What are the cheapest airlines to fly from South Dakota to Washington, D.C. one-way?

$189 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $197 and $213, respectively.

What are the most popular routes from South Dakota to Washington, D.C.?

While some choose either Sioux Falls Joe Foss Field - Baltimore/Washington or Sioux Falls Joe Foss Field - Washington, D.C. Reagan-National, Sioux Falls Joe Foss Field - Washington, D.C. Dulles Intl is the most popular route from South Dakota to Washington, D.C..

What are the most popular airlines that fly from South Dakota to Washington, D.C.?

The most popular airlines flying from South Dakota to Washington, D.C. are American Airlines, Delta and United Airlines. Something to consider prior to booking your flight.

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

Our data shows that November tends to be the cheapest month to fly to Washington, D.C. from South Dakota. Users have commonly found prices around $389 for the month, but tickets can be as low as $246. Due to multiple factors, prepare for potentially higher prices in February.

Can I find deals for flights from South Dakota to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on South Dakota to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from South Dakota to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to Washington, D.C..

Can I find deals for business class flights from South Dakota to Washington, D.C.?

Yes. Cheapflights offers flight deals from South Dakota to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$189+ Flights from South Dakota to Washington, D.C.

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from South Dakota to Washington, D.C. 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 South Dakota to Washington, D.C.

Round-trip from	$259 (United Airlines)
One-way from	$189 (Booking.com)
Popular in	February
Cheapest in	November
Average price	$414

From South Dakota to Washington, D.C. (WAS)

Search Deals

One-way flight from South Dakota to Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 28% potential increase in price ($153 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($27 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Find flight deals from South Dakota to Washington, D.C.

Cheapest flights from South Dakota to Washington, D.C.
Explore the most affordable flight options available from South Dakota to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Tue 7/226:26 pmFSD - IAD

1 stop5h 04mUnited Airlines

Mon 7/285:13 pmIAD - FSD

1 stop5h 47mUnited Airlines

Deal found 6/10

$259

Fri 7/256:49 pmFSD - BWI

1 stop9h 21mUnited Airlines

Tue 7/295:20 pmBWI - FSD

1 stop5h 40mUnited Airlines

Deal found 6/10

$259

Fri 8/152:30 pmFSD - DCA

1 stop6h 30mDelta

Sat 8/166:10 amDCA - FSD

1 stop7h 05mDelta

Deal found 6/11

$259

Tue 7/86:00 amFSD - BWI

2 stops9h 41mDelta

Wed 7/236:00 amBWI - FSD

1 stop7h 21mDelta

Deal found 6/12

$264

Thu 8/141:43 pmRAP - BWI

1 stop5h 59mUnited Airlines

Sat 8/164:20 pmBWI - RAP

1 stop7h 40mUnited Airlines

Deal found 6/10

$269

Thu 8/141:43 pmRAP - DCA

1 stop6h 59mUnited Airlines

Sat 8/166:25 amDCA - RAP

1 stop5h 55mUnited Airlines

Deal found 6/10

$269

Tue 7/224:30 pmRAP - IAD

1 stop4h 55mDelta

Tue 7/296:39 pmIAD - RAP

1 stop5h 52mDelta

Deal found 6/12

$269

Thu 9/2512:17 pmFSD - BWI

1 stop4h 33mAmerican Airlines

Sun 9/286:30 amBWI - FSD

1 stop7h 09mAmerican Airlines

Deal found 6/12

$274

Fri 7/45:55 pmFSD - IAD

1 stop4h 24mDelta

Fri 7/115:20 pmIAD - FSD

1 stop6h 43mDelta

Deal found 6/11

$279

Tue 7/226:50 amRAP - DCA

2 stops10h 06mDelta

Tue 7/293:40 pmDCA - RAP

2 stops8h 51mDelta

Deal found 6/11

$279

Fri 7/259:39 pmFSD - BWI

2 stops31h 26mMultiple Airlines

Tue 7/296:30 amBWI - FSD

2 stops31h 22mMultiple Airlines

Deal found 6/10

$302

Thu 8/2111:08 amRAP - BWI

1 stop7h 44mAmerican Airlines

Sat 9/131:35 pmBWI - RAP

1 stop9h 18mAmerican Airlines

Deal found 6/10

$310

Best flights from South Dakota to Washington, D.C.
Discover carefully curated flight deals from South Dakota to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Tue 7/226:26 pmFSD - IAD

1 stop5h 04mUnited Airlines

Sat 7/263:39 pmIAD - FSD

1 stop7h 21mUnited Airlines

Deal found 6/9

$259

Fri 8/152:30 pmFSD - DCA

1 stop6h 30mDelta

Sat 8/166:10 amDCA - FSD

1 stop7h 05mDelta

Deal found 6/11

$259

Thu 9/2512:17 pmFSD - BWI

1 stop4h 33mAmerican Airlines

Sun 9/286:30 amBWI - FSD

1 stop7h 09mAmerican Airlines

Deal found 6/12

$274

Fri 7/259:39 pmFSD - BWI

2 stops31h 26mMultiple Airlines

Tue 7/296:30 amBWI - FSD

2 stops31h 22mMultiple Airlines

Deal found 6/10

$302

Thu 8/142:57 pmFSD - DCA

1 stop6h 00mFrontier

Sun 8/177:00 amDCA - FSD

1 stop8h 02mFrontier

Deal found 6/11

$324

Fri 6/278:03 pmFSD - IAD

1 stop23h 49mAllegiant Air

Mon 6/303:13 pmIAD - FSD

2 stops19h 00mAllegiant Air

Deal found 6/12

$367

Fri 7/256:49 pmFSD - BWI

1 stop9h 21mUnited Airlines

Tue 7/295:20 pmBWI - FSD

1 stop5h 40mUnited Airlines

Deal found 6/10

$259

Tue 7/86:00 amFSD - BWI

2 stops9h 41mDelta

Wed 7/236:00 amBWI - FSD

1 stop7h 21mDelta

Deal found 6/12

$264

Thu 8/141:43 pmRAP - BWI

1 stop5h 59mUnited Airlines

Sat 8/164:20 pmBWI - RAP

1 stop7h 40mUnited Airlines

Deal found 6/10

$269

Tue 7/224:30 pmRAP - IAD

1 stop4h 55mDelta

Tue 7/296:39 pmIAD - RAP

1 stop5h 52mDelta

Deal found 6/12

$269

Thu 8/2111:08 amRAP - BWI

1 stop7h 44mAmerican Airlines

Sat 9/131:35 pmBWI - RAP

1 stop9h 18mAmerican Airlines

Deal found 6/10

$310

Thu 8/141:43 pmRAP - DCA

1 stop6h 59mUnited Airlines

Sat 8/166:25 amDCA - RAP

1 stop5h 55mUnited Airlines

Deal found 6/10

$269

Last-minute flights from South Dakota to Washington, D.C.
Discover last-minute flight deals from South Dakota to Washington, D.C.. Data last updated June 12, 2025 and is based on user searches.

Wed 6/188:00 amFSD - DCA

1 stop5h 13mUnited Airlines

Mon 6/233:30 pmDCA - FSD

1 stop7h 22mUnited Airlines

Deal found 6/11

$369

Wed 6/185:56 pmFSD - DCA

1 stop4h 50mAmerican Airlines

Tue 7/13:59 pmDCA - FSD

1 stop7h 40mAmerican Airlines

Deal found 6/11

$374

Wed 6/185:15 amFSD - IAD

1 stop5h 39mDelta

Tue 7/15:29 pmIAD - FSD

1 stop6h 41mDelta

Deal found 6/11

$424

Wed 6/185:15 amFSD - DCA

2 stops8h 45mDelta

Tue 7/13:59 pmDCA - FSD

1 stop8h 11mDelta

Deal found 6/11

$429

Wed 6/186:20 amFSD - IAD

2 stops9h 51mAmerican Airlines

Tue 7/16:27 amIAD - FSD

1 stop7h 07mAmerican Airlines

Deal found 6/12

$452

Wed 6/186:00 amFSD - BWI

1 stop8h 16mUnited Airlines

Mon 6/234:22 pmBWI - FSD

1 stop8h 22mUnited Airlines

Deal found 6/11

$472

Wed 6/181:44 pmFSD - BWI

1 stop14h 59mMultiple Airlines

Mon 6/237:00 amBWI - FSD

2 stops13h 13mMultiple Airlines

Deal found 6/11

$589

Wed 6/1810:17 amFSD - IAD

3 stops28h 58mMultiple Airlines

Mon 6/233:13 pmIAD - FSD

2 stops19h 00mMultiple Airlines

Deal found 6/11

$622

Fri 6/201:09 pmFSD - BWI

2 stops10h 06mAmerican Airlines

Mon 6/305:24 pmBWI - FSD

1 stop7h 34mAmerican Airlines

Deal found 6/11

$517

Fri 6/206:35 pmFSD - IAD

1 stop4h 55mUnited Airlines

Sat 6/286:30 amIAD - FSD

1 stop7h 50mUnited Airlines

Deal found 6/11

$532

Sun 6/222:57 pmFSD - DCA

1 stop20h 03mFrontier

Sun 6/296:00 pmDCA - FSD

1 stop25h 32mFrontier

Deal found 6/11

$497

Sun 6/222:57 pmFSD - BWI

1 stop24h 28mFrontier

Sat 6/285:20 pmBWI - FSD

1 stop21h 42mFrontier

Deal found 6/11

$520

One-way flights from South Dakota to Washington, D.C.
Search for one-way flight options from South Dakota to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Sun 7/132:57 pmFSD - BWI

1 stop24h 34mFrontier

Deal found 6/9

$189

Sun 7/132:57 pmFSD - DCA

1 stop20h 07mFrontier

Deal found 6/9

$194

Sat 8/166:00 amFSD - IAD

2 stops12h 49mAmerican Airlines

Deal found 6/10

$197

Tue 9/212:50 pmRAP - DCA

1 stop5h 26mAmerican Airlines

Deal found 6/11

$206

Sat 8/3011:35 amRAP - IAD

1 stop6h 07mAmerican Airlines

Deal found 6/11

$208

Sat 8/3010:55 amRAP - IAD

2 stops10h 00mDelta

Deal found 6/11

$213

Tue 9/212:19 pmRAP - BWI

2 stops8h 38mAmerican Airlines

Deal found 6/11

$226

Wed 6/185:15 amFSD - BWI

1 stop6h 14mDelta

Deal found 6/12

$228

Wed 10/15:25 amFSD - DCA

1 stop8h 14mDelta

Deal found 6/11

$231

Thu 6/262:57 pmFSD - IAD

2 stops18h 12mFrontier

Deal found 6/12

$235

Sun 7/136:38 pmFSD - BWI

3 stops27h 56mMultiple Airlines

Deal found 6/9

$235

Tue 9/210:00 amRAP - BWI

1 stop7h 12mUnited Airlines

Deal found 6/11

$246

Cheapflights Fare Finder

Use the filters below to find and compare flights from South Dakota 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

Tue 7/22

6:26 pm-12:30 am

1 stop5h 04m

Washington, D.C. Dulles Intl

Mon 7/28

5:13 pm-10:00 pm

1 stop5h 47m

$259

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Fri 8/15

2:30 pm-10:00 pm

1 stop6h 30m

Washington, D.C. Reagan-National

Sat 8/16

6:10 am-12:15 pm

1 stop7h 05m

$259

Sioux FallsBaltimore

FSD - BWI

FSDBWI

Sioux Falls Joe Foss Field

Fri 7/25

6:49 pm-5:10 am

1 stop9h 21m

Baltimore/Washington

Tue 7/29

5:20 pm-10:00 pm

1 stop5h 40m

$259

Sioux FallsBaltimore

FSD - BWI

FSDBWI

Sioux Falls Joe Foss Field

Tue 7/8

6:00 am-4:41 pm

2 stops9h 41m

Baltimore/Washington

Wed 7/23

6:00 am-12:21 pm

1 stop7h 21m

$264

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Thu 8/14

1:43 pm-9:42 pm

1 stop5h 59m

Baltimore/Washington

Sat 8/16

4:20 pm-10:00 pm

1 stop7h 40m

$269

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Tue 7/22

4:30 pm-11:25 pm

1 stop4h 55m

Washington, D.C. Dulles Intl

Tue 7/29

6:39 pm-10:31 pm

1 stop5h 52m

$269

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Thu 8/14

1:43 pm-10:42 pm

1 stop6h 59m

Washington, D.C. Reagan-National

Sat 8/16

6:25 am-10:20 am

1 stop5h 55m

$269

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Fri 7/4

5:55 pm-11:19 pm

1 stop4h 24m

Washington, D.C. Dulles Intl

Fri 7/11

5:20 pm-11:03 pm

1 stop6h 43m

$279

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Tue 7/22

6:50 am-6:56 pm

2 stops10h 06m

Washington, D.C. Reagan-National

Tue 7/29

3:40 pm-10:31 pm

2 stops8h 51m

$279

Sioux FallsBaltimore

FSD - BWI

FSDBWI

Sioux Falls Joe Foss Field

Fri 7/25

9:39 pm-6:05 am

2 stops31h 26m

Baltimore/Washington

Tue 7/29

6:30 am-12:52 pm

2 stops31h 22m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 50 results

...

Best time to book a flight from South Dakota to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from South Dakota with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from South Dakota to Washington, D.C.

What is the cheapest month to book a flight from South Dakota to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from South Dakota to Washington, D.C. (average of $241). Flying from South Dakota to Washington, D.C. in March is currently the most expensive (average of $290). 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 SD to WAS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Dakota to Washington, D.C. as you normally would.

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

To help decide which airline to fly from South Dakota to Washington, D.C., see what other customers have to say about Delta, United Airlines and Allegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,946 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Allegiant Air

7.3

Good

725 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Frontier

6.0

Okay

3,295 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines to fly from South Dakota to Washington, D.C. one-way?
$189 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $197 and $213, respectively.
What are the most popular routes from South Dakota to Washington, D.C.?
While some choose either Sioux Falls Joe Foss Field - Baltimore/Washington or Sioux Falls Joe Foss Field - Washington, D.C. Reagan-National, Sioux Falls Joe Foss Field - Washington, D.C. Dulles Intl is the most popular route from South Dakota to Washington, D.C..
Can I find deals for flights from South Dakota to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on South Dakota to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from South Dakota to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to Washington, D.C..
Can I find deals for business class flights from South Dakota to Washington, D.C.?
Yes. Cheapflights offers flight deals from South Dakota to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from South Dakota to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from South Dakota to Washington, D.C. (average of $241). Flying from South Dakota to Washington, D.C. in March is currently the most expensive (average of $290). 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.

See more FAQs

Arlington

Alexandria

Woodbridge

Tysons

Silver Spring

Linthicum Heights

Fredericksburg

Gaithersburg

Fairfax

Falls Church

Easton

Herndon

Towson

Bowie

Rockville

Reston

National Harbor

Springfield

Manassas

Dundalk

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from South Dakota to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$182	Average$391	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$208	Average$359	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$245	Average$535	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$189+ Cheap flights from South Dakota to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from South Dakota to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from South Dakota to Washington, D.C.

Keep the following information in mind while searching for South Dakota to Washington, D.C. flight deals. Data was last updated June 12, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from South Dakota to Washington, D.C.

Cheapest flights from South Dakota to Washington, D.C.Explore the most affordable flight options available from South Dakota to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from South Dakota to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from South Dakota to Washington, D.C. that are best for you.

Best time to book a flight from South Dakota to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from South Dakota with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from South Dakota to Washington, D.C.

What is the cheapest month to book a flight from South Dakota to Washington, D.C.?

What is the cheapest time of day to fly from SD to WAS?

Find hourly flight availability from South Dakota to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

To help decide which airline to fly from South Dakota to Washington, D.C., see what other customers have to say about Delta, United Airlines and Allegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from South Dakota to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from South Dakota to Washington, D.C. one-way?

What are the most popular routes from South Dakota to Washington, D.C.?

Can I find deals for flights from South Dakota to Washington, D.C. that include hotel bookings?

How can I find direct flights from South Dakota to Washington, D.C.?

Can I find deals for business class flights from South Dakota to Washington, D.C.?

What is the cheapest month to book a flight from South Dakota to Washington, D.C.?

Traveling to a place near South Dakota?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for South Dakota to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from South Dakota to Washington, D.C.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from South Dakota to Washington, D.C.
Explore the most affordable flight options available from South Dakota to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.