
Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Sioux City (SUX). 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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $312 (United Airlines) |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Sioux City
DCA Washington, D.C. Reagan-National - SUX Sioux City Sioux Gateway
DCASUX
Washington, D.C. Reagan-National
Fri 11/27
11:49 am-6:10 pm
1 stop7h 21m
Sioux City Sioux Gateway
Thu 12/3
5:00 am-10:38 am
1 stop4h 38m
Washington, D.C.Sioux City
DCA Washington, D.C. Reagan-National - SUX Sioux City Sioux Gateway
DCASUX
Washington, D.C. Reagan-National
Thu 11/12
2:08 pm-6:10 pm
1 stop5h 02m
Sioux City Sioux Gateway
Sun 11/15
6:00 am-12:04 pm
1 stop5h 04m
Washington, D.C.Sioux City
DCA Washington, D.C. Reagan-National - SUX Sioux City Sioux Gateway
DCASUX
Washington, D.C. Reagan-National
Fri 1/8
1:01 pm-6:11 pm
1 stop6h 10m
Sioux City Sioux Gateway
Tue 1/12
5:04 am-2:05 pm
1 stop8h 01m
Washington, D.C.Sioux City
DCA Washington, D.C. Reagan-National - SUX Sioux City Sioux Gateway
DCASUX
Washington, D.C. Reagan-National
Sat 11/14
4:09 pm-11:43 pm
1 stop8h 34m
Sioux City Sioux Gateway
Wed 11/18
6:00 am-2:12 pm
1 stop7h 12m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
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