$412+ Cheap flights from Sioux City (SUX) to Washington
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. 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 with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Sioux City to Washington
Keep the following information in mind while searching for Sioux City to Washington flight deals. Data was last updated March 26, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $412 (United Airlines) |
Find flight deals from Sioux City to Washington
Cheapest flights from Sioux City to WashingtonExplore the most affordable flight options available from Sioux City to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.
Explore the most affordable flight options available from Sioux City to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.
This United Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Sioux City to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 26, 2025.
Use the filters below to find and compare flights from Sioux City to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Sioux CitySeattle
SUX - SEA
SUXSEA
Sioux City Sioux Gateway
Wed 4/9
3:15 pm-9:02 pm
1 stop7h 47m
Seattle/Tacoma Intl
Sun 4/13
5:14 am-2:40 pm
1 stop7h 26m
Sioux CitySpokane
SUX - GEG
SUXGEG
Sioux City Sioux Gateway
Wed 4/9
10:03 am-8:50 pm
2 stops12h 47m
Spokane
Sun 4/13
4:08 pm-10:26 pm
2 stops28h 18m
Sioux CityPortland
SUX - PDX
SUXPDX
Sioux City Sioux Gateway
Thu 5/8
10:10 am-10:53 pm
2 stops14h 43m
Portland
Thu 5/15
4:20 pm-10:30 pm
2 stops28h 10m
Best time to book a flight from Sioux City to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Sioux City with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Sioux City to Washington
What is the cheapest month to book a flight from Sioux City to State of Washington?
Currently, January is the cheapest month in which you can book a flight from Sioux City to State of Washington (average of $238). Flying from Sioux City to State of Washington in July is currently the most expensive (average of $411). 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.
What is the cheapest time of day to fly from SUX to WA?
Find hourly flight availability from Sioux City to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 26, 2025.
When flying from Sioux City to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in Washington by month
Plan your trip to Washington by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.
Temperature in Washington by month
Plan your trip to Washington by taking into account the average temperature totals by month.
If weather is an important factor for your trip to State of Washington, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated March 26, 2025.
Boarding
Comfort
Overall
Food
Entertainment
Crew
Reviews
Deb,Jan 2025
MKE - ORD
Boarding
Comfort
Overall
Food
Entertainment
Crew
Reviews
Deb,Jan 2025
MKE - ORD