$328 Cheap Flights from Williston (XWA) to Washington (DCA)

View $328 flight on Tue, Jul 21, 2026Opens in a new window

Popular airlines from Williston, ND (XWA-Basin Intl.) to Ronald Reagan Washington National Airport (DCA)

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Cheap Flights from Williston to Washington (XWA-DCA)

Prices were available within the past 7 days and start at $328 for one-way flights and $407 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Sep 19 - Wed, Sep 23
XWA
Williston
DCA
Washington
$407 Roundtrip, found 6 days ago
$407
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Sep 19 from Williston to Washington, returning Wed, Sep 23, priced at $407 found 6 days ago
Delta
Sat, Sep 19 - Wed, Sep 23
XWA
Williston
DCA
Washington
$493 Roundtrip, found 6 days ago
$493
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Sep 19 from Williston to Washington, returning Wed, Sep 23, priced at $493 found 6 days ago
Delta
Sat, Sep 19 - Wed, Sep 23
XWA
Williston
DCA
Washington
$497 Roundtrip, found 6 days ago
$497
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Sep 19 from Williston to Washington, returning Wed, Sep 23, priced at $497 found 6 days ago
Delta
Fri, Jul 10 - Sun, Jul 12
XWA
Williston
DCA
Washington
$513 Roundtrip, found 1 day ago
$513
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Jul 10 from Williston to Washington, returning Sun, Jul 12, priced at $513 found 1 day ago
Delta
Fri, Jul 10 - Sun, Jul 12
XWA
Williston
DCA
Washington
$560 Roundtrip, found 1 day ago
$560
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Jul 10 from Williston to Washington, returning Sun, Jul 12, priced at $560 found 1 day ago
Delta
Sat, Sep 19 - Wed, Sep 23
XWA
Williston
DCA
Washington
$587 Roundtrip, found 6 days ago
$587
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Sep 19 from Williston to Washington, returning Wed, Sep 23, priced at $587 found 6 days ago
Delta
Sat, Sep 19 - Wed, Sep 23
XWA
Williston
DCA
Washington
$590 Roundtrip, found 6 days ago
$590
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Sep 19 from Williston to Washington, returning Wed, Sep 23, priced at $590 found 6 days ago
Delta
Sat, Sep 19 - Wed, Sep 23
XWA
Williston
DCA
Washington
$595 Roundtrip, found 6 days ago
$595
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Sep 19 from Williston to Washington, returning Wed, Sep 23, priced at $595 found 6 days ago
Delta
Sat, Sep 19 - Wed, Sep 23
XWA
Williston
DCA
Washington
$597 Roundtrip, found 6 days ago
$597
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Sep 19 from Williston to Washington, returning Wed, Sep 23, priced at $597 found 6 days ago
United
Sat, Jun 6 - Fri, Jul 31
XWA
Williston
DCA
Washington
$972 Roundtrip, found 23 hours ago
$972
Roundtrip
found 23 hours ago
Select United flight, departing Sat, Jun 6 from Williston to Washington, returning Fri, Jul 31, priced at $972 found 23 hours ago

Frequently asked questions

How much does a flight from Williston, ND (XWA-Basin Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) cost?
You can find cheap one-way flights from $328 and cheap return flights from $407 Williston, ND (XWA-Basin Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) with Expedia. One-way flights generally range between $314 and $822, and roundtrip flights usually range from $618 to $2534. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Williston, ND (XWA-Basin Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Williston, ND (XWA-Basin Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The cheapest month to fly from XWA to DCA is September when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Williston, ND (XWA-Basin Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
Enter XWA to DCA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Williston, ND (XWA-Basin Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
Delta is one of the cheapest airlines offering connecting flights from Williston, ND (XWA) to Washington, DC (DCA), with round-trip tickets starting from around $257.97 with a layover in Minneapolis - St. Paul Intl. (MSP). This option allows you to travel affordably while enjoying a brief stop along the way. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Williston, ND (XWA-Basin Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
To find a cheap flight from Williston, ND (XWA-Basin Intl.) to Washington, DC (DCA-Ronald Reagan Washington National), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Williston, ND (XWA-Basin Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Williston, ND (XWA-Basin Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The earliest flight from Basin International (XWA) to Ronald Reagan Washington National (DCA) typically leaves at around 5:30 AM, operated by United. This seasonal service is available in June, making it a convenient option for early risers heading to Washington, DC. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Williston, ND (XWA-Basin Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The most popular departure times for flights from Basin Intl. (XWA) to Ronald Reagan Washington National (DCA) are in the early morning, from 6am to 9am. About 27% of passengers prefer this time window. Many major carriers, including United Airlines and Delta Air Lines, provide flights during this period. This timing works well because it allows you to arrive in Washington, DC, with a full day ahead of you.
How long does it take to fly from Williston, ND (XWA-Basin Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
Flights from XWA to DCA with one stop typically take around 7 hours, covering approximately 1,477 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Williston, ND (XWA-Basin Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
First class seats are offered on the XWA to DCA route with United Airlines.
How do I earn miles on a Williston, ND (XWA-Basin Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight with Expedia?
It's easy to earn miles on a Williston, ND (XWA-Basin Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Washington from Basin Intl. (XWA)?
When traveling from Basin Intl. (XWA) to Washington, you can fly into Washington Dulles Intl. (IAD) and Ronald Reagan Washington National (DCA). Some flights may connect through major hubs like Denver Intl. (DEN), Minneapolis - St. Paul Intl. (MSP) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Williston, ND (XWA-Basin Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) at the last minute?
Typically, booking a last minute flight from Williston, ND (XWA-Basin Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Williston, ND (XWA-Basin Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight and hotel package?
Securing a Williston, ND (XWA-Basin Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) Washington Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Williston, ND (XWA-Basin Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
If you booked your Williston, ND (XWA-Basin Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Basin Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
Delta, United
Roundtrip price
$407
Distance
1476 mi

Book with confidence

Williston to Washington Flights

The cheapest times to fly from Williston to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Williston to Washington are during the month of September. You can find some of the cheapest flights from Williston to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Williston to Washington

Sunday is one of the best days to book for cheap flights from Williston to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Williston to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Williston to Washington in 2026. You can also book with separate airlines for your outbound and return journeys, from $328 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Williston to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Williston to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Williston to Washington Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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