How does KAYAK find such low prices on flights from Sioux City to Washington?

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 Washington. Visit our flight page for the latest deals!>/a>

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Sioux City to Washington is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Sioux City to Washington?

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 from Sioux City to Washington with an airline and back with another airline. Visit our flight page for the latest deals!>/a>

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

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 from Sioux City to Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

What is the cheapest time of day to fly to Washington?

The cheapest time of day to fly to Washington is generally at night , when round-trip flights cost $516 on average. The most expensive time of day to fly to Washington is generally in the morning, which is peak travel time and where the average cost of a ticket is $564.

How long does a flight from Sioux City to Washington take?

The duration of a flight to Washington depends on your arrival airport. The shortest routes to Washington from Sioux City are to Seattle , which takes 6h 06m , and Spokane , which takes 19h 55m.

$453 CHEAP FLIGHTS from Sioux City to Washington

KAYAK searches hundreds of travel sites at once for deals on flights to Washington

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 20% 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.

Flights Deals

Seattle1 stop$453

Spokane2 stops$507

Seattle1 stop$453

Spokane2 stops$507

Cheap Flights from Sioux City to Washington

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Sioux City to Washington 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.

Round-trip

Last minute

Recent round-trip flight deals from Sioux City to Washington

Thu, Jul 31 - Thu, Aug 7

6:53 pm - 10:59 pmSUX-SEA

6h 06m1 stop

11:45 pm - 10:40 pmSEA-SUX

20h 55m1 stop

$453United Airlines

Find Deal

Wed, Jul 23 - Mon, Jul 28

6:53 pm - 10:59 pmSUX-SEA

6h 06m1 stop

10:05 pm - 10:40 pmSEA-SUX

22h 35m2 stops

$463United Airlines

Find Deal

Wed, Jul 23 - Mon, Jul 28

6:53 pm - 10:59 pmSUX-SEA

6h 06m1 stop

8:57 am - 6:18 pmSEA-SUX

7h 21m1 stop

$484United Airlines

Find Deal

Thu, Jul 31 - Thu, Aug 7

6:53 pm - 10:59 pmSUX-SEA

6h 06m1 stop

11:58 pm - 10:40 pmSEA-SUX

20h 42m2 stops

$497United Airlines

Find Deal

Wed, Dec 10 - Sat, Dec 13

6:50 pm - 11:51 amSUX-GEG

19h 01m2 stops

7:00 am - 6:14 pmGEG-SUX

9h 14m2 stops

$507United Airlines

Find Deal

Wed, Dec 10 - Sat, Dec 13

7:45 am - 3:13 pmSUX-GEG

9h 28m2 stops

4:05 pm - 6:14 pmGEG-SUX

24h 09m1 stop

$509United Airlines

Find Deal

Wed, Dec 10 - Sat, Dec 13

7:45 am - 3:13 pmSUX-GEG

9h 28m2 stops

7:00 am - 6:14 pmGEG-SUX

9h 14m2 stops

$514United Airlines

Find Deal

Wed, Dec 10 - Sat, Dec 13

6:50 pm - 12:45 pmSUX-GEG

19h 55m1 stop

1:47 pm - 6:14 pmGEG-SUX

26h 27m1 stop

$527United Airlines

Find Deal

Wed, Dec 10 - Sat, Dec 13

6:50 pm - 9:02 pmSUX-GEG

28h 12m1 stop

7:00 am - 6:14 pmGEG-SUX

9h 14m2 stops

$540United Airlines

Find Deal

Wed, Dec 10 - Sat, Dec 13

6:50 pm - 11:51 amSUX-GEG

19h 01m2 stops

4:05 pm - 6:14 pmGEG-SUX

24h 09m1 stop

$547United Airlines

Find Deal

Useful Info

KAYAK's insights & trends for Sioux City to Washington flights

Get data-powered insights and trends into flights from Sioux City to Washington to help you find the cheapest flights, the best time to fly and much more.

Prices

For Sioux City to Washington, Tuesday is the cheapest day to fly on average and Thursday is the most expensive. Flying from Washington back to Sioux City, the best deals are generally found on Thursday, with Wednesday being the most expensive.

Find deals

Cheapest flight	$453

Flight from Sioux City to Seattle

How does KAYAK find such low prices on flights from Sioux City to Washington?
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 Washington.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sioux City to Washington?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Sioux City to Washington 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 Washington?
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 from Sioux City to Washington with an airline and back with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sioux City to Washington?
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 from Sioux City to Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.
What is the cheapest time of day to fly to Washington?
The cheapest time of day to fly to Washington is generally at night, when round-trip flights cost $516 on average. The most expensive time of day to fly to Washington is generally in the morning, which is peak travel time and where the average cost of a ticket is $564.

Everything you need to know for your flight from Sioux City to Washington

Airports

Cabin class

Complete your trip

Flights to other cities

Origins

Popular routes

Return flight deals

Information on your arrival and departure airports

Sioux City (SUX)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

$453 Find Cheap Flights from Sioux City to Washington

KAYAK searches hundreds of travel sites at once for deals on flights to Washington

Best Washington Flight Deals from Sioux City

Cheap Flights from Sioux City to Washington

Recent round-trip flight deals from Sioux City to Washington

Recent last minute flight deals from Sioux City to Washington

KAYAK's insights & trends for Sioux City to Washington flights

Get data-powered insights and trends into flights from Sioux City to Washington to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Sioux City to Washington?

For Sioux City to Washington, Tuesday is the cheapest day to fly on average and Thursday is the most expensive. Flying from Washington back to Sioux City, the best deals are generally found on Thursday, with Wednesday being the most expensive.

How long does a flight from Sioux City to Washington take?

The duration of a flight to Washington depends on your arrival airport. The shortest routes to Washington from Sioux City are to Seattle, which takes 6h 06m, and Spokane, which takes 19h 55m.

Good to know

FAQs - booking Washington flights

How does KAYAK find such low prices on flights from Sioux City to Washington?

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 Washington.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Sioux City to Washington 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 Washington?

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 from Sioux City to Washington with an airline and back with another airline.

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

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 from Sioux City to Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

What is the cheapest time of day to fly to Washington?

The cheapest time of day to fly to Washington is generally at night, when round-trip flights cost $516 on average. The most expensive time of day to fly to Washington is generally in the morning, which is peak travel time and where the average cost of a ticket is $564.

Everything you need to know for your flight from Sioux City to Washington

Information on your arrival and departure airports

Cabin class types available on flights to Washington

Complete your trip to Washington with a hotel stay or car rental

Flights to other popular destinations

Flights from other airports in Sioux City to Washington

Flights from Sioux City to popular cities in Washington

Find deals for your return flight