What airlines fly to Washington, D.C. Reagan-National Airport?

Delta, Southwest and American Airlines are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport 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 Washington, D.C. Reagan-National Airport. Keep in mind that there are 5 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Sioux City Sioux Gateway Airport to Washington, D.C. Reagan-National Airport?

Prices for flights from Sioux City Sioux Gateway Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Sioux City Sioux Gateway Airport to Washington, D.C. Reagan-National Airport?

As of July 2025, there is 1 operator available to choose from for flights from Sioux City Sioux Gateway Airport to Washington, D.C. Reagan-National Airport.

How old do you have to be to fly from Sioux City Sioux Gateway Airport to Washington, D.C. Reagan-National 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 Washington, D.C. Reagan-National Airport.

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

The travel and health documents you'll need for your trip to Washington, D.C. Reagan-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$274 Cheap Flights from Sioux City to Washington, D.C. Reagan-National Airport in 2025

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

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One-way

Last minute

Cheap round-trip flights

7:49 am - 2:16 pmSUX-DCA

5h 27m1 stop

7:00 pm - 10:57 pmDCA-SUX

4h 57m1 stop

$369United Airlines

Find Deal

Thu, Sep 4 - Fri, Sep 12

7:49 am - 2:22 pmSUX-DCA

29h 33m2 stops

7:00 pm - 10:57 pmDCA-SUX

4h 57m1 stop

$402United Airlines

Find Deal

Thu, Sep 4 - Fri, Sep 12

10:10 am - 8:57 amSUX-DCA

21h 47m1 stop

5:00 pm - 10:40 pmDCA-SUX

6h 40m1 stop

$428United Airlines

Find Deal

Sat, Aug 2 - Sat, Aug 9

10:10 am - 6:02 pmSUX-DCA

6h 52m1 stop

6:00 pm - 10:40 pmDCA-SUX

5h 40m1 stop

$449United Airlines

Find Deal

Thu, Jul 31 - Wed, Aug 6

10:10 am - 8:57 amSUX-DCA

21h 47m1 stop

5:00 pm - 10:40 pmDCA-SUX

6h 40m1 stop

$473United Airlines

Find Deal

Sat, Aug 2 - Fri, Aug 8

10:10 am - 5:01 pmSUX-DCA

5h 51m1 stop

6:00 pm - 10:40 pmDCA-SUX

5h 40m1 stop

$495United Airlines

Find Deal

Thu, Jul 31 - Fri, Aug 8

6:53 pm - 8:22 amSUX-DCA

12h 29m2 stops

5:00 pm - 10:40 pmDCA-SUX

6h 40m1 stop

$547United Airlines

Find Deal

Sat, Aug 2 - Fri, Aug 8

10:10 am - 3:48 pmSUX-DCA

4h 38m1 stop

5:00 pm - 10:40 pmDCA-SUX

6h 40m1 stop

$549United Airlines

Find Deal

Sun, Aug 3 - Sat, Aug 9

10:10 am - 5:01 pmSUX-DCA

5h 51m1 stop

5:00 pm - 10:40 pmDCA-SUX

6h 40m1 stop

$575United Airlines

Find Deal

Thu, Jul 31 - Thu, Aug 7

10:10 am - 3:48 pmSUX-DCA

4h 38m1 stop

6:00 pm - 10:40 pmDCA-SUX

5h 40m1 stop

$613United Airlines

Find Deal

Sun, Aug 3 - Wed, Aug 6

United Airlines flights from Sioux City to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Sioux City to Washington, D.C. Reagan-National Airport flight tickets

United Airlines

Sep 4

SUX7:49 amSioux City Sioux Gateway

5h 27m

1 stop

DCA2:16 pmWashington, D.C. Reagan-National

Sep 12

DCA7:00 pmWashington, D.C. Reagan-National

4h 57m

1 stop

SUX10:57 pmSioux City Sioux Gateway

$369

Find similar

United Airlines

Sep 4

SUX7:49 amSioux City Sioux Gateway

29h 33m

2 stops

DCA2:22 pmWashington, D.C. Reagan-National

Sep 12

DCA7:00 pmWashington, D.C. Reagan-National

4h 57m

1 stop

SUX10:57 pmSioux City Sioux Gateway

$402

Find similar

United Airlines

Aug 2

SUX10:10 amSioux City Sioux Gateway

21h 47m

1 stop

DCA8:57 amWashington, D.C. Reagan-National

Aug 9

DCA5:00 pmWashington, D.C. Reagan-National

6h 40m

1 stop

SUX10:40 pmSioux City Sioux Gateway

$428

Find similar

How to get the cheapest flight ticket from Sioux City to Washington, D.C. Reagan-National Airport

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

Prices

Airlines

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Sioux City to Washington, D.C. Reagan-National Airport is on a Wednesday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Wednesday will often find tickets for as low as $446. Flights from Sioux City to Washington, D.C. Reagan-National Airport on a Saturday will generally be more expensive and average around $471. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

When to book flights from Sioux City to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Sioux City to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Sioux City to Washington, D.C. Reagan-National Airport (SUX to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux City to Washington, D.C. Reagan-National Airport

Best Price Found	$369
Fastest flight time	4h 38m
Direct flights	None

The best flight deal from Sioux City to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $369

The fastest flight from Sioux City to Washington, D.C. Reagan-National Airport takes 4h 38m

There are no direct flights from Sioux City to Washington, D.C. Reagan-National Airport. Popular non-direct route for this connection is Sioux City Sioux Gateway Airport - Washington, D.C. Reagan-National Airport.

Search flight deals

How far is Sioux City Sioux Gateway to Washington, D.C. Reagan-National by plane?
The straight-line distance from Sioux City Sioux Gateway to Washington, D.C. Reagan-National is 1042.2 mi. 4h 38m is a normal flight duration for this route.
When did momondo last update prices for flights from Sioux City Sioux Gateway Airport to Washington, D.C. Reagan-National Airport?
Prices for flights from Sioux City Sioux Gateway Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Sioux City Sioux Gateway Airport to Washington, D.C. Reagan-National Airport?
As of July 2025, there is 1 operator available to choose from for flights from Sioux City Sioux Gateway Airport to Washington, D.C. Reagan-National Airport.
How old do you have to be to fly from Sioux City Sioux Gateway Airport to Washington, D.C. Reagan-National 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 Washington, D.C. Reagan-National Airport.
What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?
The travel and health documents you'll need for your trip to Washington, D.C. Reagan-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Sioux City to Washington, D.C. Reagan-National Airport?
momondo data reveals that the most frequently booked airline on the route from Sioux City to Washington, D.C. Reagan-National Airport is United Airlines, representing 100% of all bookings.

Best airlines flying from Sioux City to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Sioux City to Washington, D.C. Reagan-National Airport with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $269	Free Cancellation	Rating 7.4 8,849 reviews		Search United Airlines flights

Alexandria

Gettysburg

Arlington

National Harbor

Laurel

Woodbridge

Tysons

Silver Spring

Waldorf

Fredericksburg

Manassas

Gaithersburg

Rockville

Towson

Fairfax

Colonial Beach

Glen Burnie

Linthicum Heights

Reston

Springfield

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Why should I use momondo to find a flight deal from Sioux City to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Sioux City.

Can I find flights from Sioux City to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Sioux City which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Sioux City to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Sioux City.

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

Yes momondo offers price alerts on flights to Washington, D.C. from Sioux City. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Sioux City to Washington, D.C. from $369

This is the cheapest round-trip 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 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Sioux City to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Sioux City to Washington, D.C. Reagan-National Airport flight tickets

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Sioux City to Washington, D.C. Reagan-National Airport

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 day to depart on your flight to Washington, D.C. Reagan-National Airport?

What airlines fly to Washington, D.C. Reagan-National Airport?

When to book flights from Sioux City to Washington, D.C. Reagan-National Airport

Cheap Sioux City to Washington, D.C. Reagan-National Airport (SUX to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux City to Washington, D.C. Reagan-National Airport

Best Price Found

Fastest flight time

Direct flights

How far is Sioux City Sioux Gateway to Washington, D.C. Reagan-National by plane?

When did momondo last update prices for flights from Sioux City Sioux Gateway Airport to Washington, D.C. Reagan-National Airport?

How many operators does momondo search for flights from Sioux City Sioux Gateway Airport to Washington, D.C. Reagan-National Airport?

How old do you have to be to fly from Sioux City Sioux Gateway Airport to Washington, D.C. Reagan-National Airport?

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

What is the most popular airline from Sioux City to Washington, D.C. Reagan-National Airport?

Best airlines flying from Sioux City to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Sioux City to Washington, D.C. Reagan-National Airport with momondo

Traveling to a place near Washington, D.C.?

Why use momondo?

Why should I use momondo to find a flight deal from Sioux City to Washington, D.C.?

Can I find flights from Sioux City to Washington, D.C. with flexible booking policies on momondo?

How can momondo help me find flights from Sioux City to Washington, D.C.?

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

An easier way to manage your Washington, D.C. Reagan-National Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo