SUX - DCA

$324 Find Cheap Flights from Sioux City to Reagan Washington National Airport

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sioux City to Reagan-National departing on 1/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Reagan-National Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sioux City to Washington, D.C., as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sioux City to Washington, D.C., as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$324
United Airlines
Sat 1/24Wed 1/28
SUX - DCA • 1 stop
Cheapest one-way
Multiple Airlines
Tue 11/25
SUX - DCA • multi-stop
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Reagan-National!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Sioux City to Reagan-National (SUX-DCA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Sioux City to Reagan-National that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Sioux City to Reagan-National

Sat, Jan 24 - Wed, Jan 28
United Airlines Logo
12:45 pm - 7:13 pmSUX-DCA
5h 28m1 stop
United Airlines Logo
1:00 pm - 5:28 pmDCA-SUX
5h 28m1 stop
$324United Airlines
Find Deal
Sat, Jan 24 - Wed, Jan 28
United Airlines Logo
12:45 pm - 9:00 pmSUX-DCA
7h 15m1 stop
United Airlines Logo
6:30 am - 11:47 pmDCA-SUX
18h 17m3 stops
$442United Airlines
Find Deal
Sat, Jan 24 - Wed, Jan 28
United Airlines Logo
6:43 pm - 8:32 amSUX-DCA
12h 49m2 stops
United Airlines Logo
10:30 am - 5:28 pmDCA-SUX
7h 58m1 stop
$513United Airlines
Find Deal
Thu, Apr 2 - Sun, Apr 5
United Airlines Logo
12:45 pm - 6:52 pmSUX-DCA
5h 07m1 stop
United Airlines Logo
11:30 am - 5:32 pmDCA-SUX
7h 02m1 stop
$564United Airlines
Find Deal
Thu, Apr 2 - Sun, Apr 5
United Airlines Logo
12:45 pm - 6:52 pmSUX-DCA
5h 07m1 stop
United Airlines Logo
6:00 am - 5:32 pmDCA-SUX
12h 32m2 stops
$728United Airlines
Find Deal
Booking Insights

Good to know

Cheapest flight$324
Flight from Sioux City to Reagan Washington National Airport

When to book flights from Sioux City to Reagan-National

Are your dates flexible? Find out the best times to travel from Sioux City to Reagan-National based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Sioux City to Reagan Washington National Airport flights

  • What is the cheapest flight from Sioux City to Washington, D.C. Reagan-National Airport?

    In the last 3 days, the lowest price for a flight from Sioux City to Washington, D.C. Reagan-National Airport was $324 for a round-trip ticket.

  • Do I need a passport to fly between Sioux City and Reagan Washington National Airport?

    No, a passport isn't needed to fly from Sioux City to Reagan Washington National Airport. However, local authorities might ask for an official ID.

  • Which aircraft models fly most regularly from Sioux City to Reagan Washington National Airport?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Sioux City to Reagan Washington National Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sioux City to Reagan Washington National Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sioux City to Reagan Washington National Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Reagan Washington National Airport from Sioux City is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Sioux City to Reagan Washington National Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Reagan Washington National Airport with an airline and back to Sioux City with another airline. Booking your flights between Sioux City and DCA can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sioux City to Reagan Washington National Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Reagan Washington National Airport from Sioux City up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Sioux City to Reagan-National

Information on your arrival and departure airports

Sioux City (SUX)
Reagan-National (DCA)