D.C. to Sioux City flight route?

Washington, D.C. Reagan-National Airport (DCA) to Sioux City (SUX) is the cheapest Washington, D.C. to Sioux City route, averaging $466 round-trip. Other Washington, D.C. to Sioux City routes average $618, based on KAYAK data over the past 12 months.

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Key details for Washington, D.C. to Sioux City flights

Cheapest flight

$312
The most popular month to fly with an average 28% increase in travelers.
Round-trip flight from Washington, D.C. Reagan-National Airport to Sioux City

When to book flights from Washington, D.C. to Sioux City

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Sioux City based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. to Sioux City flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Washington, D.C. to Sioux City?

    Only Economy Class is available on flights from Washington, D.C. to Sioux City.

  • How long is a flight from Washington, D.C. to Sioux City?

    There are currently no nonstop flights available from Washington, D.C. to Sioux City. Flights with 1 layover take between 5h 57m and 6h 43m in total, depending on the connection.

  • Do I need a passport to fly from Washington, D.C. to Sioux City?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Washington, D.C. to Sioux City flight?

    Round-trip flights from Washington, D.C. to Sioux City range from $389 to $618, with an average of $471 over the past 12 months. Anything below $389 counts as a good deal.

  • Have flight prices from Washington, D.C. to Sioux City changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $312 to $1,664. That means the highest observed fare was about 5x higher than the lowest one.

  • What car rental options are available at Sioux City Sioux Gateway Airport (SUX)?

    Sioux City Sioux Gateway Airport (SUX) hosts 5 major car rental companies, with daily rates averaging $80 for economy cars. Top options include:

    • Alamo
    • Enterprise Rent-A-Car
    • Hertz
    • Avis
    • National

  • Which airports can I use when flying from Washington, D.C. to Sioux City?

    Flights from Washington, D.C. to Sioux City may depart from several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD). Flights usually arrive at Sioux City Sioux Gateway (SUX).

  • Which airports do connecting flights from Washington, D.C. to Sioux City pass through?

    Connecting flights from Washington, D.C. to Sioux City most commonly pass through:

    • Chicago O'Hare Intl (ORD) - 96% of one-stop connections
    • Denver Intl (DEN) - 4% of one-stop connections

  • Can I save money by using flexible dates for flights from Washington, D.C. to Sioux City?

    Yes. Flexible dates can save you up to 77% on flights from Washington, D.C. to Sioux City. Saturday is the cheapest departure day at $323 round-trip on average, while Thursday is the most expensive at $1,394, a difference of $1,071.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport from Washington, D.C. to Sioux City?

    Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 5h 57m, compared with 6h 43m via Denver Intl (DEN).

  • What is the time difference between Washington, D.C. and Sioux City?

    Sioux City is 1 hour behind Washington, D.C. (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Washington, D.C. to Sioux City flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Thursday. On this route, Saturday flights average $323, about $1,071 less than Thursday fares (77% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Washington, D.C. to Sioux City trip for February. Fares historically average $323 round-trip in that month - typically $1,071 less than the most expensive month, which is March (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Sioux City Sioux Gateway Airport.

    • Sioux City Inn

More options for your flight from Washington, D.C. to Sioux City

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