Cheap flights from Washington, D.C. to Sioux City from $444
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Sioux City departing on 5/24. 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 Washington, D.C. to Sioux City
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How to get the cheapest flight ticket from Washington, D.C. to Sioux City
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 Sioux City?
On average, the least expensive day to fly to Sioux City from Washington, D.C. is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $354. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $659.
What is the cheapest time of day to depart on your flight to Sioux City?
The cheapest time of day to fly to Sioux City is in the evening when flights can be purchased for as low as $421. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $743 on average. Flights to Sioux City from Washington, D.C. in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest airline that flies from Washington, D.C. to Sioux City Sioux Gateway?
United Airlines is the most popular carrier operating from Washington, D.C. to Sioux City Sioux Gateway
What airlines fly to Sioux City?
Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Sioux City from Washington, D.C. according to our data. Delta is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Sioux City. Keep in mind that there are 5 different airlines that fly to Sioux City on a routine basis, so you have a few additional options to choose from.
When to book flights from Washington, D.C. to Sioux City
Cheap Washington, D.C. to Sioux City (WAS to SUX) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Sioux City
How far is Washington, D.C. to Sioux City Sioux Gateway by plane?
A flight from Washington, D.C. to Sioux City Sioux Gateway will travel around 1041.1 mi. In terms of flight time, this usually takes a little over 5h 00m.
When did momondo last update prices for flights from Washington, D.C. to Sioux City Sioux Gateway Airport?
Prices for flights from Washington, D.C. to Sioux City Sioux Gateway Airport are updated daily.
How many operators does momondo search for flights from Washington, D.C. to Sioux City Sioux Gateway Airport?
The number of operators available for flights from Washington, D.C. to Sioux City Sioux Gateway Airport is 1 as of May 2025.
How old do you have to be to fly from Washington, D.C. to Sioux City Sioux Gateway Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Sioux City Sioux Gateway Airport.
What documentation or ID do you need to fly to Sioux City Sioux Gateway Airport?
The required travel and health documents for your Sioux City Sioux Gateway Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sioux City Sioux Gateway Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Washington, D.C. to Sioux City?
Based on momondo bookings for flights between Washington, D.C. and Sioux City, the leading airline is United Airlines, making up 100% of the total bookings.
Best airlines flying from Washington, D.C. to Sioux City
Compare and see reviews for airlines that fly from Washington, D.C. to Sioux City with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $367 | Free Cancellation | Rating 7.4 8,723 reviews |
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Why should I use momondo to find a flight deal from Washington, D.C. to Sioux City?
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 Sioux City from Washington, D.C..
Can I find flights from Washington, D.C. to Sioux City with flexible booking policies on momondo?
All flight searches from Washington, D.C. to Sioux City on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Washington, D.C. to Sioux City?
momondo provides multiple filters to help you find the best flight to Sioux City from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Washington, D.C. to Sioux City right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Washington, D.C. to Sioux City now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sioux City and let you know when they change.