FSD - IAD

$142 Find Cheap Flights from Sioux Falls to Washington Dulles Airport - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sioux Falls to Dulles Intl departing on 9/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$329
Typical prices: $405-$850
United Airlines
Tue 10/27Sun 11/8
FSD - IAD • 1 stop
Cheapest one-way
$142
Multiple Airlines
Mon 9/14
FSD - IAD • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Sioux Falls and Dulles Intl. You'll need at least 1 connection.
Insights
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Top layover airports
Chicago (ORD)
Cheapest • Avg $420 (round-trip)
Atlanta (ATL)
Shortest trip • 5h 17m (one-way)
Insights
Insights
Insights
Insights
When to travel
February
Cheapest • 100% price drop
August
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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We hope you love your trip to Dulles Intl!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Sioux Falls to Dulles Intl (FSD-IAD)

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

Recent round-trip flight deals from Sioux Falls to Dulles Intl

Tue, Oct 27 - Sun, Nov 8
United Airlines Logo
7:48 am - 1:35 pm
FSD
-
IAD
4h 47m
1 stop
United Airlines Logo
3:35 pm - 9:37 pm
IAD
-
FSD
7h 02m
1 stop
$329United Airlines
Sun, Aug 30 - Sun, Sep 6
United Airlines Logo
6:39 pm - 12:44 am
FSD
-
IAD
5h 05m
1 stop
United Airlines Logo
1:10 pm - 5:58 pm
IAD
-
FSD
5h 48m
1 stop
$329United Airlines
Wed, Sep 23 - Sun, Sep 27
American Airlines Logo
12:56 pm - 8:24 pm
FSD
-
IAD
6h 28m
1 stop
American Airlines Logo
6:52 am - 12:16 pm
IAD
-
FSD
6h 24m
1 stop
$329American Airlines
Wed, Oct 28 - Mon, Nov 2
American Airlines Logo
6:03 am - 2:18 pm
FSD
-
IAD
7h 15m
1 stop
American Airlines Logo
2:42 pm - 8:54 pm
IAD
-
FSD
7h 12m
1 stop
$329American Airlines
Fri, Aug 28 - Mon, Aug 31
American Airlines Logo
12:57 pm - 10:55 pm
FSD
-
IAD
8h 58m
2 stops
American Airlines Logo
2:53 pm - 8:31 pm
IAD
-
FSD
6h 38m
1 stop
$334American Airlines
Thu, Nov 12 - Tue, Nov 17
United Airlines Logo
7:48 am - 1:35 pm
FSD
-
IAD
4h 47m
1 stop
United Airlines Logo
5:29 pm - 9:37 pm
IAD
-
FSD
5h 08m
1 stop
$349United Airlines
Fri, Aug 28 - Mon, Aug 31
United Airlines Logo
6:39 pm - 12:44 am
FSD
-
IAD
5h 05m
1 stop
United Airlines Logo
5:15 pm - 11:22 pm
IAD
-
FSD
7h 07m
1 stop
$349United Airlines
Sat, Aug 15 - Tue, Aug 18
Delta Logo
4:28 pm - 11:21 pm
FSD
-
IAD
5h 53m
1 stop
Delta Logo
6:49 pm - 10:51 pm
IAD
-
FSD
5h 02m
1 stop
$379Delta
Fri, Oct 16 - Mon, Oct 19
Delta Logo
5:10 am - 11:21 am
FSD
-
IAD
5h 11m
1 stop
Delta Logo
3:03 pm - 7:55 pm
IAD
-
FSD
5h 52m
1 stop
$404Delta
Thu, Sep 3 - Sun, Sep 6
Delta Logo
4:28 pm - 11:21 pm
FSD
-
IAD
5h 53m
1 stop
Delta Logo
6:00 am - 12:38 pm
IAD
-
FSD
7h 38m
1 stop
$428Delta
Booking Insights

KAYAK's insights & trends for Sioux Falls to Dulles Intl flights

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

How much is a round-trip flight from Sioux Falls to Washington, D.C. Dulles Intl Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Sioux Falls to Washington, D.C. Dulles Intl Airport departing in August.

Flight prices are below average for this route right now.

Flights to Washington, D.C. Dulles Intl Airport from Sioux Falls usually cost between $360 and $556 in August.
The lowest price found in the past 5 days was $329 on United Airlines (Aug 30-Sep 6).

What is the cheapest month to fly from Sioux Falls to Washington, D.C. Dulles Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Sioux Falls to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Sioux Falls to Washington, D.C. Dulles Intl Airport is February, where tickets cost $0 (return) on average. On the other hand, the most expensive months are November and April, where the average cost of round-trip tickets is $868 and $606 respectively.

Find deals

Good to know

Low season

June

Cheapest flight

$142
Best time to beat the crowds with an average 36% drop in price.
Most popular time to fly and prices are also 21% lower on average.
Flight from Sioux Falls to Washington Dulles Airport

When to book flights from Sioux Falls to Dulles Intl

Are your dates flexible? Find out the best times to travel from Sioux Falls to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Sioux Falls to Washington Dulles Airport flights

  • What is the cheapest flight from Sioux Falls to Washington, D.C. Dulles Intl Airport?

    In the last 5 days, the lowest price for a flight from Sioux Falls to Washington, D.C. Dulles Intl Airport was $142 for a one-way ticket and $329 for a round-trip.

  • Do I need a passport to fly between Sioux Falls and Washington Dulles Airport?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airports will I be using when flying from Sioux Falls to Washington Dulles Airport?

    On your way to Washington Dulles Airport, you’ll fly out from Sioux Falls Joe Foss Field. You’ll be landing at Washington, D.C. Dulles Intl.

  • Which aircraft models fly most regularly from Sioux Falls to Washington Dulles Airport?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Sioux Falls to Washington Dulles Airport?

    SkyTeam, and Star Alliance are the airline alliances operating flights between Sioux Falls and Washington Dulles Airport, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Sioux Falls to Washington, D.C., Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Sioux Falls to Washington, D.C. are Delta and United Airlines. With an average price for the route of $454 and an overall rating of 7.8, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $408 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Sioux Falls to Washington Dulles Airport?

    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 Falls to Washington Dulles Airport.

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

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

    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 to Washington Dulles Airport with an airline and back to Sioux Falls with another airline. Booking your flights between Sioux Falls and IAD can sometimes prove cheaper using this method.

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

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

Everything you need to know for your flight from Sioux Falls to Dulles Intl

Information on your arrival and departure airports

Sioux Falls (FSD)
Dulles Intl (IAD)