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Cheap flights from Sioux Falls to Washington, D.C. from $145

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux Falls to Washington, D.C. departing on 2/20. 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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0 bags

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Find the cheapest flights from Sioux Falls to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:26 pm - 10:53 pm
FSD
-
IAD
8h 27m
1 stop
American Airlines Logo
6:00 am - 12:42 pm
IAD
-
FSD
7h 42m
1 stop
$279American Airlines
Wed, Mar 4 - Sat, Mar 7
United Airlines Logo
7:39 am - 2:14 pm
FSD
-
DCA
5h 35m
1 stop
United Airlines Logo
5:00 pm - 9:49 pm
DCA
-
FSD
5h 49m
1 stop
$279United Airlines
Sat, Apr 11 - Wed, Apr 15
Delta Logo
5:10 am - 11:55 am
FSD
-
IAD
5h 45m
1 stop
Delta Logo
5:15 pm - 11:02 pm
IAD
-
FSD
6h 47m
2 stops
$284Delta
Sat, Apr 11 - Wed, Apr 15
Delta Logo
4:25 pm - 11:34 pm
FSD
-
DCA
6h 09m
1 stop
Delta Logo
6:00 am - 12:58 pm
DCA
-
FSD
7h 58m
2 stops
$284Delta
Sat, Apr 11 - Wed, Apr 15
United Airlines Logo
7:43 am - 3:32 pm
FSD
-
DCA
6h 49m
1 stop
United Airlines Logo
3:30 pm - 9:49 pm
DCA
-
FSD
7h 19m
1 stop
$294United Airlines
Fri, Mar 27 - Mon, Mar 30
Delta Logo
4:19 pm - 11:55 pm
FSD
-
IAD
6h 36m
1 stop
Delta Logo
7:00 am - 12:15 pm
IAD
-
FSD
6h 15m
1 stop
$299Delta
Fri, Feb 20 - Mon, Feb 23
Delta Logo
4:19 pm - 11:28 pm
FSD
-
DCA
6h 09m
1 stop
Delta Logo
6:59 pm - 10:55 pm
DCA
-
FSD
4h 56m
1 stop
$299Delta
Fri, Feb 20 - Mon, Feb 23
Delta Logo
4:19 pm - 11:55 pm
FSD
-
IAD
6h 36m
1 stop
Delta Logo
5:13 pm - 10:55 pm
IAD
-
FSD
6h 42m
2 stops
$304Delta
Fri, Feb 20 - Mon, Feb 23
Frontier Logo
8:55 pm - 1:02 pm
FSD
-
DCA
15h 07m
1 stop
Frontier Logo
6:00 pm - 8:00 pm
DCA
-
FSD
27h 00m
1 stop
$307Frontier
Fri, Mar 6 - Sun, Mar 8
American Airlines Logo
1:26 pm - 10:53 pm
FSD
-
IAD
8h 27m
1 stop
American Airlines Logo
6:00 am - 12:42 pm
IAD
-
FSD
7h 42m
1 stop
$319American Airlines
Wed, Mar 4 - Sat, Mar 7

Delta flights from Sioux Falls to Washington, D.C.

Our best Delta deals on Sioux Falls to Washington, D.C. flight tickets
Delta
Apr 11
FSD4:25 pmSioux Falls Joe Foss Field
6h 09m
1 stop
DCA11:34 pmWashington, D.C. Reagan-National
Apr 15
DCA6:30 amWashington, D.C. Reagan-National
4h 38m
1 stop
FSD10:08 amSioux Falls Joe Foss Field
$279
Delta
Apr 11
FSD5:10 amSioux Falls Joe Foss Field
5h 45m
1 stop
IAD11:55 amWashington, D.C. Dulles Intl
Apr 15
IAD5:15 pmWashington, D.C. Dulles Intl
6h 47m
2 stops
FSD11:02 pmSioux Falls Joe Foss Field
$284
Delta
Feb 20
FSD4:19 pmSioux Falls Joe Foss Field
6h 36m
1 stop
IAD11:55 pmWashington, D.C. Dulles Intl
Feb 23
IAD7:00 amWashington, D.C. Dulles Intl
6h 15m
1 stop
FSD12:15 pmSioux Falls Joe Foss Field
$299

United Airlines flights from Sioux Falls to Washington, D.C.

Our best United Airlines deals on Sioux Falls to Washington, D.C. flight tickets
United Airlines
Mar 27
FSD7:43 amSioux Falls Joe Foss Field
6h 49m
1 stop
DCA3:32 pmWashington, D.C. Reagan-National
Mar 30
DCA3:30 pmWashington, D.C. Reagan-National
7h 19m
1 stop
FSD9:49 pmSioux Falls Joe Foss Field
$294
United Airlines
Feb 3
FSD11:22 amSioux Falls Joe Foss Field
6h 51m
1 stop
DCA7:13 pmWashington, D.C. Reagan-National
Feb 7
DCA6:30 amWashington, D.C. Reagan-National
5h 17m
1 stop
FSD10:47 amSioux Falls Joe Foss Field
$309
United Airlines
Mar 27
FSD7:43 amSioux Falls Joe Foss Field
6h 49m
1 stop
DCA3:32 pmWashington, D.C. Reagan-National
Apr 1
DCA6:30 amWashington, D.C. Reagan-National
5h 12m
1 stop
FSD10:42 amSioux Falls Joe Foss Field
$318

momondo Fare Finder

 
Customize your flight search to find flights from Sioux Falls to Washington, D.C. 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, momondo users made 832,500 searches. Data last updated January 21, 2026.
Use the filters below to find and compare flights from Sioux Falls to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Wed 3/4

1:26 pm-10:53 pm

1 stop8h 27m

Washington, D.C. Dulles Intl

Sat 3/7

6:00 am-12:42 pm

1 stop7h 42m

$279

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Sat 4/11

7:39 am-2:14 pm

1 stop5h 35m

Washington, D.C. Reagan-National

Wed 4/15

5:00 pm-9:49 pm

1 stop5h 49m

$279

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Sat 4/11

5:10 am-11:55 am

1 stop5h 45m

Washington, D.C. Dulles Intl

Wed 4/15

5:15 pm-11:02 pm

2 stops6h 47m

$284

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Sat 4/11

4:25 pm-11:34 pm

1 stop6h 09m

Washington, D.C. Reagan-National

Wed 4/15

6:00 am-12:58 pm

2 stops7h 58m

$284

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Fri 3/27

7:43 am-3:32 pm

1 stop6h 49m

Washington, D.C. Reagan-National

Mon 3/30

3:30 pm-9:49 pm

1 stop7h 19m

$294

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Fri 2/20

4:19 pm-11:55 pm

1 stop6h 36m

Washington, D.C. Dulles Intl

Mon 2/23

7:00 am-12:15 pm

1 stop6h 15m

$299

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Fri 2/20

4:19 pm-11:28 pm

1 stop6h 09m

Washington, D.C. Reagan-National

Mon 2/23

6:59 pm-10:55 pm

1 stop4h 56m

$299

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Fri 2/20

4:19 pm-11:55 pm

1 stop6h 36m

Washington, D.C. Dulles Intl

Mon 2/23

5:13 pm-10:55 pm

2 stops6h 42m

$304

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Fri 3/6

8:55 pm-1:02 pm

1 stop15h 07m

Washington, D.C. Reagan-National

Sun 3/8

6:00 pm-8:00 pm

1 stop27h 00m

$307

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Wed 3/4

1:26 pm-10:53 pm

1 stop8h 27m

Washington, D.C. Dulles Intl

Sat 3/7

6:00 am-12:42 pm

1 stop7h 42m

$319

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Sioux Falls to Washington, D.C.

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 typical price of a round-trip flight between Sioux Falls and Washington, D.C.?

What is the cheapest month to fly to Washington, D.C.?

The month of January is, on average, the cheapest month to fly to Washington, D.C. from Sioux Falls, with most prices found around $291. If you’re not able to fly to Washington, D.C. in January, then April is your next best option. Flight prices from Sioux Falls to Washington, D.C. during April average around $309.

When to book flights from Sioux Falls to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Sioux Falls to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sioux Falls to Washington, D.C. (FSD to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux Falls to Washington, D.C.

Fastest flight time

4h 15m

Direct flights

None
The fastest flight from Sioux Falls to Washington, D.C. takes 4h 15m
There are no direct flights from Sioux Falls to Washington, D.C.. There are no popular flight routes from Sioux Falls to Washington, D.C..
Search flight deals

  • How far is Sioux Falls Joe Foss Field to Washington, D.C. by plane?

    The straight-line distance from Sioux Falls Joe Foss Field to Washington, D.C. is 1068.8 mi. A reasonable flight in good conditions will take 4h 15m.

  • When did momondo last update prices for flights from Sioux Falls Joe Foss Field Airport to Washington, D.C.?

    Prices for flights from Sioux Falls Joe Foss Field Airport to Washington, D.C. were last updated today.

  • How many operators does momondo search for flights from Sioux Falls Joe Foss Field Airport to Washington, D.C.?

  • How old do you have to be to fly from Sioux Falls Joe Foss Field Airport to Washington, D.C.?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sioux Falls Joe Foss Field Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Sioux Falls to Washington, D.C.?

Best airlines flying from Sioux Falls to Washington, D.C.

Compare and see reviews for airlines that fly from Sioux Falls to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $189Free CancellationRating
7.9
8,088 reviews
Search Delta flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
9,191 reviews
Search United Airlines flights
American AirlinesPriceFrom $258Free CancellationRating
7.2
11,174 reviews
Search American Airlines flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Rockville
Gaithersburg
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
Glen Burnie

Why use momondo?

Why should I use momondo to find a flight deal from Sioux Falls to Washington, D.C.?

It is quick and easy to find Sioux Falls to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from Sioux Falls to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Sioux Falls which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Sioux Falls to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Sioux Falls.

I’m not ready to book a flight from Sioux Falls to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from Sioux Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Washington, D.C. trip

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport