What is the cheapest day to fly from Sioux City to Washington, D.C.?

Travelers seeking maximum savings on their Sioux City to Washington, D.C. flight should consider departing on Monday at noon when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular routes from Sioux City to Washington, D.C.?

The most popular route from Sioux City to Washington, D.C. is Sioux City Sioux Gateway - Washington, D.C. Reagan-National. You may also consider Sioux City Sioux Gateway - Washington, D.C. Dulles Intl or Sioux City Sioux Gateway - Baltimore/Washington.

What is the cheapest day to fly round-trip from Sioux City to Washington, D.C.?

Monday flights are found to be more expensive to fly from Sioux City to Washington, D.C.. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C..

What is the cheapest time of day to fly from SUX to WAS?

One of the essential ways to save on airfare from Sioux City to Washington, D.C. is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 21% on airfare.

Most accurate provider : When it comes to deals on Sioux City-Washington, D.C. flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sioux City-Washington, D.C. flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Sioux City-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Sioux City-Washington, D.C. flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sioux City-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Sioux City to Washington, D.C.?

If you book a flight to Washington, D.C. from Sioux City, you will be flying from Sioux Gateway, which is the city’s only airport. Sioux City Sioux Gateway (SUX) is located 7.0 mi from the center of Sioux City. There are 0 flights from Sioux Gateway to Washington, D.C. per day from 1 airline.

Can I find deals for flights from Sioux City to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Sioux City to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Sioux City to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux City to Washington, D.C..

Can I find deals for business class flights from Sioux City to Washington, D.C.?

Yes. Cheapflights offers flight deals from Sioux City to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$269+ Flights from Sioux City to Washington, D.C.

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Cheap flight deals from Sioux City to Washington, D.C.

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$290 (United Airlines)
One-way from	$269 (United Airlines)

Provider with most accurate pricing for Sioux City Sioux Gateway-Washington, D.C. (WAS) flight deals.

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Provider most trusted by Cheapflights users for Sioux City Sioux Gateway-Washington, D.C. (WAS) flights.

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From Sioux City Sioux Gateway to Washington, D.C. (WAS)

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One-way flight from Sioux City Sioux Gateway to Washington, D.C. (WAS)

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Find flight deals from Sioux City to Washington, D.C.

Cheapest flights from Sioux City to Washington, D.C.
Explore the most affordable flight options available from Sioux City to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Thu 5/1510:10 amSUX - DCA

1 stop4h 31mUnited Airlines

Mon 5/195:00 pmDCA - SUX

1 stop6h 30mUnited Airlines

Deal found 4/30

$290

Thu 5/1510:10 amSUX - BWI

1 stop6h 04mUnited Airlines

Mon 5/196:45 amBWI - SUX

2 stops8h 43mUnited Airlines

Deal found 4/30

$318

Thu 5/1510:10 amSUX - IAD

1 stop9h 47mUnited Airlines

Mon 5/195:10 pmIAD - SUX

1 stop6h 20mUnited Airlines

Deal found 4/30

$594

Best flights from Sioux City to Washington, D.C.
Discover carefully curated flight deals from Sioux City to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Thu 5/1510:10 amSUX - DCA

1 stop4h 31mUnited Airlines

Mon 5/195:00 pmDCA - SUX

1 stop6h 30mUnited Airlines

Deal found 4/30

$290

Thu 5/1510:10 amSUX - BWI

1 stop6h 04mUnited Airlines

Mon 5/196:45 amBWI - SUX

2 stops8h 43mUnited Airlines

Deal found 4/30

$318

Thu 5/1510:10 amSUX - IAD

1 stop9h 47mUnited Airlines

Mon 5/195:10 pmIAD - SUX

1 stop6h 20mUnited Airlines

Deal found 4/30

$594

Last-minute flights from Sioux City to Washington, D.C.
Discover last-minute flight deals from Sioux City to Washington, D.C.. Data last updated May 1, 2025 and is based on user searches.

Thu 5/1510:10 amSUX - DCA

1 stop4h 31mUnited Airlines

Mon 5/195:00 pmDCA - SUX

1 stop6h 30mUnited Airlines

Deal found 4/30

$290

Thu 5/1510:10 amSUX - BWI

1 stop6h 04mUnited Airlines

Mon 5/196:45 amBWI - SUX

2 stops8h 43mUnited Airlines

Deal found 4/30

$318

Thu 5/1510:10 amSUX - IAD

1 stop9h 47mUnited Airlines

Mon 5/195:10 pmIAD - SUX

1 stop6h 20mUnited Airlines

Deal found 4/30

$594

One-way flights from Sioux City to Washington, D.C.
Search for one-way flight options from Sioux City to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Wed 8/610:10 amSUX - IAD

1 stop6h 20mUnited Airlines

Deal found 5/1

$269

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux City to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Thu 5/15

10:10 am-3:41 pm

1 stop4h 31m

Washington, D.C. Reagan-National

Mon 5/19

5:00 pm-10:30 pm

1 stop6h 30m

$290

Sioux CityBaltimore

SUX - BWI

SUXBWI

Sioux City Sioux Gateway

Thu 5/15

10:10 am-5:14 pm

1 stop6h 04m

Baltimore/Washington

Mon 5/19

6:45 am-2:28 pm

2 stops8h 43m

$318

Sioux CityWashington, D.C.

SUX - IAD

SUXIAD

Sioux City Sioux Gateway

Thu 5/15

10:10 am-8:57 pm

1 stop9h 47m

Washington, D.C. Dulles Intl

Mon 5/19

5:10 pm-10:30 pm

1 stop6h 20m

$594

Sioux CityWashington, D.C.

SUX - IAD

SUXIAD

Sioux City Sioux Gateway

Wed 8/6

10:10 am-5:30 pm

1 stop6h 20m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Most accurate provider: When it comes to deals on Sioux City-Washington, D.C. flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sioux City-Washington, D.C. flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Sioux City-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Sioux City-Washington, D.C. flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sioux City-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sioux City to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Sioux City with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sioux City to Washington, D.C.

What is the cheapest month to book a flight from Sioux City to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Sioux City to Washington, D.C. (average of $309). Flying from Sioux City to Washington, D.C. in June is currently the most expensive (average of $373). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

United Airlines

7.4

Good

8,696 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines

7.4

Good

8,696 reviews

United Airlines

7.4

Good

8,696 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

What airport do you fly from for flights from Sioux City to Washington, D.C.?
If you book a flight to Washington, D.C. from Sioux City, you will be flying from Sioux Gateway, which is the city’s only airport. Sioux City Sioux Gateway (SUX) is located 7.0 mi from the center of Sioux City. There are 0 flights from Sioux Gateway to Washington, D.C. per day from 1 airline.
What are the most popular routes from Sioux City to Washington, D.C.?
The most popular route from Sioux City to Washington, D.C. is Sioux City Sioux Gateway - Washington, D.C. Reagan-National. You may also consider Sioux City Sioux Gateway - Washington, D.C. Dulles Intl or Sioux City Sioux Gateway - Baltimore/Washington.
Can I find deals for flights from Sioux City to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Sioux City to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sioux City to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux City to Washington, D.C..
Can I find deals for business class flights from Sioux City to Washington, D.C.?
Yes. Cheapflights offers flight deals from Sioux City to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Sioux City to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Sioux City to Washington, D.C. (average of $309). Flying from Sioux City to Washington, D.C. in June is currently the most expensive (average of $373). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Fairfax

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Silver Spring

Gaithersburg

Linthicum Heights

Falls Church

Laurel

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Bowie

National Harbor

Oxon Hill

Reston

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Sioux City to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$269	Average$463	FlexibilityNo cancel fee	On-time69%

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$269+ Cheap flights from Sioux City (SUX) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sioux City to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Sioux City to Washington, D.C.

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Round-trip from

One-way from

Find flight deals from Sioux City to Washington, D.C.

Cheapest flights from Sioux City to Washington, D.C.Explore the most affordable flight options available from Sioux City to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Explore the most affordable flight options available from Sioux City to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux City to Washington, D.C. that are best for you.

Best time to book a flight from Sioux City to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Sioux City with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Sioux City to Washington, D.C.

What is the cheapest month to book a flight from Sioux City to Washington, D.C.?

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

Related info for your journey

Find useful and relevant information for your journey from Sioux City to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Sioux City to Washington, D.C.?

What are the most popular routes from Sioux City to Washington, D.C.?

Can I find deals for flights from Sioux City to Washington, D.C. that include hotel bookings?

How can I find direct flights from Sioux City to Washington, D.C.?

Can I find deals for business class flights from Sioux City to Washington, D.C.?

What is the cheapest month to book a flight from Sioux City to Washington, D.C.?

Traveling to a place near Sioux City?

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Alternative routes for Sioux City to Washington, D.C.

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Top airline flying from Sioux City to Washington, D.C.

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Cheapest flights from Sioux City to Washington, D.C.
Explore the most affordable flight options available from Sioux City to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.